[FFmpeg-cvslog] Improve codec_tag guessing code.
Michael Niedermayer
git at videolan.org
Sun Apr 3 18:20:08 CEST 2011
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Mar 9 15:12:24 2011 +0100| [0b9dffc67ab506a5d148993b98d8713a76623892] | committer: Michael Niedermayer
Improve codec_tag guessing code.
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0b9dffc67ab506a5d148993b98d8713a76623892
---
libavformat/utils.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index c4e57f6..87a1bdc 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -25,6 +25,7 @@
#include "avio_internal.h"
#include "internal.h"
#include "libavcodec/internal.h"
+#include "libavcodec/raw.h"
#include "libavutil/opt.h"
#include "metadata.h"
#include "id3v2.h"
@@ -2428,8 +2429,11 @@ int av_find_stream_info(AVFormatContext *ic)
(st->codec_info_nb_frames-2)*(int64_t)st->time_base.den,
st->info->codec_info_duration*(int64_t)st->time_base.num, 60000);
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_coded_sample)
- st->codec->codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
+ if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_coded_sample){
+ uint32_t tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
+ if(ff_find_pix_fmt(ff_raw_pix_fmt_tags, tag) == st->codec->pix_fmt)
+ st->codec->codec_tag= tag;
+ }
// the check for tb_unreliable() is not completely correct, since this is not about handling
// a unreliable/inexact time base, but a time base that is finer than necessary, as e.g.
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