5.5.2

This reverts commit ce3203ebc7.

.gitignore

@@ -12,6 +12,7 @@ tests/compile_commands.json
 .vscode/
 
 build/
+debug-build/
 
 *.o
 gpu-screen-recorder

README.md

@@ -26,7 +26,7 @@ Supported image formats:
 * JPEG
 * PNG
 
-This software works on X11 and Wayland on AMD, Intel and NVIDIA. Replay data is stored in RAM, not disk.
+This software works on X11 and Wayland on AMD, Intel and NVIDIA. Replay data is stored in RAM by default but there is an option to store it on disk instead.
 ### TEMPORARY ISSUES
 1) Videos are in variable framerate format. Use MPV to play such videos, otherwise you might experience stuttering in the video if you are using a buggy video player. You can try saving the video into a .mkv file instead as some software may have better support for .mkv files (such as kdenlive). You can use the "-fm cfr" option to to use constant framerate mode.
 2) FLAC audio codec is disabled at the moment because of temporary issues.
@@ -39,7 +39,7 @@ For you as a user this only means that if you installed GPU Screen Recorder as a
 On a system with a i5 4690k CPU and a GTX 1080 GPU:\
 When recording Legend of Zelda Breath of the Wild at 4k, fps drops from 30 to 7 when using OBS Studio + nvenc, however when using this screen recorder the fps remains at 30.\
 When recording GTA V at 4k on highest settings, fps drops from 60 to 23 when using obs-nvfbc + nvenc, however when using this screen recorder the fps only drops to 58.\
-GPU Screen Recorder also produces much smoother videos than OBS when GPU utilization is close to 100%, see comparison here: [https://www.youtube.com/watch?v=zfj4sNVLLLg](https://www.youtube.com/watch?v=zfj4sNVLLLg).\
+GPU Screen Recorder also produces much smoother videos than OBS when GPU utilization is close to 100%, see comparison here: [https://www.youtube.com/watch?v=zfj4sNVLLLg](https://www.youtube.com/watch?v=zfj4sNVLLLg) and [https://www.youtube.com/watch?v=aK67RSZw2ZQ](https://www.youtube.com/watch?v=aK67RSZw2ZQ).\
 GPU Screen Recorder has much better performance than OBS Studio even with version 30.2 that does "zero-copy" recording and encoding, see: [https://www.youtube.com/watch?v=jdroRjibsDw](https://www.youtube.com/watch?v=jdroRjibsDw).\
 It is recommended to save the video to a SSD because of the large file size, which a slow HDD might not be fast enough to handle. Using variable framerate mode (-fm vfr) which is the default is also recommended as this reduces encoding load. Ultra quality is also overkill most of the time, very high (the default) or lower quality is usually enough.\
 Note that for best performance you should close other screen recorders such as OBS Studio when using GPU Screen Recorder even if they are not recording, since they can affect performance even when idle. This is the case with OBS Studio.
@@ -85,9 +85,7 @@ These are the dependencies needed to build GPU Screen Recorder:
 * libva (and libva-drm)
 * libdrm
 * libcap
-* wayland-client
-* wayland-egl
-* wayland-scanner
+* wayland (wayland-client, wayland-egl, wayland-scanner)
 
 ## Runtime dependencies
 There are also additional dependencies needed at runtime depending on your GPU vendor:
@@ -117,13 +115,15 @@ There is also a gui for the gpu screen recorder called [GPU Screen Recorder GTK]
 There is also a new alternative UI for GPU Screen Recorder in the style of ShadowPlay called [GPU Screen Recorder UI](https://git.dec05eba.com/gpu-screen-recorder-ui/).
 ## Recording
 Here is an example of how to record your monitor and the default audio output: `gpu-screen-recorder -w screen -f 60 -a default_output -o ~/Videos/test_video.mp4`.
-Yyou can stop and save the recording with `Ctrl+C` or by running `killall -SIGINT gpu-screen-recorder`.
+Yyou can stop and save the recording with `Ctrl+C` or by running `pkill -SIGINT -f gpu-screen-recorder`.
 You can see a list of capture options to record if you run `gpu-screen-recorder --list-capture-options`. This will list possible capture options and monitor names, for example:\
 ```
   window
   DP-1|1920x1080
 ```
-in this case you could record a window or a monitor with the name `DP-1`.
+in this case you could record a window or a monitor with the name `DP-1`.\
+To list available audio devices that you can use you can run `gpu-screen-recorder --list-audio-devices` and the name to use is on the left size of the `|`.\
+To list available audio application names that you can use you can run `gpu-screen-recorder --list-application-audio`.
 ## Streaming
 Streaming works the same as recording, but the `-o` argument should be path to the live streaming service you want to use (including your live streaming key). Take a look at `scripts/twitch-stream.sh` to see an example of how to stream to twitch.
 ## Replay mode
@@ -133,10 +133,15 @@ The file path to the saved replay is output to stdout. All other output from GPU
 You can also use the `-sc` option to specify a script that should be run (asynchronously) when the video has been saved and the script will have access to the location of the saved file as its first argument.
 This can be used for example to show a notification when a replay has been saved, to rename the video with a title that matches the game played (see `scripts/record-save-application-name.sh` as an example on how to do this on X11) or to re-encode the video.\
 The replay buffer is stored in ram (as encoded video), so don't use a too large replay time and/or video quality unless you have enough ram to store it.
+## Recording while using replay/streaming
+You can record a regular video while using replay/streaming by launching GPU Screen Recorder with the `-ro` option to specify a directory where to save the recording.\
+To start/stop (and save) recording use the SIGRTMIN signal, for example `pkill -SIGRTMIN -f gpu-screen-recorder`. The name of the video will be displayed in stdout when saving the video.\
+This way of recording while using replay/streaming is more efficient than running GPU Screen Recorder multiple times since this way it only records the screen and encodes the video once.
 ## Controlling GPU Screen Recorder remotely
-To save a video in replay mode, you need to send signal SIGUSR1 to gpu screen recorder. You can do this by running `killall -SIGUSR1 gpu-screen-recorder`.\
-To stop recording send SIGINT to gpu screen recorder. You can do this by running `killall -SIGINT gpu-screen-recorder` or pressing `Ctrl-C` in the terminal that runs gpu screen recorder. When recording a regular non-replay video this will also save the video.\
-To pause/unpause recording send SIGUSR2 to gpu screen recorder. You can do this by running `killall -SIGUSR2 gpu-screen-recorder`. This is only applicable and useful when recording (not streaming nor replay).\
+To save a video in replay mode, you need to send signal SIGUSR1 to gpu screen recorder. You can do this by running `pkill -SIGUSR1 -f gpu-screen-recorder`.\
+To stop recording send SIGINT to gpu screen recorder. You can do this by running `pkill -SIGINT -f gpu-screen-recorder` or pressing `Ctrl-C` in the terminal that runs gpu screen recorder. When recording a regular non-replay video this will also save the video.\
+To pause/unpause recording send SIGUSR2 to gpu screen recorder. You can do this by running `pkill -SIGUSR2 -f gpu-screen-recorder`. This is only applicable and useful when recording (not streaming nor replay).\
+There are more signals to control GPU Screen Recorder. Run `gpu-screen-recorder --help` to list them all (under `NOTES` section).
 ## Simple way to run replay without gui
 Run the script `scripts/start-replay.sh` to start replay and then `scripts/save-replay.sh` to save a replay and `scripts/stop-replay.sh` to stop the replay. The videos are saved to `$HOME/Videos`.
 You can use these scripts to start replay at system startup if you add `scripts/start-replay.sh` to startup (this can be done differently depending on your desktop environment / window manager) and then go into
@@ -187,4 +192,4 @@ To fix this you can either record the video in .mkv format or constant frame rat
 KDE Plasma version 6.2 broke HDR and ICC profiles for screen recorders. This was changed in KDE plasma version 6.3 and recording HDR works now, as long as you set HDR brightness to 100% (which means setting "Maximum SDR Brightness" in KDE plasma display settings to 203) and set color accuracy to "Prefer color accuracy". If you want to convert HDR to SDR then record with desktop portal option (`-w portal`) instead.
 I don't know how well recording HDR works in wayland compositors other than KDE plasma.
 ## GPU Screen Recorder starts lagging after 30-40 minutes when launching GPU Screen Recorder from steam command launcher
-This is a [steam issue](https://github.com/ValveSoftware/steam-for-linux/issues/11446). Prepend the gpu-screen-recorder command with `LD_PREFIX=""`, for example `LD_PREFIX="" gpu-screen-recorder -w screen -o video.mp4`.
+This is a [steam issue](https://github.com/ValveSoftware/steam-for-linux/issues/11446). Prepend the gpu-screen-recorder command with `LD_PREFIX=""`, for example `LD_PREFIX="" gpu-screen-recorder -w screen -o video.mp4`.

TODO

@@ -248,7 +248,8 @@ Support high quality scaling with -s by using lanczos.
 
 Support spanning multiple monitors with region capture. This would also allow the user to record multiple monitors at the same time, the same way screen-direct works on nvidia x11.
 
-When webcam support is added also support v4l2loopback? this is done by using avdevice_register_all(); and -c v4l2 -o /dev/video0; but it needs to output raw data as well instead of h264 and possibly yuv420p. Maybe add a -k yuv420p option to do that.
+When webcam support is added also support v4l2loopback? this is done by using avdevice_register_all(); and -c v4l2 -o /dev/video0; but it needs to output raw data as well instead of h264 and possibly yuv420p. Maybe add a -k yuv420p option to do that or -k rgb.
+    This would be implemented by outputting the raw data directly into the output file, without using the video encoder.
 
 Do proper exit, to call gsr_capture_destroy which will properly stop gsr-kms-server. Otherwise there can be zombie gsr-kms-server on error.
 
@@ -262,4 +263,23 @@ Add option to save replay buffer on disk instead of ram.
 
 nvfbc capture cursor with cursor.h instead and composite that on top. This allows us to also always get a cursor in direct capture mode. This could possible give better performance as well.
 
-Maybe remove external shader code and make a simple external to internal texture converter (compute shader), to reduce texture sampling. Maybe this is faster?
+Maybe remove external shader code and make a simple external to internal texture converter (compute shader), to reduce texture sampling. Maybe this is faster?
+
+Fix opengl context broken after suspend on nvidia by using this: https://registry.khronos.org/OpenGL/extensions/NV/NV_robustness_video_memory_purge.txt requires glx context creation flags and GetGraphicsResetStatusARB() == PURGED_CONTEXT_RESET_NV check to recreate all graphics.
+
+HDR looks incorrect, brightest point gets cut off.
+
+Make "screen" capture the preferred monitor.
+
+When webcam support is added add the option to add it as a second video track, to make it easier to edit in video editors.
+
+Fix constant framerate not working properly on amd/intel because capture framerate gets locked to the same framerate as
+    game framerate, which doesn't work well when you need to encode multiple duplicate frames (AMD/Intel is slow at encoding!).
+    It also appears to skip audio frames on nvidia wayland? why? that should be fine, but it causes video stuttering because of audio/video sync.
+
+Add option to pass a fd (from socketpair) to use for rpc. In the rpc have a common header, with protocol version, data type and data in an enum.
+
+Add the option to set audio track name, for example with -a "track-name:blabla|device:default_output|app:firefox"
+
+Maybe disable qp/vbr for replay. In that case we can preallocate all replay data (for both ram and disk) and write to that directly when receiving packet (dont do that when also recording at the same time).
+    That could improve performance/disk write optimization and maybe even reduce ram usage because of less blocks/fragmentation.

dbus/client/dbus_client.c

@@ -0,0 +1,265 @@
+#include "dbus_client.h"
+#include "../protocol.h"
+
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <poll.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+// TODO: Error checking for write/read
+
+static bool gsr_dbus_client_wait_for_startup(gsr_dbus_client *self) {
+    struct pollfd poll_fd = {
+        .fd = self->socket_pair[0],
+        .events = POLLIN,
+        .revents = 0
+    };
+    for(;;) {
+        int poll_res = poll(&poll_fd, 1, 100);
+        if(poll_res > 0 && (poll_fd.revents & POLLIN)) {
+            char msg;
+            read(self->socket_pair[0], &msg, 1);
+            return true;
+        } else {
+            int status = 0;
+            int wait_result = waitpid(self->pid, &status, WNOHANG);
+            if(wait_result != 0) {
+                int exit_code = -1;
+                if(WIFEXITED(status))
+                    exit_code = WEXITSTATUS(status);
+                fprintf(stderr, "gsr error: gsr_dbus_client_init: server side or never started, exit code: %d\n", exit_code);
+                self->pid = 0;
+                return false;
+            }
+        }
+    }
+}
+
+bool gsr_dbus_client_init(gsr_dbus_client *self, const char *screencast_restore_token) {
+    memset(self, 0, sizeof(*self));
+
+    if(socketpair(AF_UNIX, SOCK_STREAM, 0, self->socket_pair) == -1) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_init: socketpair failed, error: %s\n", strerror(errno));
+        return false;
+    }
+
+    if(screencast_restore_token) {
+        self->screencast_restore_token = strdup(screencast_restore_token);
+        if(!self->screencast_restore_token) {
+            fprintf(stderr, "gsr error: gsr_dbus_client_init: failed to clone restore token\n");
+            gsr_dbus_client_deinit(self);
+            return false;
+        }
+    }
+
+    self->pid = fork();
+    if(self->pid == -1) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_init: failed to fork process\n");
+        gsr_dbus_client_deinit(self);
+        return false;
+    } else if(self->pid == 0) { /* child */
+        char socket_pair_server_str[32];
+        snprintf(socket_pair_server_str, sizeof(socket_pair_server_str), "%d", self->socket_pair[1]);
+
+        const char *args[] = { "gsr-dbus-server", socket_pair_server_str, self->screencast_restore_token ? self->screencast_restore_token : "", NULL };
+        execvp(args[0], (char *const*)args);
+
+        fprintf(stderr, "gsr error: gsr_dbus_client_init: execvp failed, error: %s\n", strerror(errno));
+        _exit(127);
+    } else { /* parent */
+        if(!gsr_dbus_client_wait_for_startup(self)) {
+            gsr_dbus_client_deinit(self);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void gsr_dbus_client_deinit(gsr_dbus_client *self) {
+    for(int i = 0; i < 2; ++i) {
+        if(self->socket_pair[i] > 0) {
+            close(self->socket_pair[i]);
+            self->socket_pair[i] = -1;
+        }
+    }
+
+    if(self->screencast_restore_token) {
+        free(self->screencast_restore_token);
+        self->screencast_restore_token = NULL;
+    }
+
+    if(self->pid > 0) {
+        kill(self->pid, SIGKILL);
+        int status = 0;
+        waitpid(self->pid, &status, 0);
+        self->pid = 0;
+    }
+}
+
+int gsr_dbus_client_screencast_create_session(gsr_dbus_client *self, char *session_handle, size_t session_handle_size) {
+    const gsr_dbus_request_message request = {
+        .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+        .type = GSR_DBUS_MESSAGE_REQ_CREATE_SESSION,
+        .create_session = (gsr_dbus_message_req_create_session) {}
+    };
+    write(self->socket_pair[0], &request, sizeof(request));
+
+    gsr_dbus_response_message response = {0};
+    read(self->socket_pair[0], &response, sizeof(response));
+
+    if(response.protocol_version != GSR_DBUS_PROTOCOL_VERSION) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_create_session: server uses protocol version %d while the client is using protocol version %d", response.protocol_version, GSR_DBUS_PROTOCOL_VERSION);
+        return -1;
+    }
+
+    if(response.type == GSR_DBUS_MESSAGE_RESP_ERROR) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_create_session: server return error: %s (%d)\n", response.error.message, (int)response.error.error_code);
+        return response.error.error_code;
+    }
+
+    if(response.type != GSR_DBUS_MESSAGE_RESP_CREATE_SESSION) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_create_session: received incorrect response type. Expected %d got %d\n", GSR_DBUS_MESSAGE_RESP_CREATE_SESSION, response.type);
+        return -1;
+    }
+
+    snprintf(session_handle, session_handle_size, "%s", response.create_session.session_handle);
+    return 0;
+}
+
+int gsr_dbus_client_screencast_select_sources(gsr_dbus_client *self, const char *session_handle, uint32_t capture_type, uint32_t cursor_mode) {
+    gsr_dbus_request_message request = {
+        .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+        .type = GSR_DBUS_MESSAGE_REQ_SELECT_SOURCES,
+        .select_sources = (gsr_dbus_message_req_select_sources) {
+            .capture_type = capture_type,
+            .cursor_mode = cursor_mode
+        }
+    };
+    snprintf(request.select_sources.session_handle, sizeof(request.select_sources.session_handle), "%s", session_handle);
+    write(self->socket_pair[0], &request, sizeof(request));
+
+    gsr_dbus_response_message response = {0};
+    read(self->socket_pair[0], &response, sizeof(response));
+
+    if(response.protocol_version != GSR_DBUS_PROTOCOL_VERSION) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_select_sources: server uses protocol version %d while the client is using protocol version %d", response.protocol_version, GSR_DBUS_PROTOCOL_VERSION);
+        return -1;
+    }
+
+    if(response.type == GSR_DBUS_MESSAGE_RESP_ERROR) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_select_sources: server return error: %s (%d)\n", response.error.message, (int)response.error.error_code);
+        return response.error.error_code;
+    }
+
+    if(response.type != GSR_DBUS_MESSAGE_RESP_SELECT_SOURCES) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_select_sources: received incorrect response type. Expected %d got %d\n", GSR_DBUS_MESSAGE_RESP_SELECT_SOURCES, response.type);
+        return -1;
+    }
+
+    return 0;
+}
+
+int gsr_dbus_client_screencast_start(gsr_dbus_client *self, const char *session_handle, uint32_t *pipewire_node) {
+    *pipewire_node = 0;
+
+    gsr_dbus_request_message request = {
+        .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+        .type = GSR_DBUS_MESSAGE_REQ_START,
+        .start = (gsr_dbus_message_req_start) {}
+    };
+    snprintf(request.start.session_handle, sizeof(request.start.session_handle), "%s", session_handle);
+    write(self->socket_pair[0], &request, sizeof(request));
+
+    gsr_dbus_response_message response = {0};
+    read(self->socket_pair[0], &response, sizeof(response));
+
+    if(response.protocol_version != GSR_DBUS_PROTOCOL_VERSION) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_start: server uses protocol version %d while the client is using protocol version %d", response.protocol_version, GSR_DBUS_PROTOCOL_VERSION);
+        return -1;
+    }
+
+    if(response.type == GSR_DBUS_MESSAGE_RESP_ERROR) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_start: server return error: %s (%d)\n", response.error.message, (int)response.error.error_code);
+        return response.error.error_code;
+    }
+
+    if(response.type != GSR_DBUS_MESSAGE_RESP_START) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_start: received incorrect response type. Expected %d got %d\n", GSR_DBUS_MESSAGE_RESP_START, response.type);
+        return -1;
+    }
+
+    if(self->screencast_restore_token) {
+        free(self->screencast_restore_token);
+        if(response.start.restore_token[0] == '\0')
+            self->screencast_restore_token = NULL;
+        else
+            self->screencast_restore_token = strdup(response.start.restore_token);
+    }
+
+    *pipewire_node = response.start.pipewire_node;
+    return 0;
+}
+
+bool gsr_dbus_client_screencast_open_pipewire_remote(gsr_dbus_client *self, const char *session_handle, int *pipewire_fd) {
+    *pipewire_fd = 0;
+
+    gsr_dbus_request_message request = {
+        .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+        .type = GSR_DBUS_MESSAGE_REQ_OPEN_PIPEWIRE_REMOTE,
+        .open_pipewire_remote = (gsr_dbus_message_req_open_pipewire_remote) {}
+    };
+    snprintf(request.open_pipewire_remote.session_handle, sizeof(request.open_pipewire_remote.session_handle), "%s", session_handle);
+    write(self->socket_pair[0], &request, sizeof(request));
+
+    gsr_dbus_response_message response = {0};
+    struct iovec iov = {
+        .iov_base = &response,
+        .iov_len = sizeof(response)
+    };
+
+    char msg_control[CMSG_SPACE(sizeof(int))];
+
+    struct msghdr message = {
+        .msg_iov = &iov,
+        .msg_iovlen = 1,
+        .msg_control = msg_control,
+        .msg_controllen = sizeof(msg_control)
+    };
+
+    const int bla = recvmsg(self->socket_pair[0], &message, MSG_WAITALL);
+    (void)bla;
+
+    if(response.protocol_version != GSR_DBUS_PROTOCOL_VERSION) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_open_pipewire_remote: server uses protocol version %d while the client is using protocol version %d", response.protocol_version, GSR_DBUS_PROTOCOL_VERSION);
+        return false;
+    }
+
+    if(response.type == GSR_DBUS_MESSAGE_RESP_ERROR) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_open_pipewire_remote: server return error: %s (%d)\n", response.error.message, (int)response.error.error_code);
+        return false;
+    }
+
+    if(response.type != GSR_DBUS_MESSAGE_RESP_OPEN_PIPEWIRE_REMOTE) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_open_pipewire_remote: received incorrect response type. Expected %d got %d\n", GSR_DBUS_MESSAGE_RESP_OPEN_PIPEWIRE_REMOTE, response.type);
+        return false;
+    }
+
+    struct cmsghdr *cmsg = CMSG_FIRSTHDR(&message);
+    if(!cmsg || cmsg->cmsg_type != SCM_RIGHTS) {
+        fprintf(stderr, "gsr error: gsr_dbus_client_screencast_open_pipewire_remote: returned message data is missing file descriptor\n");
+        return false;
+    }
+
+    memcpy(pipewire_fd, CMSG_DATA(cmsg), sizeof(*pipewire_fd));
+    return true;
+}
+
+const char* gsr_dbus_client_screencast_get_restore_token(gsr_dbus_client *self) {
+    return self->screencast_restore_token;
+}

dbus/client/dbus_client.h

@@ -0,0 +1,36 @@
+#ifndef GSR_DBUS_CLIENT_H
+#define GSR_DBUS_CLIENT_H
+
+/*
+    Using a client-server architecture is needed for dbus because cap_sys_nice doesn't work with desktop portal.
+    The main binary has cap_sys_nice and we launch a new child-process without it which uses uses desktop portal.
+*/
+
+#include "../portal.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <signal.h>
+
+typedef struct {
+    int socket_pair[2];
+    char *screencast_restore_token;
+    pid_t pid;
+} gsr_dbus_client;
+
+/* Blocking. TODO: Make non-blocking */
+bool gsr_dbus_client_init(gsr_dbus_client *self, const char *screencast_restore_token);
+void gsr_dbus_client_deinit(gsr_dbus_client *self);
+
+/* The follow functions should be called in order to setup ScreenCast properly */
+/* These functions that return an int return the response status code */
+int gsr_dbus_client_screencast_create_session(gsr_dbus_client *self, char *session_handle, size_t session_handle_size);
+/*
+    |capture_type| is a bitmask of gsr_portal_capture_type values. gsr_portal_capture_type values that are not supported by the desktop portal will be ignored.
+    |gsr_portal_cursor_mode| is a bitmask of gsr_portal_cursor_mode values. gsr_portal_cursor_mode values that are not supported will be ignored.
+*/
+int gsr_dbus_client_screencast_select_sources(gsr_dbus_client *self, const char *session_handle, uint32_t capture_type, uint32_t cursor_mode);
+int gsr_dbus_client_screencast_start(gsr_dbus_client *self, const char *session_handle, uint32_t *pipewire_node);
+bool gsr_dbus_client_screencast_open_pipewire_remote(gsr_dbus_client *self, const char *session_handle, int *pipewire_fd);
+const char* gsr_dbus_client_screencast_get_restore_token(gsr_dbus_client *self);
+
+#endif /* GSR_DBUS_CLIENT_H */

dbus/dbus_impl.c

@@ -1,5 +1,6 @@
-#include "../include/dbus.h"
-#include "../include/utils.h"
+#include "dbus_impl.h"
+
+#include <sys/random.h>
 
