virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

flvdec: Check the return value of a malloc

Browse Source 
The callers of this function can't report errors sanely. If this
one malloc fails, don't write the extradata byte, make sure we
try to malloc it the next time we're called instead, and make sure
we still consume the input data byte.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2013-03-01 16:45:24 +02:00
parent c91c63b538
commit c5a738ca4e
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
libavformat/flvdec.c
View File

@@ -213,10 +213,14 @@ static int flv_set_video_codec(AVFormatContext *s, AVStream *vstream, int flv_co
vcodec->codec_id = AV_CODEC_ID_VP6A;
if (read) {
if (vcodec->extradata_size != 1) {
vcodec->extradata_size = 1;
vcodec->extradata = av_malloc(1);
if (vcodec->extradata)
vcodec->extradata_size = 1;
}
vcodec->extradata[0] = avio_r8(s->pb);
if (vcodec->extradata)
vcodec->extradata[0] = avio_r8(s->pb);
else
avio_skip(s->pb, 1);
}
return 1; // 1 byte body size adjustment for flv_read_packet()
case FLV_CODECID_H264: