PapaTutuWawa/gpu-screen-recorder
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Move back receive packet to main thread

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Fixes crash if encode fps is less than capture fps
This commit is contained in:
dec05eba 2023-04-13 23:44:20 +02:00
parent 7c4714956c
commit 45a64316b4
1 changed files with 9 additions and 46 deletions
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55
src/main.cpp
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@ -1733,10 +1733,6 @@ int main(int argc, char **argv) {
}
memset(empty_audio, 0, audio_buffer_size);
std::condition_variable receive_packet_cv;
std::mutex receive_packet_mutex;
std::vector<ReceivePacketData> receive_packet_list;
for(AudioTrack &audio_track : audio_tracks) {
for(AudioDevice &audio_device : audio_track.audio_devices) {
audio_device.thread = std::thread([&]() mutable {
@ -1826,9 +1822,8 @@ int main(int argc, char **argv) {
ret = avcodec_send_frame(audio_track.codec_context, audio_track.frame);
if(ret >= 0) {
std::lock_guard<std::mutex> lock(receive_packet_mutex);
receive_packet_list.push_back({ audio_track.codec_context, audio_track.stream_index, audio_track.stream, audio_track.frame->pts });
receive_packet_cv.notify_one();
// TODO: Move to separate thread because this could write to network (for example when livestreaming)
receive_frames(audio_track.codec_context, audio_track.stream_index, audio_track.stream, audio_track.frame->pts, av_format_context, record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, write_output_mutex);
} else {
fprintf(stderr, "Failed to encode audio!\n");
}
@ -1866,9 +1861,8 @@ int main(int argc, char **argv) {
ret = avcodec_send_frame(audio_track.codec_context, audio_track.frame);
if(ret >= 0) {
std::lock_guard<std::mutex> lock(receive_packet_mutex);
receive_packet_list.push_back({ audio_track.codec_context, audio_track.stream_index, audio_track.stream, audio_track.frame->pts });
receive_packet_cv.notify_one();
// TODO: Move to separate thread because this could write to network (for example when livestreaming)
receive_frames(audio_track.codec_context, audio_track.stream_index, audio_track.stream, audio_track.frame->pts, av_format_context, record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, write_output_mutex);
} else {
fprintf(stderr, "Failed to encode audio!\n");
}
@ -1882,30 +1876,6 @@ int main(int argc, char **argv) {
}
}
std::thread receive_packet_thread([&]() mutable {
std::vector<ReceivePacketData> receive_packet_list_current;
while(running) {
{
std::unique_lock<std::mutex> lock(receive_packet_mutex);
receive_packet_cv.wait(lock, [&]{ return !receive_packet_list.empty() || !running; });
if(!running)
break;
if(receive_packet_list.empty())
continue;
receive_packet_list_current = std::move(receive_packet_list);
receive_packet_list.clear();
}
for(ReceivePacketData &receive_packet_data : receive_packet_list_current) {
receive_frames(receive_packet_data.codec_context, receive_packet_data.stream_index, receive_packet_data.stream, receive_packet_data.pts,
av_format_context, record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, write_output_mutex);
}
receive_packet_list_current.clear();
}
});
// 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 + 190;
bool should_stop_error = false;
@ -1951,9 +1921,8 @@ int main(int argc, char **argv) {
err = avcodec_send_frame(audio_track.codec_context, aframe);
if(err >= 0){
std::lock_guard<std::mutex> lock(receive_packet_mutex);
receive_packet_list.push_back({ audio_track.codec_context, audio_track.stream_index, audio_track.stream, aframe->pts });
receive_packet_cv.notify_one();
// TODO: Move to separate thread because this could write to network (for example when livestreaming)
receive_frames(audio_track.codec_context, audio_track.stream_index, audio_track.stream, aframe->pts, av_format_context, record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, write_output_mutex);
} else {
fprintf(stderr, "Failed to encode audio!\n");
}
@ -1996,9 +1965,9 @@ int main(int argc, char **argv) {
int ret = avcodec_send_frame(video_codec_context, frame);
if(ret == 0) {
std::lock_guard<std::mutex> lock(receive_packet_mutex);
receive_packet_list.push_back({ video_codec_context, VIDEO_STREAM_INDEX, video_stream, frame->pts });
receive_packet_cv.notify_one();
// TODO: Move to separate thread because this could write to network (for example when livestreaming)
receive_frames(video_codec_context, VIDEO_STREAM_INDEX, video_stream, frame->pts, av_format_context,
record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, write_output_mutex);
} else {
fprintf(stderr, "Error: avcodec_send_frame failed, error: %s\n", av_error_to_string(ret));
}
@ -2047,12 +2016,6 @@ int main(int argc, char **argv) {
}
}
{
std::lock_guard<std::mutex> lock(receive_packet_mutex);
receive_packet_cv.notify_one();
}
receive_packet_thread.join();
av_frame_free(&aframe);
if (replay_buffer_size_secs == -1 && av_write_trailer(av_format_context) != 0) {