This was added in 380db569287ba99d903b7629f209b9adc7fd2723 as a
temporary crutch that is not needed anymore. The only case where this
code can be triggered is the very first frame, for which InputStream.pts
is always equal to 0.
---
fftools/ffmpeg.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index d074d3e03b..a69aceec9f 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -1114,12 +1114,9 @@ static int decode_video(InputStream *ist, AVPacket *pkt,
int *got_output, int64_
best_effort_timestamp = ist->cfr_next_pts++;
// no timestamp available - extrapolate from previous frame duration
- if (best_effort_timestamp == AV_NOPTS_VALUE &&
- ist->last_frame_pts != AV_NOPTS_VALUE)
- best_effort_timestamp = ist->last_frame_pts +
ist->last_frame_duration_est;
-
if (best_effort_timestamp == AV_NOPTS_VALUE)
- best_effort_timestamp = av_rescale_q(ist->pts, AV_TIME_BASE_Q,
ist->st->time_base);
+ best_effort_timestamp = ist->last_frame_pts == AV_NOPTS_VALUE ? 0 :
+ ist->last_frame_pts +
ist->last_frame_duration_est;
if(best_effort_timestamp != AV_NOPTS_VALUE) {
int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp,
ist->st->time_base, AV_TIME_BASE_Q);
--
2.39.2
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