mirror of
https://repo.dec05eba.com/gpu-screen-recorder
synced 2026-05-07 07:16:21 +09:00
Refactor kms_vaapi and kms_cuda
Also fixes color metadata, color range and hdr on nvidia wayland.
This commit is contained in:
dec05eba
363
src/capture/kms.c
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363
src/capture/kms.c
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@@ -0,0 +1,363 @@
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#include "../../include/capture/kms.h"
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#include "../../include/capture/capture.h"
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#include "../../include/utils.h"
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <libavcodec/avcodec.h>
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#include <libavutil/mastering_display_metadata.h>
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#define HDMI_STATIC_METADATA_TYPE1 0
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#define HDMI_EOTF_SMPTE_ST2084 2
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/* TODO: On monitor reconfiguration, find monitor x, y, width and height again. Do the same for nvfbc. */
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typedef struct {
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MonitorId *monitor_id;
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const char *monitor_to_capture;
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int monitor_to_capture_len;
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int num_monitors;
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} MonitorCallbackUserdata;
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static void monitor_callback(const gsr_monitor *monitor, void *userdata) {
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MonitorCallbackUserdata *monitor_callback_userdata = userdata;
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++monitor_callback_userdata->num_monitors;
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if(monitor_callback_userdata->monitor_to_capture_len != monitor->name_len || memcmp(monitor_callback_userdata->monitor_to_capture, monitor->name, monitor->name_len) != 0)
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return;
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if(monitor_callback_userdata->monitor_id->num_connector_ids < MAX_CONNECTOR_IDS) {
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monitor_callback_userdata->monitor_id->connector_ids[monitor_callback_userdata->monitor_id->num_connector_ids] = monitor->connector_id;
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++monitor_callback_userdata->monitor_id->num_connector_ids;
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}
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if(monitor_callback_userdata->monitor_id->num_connector_ids == MAX_CONNECTOR_IDS)
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fprintf(stderr, "gsr warning: reached max connector ids\n");
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}
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static int max_int(int a, int b) {
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return a > b ? a : b;
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}
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int gsr_capture_kms_start(gsr_capture_kms *self, gsr_capture_base *base, const char *display_to_capture, gsr_egl *egl, AVCodecContext *video_codec_context) {
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base->video_codec_context = video_codec_context;
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gsr_monitor monitor;
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self->monitor_id.num_connector_ids = 0;
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int kms_init_res = gsr_kms_client_init(&self->kms_client, egl->card_path);
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if(kms_init_res != 0)
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return kms_init_res;
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MonitorCallbackUserdata monitor_callback_userdata = {
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&self->monitor_id,
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display_to_capture, strlen(display_to_capture),
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0,
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};
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for_each_active_monitor_output(egl, GSR_CONNECTION_DRM, monitor_callback, &monitor_callback_userdata);
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if(!get_monitor_by_name(egl, GSR_CONNECTION_DRM, display_to_capture, &monitor)) {
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fprintf(stderr, "gsr error: gsr_capture_kms_start: failed to find monitor by name \"%s\"\n", display_to_capture);
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return -1;
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}
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monitor.name = display_to_capture;
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self->monitor_rotation = drm_monitor_get_display_server_rotation(egl, &monitor);
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self->capture_pos = monitor.pos;
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if(self->monitor_rotation == GSR_MONITOR_ROT_90 || self->monitor_rotation == GSR_MONITOR_ROT_270) {
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self->capture_size.x = monitor.size.y;
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self->capture_size.y = monitor.size.x;
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} else {
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self->capture_size = monitor.size;
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}
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/* Disable vsync */
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egl->eglSwapInterval(egl->egl_display, 0);
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base->video_codec_context->width = max_int(2, even_number_ceil(self->capture_size.x));
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base->video_codec_context->height = max_int(2, even_number_ceil(self->capture_size.y));
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return 0;
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}
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void gsr_capture_kms_stop(gsr_capture_kms *self) {
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gsr_capture_kms_cleanup_kms_fds(self);
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gsr_kms_client_deinit(&self->kms_client);
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}
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static float monitor_rotation_to_radians(gsr_monitor_rotation rot) {
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switch(rot) {
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case GSR_MONITOR_ROT_0: return 0.0f;
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case GSR_MONITOR_ROT_90: return M_PI_2;
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case GSR_MONITOR_ROT_180: return M_PI;
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case GSR_MONITOR_ROT_270: return M_PI + M_PI_2;
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}
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return 0.0f;
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}
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/* Prefer non combined planes */
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static gsr_kms_response_fd* find_drm_by_connector_id(gsr_kms_response *kms_response, uint32_t connector_id) {
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int index_combined = -1;
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for(int i = 0; i < kms_response->num_fds; ++i) {
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if(kms_response->fds[i].connector_id == connector_id && !kms_response->fds[i].is_cursor) {
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if(kms_response->fds[i].is_combined_plane)
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index_combined = i;
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else
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return &kms_response->fds[i];
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}
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}
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if(index_combined != -1)
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return &kms_response->fds[index_combined];
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else
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return NULL;
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}
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static gsr_kms_response_fd* find_first_combined_drm(gsr_kms_response *kms_response) {
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for(int i = 0; i < kms_response->num_fds; ++i) {
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if(kms_response->fds[i].is_combined_plane && !kms_response->fds[i].is_cursor)
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return &kms_response->fds[i];
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}
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return NULL;
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}
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static gsr_kms_response_fd* find_largest_drm(gsr_kms_response *kms_response) {
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if(kms_response->num_fds == 0)
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return NULL;
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int64_t largest_size = 0;
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gsr_kms_response_fd *largest_drm = &kms_response->fds[0];
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for(int i = 0; i < kms_response->num_fds; ++i) {
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const int64_t size = (int64_t)kms_response->fds[i].width * (int64_t)kms_response->fds[i].height;
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if(size > largest_size && !kms_response->fds[i].is_cursor) {
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largest_size = size;
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largest_drm = &kms_response->fds[i];
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}
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}
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return largest_drm;
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}
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static gsr_kms_response_fd* find_cursor_drm(gsr_kms_response *kms_response) {
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for(int i = 0; i < kms_response->num_fds; ++i) {
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if(kms_response->fds[i].is_cursor)
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return &kms_response->fds[i];
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}
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return NULL;
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}
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static bool hdr_metadata_is_supported_format(const struct hdr_output_metadata *hdr_metadata) {
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return hdr_metadata->metadata_type == HDMI_STATIC_METADATA_TYPE1 &&
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hdr_metadata->hdmi_metadata_type1.metadata_type == HDMI_STATIC_METADATA_TYPE1 &&
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hdr_metadata->hdmi_metadata_type1.eotf == HDMI_EOTF_SMPTE_ST2084;
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}
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static void gsr_kms_set_hdr_metadata(gsr_capture_kms *self, AVFrame *frame, gsr_kms_response_fd *drm_fd) {
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if(!self->mastering_display_metadata)
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self->mastering_display_metadata = av_mastering_display_metadata_create_side_data(frame);
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if(!self->light_metadata)
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self->light_metadata = av_content_light_metadata_create_side_data(frame);
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if(self->mastering_display_metadata) {
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for(int i = 0; i < 3; ++i) {
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self->mastering_display_metadata->display_primaries[i][0] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.display_primaries[i].x, 50000);
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self->mastering_display_metadata->display_primaries[i][1] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.display_primaries[i].y, 50000);
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}
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self->mastering_display_metadata->white_point[0] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.white_point.x, 50000);
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self->mastering_display_metadata->white_point[1] = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.white_point.y, 50000);
