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mpegvideoenc_template.c
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1 /*
2  * MPEG video MMX templates
3  *
4  * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include <stdint.h>
24 
25 #include "libavutil/internal.h"
26 #include "libavutil/mem_internal.h"
27 #include "libavutil/x86/asm.h"
28 #include "libavcodec/mpegutils.h"
29 #include "libavcodec/mpegvideoenc.h"
30 #include "fdct.h"
31 
32 #undef SPREADW
33 #undef PMAXW
34 #undef PMAX
35 #undef SAVE_SIGN
36 #undef RESTORE_SIGN
37 
38 #define SPREADW(a) \
39  "pshuflw $0, "a", "a" \n\t"\
40  "punpcklwd "a", "a" \n\t"
41 #define PMAX(a,b) \
42  "movhlps "a", "b" \n\t"\
43  "pmaxsw "b", "a" \n\t"\
44  "pshuflw $0x0E, "a", "b" \n\t"\
45  "pmaxsw "b", "a" \n\t"\
46  "pshuflw $0x01, "a", "b" \n\t"\
47  "pmaxsw "b", "a" \n\t"
48 
49 #if COMPILE_TEMPLATE_SSSE3
50 #define SAVE_SIGN(a,b) \
51  "movdqa "b", "a" \n\t"\
52  "pabsw "b", "b" \n\t"
53 #define RESTORE_SIGN(a,b) \
54  "psignw "a", "b" \n\t"
55 #else
56 #define SAVE_SIGN(a,b) \
57  "pxor "a", "a" \n\t"\
58  "pcmpgtw "b", "a" \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\
59  "pxor "a", "b" \n\t"\
60  "psubw "a", "b" \n\t" /* ABS(block[i]) */
61 #define RESTORE_SIGN(a,b) \
62  "pxor "a", "b" \n\t"\
63  "psubw "a", "b" \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
64 #endif
65 
66 static int RENAME(dct_quantize)(MPVEncContext *const s,
67  int16_t *block, int n,
68  int qscale, int *overflow)
69 {
70  x86_reg last_non_zero_p1;
71  int level=0, q; //=0 is because gcc says uninitialized ...
72  const uint16_t *qmat, *bias;
73  LOCAL_ALIGNED_16(int16_t, temp_block, [64]);
74 
75  //s->fdct (block);
76  ff_fdct_sse2(block); // cannot be anything else ...
77 
78  if(s->dct_error_sum)
79  s->denoise_dct(s, block);
80 
81  if (s->c.mb_intra) {
82  int dummy;
83  if (n < 4){
84  q = s->c.y_dc_scale;
85  bias = s->q_intra_matrix16[qscale][1];
86  qmat = s->q_intra_matrix16[qscale][0];
87  }else{
88  q = s->c.c_dc_scale;
89  bias = s->q_chroma_intra_matrix16[qscale][1];
90  qmat = s->q_chroma_intra_matrix16[qscale][0];
91  }
92  /* note: block[0] is assumed to be positive */
93  if (!s->c.h263_aic) {
94  __asm__ volatile (
95  "mul %%ecx \n\t"
96  : "=d" (level), "=a"(dummy)
97  : "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1])
98  );
99  } else
100  /* For AIC we skip quant/dequant of INTRADC */
101  level = (block[0] + 4)>>3;
102 
103  block[0]=0; //avoid fake overflow
104 // temp_block[0] = (block[0] + (q >> 1)) / q;
105  last_non_zero_p1 = 1;
106  } else {
107  last_non_zero_p1 = 0;
108  bias = s->q_inter_matrix16[qscale][1];
109  qmat = s->q_inter_matrix16[qscale][0];
110  }
111 
112  if ((s->c.out_format == FMT_H263 || s->c.out_format == FMT_H261) && !s->c.mpeg_quant) {
113  __asm__ volatile(
114  "movd %%"FF_REG_a", %%xmm3 \n\t" // last_non_zero_p1
115  SPREADW("%%xmm3")
116  "pxor %%xmm7, %%xmm7 \n\t" // 0
117  "pxor %%xmm4, %%xmm4 \n\t" // 0
118  "movdqa (%2), %%xmm5 \n\t" // qmat[0]
119  "pxor %%xmm6, %%xmm6 \n\t"
120  "psubw (%3), %%xmm6 \n\t" // -bias[0]
121  "mov $-128, %%"FF_REG_a" \n\t"
122  ".p2align 4 \n\t"
123  "1: \n\t"
124  "movdqa (%1, %%"FF_REG_a"), %%xmm0 \n\t" // block[i]
125  SAVE_SIGN("%%xmm1", "%%xmm0") // ABS(block[i])
126  "psubusw %%xmm6, %%xmm0 \n\t" // ABS(block[i]) + bias[0]
127  "pmulhw %%xmm5, %%xmm0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
128  "por %%xmm0, %%xmm4 \n\t"
129  RESTORE_SIGN("%%xmm1", "%%xmm0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
130  "movdqa %%xmm0, (%5, %%"FF_REG_a") \n\t"
131  "pcmpeqw %%xmm7, %%xmm0 \n\t" // out==0 ? 0xFF : 0x00
132  "movdqa (%4, %%"FF_REG_a"), %%xmm1 \n\t"
133  "movdqa %%xmm7, (%1, %%"FF_REG_a") \n\t" // 0
134  "pandn %%xmm1, %%xmm0 \n\t"
135  "pmaxsw %%xmm0, %%xmm3 \n\t"