 #include <stdio.h>
 #include <string.h>
@@ -28,6 +29,25 @@ typedef struct {
     };
 } dict_entry;
 
+static bool generate_random_characters(char *buffer, int buffer_size, const char *alphabet, size_t alphabet_size) {
+    /* TODO: Use other functions on other platforms than linux */
+    if(getrandom(buffer, buffer_size, 0) < buffer_size) {
+        fprintf(stderr, "Failed to get random bytes, error: %s\n", strerror(errno));
+        return false;
+    }
+
+    for(int i = 0; i < buffer_size; ++i) {
+        unsigned char c = *(unsigned char*)&buffer[i];
+        buffer[i] = alphabet[c % alphabet_size];
+    }
+
+    return true;
+}
+
+static bool generate_random_characters_standard_alphabet(char *buffer, int buffer_size) {
+    return generate_random_characters(buffer, buffer_size, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 62);
+}
+
 static const char* dict_value_type_to_string(dict_value_type type) {
     switch(type) {
         case DICT_TYPE_STRING: return "string";

dbus/dbus_impl.h

@@ -1,6 +1,7 @@
 #ifndef GSR_DBUS_H
 #define GSR_DBUS_H
 
+#include "portal.h"
 #include <stdbool.h>
 #include <stdint.h>
 #include <dbus/dbus.h>
@@ -17,19 +18,6 @@ typedef struct {
     char *screencast_restore_token;
 } gsr_dbus;
 
-typedef enum {
-    GSR_PORTAL_CAPTURE_TYPE_MONITOR = 1 << 0,
-    GSR_PORTAL_CAPTURE_TYPE_WINDOW  = 1 << 1,
-    GSR_PORTAL_CAPTURE_TYPE_VIRTUAL = 1 << 2,
-    GSR_PORTAL_CAPTURE_TYPE_ALL = GSR_PORTAL_CAPTURE_TYPE_MONITOR | GSR_PORTAL_CAPTURE_TYPE_WINDOW | GSR_PORTAL_CAPTURE_TYPE_VIRTUAL
-} gsr_portal_capture_type;
-
-typedef enum {
-    GSR_PORTAL_CURSOR_MODE_HIDDEN   = 1 << 0,
-    GSR_PORTAL_CURSOR_MODE_EMBEDDED = 1 << 1,
-    GSR_PORTAL_CURSOR_MODE_METADATA = 1 << 2
-} gsr_portal_cursor_mode;
-
 /* Blocking. TODO: Make non-blocking */
 bool gsr_dbus_init(gsr_dbus *self, const char *screencast_restore_token);
 void gsr_dbus_deinit(gsr_dbus *self);

dbus/portal.h

@@ -0,0 +1,17 @@
+#ifndef GSR_PORTAL_H
+#define GSR_PORTAL_H
+
+typedef enum {
+    GSR_PORTAL_CAPTURE_TYPE_MONITOR = 1 << 0,
+    GSR_PORTAL_CAPTURE_TYPE_WINDOW  = 1 << 1,
+    GSR_PORTAL_CAPTURE_TYPE_VIRTUAL = 1 << 2,
+    GSR_PORTAL_CAPTURE_TYPE_ALL = GSR_PORTAL_CAPTURE_TYPE_MONITOR | GSR_PORTAL_CAPTURE_TYPE_WINDOW | GSR_PORTAL_CAPTURE_TYPE_VIRTUAL
+} gsr_portal_capture_type;
+
+typedef enum {
+    GSR_PORTAL_CURSOR_MODE_HIDDEN   = 1 << 0,
+    GSR_PORTAL_CURSOR_MODE_EMBEDDED = 1 << 1,
+    GSR_PORTAL_CURSOR_MODE_METADATA = 1 << 2
+} gsr_portal_cursor_mode;
+
+#endif /* GSR_PORTAL_H */

dbus/protocol.h

@@ -0,0 +1,86 @@
+#ifndef GSR_DBUS_PROTOCOL_H
+#define GSR_DBUS_PROTOCOL_H
+
+#include <stdint.h>
+
+#define GSR_DBUS_PROTOCOL_VERSION 1
+
+typedef enum {
+    GSR_DBUS_MESSAGE_REQ_CREATE_SESSION,
+    GSR_DBUS_MESSAGE_REQ_SELECT_SOURCES,
+    GSR_DBUS_MESSAGE_REQ_START,
+    GSR_DBUS_MESSAGE_REQ_OPEN_PIPEWIRE_REMOTE
+} gsr_dbus_message_req_type;
+
+typedef struct {
+
+} gsr_dbus_message_req_create_session;
+
+typedef struct {
+    char session_handle[128];
+    uint32_t capture_type;
+    uint32_t cursor_mode;
+} gsr_dbus_message_req_select_sources;
+
+typedef struct {
+    char session_handle[128];
+} gsr_dbus_message_req_start;
+
+typedef struct {
+    char session_handle[128];
+} gsr_dbus_message_req_open_pipewire_remote;
+
+typedef struct {
+    uint8_t protocol_version;
+    gsr_dbus_message_req_type type;
+    union {
+        gsr_dbus_message_req_create_session create_session;
+        gsr_dbus_message_req_select_sources select_sources;
+        gsr_dbus_message_req_start start;
+        gsr_dbus_message_req_open_pipewire_remote open_pipewire_remote;
+    };
+} gsr_dbus_request_message;
+
+typedef enum {
+    GSR_DBUS_MESSAGE_RESP_ERROR,
+    GSR_DBUS_MESSAGE_RESP_CREATE_SESSION,
+    GSR_DBUS_MESSAGE_RESP_SELECT_SOURCES,
+    GSR_DBUS_MESSAGE_RESP_START,
+    GSR_DBUS_MESSAGE_RESP_OPEN_PIPEWIRE_REMOTE
+} gsr_dbus_message_resp_type;
+
+typedef struct {
+    uint32_t error_code;
+    char message[128];
+} gsr_dbus_message_resp_error;
+
+typedef struct {
+    char session_handle[128];
+} gsr_dbus_message_resp_create_session;
+
+typedef struct {
+    
+} gsr_dbus_message_resp_select_sources;
+
+typedef struct {
+    char restore_token[128];
+    uint32_t pipewire_node;
+} gsr_dbus_message_resp_start;
+
+typedef struct {
+    
+} gsr_dbus_message_resp_open_pipewire_remote;
+
+typedef struct {
+    uint8_t protocol_version;
+    gsr_dbus_message_resp_type type;
+    union {
+        gsr_dbus_message_resp_error error;
+        gsr_dbus_message_resp_create_session create_session;
+        gsr_dbus_message_resp_select_sources select_sources;
+        gsr_dbus_message_resp_start start;
+        gsr_dbus_message_resp_open_pipewire_remote open_pipewire_remote;
+    };
+} gsr_dbus_response_message;
+
+#endif /* GSR_DBUS_PROTOCOL_H */

dbus/server/dbus_server.c

@@ -0,0 +1,175 @@
+#include "../dbus_impl.h"
+#include "../protocol.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <unistd.h>
+#include <sys/socket.h>
+
+/* TODO: Error check write/read */
+
+static int handle_create_session(gsr_dbus *dbus, int rpc_fd, const gsr_dbus_message_req_create_session *create_session) {
+    (void)create_session;
+    char *session_handle = NULL;
+    const int status = gsr_dbus_screencast_create_session(dbus, &session_handle);
+    if(status == 0) {
+        gsr_dbus_response_message response = {
+            .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+            .type = GSR_DBUS_MESSAGE_RESP_CREATE_SESSION,
+            .create_session = (gsr_dbus_message_resp_create_session) {}
+        };
+        snprintf(response.create_session.session_handle, sizeof(response.create_session.session_handle), "%s", session_handle);
+        free(session_handle);
+        write(rpc_fd, &response, sizeof(response));
+    }
+    return status;
+}
+
+static int handle_select_sources(gsr_dbus *dbus, int rpc_fd, const gsr_dbus_message_req_select_sources *select_sources) {
+    const int status = gsr_dbus_screencast_select_sources(dbus, select_sources->session_handle, select_sources->capture_type, select_sources->cursor_mode);
+    if(status == 0) {
+        gsr_dbus_response_message response = {
+            .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+            .type = GSR_DBUS_MESSAGE_RESP_SELECT_SOURCES,
+            .select_sources = (gsr_dbus_message_resp_select_sources) {}
+        };
+        write(rpc_fd, &response, sizeof(response));
+    }
+    return status;
+}
+
+static int handle_start(gsr_dbus *dbus, int rpc_fd, const gsr_dbus_message_req_start *start) {
+    uint32_t pipewire_node = 0;
+    const int status = gsr_dbus_screencast_start(dbus, start->session_handle, &pipewire_node);
+    if(status == 0) {
+        const char *screencast_restore_token = gsr_dbus_screencast_get_restore_token(dbus);
+        gsr_dbus_response_message response = {
+            .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+            .type = GSR_DBUS_MESSAGE_RESP_START,
+            .start = (gsr_dbus_message_resp_start) {
+                .pipewire_node = pipewire_node
+            }
+        };
+        snprintf(response.start.restore_token, sizeof(response.start.restore_token), "%s", screencast_restore_token ? screencast_restore_token : "");
+        write(rpc_fd, &response, sizeof(response));
+    }
+    return status;
+}
+
+static bool handle_open_pipewire_remote(gsr_dbus *dbus, int rpc_fd, const gsr_dbus_message_req_open_pipewire_remote *open_pipewire_remote) {
+    int pipewire_fd = 0;
+    const bool success = gsr_dbus_screencast_open_pipewire_remote(dbus, open_pipewire_remote->session_handle, &pipewire_fd);
+    if(success) {
+        gsr_dbus_response_message response = {
+            .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+            .type = GSR_DBUS_MESSAGE_RESP_OPEN_PIPEWIRE_REMOTE,
+            .open_pipewire_remote = (gsr_dbus_message_resp_open_pipewire_remote) {}
+        };
+
+        struct iovec iov = {
+            .iov_base = &response,
+            .iov_len = sizeof(response)
+        };
+
+        char msg_control[CMSG_SPACE(sizeof(int))];
+
+        struct msghdr message = {
+            .msg_iov = &iov,
+            .msg_iovlen = 1,
+            .msg_control = msg_control,
+            .msg_controllen = sizeof(msg_control)
+        };
+
+        struct cmsghdr *cmsg = CMSG_FIRSTHDR(&message);
+        cmsg->cmsg_level = SOL_SOCKET;
+        cmsg->cmsg_type = SCM_RIGHTS;
+        cmsg->cmsg_len = CMSG_LEN(sizeof(int));
+        int *fds = (int*)CMSG_DATA(cmsg);
+        fds[0] = pipewire_fd;
+        message.msg_controllen = cmsg->cmsg_len;
+        sendmsg(rpc_fd, &message, 0);
+    }
+    return success;
+}
+
+int main(int argc, char **argv) {
+    if(argc != 3) {
+        fprintf(stderr, "usage: gsr-dbus-server <rpc-fd> <screencast-restore-token>\n");
+        return 1;
+    }
+
+    const char *rpc_fd_str = argv[1];
+    const char *screencast_restore_token = argv[2];
+
+    int rpc_fd = -1;
+    if(sscanf(rpc_fd_str, "%d", &rpc_fd) != 1) {
+        fprintf(stderr, "gsr-dbus-server error: rpc-fd is not a number: %s\n", rpc_fd_str);
+        return 1;
+    }
+
+    if(screencast_restore_token[0] == '\0')
+        screencast_restore_token = NULL;
+
+    gsr_dbus dbus;
+    if(!gsr_dbus_init(&dbus, screencast_restore_token))
+        return 1;
+
+    /* Tell client we have started up */
+    write(rpc_fd, "S", 1);
+
+    gsr_dbus_request_message request;
+    for(;;) {
+        read(rpc_fd, &request, sizeof(request));
+
+        if(request.protocol_version != GSR_DBUS_PROTOCOL_VERSION) {
+            gsr_dbus_response_message response = {
+                .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+                .type = GSR_DBUS_MESSAGE_RESP_ERROR,
+                .error = (gsr_dbus_message_resp_error) {
+                    .error_code = 1
+                }
+            };
+            snprintf(response.error.message, sizeof(response.error.message), "Client uses protocol version %d while the server is using protocol version %d", request.protocol_version, GSR_DBUS_PROTOCOL_VERSION);
+            fprintf(stderr, "gsr-dbus-server error: %s\n", response.error.message);
+            write(rpc_fd, &response, sizeof(response));
+            continue;
+        }
+
+        int status = 0;
+        switch(request.type) {
+            case GSR_DBUS_MESSAGE_REQ_CREATE_SESSION: {
+                status = handle_create_session(&dbus, rpc_fd, &request.create_session);
+                break;
+            }
+            case GSR_DBUS_MESSAGE_REQ_SELECT_SOURCES: {
+                status = handle_select_sources(&dbus, rpc_fd, &request.select_sources);
+                break;
+            }
+            case GSR_DBUS_MESSAGE_REQ_START: {
+                status = handle_start(&dbus, rpc_fd, &request.start);
+                break;
+            }
+            case GSR_DBUS_MESSAGE_REQ_OPEN_PIPEWIRE_REMOTE: {
+                if(!handle_open_pipewire_remote(&dbus, rpc_fd, &request.open_pipewire_remote))
+                    status = -1;
+                break;
+            }
+        }
+
+        if(status != 0) {
+            gsr_dbus_response_message response = {
+                .protocol_version = GSR_DBUS_PROTOCOL_VERSION,
+                .type = GSR_DBUS_MESSAGE_RESP_ERROR,
+                .error = (gsr_dbus_message_resp_error) {
+                    .error_code = status
+                }
+            };
+            snprintf(response.error.message, sizeof(response.error.message), "%s", "Failed to handle request");
+            write(rpc_fd, &response, sizeof(response));
+        }
+    }
+
+    gsr_dbus_deinit(&dbus);
+    return 0;
+}

extra/meson_post_install.sh

@@ -4,14 +4,7 @@
 /usr/sbin/setcap cap_sys_admin+ep ${MESON_INSTALL_DESTDIR_PREFIX}/bin/gsr-kms-server \
     || echo "\n!!! Please re-run install as root\n"
 
-# Cant do this because it breaks desktop portal (create session)!!!.
-# For some reason the desktop portal tries to access /proc/gpu-screen-recorder-pid/root from the portal process
-# which doesn't work because for some reason CAP_SYS_NICE on a program makes /proc/self/root not readable by other processes.
-# The reason portal reads that file might be because portal seems to have a security feature where its able to identify the
-# process and if the session token is stolen by another application then it will ignore the session token as it wasn't that
-# application that created the session token.
-# ---
 # This is needed (for EGL_CONTEXT_PRIORITY_HIGH_IMG) to allow gpu screen recorder to run faster than the heaviest application on AMD.
 # For example when trying to record a game at 60 fps and the game drops to 45 fps in some place that would also make gpu screen recorder
-# drop to 45 fps unless this setcap is used.
-#/usr/sbin/setcap cap_sys_nice+ep ${MESON_INSTALL_DESTDIR_PREFIX}/bin/gpu-screen-recorder
+# drop to 45 fps unless this setcap is used. Recording would also drop to below 60 fps in some games even though they run above 60 fps.
+/usr/sbin/setcap cap_sys_nice+ep ${MESON_INSTALL_DESTDIR_PREFIX}/bin/gpu-screen-recorder

include/args_parser.h

@@ -0,0 +1,106 @@
+#ifndef GSR_ARGS_PARSER_H
+#define GSR_ARGS_PARSER_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "defs.h"
+#include "vec2.h"
+
+typedef struct gsr_egl gsr_egl;
+
+#define NUM_ARGS 30
+
+typedef enum {
+    ARG_TYPE_STRING,
+    ARG_TYPE_BOOLEAN,
+    ARG_TYPE_ENUM,
+    ARG_TYPE_I64,
+    ARG_TYPE_DOUBLE,
+} ArgType;
+
+typedef struct {
+    const char *name;
+    int value;
+} ArgEnum;
+
+typedef struct {
+    ArgType type;
+    const char **values;
+    int capacity_num_values;
+    int num_values;
+
+    const char *key;
+    bool optional;
+    bool list;
+
+    const ArgEnum *enum_values;
+    int num_enum_values;
+
+    int64_t integer_value_min;
+    int64_t integer_value_max;
+
+    union {
+        bool boolean;
+        int enum_value;
+        int64_t i64_value;
+        double d_value;
+    } typed_value;
+} Arg;
+
+typedef struct {
+    void (*version)(void *userdata);
+    void (*info)(void *userdata);
+    void (*list_audio_devices)(void *userdata);
+    void (*list_application_audio)(void *userdata);
+    void (*list_capture_options)(const char *card_path, void *userdata);
+} args_handlers;
+
+typedef struct {
+    Arg args[NUM_ARGS];
+
+    gsr_video_encoder_hardware video_encoder;
+    gsr_pixel_format pixel_format;
+    gsr_framerate_mode framerate_mode;
+    gsr_color_range color_range;
+    gsr_tune tune;
+    gsr_video_codec video_codec;
+    gsr_audio_codec audio_codec;
+    gsr_bitrate_mode bitrate_mode;
+    gsr_video_quality video_quality;
+    gsr_replay_storage replay_storage;
+    char window[64];
+    const char *container_format;
+    const char *filename;
+    const char *replay_recording_directory;
+    const char *portal_session_token_filepath;
+    const char *recording_saved_script;
+    bool verbose;
+    bool gl_debug;
+    bool record_cursor;
+    bool date_folders;
+    bool restore_portal_session;
+    bool restart_replay_on_save;
+    bool overclock;
+    bool is_livestream;
+    bool is_output_piped;
+    bool low_latency_recording;
+    bool very_old_gpu;
+    int64_t video_bitrate;
+    int64_t audio_bitrate;
+    int64_t fps;
+    int64_t replay_buffer_size_secs;
+    double keyint;
+    vec2i output_resolution;
+    vec2i region_size;
+    vec2i region_position;
+} args_parser;
+
+/* |argv| is stored as a reference */
+bool args_parser_parse(args_parser *self, int argc, char **argv, const args_handlers *args_handlers, void *userdata);
+void args_parser_deinit(args_parser *self);
+
+bool args_parser_validate_with_gl_info(args_parser *self, gsr_egl *egl);
+void args_parser_print_usage(void);
+Arg* args_parser_get_arg(args_parser *self, const char *arg_name);
+
+#endif /* GSR_ARGS_PARSER_H */

include/color_conversion.h

@@ -10,16 +10,6 @@
 #define GSR_COLOR_CONVERSION_MAX_GRAPHICS_SHADERS 6
 #define GSR_COLOR_CONVERSION_MAX_FRAMEBUFFERS 2
 
-typedef enum {
-    GSR_COLOR_RANGE_LIMITED,
-    GSR_COLOR_RANGE_FULL
-} gsr_color_range;
-
-typedef enum {
-    GSR_COLOR_DEPTH_8_BITS,
-    GSR_COLOR_DEPTH_10_BITS
-} gsr_color_depth;
-
 typedef enum {
     GSR_SOURCE_COLOR_RGB,
     GSR_SOURCE_COLOR_BGR

include/defs.h

@@ -3,35 +3,110 @@
 
 #include <stdbool.h>
 
+#define GSR_VIDEO_CODEC_AUTO -1
+#define GSR_BITRATE_MODE_AUTO -1
+
 typedef enum {
     GSR_GPU_VENDOR_AMD,
     GSR_GPU_VENDOR_INTEL,
     GSR_GPU_VENDOR_NVIDIA,
-    GSR_GPU_VENDOR_BROADCOM
+    GSR_GPU_VENDOR_BROADCOM,
 } gsr_gpu_vendor;
 
 typedef struct {
     gsr_gpu_vendor vendor;
     int gpu_version; /* 0 if unknown */
     bool is_steam_deck;
-
-    /* Only currently set for Mesa. 0 if unknown format */
-    int driver_major;
-    int driver_minor;
-    int driver_patch;
 } gsr_gpu_info;
 
 typedef enum {
     GSR_MONITOR_ROT_0,
     GSR_MONITOR_ROT_90,
     GSR_MONITOR_ROT_180,
-    GSR_MONITOR_ROT_270
+    GSR_MONITOR_ROT_270,
 } gsr_monitor_rotation;
 
 typedef enum {
     GSR_CONNECTION_X11,
     GSR_CONNECTION_WAYLAND,
-    GSR_CONNECTION_DRM
+    GSR_CONNECTION_DRM,
 } gsr_connection_type;
 
+typedef enum {
+    GSR_VIDEO_QUALITY_MEDIUM,
+    GSR_VIDEO_QUALITY_HIGH,
+    GSR_VIDEO_QUALITY_VERY_HIGH,
+    GSR_VIDEO_QUALITY_ULTRA,
+} gsr_video_quality;
+
+typedef enum {
+    GSR_VIDEO_CODEC_H264,
+    GSR_VIDEO_CODEC_HEVC,
+    GSR_VIDEO_CODEC_HEVC_HDR,
+    GSR_VIDEO_CODEC_HEVC_10BIT,
+    GSR_VIDEO_CODEC_AV1,
+    GSR_VIDEO_CODEC_AV1_HDR,
+    GSR_VIDEO_CODEC_AV1_10BIT,
+    GSR_VIDEO_CODEC_VP8,
+    GSR_VIDEO_CODEC_VP9,
+    GSR_VIDEO_CODEC_H264_VULKAN,
+    GSR_VIDEO_CODEC_HEVC_VULKAN,
+} gsr_video_codec;
+
+typedef enum {
+    GSR_AUDIO_CODEC_AAC,
+    GSR_AUDIO_CODEC_OPUS,
+    GSR_AUDIO_CODEC_FLAC,
+} gsr_audio_codec;
+
+typedef enum {
+    GSR_PIXEL_FORMAT_YUV420,
+    GSR_PIXEL_FORMAT_YUV444,
+} gsr_pixel_format;
+
+typedef enum {
+    GSR_FRAMERATE_MODE_CONSTANT,
+    GSR_FRAMERATE_MODE_VARIABLE,
+    GSR_FRAMERATE_MODE_CONTENT,
+} gsr_framerate_mode;
+
+typedef enum {
+    GSR_BITRATE_MODE_QP,
+    GSR_BITRATE_MODE_VBR,
+    GSR_BITRATE_MODE_CBR,
+} gsr_bitrate_mode;
+
+typedef enum {
+    GSR_TUNE_PERFORMANCE,
+    GSR_TUNE_QUALITY,
+} gsr_tune;
+
+typedef enum {
+    GSR_VIDEO_ENCODER_HW_GPU,
+    GSR_VIDEO_ENCODER_HW_CPU,
+} gsr_video_encoder_hardware;
+
+typedef enum {
+    GSR_COLOR_RANGE_LIMITED,
+    GSR_COLOR_RANGE_FULL,
+} gsr_color_range;
+
+typedef enum {
+    GSR_COLOR_DEPTH_8_BITS,
+    GSR_COLOR_DEPTH_10_BITS,
+} gsr_color_depth;
+
+typedef enum {
+    GSR_REPLAY_STORAGE_RAM,
+    GSR_REPLAY_STORAGE_DISK,
+} gsr_replay_storage;
+
+bool video_codec_is_hdr(gsr_video_codec video_codec);
+gsr_video_codec hdr_video_codec_to_sdr_video_codec(gsr_video_codec video_codec);
+gsr_color_depth video_codec_to_bit_depth(gsr_video_codec video_codec);
+const char* video_codec_to_string(gsr_video_codec video_codec);
+bool video_codec_is_av1(gsr_video_codec video_codec);
+bool video_codec_is_vulkan(gsr_video_codec video_codec);
+const char* audio_codec_get_name(gsr_audio_codec audio_codec);
+
 #endif /* GSR_DEFS_H */

include/egl.h

@@ -169,6 +169,13 @@ typedef void (*GLDEBUGPROC)(unsigned int source, unsigned int type, unsigned int
 typedef int (*FUNC_eglQueryDisplayAttribEXT)(EGLDisplay dpy, int32_t attribute, intptr_t *value);
 typedef const char* (*FUNC_eglQueryDeviceStringEXT)(void *device, int32_t name);
 typedef int (*FUNC_eglQueryDmaBufModifiersEXT)(EGLDisplay dpy, int32_t format, int32_t max_modifiers, uint64_t *modifiers, int *external_only, int32_t *num_modifiers);
+typedef void (*FUNC_glCreateMemoryObjectsEXT)(int n, unsigned int *memoryObjects);
+typedef void (*FUNC_glImportMemoryFdEXT)(unsigned int memory, uint64_t size, unsigned int handleType, int fd);
+typedef unsigned char (*FUNC_glIsMemoryObjectEXT)(unsigned int memoryObject);
+typedef void (*FUNC_glTexStorageMem2DEXT)(unsigned int target, int levels, unsigned int internalFormat, int width, int height, unsigned int memory, uint64_t offset);
+typedef void (*FUNC_glBufferStorageMemEXT)(unsigned int target, ssize_t size, unsigned int memory, uint64_t offset);
+typedef void (*FUNC_glNamedBufferStorageMemEXT)(unsigned int buffer, ssize_t size, unsigned int memory, uint64_t offset);
+typedef void (*FUNC_glMemoryObjectParameterivEXT)(unsigned int memoryObject, unsigned int pname, const int *params);
 
 typedef enum {
     GSR_GL_CONTEXT_TYPE_EGL,
@@ -219,6 +226,13 @@ struct gsr_egl {
     FUNC_eglQueryDisplayAttribEXT eglQueryDisplayAttribEXT;
     FUNC_eglQueryDeviceStringEXT eglQueryDeviceStringEXT;
     FUNC_eglQueryDmaBufModifiersEXT eglQueryDmaBufModifiersEXT;
+    FUNC_glCreateMemoryObjectsEXT glCreateMemoryObjectsEXT;
+    FUNC_glImportMemoryFdEXT glImportMemoryFdEXT;
+    FUNC_glIsMemoryObjectEXT glIsMemoryObjectEXT;
+    FUNC_glTexStorageMem2DEXT glTexStorageMem2DEXT;
+    FUNC_glBufferStorageMemEXT glBufferStorageMemEXT;
+    FUNC_glNamedBufferStorageMemEXT glNamedBufferStorageMemEXT;
+    FUNC_glMemoryObjectParameterivEXT glMemoryObjectParameterivEXT;
 