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self->mastering_display_metadata->min_luminance = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.min_display_mastering_luminance, 10000);
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self->mastering_display_metadata->max_luminance = av_make_q(drm_fd->hdr_metadata.hdmi_metadata_type1.max_display_mastering_luminance, 1);
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self->mastering_display_metadata->has_primaries = self->mastering_display_metadata->display_primaries[0][0].num > 0;
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self->mastering_display_metadata->has_luminance = self->mastering_display_metadata->max_luminance.num > 0;
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}
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if(self->light_metadata) {
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self->light_metadata->MaxCLL = drm_fd->hdr_metadata.hdmi_metadata_type1.max_cll;
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self->light_metadata->MaxFALL = drm_fd->hdr_metadata.hdmi_metadata_type1.max_fall;
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}
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}
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static vec2i swap_vec2i(vec2i value) {
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int tmp = value.x;
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value.x = value.y;
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value.y = tmp;
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return value;
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}
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bool gsr_capture_kms_capture(gsr_capture_kms *self, gsr_capture_base *base, AVFrame *frame, gsr_egl *egl, bool hdr, bool screen_plane_use_modifiers, bool cursor_texture_is_external) {
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egl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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egl->glClear(GL_COLOR_BUFFER_BIT);
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gsr_capture_kms_cleanup_kms_fds(self);
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gsr_kms_response_fd *drm_fd = NULL;
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gsr_kms_response_fd *cursor_drm_fd = NULL;
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bool capture_is_combined_plane = false;
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if(gsr_kms_client_get_kms(&self->kms_client, &self->kms_response) != 0) {
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fprintf(stderr, "gsr error: gsr_capture_kms_capture: failed to get kms, error: %d (%s)\n", self->kms_response.result, self->kms_response.err_msg);
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return false;
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}
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if(self->kms_response.num_fds == 0) {
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static bool error_shown = false;
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if(!error_shown) {
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error_shown = true;
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fprintf(stderr, "gsr error: no drm found, capture will fail\n");
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}
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return false;
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}
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for(int i = 0; i < self->monitor_id.num_connector_ids; ++i) {
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drm_fd = find_drm_by_connector_id(&self->kms_response, self->monitor_id.connector_ids[i]);
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if(drm_fd)
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break;
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}
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// Will never happen on wayland unless the target monitor has been disconnected
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if(!drm_fd) {
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drm_fd = find_first_combined_drm(&self->kms_response);
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if(!drm_fd)
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drm_fd = find_largest_drm(&self->kms_response);
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capture_is_combined_plane = true;
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}
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cursor_drm_fd = find_cursor_drm(&self->kms_response);
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if(!drm_fd)
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return false;
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if(!capture_is_combined_plane && cursor_drm_fd && cursor_drm_fd->connector_id != drm_fd->connector_id)
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cursor_drm_fd = NULL;
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if(drm_fd->has_hdr_metadata && hdr && hdr_metadata_is_supported_format(&drm_fd->hdr_metadata))
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gsr_kms_set_hdr_metadata(self, frame, drm_fd);
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// TODO: This causes a crash sometimes on steam deck, why? is it a driver bug? a vaapi pure version doesn't cause a crash.
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// Even ffmpeg kmsgrab causes this crash. The error is:
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// amdgpu: Failed to allocate a buffer:
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// amdgpu: size : 28508160 bytes
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// amdgpu: alignment : 2097152 bytes
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// amdgpu: domains : 4
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// amdgpu: flags : 4
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// amdgpu: Failed to allocate a buffer:
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// amdgpu: size : 28508160 bytes
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// amdgpu: alignment : 2097152 bytes
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// amdgpu: domains : 4
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// amdgpu: flags : 4
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// EE ../jupiter-mesa/src/gallium/drivers/radeonsi/radeon_vcn_enc.c:516 radeon_create_encoder UVD - Can't create CPB buffer.
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// [hevc_vaapi @ 0x55ea72b09840] Failed to upload encode parameters: 2 (resource allocation failed).
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// [hevc_vaapi @ 0x55ea72b09840] Encode failed: -5.