136  "add $16, %%"FF_REG_a" \n\t"
137  " js 1b \n\t"
138  PMAX("%%xmm3", "%%xmm0")
139  "movd %%xmm3, %%"FF_REG_a" \n\t"
140  "movzbl %%al, %%eax \n\t" // last_non_zero_p1
141  : "+a" (last_non_zero_p1)
142  : "r" (block+64), "r" (qmat), "r" (bias),
143  "r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
144  XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
145  "%xmm4", "%xmm5", "%xmm6", "%xmm7")
146  );
147  }else{ // FMT_H263
148  __asm__ volatile(
149  "movd %%"FF_REG_a", %%xmm3 \n\t" // last_non_zero_p1
150  SPREADW("%%xmm3")
151  "pxor %%xmm7, %%xmm7 \n\t" // 0
152  "pxor %%xmm4, %%xmm4 \n\t" // 0
153  "mov $-128, %%"FF_REG_a" \n\t"
154  ".p2align 4 \n\t"
155  "1: \n\t"
156  "movdqa (%1, %%"FF_REG_a"), %%xmm0 \n\t" // block[i]
157  SAVE_SIGN("%%xmm1", "%%xmm0") // ABS(block[i])
158  "movdqa (%3, %%"FF_REG_a"), %%xmm6 \n\t" // bias[0]
159  "paddusw %%xmm6, %%xmm0 \n\t" // ABS(block[i]) + bias[0]
160  "movdqa (%2, %%"FF_REG_a"), %%xmm5 \n\t" // qmat[i]
161  "pmulhw %%xmm5, %%xmm0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
162  "por %%xmm0, %%xmm4 \n\t"
163  RESTORE_SIGN("%%xmm1", "%%xmm0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
164  "movdqa %%xmm0, (%5, %%"FF_REG_a") \n\t"
165  "pcmpeqw %%xmm7, %%xmm0 \n\t" // out==0 ? 0xFF : 0x00
166  "movdqa (%4, %%"FF_REG_a"), %%xmm1 \n\t"
167  "movdqa %%xmm7, (%1, %%"FF_REG_a") \n\t" // 0
168  "pandn %%xmm1, %%xmm0 \n\t"
169  "pmaxsw %%xmm0, %%xmm3 \n\t"
170  "add $16, %%"FF_REG_a" \n\t"
171  " js 1b \n\t"
172  PMAX("%%xmm3", "%%xmm0")
173  "movd %%xmm3, %%"FF_REG_a" \n\t"
174  "movzbl %%al, %%eax \n\t" // last_non_zero_p1
175  : "+a" (last_non_zero_p1)
176  : "r" (block+64), "r" (qmat+64), "r" (bias+64),
177  "r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
178  XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
179  "%xmm4", "%xmm5", "%xmm6", "%xmm7")
180  );
181  }
182  __asm__ volatile(
183  "movd %1, %%xmm1 \n\t" // max_qcoeff
184  SPREADW("%%xmm1")
185  "psubusw %%xmm1, %%xmm4 \n\t"
186  "packuswb %%xmm4, %%xmm4 \n\t"
187  "packsswb %%xmm4, %%xmm4 \n\t"
188  "movd %%xmm4, %0 \n\t" // *overflow
189  : "=g" (*overflow)
190  : "g" (s->max_qcoeff)
191  );
192 
193  block[0] = s->c.mb_intra ? level : temp_block[0];
194 
195  av_assert2(ARCH_X86_32 || s->c.idsp.perm_type != FF_IDCT_PERM_SIMPLE);
196  if (ARCH_X86_32 && s->c.idsp.perm_type == FF_IDCT_PERM_SIMPLE) {
197  if(last_non_zero_p1 <= 1) goto end;
198  block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08];
199  block[0x20] = temp_block[0x10];
200  if(last_non_zero_p1 <= 4) goto end;
201  block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02];
202  block[0x09] = temp_block[0x03];
203  if(last_non_zero_p1 <= 7) goto end;
204  block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11];
205  block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20];
206  if(last_non_zero_p1 <= 11) goto end;
207  block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12];
208  block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04];
209  block[0x0C] = temp_block[0x05];
210  if(last_non_zero_p1 <= 16) goto end;
211  block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13];
212  block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21];
213  block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30];
214  block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22];
215  if(last_non_zero_p1 <= 24) goto end;
216  block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14];
217  block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06];
218  block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E];
219  block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C];
220  if(last_non_zero_p1 <= 32) goto end;
221  block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A];
