void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
+ int idct_perm;
} CAVSDSPContext;
void ff_cavsdsp_init(CAVSDSPContext* c, AVCodecContext *avctx);