[FFmpeg-cvslog] avidec: parse INFO tags at the end
Michael Niedermayer
git at videolan.org
Mon Aug 6 21:43:23 CEST 2012
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Aug 6 21:07:23 2012 +0200| [a80ce390df38b30f70012c9ce059129516664805] | committer: Michael Niedermayer
avidec: parse INFO tags at the end
Fixes Ticket1123
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a80ce390df38b30f70012c9ce059129516664805
---
libavformat/avidec.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index b62cccd..cc716a2 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1376,16 +1376,19 @@ static int avi_load_index(AVFormatContext *s)
AVIOContext *pb = s->pb;
uint32_t tag, size;
int64_t pos= avio_tell(pb);
+ int64_t next;
int ret = -1;
if (avio_seek(pb, avi->movi_end, SEEK_SET) < 0)
goto the_end; // maybe truncated file
av_dlog(s, "movi_end=0x%"PRIx64"\n", avi->movi_end);
for(;;) {
- if (url_feof(pb))
- break;
tag = avio_rl32(pb);
size = avio_rl32(pb);
+ if (url_feof(pb))
+ break;
+ next = avio_tell(pb) + size + (size & 1);
+
av_dlog(s, "tag=%c%c%c%c size=0x%x\n",
tag & 0xff,
(tag >> 8) & 0xff,
@@ -1397,11 +1400,15 @@ static int avi_load_index(AVFormatContext *s)
avi_read_idx1(s, size) >= 0) {
avi->index_loaded=2;
ret = 0;
+ }else if(tag == MKTAG('L', 'I', 'S', 'T')) {
+ uint32_t tag1 = avio_rl32(pb);
+
+ if (tag1 == MKTAG('I', 'N', 'F', 'O'))
+ ff_read_riff_info(s, size - 4);
+ }else if(!ret)
break;
- }
- size += (size & 1);
- if (avio_skip(pb, size) < 0)
+ if (avio_seek(pb, next, SEEK_SET) < 0)
break; // something is wrong here
}
the_end:
More information about the ffmpeg-cvslog
mailing list