222  block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38];
223  block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32];
224  block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24];
225  if(last_non_zero_p1 <= 40) goto end;
226  block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16];
227  block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17];
228  block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25];
229  block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33];
230  if(last_non_zero_p1 <= 48) goto end;
231  block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
232  block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D];
233  block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
234  block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
235  if(last_non_zero_p1 <= 56) goto end;
236  block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C];
237  block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36];
238  block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37];
239  block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
240  } else if (s->c.idsp.perm_type == FF_IDCT_PERM_LIBMPEG2) {
241  if(last_non_zero_p1 <= 1) goto end;
242  block[0x04] = temp_block[0x01];
243  block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
244  if(last_non_zero_p1 <= 4) goto end;
245  block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02];
246  block[0x05] = temp_block[0x03];
247  if(last_non_zero_p1 <= 7) goto end;
248  block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11];
249  block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
250  if(last_non_zero_p1 <= 11) goto end;
251  block[0x1C] = temp_block[0x19];
252  block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B];
253  block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05];
254  if(last_non_zero_p1 <= 16) goto end;
255  block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13];
256  block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21];
257  block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
258  block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22];
259  if(last_non_zero_p1 <= 24) goto end;
260  block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14];
261  block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06];
262  block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E];
263  block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C];
264  if(last_non_zero_p1 <= 32) goto end;
265  block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A];
266  block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38];
267  block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32];
268  block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24];
269  if(last_non_zero_p1 <= 40) goto end;
270  block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16];
271  block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
272  block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25];
273  block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33];
274  if(last_non_zero_p1 <= 48) goto end;
275  block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B];
276  block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D];
277  block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
278  block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E];
279  if(last_non_zero_p1 <= 56) goto end;
280  block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C];
281  block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36];
282  block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
283  block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
284  } else if (s->c.idsp.perm_type == FF_IDCT_PERM_NONE) {
