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Remove damage tracking for now, better frame timing (deal with time error accumulation)

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dec05eba
2024-09-20 02:20:42 +02:00
parent 6e73e40bb1
commit aef223d844
3 changed files with 44 additions and 33 deletions
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1
include/capture/kms.h
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@@ -10,6 +10,7 @@ typedef struct {
gsr_color_range color_range;
bool hdr;
bool record_cursor;
int fps;
} gsr_capture_kms_params;
gsr_capture* gsr_capture_kms_create(const gsr_capture_kms_params *params);

11
src/capture/kms.c
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@@ -232,7 +232,7 @@ static void gsr_capture_kms_on_event(gsr_capture *cap, gsr_egl *egl) {
gsr_cursor_on_event(&self->x11_cursor, xev);
}
// TODO: This is disabled for now because we want to be able to record at a framerate highe than the monitor framerate
// TODO: This is disabled for now because we want to be able to record at a framerate higher than the monitor framerate
// static void gsr_capture_kms_tick(gsr_capture *cap) {
// gsr_capture_kms *self = cap->priv;
@@ -571,9 +571,10 @@ static int gsr_capture_kms_capture(gsr_capture *cap, AVFrame *frame, gsr_color_c
capture_pos = (vec2i){drm_fd->x, drm_fd->y};
// TODO: Hack!! cursor flickers without this when using vaapi copy on wayland.
// There is probably some sync issue between opengl and vaapi.
// There is probably some sync issue between opengl and vaapi. It flickers more when capture fps is lower.
// Remove this when that has been figured out. Same for the below glFlush && glFinish
for(int i = 0; i < 3; ++i) {
const int hack_iterations = max_int(1, roundf(1000.0 / (double)self->params.fps));
for(int i = 0; i < hack_iterations; ++i) {
self->params.egl->glFlush();
self->params.egl->glFinish();
}
@@ -607,7 +608,7 @@ static int gsr_capture_kms_capture(gsr_capture *cap, AVFrame *frame, gsr_color_c
texture_rotation, self->external_texture_fallback);
}
for(int i = 0; i < 3; ++i) {
for(int i = 0; i < hack_iterations; ++i) {
self->params.egl->glFlush();
self->params.egl->glFinish();
}
@@ -624,7 +625,7 @@ static int gsr_capture_kms_capture(gsr_capture *cap, AVFrame *frame, gsr_color_c
}
}
for(int i = 0; i < 3; ++i) {
for(int i = 0; i < hack_iterations; ++i) {
self->params.egl->glFlush();
self->params.egl->glFinish();
}

