4xm: check the return value of read_huffman_tables().

CC:libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2013-02-13 20:46:08 +01:00
parent 311443f6c7
commit 8097fc9a2d

View File

@ -721,6 +721,10 @@ static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length)
}
prestream = read_huffman_tables(f, prestream);
if (!prestream) {
av_log(f->avctx, AV_LOG_ERROR, "Error reading Huffman tables.\n");
return AVERROR_INVALIDDATA;
}
init_get_bits(&f->gb, buf + 4, 8 * bitstream_size);