/** Find VC-1 marker in buffer
* @return position where next marker starts or end of buffer if no marker found
*/
-static av_always_inline uint8_t* find_next_marker(uint8_t *src, uint8_t *end)
+static av_always_inline const uint8_t* find_next_marker(const uint8_t *src, const uint8_t *end)
{
uint32_t mrk = 0xFFFFFFFF;
return end;
}
-static av_always_inline int vc1_unescape_buffer(uint8_t *src, int size, uint8_t *dst)
+static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, uint8_t *dst)
{
int dsize = 0, i;
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
}
} else { // VC1/WVC1
- uint8_t *start = avctx->extradata, *end = avctx->extradata + avctx->extradata_size;
- uint8_t *next; int size, buf2_size;
+ const uint8_t *start = avctx->extradata;
+ uint8_t *end = avctx->extradata + avctx->extradata_size;
+ const uint8_t *next;
+ int size, buf2_size;
uint8_t *buf2 = NULL;
int seq_inited = 0, ep_inited = 0;
}
}
}else if(v->interlace && ((buf[0] & 0xC0) == 0xC0)){ /* WVC1 interlaced stores both fields divided by marker */
- uint8_t *divider;
+ const uint8_t *divider;
divider = find_next_marker(buf, buf + buf_size);
if((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD){