49                     coef[y * sz + x] = src[y * PIXEL_STRIDE + x] -           \
52                     ((int32_t *)coef)[y * sz + x] =                          \
61 static void dct4x4_##size(dctcoef *coef)                                     \
66         const int z0 = coef[i*4 + 0] + coef[i*4 + 3];                        \
67         const int z1 = coef[i*4 + 1] + coef[i*4 + 2];                        \
68         const int z2 = coef[i*4 + 0] - coef[i*4 + 3];                        \
69         const int z3 = coef[i*4 + 1] - coef[i*4 + 2];                        \
80         coef[i*4 + 0] =   z0 +   z1;                                         \
81         coef[i*4 + 1] = 2*z2 +   z3;                                         \
82         coef[i*4 + 2] =   z0 -   z1;                                         \
83         coef[i*4 + 3] =   z2 - 2*z3;                                         \
89             coef[y*4 + x] = (coef[y*4 + x] * scale[idx] + (1 << 14)) >> 15;  \
122 static void dct8x8_##size(dctcoef *coef)                                     \
127         DCT8_1D(coef + i, 8, tmp + i, 8);                                    \
130         DCT8_1D(tmp + 8*i, 1, coef + i, 8);                                  \
145             coef[y*8 + x] = ((int64_t)coef[y*8 + x] *                        \
157 static void dct4x4(int16_t *coef, int bit_depth)  in dct4x4()  argument
160         dct4x4_16(coef);  in dct4x4()
162         dct4x4_32((int32_t *) coef);  in dct4x4()
165 static void dct8x8(int16_t *coef, int bit_depth)  in dct8x8()  argument
168         dct8x8_16(coef);  in dct8x8()
170         dct8x8_32((int32_t *) coef);  in dct8x8()
181     LOCAL_ALIGNED_16(int16_t, coef, [8 * 8 * 2]);  in check_idct()
194                 dct4x4(coef, bit_depth);  in check_idct()
196                 dct8x8(coef, bit_depth);  in check_idct()
211                             memcpy(subcoef0, coef, SIZEOF_COEF);  in check_idct()
213                             memcpy(subcoef0, coef, sz * sz * SIZEOF_COEF);  in check_idct()
272                 int16_t coef[8 * 8 * 2];  in check_idct_multiple()  local
281                     dct4x4(coef, bit_depth);  in check_idct_multiple()
283                     dct8x8(coef, bit_depth);  in check_idct_multiple()
291                 memcpy(&coef_full[i * SIZEOF_COEF/sizeof(coef[0])],  in check_idct_multiple()
292                        coef, nnz * SIZEOF_COEF);  in check_idct_multiple()