Hi,
I had a look at https://trac.ffmpeg.org/ticket/3052.
The issue is that the last frame duration is lost. Is there any reason why the
packet duration is not transmitted from the demuxer to the muxer?
Attached is a dumb patch, just to understand a bit more why things are done the
way they are...
Cheers,
--
Ben
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 9fa8e16..7c009d7 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2063,6 +2063,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
avpkt->size = 0;
else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
avpkt->pts = avpkt->dts = frame->pts;
+ if (frame)
+ avpkt->duration = av_frame_get_pkt_duration(frame);
if (needs_realloc && avpkt->data) {
ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
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