50 #define W1 22725 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
51 #define W2 21407 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
52 #define W3 19266 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
53 #define W4 16383 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
54 #define W5 12873 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
55 #define W6 8867 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
56 #define W7 4520 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
62 #define MUL(a, b) MUL16(a, b)
63 #define MAC(a, b, c) MAC16(a, b, c)
65 #elif BIT_DEPTH == 10 || BIT_DEPTH == 12
68 #define W1 22725 // 90901
69 #define W2 21407 // 85627
70 #define W3 19265 // 77062
71 #define W4 16384 // 65535
72 #define W5 12873 // 51491
73 #define W6 8867 // 35468
74 #define W7 4520 // 18081
80 # elif IN_IDCT_DEPTH == 32
104 #define MUL(a, b) ((int)((SUINT)(a) * (b)))
105 #define MAC(a, b, c) ((a) += (SUINT)(b) * (c))
109 #error "Unsupported bitdepth"
114 static inline void FUNC(idctRowCondDC_extrashift)(int16_t *row,
int extra_shift)
122 #if IN_IDCT_DEPTH == 16
124 #define ROW0_MASK (0xffffULL << 48 * HAVE_BIGENDIAN)
128 temp = (row[0] * (1 << (
DC_SHIFT - extra_shift))) & 0xffff;
133 temp +=
temp * ((uint64_t) 1 << 32);
145 temp = (row[0] * (1 << (
DC_SHIFT - extra_shift))) & 0xffff;
172 MAC(
b1, -
W7, row[3]);
174 MAC(
b2, -
W1, row[3]);
176 MAC(
b3, -
W5, row[3]);
178 #if IN_IDCT_DEPTH == 32
191 MAC(
b1, -
W1, row[5]);
192 MAC(
b1, -
W5, row[7]);
198 MAC(
b3, -
W1, row[7]);
211 #define IDCT_COLS do { \
212 a0 = (SUINT)W4 * (col[8*0] + ((1<<(COL_SHIFT-1))/W4)); \
217 a0 += (SUINT) W2*col[8*2]; \
218 a1 += (SUINT) W6*col[8*2]; \
219 a2 += (SUINT)-W6*col[8*2]; \
220 a3 += (SUINT)-W2*col[8*2]; \
222 b0 = MUL(W1, col[8*1]); \
223 b1 = MUL(W3, col[8*1]); \
224 b2 = MUL(W5, col[8*1]); \
225 b3 = MUL(W7, col[8*1]); \
227 MAC(b0, W3, col[8*3]); \
228 MAC(b1, -W7, col[8*3]); \
229 MAC(b2, -W1, col[8*3]); \
230 MAC(b3, -W5, col[8*3]); \
233 a0 += (SUINT) W4*col[8*4]; \
234 a1 += (SUINT)-W4*col[8*4]; \
235 a2 += (SUINT)-W4*col[8*4]; \
236 a3 += (SUINT) W4*col[8*4]; \
240 MAC(b0, W5, col[8*5]); \
241 MAC(b1, -W1, col[8*5]); \
242 MAC(b2, W7, col[8*5]); \
243 MAC(b3, W3, col[8*5]); \
247 a0 += (SUINT) W6*col[8*6]; \
248 a1 += (SUINT)-W2*col[8*6]; \
249 a2 += (SUINT) W2*col[8*6]; \
250 a3 += (SUINT)-W6*col[8*6]; \
254 MAC(b0, W7, col[8*7]); \
255 MAC(b1, -W5, col[8*7]); \
256 MAC(b2, W3, col[8*7]); \
257 MAC(b3, -W1, col[8*7]); \
262 static inline void FUNC(idctSparseCol_extrashift)(int16_t *col)
336 line_size /=
sizeof(
pixel);
338 for (
i = 0;
i < 8;
i++)
341 for (
i = 0;
i < 8;
i++)
345 #if IN_IDCT_DEPTH == 16
346 void FUNC6(ff_simple_idct_add)(uint8_t *dest_, ptrdiff_t line_size, int16_t *
block)
351 line_size /=
sizeof(
pixel);
353 for (
i = 0;
i < 8;
i++)
356 for (
i = 0;
i < 8;
i++)
364 for (
i = 0;
i < 8;
i++)
367 for (
i = 0;
i < 8;
i++)