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fftools/ffmpeg_sched: remove a triggerable assert in send_to_enc_sq() 

It can be triggered when send_to_enc_thread() returns AVERROR(ENOMEM).
Propagate the error to the caller instead.

Reported-by: Andreas Rheinhardt
This commit is contained in:
Anton Khirnov 2024-02-20 12:37:16 +01:00
parent a00765fcbe
commit c19c2078f3
1 changed files with 17 additions and 14 deletions
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31
fftools/ffmpeg_sched.c
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@ -1541,31 +1541,34 @@ static int send_to_enc_sq(Scheduler *sch, SchEnc *enc, AVFrame *frame)
// TODO: the SQ API should be extended to allow returning EOF
// for individual streams
ret = sq_receive(sq->sq, -1, SQFRAME(sq->frame));
if (ret == AVERROR(EAGAIN)) {
ret = 0;
goto finish;
} else if (ret < 0) {
// close all encoders fed from this sync queue
for (unsigned i = 0; i < sq->nb_enc_idx; i++) {
int err = send_to_enc_thread(sch, &sch->enc[sq->enc_idx[i]], NULL);
// if the sync queue error is EOF and closing the encoder
// produces a more serious error, make sure to pick the latter
ret = err_merge((ret == AVERROR_EOF && err < 0) ? 0 : ret, err);
}
goto finish;
if (ret < 0) {
ret = (ret == AVERROR(EAGAIN)) ? 0 : ret;
break;
}
enc = &sch->enc[sq->enc_idx[ret]];
ret = send_to_enc_thread(sch, enc, sq->frame);
if (ret < 0) {
av_assert0(ret == AVERROR_EOF);
av_frame_unref(sq->frame);
if (ret != AVERROR_EOF)
break;
sq_send(sq->sq, enc->sq_idx[1], SQFRAME(NULL));
continue;
}
}
if (ret < 0) {
// close all encoders fed from this sync queue
for (unsigned i = 0; i < sq->nb_enc_idx; i++) {
int err = send_to_enc_thread(sch, &sch->enc[sq->enc_idx[i]], NULL);
// if the sync queue error is EOF and closing the encoder
// produces a more serious error, make sure to pick the latter
ret = err_merge((ret == AVERROR_EOF && err < 0) ? 0 : ret, err);
}
}
finish:
pthread_mutex_unlock(&sq->lock);