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kms_vaapi: add cursor capture for amd/intel monitor capture

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Always find largest drm buf, to fix some cases
when there are multiple planes and we accidentally
capture a drm buf that isn't the target buf.
We always want the full SCREEN drm buf.
This commit is contained in:
dec05eba
2023-04-22 00:46:48 +02:00
committed by dec05eba
parent 2021456be0
commit e1c613666e
15 changed files with 248 additions and 175 deletions
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101
src/capture/kms_vaapi.c
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@@ -3,6 +3,7 @@
#include "../../include/egl.h"
#include "../../include/utils.h"
#include "../../include/color_conversion.h"
#include "../../include/cursor.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
@@ -24,6 +25,9 @@ typedef enum {
typedef struct {
gsr_capture_kms_vaapi_params params;
Display *dpy;
XEvent xev;
bool should_stop;
bool stop_is_error;
bool created_hw_frame;
@@ -54,7 +58,8 @@ typedef struct {
unsigned int target_textures[2];
gsr_color_conversion color_conversion;
unsigned int vao;
gsr_cursor cursor;
} gsr_capture_kms_vaapi;
static int max_int(int a, int b) {
@@ -127,17 +132,17 @@ static int gsr_capture_kms_vaapi_start(gsr_capture *cap, AVCodecContext *video_c
return -1;
}
MonitorCallbackUserdata monitor_callback_userdata = {0};
for_each_active_monitor_output(cap_kms->params.dpy, monitor_callback, &monitor_callback_userdata);
MonitorCallbackUserdata monitor_callback_userdata = {0, X11_ROT_0};
for_each_active_monitor_output(cap_kms->dpy, monitor_callback, &monitor_callback_userdata);
gsr_monitor monitor;
if(strcmp(cap_kms->params.display_to_capture, "screen") == 0) {
monitor.pos.x = 0;
monitor.pos.y = 0;
monitor.size.x = XWidthOfScreen(DefaultScreenOfDisplay(cap_kms->params.dpy));
monitor.size.y = XHeightOfScreen(DefaultScreenOfDisplay(cap_kms->params.dpy));
monitor.size.x = WidthOfScreen(DefaultScreenOfDisplay(cap_kms->dpy));
monitor.size.y = HeightOfScreen(DefaultScreenOfDisplay(cap_kms->dpy));
cap_kms->screen_capture = true;
} else if(!get_monitor_by_name(cap_kms->params.dpy, cap_kms->params.display_to_capture, &monitor)) {
} else if(!get_monitor_by_name(cap_kms->dpy, cap_kms->params.display_to_capture, &monitor)) {
fprintf(stderr, "gsr error: gsr_capture_kms_vaapi_start: failed to find monitor by name \"%s\"\n", cap_kms->params.display_to_capture);
gsr_capture_kms_vaapi_stop(cap, video_codec_context);
return -1;
@@ -157,7 +162,7 @@ static int gsr_capture_kms_vaapi_start(gsr_capture *cap, AVCodecContext *video_c
cap_kms->capture_pos = monitor.pos;
cap_kms->capture_size = monitor.size;
if(!gsr_egl_load(&cap_kms->egl, cap_kms->params.dpy)) {
if(!gsr_egl_load(&cap_kms->egl, cap_kms->dpy)) {
fprintf(stderr, "gsr error: gsr_capture_kms_vaapi_start: failed to load opengl\n");
gsr_capture_kms_vaapi_stop(cap, video_codec_context);
return -1;
@@ -174,6 +179,14 @@ static int gsr_capture_kms_vaapi_start(gsr_capture *cap, AVCodecContext *video_c
return -1;
}
if(gsr_cursor_init(&cap_kms->cursor, &cap_kms->egl, cap_kms->dpy) != 0) {
gsr_capture_kms_vaapi_stop(cap, video_codec_context);
return -1;
}
gsr_cursor_change_window_target(&cap_kms->cursor, DefaultRootWindow(cap_kms->dpy));
gsr_cursor_update(&cap_kms->cursor, &cap_kms->xev);
return 0;
}
@@ -189,6 +202,11 @@ static void gsr_capture_kms_vaapi_tick(gsr_capture *cap, AVCodecContext *video_c
// TODO:
cap_kms->egl.glClear(GL_COLOR_BUFFER_BIT);
while(XPending(cap_kms->dpy)) {
XNextEvent(cap_kms->dpy, &cap_kms->xev);
gsr_cursor_update(&cap_kms->cursor, &cap_kms->xev);
}
if(!cap_kms->created_hw_frame) {
cap_kms->created_hw_frame = true;
@@ -286,46 +304,15 @@ static void gsr_capture_kms_vaapi_tick(gsr_capture *cap, AVCodecContext *video_c
cap_kms->egl.glBindTexture(GL_TEXTURE_2D, 0);
}
float texture_rotation = 0.0f;
if(cap_kms->requires_rotation) {
switch(cap_kms->x11_rot) {
case X11_ROT_90:
texture_rotation = M_PI*0.5f;
break;
case X11_ROT_180:
texture_rotation = M_PI;
break;
case X11_ROT_270:
texture_rotation = M_PI*1.5f;
break;
default:
texture_rotation = 0.0f;
break;
}
}
const double combined_monitor_width = (double)XWidthOfScreen(DefaultScreenOfDisplay(cap_kms->params.dpy));
const double combined_monitor_height = (double)XHeightOfScreen(DefaultScreenOfDisplay(cap_kms->params.dpy));
gsr_color_conversion_params color_conversion_params = {0};
color_conversion_params.egl = &cap_kms->egl;
color_conversion_params.source_color = GSR_SOURCE_COLOR_RGB;
color_conversion_params.destination_color = GSR_DESTINATION_COLOR_NV12;
color_conversion_params.source_textures[0] = cap_kms->input_texture;
color_conversion_params.num_source_textures = 1;
color_conversion_params.destination_textures[0] = cap_kms->target_textures[0];
color_conversion_params.destination_textures[1] = cap_kms->target_textures[1];
color_conversion_params.num_destination_textures = 2;
color_conversion_params.rotation = texture_rotation;
color_conversion_params.position.x = (double)cap_kms->capture_pos.x / combined_monitor_width;
color_conversion_params.position.y = (double)cap_kms->capture_pos.y / combined_monitor_height;
color_conversion_params.size.x = (double)cap_kms->capture_size.x / combined_monitor_width;
color_conversion_params.size.y = (double)cap_kms->capture_size.y / combined_monitor_height;
if(gsr_color_conversion_init(&cap_kms->color_conversion, &color_conversion_params) != 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_vaapi_tick: failed to create color conversion\n");
cap_kms->should_stop = true;
@@ -410,7 +397,35 @@ static int gsr_capture_kms_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
cap_kms->egl.eglDestroyImage(cap_kms->egl.egl_display, image);
cap_kms->egl.glBindTexture(GL_TEXTURE_2D, 0);
gsr_color_conversion_update(&cap_kms->color_conversion, frame->width, frame->height);
float texture_rotation = 0.0f;
if(cap_kms->requires_rotation) {
switch(cap_kms->x11_rot) {
case X11_ROT_90:
texture_rotation = M_PI*0.5f;
break;
case X11_ROT_180:
texture_rotation = M_PI;
break;
case X11_ROT_270:
texture_rotation = M_PI*1.5f;
break;
default:
texture_rotation = 0.0f;
break;
}
}
gsr_cursor_tick(&cap_kms->cursor);
gsr_color_conversion_draw(&cap_kms->color_conversion, cap_kms->input_texture,
(vec2i){0, 0}, (vec2i){cap_kms->capture_size.x, cap_kms->capture_size.y},
(vec2i){cap_kms->capture_pos.x, cap_kms->capture_pos.y}, (vec2i){cap_kms->capture_size.x, cap_kms->capture_size.y},
texture_rotation);
gsr_color_conversion_draw(&cap_kms->color_conversion, cap_kms->cursor.texture_id,
(vec2i){cap_kms->cursor.position.x - cap_kms->cursor.hotspot.x - cap_kms->capture_pos.x, cap_kms->cursor.position.y - cap_kms->cursor.hotspot.y - cap_kms->capture_pos.y}, (vec2i){cap_kms->cursor.size.x, cap_kms->cursor.size.y},
(vec2i){0, 0}, (vec2i){cap_kms->cursor.size.x, cap_kms->cursor.size.y},
0.0f);
cap_kms->egl.eglSwapBuffers(cap_kms->egl.egl_display, cap_kms->egl.egl_surface);
@@ -425,6 +440,7 @@ static int gsr_capture_kms_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
static void gsr_capture_kms_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
gsr_capture_kms_vaapi *cap_kms = cap->priv;
gsr_cursor_deinit(&cap_kms->cursor);
gsr_color_conversion_deinit(&cap_kms->color_conversion);
for(uint32_t i = 0; i < cap_kms->prime.num_objects; ++i) {
@@ -455,6 +471,11 @@ static void gsr_capture_kms_vaapi_stop(gsr_capture *cap, AVCodecContext *video_c
gsr_egl_unload(&cap_kms->egl);
gsr_kms_client_deinit(&cap_kms->kms_client);
if(cap_kms->dpy) {
// TODO: This causes a crash, why? maybe some other library dlclose xlib and that also happened to unload this???
//XCloseDisplay(cap_kms->dpy);
cap_kms->dpy = NULL;
}
}
static void gsr_capture_kms_vaapi_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
@@ -496,11 +517,13 @@ gsr_capture* gsr_capture_kms_vaapi_create(const gsr_capture_kms_vaapi_params *pa
const char *display_to_capture = strdup(params->display_to_capture);
if(!display_to_capture) {
/* TODO XCloseDisplay */
free(cap);
free(cap_kms);
return NULL;
}
cap_kms->dpy = display;
cap_kms->params = *params;
cap_kms->params.display_to_capture = display_to_capture;