+#define FF_PARTTRANS_IDCT_PERM 5
+
+ int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale);
+ void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
+#define BASIS_SHIFT 16
+#define RECON_SHIFT 6
+
+ /* h264 functions */
+ void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride);
+ void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
+ void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
+ void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
+ void (*h264_dct)(DCTELEM block[4][4]);
+
+ /* snow wavelet */
+ void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
+ void (*horizontal_compose97i)(IDWTELEM *b, int width);
+ void (*inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
+
+ void (*prefetch)(void *mem, int stride, int h);
+
+ void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
+
+ /* vc1 functions */
+ void (*vc1_inv_trans_8x8)(DCTELEM *b);
+ void (*vc1_inv_trans_8x4)(DCTELEM *b, int n);
+ void (*vc1_inv_trans_4x8)(DCTELEM *b, int n);
+ void (*vc1_inv_trans_4x4)(DCTELEM *b, int n);
+ void (*vc1_v_overlap)(uint8_t* src, int stride);
+ void (*vc1_h_overlap)(uint8_t* src, int stride);
+ /* put 8x8 block with bicubic interpolation and quarterpel precision
+ * last argument is actually round value instead of height
+ */
+ op_pixels_func put_vc1_mspel_pixels_tab[16];
+
+ /* intrax8 functions */
+ void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize);
+ void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
+ int * range, int * sum, int edges);