videolan
/
ffmpeg
mirror of https://git.videolan.org/git/ffmpeg.git
1
Fork 0
Code Releases Activity

lavf/oggparseopus: Setting seek_preroll in AVCodecContext 

Setting seek_preroll value in AVCodecContext for Opus streams
embedded in ogg container.

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Vignesh Venkatasubramanian 2014-02-05 07:36:13 -08:00 committed by Michael Niedermayer
parent 9a4a559d6f
commit 129e24f78e
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavformat/oggparseopus.c
View File

@ -32,6 +32,7 @@ struct oggopus_private {
int64_t cur_dts;
};
#define OPUS_SEEK_PREROLL_MS 80
#define OPUS_HEAD_SIZE 19
static int opus_header(AVFormatContext *avf, int idx)
@ -66,6 +67,9 @@ static int opus_header(AVFormatContext *avf, int idx)
memcpy(st->codec->extradata, packet, os->psize);
st->codec->sample_rate = 48000;
av_codec_set_seek_preroll(st->codec,
av_rescale(OPUS_SEEK_PREROLL_MS,
st->codec->sample_rate, 1000));
avpriv_set_pts_info(st, 64, 1, 48000);
priv->need_comments = 1;
return 1;