Lines Matching refs:in

13  * FFmpeg is distributed in the hope that it will be useful,
57 static int idct_row(short *in, const int *const tab, int rnd)
67     const int right = in[5] | in[6] | in[7];
68     const int left  = in[1] | in[2] | in[3];
69     if (!(right | in[4])) {
70         const int k = c4 * in[0] + rnd;
72             const unsigned a0 = k + c2 * in[2];
73             const unsigned a1 = k + c6 * in[2];
74             const unsigned a2 = k - c6 * in[2];
75             const unsigned a3 = k - c2 * in[2];
77             const int b0 = c1 * in[1] + c3 * in[3];
78             const int b1 = c3 * in[1] - c7 * in[3];
79             const int b2 = c5 * in[1] - c1 * in[3];
80             const int b3 = c7 * in[1] - c5 * in[3];
82             in[0] = (int)(a0 + b0) >> ROW_SHIFT;
83             in[1] = (int)(a1 + b1) >> ROW_SHIFT;
84             in[2] = (int)(a2 + b2) >> ROW_SHIFT;
85             in[3] = (int)(a3 + b3) >> ROW_SHIFT;
86             in[4] = (int)(a3 - b3) >> ROW_SHIFT;
87             in[5] = (int)(a2 - b2) >> ROW_SHIFT;
88             in[6] = (int)(a1 - b1) >> ROW_SHIFT;
89             in[7] = (int)(a0 - b0) >> ROW_SHIFT;
93                 in[0] =
94                 in[1] =
95                 in[2] =
96                 in[3] =
97                 in[4] =
98                 in[5] =
99                 in[6] =
100                 in[7] = a0;
105         const int a0 = (int)(rnd + c4 * (in[0] + in[4])) >> ROW_SHIFT;
106         const int a1 = (int)(rnd + c4 * (in[0] - in[4])) >> ROW_SHIFT;
108         in[0] = a0;
109         in[3] = a0;
110         in[4] = a0;
111         in[7] = a0;
112         in[1] = a1;
113         in[2] = a1;
114         in[5] = a1;
115         in[6] = a1;
117         const unsigned int k  = c4 * in[0] + rnd;
118         const unsigned int a0 = k + c2 * in[2] + c4 * in[4] + c6 * in[6];
119         const unsigned int a1 = k + c6 * in[2] - c4 * in[4] - c2 * in[6];
120         const unsigned int a2 = k - c6 * in[2] - c4 * in[4] + c2 * in[6];
121         const unsigned int a3 = k - c2 * in[2] + c4 * in[4] - c6 * in[6];
123         const unsigned int b0 = c1 * in[1] + c3 * in[3] + c5 * in[5] + c7 * in[7];
124         const unsigned int b1 = c3 * in[1] - c7 * in[3] - c1 * in[5] - c5 * in[7];
125         const unsigned int b2 = c5 * in[1] - c1 * in[3] + c7 * in[5] + c3 * in[7];
126         const unsigned int b3 = c7 * in[1] - c5 * in[3] + c3 * in[5] - c1 * in[7];
128         in[0] = (int)(a0 + b0) >> ROW_SHIFT;
129         in[1] = (int)(a1 + b1) >> ROW_SHIFT;
130         in[2] = (int)(a2 + b2) >> ROW_SHIFT;
131         in[3] = (int)(a3 + b3) >> ROW_SHIFT;
132         in[4] = (int)(a3 - b3) >> ROW_SHIFT;
133         in[5] = (int)(a2 - b2) >> ROW_SHIFT;
134         in[6] = (int)(a1 - b1) >> ROW_SHIFT;
135         in[7] = (int)(a0 - b0) >> ROW_SHIFT;
158 static void idct_col_8(short *const in)
164     mm4 = (int) in[7 * 8];
165     mm5 = (int) in[5 * 8];
166     mm6 = (int) in[3 * 8];
167     mm7 = (int) in[1 * 8];
182                                     // the pmulhw used in MMX/MMXEXT/SSE2 versions
186     mm1 = (int) in[2 * 8];
187     mm2 = (int) in[6 * 8];
191     LOAD_BUTTERFLY(mm0, mm1, 0 * 8, 4 * 8, spill, in);
195     in[8 * 0] = (int16_t) (mm0 >> COL_SHIFT);
196     in[8 * 7] = (int16_t) (mm7 >> COL_SHIFT);
198     in[8 * 3] = (int16_t) (mm3 >> COL_SHIFT);
199     in[8 * 4] = (int16_t) (mm4 >> COL_SHIFT);
203     in[8 * 1] = (int16_t) (mm1 >> COL_SHIFT);
204     in[8 * 6] = (int16_t) (mm6 >> COL_SHIFT);
206     in[8 * 2] = (int16_t) (mm2 >> COL_SHIFT);
207     in[8 * 5] = (int16_t) (mm5 >> COL_SHIFT);
210 static void idct_col_4(short *const in)
216     mm0 = (int) in[1 * 8];
217     mm2 = (int) in[3 * 8];
233     mm0 = mm1 = (int) in[0 * 8];
234     mm3 = (int) in[2 * 8];
239     in[8 * 0] = (int16_t) (mm0 >> COL_SHIFT);
240     in[8 * 7] = (int16_t) (mm7 >> COL_SHIFT);
242     in[8 * 3] = (int16_t) (mm3 >> COL_SHIFT);
243     in[8 * 4] = (int16_t) (mm4 >> COL_SHIFT);
247     in[8 * 1] = (int16_t) (mm1 >> COL_SHIFT);
248     in[8 * 6] = (int16_t) (mm6 >> COL_SHIFT);
250     in[8 * 2] = (int16_t) (mm2 >> COL_SHIFT);
251     in[8 * 5] = (int16_t) (mm5 >> COL_SHIFT);
254 static void idct_col_3(short *const in)
260     mm7 = (int) in[1 * 8];
270     mm0 = mm1 = (int) in[0 * 8];
271     mm3 = (int) in[2 * 8];
276     in[8 * 0] = (int16_t) (mm0 >> COL_SHIFT);
277     in[8 * 7] = (int16_t) (mm7 >> COL_SHIFT);
279     in[8 * 3] = (int16_t) (mm3 >> COL_SHIFT);
280     in[8 * 4] = (int16_t) (mm4 >> COL_SHIFT);
284     in[8 * 1] = (int16_t) (mm1 >> COL_SHIFT);
285     in[8 * 6] = (int16_t) (mm6 >> COL_SHIFT);
287     in[8 * 2] = (int16_t) (mm2 >> COL_SHIFT);
288     in[8 * 5] = (int16_t) (mm5 >> COL_SHIFT);
291 void ff_xvid_idct(int16_t *const in)
295     idct_row(in + 0 * 8, TAB04, RND0);
296     idct_row(in + 1 * 8, TAB17, RND1);
297     idct_row(in + 2 * 8, TAB26, RND2);
298     if (idct_row(in + 3 * 8, TAB35, RND3))
300     if (idct_row(in + 4 * 8, TAB04, RND4))
302     if (idct_row(in + 5 * 8, TAB35, RND5))
304     if (idct_row(in + 6 * 8, TAB26, RND6))
306     if (idct_row(in + 7 * 8, TAB17, RND7))
311             idct_col_8(in + i);
314             idct_col_4(in + i);
317             idct_col_3(in + i);