coeff[1] = lrintf(-(c * c) * (1 << bits));
}
-int avpriv_adx_decode_header(AVCodecContext *avctx, const uint8_t *buf,
- int bufsize, int *header_size, int *coeff)
+int ff_adx_decode_header(AVCodecContext *avctx, const uint8_t *buf,
+ int bufsize, int *header_size, int *coeff)
{
int offset, cutoff;
offset = AV_RB16(buf + 2) + 4;
/* if copyright string is within the provided data, validate it */
- if (bufsize >= offset && memcmp(buf + offset - 6, "(c)CRI", 6))
+ if (bufsize >= offset && offset >= 6 && memcmp(buf + offset - 6, "(c)CRI", 6))
return AVERROR_INVALIDDATA;
/* check for encoding=3 block_size=18, sample_size=4 */