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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 Michael Niedermayer
parent 85b1e265c9
commit b1ceca016a
1 changed files with 5 additions and 4 deletions
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9
libavformat/smacker.c
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@@ -286,15 +286,16 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
for(i = 0; i < 7; i++) {
if(flags & 1) {
int size;
uint8_t *tmpbuf;
size = avio_rl32(s->pb) - 4;
frame_size -= size;
frame_size -= 4;
smk->curstream++;
smk->bufs[smk->curstream] = av_realloc(smk->bufs[smk->curstream], size);
if (!smk->bufs[smk->curstream]) {
smk->buf_sizes[smk->curstream] = 0;
tmpbuf = av_realloc(smk->bufs[smk->curstream], size);
if (!tmpbuf)
return AVERROR(ENOMEM);
}
smk->bufs[smk->curstream] = tmpbuf;
smk->buf_sizes[smk->curstream] = size;
ret = avio_read(s->pb, smk->bufs[smk->curstream], size);
if(ret != size)