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avformat/avc: return an error in ff_isom_write_avcc if the buffer lenght is too small 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-11-24 19:42:50 -03:00
parent 8c2b37e678
commit ae7df68edd
1 changed files with 3 additions and 2 deletions
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5
libavformat/avc.c
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@ -105,7 +105,9 @@ int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size)
int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len)
{
if (len > 6) {
if (len <= 6)
return AVERROR_INVALIDDATA;
/* check for H.264 start code */
if (AV_RB32(data) == 0x00000001 ||
AV_RB24(data) == 0x000001) {
@ -157,7 +159,6 @@ int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len)
} else {
avio_write(pb, data, len);
}
}
return 0;
}