     __GLXextFuncPtr (*glXGetProcAddress)(const unsigned char *procName);
     GLXFBConfig* (*glXChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);
@@ -298,6 +312,7 @@ struct gsr_egl {
     void (*glUniformMatrix2fv)(int location, int count, unsigned char transpose, const float *value);
     void (*glDebugMessageCallback)(GLDEBUGPROC callback, const void *userParam);
     void (*glScissor)(int x, int y, int width, int height);
+    void (*glCreateBuffers)(int n, unsigned int *buffers);
     void (*glReadPixels)(int x, int y, int width, int height, unsigned int format, unsigned int type, void *pixels);
     void* (*glMapBuffer)(unsigned int target, unsigned int access);
     unsigned char (*glUnmapBuffer)(unsigned int target);

include/encoder/encoder.h

@@ -0,0 +1,43 @@
+#ifndef GSR_ENCODER_H
+#define GSR_ENCODER_H
+
+#include "../replay_buffer/replay_buffer.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <pthread.h>
+
+#define GSR_MAX_RECORDING_DESTINATIONS 128
+
+typedef struct AVCodecContext AVCodecContext;
+typedef struct AVFormatContext AVFormatContext;
+typedef struct AVStream AVStream;
+
+typedef struct {
+    size_t id;
+    AVCodecContext *codec_context;
+    AVFormatContext *format_context;
+    AVStream *stream;
+    int64_t start_pts;
+    bool has_received_keyframe;
+} gsr_encoder_recording_destination;
+
+typedef struct {
+    gsr_replay_buffer *replay_buffer;
+    pthread_mutex_t file_write_mutex;
+    bool mutex_created;
+
+    gsr_encoder_recording_destination recording_destinations[GSR_MAX_RECORDING_DESTINATIONS];
+    size_t num_recording_destinations;
+    size_t recording_destination_id_counter;
+} gsr_encoder;
+
+bool gsr_encoder_init(gsr_encoder *self, gsr_replay_storage replay_storage, size_t replay_buffer_num_packets, double replay_buffer_time, const char *replay_directory);
+void gsr_encoder_deinit(gsr_encoder *self);
+
+void gsr_encoder_receive_packets(gsr_encoder *self, AVCodecContext *codec_context, int64_t pts, int stream_index);
+/* Returns the id to the recording destination, or -1 on error */
+size_t gsr_encoder_add_recording_destination(gsr_encoder *self, AVCodecContext *codec_context, AVFormatContext *format_context, AVStream *stream, int64_t start_pts);
+bool gsr_encoder_remove_recording_destination(gsr_encoder *self, size_t id);
+
+#endif /* GSR_ENCODER_H */

include/encoder/video/video.h

@@ -4,24 +4,27 @@
 #include "../../color_conversion.h"
 #include <stdbool.h>
 
+#define GSR_MAX_RECORDING_DESTINATIONS 128
+
 typedef struct gsr_video_encoder gsr_video_encoder;
 typedef struct AVCodecContext AVCodecContext;
 typedef struct AVFrame AVFrame;
 
 struct gsr_video_encoder {
     bool (*start)(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame);
+    void (*destroy)(gsr_video_encoder *encoder, AVCodecContext *video_codec_context);
     void (*copy_textures_to_frame)(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion); /* Can be NULL */
     /* |textures| should be able to fit 2 elements */
     void (*get_textures)(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color);
-    void (*destroy)(gsr_video_encoder *encoder, AVCodecContext *video_codec_context);
 
     void *priv;
     bool started;
 };
 
+/* Set |replay_buffer_time_seconds| and |fps| to 0 to disable replay buffer */
 bool gsr_video_encoder_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame);
+void gsr_video_encoder_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context);
 void gsr_video_encoder_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion);
 void gsr_video_encoder_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color);
-void gsr_video_encoder_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context);
 
 #endif /* GSR_ENCODER_VIDEO_H */

include/replay_buffer/replay_buffer.h

@@ -0,0 +1,54 @@
+#ifndef GSR_REPLAY_BUFFER_H
+#define GSR_REPLAY_BUFFER_H
+
+#include "../defs.h"
+#include <pthread.h>
+#include <stdbool.h>
+#include <libavcodec/packet.h>
+
+typedef struct gsr_replay_buffer gsr_replay_buffer;
+
+typedef struct {
+    size_t packet_index;
+    size_t file_index;
+} gsr_replay_buffer_iterator;
+
+struct gsr_replay_buffer {
+    void (*destroy)(gsr_replay_buffer *self);
+    bool (*append)(gsr_replay_buffer *self, const AVPacket *av_packet, double timestamp);
+    void (*clear)(gsr_replay_buffer *self);
+    AVPacket* (*iterator_get_packet)(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+    /* The returned data should be free'd with free */
+    uint8_t* (*iterator_get_packet_data)(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+    /* The clone has to be destroyed before the replay buffer it clones is destroyed */
+    gsr_replay_buffer* (*clone)(gsr_replay_buffer *self);
+    /* Returns {0, 0} if replay buffer is empty */
+    gsr_replay_buffer_iterator (*find_packet_index_by_time_passed)(gsr_replay_buffer *self, int seconds);
+    /* Returns {-1, 0} if not found */
+    gsr_replay_buffer_iterator (*find_keyframe)(gsr_replay_buffer *self, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index);
+    bool (*iterator_next)(gsr_replay_buffer *self, gsr_replay_buffer_iterator *iterator);
+
+    pthread_mutex_t mutex;
+    bool mutex_initialized;
+    gsr_replay_buffer *original_replay_buffer;
+};
+
+gsr_replay_buffer* gsr_replay_buffer_create(gsr_replay_storage replay_storage, const char *replay_directory, double replay_buffer_time, size_t replay_buffer_num_packets);
+void gsr_replay_buffer_destroy(gsr_replay_buffer *self);
+
+void gsr_replay_buffer_lock(gsr_replay_buffer *self);
+void gsr_replay_buffer_unlock(gsr_replay_buffer *self);
+bool gsr_replay_buffer_append(gsr_replay_buffer *self, const AVPacket *av_packet, double timestamp);
+void gsr_replay_buffer_clear(gsr_replay_buffer *self);
+AVPacket* gsr_replay_buffer_iterator_get_packet(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+/* The returned data should be free'd with free */
+uint8_t* gsr_replay_buffer_iterator_get_packet_data(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+/* The clone has to be destroyed before the replay buffer it clones is destroyed */
+gsr_replay_buffer* gsr_replay_buffer_clone(gsr_replay_buffer *self);
+/* Returns {0, 0} if replay buffer is empty */
+gsr_replay_buffer_iterator gsr_replay_buffer_find_packet_index_by_time_passed(gsr_replay_buffer *self, int seconds);
+/* Returns {-1, 0} if not found */
+gsr_replay_buffer_iterator gsr_replay_buffer_find_keyframe(gsr_replay_buffer *self, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index);
+bool gsr_replay_buffer_iterator_next(gsr_replay_buffer *self, gsr_replay_buffer_iterator *iterator);
+
+#endif /* GSR_REPLAY_BUFFER_H */

include/replay_buffer/replay_buffer_disk.h

@@ -0,0 +1,44 @@
+#ifndef GSR_REPLAY_BUFFER_DISK_H
+#define GSR_REPLAY_BUFFER_DISK_H
+
+#include "replay_buffer.h"
+#include <limits.h>
+
+#define GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES 1024
+
+typedef struct {
+    AVPacket packet;
+    size_t data_index;
+    double timestamp;
+} gsr_av_packet_disk;
+
+typedef struct {
+    size_t id;
+    double start_timestamp;
+    double end_timestamp;
+    int ref_counter;
+    int fd;
+    
+    gsr_av_packet_disk *packets;
+    size_t capacity_num_packets;
+    size_t num_packets;
+} gsr_replay_buffer_file;
+
+typedef struct {
+    gsr_replay_buffer replay_buffer;
+    double replay_buffer_time;
+
+    size_t storage_counter;
+    size_t storage_num_bytes_written;
+    int storage_fd;
+    gsr_replay_buffer_file *files[GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES]; // GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES * REPLAY_BUFFER_FILE_SIZE_BYTES = 256gb, should be enough for everybody
+    size_t num_files;
+
+    char replay_directory[PATH_MAX];
+
+    bool owns_directory;
+} gsr_replay_buffer_disk;
+
+gsr_replay_buffer* gsr_replay_buffer_disk_create(const char *replay_directory, double replay_buffer_time);
+
+#endif /* GSR_REPLAY_BUFFER_DISK_H */

include/replay_buffer/replay_buffer_ram.h

@@ -0,0 +1,22 @@
+#ifndef GSR_REPLAY_BUFFER_RAM_H
+#define GSR_REPLAY_BUFFER_RAM_H
+
+#include "replay_buffer.h"
+
+typedef struct {
+    AVPacket packet;
+    int ref_counter;
+    double timestamp;
+} gsr_av_packet_ram;
+
+typedef struct {
+    gsr_replay_buffer replay_buffer;
+    gsr_av_packet_ram **packets;
+    size_t capacity_num_packets;
+    size_t num_packets;
+    size_t index;
+} gsr_replay_buffer_ram;
+
+gsr_replay_buffer* gsr_replay_buffer_ram_create(size_t replay_buffer_num_packets);
+
+#endif /* GSR_REPLAY_BUFFER_RAM_H */

kms/client/kms_client.c

@@ -387,6 +387,7 @@ void cleanup_socket(gsr_kms_client *self, bool kill_server) {
 
     if(kill_server && self->kms_server_pid > 0) {
         kill(self->kms_server_pid, SIGKILL);
+        // TODO:
         //int status;
         //waitpid(self->kms_server_pid, &status, 0);
         self->kms_server_pid = -1;

kms/server/kms_server.c

@@ -8,6 +8,7 @@
 #include <string.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <locale.h>
 
 #include <unistd.h>
 #include <limits.h>
@@ -434,6 +435,8 @@ static double clock_get_monotonic_seconds(void) {
 }
 
 int main(int argc, char **argv) {
+    setlocale(LC_ALL, "C"); // Sigh... stupid C
+
     int res = 0;
     int socket_fd = 0;
     gsr_drm drm;

meson.build

@@ -1,4 +1,4 @@
-project('gpu-screen-recorder', ['c', 'cpp'], version : '5.3.8', default_options : ['warning_level=2'])
+project('gpu-screen-recorder', ['c', 'cpp'], version : '5.5.2', default_options : ['warning_level=2'])
 
 add_project_arguments('-Wshadow', language : ['c', 'cpp'])
 if get_option('buildtype') == 'debug'
@@ -14,6 +14,7 @@ src = [
     'src/capture/xcomposite.c',
     'src/capture/ximage.c',
     'src/capture/kms.c',
+    'src/encoder/encoder.c',
     'src/encoder/video/video.c',
     'src/encoder/video/nvenc.c',
     'src/encoder/video/vaapi.c',
@@ -25,6 +26,9 @@ src = [
     'src/window/window.c',
     'src/window/x11.c',
     'src/window/wayland.c',
+    'src/replay_buffer/replay_buffer.c',
+    'src/replay_buffer/replay_buffer_ram.c',
+    'src/replay_buffer/replay_buffer_disk.c',
     'src/egl.c',
     'src/cuda.c',
     'src/xnvctrl.c',
@@ -37,6 +41,8 @@ src = [
     'src/cursor.c',
     'src/damage.c',
     'src/image_writer.c',
+    'src/args_parser.c',
+    'src/defs.c',
     'src/sound.cpp',
     'src/main.cpp',
 ]
@@ -70,10 +76,9 @@ uses_pipewire = false
 if get_option('portal') == true
     src += [
         'src/capture/portal.c',
-        'src/dbus.c',
+        'dbus/client/dbus_client.c',
         'src/pipewire_video.c',
     ]
-    dep += dependency('dbus-1')
     add_project_arguments('-DGSR_PORTAL', language : ['c', 'cpp'])
     uses_pipewire = true
 endif
@@ -98,6 +103,10 @@ add_project_arguments('-DGSR_VERSION="' + meson.project_version() + '"', languag
 executable('gsr-kms-server', 'kms/server/kms_server.c', dependencies : dependency('libdrm'), c_args : '-fstack-protector-all', install : true)
 executable('gpu-screen-recorder', src, dependencies : dep, install : true)
 
+if get_option('portal') == true
+    executable('gsr-dbus-server', ['dbus/server/dbus_server.c', 'dbus/dbus_impl.c'], dependencies : dependency('dbus-1'), install : true)
+endif
+
 if get_option('systemd') == true
     install_data(files('extra/gpu-screen-recorder.service'), install_dir : 'lib/systemd/user')
 endif

meson_options.txt

@@ -1,5 +1,5 @@
 option('systemd', type : 'boolean', value : true, description : 'Install systemd service file')
-option('capabilities', type : 'boolean', value : true, description : 'Set binary admin capability on gsr-kms-server binary to remove password prompt when recording monitor (without desktop portal option) on amd/intel or nvidia wayland')
+option('capabilities', type : 'boolean', value : true, description : 'Set binary admin capability on gsr-kms-server binary to remove password prompt when recording monitor (without desktop portal option) on amd/intel or nvidia wayland. Also sets nice capability on gpu-screen-recorder to allow it to run as a high priority graphics process for better performance')
 option('nvidia_suspend_fix', type : 'boolean', value : true, description : 'Install nvidia modprobe config file to tell nvidia driver to preserve video memory on suspend. This is a workaround for an nvidia driver bug that breaks cuda (and gpu screen recorder) on suspend')
 option('portal', type : 'boolean', value : true, description : 'Build with support for xdg desktop portal ScreenCast capture (wayland only) (-w portal option). Requires pipewire')
 option('app_audio', type : 'boolean', value : true, description : 'Build with support for recording a single audio source (-a app: option). Requires pipewire')

project.conf

@@ -1,7 +1,7 @@
 [package]
 name = "gpu-screen-recorder"
 type = "executable"
-version = "5.3.8"
+version = "5.5.2"
 platforms = ["posix"]
 
 [config]
@@ -33,4 +33,4 @@ wayland-client = ">=1"
 dbus-1 = ">=1"
 libpipewire-0.3 = ">=1"
 libspa-0.2 = ">=0"
-#vulkan = ">=1"
+vulkan = ">=1"

protocol/xdg-output-unstable-v1.xml

@@ -151,7 +151,7 @@
 	   summary="height in global compositor space"/>
     </event>
 
-    <event name="done" deprecated-since="3">
+    <event name="done">
       <description summary="all information about the output have been sent">
 	This event is sent after all other properties of an xdg_output
 	have been sent.

scripts/replay-application-name.sh

@@ -3,4 +3,4 @@
 window=$(xdotool selectwindow)
 window_name=$(xdotool getwindowname "$window" || xdotool getwindowclassname "$window" || echo "Game")
 window_name="$(echo "$window_name" | tr '/\\' '_')"
-gpu-screen-recorder -w "$window" -f 60 -c mkv -a default_output -bm cbr -q 45000 -r 60 -o "$HOME/Videos/Replays/$window_name"
+gpu-screen-recorder -w "$window" -f 60 -c mkv -a default_output -bm cbr -q 40000 -r 60 -o "$HOME/Videos/Replays/$window_name"

scripts/start-replay.sh

@@ -3,4 +3,4 @@
 pidof -q gpu-screen-recorder && exit 0
 video_path="$HOME/Videos"
 mkdir -p "$video_path"
-gpu-screen-recorder -w screen -f 60 -a default_output -c mkv -bm cbr -q 45000 -r 30 -o "$video_path"
+gpu-screen-recorder -w screen -f 60 -a default_output -c mkv -bm cbr -q 40000 -r 30 -o "$video_path"

