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ffmpeg.wasm-core
Commit 36c111c4 authored by Nicolas George's avatar Nicolas George
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ffmpeg: use reordered duration for stream PTS.

parent dfed8e2c
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Showing with 5 additions and 3 deletions
ffmpeg.c
View file @ 36c111c4
......@@ -2368,7 +2368,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
return err < 0 ? err : ret;
}
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eof,
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, int eof,
int *decode_failed)
{
AVFrame *decoded_frame;
......@@ -2459,6 +2459,7 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eo
ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
best_effort_timestamp= decoded_frame->best_effort_timestamp;
*duration_pts = decoded_frame->pkt_duration;
if (ist->framerate.num)
best_effort_timestamp = ist->cfr_next_pts++;
......@@ -2629,6 +2630,7 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
// while we have more to decode or while the decoder did output something on EOF
while (ist->decoding_needed) {
int64_t duration_dts = 0;
int64_t duration_pts = 0;
int got_output = 0;
int decode_failed = 0;
......@@ -2641,7 +2643,7 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
&decode_failed);
break;
case AVMEDIA_TYPE_VIDEO:
ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output, !pkt,
ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output, &duration_pts, !pkt,
&decode_failed);
if (!repeating || !pkt || got_output) {
if (pkt && pkt->duration) {
......@@ -2660,7 +2662,7 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
}
if (got_output)
ist->next_pts += duration_dts; //FIXME the duration is not correct in some cases
ist->next_pts += av_rescale_q(duration_pts, ist->st->time_base, AV_TIME_BASE_Q);
break;
case AVMEDIA_TYPE_SUBTITLE:
if (repeating)
......
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