FFmpeg
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/mathops.h"
29 #include "libavcodec/mpegutils.h"
30 #include "libavcodec/mpegvideoenc.h"
31 #include "fdct.h"
32 
33 #undef SPREADW
34 #undef PMAXW
35 #undef PMAX
36 #undef SAVE_SIGN
37 #undef RESTORE_SIGN
38 
39 #define SPREADW(a) \
40  "pshuflw $0, "a", "a" \n\t"\
41  "punpcklwd "a", "a" \n\t"
42 #define PMAX(a,b) \
43  "movhlps "a", "b" \n\t"\
44  "pmaxsw "b", "a" \n\t"\
45  "pshuflw $0x0E, "a", "b" \n\t"\
46  "pmaxsw "b", "a" \n\t"\
47  "pshuflw $0x01, "a", "b" \n\t"\
48  "pmaxsw "b", "a" \n\t"
49 
50 #if COMPILE_TEMPLATE_SSSE3
51 #define SAVE_SIGN(a,b) \
52  "movdqa "b", "a" \n\t"\
53  "pabsw "b", "b" \n\t"
54 #define RESTORE_SIGN(a,b) \
55  "psignw "a", "b" \n\t"
56 #else
57 #define SAVE_SIGN(a,b) \
58  "pxor "a", "a" \n\t"\
59  "pcmpgtw "b", "a" \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\
60  "pxor "a", "b" \n\t"\
61  "psubw "a", "b" \n\t" /* ABS(block[i]) */
62 #define RESTORE_SIGN(a,b) \
63  "pxor "a", "b" \n\t"\
64  "psubw "a", "b" \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
65 #endif
66 
67 static int RENAME(dct_quantize)(MPVEncContext *const s,
68  int16_t *block, int n,
69  int qscale, int *overflow)
70 {
71  x86_reg last_non_zero_p1;
72  int level=0, q; //=0 is because gcc says uninitialized ...
73  const uint16_t *qmat, *bias;
74  LOCAL_ALIGNED_16(int16_t, temp_block, [64]);
75 
76  //s->fdct (block);
77  ff_fdct_sse2(block); // cannot be anything else ...
78 
79  if(s->dct_error_sum)
80  s->denoise_dct(s, block);
81 
82  if (s->c.mb_intra) {
83  int dummy;
84  if (n < 4){
85  q = s->c.y_dc_scale;
86  bias = s->q_intra_matrix16[qscale][1];
87  qmat = s->q_intra_matrix16[qscale][0];
88  }else{
89  q = s->c.c_dc_scale;
90  bias = s->q_chroma_intra_matrix16[qscale][1];
91  qmat = s->q_chroma_intra_matrix16[qscale][0];
92  }
93  /* note: block[0] is assumed to be positive */
94  if (!s->c.h263_aic) {
95  __asm__ volatile (
96  "mul %%ecx \n\t"
97  : "=d" (level), "=a"(dummy)
98  : "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1])
99  );
100  } else
101  /* For AIC we skip quant/dequant of INTRADC */
102  level = (block[0] + 4)>>3;
103 
104  block[0]=0; //avoid fake overflow
105 // temp_block[0] = (block[0] + (q >> 1)) / q;
106  last_non_zero_p1 = 1;
107  } else {
108  last_non_zero_p1 = 0;
109  bias = s->q_inter_matrix16[qscale][1];
110  qmat = s->q_inter_matrix16[qscale][0];
111  }
112 
113  if ((s->c.out_format == FMT_H263 || s->c.out_format == FMT_H261) && !s->mpeg_quant) {
114  __asm__ volatile(
115  "movd %%"FF_REG_a", %%xmm3 \n\t" // last_non_zero_p1
116  SPREADW("%%xmm3")
117  "pxor %%xmm7, %%xmm7 \n\t" // 0
118  "pxor %%xmm4, %%xmm4 \n\t" // 0
119  "movdqa (%2), %%xmm5 \n\t" // qmat[0]
120  "pxor %%xmm6, %%xmm6 \n\t"
121  "psubw (%3), %%xmm6 \n\t" // -bias[0]
122  "mov $-128, %%"FF_REG_a" \n\t"
123  ".p2align 4 \n\t"
124  "1: \n\t"
125  "movdqa (%1, %%"FF_REG_a"), %%xmm0 \n\t" // block[i]
126  SAVE_SIGN("%%xmm1", "%%xmm0") // ABS(block[i])
127  "psubusw %%xmm6, %%xmm0 \n\t" // ABS(block[i]) + bias[0]
128  "pmulhw %%xmm5, %%xmm0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
129  "por %%xmm0, %%xmm4 \n\t"
130  RESTORE_SIGN("%%xmm1", "%%xmm0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
131  "movdqa %%xmm0, (%5, %%"FF_REG_a") \n\t"
132  "pcmpeqw %%xmm7, %%xmm0 \n\t" // out==0 ? 0xFF : 0x00
133  "movdqa (%4, %%"FF_REG_a"), %%xmm1 \n\t"
134  "movdqa %%xmm7, (%1, %%"FF_REG_a") \n\t" // 0
135  "pandn %%xmm1, %%xmm0 \n\t"
136  "pmaxsw %%xmm0, %%xmm3 \n\t"
137  "add $16, %%"FF_REG_a" \n\t"
138  " js 1b \n\t"
139  PMAX("%%xmm3", "%%xmm0")
140  "movd %%xmm3, %%"FF_REG_a" \n\t"
141  "movzbl %%al, %%eax \n\t" // last_non_zero_p1
142  : "+a" (last_non_zero_p1)
143  : "r" (block+64), "r" (qmat), "r" (bias),
144  "r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
145  XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
146  "%xmm4", "%xmm5", "%xmm6", "%xmm7")
147  );
148  }else{ // FMT_H263
149  __asm__ volatile(
150  "movd %%"FF_REG_a", %%xmm3 \n\t" // last_non_zero_p1
151  SPREADW("%%xmm3")
152  "pxor %%xmm7, %%xmm7 \n\t" // 0
153  "pxor %%xmm4, %%xmm4 \n\t" // 0
154  "mov $-128, %%"FF_REG_a" \n\t"
155  ".p2align 4 \n\t"
156  "1: \n\t"
157  "movdqa (%1, %%"FF_REG_a"), %%xmm0 \n\t" // block[i]
158  SAVE_SIGN("%%xmm1", "%%xmm0") // ABS(block[i])
159  "movdqa (%3, %%"FF_REG_a"), %%xmm6 \n\t" // bias[0]
160  "paddusw %%xmm6, %%xmm0 \n\t" // ABS(block[i]) + bias[0]