src/args_parser.c

@@ -0,0 +1,924 @@
+#include "../include/args_parser.h"
+#include "../include/defs.h"
+#include "../include/egl.h"
+#include "../include/window/window.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <assert.h>
+#include <libgen.h>
+#include <sys/stat.h>
+
+#ifndef GSR_VERSION
+#define GSR_VERSION "unknown"
+#endif
+
+static const ArgEnum video_codec_enums[] = {
+    { .name = "auto",        .value = GSR_VIDEO_CODEC_AUTO       },
+    { .name = "h264",        .value = GSR_VIDEO_CODEC_H264       },
+    { .name = "h265",        .value = GSR_VIDEO_CODEC_HEVC       },
+    { .name = "hevc",        .value = GSR_VIDEO_CODEC_HEVC       },
+    { .name = "hevc_hdr",    .value = GSR_VIDEO_CODEC_HEVC_HDR   },
+    { .name = "hevc_10bit",  .value = GSR_VIDEO_CODEC_HEVC_10BIT },
+    { .name = "av1",         .value = GSR_VIDEO_CODEC_AV1        },
+    { .name = "av1_hdr",     .value = GSR_VIDEO_CODEC_AV1_HDR    },
+    { .name = "av1_10bit",   .value = GSR_VIDEO_CODEC_AV1_10BIT  },
+    { .name = "vp8",         .value = GSR_VIDEO_CODEC_VP8        },
+    { .name = "vp9",         .value = GSR_VIDEO_CODEC_VP9        },
+};
+
+static const ArgEnum audio_codec_enums[] = {
+    { .name = "opus", .value = GSR_AUDIO_CODEC_OPUS },
+    { .name = "aac",  .value = GSR_AUDIO_CODEC_AAC  },
+    { .name = "flac", .value = GSR_AUDIO_CODEC_FLAC },
+};
+
+static const ArgEnum video_encoder_enums[] = {
+    { .name = "gpu", .value = GSR_VIDEO_ENCODER_HW_GPU },
+    { .name = "cpu", .value = GSR_VIDEO_ENCODER_HW_CPU },
+};
+
+static const ArgEnum pixel_format_enums[] = {
+    { .name = "yuv420", .value = GSR_PIXEL_FORMAT_YUV420 },
+    { .name = "yuv444", .value = GSR_PIXEL_FORMAT_YUV444 },
+};
+
+static const ArgEnum framerate_mode_enums[] = {
+    { .name = "vfr",     .value = GSR_FRAMERATE_MODE_VARIABLE },
+    { .name = "cfr",     .value = GSR_FRAMERATE_MODE_CONSTANT },
+    { .name = "content", .value = GSR_FRAMERATE_MODE_CONTENT  },
+};
+
+static const ArgEnum bitrate_mode_enums[] = {
+    { .name = "auto", .value = GSR_BITRATE_MODE_AUTO },
+    { .name = "qp",   .value = GSR_BITRATE_MODE_QP   },
+    { .name = "cbr",  .value = GSR_BITRATE_MODE_CBR  },
+    { .name = "vbr",  .value = GSR_BITRATE_MODE_VBR  },
+};
+
+static const ArgEnum color_range_enums[] = {
+    { .name = "limited", .value = GSR_COLOR_RANGE_LIMITED },
+    { .name = "full",    .value = GSR_COLOR_RANGE_FULL    },
+};
+
+static const ArgEnum tune_enums[] = {
+    { .name = "performance", .value = GSR_TUNE_PERFORMANCE },
+    { .name = "quality",     .value = GSR_TUNE_QUALITY     },
+};
+
+static const ArgEnum replay_storage_enums[] = {
+    { .name = "ram",  .value = GSR_REPLAY_STORAGE_RAM  },
+    { .name = "disk", .value = GSR_REPLAY_STORAGE_DISK },
+};
+
+static void arg_deinit(Arg *arg) {
+    if(arg->values) {
+        free(arg->values);
+        arg->values = NULL;
+    }
+}
+
+static bool arg_append_value(Arg *arg, const char *value) {
+    if(arg->num_values + 1 >= arg->capacity_num_values) {
+        const int new_capacity_num_values = arg->capacity_num_values == 0 ? 4 : arg->capacity_num_values*2;
+        void *new_data = realloc(arg->values, new_capacity_num_values * sizeof(const char*));
+        if(!new_data)
+            return false;
+
+        arg->values = new_data;
+        arg->capacity_num_values = new_capacity_num_values;
+    }
+
+    arg->values[arg->num_values] = value;
+    ++arg->num_values;
+    return true;
+}
+
+static bool arg_get_enum_value_by_name(const Arg *arg, const char *name, int *enum_value) {
+    assert(arg->type == ARG_TYPE_ENUM);
+    assert(arg->enum_values);
+    for(int i = 0; i < arg->num_enum_values; ++i) {
+        if(strcmp(arg->enum_values[i].name, name) == 0) {
+            *enum_value = arg->enum_values[i].value;
+            return true;
+        }
+    }
+    return false;
+}
+
+static void arg_print_expected_enum_names(const Arg *arg) {
+    assert(arg->type == ARG_TYPE_ENUM);
+    assert(arg->enum_values);
+    for(int i = 0; i < arg->num_enum_values; ++i) {
+        if(i > 0) {
+            if(i == arg->num_enum_values -1)
+                fprintf(stderr, " or ");
+            else
+                fprintf(stderr, ", ");
+        }
+        fprintf(stderr, "'%s'", arg->enum_values[i].name);
+    }
+}
+
+static Arg* args_get_by_key(Arg *args, int num_args, const char *key) {
+    for(int i = 0; i < num_args; ++i) {
+        if(strcmp(args[i].key, key) == 0)
+            return &args[i];
+    }
+    return NULL;
+}
+
+static const char* args_get_value_by_key(Arg *args, int num_args, const char *key) {
+    for(int i = 0; i < num_args; ++i) {
+        if(strcmp(args[i].key, key) == 0) {
+            if(args[i].num_values == 0)
+                return NULL;
+            else
+                return args[i].values[0];
+        }
+    }
+    return NULL;
+}
+
+static bool args_get_boolean_by_key(Arg *args, int num_args, const char *key, bool default_value) {
+    Arg *arg = args_get_by_key(args, num_args, key);
+    assert(arg);
+    if(arg->num_values == 0) {
+        return default_value;
+    } else {
+        assert(arg->type == ARG_TYPE_BOOLEAN);
+        return arg->typed_value.boolean;
+    }
+}
+
+static int args_get_enum_by_key(Arg *args, int num_args, const char *key, int default_value) {
+    Arg *arg = args_get_by_key(args, num_args, key);
+    assert(arg);
+    if(arg->num_values == 0) {
+        return default_value;
+    } else {
+        assert(arg->type == ARG_TYPE_ENUM);
+        return arg->typed_value.enum_value;
+    }
+}
+
+static int64_t args_get_i64_by_key(Arg *args, int num_args, const char *key, int64_t default_value) {
+    Arg *arg = args_get_by_key(args, num_args, key);
+    assert(arg);
+    if(arg->num_values == 0) {
+        return default_value;
+    } else {
+        assert(arg->type == ARG_TYPE_I64);
+        return arg->typed_value.i64_value;
+    }
+}
+
+static double args_get_double_by_key(Arg *args, int num_args, const char *key, double default_value) {
+    Arg *arg = args_get_by_key(args, num_args, key);
+    assert(arg);
+    if(arg->num_values == 0) {
+        return default_value;
+    } else {
+        assert(arg->type == ARG_TYPE_DOUBLE);
+        return arg->typed_value.d_value;
+    }
+}
+
+static void usage_header() {
+    const bool inside_flatpak = getenv("FLATPAK_ID") != NULL;
+    const char *program_name = inside_flatpak ? "flatpak run --command=gpu-screen-recorder com.dec05eba.gpu_screen_recorder" : "gpu-screen-recorder";
+    printf("usage: %s -w <window_id|monitor|focused|portal|region> [-c <container_format>] [-s WxH] [-region WxH+X+Y] [-f <fps>] [-a <audio_input>] [-q <quality>] [-r <replay_buffer_size_sec>] [-replay-storage ram|disk] [-restart-replay-on-save yes|no] [-k h264|hevc|av1|vp8|vp9|hevc_hdr|av1_hdr|hevc_10bit|av1_10bit] [-ac aac|opus|flac] [-ab <bitrate>] [-oc yes|no] [-fm cfr|vfr|content] [-bm auto|qp|vbr|cbr] [-cr limited|full] [-tune performance|quality] [-df yes|no] [-sc <script_path>] [-cursor yes|no] [-keyint <value>] [-restore-portal-session yes|no] [-portal-session-token-filepath filepath] [-encoder gpu|cpu] [-o <output_file>] [-ro <output_directory>] [--list-capture-options [card_path]] [--list-audio-devices] [--list-application-audio] [-v yes|no] [-gl-debug yes|no] [--version] [-h|--help]\n", program_name);
+    fflush(stdout);
+}
+
+// TODO: Update with portal info
+static void usage_full() {
+    const bool inside_flatpak = getenv("FLATPAK_ID") != NULL;
+    const char *program_name = inside_flatpak ? "flatpak run --command=gpu-screen-recorder com.dec05eba.gpu_screen_recorder" : "gpu-screen-recorder";
+    usage_header();
+    printf("\n");
+    printf("OPTIONS:\n");
+    printf("  -w    Window id to record, a display (monitor name), \"screen\", \"screen-direct\", \"focused\", \"portal\" or \"region\".\n");
+    printf("        If this is \"portal\" then xdg desktop screencast portal with PipeWire will be used. Portal option is only available on Wayland.\n");
+    printf("        If you select to save the session (token) in the desktop portal capture popup then the session will be saved for the next time you use \"portal\",\n");
+    printf("        but the session will be ignored unless you run GPU Screen Recorder with the '-restore-portal-session yes' option.\n");
+    printf("        If this is \"region\" then the region specified by the -region option is recorded.\n");
+    printf("        If this is \"screen\" then the first monitor found is recorded.\n");
+    printf("        \"screen-direct\" can only be used on Nvidia X11, to allow recording without breaking VRR (G-SYNC). This also records all of your monitors.\n");
+    printf("        Using this \"screen-direct\" option is not recommended unless you use VRR (G-SYNC) as there are Nvidia driver issues that can cause your system or games to freeze/crash.\n");
+    printf("        The \"screen-direct\" option is not needed on AMD, Intel nor Nvidia on Wayland as VRR works properly in those cases.\n");
+    printf("        Run GPU Screen Recorder with the --list-capture-options option to list valid values for this option.\n");
+    printf("\n");
+    printf("  -c    Container format for output file, for example mp4, or flv. Only required if no output file is specified or if recording in replay buffer mode.\n");
+    printf("        If an output file is specified and -c is not used then the container format is determined from the output filename extension.\n");
+    printf("        Only containers that support h264, hevc, av1, vp8 or vp9 are supported, which means that only mp4, mkv, flv, webm (and some others) are supported.\n");
+    printf("\n");
+    printf("  -s    The output resolution limit of the video in the format WxH, for example 1920x1080. If this is 0x0 then the original resolution is used. Optional, except when -w is \"focused\".\n");
+    printf("        Note: the captured content is scaled to this size. The output resolution might not be exactly as specified by this option. The original aspect ratio is respected so the resolution will match that.\n");
+    printf("        The video encoder might also need to add padding, which will result in black bars on the sides of the video. This is especially an issue on AMD.\n");
+    printf("\n");
+    printf("  -region\n");
+    printf("        The region to capture, only to be used with -w region. This is in format WxH+X+Y, which is compatible with tools such as slop (X11) and slurp (kde plasma, wlroots and hyprland).\n");
+    printf("        The region can be inside any monitor. If width and height are 0 (for example 0x0+500+500) then the entire monitor that the region is inside in will be recorded.\n");
+    printf("        Note: currently the region can't span multiple monitors.\n");
+    printf("\n");
+    printf("  -f    Frame rate to record at. Recording will only capture frames at this target frame rate.\n");
+    printf("        For constant frame rate mode this option is the frame rate every frame will be captured at and if the capture frame rate is below this target frame rate then the frames will be duplicated.\n");
+    printf("        For variable frame rate mode this option is the max frame rate and if the capture frame rate is below this target frame rate then frames will not be duplicated.\n");
+    printf("        Content frame rate is similar to variable frame rate mode, except the frame rate will match the frame rate of the captured content when possible, but not capturing above the frame rate set in this -f option.\n");
+    printf("        Optional, set to 60 by default.\n");
+    printf("\n");
+    printf("  -a    Audio device or application to record from (pulse audio device). Can be specified multiple times. Each time this is specified a new audio track is added for the specified audio device or application.\n");
+    printf("        The audio device can also be \"default_output\" in which case the default output device is used, or \"default_input\" in which case the default input device is used.\n");
+    printf("        Multiple audio sources can be merged into one audio track by using \"|\" as a separator into one -a argument, for example: -a \"default_output|default_input\".\n");
+    printf("        The audio name can also be prefixed with \"device:\", for example: -a \"device:default_output\".\n");
+    printf("        To record audio from an application then prefix the audio name with \"app:\", for example: -a \"app:Brave\". The application name is case-insensitive.\n");
+    printf("        To record audio from all applications except the provided ones prefix the audio name with \"app-inverse:\", for example: -a \"app-inverse:Brave\".\n");
+    printf("        \"app:\" and \"app-inverse:\" can't be mixed in one audio track.\n");
+    printf("        One audio track can contain both audio devices and application audio, for example: -a \"default_output|device:alsa_output.pci-0000_00_1b.0.analog-stereo.monitor|app:Brave\".\n");
+    printf("        Recording application audio is only possible when the sound server on the system is PipeWire.\n");
+    printf("        If the audio name is an empty string then the argument is ignored.\n");
+    printf("        Optional, no audio track is added by default.\n");
+    printf("        Run GPU Screen Recorder with the --list-audio-devices option to list valid audio device names.\n");
+    printf("        Run GPU Screen Recorder with the --list-application-audio option to list valid application names. It's possible to use an application name that is not listed in --list-application-audio,\n");
+    printf("        for example when trying to record audio from an application that hasn't started yet.\n");
+    printf("\n");
+    printf("  -q    Video quality. Should be either 'medium', 'high', 'very_high' or 'ultra' when using '-bm qp' or '-bm vbr' options, and '-bm qp' is the default option used.\n");
+    printf("        'high' is the recommended option when live streaming or when you have a slower harddrive.\n");
+    printf("        When using '-bm cbr' option then this is option is instead used to specify the video bitrate in kbps.\n");
+    printf("        Optional when using '-bm qp' or '-bm vbr' options, set to 'very_high' be default.\n");
+    printf("        Required when using '-bm cbr' option.\n");
+    printf("\n");
+    printf("  -r    Replay buffer time in seconds. If this is set, then only the last seconds as set by this option will be stored\n");
+    printf("        and the video will only be saved when the gpu-screen-recorder is closed. This feature is similar to Nvidia's instant replay feature This option has be between 5 and 1200.\n");
+    printf("        Note that the video data is stored in RAM (unless -replay-storage disk is used), so don't use too long replay buffer time and use constant bitrate option (-bm cbr) to prevent RAM usage from going too high in busy scenes.\n");
+    printf("        Optional, disabled by default.\n");
+    printf("\n");
+    printf("  -replay-storage\n");
+    printf("        Specify where temporary replay is stored. Should be either 'ram' or 'disk'. If set to 'disk' then replay data is stored in temporary files in the same directory as -o.\n");
+    printf("        Preferably avoid setting this to 'disk' unless -o is set to a HDD, as constant writes to a SSD can reduce the life-time of the SSD.\n");
+    printf("        Optional, set to 'ram' by default.\n");
+    printf("\n");
+    printf("  -restart-replay-on-save\n");
+    printf("        Restart replay on save. For example if this is set to 'no' and replay time (-r) is set to 60 seconds and a replay is saved once then the first replay video is 60 seconds long\n");
+    printf("        and if a replay is saved 10 seconds later then the second replay video will also be 60 seconds long and contain 50 seconds of the previous video as well.\n");
+    printf("        If this is set to 'yes' then after a replay is saved the replay buffer data is cleared and the second replay will start from that point onward.\n");
+    printf("        The replay is only restarted when saving a full replay (SIGUSR1 signal)\n");
+    printf("        Optional, set to 'no' by default.\n");
+    printf("\n");
+    printf("  -k    Video codec to use. Should be either 'auto', 'h264', 'hevc', 'av1', 'vp8', 'vp9', 'hevc_hdr', 'av1_hdr', 'hevc_10bit' or 'av1_10bit'.\n");
+    printf("        Optional, set to 'auto' by default which defaults to 'h264'. Forcefully set to 'h264' if the file container type is 'flv'.\n");
+    printf("        'hevc_hdr' and 'av1_hdr' option is not available on X11 nor when using the portal capture option.\n");
+    printf("        'hevc_10bit' and 'av1_10bit' options allow you to select 10 bit color depth which can reduce banding and improve quality in darker areas, but not all video players support 10 bit color depth\n");
+    printf("        and if you upload the video to a website the website might reduce 10 bit to 8 bit.\n");
+    printf("        Note that when using 'hevc_hdr' or 'av1_hdr' the color depth is also 10 bits.\n");
+    printf("\n");
+    printf("  -ac   Audio codec to use. Should be either 'aac', 'opus' or 'flac'. Optional, set to 'opus' for .mp4/.mkv files, otherwise set to 'aac'.\n");
+    printf("        'opus' and 'flac' is only supported by .mp4/.mkv files. 'opus' is recommended for best performance and smallest audio size.\n");
+    printf("        Flac audio codec is option is disable at the moment because of a temporary issue.\n");
+    printf("\n");
+    printf("  -ab   Audio bitrate in kbps. If this is set to 0 then it's the same as if it's absent, in which case the bitrate is determined automatically depending on the audio codec.\n");
+    printf("        Optional, by default the bitrate is 128kbps for opus and flac and 160kbps for aac.\n");
+    printf("\n");
+    printf("  -oc   Overclock memory transfer rate to the maximum performance level. This only applies to NVIDIA on X11 and exists to overcome a bug in NVIDIA driver where performance level\n");
+    printf("        is dropped when you record a game. Only needed if you are recording a game that is bottlenecked by GPU. The same issue exists on Wayland but overclocking is not possible on Wayland.\n");
+    printf("        Works only if your have \"Coolbits\" set to \"12\" in NVIDIA X settings, see README for more information. Note! use at your own risk! Optional, disabled by default.\n");
+    printf("\n");
+    printf("  -fm   Framerate mode. Should be either 'cfr' (constant frame rate), 'vfr' (variable frame rate) or 'content'. Optional, set to 'vfr' by default.\n");
+    printf("        'vfr' is recommended for recording for less issue with very high system load but some applications such as video editors may not support it properly.\n");
+    printf("        'content' is currently only supported on X11 or when using portal capture option. The 'content' option matches the recording frame rate to the captured content.\n");
+    printf("\n");
+    printf("  -bm   Bitrate mode. Should be either 'auto', 'qp' (constant quality), 'vbr' (variable bitrate) or 'cbr' (constant bitrate). Optional, set to 'auto' by default which defaults to 'qp' on all devices\n");
+    printf("        except steam deck that has broken drivers and doesn't support qp.\n");
+    printf("        Note: 'vbr' option is not supported when using '-encoder cpu' option.\n");
+    printf("\n");
+    printf("  -cr   Color range. Should be either 'limited' (aka mpeg) or 'full' (aka jpeg). Optional, set to 'limited' by default.\n");
+    printf("        Limited color range means that colors are in range 16-235 (4112-60395 for hdr) while full color range means that colors are in range 0-255 (0-65535 for hdr).\n");
+    printf("        Note that some buggy video players (such as vlc) are unable to correctly display videos in full color range and when upload the video to websites the website\n");
+    printf("        might re-encoder the video to make the video limited color range.\n");
+    printf("\n");
+    printf("  -tune\n");
+    printf("        Tune for performance or quality. Should be either 'performance' or 'quality'. At the moment this option only has an effect on Nvidia where setting this to quality\n");
+    printf("        sets options such as preset, multipass and b frames. Optional, set to 'performance' by default.\n");
+    printf("\n");
+    printf("  -df   Organise replays in folders based on the current date.\n");
+    printf("\n");
+    printf("  -sc   Run a script on the saved video file (asynchronously). The first argument to the script is the filepath to the saved video file and the second argument is the recording type (either \"regular\" or \"replay\").\n");
+    printf("        Not applicable for live streams.\n");
+    printf("\n");
+    printf("  -cursor\n");
+    printf("        Record cursor. Optional, set to 'yes' by default.\n");
+    printf("\n");
+    printf("  -keyint\n");
+    printf("        Specifies the keyframe interval in seconds, the max amount of time to wait to generate a keyframe. Keyframes can be generated more often than this.\n");
+    printf("        This also affects seeking in the video and may affect how the replay video is cut. If this is set to 10 for example then you can only seek in 10-second chunks in the video.\n");
+    printf("        Setting this to a higher value reduces the video file size if you are ok with the previously described downside. This option is expected to be a floating point number.\n");
+    printf("        By default this value is set to 2.0.\n");
+    printf("\n");
+    printf("  -restore-portal-session\n");
+    printf("        If GPU Screen Recorder should use the same capture option as the last time. Using this option removes the popup asking what you want to record the next time you record with '-w portal'\n");
+    printf("        if you selected the option to save session (token) in the desktop portal screencast popup.\n");
+    printf("        This option may not have any effect on your Wayland compositor and your systems desktop portal needs to support ScreenCast version 5 or later. Optional, set to 'no' by default.\n");
+    printf("\n");
+    printf("  -portal-session-token-filepath\n");
+    printf("        This option is used together with -restore-portal-session option to specify the file path to save/restore the portal session token to/from.\n");
+    printf("        This can be used to remember different portal capture options depending on different recording option (such as recording/replay).\n");
+    printf("        Optional, set to \"$XDG_CONFIG_HOME/gpu-screen-recorder/restore_token\" by default ($XDG_CONFIG_HOME defaults to \"$HOME/.config\").\n");
+    printf("        Note: the directory to the portal session token file is created automatically if it doesn't exist.\n");
+    printf("\n");
+    printf("  -encoder\n");
+    printf("        Which device should be used for video encoding. Should either be 'gpu' or 'cpu'. 'cpu' option currently only work with h264 codec option (-k).\n");
+    printf("        Optional, set to 'gpu' by default.\n");
+    printf("\n");
+    printf("  --info\n");
+    printf("        List info about the system. Lists the following information (prints them to stdout and exits):\n");
+    printf("        Supported video codecs (h264, h264_software, hevc, hevc_hdr, hevc_10bit, av1, av1_hdr, av1_10bit, vp8, vp9) and image codecs (jpeg, png) (if supported).\n");
+    printf("        Supported capture options (window, focused, screen, monitors and portal, if supported by the system).\n");
+    printf("        If opengl initialization fails then the program exits with 22, if no usable drm device is found then it exits with 23. On success it exits with 0.\n");
+    printf("\n");
+    printf("  --list-capture-options\n");
+    printf("        List available capture options. Lists capture options in the following format (prints them to stdout and exits):\n");
+    printf("          <option>\n");
+    printf("          <monitor_name>|<resolution>\n");
+    printf("        For example:\n");
+    printf("          window\n");
+    printf("          DP-1|1920x1080\n");
+    printf("        The <option> and <monitor_name> is the name that can be passed to GPU Screen Recorder with the -w option.\n");
+    printf("        --list-capture-options optionally accepts a card path (\"/dev/dri/cardN\") which can improve the performance of running this command.\n");
+    printf("\n");
+    printf("  --list-audio-devices\n");
+    printf("        List audio devices. Lists audio devices in the following format (prints them to stdout and exits):\n");
+    printf("          <audio_device_name>|<audio_device_name_in_human_readable_format>\n");
+    printf("        For example:\n");
+    printf("          bluez_input.88:C9:E8:66:A2:27|WH-1000XM4\n");
+    printf("          alsa_output.pci-0000_0c_00.4.iec958-stereo|Monitor of Starship/Matisse HD Audio Controller Digital Stereo (IEC958)\n");
+    printf("        The <audio_device_name> is the name that can be passed to GPU Screen Recorder with the -a option.\n");
+    printf("\n");
+    printf("  --list-application-audio\n");
+    printf("        Lists applications that you can record from (prints them to stdout and exits), for example:\n");
+    printf("          firefox\n");
+    printf("          csgo\n");
+    printf("        These names are the application audio names that can be passed to GPU Screen Recorder with the -a option.\n");
+    printf("\n");
+    printf("  --version\n");
+    printf("        Print version (%s) and exit\n", GSR_VERSION);
+    printf("\n");
+    //fprintf(stderr, "  -pixfmt  The pixel format to use for the output video. yuv420 is the most common format and is best supported, but the color is compressed, so colors can look washed out and certain colors of text can look bad. Use yuv444 for no color compression, but the video may not work everywhere and it may not work with hardware video decoding. Optional, set to 'yuv420' by default\n");
+    printf("  -o    The output file path. If omitted then the encoded data is sent to stdout. Required in replay mode (when using -r).\n");
+    printf("        In replay mode this has to be a directory instead of a file.\n");
+    printf("        Note: the directory to the file is created automatically if it doesn't already exist.\n");
+    printf("\n");
+    printf("  -ro   The output directory for regular recordings in replay/streaming mode. Required to start recording in replay/streaming mode.\n");
+    printf("        Note: the directory to the file is created automatically if it doesn't already exist.\n");
+    printf("\n");
+    printf("  -v    Prints fps and damage info once per second. Optional, set to 'yes' by default.\n");
+    printf("\n");
+    printf("  -gl-debug\n");
+    printf("        Print opengl debug output. Optional, set to 'no' by default.\n");
+    printf("\n");
+    printf("  -h, --help\n");
+    printf("        Show this help.\n");
+    printf("\n");
+    printf("NOTES:\n");
+    printf("  Send signal SIGINT to gpu-screen-recorder (Ctrl+C, or pkill -SIGINT -f gpu-screen-recorder) to stop and save the recording. When in replay mode this stops recording without saving.\n");
+    printf("  Send signal SIGUSR2 to gpu-screen-recorder (pkill -SIGUSR2 -f gpu-screen-recorder) to pause/unpause recording. Only applicable when recording (not streaming nor replay).\n");
