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authorJustin Ruggles <justin.ruggles@gmail.com>2012-01-12 20:03:17 -0500
committerJustin Ruggles <justin.ruggles@gmail.com>2012-02-20 15:08:40 -0500
commite9cda853511d7c5a8fa16da4f99cf8ead86bf658 (patch)
tree1bbd4917b41b24a84c3419aab35c511be508233c /libavformat
parent0b42a9388c98c8669811d4e7e5da7240e6707a41 (diff)
avcodec: add duration field to AVCodecParserContext
This will allow parsers to export the duration of the current frame being output, if known, instead of using AVCodecContext.frame_size.
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/utils.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 33775b9a2b..24175228ab 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1039,6 +1039,20 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
if (pkt->size) {
got_packet:
pkt->duration = 0;
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if (st->codec->sample_rate > 0) {
+ pkt->duration = av_rescale_q_rnd(st->parser->duration,
+ (AVRational){ 1, st->codec->sample_rate },
+ st->time_base,
+ AV_ROUND_DOWN);
+ }
+ } else if (st->codec->time_base.num != 0 &&
+ st->codec->time_base.den != 0) {
+ pkt->duration = av_rescale_q_rnd(st->parser->duration,
+ st->codec->time_base,
+ st->time_base,
+ AV_ROUND_DOWN);
+ }
pkt->stream_index = st->index;
pkt->pts = st->parser->pts;
pkt->dts = st->parser->dts;