[FFmpeg-cvslog] avformat/isom: utilize bitrate hints
Ganesh Ajjanagadde
git at videolan.org
Sun Jul 12 20:34:46 CEST 2015
ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Sun Jul 12 10:33:37 2015 -0400| [4547cf68a0d28c01549f84567e4d39a8b40230e7] | committer: Michael Niedermayer
avformat/isom: utilize bitrate hints
Fixes Ticket4546
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4547cf68a0d28c01549f84567e4d39a8b40230e7
---
libavformat/isom.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/libavformat/isom.c b/libavformat/isom.c
index db9129b..5673c51 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -451,19 +451,24 @@ static const AVCodecTag mp4_audio_types[] = {
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
{
enum AVCodecID codec_id;
+ unsigned v;
int len, tag;
int ret;
int object_type_id = avio_r8(pb);
avio_r8(pb); /* stream type */
avio_rb24(pb); /* buffer size db */
- avio_rb32(pb); /* max bitrate */
- avio_rb32(pb); /* avg bitrate */
if(avcodec_is_open(st->codec)) {
av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
return -1;
}
+ v = avio_rb32(pb);
+ if (v < INT32_MAX)
+ st->codec->rc_max_rate = v;
+
+ st->codec->bit_rate = avio_rb32(pb); /* avg bitrate */
+
codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
if (codec_id)
st->codec->codec_id= codec_id;
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