+    printf("  Send signal SIGUSR1 to gpu-screen-recorder (pkill -SIGUSR1 -f gpu-screen-recorder) to save a replay (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN+1 to gpu-screen-recorder (pkill -SIGRTMIN+1 -f gpu-screen-recorder) to save a replay of the last 10 seconds (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN+2 to gpu-screen-recorder (pkill -SIGRTMIN+2 -f gpu-screen-recorder) to save a replay of the last 30 seconds (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN+3 to gpu-screen-recorder (pkill -SIGRTMIN+3 -f gpu-screen-recorder) to save a replay of the last 60 seconds (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN+4 to gpu-screen-recorder (pkill -SIGRTMIN+4 -f gpu-screen-recorder) to save a replay of the last 5 minutes (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN+5 to gpu-screen-recorder (pkill -SIGRTMIN+5 -f gpu-screen-recorder) to save a replay of the last 10 minutes (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN+6 to gpu-screen-recorder (pkill -SIGRTMIN+6 -f gpu-screen-recorder) to save a replay of the last 30 minutes (when in replay mode).\n");
+    printf("  Send signal SIGRTMIN to gpu-screen-recorder (pkill -SIGRTMIN -f gpu-screen-recorder) to start/stop recording a regular video when in replay/streaming mode.\n");
+    printf("\n");
+    printf("EXAMPLES:\n");
+    printf("  %s -w screen -f 60 -a default_output -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a default_output -a default_input -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a \"default_output|default_input\" -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a default_output -c mkv -r 60 -o \"$HOME/Videos\"\n", program_name);
+    printf("  %s -w screen -f 60 -a default_output -c mkv -r 1800 -replay-storage disk -bm cbr -q 40000 -o \"$HOME/Videos\"\n", program_name);
+    printf("  %s -w screen -f 60 -a default_output -c mkv -sc script.sh -r 60 -o \"$HOME/Videos\"\n", program_name);
+    printf("  %s -w portal -f 60 -a default_output -restore-portal-session yes -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a default_output -bm cbr -q 15000 -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a \"app:firefox|app:csgo\" -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a \"app-inverse:firefox|app-inverse:csgo\" -o video.mp4\n", program_name);
+    printf("  %s -w screen -f 60 -a \"default_input|app-inverse:Brave\" -o video.mp4\n", program_name);
+    printf("  %s -w screen -o image.jpg\n", program_name);
+    printf("  %s -w screen -q medium -o image.jpg\n", program_name);
+    printf("  %s -w region -region 640x480+100+100 -o video.mp4\n", program_name);
+    printf("  %s -w region -region $(slop) -o video.mp4\n", program_name);
+    printf("  %s -w region -region $(slurp -f \"%%wx%%h+%%x+%%y\") -o video.mp4\n", program_name);
+    //fprintf(stderr, "  gpu-screen-recorder -w screen -f 60 -q ultra -pixfmt yuv444 -o video.mp4\n");
+    fflush(stdout);
+}
+
+static void usage() {
+    usage_header();
+}
+
+// TODO: Does this match all livestreaming cases?
+static bool is_livestream_path(const char *str) {
+    const int len = strlen(str);
+    if((len >= 7 && memcmp(str, "http://", 7) == 0) || (len >= 8 && memcmp(str, "https://", 8) == 0))
+        return true;
+    else if((len >= 7 && memcmp(str, "rtmp://", 7) == 0) || (len >= 8 && memcmp(str, "rtmps://", 8) == 0))
+        return true;
+    else if((len >= 7 && memcmp(str, "rtsp://", 7) == 0))
+        return true;
+    else if((len >= 6 && memcmp(str, "srt://", 6) == 0))
+        return true;
+    else if((len >= 6 && memcmp(str, "tcp://", 6) == 0))
+        return true;
+    else if((len >= 6 && memcmp(str, "udp://", 6) == 0))
+        return true;
+    else
+        return false;
+}
+
+static bool args_parser_set_values(args_parser *self) {
+    self->video_encoder = (gsr_video_encoder_hardware)args_get_enum_by_key(self->args, NUM_ARGS, "-encoder", GSR_VIDEO_ENCODER_HW_GPU);
+    self->pixel_format = (gsr_pixel_format)args_get_enum_by_key(self->args, NUM_ARGS, "-pixfmt", GSR_PIXEL_FORMAT_YUV420);
+    self->framerate_mode = (gsr_framerate_mode)args_get_enum_by_key(self->args, NUM_ARGS, "-fm", GSR_FRAMERATE_MODE_VARIABLE);
+    self->color_range = (gsr_color_range)args_get_enum_by_key(self->args, NUM_ARGS, "-cr", GSR_COLOR_RANGE_LIMITED);
+    self->tune = (gsr_tune)args_get_enum_by_key(self->args, NUM_ARGS, "-tune", GSR_TUNE_PERFORMANCE);
+    self->video_codec = (gsr_video_codec)args_get_enum_by_key(self->args, NUM_ARGS, "-k", GSR_VIDEO_CODEC_AUTO);
+    self->audio_codec = (gsr_audio_codec)args_get_enum_by_key(self->args, NUM_ARGS, "-ac", GSR_AUDIO_CODEC_OPUS);
+    self->bitrate_mode = (gsr_bitrate_mode)args_get_enum_by_key(self->args, NUM_ARGS, "-bm", GSR_BITRATE_MODE_AUTO);
+    self->replay_storage = (gsr_replay_storage)args_get_enum_by_key(self->args, NUM_ARGS, "-replay-storage", GSR_REPLAY_STORAGE_RAM);
+
+    const char *window = args_get_value_by_key(self->args, NUM_ARGS, "-w");
+    snprintf(self->window, sizeof(self->window), "%s", window);
+    self->verbose = args_get_boolean_by_key(self->args, NUM_ARGS, "-v", true);
+    self->gl_debug = args_get_boolean_by_key(self->args, NUM_ARGS, "-gl-debug", false);
+    self->record_cursor = args_get_boolean_by_key(self->args, NUM_ARGS, "-cursor", true);
+    self->date_folders = args_get_boolean_by_key(self->args, NUM_ARGS, "-df", false);
+    self->restore_portal_session = args_get_boolean_by_key(self->args, NUM_ARGS, "-restore-portal-session", false);
+    self->restart_replay_on_save = args_get_boolean_by_key(self->args, NUM_ARGS, "-restart-replay-on-save", false);
+    self->overclock = args_get_boolean_by_key(self->args, NUM_ARGS, "-oc", false);
+
+    self->audio_bitrate = args_get_i64_by_key(self->args, NUM_ARGS, "-ab", 0);
+    self->audio_bitrate *= 1000LL;
+
+    self->keyint = args_get_double_by_key(self->args, NUM_ARGS, "-keyint", 2.0);
+
+    if(self->audio_codec == GSR_AUDIO_CODEC_FLAC) {
+        fprintf(stderr, "Warning: flac audio codec is temporary disabled, using opus audio codec instead\n");
+        self->audio_codec = GSR_AUDIO_CODEC_OPUS;
+    }
+
+    self->portal_session_token_filepath = args_get_value_by_key(self->args, NUM_ARGS, "-portal-session-token-filepath");
+    if(self->portal_session_token_filepath) {
+        int len = strlen(self->portal_session_token_filepath);
+        if(len > 0 && self->portal_session_token_filepath[len - 1] == '/') {
+            fprintf(stderr, "Error: -portal-session-token-filepath should be a path to a file but it ends with a /: %s\n", self->portal_session_token_filepath);
+            return false;
+        }
+    }
+
+    self->recording_saved_script = args_get_value_by_key(self->args, NUM_ARGS, "-sc");
+    if(self->recording_saved_script) {
+        struct stat buf;
+        if(stat(self->recording_saved_script, &buf) == -1 || !S_ISREG(buf.st_mode)) {
+            fprintf(stderr, "Error: Script \"%s\" either doesn't exist or it's not a file\n", self->recording_saved_script);
+            usage();
+            return false;
+        }
+
+        if(!(buf.st_mode & S_IXUSR)) {
+            fprintf(stderr, "Error: Script \"%s\" is not executable\n", self->recording_saved_script);
+            usage();
+            return false;
+        }
+    }
+
+    const char *quality_str = args_get_value_by_key(self->args, NUM_ARGS, "-q");
+    self->video_quality = GSR_VIDEO_QUALITY_VERY_HIGH;
+    self->video_bitrate = 0;
+
+    if(self->bitrate_mode == GSR_BITRATE_MODE_CBR) {
+        if(!quality_str) {
+            fprintf(stderr, "Error: option '-q' is required when using '-bm cbr' option\n");
+            usage();
+            return false;
+        }
+
+        if(sscanf(quality_str, "%" PRIi64, &self->video_bitrate) != 1) {
+            fprintf(stderr, "Error: -q argument \"%s\" is not an integer value. When using '-bm cbr' option '-q' is expected to be an integer value\n", quality_str);
+            usage();
+            return false;
+        }
+
+        if(self->video_bitrate < 0) {
+            fprintf(stderr, "Error: -q is expected to be 0 or larger, got %" PRIi64 "\n", self->video_bitrate);
+            usage();
+            return false;
+        }
+
+        self->video_bitrate *= 1000LL;
+    } else {
+        if(!quality_str)
+            quality_str = "very_high";
+
+        if(strcmp(quality_str, "medium") == 0) {
+            self->video_quality = GSR_VIDEO_QUALITY_MEDIUM;
+        } else if(strcmp(quality_str, "high") == 0) {
+            self->video_quality = GSR_VIDEO_QUALITY_HIGH;
+        } else if(strcmp(quality_str, "very_high") == 0) {
+            self->video_quality = GSR_VIDEO_QUALITY_VERY_HIGH;
+        } else if(strcmp(quality_str, "ultra") == 0) {
+            self->video_quality = GSR_VIDEO_QUALITY_ULTRA;
+        } else {
+            fprintf(stderr, "Error: -q should either be 'medium', 'high', 'very_high' or 'ultra', got: '%s'\n", quality_str);
+            usage();
+            return false;
+        }
+    }
+
+    const char *output_resolution_str = args_get_value_by_key(self->args, NUM_ARGS, "-s");
+    if(!output_resolution_str && strcmp(self->window, "focused") == 0) {
+        fprintf(stderr, "Error: option -s is required when using '-w focused' option\n");
+        usage();
+        return false;
+    }
+
+    self->output_resolution = (vec2i){0, 0};
+    if(output_resolution_str) {
+        if(sscanf(output_resolution_str, "%dx%d", &self->output_resolution.x, &self->output_resolution.y) != 2) {
+            fprintf(stderr, "Error: invalid value for option -s '%s', expected a value in format WxH\n", output_resolution_str);
+            usage();
+            return false;
+        }
+
+        if(self->output_resolution.x < 0 || self->output_resolution.y < 0) {
+            fprintf(stderr, "Error: invalid value for option -s '%s', expected width and height to be greater or equal to 0\n", output_resolution_str);
+            usage();
+            return false;
+        }
+    }
+
+    self->region_size = (vec2i){0, 0};
+    self->region_position = (vec2i){0, 0};
+    const char *region_str = args_get_value_by_key(self->args, NUM_ARGS, "-region");
+    if(region_str) {
+        if(strcmp(self->window, "region") != 0) {
+            fprintf(stderr, "Error: option -region can only be used when option '-w region' is used\n");
+            usage();
+            return false;
+        }
+
+        if(sscanf(region_str, "%dx%d+%d+%d", &self->region_size.x, &self->region_size.y, &self->region_position.x, &self->region_position.y) != 4) {
+            fprintf(stderr, "Error: invalid value for option -region '%s', expected a value in format WxH+X+Y\n", region_str);
+            usage();
+            return false;
+        }
+
+        if(self->region_size.x < 0 || self->region_size.y < 0 || self->region_position.x < 0 || self->region_position.y < 0) {
+            fprintf(stderr, "Error: invalid value for option -region '%s', expected width, height, x and y to be greater or equal to 0\n", region_str);
+            usage();
+            return false;
+        }
+    } else {
+        if(strcmp(self->window, "region") == 0) {
+            fprintf(stderr, "Error: option -region is required when '-w region' is used\n");
+            usage();
+            return false;
+        }
+    }
+
+    self->fps = args_get_i64_by_key(self->args, NUM_ARGS, "-f", 60);
+    self->replay_buffer_size_secs = args_get_i64_by_key(self->args, NUM_ARGS, "-r", -1);
+    if(self->replay_buffer_size_secs != -1)
+        self->replay_buffer_size_secs += (int64_t)(self->keyint + 0.5); // Add a few seconds to account of lost packets because of non-keyframe packets skipped
+
+    self->container_format = args_get_value_by_key(self->args, NUM_ARGS, "-c");
+    if(self->container_format && strcmp(self->container_format, "mkv") == 0)
+        self->container_format = "matroska";
+
+    const bool is_replaying = self->replay_buffer_size_secs != -1;
+    self->is_livestream = false;
+    self->filename = args_get_value_by_key(self->args, NUM_ARGS, "-o");
+    if(self->filename) {
+        self->is_livestream = is_livestream_path(self->filename);
+        if(self->is_livestream) {
+            if(is_replaying) {
+                fprintf(stderr, "Error: replay mode is not applicable to live streaming\n");
+                return false;
+            }
+        } else {
+            if(!is_replaying) {
+                char directory_buf[PATH_MAX];
+                snprintf(directory_buf, sizeof(directory_buf), "%s", self->filename);
+                char *directory = dirname(directory_buf);
+                if(strcmp(directory, ".") != 0 && strcmp(directory, "/") != 0) {
+                    if(create_directory_recursive(directory) != 0) {
+                        fprintf(stderr, "Error: failed to create directory for output file: %s\n", self->filename);
+                        return false;
+                    }
+                }
+            } else {
+                if(!self->container_format) {
+                    fprintf(stderr, "Error: option -c is required when using option -r\n");
+                    usage();
+                    return false;
+                }
+
+                struct stat buf;
+                if(stat(self->filename, &buf) != -1 && !S_ISDIR(buf.st_mode)) {
+                    fprintf(stderr, "Error: File \"%s\" exists but it's not a directory\n", self->filename);
+                    usage();
+                    return false;
+                }
+            }
+        }
+    } else {
+        if(!is_replaying) {
+            self->filename = "/dev/stdout";
+        } else {
+            fprintf(stderr, "Error: Option -o is required when using option -r\n");
+            usage();
+            return false;
+        }
+
+        if(!self->container_format) {
+            fprintf(stderr, "Error: option -c is required when not using option -o\n");
+            usage();
+            return false;
+        }
+    }
+
+    self->is_output_piped = strcmp(self->filename, "/dev/stdout") == 0;
+    self->low_latency_recording = self->is_livestream || self->is_output_piped;
+
+    self->replay_recording_directory = args_get_value_by_key(self->args, NUM_ARGS, "-ro");
+
+    const bool is_portal_capture = strcmp(self->window, "portal") == 0;
+    if(!self->restore_portal_session && is_portal_capture)
+        fprintf(stderr, "Info: option '-w portal' was used without '-restore-portal-session yes'. The previous screencast session will be ignored\n");
+
+    if(self->is_livestream && self->recording_saved_script) {
+        fprintf(stderr, "Warning: live stream detected, -sc script is ignored\n");
+        self->recording_saved_script = NULL;
+    }
+
+    return true;
+}
+
+bool args_parser_parse(args_parser *self, int argc, char **argv, const args_handlers *arg_handlers, void *userdata) {
+    assert(arg_handlers);
+    memset(self, 0, sizeof(*self));
+
+    if(argc <= 1) {
+        usage_full();
+        return false;
+    }
+
+    if(argc == 2 && (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0)) {
+        usage_full();
+        return false;
+    }
+
+    if(argc == 2 && strcmp(argv[1], "--info") == 0) {
+        arg_handlers->info(userdata);
+        return true;
+    }
+
+    if(argc == 2 && strcmp(argv[1], "--list-audio-devices") == 0) {
+        arg_handlers->list_audio_devices(userdata);
+        return true;
+    }
+
+    if(argc == 2 && strcmp(argv[1], "--list-application-audio") == 0) {
+        arg_handlers->list_application_audio(userdata);
+        return true;
+    }
+
+    if(strcmp(argv[1], "--list-capture-options") == 0) {
+        if(argc == 2) {
+            arg_handlers->list_capture_options(NULL, userdata);
+            return true;
+        } else if(argc == 3 || argc == 4) {
+            const char *card_path = argv[2];
+            arg_handlers->list_capture_options(card_path, userdata);
+            return true;
+        } else {
+            fprintf(stderr, "Error: expected --list-capture-options to be called with either no extra arguments or 1 extra argument (card path)\n");
+            return false;
+        }
+    }
+
+    if(argc == 2 && strcmp(argv[1], "--version") == 0) {
+        arg_handlers->version(userdata);
+        return true;
+    }
+
+    int arg_index = 0;
+    self->args[arg_index++] = (Arg){ .key = "-w",                             .optional = false, .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-c",                             .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-f",                             .optional = true,  .list = false, .type = ARG_TYPE_I64, .integer_value_min = 1, .integer_value_max = 1000 };
+    self->args[arg_index++] = (Arg){ .key = "-s",                             .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-region",                        .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-a",                             .optional = true,  .list = true,  .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-q",                             .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-o",                             .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-ro",                            .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-r",                             .optional = true,  .list = false, .type = ARG_TYPE_I64, .integer_value_min = 2, .integer_value_max = 86400 };
+    self->args[arg_index++] = (Arg){ .key = "-restart-replay-on-save",        .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-k",                             .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = video_codec_enums, .num_enum_values = sizeof(video_codec_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-ac",                            .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = audio_codec_enums, .num_enum_values = sizeof(audio_codec_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-ab",                            .optional = true,  .list = false, .type = ARG_TYPE_I64, .integer_value_min = 0, .integer_value_max = 50000 };
+    self->args[arg_index++] = (Arg){ .key = "-oc",                            .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-fm",                            .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = framerate_mode_enums, .num_enum_values = sizeof(framerate_mode_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-bm",                            .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = bitrate_mode_enums, .num_enum_values = sizeof(bitrate_mode_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-pixfmt",                        .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = pixel_format_enums, .num_enum_values = sizeof(pixel_format_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-v",                             .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-gl-debug",                      .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-df",                            .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-sc",                            .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-cr",                            .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = color_range_enums, .num_enum_values = sizeof(color_range_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-tune",                          .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = tune_enums, .num_enum_values = sizeof(tune_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-cursor",                        .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-keyint",                        .optional = true,  .list = false, .type = ARG_TYPE_DOUBLE, .integer_value_min = 0, .integer_value_max = 500 };
+    self->args[arg_index++] = (Arg){ .key = "-restore-portal-session",        .optional = true,  .list = false, .type = ARG_TYPE_BOOLEAN };
+    self->args[arg_index++] = (Arg){ .key = "-portal-session-token-filepath", .optional = true,  .list = false, .type = ARG_TYPE_STRING  };
+    self->args[arg_index++] = (Arg){ .key = "-encoder",                       .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = video_encoder_enums, .num_enum_values = sizeof(video_encoder_enums)/sizeof(ArgEnum) };
+    self->args[arg_index++] = (Arg){ .key = "-replay-storage",                .optional = true,  .list = false, .type = ARG_TYPE_ENUM, .enum_values = replay_storage_enums, .num_enum_values = sizeof(replay_storage_enums)/sizeof(ArgEnum) };
+    assert(arg_index == NUM_ARGS);
+
+    for(int i = 1; i < argc; i += 2) {
+        const char *arg_name = argv[i];
+        Arg *arg = args_get_by_key(self->args, NUM_ARGS, arg_name);
+        if(!arg) {
+            fprintf(stderr, "Error: invalid argument '%s'\n", arg_name);
+            usage();
+            return false;
+        }
+
+        if(arg->num_values > 0 && !arg->list) {
+            fprintf(stderr, "Error: expected argument '%s' to only be specified once\n", arg_name);
+            usage();
+            return false;
+        }
+
+        if(i + 1 >= argc) {
+            fprintf(stderr, "Error: missing value for argument '%s'\n", arg_name);
+            usage();
+            return false;
+        }
+
+        const char *arg_value = argv[i + 1];
+        switch(arg->type) {
+            case ARG_TYPE_STRING: {
+                break;
+            }
+            case ARG_TYPE_BOOLEAN: {
+                if(strcmp(arg_value, "yes") == 0) {
+                    arg->typed_value.boolean = true;
+                } else if(strcmp(arg_value, "no") == 0) {
+                    arg->typed_value.boolean = false;
+                } else {
+                    fprintf(stderr, "Error: %s should either be 'yes' or 'no', got: '%s'\n", arg_name, arg_value);
+                    usage();
+                    return false;
+                }
+                break;
+            }
+            case ARG_TYPE_ENUM: {
+                if(!arg_get_enum_value_by_name(arg, arg_value, &arg->typed_value.enum_value)) {
+                    fprintf(stderr, "Error: %s should either be ", arg_name);
+                    arg_print_expected_enum_names(arg);
+                    fprintf(stderr, ", got: '%s'\n", arg_value);
+                    usage();
+                    return false;
+                }
+                break;
+            }
+            case ARG_TYPE_I64: {
+                if(sscanf(arg_value, "%" PRIi64, &arg->typed_value.i64_value) != 1) {
+                    fprintf(stderr, "Error: %s argument \"%s\" is not an integer\n", arg_name, arg_value);
+                    usage();
+                    return false;
+                }
+
+                if(arg->typed_value.i64_value < arg->integer_value_min) {
+                    fprintf(stderr, "Error: %s argument is expected to be larger than %" PRIi64 ", got %" PRIi64 "\n", arg_name, arg->integer_value_min, arg->typed_value.i64_value);
+                    usage();
+                    return false;
+                }
+
+                if(arg->typed_value.i64_value > arg->integer_value_max) {
+                    fprintf(stderr, "Error: %s argument is expected to be less than %" PRIi64 ", got %" PRIi64 "\n", arg_name, arg->integer_value_max, arg->typed_value.i64_value);
+                    usage();
+                    return false;
+                }
+                break;
+            }
+            case ARG_TYPE_DOUBLE: {
+                if(sscanf(arg_value, "%lf", &arg->typed_value.d_value) != 1) {
+                    fprintf(stderr, "Error: %s argument \"%s\" is not an floating-point number\n", arg_name, arg_value);
+                    usage();
+                    return false;
+                }
+
+                if(arg->typed_value.d_value < arg->integer_value_min) {
+                    fprintf(stderr, "Error: %s argument is expected to be larger than %" PRIi64 ", got %lf\n", arg_name, arg->integer_value_min, arg->typed_value.d_value);
+                    usage();
+                    return false;
+                }
+
+                if(arg->typed_value.d_value > arg->integer_value_max) {
+                    fprintf(stderr, "Error: %s argument is expected to be less than %" PRIi64 ", got %lf\n", arg_name, arg->integer_value_max, arg->typed_value.d_value);
+                    usage();
+                    return false;
+                }
+                break;
+            }
+        }
+
+        if(!arg_append_value(arg, arg_value)) {
+            fprintf(stderr, "Error: failed to append argument, out of memory\n");
+            return false;
+        }
+    }
+
+    for(int i = 0; i < NUM_ARGS; ++i) {
+        const Arg *arg = &self->args[i];
+        if(!arg->optional && arg->num_values == 0) {
+            fprintf(stderr, "Error: missing argument '%s'\n", arg->key);
+            usage();
+            return false;
+        }
+    }
+
+    return args_parser_set_values(self);
+}
+
+void args_parser_deinit(args_parser *self) {
+    for(int i = 0; i < NUM_ARGS; ++i) {
+        arg_deinit(&self->args[i]);
+    }
+}
+
+bool args_parser_validate_with_gl_info(args_parser *self, gsr_egl *egl) {
+    const bool wayland = gsr_window_get_display_server(egl->window) == GSR_DISPLAY_SERVER_WAYLAND;
+
+    if(self->bitrate_mode == (gsr_bitrate_mode)GSR_BITRATE_MODE_AUTO) {
+        // QP is broken on steam deck, see https://github.com/ValveSoftware/SteamOS/issues/1609
+        self->bitrate_mode = egl->gpu_info.is_steam_deck ? GSR_BITRATE_MODE_VBR : GSR_BITRATE_MODE_QP;
+    }
+
+    if(egl->gpu_info.is_steam_deck && self->bitrate_mode == GSR_BITRATE_MODE_QP) {
+        fprintf(stderr, "Warning: qp bitrate mode is not supported on Steam Deck because of Steam Deck driver bugs. Using vbr instead\n");
+        self->bitrate_mode = GSR_BITRATE_MODE_VBR;
+    }
+
+    if(self->video_encoder == GSR_VIDEO_ENCODER_HW_CPU && self->bitrate_mode == GSR_BITRATE_MODE_VBR) {
+        fprintf(stderr, "Warning: bitrate mode has been forcefully set to qp because software encoding option doesn't support vbr option\n");
+        self->bitrate_mode = GSR_BITRATE_MODE_QP;
+    }
+
+    if(egl->gpu_info.vendor != GSR_GPU_VENDOR_NVIDIA && self->overclock) {
+        fprintf(stderr, "Info: overclock option has no effect on amd/intel, ignoring option\n");
+        self->overclock = false;
+    }
+
+    if(egl->gpu_info.vendor == GSR_GPU_VENDOR_NVIDIA && self->overclock && wayland) {
+        fprintf(stderr, "Info: overclocking is not possible on nvidia on wayland, ignoring option\n");
+        self->overclock = false;
+    }
+
+    if(egl->gpu_info.is_steam_deck) {
+        fprintf(stderr, "Warning: steam deck has multiple driver issues. One of them has been reported here: https://github.com/ValveSoftware/SteamOS/issues/1609\n"
+            "If you have issues with GPU Screen Recorder on steam deck that you don't have on a desktop computer then report the issue to Valve and/or AMD.\n");
+    }
+
+    self->very_old_gpu = false;
+    if(egl->gpu_info.vendor == GSR_GPU_VENDOR_NVIDIA && egl->gpu_info.gpu_version != 0 && egl->gpu_info.gpu_version < 900) {
+        fprintf(stderr, "Info: your gpu appears to be very old (older than maxwell architecture). Switching to lower preset\n");
+        self->very_old_gpu = true;
+    }
+
+    if(video_codec_is_hdr(self->video_codec) && !wayland) {
+        fprintf(stderr, "Error: hdr video codec option %s is not available on X11\n", video_codec_to_string(self->video_codec));
+        usage();
+        return false;
+    }
+
+    const bool is_portal_capture = strcmp(self->window, "portal") == 0;
+    if(video_codec_is_hdr(self->video_codec) && is_portal_capture) {
+        fprintf(stderr, "Warning: portal capture option doesn't support hdr yet (PipeWire doesn't support hdr), the video will be tonemapped from hdr to sdr\n");
+        self->video_codec = hdr_video_codec_to_sdr_video_codec(self->video_codec);
+    }
+
+    return true;
+}
+
+void args_parser_print_usage(void) {
+    usage();
+}
+
+Arg* args_parser_get_arg(args_parser *self, const char *arg_name) {
+    return args_get_by_key(self->args, NUM_ARGS, arg_name);
+}

