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player/video: subtract frame_time from delay when ao_chain starts audio 

This seems more robust than relying on the audio status to actually be
playing. For files where there is no audio or the audio start is
delayed, this guards against that but it allows the subtraction to
always occur otherwise on normal files with audio.
This commit is contained in:
Dudemanguy 2024-03-02 09:50:23 -06:00
parent 60abbb424b
commit d10cebec13
3 changed files with 5 additions and 1 deletions
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1
player/audio.c
View File

@ -846,6 +846,7 @@ void audio_start_ao(struct MPContext *mpctx)
}
MP_VERBOSE(mpctx, "starting audio playback\n");
ao_c->audio_started = true;
ao_start(ao_c->ao);
mpctx->audio_status = STATUS_PLAYING;
if (ao_c->out_eof) {

2
player/core.h
View File

@ -192,6 +192,8 @@ struct ao_chain {
double start_pts;
bool start_pts_known;
bool audio_started;
struct track *track;
struct mp_pin *filter_src;
struct mp_pin *dec_src;

3
player/video.c
View File

@ -359,7 +359,6 @@ static void adjust_sync(struct MPContext *mpctx, double v_pts, double frame_time
if (mpctx->audio_status != STATUS_PLAYING)
return;
mpctx->delay -= frame_time;
double a_pts = written_audio_pts(mpctx) + opts->audio_delay - mpctx->delay;
double av_delay = a_pts - v_pts;
@ -401,6 +400,8 @@ static void handle_new_frame(struct MPContext *mpctx)
}
}
mpctx->time_frame += frame_time / mpctx->video_speed;
if (mpctx->ao_chain && mpctx->ao_chain->audio_started)
mpctx->delay -= frame_time;
if (mpctx->video_status >= STATUS_PLAYING)
adjust_sync(mpctx, pts, frame_time);
MP_TRACE(mpctx, "frametime=%5.3f\n", frame_time);