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// Error: avcodec_send_frame failed, error: Input/output error
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// Assertion pic->display_order == pic->encode_order failed at libavcodec/vaapi_encode_h265.c:765
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// kms server info: kms client shutdown, shutting down the server
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intptr_t img_attr[18] = {
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EGL_LINUX_DRM_FOURCC_EXT, drm_fd->pixel_format,
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EGL_WIDTH, drm_fd->width,
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EGL_HEIGHT, drm_fd->height,
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EGL_DMA_BUF_PLANE0_FD_EXT, drm_fd->fd,
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EGL_DMA_BUF_PLANE0_OFFSET_EXT, drm_fd->offset,
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EGL_DMA_BUF_PLANE0_PITCH_EXT, drm_fd->pitch,
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};
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if(screen_plane_use_modifiers) {
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img_attr[12] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
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img_attr[13] = drm_fd->modifier & 0xFFFFFFFFULL;
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img_attr[14] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
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img_attr[15] = drm_fd->modifier >> 32ULL;
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img_attr[16] = EGL_NONE;
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img_attr[17] = EGL_NONE;
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} else {
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img_attr[12] = EGL_NONE;
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img_attr[13] = EGL_NONE;
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}
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EGLImage image = egl->eglCreateImage(egl->egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr);
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egl->glBindTexture(GL_TEXTURE_2D, base->input_texture);
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egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
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egl->eglDestroyImage(egl->egl_display, image);
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egl->glBindTexture(GL_TEXTURE_2D, 0);
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vec2i capture_pos = self->capture_pos;
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if(!capture_is_combined_plane)
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capture_pos = (vec2i){drm_fd->x, drm_fd->y};
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const float texture_rotation = monitor_rotation_to_radians(self->monitor_rotation);
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gsr_color_conversion_draw(&base->color_conversion, base->input_texture,
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(vec2i){0, 0}, self->capture_size,
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capture_pos, self->capture_size,
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texture_rotation, false);
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if(cursor_drm_fd) {
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const vec2i cursor_size = {cursor_drm_fd->width, cursor_drm_fd->height};
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vec2i cursor_pos = {cursor_drm_fd->x, cursor_drm_fd->y};
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switch(self->monitor_rotation) {
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case GSR_MONITOR_ROT_0:
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break;
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case GSR_MONITOR_ROT_90:
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cursor_pos = swap_vec2i(cursor_pos);
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cursor_pos.x = self->capture_size.x - cursor_pos.x;
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// TODO: Remove this horrible hack
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cursor_pos.x -= cursor_size.x;
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break;
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case GSR_MONITOR_ROT_180:
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cursor_pos.x = self->capture_size.x - cursor_pos.x;
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cursor_pos.y = self->capture_size.y - cursor_pos.y;
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// TODO: Remove this horrible hack
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cursor_pos.x -= cursor_size.x;
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cursor_pos.y -= cursor_size.y;
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break;
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case GSR_MONITOR_ROT_270:
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cursor_pos = swap_vec2i(cursor_pos);
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cursor_pos.y = self->capture_size.y - cursor_pos.y;
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// TODO: Remove this horrible hack
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cursor_pos.y -= cursor_size.y;
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break;
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}
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const intptr_t img_attr_cursor[] = {
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EGL_LINUX_DRM_FOURCC_EXT, cursor_drm_fd->pixel_format,
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EGL_WIDTH, cursor_drm_fd->width,
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EGL_HEIGHT, cursor_drm_fd->height,
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EGL_DMA_BUF_PLANE0_FD_EXT, cursor_drm_fd->fd,
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EGL_DMA_BUF_PLANE0_OFFSET_EXT, cursor_drm_fd->offset,
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EGL_DMA_BUF_PLANE0_PITCH_EXT, cursor_drm_fd->pitch,
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EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, cursor_drm_fd->modifier & 0xFFFFFFFFULL,
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EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, cursor_drm_fd->modifier >> 32ULL,
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EGL_NONE
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};
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EGLImage cursor_image = egl->eglCreateImage(egl->egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr_cursor);
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const int target = cursor_texture_is_external ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
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egl->glBindTexture(target, base->cursor_texture);
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egl->glEGLImageTargetTexture2DOES(target, cursor_image);
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egl->eglDestroyImage(egl->egl_display, cursor_image);
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egl->glBindTexture(target, 0);
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gsr_color_conversion_draw(&base->color_conversion, base->cursor_texture,
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cursor_pos, cursor_size,
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(vec2i){0, 0}, cursor_size,
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texture_rotation, false);
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}
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egl->eglSwapBuffers(egl->egl_display, egl->egl_surface);
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//egl->glFlush();
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//egl->glFinish();
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return true;
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}
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void gsr_capture_kms_cleanup_kms_fds(gsr_capture_kms *self) {
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for(int i = 0; i < self->kms_response.num_fds; ++i) {
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if(self->kms_response.fds[i].fd > 0)
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close(self->kms_response.fds[i].fd);
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self->kms_response.fds[i].fd = 0;
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}
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self->kms_response.num_fds = 0;
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}
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