src/capture/portal.c

@@ -2,7 +2,7 @@
 #include "../../include/color_conversion.h"
 #include "../../include/egl.h"
 #include "../../include/utils.h"
-#include "../../include/dbus.h"
+#include "../../dbus/client/dbus_client.h"
 #include "../../include/pipewire_video.h"
 
 #include <stdlib.h>
@@ -16,8 +16,8 @@ typedef struct {
 
     gsr_texture_map texture_map;
 
-    gsr_dbus dbus;
-    char *session_handle;
+    gsr_dbus_client dbus_client;
+    char session_handle[128];
 
     gsr_pipewire_video pipewire;
     vec2i capture_size;
@@ -52,15 +52,8 @@ static void gsr_capture_portal_stop(gsr_capture_portal *self) {
     }
 
     gsr_capture_portal_cleanup_plane_fds(self);
-
     gsr_pipewire_video_deinit(&self->pipewire);
-
-    if(self->session_handle) {
-        free(self->session_handle);
-        self->session_handle = NULL;
-    }
-
-    gsr_dbus_deinit(&self->dbus);
+    gsr_dbus_client_deinit(&self->dbus_client);
 }
 
 static void gsr_capture_portal_create_input_textures(gsr_capture_portal *self) {
@@ -195,36 +188,36 @@ static int gsr_capture_portal_setup_dbus(gsr_capture_portal *self, int *pipewire
     if(self->params.restore_portal_session)
         gsr_capture_portal_get_restore_token_from_cache(restore_token, sizeof(restore_token), self->params.portal_session_token_filepath);
 
-    if(!gsr_dbus_init(&self->dbus, restore_token))
+    if(!gsr_dbus_client_init(&self->dbus_client, restore_token))
         return -1;
 
     fprintf(stderr, "gsr info: gsr_capture_portal_setup_dbus: CreateSession\n");
-    response_status = gsr_dbus_screencast_create_session(&self->dbus, &self->session_handle);
+    response_status = gsr_dbus_client_screencast_create_session(&self->dbus_client, self->session_handle, sizeof(self->session_handle));
     if(response_status != 0) {
         fprintf(stderr, "gsr error: gsr_capture_portal_setup_dbus: CreateSession failed\n");
         return response_status;
     }
 
     fprintf(stderr, "gsr info: gsr_capture_portal_setup_dbus: SelectSources\n");
-    response_status = gsr_dbus_screencast_select_sources(&self->dbus, self->session_handle, GSR_PORTAL_CAPTURE_TYPE_ALL, self->params.record_cursor ? GSR_PORTAL_CURSOR_MODE_EMBEDDED : GSR_PORTAL_CURSOR_MODE_HIDDEN);
+    response_status = gsr_dbus_client_screencast_select_sources(&self->dbus_client, self->session_handle, GSR_PORTAL_CAPTURE_TYPE_ALL, self->params.record_cursor ? GSR_PORTAL_CURSOR_MODE_EMBEDDED : GSR_PORTAL_CURSOR_MODE_HIDDEN);
     if(response_status != 0) {
         fprintf(stderr, "gsr error: gsr_capture_portal_setup_dbus: SelectSources failed\n");
         return response_status;
     }
 
     fprintf(stderr, "gsr info: gsr_capture_portal_setup_dbus: Start\n");
-    response_status = gsr_dbus_screencast_start(&self->dbus, self->session_handle, pipewire_node);
+    response_status = gsr_dbus_client_screencast_start(&self->dbus_client, self->session_handle, pipewire_node);
     if(response_status != 0) {
         fprintf(stderr, "gsr error: gsr_capture_portal_setup_dbus: Start failed\n");
         return response_status;
     }
 
-    const char *screencast_restore_token = gsr_dbus_screencast_get_restore_token(&self->dbus);
+    const char *screencast_restore_token = gsr_dbus_client_screencast_get_restore_token(&self->dbus_client);
     if(screencast_restore_token)
         gsr_capture_portal_save_restore_token(screencast_restore_token, self->params.portal_session_token_filepath);
 
     fprintf(stderr, "gsr info: gsr_capture_portal_setup_dbus: OpenPipeWireRemote\n");
-    if(!gsr_dbus_screencast_open_pipewire_remote(&self->dbus, self->session_handle, pipewire_fd)) {
+    if(!gsr_dbus_client_screencast_open_pipewire_remote(&self->dbus_client, self->session_handle, pipewire_fd)) {
         fprintf(stderr, "gsr error: gsr_capture_portal_setup_dbus: OpenPipeWireRemote failed\n");
         return -1;
     }

src/codec_query/vaapi.c

@@ -116,7 +116,7 @@ static bool get_supported_video_codecs(VADisplay va_dpy, gsr_supported_video_cod
     int va_minor = 0;
     if(vaInitialize(va_dpy, &va_major, &va_minor) != VA_STATUS_SUCCESS) {
         fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: vaInitialize failed\n");
-        goto fail;
+        return false;
     }
 
     int num_profiles = vaMaxNumProfiles(va_dpy);

src/defs.c

@@ -0,0 +1,100 @@
+#include "../include/defs.h"
+#include <assert.h>
+
+bool video_codec_is_hdr(gsr_video_codec video_codec) {
+    // TODO: Vulkan
+    switch(video_codec) {
+        case GSR_VIDEO_CODEC_HEVC_HDR:
+        case GSR_VIDEO_CODEC_AV1_HDR:
+            return true;
+        default:
+            return false;
+    }
+}
+
+gsr_video_codec hdr_video_codec_to_sdr_video_codec(gsr_video_codec video_codec) {
+    // TODO: Vulkan
+    switch(video_codec) {
+        case GSR_VIDEO_CODEC_HEVC_HDR:
+            return GSR_VIDEO_CODEC_HEVC;
+        case GSR_VIDEO_CODEC_AV1_HDR:
+            return GSR_VIDEO_CODEC_AV1;
+        default:
+            return video_codec;
+    }
+}
+
+gsr_color_depth video_codec_to_bit_depth(gsr_video_codec video_codec) {
+    // TODO: 10-bit Vulkan
+    switch(video_codec) {
+        case GSR_VIDEO_CODEC_HEVC_HDR:
+        case GSR_VIDEO_CODEC_HEVC_10BIT:
+        case GSR_VIDEO_CODEC_AV1_HDR:
+        case GSR_VIDEO_CODEC_AV1_10BIT:
+            return GSR_COLOR_DEPTH_10_BITS;
+        default:
+            return GSR_COLOR_DEPTH_8_BITS;
+    }
+}
+
+const char* video_codec_to_string(gsr_video_codec video_codec) {
+    switch(video_codec) {
+        case GSR_VIDEO_CODEC_H264:        return "h264";
+        case GSR_VIDEO_CODEC_HEVC:        return "hevc";
+        case GSR_VIDEO_CODEC_HEVC_HDR:    return "hevc_hdr";
+        case GSR_VIDEO_CODEC_HEVC_10BIT:  return "hevc_10bit";
+        case GSR_VIDEO_CODEC_AV1:         return "av1";
+        case GSR_VIDEO_CODEC_AV1_HDR:     return "av1_hdr";
+        case GSR_VIDEO_CODEC_AV1_10BIT:   return "av1_10bit";
+        case GSR_VIDEO_CODEC_VP8:         return "vp8";
+        case GSR_VIDEO_CODEC_VP9:         return "vp9";
+        case GSR_VIDEO_CODEC_H264_VULKAN: return "h264_vulkan";
+        case GSR_VIDEO_CODEC_HEVC_VULKAN: return "hevc_vulkan";
+    }
+    return "";
+}
+
+// bool video_codec_is_hevc(gsr_video_codec video_codec) {
+//     // TODO: 10-bit vulkan
+//     switch(video_codec) {
+//         case GSR_VIDEO_CODEC_HEVC:
+//         case GSR_VIDEO_CODEC_HEVC_HDR:
+//         case GSR_VIDEO_CODEC_HEVC_10BIT:
+//         case GSR_VIDEO_CODEC_HEVC_VULKAN:
+//             return true;
+//         default:
+//             return false;
+//     }
+// }
+
+bool video_codec_is_av1(gsr_video_codec video_codec) {
+    // TODO: Vulkan
+    switch(video_codec) {
+        case GSR_VIDEO_CODEC_AV1:
+        case GSR_VIDEO_CODEC_AV1_HDR:
+        case GSR_VIDEO_CODEC_AV1_10BIT:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool video_codec_is_vulkan(gsr_video_codec video_codec) {
+    switch(video_codec) {
+        case GSR_VIDEO_CODEC_H264_VULKAN:
+        case GSR_VIDEO_CODEC_HEVC_VULKAN:
+            return true;
+        default:
+            return false;
+    }
+}
+
+const char* audio_codec_get_name(gsr_audio_codec audio_codec) {
+    switch(audio_codec) {
+        case GSR_AUDIO_CODEC_AAC:  return "aac";
+        case GSR_AUDIO_CODEC_OPUS: return "opus";
+        case GSR_AUDIO_CODEC_FLAC: return "flac";
+    }
+    assert(false);
+    return "";
+}

src/egl.c

@@ -60,7 +60,7 @@ static bool gsr_egl_create_window(gsr_egl *self) {
 
     const int32_t ctxattr[] = {
         EGL_CONTEXT_CLIENT_VERSION, 2,
-        //EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_HIGH_IMG, /* requires cap_sys_nice, ignored otherwise */
+        EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_HIGH_IMG, /* requires cap_sys_nice, ignored otherwise */
         EGL_NONE, EGL_NONE
     };
 
@@ -225,6 +225,14 @@ static bool gsr_egl_proc_load_egl(gsr_egl *self) {
     self->eglQueryDeviceStringEXT = (FUNC_eglQueryDeviceStringEXT)self->eglGetProcAddress("eglQueryDeviceStringEXT");
     self->eglQueryDmaBufModifiersEXT = (FUNC_eglQueryDmaBufModifiersEXT)self->eglGetProcAddress("eglQueryDmaBufModifiersEXT");
 
+    self->glCreateMemoryObjectsEXT = (FUNC_glCreateMemoryObjectsEXT)self->eglGetProcAddress("glCreateMemoryObjectsEXT");
+    self->glImportMemoryFdEXT = (FUNC_glImportMemoryFdEXT)self->eglGetProcAddress("glImportMemoryFdEXT");
+    self->glIsMemoryObjectEXT = (FUNC_glIsMemoryObjectEXT)self->eglGetProcAddress("glIsMemoryObjectEXT");
+    self->glTexStorageMem2DEXT = (FUNC_glTexStorageMem2DEXT)self->eglGetProcAddress("glTexStorageMem2DEXT");
+    self->glBufferStorageMemEXT = (FUNC_glBufferStorageMemEXT)self->eglGetProcAddress("glBufferStorageMemEXT");
+    self->glNamedBufferStorageMemEXT = (FUNC_glNamedBufferStorageMemEXT)self->eglGetProcAddress("glNamedBufferStorageMemEXT");
+    self->glMemoryObjectParameterivEXT = (FUNC_glMemoryObjectParameterivEXT)self->eglGetProcAddress("glMemoryObjectParameterivEXT");
+
     if(!self->eglExportDMABUFImageQueryMESA) {
         fprintf(stderr, "gsr error: gsr_egl_load failed: could not find eglExportDMABUFImageQueryMESA\n");
         return false;

src/encoder/encoder.c

@@ -0,0 +1,155 @@
+#include "../../include/encoder/encoder.h"
+#include "../../include/utils.h"
+
+#include <string.h>
+#include <stdio.h>
+
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+
+bool gsr_encoder_init(gsr_encoder *self, gsr_replay_storage replay_storage, size_t replay_buffer_num_packets, double replay_buffer_time, const char *replay_directory) {
+    memset(self, 0, sizeof(*self));
+    self->num_recording_destinations = 0;
+    self->recording_destination_id_counter = 0;
+
+    if(pthread_mutex_init(&self->file_write_mutex, NULL) != 0) {
+        fprintf(stderr, "gsr error: gsr_encoder_init: failed to create mutex\n");
+        return false;
+    }
+    self->mutex_created = true;
+
+    if(replay_buffer_num_packets > 0) {
+        self->replay_buffer = gsr_replay_buffer_create(replay_storage, replay_directory, replay_buffer_time, replay_buffer_num_packets);
+        if(!self->replay_buffer) {
+            fprintf(stderr, "gsr error: gsr_encoder_init: failed to create replay buffer\n");
+            gsr_encoder_deinit(self);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void gsr_encoder_deinit(gsr_encoder *self)  {
+    if(self->mutex_created) {
+        self->mutex_created = false;
+        pthread_mutex_destroy(&self->file_write_mutex);
+    }
+
+    if(self->replay_buffer) {
+        gsr_replay_buffer_destroy(self->replay_buffer);
+        self->replay_buffer = NULL;
+    }
+
+    self->num_recording_destinations = 0;
+    self->recording_destination_id_counter = 0;
+}
+
+void gsr_encoder_receive_packets(gsr_encoder *self, AVCodecContext *codec_context, int64_t pts, int stream_index) {
+    for(;;) {
+        AVPacket *av_packet = av_packet_alloc();
+        if(!av_packet)
+            break;
+
+        av_packet->data = NULL;
+        av_packet->size = 0;
+        int res = avcodec_receive_packet(codec_context, av_packet);
+        if(res == 0) { // we have a packet, send the packet to the muxer
+            av_packet->stream_index = stream_index;
+            av_packet->pts = pts;
+            av_packet->dts = pts;
+
+            if(self->replay_buffer) {
+                const double time_now = clock_get_monotonic_seconds();
+                if(!gsr_replay_buffer_append(self->replay_buffer, av_packet, time_now))
+                    fprintf(stderr, "gsr error: gsr_encoder_receive_packets: failed to add replay buffer data\n");
+            }
+
+            pthread_mutex_lock(&self->file_write_mutex);
+            const bool is_keyframe = av_packet->flags & AV_PKT_FLAG_KEY;
+            for(size_t i = 0; i < self->num_recording_destinations; ++i) {
+                gsr_encoder_recording_destination *recording_destination = &self->recording_destinations[i];
+                if(recording_destination->codec_context != codec_context)
+                    continue;
+
+                if(is_keyframe)
+                    recording_destination->has_received_keyframe = true;
+                else if(!recording_destination->has_received_keyframe)
+                    continue;
+
+                av_packet->pts = pts - recording_destination->start_pts;
+                av_packet->dts = pts - recording_destination->start_pts;
+
+                av_packet_rescale_ts(av_packet, codec_context->time_base, recording_destination->stream->time_base);
+                // TODO: Is av_interleaved_write_frame needed?. Answer: might be needed for mkv but dont use it! it causes frames to be inconsistent, skipping frames and duplicating frames.
+                // TODO: av_interleaved_write_frame might be needed for cfr, or always for flv
+                const int ret = av_write_frame(recording_destination->format_context, av_packet);
+                if(ret < 0) {
+                    char error_buffer[AV_ERROR_MAX_STRING_SIZE];
+                    if(av_strerror(ret, error_buffer, sizeof(error_buffer)) < 0)
+                        snprintf(error_buffer, sizeof(error_buffer), "Unknown error");
+                    fprintf(stderr, "gsr error: gsr_encoder_receive_packets: failed to write frame index %d to muxer, reason: %s (%d)\n", av_packet->stream_index, error_buffer, ret);
+                }
+            }
+            pthread_mutex_unlock(&self->file_write_mutex);
+
+            av_packet_free(&av_packet);
+        } else if (res == AVERROR(EAGAIN)) { // we have no packet
+                                             // fprintf(stderr, "No packet!\n");
+            av_packet_free(&av_packet);
+            break;
+        } else if (res == AVERROR_EOF) { // this is the end of the stream
+            av_packet_free(&av_packet);
+            fprintf(stderr, "End of stream!\n");
+            break;
+        } else {
+            av_packet_free(&av_packet);
+            fprintf(stderr, "Unexpected error: %d\n", res);
+            break;
+        }
+    }
+}
+
+size_t gsr_encoder_add_recording_destination(gsr_encoder *self, AVCodecContext *codec_context, AVFormatContext *format_context, AVStream *stream, int64_t start_pts) {
+    if(self->num_recording_destinations >= GSR_MAX_RECORDING_DESTINATIONS) {
+        fprintf(stderr, "gsr error: gsr_encoder_add_recording_destination: failed to add destination, reached the max amount of recording destinations (%d)\n", GSR_MAX_RECORDING_DESTINATIONS);
+        return (size_t)-1;
+    }
+
+    for(size_t i = 0; i < self->num_recording_destinations; ++i) {
+        if(self->recording_destinations[i].stream == stream) {
+            fprintf(stderr, "gsr error: gsr_encoder_add_recording_destination: failed to add destination, the stream %p already exists as an output\n", (void*)stream);
+            return (size_t)-1;
+        }
+    }
+
+    pthread_mutex_lock(&self->file_write_mutex);
+    gsr_encoder_recording_destination *recording_destination = &self->recording_destinations[self->num_recording_destinations];
+    recording_destination->id = self->recording_destination_id_counter;
+    recording_destination->codec_context = codec_context;
+    recording_destination->format_context = format_context;
+    recording_destination->stream = stream;
+    recording_destination->start_pts = start_pts;
+    recording_destination->has_received_keyframe = false;
+
+    ++self->recording_destination_id_counter;
+    ++self->num_recording_destinations;
+    pthread_mutex_unlock(&self->file_write_mutex);
+
+    return recording_destination->id;
+}
+
+bool gsr_encoder_remove_recording_destination(gsr_encoder *self, size_t id) {
+    bool found = false;
+    pthread_mutex_lock(&self->file_write_mutex);
+    for(size_t i = 0; i < self->num_recording_destinations; ++i) {
+        if(self->recording_destinations[i].id == id) {
+            self->recording_destinations[i] = self->recording_destinations[self->num_recording_destinations - 1];
+            --self->num_recording_destinations;
+            found = true;
+            break;
+        }
+    }
+    pthread_mutex_unlock(&self->file_write_mutex);
+    return found;
+}

src/encoder/video/video.c

@@ -1,4 +1,5 @@
 #include "../../../include/encoder/video/video.h"
+
 #include <assert.h>
 
 bool gsr_video_encoder_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame) {
@@ -9,6 +10,12 @@ bool gsr_video_encoder_start(gsr_video_encoder *encoder, AVCodecContext *video_c
     return res;
 }
 
+void gsr_video_encoder_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context) {
+    assert(encoder->started);
+    encoder->started = false;
+    encoder->destroy(encoder, video_codec_context);
+}
+
 void gsr_video_encoder_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) {
     assert(encoder->started);
     if(encoder->copy_textures_to_frame)
@@ -19,8 +26,3 @@ void gsr_video_encoder_get_textures(gsr_video_encoder *encoder, unsigned int *te
     assert(encoder->started);
     encoder->get_textures(encoder, textures, num_textures, destination_color);
 }
-
-void gsr_video_encoder_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context) {
-    assert(encoder->started);
-    encoder->destroy(encoder, video_codec_context);
-}

src/encoder/video/vulkan.c

@@ -8,33 +8,22 @@
 
 //#include <vulkan/vulkan_core.h>
 
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT      0x9586
 #define GL_TEXTURE_TILING_EXT             0x9580
 #define GL_OPTIMAL_TILING_EXT             0x9584
 #define GL_LINEAR_TILING_EXT              0x9585
 
-#define GL_PIXEL_PACK_BUFFER              0x88EB
-#define GL_PIXEL_UNPACK_BUFFER            0x88EC
-#define GL_STREAM_READ                    0x88E1
-#define GL_STREAM_DRAW                    0x88E0
-#define GL_READ_ONLY                      0x88B8
-#define GL_WRITE_ONLY                     0x88B9
-#define GL_READ_FRAMEBUFFER               0x8CA8
-
 typedef struct {
     gsr_video_encoder_vulkan_params params;
     unsigned int target_textures[2];
     AVBufferRef *device_ctx;
-    AVVulkanDeviceContext* vv;
-    unsigned int pbo_y[2];
-    unsigned int pbo_uv[2];
-    AVFrame *sw_frame;
 } gsr_video_encoder_vulkan;
 
 static bool gsr_video_encoder_vulkan_setup_context(gsr_video_encoder_vulkan *self, AVCodecContext *video_codec_context) {
     AVDictionary *options = NULL;
     //av_dict_set(&options, "linear_images", "1", 0);
     //av_dict_set(&options, "disable_multiplane", "1", 0);
-
+#if 0
     // TODO: Use correct device
     if(av_hwdevice_ctx_create(&self->device_ctx, AV_HWDEVICE_TYPE_VULKAN, NULL, options, 0) < 0) {
         fprintf(stderr, "gsr error: gsr_video_encoder_vulkan_setup_context: failed to create hardware device context\n");
@@ -68,6 +57,7 @@ static bool gsr_video_encoder_vulkan_setup_context(gsr_video_encoder_vulkan *sel
 
     video_codec_context->hw_frames_ctx = av_buffer_ref(frame_context);
     av_buffer_unref(&frame_context);
+#endif
     return true;
 }
 
@@ -84,6 +74,24 @@ static AVVulkanDeviceContext* video_codec_context_get_vulkan_data(AVCodecContext
     return (AVVulkanDeviceContext*)device_context->hwctx;
 }
 
+static uint32_t get_memory_type_idx(VkPhysicalDevice pdev, const VkMemoryRequirements *mem_reqs, VkMemoryPropertyFlagBits prop_flags, PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties) {
+    VkPhysicalDeviceMemoryProperties pdev_mem_props;
+    uint32_t i;
+
+    vkGetPhysicalDeviceMemoryProperties(pdev, &pdev_mem_props);
+
+    for (i = 0; i < pdev_mem_props.memoryTypeCount; i++) {
+        const VkMemoryType *type = &pdev_mem_props.memoryTypes[i];
+
+        if ((mem_reqs->memoryTypeBits & (1 << i)) &&
+            (type->propertyFlags & prop_flags) == prop_flags) {
+            return i;
+            break;
+        }
+    }
+    return UINT32_MAX;
+}
+
 static bool gsr_video_encoder_vulkan_setup_textures(gsr_video_encoder_vulkan *self, AVCodecContext *video_codec_context, AVFrame *frame) {
     const int res = av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, frame, 0);
     if(res < 0) {
@@ -91,56 +99,133 @@ static bool gsr_video_encoder_vulkan_setup_textures(gsr_video_encoder_vulkan *se
         return false;
     }
 
-    //AVVkFrame *target_surface_id = (AVVkFrame*)frame->data[0];
-    self->vv = video_codec_context_get_vulkan_data(video_codec_context);
+    while(self->params.egl->glGetError()) {}
+#if 0
+    AVVkFrame *target_surface_id = (AVVkFrame*)frame->data[0];
+    AVVulkanDeviceContext* vv = video_codec_context_get_vulkan_data(video_codec_context);
+    const size_t luma_size = frame->width * frame->height;
+    if(vv) {
+        PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements = (PFN_vkGetImageMemoryRequirements)vv->get_proc_addr(vv->inst, "vkGetImageMemoryRequirements");
+        PFN_vkAllocateMemory vkAllocateMemory = (PFN_vkAllocateMemory)vv->get_proc_addr(vv->inst, "vkAllocateMemory");
+        PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties = (PFN_vkGetPhysicalDeviceMemoryProperties)vv->get_proc_addr(vv->inst, "vkGetPhysicalDeviceMemoryProperties");
+        PFN_vkGetMemoryFdKHR vkGetMemoryFdKHR = (PFN_vkGetMemoryFdKHR)vv->get_proc_addr(vv->inst, "vkGetMemoryFdKHR");
 
-    const unsigned int internal_formats_nv12[2] = { GL_RGBA8, GL_RGBA8 }; // TODO: GL_R8, GL_R16
-    const unsigned int internal_formats_p010[2] = { GL_R16, GL_RG16 };
-    const unsigned int formats[2] = { GL_RED, GL_RG };
-    const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size
+        VkMemoryRequirements mem_reqs = {0};
+        vkGetImageMemoryRequirements(vv->act_dev, target_surface_id->img[0], &mem_reqs);
+
+        fprintf(stderr, "size: %lu, alignment: %lu, memory bits: 0x%08x\n", mem_reqs.size, mem_reqs.alignment, mem_reqs.memoryTypeBits);
+        VkDeviceMemory mem;
+        {
+            VkExportMemoryAllocateInfo exp_mem_info;
+            VkMemoryAllocateInfo mem_alloc_info;
+            VkMemoryDedicatedAllocateInfoKHR ded_info;
+
+            memset(&exp_mem_info, 0, sizeof(exp_mem_info));
+            exp_mem_info.sType = VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO;
+            exp_mem_info.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
+            
+            memset(&ded_info, 0, sizeof(ded_info));
+            ded_info.sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO;
+            ded_info.image = target_surface_id->img[0];
+
+            exp_mem_info.pNext = &ded_info;
+
+            memset(&mem_alloc_info, 0, sizeof(mem_alloc_info));
+            mem_alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
+            mem_alloc_info.pNext = &exp_mem_info;
+            mem_alloc_info.allocationSize = target_surface_id->size[0];
+            mem_alloc_info.memoryTypeIndex = get_memory_type_idx(vv->phys_dev, &mem_reqs, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vkGetPhysicalDeviceMemoryProperties);
+
+            if (mem_alloc_info.memoryTypeIndex == UINT32_MAX) {
+                fprintf(stderr, "No suitable memory type index found.\n");
+                return VK_NULL_HANDLE;
+            }
+
+            if (vkAllocateMemory(vv->act_dev, &mem_alloc_info, 0, &mem) !=
+                VK_SUCCESS)
+                return VK_NULL_HANDLE;
+ 
+            fprintf(stderr, "memory: %p\n", (void*)mem);
 
-    for(int i = 0; i < 2; ++i) {
-        self->target_textures[i] = gl_create_texture(self->params.egl, video_codec_context->width / div[i], video_codec_context->height / div[i], self->params.color_depth == GSR_COLOR_DEPTH_8_BITS ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i], GL_NEAREST);
-        if(self->target_textures[i] == 0) {
-            fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_textures: failed to create opengl texture\n");
-            return false;
         }
-    }
 
-    self->params.egl->glGenBuffers(2, self->pbo_y);
+        fprintf(stderr, "target surface id: %p, %zu, %zu\n", (void*)target_surface_id->mem[0], target_surface_id->offset[0], target_surface_id->offset[1]);
+        fprintf(stderr, "vkGetMemoryFdKHR: %p\n", (void*)vkGetMemoryFdKHR);
 
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[0]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
+        int fd = 0;
+        VkMemoryGetFdInfoKHR fd_info;
+        memset(&fd_info, 0, sizeof(fd_info));
+        fd_info.sType = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR;
+        fd_info.memory = target_surface_id->mem[0];
+        fd_info.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
+        if(vkGetMemoryFdKHR(vv->act_dev, &fd_info, &fd) != VK_SUCCESS) {
+            fprintf(stderr, "failed!\n");
+        } else {
+            fprintf(stderr, "fd: %d\n", fd);
+        }
 
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[1]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
+        fprintf(stderr, "glImportMemoryFdEXT: %p, size: %zu\n", (void*)self->params.egl->glImportMemoryFdEXT, target_surface_id->size[0]);
+        const int tiling = target_surface_id->tiling == VK_IMAGE_TILING_LINEAR ? GL_LINEAR_TILING_EXT : GL_OPTIMAL_TILING_EXT;
 
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+        if(tiling != GL_OPTIMAL_TILING_EXT) {
+            fprintf(stderr, "tiling %d is not supported, only GL_OPTIMAL_TILING_EXT (%d) is supported\n", tiling, GL_OPTIMAL_TILING_EXT);
+        }
 
-    self->params.egl->glGenBuffers(2, self->pbo_uv);
 
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[0]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
+        unsigned int gl_memory_obj = 0;
+        self->params.egl->glCreateMemoryObjectsEXT(1, &gl_memory_obj);
 
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[1]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
+        //const int dedicated = GL_TRUE;
+        //self->params.egl->glMemoryObjectParameterivEXT(gl_memory_obj, GL_DEDICATED_MEMORY_OBJECT_EXT, &dedicated);
 
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+        self->params.egl->glImportMemoryFdEXT(gl_memory_obj, target_surface_id->size[0], GL_HANDLE_TYPE_OPAQUE_FD_EXT, fd);
+        if(!self->params.egl->glIsMemoryObjectEXT(gl_memory_obj))
+            fprintf(stderr, "failed to create object!\n");
 
-    self->sw_frame = av_frame_alloc();
-    self->sw_frame->format = AV_PIX_FMT_NV12;
-    self->sw_frame->width = frame->width;
-    self->sw_frame->height = frame->height;
+        fprintf(stderr, "gl memory obj: %u, error: %d\n", gl_memory_obj, self->params.egl->glGetError());
 
-    // TODO: Remove
-    if(av_frame_get_buffer(self->sw_frame, 0) < 0) {
-        fprintf(stderr, "failed to allocate sw frame\n");
-    }
+        // fprintf(stderr, "0 gl error: %d\n", self->params.egl->glGetError());
+        // unsigned int vertex_buffer = 0;
+        // self->params.egl->glGenBuffers(1, &vertex_buffer);
+        // self->params.egl->glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
+        // self->params.egl->glBufferStorageMemEXT(GL_ARRAY_BUFFER, target_surface_id->size[0], gl_memory_obj, target_surface_id->offset[0]);
+        // fprintf(stderr, "1 gl error: %d\n", self->params.egl->glGetError());
 
-    // TODO: Remove
-    if(av_frame_make_writable(self->sw_frame) < 0) {
-        fprintf(stderr, "failed to make writable\n");
-    }
+        // fprintf(stderr, "0 gl error: %d\n", self->params.egl->glGetError());
+        // unsigned int buffer = 0;
+        // self->params.egl->glCreateBuffers(1, &buffer);
+        // self->params.egl->glNamedBufferStorageMemEXT(buffer, target_surface_id->size[0], gl_memory_obj, target_surface_id->offset[0]);
+        // fprintf(stderr, "1 gl error: %d\n", self->params.egl->glGetError());
+
+        self->params.egl->glGenTextures(1, &self->target_textures[0]);
+        self->params.egl->glBindTexture(GL_TEXTURE_2D, self->target_textures[0]);
+
+        fprintf(stderr, "1 gl error: %d\n", self->params.egl->glGetError());
+        self->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_TILING_EXT, tiling);
+
+        fprintf(stderr, "tiling: %d\n", tiling);
+
+        fprintf(stderr, "2 gl error: %d\n", self->params.egl->glGetError());
+        self->params.egl->glTexStorageMem2DEXT(GL_TEXTURE_2D, 1, GL_R8, frame->width, frame->height, gl_memory_obj, target_surface_id->offset[0]);
+
+        fprintf(stderr, "3 gl error: %d\n", self->params.egl->glGetError());
+        self->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
+
+        self->params.egl->glGenTextures(1, &self->target_textures[1]);
+        self->params.egl->glBindTexture(GL_TEXTURE_2D, self->target_textures[1]);
+
+        fprintf(stderr, "1 gl error: %d\n", self->params.egl->glGetError());
+        self->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_TILING_EXT, tiling);
+
+        fprintf(stderr, "tiling: %d\n", tiling);
+
+        fprintf(stderr, "2 gl error: %d\n", self->params.egl->glGetError());
+        self->params.egl->glTexStorageMem2DEXT(GL_TEXTURE_2D, 1, GL_RG8, frame->width/2, frame->height/2, gl_memory_obj, target_surface_id->offset[0] + luma_size);
+
+        fprintf(stderr, "3 gl error: %d\n", self->params.egl->glGetError());
+        self->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
+     }
+#endif
     return true;
 }
 
@@ -185,91 +270,6 @@ void gsr_video_encoder_vulkan_stop(gsr_video_encoder_vulkan *self, AVCodecContex
         av_buffer_unref(&self->device_ctx);
 }
 
-static void nop_free(void *opaque, uint8_t *data) {
-
-}
-
-static void gsr_video_encoder_vulkan_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) {
-    gsr_video_encoder_vulkan *self = encoder->priv;
-
-    static int counter = 0;
-    ++counter;
-
-    // AVBufferRef *av_buffer_create(uint8_t *data, size_t size,
-    //                           void (*free)(void *opaque, uint8_t *data),
-    //                           void *opaque, int flags);
-
-    while(self->params.egl->glGetError()){}
-    self->params.egl->glBindFramebuffer(GL_READ_FRAMEBUFFER, color_conversion->framebuffers[0]);
-    //fprintf(stderr, "1 gl err: %d\n", self->params.egl->glGetError());
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[counter % 2]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
-    self->params.egl->glReadPixels(0, 0, frame->width, frame->height, GL_RED, GL_UNSIGNED_BYTE, 0);
-    //fprintf(stderr, "2 gl err: %d\n", self->params.egl->glGetError());
-
-    const int next_pbo_y = (counter + 1) % 2;
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[next_pbo_y]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
-    //fprintf(stderr, "3 gl err: %d\n", self->params.egl->glGetError());
-    uint8_t *ptr_y = (uint8_t*)self->params.egl->glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
-    //fprintf(stderr, "4 gl err: %d\n", self->params.egl->glGetError());
-    if(!ptr_y) {
-        fprintf(stderr, "failed to map buffer y!\n");
-    }
-
-    while(self->params.egl->glGetError()){}
-    self->params.egl->glBindFramebuffer(GL_READ_FRAMEBUFFER, color_conversion->framebuffers[1]);
-    //fprintf(stderr, "5 gl err: %d\n", self->params.egl->glGetError());
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[counter % 2]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
-    //fprintf(stderr, "5.5 gl err: %d\n", self->params.egl->glGetError());
-    self->params.egl->glReadPixels(0, 0, frame->width/2, frame->height/2, GL_RG, GL_UNSIGNED_BYTE, 0);
-    //fprintf(stderr, "6 gl err: %d\n", self->params.egl->glGetError());
-
-    const int next_pbo_uv = (counter + 1) % 2;
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[next_pbo_uv]);
-    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
-    //fprintf(stderr, "7 gl err: %d\n", self->params.egl->glGetError());
-    uint8_t *ptr_uv = (uint8_t*)self->params.egl->glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
-    //fprintf(stderr, "8 gl err: %d\n", self->params.egl->glGetError());
-    if(!ptr_uv) {
-        fprintf(stderr, "failed to map buffer uv!\n");
-    }
-
-    //self->sw_frame->buf[0] = av_buffer_create(ptr_y, 3840 * 2160, nop_free, NULL, 0);
-    //self->sw_frame->buf[1] = av_buffer_create(ptr_uv, 1920 * 1080 * 2, nop_free, NULL, 0);
-    //self->sw_frame->data[0] = self->sw_frame->buf[0]->data;
-    //self->sw_frame->data[1] = self->sw_frame->buf[1]->data;
-    //self->sw_frame->extended_data[0] = self->sw_frame->data[0];
-    //self->sw_frame->extended_data[1] = self->sw_frame->data[1];
-
-    self->sw_frame->data[0] = ptr_y;
-    self->sw_frame->data[1] = ptr_uv;
-
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
-    self->params.egl->glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
-
-    //self->params.egl->glBindTexture(GL_TEXTURE_2D, self->target_textures[1]);
-    //self->params.egl->glGetTexImage(GL_TEXTURE_2D, 0, GL_RG, GL_UNSIGNED_BYTE, sw_frame->data[1]);
-
-    //self->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-    int ret = av_hwframe_transfer_data(frame, self->sw_frame, 0);
-    if(ret < 0) {
-        fprintf(stderr, "transfer data failed, error: %s\n", av_err2str(ret));
-    }
-
-    //av_buffer_unref(&self->sw_frame->buf[0]);
-    //av_buffer_unref(&self->sw_frame->buf[1]);
-
-    //av_frame_free(&sw_frame);
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[next_pbo_y]);
-    self->params.egl->glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[next_pbo_uv]);
-    self->params.egl->glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
-    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
-}
-
 static void gsr_video_encoder_vulkan_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color) {
     gsr_video_encoder_vulkan *self = encoder->priv;
     textures[0] = self->target_textures[0];
@@ -299,7 +299,7 @@ gsr_video_encoder* gsr_video_encoder_vulkan_create(const gsr_video_encoder_vulka
 
     *encoder = (gsr_video_encoder) {
         .start = gsr_video_encoder_vulkan_start,
-        .copy_textures_to_frame = gsr_video_encoder_vulkan_copy_textures_to_frame,
+        .copy_textures_to_frame = NULL,
         .get_textures = gsr_video_encoder_vulkan_get_textures,
         .destroy = gsr_video_encoder_vulkan_destroy,
         .priv = encoder_vulkan

src/replay_buffer/replay_buffer.c

@@ -0,0 +1,91 @@
+#include "../../include/replay_buffer/replay_buffer.h"
+#include "../../include/replay_buffer/replay_buffer_ram.h"
+#include "../../include/replay_buffer/replay_buffer_disk.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+gsr_replay_buffer* gsr_replay_buffer_create(gsr_replay_storage replay_storage, const char *replay_directory, double replay_buffer_time, size_t replay_buffer_num_packets) {
+    gsr_replay_buffer *replay_buffer = NULL;
+    switch(replay_storage) {
+        case GSR_REPLAY_STORAGE_RAM:
+            replay_buffer = gsr_replay_buffer_ram_create(replay_buffer_num_packets);
+            break;
+        case GSR_REPLAY_STORAGE_DISK:
+            replay_buffer = gsr_replay_buffer_disk_create(replay_directory, replay_buffer_time);
+            break;
+    }
+
+    replay_buffer->mutex_initialized = false;
+    replay_buffer->original_replay_buffer = NULL;
+    if(pthread_mutex_init(&replay_buffer->mutex, NULL) != 0) {
+        gsr_replay_buffer_destroy(replay_buffer);
+        return NULL;
+    }
+
+    replay_buffer->mutex_initialized = true;
+    return replay_buffer;
+}
+
+void gsr_replay_buffer_destroy(gsr_replay_buffer *self) {
+    self->destroy(self);
+    if(self->mutex_initialized && !self->original_replay_buffer) {
+        pthread_mutex_destroy(&self->mutex);
+        self->mutex_initialized = false;
+    }
+    self->original_replay_buffer = NULL;
+    free(self);
+}
+
+void gsr_replay_buffer_lock(gsr_replay_buffer *self) {
+    if(self->original_replay_buffer) {
+        gsr_replay_buffer_lock(self->original_replay_buffer);
+        return;
+    }
+
+    if(self->mutex_initialized)
+        pthread_mutex_lock(&self->mutex);
+}
+
+void gsr_replay_buffer_unlock(gsr_replay_buffer *self) {
+    if(self->original_replay_buffer) {
+        gsr_replay_buffer_unlock(self->original_replay_buffer);
+        return;
+    }
+
+    if(self->mutex_initialized)
+        pthread_mutex_unlock(&self->mutex);
+}
+
+bool gsr_replay_buffer_append(gsr_replay_buffer *self, const AVPacket *av_packet, double timestamp) {
+    return self->append(self, av_packet, timestamp);
+}
+
+void gsr_replay_buffer_clear(gsr_replay_buffer *self) {
+    self->clear(self);
+}
+
+AVPacket* gsr_replay_buffer_iterator_get_packet(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator) {
+    return self->iterator_get_packet(self, iterator);
+}
+
+uint8_t* gsr_replay_buffer_iterator_get_packet_data(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator) {
+    return self->iterator_get_packet_data(self, iterator);
+}
+
+gsr_replay_buffer* gsr_replay_buffer_clone(gsr_replay_buffer *self) {
+    return self->clone(self);
+}
+
+gsr_replay_buffer_iterator gsr_replay_buffer_find_packet_index_by_time_passed(gsr_replay_buffer *self, int seconds) {
+    return self->find_packet_index_by_time_passed(self, seconds);
+}
+
+gsr_replay_buffer_iterator gsr_replay_buffer_find_keyframe(gsr_replay_buffer *self, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index) {
+    return self->find_keyframe(self, start_iterator, stream_index, invert_stream_index);
+}
+
+bool gsr_replay_buffer_iterator_next(gsr_replay_buffer *self, gsr_replay_buffer_iterator *iterator) {
+    return self->iterator_next(self, iterator);
+}

