Record at least video packets on stop

If the recorder is stopped while it has not received any audio packet
yet, make sure the video stream is correctly recorded.

PR #3757 <https://github.com/Genymobile/scrcpy/pull/3757>
This commit is contained in:
Romain Vimont 2023-02-19 00:55:36 +01:00
parent 2fda50851c
commit fd019753fb

View file

@ -249,7 +249,9 @@ sc_recorder_process_header(struct sc_recorder *recorder) {
sc_cond_wait(&recorder->queue_cond, &recorder->mutex);
}
if (recorder->stopped && sc_recorder_has_empty_queues(recorder)) {
if (recorder->stopped && sc_queue_is_empty(&recorder->video_queue)) {
// If the recorder is stopped, don't process anything if there are not
// at least video packets
sc_mutex_unlock(&recorder->mutex);
return false;
}
@ -257,8 +259,9 @@ sc_recorder_process_header(struct sc_recorder *recorder) {
struct sc_record_packet *video_pkt;
sc_queue_take(&recorder->video_queue, next, &video_pkt);
struct sc_record_packet *audio_pkt;
if (recorder->audio) {
struct sc_record_packet *audio_pkt = NULL;
if (!sc_queue_is_empty(&recorder->audio_queue)) {
assert(recorder->audio);
sc_queue_take(&recorder->audio_queue, next, &audio_pkt);
}
@ -279,7 +282,7 @@ sc_recorder_process_header(struct sc_recorder *recorder) {
goto end;
}
if (recorder->audio) {
if (audio_pkt) {
if (audio_pkt->packet->pts != AV_NOPTS_VALUE) {
LOGE("The first audio packet is not a config packet");
goto end;
@ -304,7 +307,7 @@ sc_recorder_process_header(struct sc_recorder *recorder) {
end:
sc_record_packet_delete(video_pkt);
if (recorder->audio) {
if (audio_pkt) {
sc_record_packet_delete(audio_pkt);
}
@ -392,6 +395,21 @@ sc_recorder_process_packets(struct sc_recorder *recorder) {
} else if (video_pkt && audio_pkt) {
pts_origin =
MIN(video_pkt->packet->pts, audio_pkt->packet->pts);
} else if (recorder->stopped) {
if (video_pkt) {
// The recorder is stopped without audio, record the video
// packets
pts_origin = video_pkt->packet->pts;
} else {
// Fail if there is no video
error = true;
goto end;
}
// If the recorder is stopped while one of the streams has no
// packets, then we must avoid a live-loop and correctly record
// the stream having packets.
pts_origin = video_pkt ? video_pkt->packet->pts
: audio_pkt->packet->pts;
} else {
// We need both video and audio packets to initialize pts_origin
continue;