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smacker demuxer: handle possible av_realloc() failure.

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Kostya Shishkov 2011-09-12 09:40:42 +02:00 committed by Anton Khirnov
parent 615baa13e4
commit 47a8589f7b
1 changed files with 6 additions and 1 deletions
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7
libavformat/smacker.c
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@ -286,11 +286,16 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
for(i = 0; i < 7; i++) { for(i = 0; i < 7; i++) {
if(flags & 1) { if(flags & 1) {
int size; int size;
uint8_t *tmpbuf;
size = avio_rl32(s->pb) - 4; size = avio_rl32(s->pb) - 4;
frame_size -= size; frame_size -= size;
frame_size -= 4; frame_size -= 4;
smk->curstream++; smk->curstream++;
smk->bufs[smk->curstream] = av_realloc(smk->bufs[smk->curstream], size); tmpbuf = av_realloc(smk->bufs[smk->curstream], size);
if (!tmpbuf)
return AVERROR(ENOMEM);
smk->bufs[smk->curstream] = tmpbuf;
smk->buf_sizes[smk->curstream] = size; smk->buf_sizes[smk->curstream] = size;
ret = avio_read(s->pb, smk->bufs[smk->curstream], size); ret = avio_read(s->pb, smk->bufs[smk->curstream], size);
if(ret != size) if(ret != size)