285  if(last_non_zero_p1 <= 1) goto end;
286  block[0x01] = temp_block[0x01];
287  block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
288  if(last_non_zero_p1 <= 4) goto end;
289  block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02];
290  block[0x03] = temp_block[0x03];
291  if(last_non_zero_p1 <= 7) goto end;
292  block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11];
293  block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
294  if(last_non_zero_p1 <= 11) goto end;
295  block[0x19] = temp_block[0x19];
296  block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B];
297  block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05];
298  if(last_non_zero_p1 <= 16) goto end;
299  block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13];
300  block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21];
301  block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
302  block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22];
303  if(last_non_zero_p1 <= 24) goto end;
304  block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14];
305  block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06];
306  block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E];
307  block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C];
308  if(last_non_zero_p1 <= 32) goto end;
309  block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A];
310  block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38];
311  block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32];
312  block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
313  if(last_non_zero_p1 <= 40) goto end;
314  block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16];
315  block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
316  block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25];
317  block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33];
318  if(last_non_zero_p1 <= 48) goto end;
319  block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
320  block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
321  block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
322  block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E];
323  if(last_non_zero_p1 <= 56) goto end;
324  block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C];
325  block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
326  block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
327  block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
328  } else if (s->c.idsp.perm_type == FF_IDCT_PERM_TRANSPOSE) {
329  if(last_non_zero_p1 <= 1) goto end;
330  block[0x08] = temp_block[0x01];
331  block[0x01] = temp_block[0x08]; block[0x02] = temp_block[0x10];
332  if(last_non_zero_p1 <= 4) goto end;
333  block[0x09] = temp_block[0x09]; block[0x10] = temp_block[0x02];
334  block[0x18] = temp_block[0x03];
335  if(last_non_zero_p1 <= 7) goto end;
336  block[0x11] = temp_block[0x0A]; block[0x0A] = temp_block[0x11];
337  block[0x03] = temp_block[0x18]; block[0x04] = temp_block[0x20];
338  if(last_non_zero_p1 <= 11) goto end;
339  block[0x0B] = temp_block[0x19];
340  block[0x12] = temp_block[0x12]; block[0x19] = temp_block[0x0B];
341  block[0x20] = temp_block[0x04]; block[0x28] = temp_block[0x05];
342  if(last_non_zero_p1 <= 16) goto end;
343  block[0x21] = temp_block[0x0C]; block[0x1A] = temp_block[0x13];
344  block[0x13] = temp_block[0x1A]; block[0x0C] = temp_block[0x21];
345  block[0x05] = temp_block[0x28]; block[0x06] = temp_block[0x30];
346  block[0x0D] = temp_block[0x29]; block[0x14] = temp_block[0x22];
347  if(last_non_zero_p1 <= 24) goto end;
348  block[0x1B] = temp_block[0x1B]; block[0x22] = temp_block[0x14];
349  block[0x29] = temp_block[0x0D]; block[0x30] = temp_block[0x06];
350  block[0x38] = temp_block[0x07]; block[0x31] = temp_block[0x0E];