src/replay_buffer/replay_buffer_disk.c

@@ -0,0 +1,437 @@
+#include "../../include/replay_buffer/replay_buffer_disk.h"
+#include "../../include/utils.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+#include <errno.h>
+#include <assert.h>
+
+#define REPLAY_BUFFER_FILE_SIZE_BYTES 1024 * 1024 * 256 /* 256MB */
+#define FILE_PREFIX "Replay"
+
+static void gsr_replay_buffer_disk_set_impl_funcs(gsr_replay_buffer_disk *self);
+
+static void gsr_av_packet_disk_init(gsr_av_packet_disk *self, const AVPacket *av_packet, size_t data_index, double timestamp) {
+    self->packet = *av_packet;
+    self->packet.data = NULL;
+    self->data_index = data_index;
+    self->timestamp = timestamp;
+}
+
+static gsr_replay_buffer_file* gsr_replay_buffer_file_create(char *replay_directory, size_t replay_storage_counter, double timestamp, int *replay_storage_fd) {
+    gsr_replay_buffer_file *self = calloc(1, sizeof(gsr_replay_buffer_file));
+    if(!self) {
+        fprintf(stderr, "gsr error: gsr_av_packet_file_init: failed to create buffer file\n");
+        return NULL;
+    }
+
+    if(create_directory_recursive(replay_directory) != 0) {
+        fprintf(stderr, "gsr error: gsr_av_packet_file_init: failed to create replay directory: %s\n", replay_directory);
+        free(self);
+        return NULL;
+    }
+
+    char filename[PATH_MAX];
+    snprintf(filename, sizeof(filename), "%s/%s_%d.gsr", replay_directory, FILE_PREFIX, (int)replay_storage_counter);
+    *replay_storage_fd = creat(filename, 0700);
+    if(*replay_storage_fd <= 0) {
+        fprintf(stderr, "gsr error: gsr_av_packet_file_init: failed to create replay file: %s\n", filename);
+        free(self);
+        return NULL;
+    }
+
+    self->id = replay_storage_counter;
+    self->start_timestamp = timestamp;
+    self->end_timestamp = timestamp;
+    self->ref_counter = 1;
+    self->fd = -1;
+
+    self->packets = NULL;
+    self->capacity_num_packets = 0;
+    self->num_packets = 0;
+    return self;
+}
+
+static gsr_replay_buffer_file* gsr_replay_buffer_file_ref(gsr_replay_buffer_file *self) {
+    if(self->ref_counter >= 1)
+        ++self->ref_counter;
+    return self;
+}
+
+static void gsr_replay_buffer_file_free(gsr_replay_buffer_file *self, const char *replay_directory) {
+    self->ref_counter = 0;
+
+    if(self->fd > 0) {
+        close(self->fd);
+        self->fd = -1;
+    }
+
+    char filename[PATH_MAX];
+    snprintf(filename, sizeof(filename), "%s/%s_%d.gsr", replay_directory, FILE_PREFIX, (int)self->id);
+    remove(filename);
+
+    if(self->packets) {
+        free(self->packets);
+        self->packets = NULL;
+    }
+    self->num_packets = 0;
+    self->capacity_num_packets = 0;
+
+    free(self);
+}
+
+static void gsr_replay_buffer_file_unref(gsr_replay_buffer_file *self, const char *replay_directory) {
+    if(self->ref_counter > 0)
+        --self->ref_counter;
+
+    if(self->ref_counter <= 0)
+        gsr_replay_buffer_file_free(self, replay_directory);
+}
+
+static void gsr_replay_buffer_disk_clear(gsr_replay_buffer *replay_buffer) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+
+    for(size_t i = 0; i < self->num_files; ++i) {
+        gsr_replay_buffer_file_unref(self->files[i], self->replay_directory);
+    }
+    self->num_files = 0;
+
+    if(self->storage_fd > 0) {
+        close(self->storage_fd);
+        self->storage_fd = 0;
+    }
+
+    self->storage_num_bytes_written = 0;
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+}
+
+static void gsr_replay_buffer_disk_destroy(gsr_replay_buffer *replay_buffer) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    gsr_replay_buffer_disk_clear(replay_buffer);
+
+    if(self->owns_directory) {
+        remove(self->replay_directory);
+        self->owns_directory = false;
+    }
+}
+
+static bool file_write_all(int fd, const uint8_t *data, size_t size, size_t *bytes_written_total) {
+    *bytes_written_total = 0;
+    while(*bytes_written_total < size) {
+        const ssize_t bytes_written = write(fd, data + *bytes_written_total, size - *bytes_written_total);
+        if(bytes_written == -1) {
+            if(errno == EAGAIN)
+                continue;
+            else
+                return false;
+        }
+        *bytes_written_total += bytes_written;
+    }
+    return true;
+}
+
+static bool gsr_replay_buffer_disk_create_next_file(gsr_replay_buffer_disk *self, double timestamp) {
+    if(self->num_files + 1 >= GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES) {
+        fprintf(stderr, "gsr error: gsr_replay_buffer_disk_create_next_file: too many replay buffer files created! (> %d), either reduce the replay buffer time or report this as a bug\n", (int)GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES);
+        return false;
+    }
+
+    gsr_replay_buffer_file *replay_buffer_file = gsr_replay_buffer_file_create(self->replay_directory, self->storage_counter, timestamp, &self->storage_fd);
+    if(!replay_buffer_file)
+        return false;
+
+    self->files[self->num_files] = replay_buffer_file;
+    ++self->num_files;
+    ++self->storage_counter;
+    return true;
+}
+
+static bool gsr_replay_buffer_disk_append_to_current_file(gsr_replay_buffer_disk *self, const AVPacket *av_packet, double timestamp) {
+    gsr_replay_buffer_file *replay_buffer_file = self->files[self->num_files - 1];
+    replay_buffer_file->end_timestamp = timestamp;
+
+    if(replay_buffer_file->num_packets + 1 >= replay_buffer_file->capacity_num_packets) {
+        size_t new_capacity_num_packets = replay_buffer_file->capacity_num_packets * 2;
+        if(new_capacity_num_packets == 0)
+            new_capacity_num_packets = 256;
+
+        void *new_packets = realloc(replay_buffer_file->packets, new_capacity_num_packets * sizeof(gsr_av_packet_disk));
+        if(!new_packets) {
+            fprintf(stderr, "gsr error: gsr_replay_buffer_disk_append_to_current_file: failed to reallocate replay buffer file packets\n");
+            return false;
+        }
+
+        replay_buffer_file->capacity_num_packets = new_capacity_num_packets;
+        replay_buffer_file->packets = new_packets;
+    }
+
+    gsr_av_packet_disk *packet = &replay_buffer_file->packets[replay_buffer_file->num_packets];
+    gsr_av_packet_disk_init(packet, av_packet, self->storage_num_bytes_written, timestamp);
+    ++replay_buffer_file->num_packets;
+
+    size_t bytes_written = 0;
+    const bool file_written = file_write_all(self->storage_fd, av_packet->data, av_packet->size, &bytes_written);
+    self->storage_num_bytes_written += bytes_written;
+    if(self->storage_num_bytes_written >= REPLAY_BUFFER_FILE_SIZE_BYTES) {
+        self->storage_num_bytes_written = 0;
+        close(self->storage_fd);
+        self->storage_fd = 0;
+    }
+
+    return file_written;
+}
+
+static void gsr_replay_buffer_disk_remove_first_file(gsr_replay_buffer_disk *self) {
+    gsr_replay_buffer_file_unref(self->files[0], self->replay_directory);
+    for(size_t i = 1; i < self->num_files; ++i) {
+        self->files[i - 1] = self->files[i];
+    }
+    --self->num_files;
+}
+
+static bool gsr_replay_buffer_disk_append(gsr_replay_buffer *replay_buffer, const AVPacket *av_packet, double timestamp) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    bool success = false;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+
+    if(self->storage_fd <= 0) {
+        if(!gsr_replay_buffer_disk_create_next_file(self, timestamp))
+            goto done;
+    }
+
+    const bool data_written = gsr_replay_buffer_disk_append_to_current_file(self, av_packet, timestamp);
+
+    if(self->num_files > 1) {
+        const double buffer_time_accumulated = timestamp - self->files[1]->start_timestamp;
+        if(buffer_time_accumulated >= self->replay_buffer_time)
+            gsr_replay_buffer_disk_remove_first_file(self);
+    }
+
+    success = data_written;
+
+    done:
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return success;
+}
+
+static AVPacket* gsr_replay_buffer_disk_iterator_get_packet(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator iterator) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    assert(iterator.file_index < self->num_files);
+    assert(iterator.packet_index < self->files[iterator.file_index]->num_packets);
+    return &self->files[iterator.file_index]->packets[iterator.packet_index].packet;
+}
+
+static uint8_t* gsr_replay_buffer_disk_iterator_get_packet_data(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator iterator) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    assert(iterator.file_index < self->num_files);
+    gsr_replay_buffer_file *file = self->files[iterator.file_index];
+    assert(iterator.packet_index < file->num_packets);
+
+    if(file->fd <= 0) {
+        char filename[PATH_MAX];
+        snprintf(filename, sizeof(filename), "%s/%s_%d.gsr", self->replay_directory, FILE_PREFIX, (int)file->id);
+        file->fd = open(filename, O_RDONLY);
+        if(file->fd <= 0) {
+            fprintf(stderr, "gsr error: gsr_replay_buffer_disk_iterator_get_packet_data: failed to open file\n");
+            return NULL;
+        }
+    }
+
+    const gsr_av_packet_disk *packet = &self->files[iterator.file_index]->packets[iterator.packet_index];
+    if(lseek(file->fd, packet->data_index, SEEK_SET) == -1) {
+        fprintf(stderr, "gsr error: gsr_replay_buffer_disk_iterator_get_packet_data: failed to seek\n");
+        return NULL;
+    }
+
+    uint8_t *packet_data = malloc(packet->packet.size);
+    if(read(file->fd, packet_data, packet->packet.size) != packet->packet.size) {
+        fprintf(stderr, "gsr error: gsr_replay_buffer_disk_iterator_get_packet_data: failed to read data from file\n");
+        free(packet_data);
+        return NULL;
+    }
+
+    return packet_data;
+}
+
+static gsr_replay_buffer* gsr_replay_buffer_disk_clone(gsr_replay_buffer *replay_buffer) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    gsr_replay_buffer_disk *destination = calloc(1, sizeof(gsr_replay_buffer_disk));
+    if(!destination)
+        return NULL;
+
+    gsr_replay_buffer_disk_set_impl_funcs(destination);
+    gsr_replay_buffer_lock(&self->replay_buffer);
+
+    destination->replay_buffer.original_replay_buffer = replay_buffer;
+    destination->replay_buffer.mutex = self->replay_buffer.mutex;
+    destination->replay_buffer.mutex_initialized = self->replay_buffer.mutex_initialized;
+    destination->replay_buffer_time = self->replay_buffer_time;
+    destination->storage_counter = self->storage_counter;
+    destination->storage_num_bytes_written = self->storage_num_bytes_written;
+    destination->storage_fd = 0; // We only want to read from the clone. If there is a need to write to it in the future then TODO change this
+
+    for(size_t i = 0; i < self->num_files; ++i) {
+        destination->files[i] = gsr_replay_buffer_file_ref(self->files[i]);
+    }
+    destination->num_files = self->num_files;
+
+    snprintf(destination->replay_directory, sizeof(destination->replay_directory), "%s", self->replay_directory);
+    destination->owns_directory = false;
+
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return (gsr_replay_buffer*)destination;
+}
+
+/* Binary search */
+static size_t gsr_replay_buffer_file_find_packet_index_by_time_passed(const gsr_replay_buffer_file *self, int seconds) {
+    const double now = clock_get_monotonic_seconds();
+    if(self->num_packets == 0) {
+        return 0;
+    }
+
+    size_t lower_bound = 0;
+    size_t upper_bound = self->num_packets;
+    size_t index = 0;
+
+    for(;;) {
+        index = lower_bound + (upper_bound - lower_bound) / 2;
+        const gsr_av_packet_disk *packet = &self->packets[index];
+        const double time_passed_since_packet = now - packet->timestamp;
+        if(time_passed_since_packet >= seconds) {
+            if(lower_bound == index)
+                break;
+            lower_bound = index;
+        } else {
+            if(upper_bound == index)
+                break;
+            upper_bound = index;
+        }
+    }
+
+    return index;
+}
+
+/* Binary search */
+static gsr_replay_buffer_iterator gsr_replay_buffer_disk_find_file_index_by_time_passed(gsr_replay_buffer *replay_buffer, int seconds) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+
+    const double now = clock_get_monotonic_seconds();
+    if(self->num_files == 0) {
+        gsr_replay_buffer_unlock(&self->replay_buffer);
+        return (gsr_replay_buffer_iterator){0, 0};
+    }
+
+    size_t lower_bound = 0;
+    size_t upper_bound = self->num_files;
+    size_t file_index = 0;
+
+    for(;;) {
+        file_index = lower_bound + (upper_bound - lower_bound) / 2;
+        const gsr_replay_buffer_file *file = self->files[file_index];
+        const double time_passed_since_file_start = now - file->start_timestamp;
+        const double time_passed_since_file_end = now - file->end_timestamp;
+        if(time_passed_since_file_start >= seconds && time_passed_since_file_end <= seconds) {
+            break;
+        } else if(time_passed_since_file_start >= seconds) {
+            if(lower_bound == file_index)
+                break;
+            lower_bound = file_index;
+        } else {
+            if(upper_bound == file_index)
+                break;
+            upper_bound = file_index;
+        }
+    }
+
+    const gsr_replay_buffer_file *file = self->files[file_index];
+    const size_t packet_index = gsr_replay_buffer_file_find_packet_index_by_time_passed(file, seconds);
+
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return (gsr_replay_buffer_iterator){packet_index, file_index};
+}
+
+static gsr_replay_buffer_iterator gsr_replay_buffer_disk_find_keyframe(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    gsr_replay_buffer_iterator keyframe_iterator = {(size_t)-1, 0};
+    gsr_replay_buffer_lock(&self->replay_buffer);
+    size_t packet_index = start_iterator.packet_index;
+    for(size_t file_index = start_iterator.file_index; file_index < self->num_files; ++file_index) {
+        const gsr_replay_buffer_file *file = self->files[file_index];
+        for(; packet_index < file->num_packets; ++packet_index) {
+            const gsr_av_packet_disk *packet = &file->packets[packet_index];
+            if((packet->packet.flags & AV_PKT_FLAG_KEY) && (invert_stream_index ? packet->packet.stream_index != stream_index : packet->packet.stream_index == stream_index)) {
+                keyframe_iterator.packet_index = packet_index;
+                keyframe_iterator.file_index = file_index;
+                goto done;
+            }
+        }
+        packet_index = 0;
+    }
+    done:
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return keyframe_iterator;
+}
+
+static bool gsr_replay_buffer_disk_iterator_next(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator *iterator) {
+    gsr_replay_buffer_disk *self = (gsr_replay_buffer_disk*)replay_buffer;
+    if(iterator->file_index >= self->num_files)
+        return false;
+
+    if(iterator->packet_index + 1 >= self->files[iterator->file_index]->num_packets) {
+        if(iterator->file_index + 1 >= self->num_files)
+            return false;
+
+        if(self->files[iterator->file_index + 1]->num_packets == 0)
+            return false;
+
+        ++iterator->file_index;
+        iterator->packet_index = 0;
+        return true;
+    } else {
+        ++iterator->packet_index;
+        return true;
+    }
+}
+
+static void get_current_time(char *time_str, size_t time_str_size) {
+    time_t now = time(NULL);
+    struct tm *t = localtime(&now);
+    strftime(time_str, time_str_size - 1, "%Y-%m-%d_%H-%M-%S", t);
+}
+
+static void gsr_replay_buffer_disk_set_impl_funcs(gsr_replay_buffer_disk *self) {
+    self->replay_buffer.destroy = gsr_replay_buffer_disk_destroy;
+    self->replay_buffer.append = gsr_replay_buffer_disk_append;
+    self->replay_buffer.clear = gsr_replay_buffer_disk_clear;
+    self->replay_buffer.iterator_get_packet = gsr_replay_buffer_disk_iterator_get_packet;
+    self->replay_buffer.iterator_get_packet_data = gsr_replay_buffer_disk_iterator_get_packet_data;
+    self->replay_buffer.clone = gsr_replay_buffer_disk_clone;
+    self->replay_buffer.find_packet_index_by_time_passed = gsr_replay_buffer_disk_find_file_index_by_time_passed;
+    self->replay_buffer.find_keyframe = gsr_replay_buffer_disk_find_keyframe;
+    self->replay_buffer.iterator_next = gsr_replay_buffer_disk_iterator_next;
+}
+
+gsr_replay_buffer* gsr_replay_buffer_disk_create(const char *replay_directory, double replay_buffer_time) {
+    assert(replay_buffer_time > 0);
+    gsr_replay_buffer_disk *replay_buffer = calloc(1, sizeof(gsr_replay_buffer_disk));
+    if(!replay_buffer)
+        return NULL;
+
+    char time_str[128];
+    get_current_time(time_str, sizeof(time_str));
+
+    replay_buffer->num_files = 0;
+    replay_buffer->storage_counter = 0;
+    replay_buffer->replay_buffer_time = replay_buffer_time;
+    snprintf(replay_buffer->replay_directory, sizeof(replay_buffer->replay_directory), "%s/gsr-replay-%s.gsr", replay_directory, time_str);
+    replay_buffer->owns_directory = true;
+
+    gsr_replay_buffer_disk_set_impl_funcs(replay_buffer);
+    return (gsr_replay_buffer*)replay_buffer;
+}

src/replay_buffer/replay_buffer_ram.c

@@ -0,0 +1,256 @@
+#include "../../include/replay_buffer/replay_buffer_ram.h"
+#include "../../include/utils.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <libavutil/mem.h>
+
+static void gsr_replay_buffer_ram_set_impl_funcs(gsr_replay_buffer_ram *self);
+
+static gsr_av_packet_ram* gsr_av_packet_ram_create(const AVPacket *av_packet, double timestamp) {
+    gsr_av_packet_ram *self = malloc(sizeof(gsr_av_packet_ram));
+    if(!self)
+        return NULL;
+
+    self->ref_counter = 1;
+    self->packet = *av_packet;
+    self->timestamp = timestamp;
+    // Why are we doing this you ask? there is a ffmpeg bug that causes cpu usage to increase over time when you have
+    // packets that are not being free'd until later. So we copy the packet data, free the packet and then reconstruct
+    // the packet later on when we need it, to keep packets alive only for a short period.
+    self->packet.data = av_memdup(av_packet->data, av_packet->size);
+    if(!self->packet.data) {
+        free(self);
+        return NULL;
+    }
+
+    return self;
+}
+
+static gsr_av_packet_ram* gsr_av_packet_ram_ref(gsr_av_packet_ram *self) {
+    if(self->ref_counter >= 1)
+        ++self->ref_counter;
+    return self;
+}
+
+static void gsr_av_packet_ram_free(gsr_av_packet_ram *self) {
+    self->ref_counter = 0;
+    if(self->packet.data) {
+        av_free(self->packet.data);
+        self->packet.data = NULL;
+    }
+    free(self);
+}
+
+static void gsr_av_packet_ram_unref(gsr_av_packet_ram *self) {
+    if(self->ref_counter >= 1)
+        --self->ref_counter;
+
+    if(self->ref_counter <= 0)
+        gsr_av_packet_ram_free(self);
+}
+
+static void gsr_replay_buffer_ram_destroy(gsr_replay_buffer *replay_buffer) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+    for(size_t i = 0; i < self->num_packets; ++i) {
+        if(self->packets[i]) {
+            gsr_av_packet_ram_unref(self->packets[i]);
+            self->packets[i] = NULL;
+        }
+    }
+    self->num_packets = 0;
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+
+    if(self->packets) {
+        free(self->packets);
+        self->packets = NULL;
+    }
+
+    self->capacity_num_packets = 0;
+    self->index = 0;
+}
+
+static bool gsr_replay_buffer_ram_append(gsr_replay_buffer *replay_buffer, const AVPacket *av_packet, double timestamp) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+    gsr_av_packet_ram *packet = gsr_av_packet_ram_create(av_packet, timestamp);
+    if(!packet) {
+        gsr_replay_buffer_unlock(&self->replay_buffer);
+        return false;
+    }
+
+    if(self->packets[self->index]) {
+        gsr_av_packet_ram_unref(self->packets[self->index]);
+        self->packets[self->index] = NULL;
+    }
+    self->packets[self->index] = packet;
+
+    self->index = (self->index + 1) % self->capacity_num_packets;
+    ++self->num_packets;
+    if(self->num_packets > self->capacity_num_packets)
+        self->num_packets = self->capacity_num_packets;
+
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return true;
+}
+
+static void gsr_replay_buffer_ram_clear(gsr_replay_buffer *replay_buffer) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+    for(size_t i = 0; i < self->num_packets; ++i) {
+        if(self->packets[i]) {
+            gsr_av_packet_ram_unref(self->packets[i]);
+            self->packets[i] = NULL;
+        }
+    }
+    self->num_packets = 0;
+    self->index = 0;
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+}
+
+static gsr_av_packet_ram* gsr_replay_buffer_ram_get_packet_at_index(gsr_replay_buffer *replay_buffer, size_t index) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    assert(index < self->num_packets);
+    size_t start_index = 0;
+    if(self->num_packets < self->capacity_num_packets)
+        start_index = self->num_packets - self->index;
+    else
+        start_index = self->index;
+
+    const size_t offset = (start_index + index) % self->capacity_num_packets;
+    return self->packets[offset];
+}
+
+static AVPacket* gsr_replay_buffer_ram_iterator_get_packet(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator iterator) {
+    return &gsr_replay_buffer_ram_get_packet_at_index(replay_buffer, iterator.packet_index)->packet;
+}
+
+static uint8_t* gsr_replay_buffer_ram_iterator_get_packet_data(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator iterator) {
+    (void)replay_buffer;
+    (void)iterator;
+    return NULL;
+}
+
+static gsr_replay_buffer* gsr_replay_buffer_ram_clone(gsr_replay_buffer *replay_buffer) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    gsr_replay_buffer_ram *destination = calloc(1, sizeof(gsr_replay_buffer_ram));
+    if(!destination)
+        return NULL;
+
+    gsr_replay_buffer_ram_set_impl_funcs(destination);
+    gsr_replay_buffer_lock(&self->replay_buffer);
+
+    destination->replay_buffer.original_replay_buffer = replay_buffer;
+    destination->replay_buffer.mutex = self->replay_buffer.mutex;
+    destination->replay_buffer.mutex_initialized = self->replay_buffer.mutex_initialized;
+    destination->capacity_num_packets = self->capacity_num_packets;
+    destination->index = self->index;
+    destination->packets = calloc(destination->capacity_num_packets, sizeof(gsr_av_packet_ram*));
+    if(!destination->packets) {
+        free(destination);
+        gsr_replay_buffer_unlock(&self->replay_buffer);
+        return NULL;
+    }
+
+    destination->num_packets = self->num_packets;
+    for(size_t i = 0; i < destination->num_packets; ++i) {
+        destination->packets[i] = gsr_av_packet_ram_ref(self->packets[i]);
+    }
+
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return (gsr_replay_buffer*)destination;
+}
+
+/* Binary search */
+static gsr_replay_buffer_iterator gsr_replay_buffer_ram_find_packet_index_by_time_passed(gsr_replay_buffer *replay_buffer, int seconds) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+
+    const double now = clock_get_monotonic_seconds();
+    if(self->num_packets == 0) {
+        gsr_replay_buffer_unlock(&self->replay_buffer);
+        return (gsr_replay_buffer_iterator){0, 0};
+    }
+
+    size_t lower_bound = 0;
+    size_t upper_bound = self->num_packets;
+    size_t index = 0;
+
+    for(;;) {
+        index = lower_bound + (upper_bound - lower_bound) / 2;
+        const gsr_av_packet_ram *packet = gsr_replay_buffer_ram_get_packet_at_index(replay_buffer, index);
+        const double time_passed_since_packet = now - packet->timestamp;
+        if(time_passed_since_packet >= seconds) {
+            if(lower_bound == index)
+                break;
+            lower_bound = index;
+        } else {
+            if(upper_bound == index)
+                break;
+            upper_bound = index;
+        }
+    }
+
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return (gsr_replay_buffer_iterator){index, 0};
+}
+
+static gsr_replay_buffer_iterator gsr_replay_buffer_ram_find_keyframe(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    size_t keyframe_index = (size_t)-1;
+    gsr_replay_buffer_lock(&self->replay_buffer);
+    for(size_t i = start_iterator.packet_index; i < self->num_packets; ++i) {
+        const gsr_av_packet_ram *packet = gsr_replay_buffer_ram_get_packet_at_index(replay_buffer, i);
+        if((packet->packet.flags & AV_PKT_FLAG_KEY) && (invert_stream_index ? packet->packet.stream_index != stream_index : packet->packet.stream_index == stream_index)) {
+            keyframe_index = i;
+            break;
+        }
+    }
+    gsr_replay_buffer_unlock(&self->replay_buffer);
+    return (gsr_replay_buffer_iterator){keyframe_index, 0};
+}
+
+static bool gsr_replay_buffer_ram_iterator_next(gsr_replay_buffer *replay_buffer, gsr_replay_buffer_iterator *iterator) {
+    gsr_replay_buffer_ram *self = (gsr_replay_buffer_ram*)replay_buffer;
+    if(iterator->packet_index + 1 < self->num_packets) {
+        ++iterator->packet_index;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+static void gsr_replay_buffer_ram_set_impl_funcs(gsr_replay_buffer_ram *self) {
+    self->replay_buffer.destroy = gsr_replay_buffer_ram_destroy;
+    self->replay_buffer.append = gsr_replay_buffer_ram_append;
+    self->replay_buffer.clear = gsr_replay_buffer_ram_clear;
+    self->replay_buffer.iterator_get_packet = gsr_replay_buffer_ram_iterator_get_packet;
+    self->replay_buffer.iterator_get_packet_data = gsr_replay_buffer_ram_iterator_get_packet_data;
+    self->replay_buffer.clone = gsr_replay_buffer_ram_clone;
+    self->replay_buffer.find_packet_index_by_time_passed = gsr_replay_buffer_ram_find_packet_index_by_time_passed;
+    self->replay_buffer.find_keyframe = gsr_replay_buffer_ram_find_keyframe;
+    self->replay_buffer.iterator_next = gsr_replay_buffer_ram_iterator_next;
+}
+
+gsr_replay_buffer* gsr_replay_buffer_ram_create(size_t replay_buffer_num_packets) {
+    assert(replay_buffer_num_packets > 0);
+    gsr_replay_buffer_ram *replay_buffer = calloc(1, sizeof(gsr_replay_buffer_ram));
+    if(!replay_buffer)
+        return NULL;
+
+    replay_buffer->capacity_num_packets = replay_buffer_num_packets;
+    replay_buffer->num_packets = 0;
+    replay_buffer->index = 0;
+    replay_buffer->packets = calloc(replay_buffer->capacity_num_packets, sizeof(gsr_av_packet_ram*));
+    if(!replay_buffer->packets) {
+        gsr_replay_buffer_ram_destroy(&replay_buffer->replay_buffer);
+        free(replay_buffer);
+        return NULL;
+    }
+
+    gsr_replay_buffer_ram_set_impl_funcs(replay_buffer);
+    return (gsr_replay_buffer*)replay_buffer;
+}

src/shader.c

@@ -28,7 +28,7 @@ static unsigned int load_shader(gsr_egl *egl, unsigned int type, const char *sou
         if(info_length > 1 && print_compile_errors) {
             char info_log[4096];
             egl->glGetShaderInfoLog(shader_id, min_int(4096, info_length), NULL, info_log);
-            fprintf(stderr, "gsr error: loader shader: failed to compile shader, error:\n%s\nshader source:\n%s\n", info_log, source);
+            fprintf(stderr, "gsr error: load_shader: failed to compile shader, error:\n%s\nshader source:\n%s\n", info_log, source);
         }
 
         egl->glDeleteShader(shader_id);

src/utils.c

@@ -362,13 +362,9 @@ bool gl_get_gpu_info(gsr_egl *egl, gsr_gpu_info *info) {
     bool supported = true;
     const unsigned char *gl_vendor = egl->glGetString(GL_VENDOR);
     const unsigned char *gl_renderer = egl->glGetString(GL_RENDERER);
-    const unsigned char *gl_version = egl->glGetString(GL_VERSION);
 
     info->gpu_version = 0;
     info->is_steam_deck = false;
-    info->driver_major = 0;
-    info->driver_minor = 0;
-    info->driver_patch = 0;
 
     if(!gl_vendor) {
         fprintf(stderr, "gsr error: failed to get gpu vendor\n");
@@ -408,21 +404,6 @@ bool gl_get_gpu_info(gsr_egl *egl, gsr_gpu_info *info) {
         info->is_steam_deck = strstr((const char*)gl_renderer, "vangogh") != NULL;
     }
 
-    if(gl_version) {
-        const char *mesa_p = strstr((const char*)gl_version, "Mesa ");
-        if(mesa_p) {
-            mesa_p += 5;
-            int major = 0;
-            int minor = 0;
-            int patch = 0;
-            if(sscanf(mesa_p, "%d.%d.%d", &major, &minor, &patch) == 3) {
-                info->driver_major = major;
-                info->driver_minor = minor;
-                info->driver_patch = patch;
-            }
-        }
-    }
-
     end:
     return supported;
 }

src/window/wayland.c

@@ -26,11 +26,11 @@ typedef struct {
 } gsr_wayland_output;
 
 struct gsr_window_wayland {
-    void *display;
-    void *window;
-    void *registry;
-    void *surface;
-    void *compositor;
+    struct wl_display *display;
+    struct wl_egl_window *window;
+    struct wl_registry *registry;
+    struct wl_surface *surface;
+    struct wl_compositor *compositor;
     gsr_wayland_output outputs[GSR_MAX_OUTPUTS];
     int num_outputs;
     struct zxdg_output_manager_v1 *xdg_output_manager;
@@ -101,10 +101,9 @@ static void registry_add_object(void *data, struct wl_registry *registry, uint32
     (void)version;
     gsr_window_wayland *window_wayland = data;
     if(strcmp(interface, "wl_compositor") == 0) {
-        if(window_wayland->compositor) {
-            wl_compositor_destroy(window_wayland->compositor);
-            window_wayland->compositor = NULL;
-        }
+        if(window_wayland->compositor)
+            return;
+
         window_wayland->compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1);
     } else if(strcmp(interface, wl_output_interface.name) == 0) {
         if(version < 4) {
@@ -134,10 +133,9 @@ static void registry_add_object(void *data, struct wl_registry *registry, uint32
             return;
         }
 
-        if(window_wayland->xdg_output_manager) {
-            zxdg_output_manager_v1_destroy(window_wayland->xdg_output_manager);
-            window_wayland->xdg_output_manager = NULL;
-        }
+        if(window_wayland->xdg_output_manager)
+            return;
+
         window_wayland->xdg_output_manager = wl_registry_bind(registry, name, &zxdg_output_manager_v1_interface, 1);
     }
 }