/**
* Check if the top & left blocks are available if needed & change the dc mode so it only uses the available blocks.
*/
-int ff_h264_check_intra_pred_mode(H264Context *h, int mode);
+int ff_h264_check_intra_pred_mode(H264Context *h, int mode, int is_chroma);
void ff_h264_hl_decode_mb(H264Context *h);
int ff_h264_frame_start(H264Context *h);