65
src/main.cpp
View File

@@ -2018,6 +2018,7 @@ static gsr_capture* create_capture_impl(std::string &window_str, const char *scr
kms_params.color_range = color_range;
kms_params.record_cursor = record_cursor;
kms_params.hdr = video_codec_is_hdr(video_codec);
kms_params.fps = fps;
capture = gsr_capture_kms_create(&kms_params);
if(!capture)
_exit(1);
@@ -2782,10 +2783,10 @@ int main(int argc, char **argv) {
}
}
if(wayland && is_monitor_capture) {
fprintf(stderr, "gsr warning: it's not possible to sync video to recorded monitor exactly on wayland when recording a monitor."
" If you experience stutter in the video then record with portal capture option instead (-w portal) or use X11 instead\n");
}
// if(wayland && is_monitor_capture) {
// fprintf(stderr, "gsr warning: it's not possible to sync video to recorded monitor exactly on wayland when recording a monitor."
// " If you experience stutter in the video then record with portal capture option instead (-w portal) or use X11 instead\n");
// }
// TODO: 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!).
@@ -3336,8 +3337,6 @@ int main(int argc, char **argv) {
});
}
// Set update_fps to 24 to test if duplicate/delayed frames cause video/audio desync or too fast/slow video.
const double update_fps = fps;
bool should_stop_error = false;
int64_t video_pts_counter = 0;
@@ -3359,12 +3358,14 @@ int main(int argc, char **argv) {
if(is_monitor_capture)
gsr_damage_set_target_monitor(&damage, window_str.c_str());
double last_capture_seconds = clock_get_monotonic_seconds();
while(running) {
const double frame_start = clock_get_monotonic_seconds();
while(gsr_egl_process_event(&egl)) {
gsr_capture_on_event(capture, &egl);
gsr_damage_on_event(&damage, gsr_egl_get_event_data(&egl));
gsr_capture_on_event(capture, &egl);
}
gsr_damage_tick(&damage);
gsr_capture_tick(capture);
@@ -3392,11 +3393,14 @@ int main(int argc, char **argv) {
else
damaged = true;
// TODO: Readd wayland sync warning when removing this
damaged = true;
if(damaged)
++damage_fps_counter;
++fps_counter;
double time_now = clock_get_monotonic_seconds();
const double time_now = clock_get_monotonic_seconds();
const double elapsed = time_now - fps_start_time;
if (elapsed >= 1.0) {
if(verbose) {
@@ -3408,26 +3412,29 @@ int main(int argc, char **argv) {
}
const double this_video_frame_time = clock_get_monotonic_seconds() - paused_time_offset;
const int64_t expected_frames = std::round((this_video_frame_time - record_start_time) / target_fps);
const int num_frames = std::max((int64_t)0LL, expected_frames - video_pts_counter);
const double num_frames_seconds = num_frames * target_fps;
if((damaged || (framerate_mode == FramerateMode::CONSTANT && num_frames > 0) || (framerate_mode != FramerateMode::CONSTANT && num_frames_seconds >= damage_timeout_seconds)) && !paused) {
const double time_since_last_frame_captured_seconds = this_video_frame_time - last_capture_seconds;
const bool force_frame_capture = time_since_last_frame_captured_seconds >= damage_timeout_seconds;
if((damaged || force_frame_capture) && !paused) {
last_capture_seconds = this_video_frame_time;
gsr_damage_clear(&damage);
if(capture->clear_damage)
capture->clear_damage(capture);
if(damaged || video_pts_counter == 0) {
egl.glClear(0);
gsr_capture_capture(capture, video_frame, &color_conversion);
gsr_egl_swap_buffers(&egl);
gsr_video_encoder_copy_textures_to_frame(video_encoder, video_frame);
}
// TODO: Dont do this if no damage?
egl.glClear(0);
gsr_capture_capture(capture, video_frame, &color_conversion);
gsr_egl_swap_buffers(&egl);
gsr_video_encoder_copy_textures_to_frame(video_encoder, video_frame);
if(hdr && !hdr_metadata_set && replay_buffer_size_secs == -1 && add_hdr_metadata_to_video_stream(capture, video_stream))
hdr_metadata_set = true;
const int64_t expected_frames = std::round((this_video_frame_time - record_start_time) / target_fps);
const int num_missed_frames = std::max((int64_t)1LL, expected_frames - video_pts_counter);
// TODO: Check if duplicate frame can be saved just by writing it with a different pts instead of sending it again
const int num_frames_to_encode = framerate_mode == FramerateMode::CONSTANT ? num_frames : 1;
const int num_frames_to_encode = framerate_mode == FramerateMode::CONSTANT ? num_missed_frames : 1;
for(int i = 0; i < num_frames_to_encode; ++i) {
if(framerate_mode == FramerateMode::CONSTANT) {
video_frame->pts = video_pts_counter + i;
@@ -3449,7 +3456,7 @@ int main(int argc, char **argv) {
}
}
video_pts_counter += num_frames;
video_pts_counter += num_frames_to_encode;
}
if(toggle_pause == 1) {
@@ -3481,15 +3488,17 @@ int main(int argc, char **argv) {
save_replay_async(video_codec_context, VIDEO_STREAM_INDEX, audio_tracks, frame_data_queue, frames_erased, filename, container_format, file_extension, write_output_mutex, date_folders, hdr, capture);
}
const double time_at_frame_end = clock_get_monotonic_seconds() - paused_time_offset;
const double time_elapsed_total = time_at_frame_end - record_start_time;
const double time_at_next_frame = (video_pts_counter + 1) * target_fps;
const double time_to_next_frame = time_at_next_frame - time_elapsed_total;
const double frame_end = clock_get_monotonic_seconds();
const double frame_sleep_fps = 1.0 / update_fps;
const double sleep_time = frame_sleep_fps - (frame_end - frame_start);
if(sleep_time > 0.0) {
if(damaged)
av_usleep(sleep_time * 1000.0 * 1000.0);
else
av_usleep(2 * 1000.0); // 2 milliseconds
}
const double frame_time = frame_end - frame_start;
if(time_to_next_frame > 0.0)
av_usleep(time_to_next_frame * 1000.0 * 1000.0);
else if(frame_time < target_fps)
usleep(2.8 * 1000.0); // 2.8 milliseconds
}
running = 0;