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avformat/demux: don't overwrite packet durations with parser ones if unset

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Prevents loss of values taken from the demuxer when the underlying parser
doesn't set durations.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2026-02-01 00:43:15 -03:00
parent 3fc7e39eb8
commit b613eebe78
1 changed files with 1 additions and 1 deletions
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2
libavformat/demux.c
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@ -1265,7 +1265,7 @@ static int parse_packet(AVFormatContext *s, AVPacket *pkt,
/* set the duration */
out_pkt->duration = (sti->parser->flags & PARSER_FLAG_COMPLETE_FRAMES) ? pkt->duration : 0;
if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
if (sti->avctx->sample_rate > 0) {
if (sti->avctx->sample_rate > 0 && sti->parser->duration > 0) {
out_pkt->duration =
av_rescale_q_rnd(sti->parser->duration,
(AVRational) { 1, sti->avctx->sample_rate },