351  block[0x2A] = temp_block[0x15]; block[0x23] = temp_block[0x1C];
352  if(last_non_zero_p1 <= 32) goto end;
353  block[0x1C] = temp_block[0x23]; block[0x15] = temp_block[0x2A];
354  block[0x0E] = temp_block[0x31]; block[0x07] = temp_block[0x38];
355  block[0x0F] = temp_block[0x39]; block[0x16] = temp_block[0x32];
356  block[0x1D] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
357  if(last_non_zero_p1 <= 40) goto end;
358  block[0x2B] = temp_block[0x1D]; block[0x32] = temp_block[0x16];
359  block[0x39] = temp_block[0x0F]; block[0x3A] = temp_block[0x17];
360  block[0x33] = temp_block[0x1E]; block[0x2C] = temp_block[0x25];
361  block[0x25] = temp_block[0x2C]; block[0x1E] = temp_block[0x33];
362  if(last_non_zero_p1 <= 48) goto end;
363  block[0x17] = temp_block[0x3A]; block[0x1F] = temp_block[0x3B];
364  block[0x26] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
365  block[0x34] = temp_block[0x26]; block[0x3B] = temp_block[0x1F];
366  block[0x3C] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
367  if(last_non_zero_p1 <= 56) goto end;
368  block[0x2E] = temp_block[0x35]; block[0x27] = temp_block[0x3C];
369  block[0x2F] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
370  block[0x3D] = temp_block[0x2F]; block[0x3E] = temp_block[0x37];
371  block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
372  } else {
373  av_log(s->c.avctx, AV_LOG_DEBUG, "s->c.idsp.perm_type: %d\n",
374  (int)s->c.idsp.perm_type);
375  av_assert0(s->c.idsp.perm_type == FF_IDCT_PERM_NONE ||
376  s->c.idsp.perm_type == FF_IDCT_PERM_LIBMPEG2 ||
377  s->c.idsp.perm_type == FF_IDCT_PERM_SIMPLE ||
378  s->c.idsp.perm_type == FF_IDCT_PERM_TRANSPOSE);
379  }
380  end:
381  return last_non_zero_p1 - 1;
382 }
level
uint8_t level
Definition: svq3.c:205
MPVEncContext
Definition: mpegvideoenc.h:45
mem_internal.h
x86_reg
int x86_reg
Definition: asm.h:72
mpegvideoenc.h
fdct.h
FMT_H261
@ FMT_H261
Definition: mpegvideo.h:55
mpegutils.h
ff_inverse
const uint32_t ff_inverse[257]
Definition: mathtables.c:27
dummy
int dummy
Definition: motion.c:66
ff_fdct_sse2
void ff_fdct_sse2(int16_t *block)
s
#define s(width, name)
Definition: cbs_vp9.c:198
LOCAL_ALIGNED_16
#define LOCAL_ALIGNED_16(t, v,...)
Definition: mem_internal.h:130
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:40
AV_LOG_DEBUG
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:230
FMT_H263
@ FMT_H263
Definition: mpegvideo.h:56
asm.h
bias
static int bias(int x, int c)
Definition: vqcdec.c:115
SAVE_SIGN
#define SAVE_SIGN(a, b)
Definition: mpegvideoenc_template.c:56
FF_IDCT_PERM_NONE
@ FF_IDCT_PERM_NONE
Definition: idctdsp.h:28
SPREADW
#define SPREADW(a)
Definition: mpegvideoenc_template.c:38
av_assert2
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:67
internal.h
PMAX
#define PMAX(a, b)
Definition: mpegvideoenc_template.c:41
__asm__
__asm__(".macro parse_r var r\n\t" "\\var = -1\n\t" _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) ".iflt \\var\n\t" ".error \"Unable to parse register name \\r\"\n\t" ".endif\n\t" ".endm")
FF_IDCT_PERM_TRANSPOSE
@ FF_IDCT_PERM_TRANSPOSE
Definition: idctdsp.h:31
RENAME
#define RENAME(element)
Definition: ac3enc_template.c:44
XMM_CLOBBERS_ONLY
#define XMM_CLOBBERS_ONLY(...)
Definition: asm.h:99
overflow
Undefined Behavior In the C some operations are like signed integer overflow
Definition: undefined.txt:3
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
FF_IDCT_PERM_SIMPLE
@ FF_IDCT_PERM_SIMPLE
Definition: idctdsp.h:30
FF_IDCT_PERM_LIBMPEG2
@ FF_IDCT_PERM_LIBMPEG2
Definition: idctdsp.h:29
inv_zigzag_direct16
static const uint16_t inv_zigzag_direct16[64]
Definition: mpegvideoenc.c:32
RESTORE_SIGN
#define RESTORE_SIGN(a, b)
Definition: mpegvideoenc_template.c:61
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