161  "movdqa (%2, %%"FF_REG_a"), %%xmm5 \n\t" // qmat[i]
162  "pmulhw %%xmm5, %%xmm0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
163  "por %%xmm0, %%xmm4 \n\t"
164  RESTORE_SIGN("%%xmm1", "%%xmm0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
165  "movdqa %%xmm0, (%5, %%"FF_REG_a") \n\t"
166  "pcmpeqw %%xmm7, %%xmm0 \n\t" // out==0 ? 0xFF : 0x00
167  "movdqa (%4, %%"FF_REG_a"), %%xmm1 \n\t"
168  "movdqa %%xmm7, (%1, %%"FF_REG_a") \n\t" // 0
169  "pandn %%xmm1, %%xmm0 \n\t"
170  "pmaxsw %%xmm0, %%xmm3 \n\t"
171  "add $16, %%"FF_REG_a" \n\t"
172  " js 1b \n\t"
173  PMAX("%%xmm3", "%%xmm0")
174  "movd %%xmm3, %%"FF_REG_a" \n\t"
175  "movzbl %%al, %%eax \n\t" // last_non_zero_p1
176  : "+a" (last_non_zero_p1)
177  : "r" (block+64), "r" (qmat+64), "r" (bias+64),
178  "r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
179  XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
180  "%xmm4", "%xmm5", "%xmm6", "%xmm7")
181  );
182  }
183  __asm__ volatile(
184  "movd %1, %%xmm1 \n\t" // max_qcoeff
185  SPREADW("%%xmm1")
186  "psubusw %%xmm1, %%xmm4 \n\t"
187  "packuswb %%xmm4, %%xmm4 \n\t"
188  "packsswb %%xmm4, %%xmm4 \n\t"
189  "movd %%xmm4, %0 \n\t" // *overflow
190  : "=g" (*overflow)
191  : "g" (s->max_qcoeff)
192  );
193 
194  block[0] = s->c.mb_intra ? level : temp_block[0];
195 
196  av_assert2(ARCH_X86_32 || s->c.idsp.perm_type != FF_IDCT_PERM_SIMPLE);
197  if (ARCH_X86_32 && s->c.idsp.perm_type == FF_IDCT_PERM_SIMPLE) {
198  if(last_non_zero_p1 <= 1) goto end;
199  block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08];
200  block[0x20] = temp_block[0x10];
201  if(last_non_zero_p1 <= 4) goto end;
202  block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02];
203  block[0x09] = temp_block[0x03];
204  if(last_non_zero_p1 <= 7) goto end;
205  block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11];
206  block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20];
207  if(last_non_zero_p1 <= 11) goto end;
208  block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12];
209  block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04];
210  block[0x0C] = temp_block[0x05];
211  if(last_non_zero_p1 <= 16) goto end;
212  block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13];
213  block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21];
214  block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30];
215  block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22];
216  if(last_non_zero_p1 <= 24) goto end;
217  block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14];
218  block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06];
219  block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E];
220  block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C];
221  if(last_non_zero_p1 <= 32) goto end;
222  block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A];
223  block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38];
224  block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32];
225  block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24];
226  if(last_non_zero_p1 <= 40) goto end;
227  block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16];
228  block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17];
229  block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25];
230  block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33];
231  if(last_non_zero_p1 <= 48) goto end;
232  block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
233  block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D];
234  block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
235  block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
236  if(last_non_zero_p1 <= 56) goto end;
237  block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C];
238  block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36];
239  block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37];
240  block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
241  } else if (s->c.idsp.perm_type == FF_IDCT_PERM_LIBMPEG2) {
242  if(last_non_zero_p1 <= 1) goto end;
243  block[0x04] = temp_block[0x01];
244  block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
245  if(last_non_zero_p1 <= 4) goto end;
246  block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02];
247  block[0x05] = temp_block[0x03];
248  if(last_non_zero_p1 <= 7) goto end;
249  block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11];
250  block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
251  if(last_non_zero_p1 <= 11) goto end;
252  block[0x1C] = temp_block[0x19];
253  block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B];
254  block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05];
255  if(last_non_zero_p1 <= 16) goto end;
256  block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13];
257  block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21];
258  block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
259  block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22];
260  if(last_non_zero_p1 <= 24) goto end;
261  block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14];
262  block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06];
263  block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E];
264  block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C];
265  if(last_non_zero_p1 <= 32) goto end;
266  block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A];
267  block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38];
268  block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32];
269  block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24];
270  if(last_non_zero_p1 <= 40) goto end;
271  block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16];
272  block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
273  block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25];
274  block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33];
275  if(last_non_zero_p1 <= 48) goto end;
276  block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B];
277  block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D];
278  block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
279  block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E];
280  if(last_non_zero_p1 <= 56) goto end;
281  block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C];
282  block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36];
283  block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
284  block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
285  } else if (s->c.idsp.perm_type == FF_IDCT_PERM_NONE) {
286  if(last_non_zero_p1 <= 1) goto end;
287  block[0x01] = temp_block[0x01];
288  block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
289  if(last_non_zero_p1 <= 4) goto end;
290  block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02];
291  block[0x03] = temp_block[0x03];
292  if(last_non_zero_p1 <= 7) goto end;
293  block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11];
294  block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
295  if(last_non_zero_p1 <= 11) goto end;
296  block[0x19] = temp_block[0x19];
297  block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B];
298  block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05];
299  if(last_non_zero_p1 <= 16) goto end;
300  block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13];
301  block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21];
302  block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
303  block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22];
304  if(last_non_zero_p1 <= 24) goto end;
305  block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14];
306  block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06];
307  block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E];
308  block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C];
309  if(last_non_zero_p1 <= 32) goto end;
310  block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A];
311  block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38];
312  block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32];
313  block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
314  if(last_non_zero_p1 <= 40) goto end;
315  block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16];
316  block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
317  block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25];
318  block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33];
319  if(last_non_zero_p1 <= 48) goto end;
320  block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
321  block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
322  block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
323  block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E];
324  if(last_non_zero_p1 <= 56) goto end;
325  block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C];
326  block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
327  block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
328  block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
329  } else if (s->c.idsp.perm_type == FF_IDCT_PERM_TRANSPOSE) {
330  if(last_non_zero_p1 <= 1) goto end;
331  block[0x08] = temp_block[0x01];
332  block[0x01] = temp_block[0x08]; block[0x02] = temp_block[0x10];
333  if(last_non_zero_p1 <= 4) goto end;
334  block[0x09] = temp_block[0x09]; block[0x10] = temp_block[0x02];
335  block[0x18] = temp_block[0x03];
336  if(last_non_zero_p1 <= 7) goto end;
337  block[0x11] = temp_block[0x0A]; block[0x0A] = temp_block[0x11];
338  block[0x03] = temp_block[0x18]; block[0x04] = temp_block[0x20];
339  if(last_non_zero_p1 <= 11) goto end;
340  block[0x0B] = temp_block[0x19];
341  block[0x12] = temp_block[0x12]; block[0x19] = temp_block[0x0B];
342  block[0x20] = temp_block[0x04]; block[0x28] = temp_block[0x05];
343  if(last_non_zero_p1 <= 16) goto end;
344  block[0x21] = temp_block[0x0C]; block[0x1A] = temp_block[0x13];
345  block[0x13] = temp_block[0x1A]; block[0x0C] = temp_block[0x21];
346  block[0x05] = temp_block[0x28]; block[0x06] = temp_block[0x30];
347  block[0x0D] = temp_block[0x29]; block[0x14] = temp_block[0x22];
348  if(last_non_zero_p1 <= 24) goto end;
349  block[0x1B] = temp_block[0x1B]; block[0x22] = temp_block[0x14];
350  block[0x29] = temp_block[0x0D]; block[0x30] = temp_block[0x06];
351  block[0x38] = temp_block[0x07]; block[0x31] = temp_block[0x0E];
352  block[0x2A] = temp_block[0x15]; block[0x23] = temp_block[0x1C];
353  if(last_non_zero_p1 <= 32) goto end;
354  block[0x1C] = temp_block[0x23]; block[0x15] = temp_block[0x2A];
355  block[0x0E] = temp_block[0x31]; block[0x07] = temp_block[0x38];
356  block[0x0F] = temp_block[0x39]; block[0x16] = temp_block[0x32];
357  block[0x1D] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
358  if(last_non_zero_p1 <= 40) goto end;
359  block[0x2B] = temp_block[0x1D]; block[0x32] = temp_block[0x16];
360  block[0x39] = temp_block[0x0F]; block[0x3A] = temp_block[0x17];
361  block[0x33] = temp_block[0x1E]; block[0x2C] = temp_block[0x25];
362  block[0x25] = temp_block[0x2C]; block[0x1E] = temp_block[0x33];
363  if(last_non_zero_p1 <= 48) goto end;
364  block[0x17] = temp_block[0x3A]; block[0x1F] = temp_block[0x3B];
365  block[0x26] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
366  block[0x34] = temp_block[0x26]; block[0x3B] = temp_block[0x1F];
367  block[0x3C] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
368  if(last_non_zero_p1 <= 56) goto end;
369  block[0x2E] = temp_block[0x35]; block[0x27] = temp_block[0x3C];
370  block[0x2F] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
371  block[0x3D] = temp_block[0x2F]; block[0x3E] = temp_block[0x37];
372  block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
373  } else {
374  av_log(s->c.avctx, AV_LOG_DEBUG, "s->c.idsp.perm_type: %d\n",
375  (int)s->c.idsp.perm_type);
376  av_assert0(s->c.idsp.perm_type == FF_IDCT_PERM_NONE ||
377  s->c.idsp.perm_type == FF_IDCT_PERM_LIBMPEG2 ||
378  s->c.idsp.perm_type == FF_IDCT_PERM_SIMPLE ||
379  s->c.idsp.perm_type == FF_IDCT_PERM_TRANSPOSE);
380  }
381  end:
382  return last_non_zero_p1 - 1;
383 }
level
uint8_t level
Definition: svq3.c:208
MPVEncContext
Definition: mpegvideoenc.h:46
mem_internal.h
x86_reg
int x86_reg
Definition: asm.h:72
mpegvideoenc.h
fdct.h
FMT_H261
@ FMT_H261
Definition: mpegvideo.h:54
mpegutils.h
ff_inverse
const uint32_t ff_inverse[257]
Definition: mathtables.c:66
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:41
AV_LOG_DEBUG
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:231
FMT_H263
@ FMT_H263
Definition: mpegvideo.h:55
asm.h
bias
static int bias(int x, int c)
Definition: vqcdec.c:115
mathops.h
SAVE_SIGN
#define SAVE_SIGN(a, b)
Definition: mpegvideoenc_template.c:57
FF_IDCT_PERM_NONE
@ FF_IDCT_PERM_NONE
Definition: idctdsp.h:28
SPREADW
#define SPREADW(a)
Definition: mpegvideoenc_template.c:39
av_assert2
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:68
internal.h
PMAX
#define PMAX(a, b)
Definition: mpegvideoenc_template.c:42
__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:31
RESTORE_SIGN
#define RESTORE_SIGN(a, b)
Definition: mpegvideoenc_template.c:62
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