FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/x86/mpegvideoenc_template.c
Date: 2026-04-24 19:58:39
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Lines: 73 169 43.2%
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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 #include "mpegvideoencdsp.h"
33
34 #undef SPREADW
35 #undef PMAXW
36 #undef PMAX
37 #undef SAVE_SIGN
38 #undef RESTORE_SIGN
39
40 #define SPREADW(a) \
41 "pshuflw $0, "a", "a" \n\t"\
42 "punpcklwd "a", "a" \n\t"
43 #define PMAX(a,b) \
44 "movhlps "a", "b" \n\t"\
45 "pmaxsw "b", "a" \n\t"\
46 "pshuflw $0x0E, "a", "b" \n\t"\
47 "pmaxsw "b", "a" \n\t"\
48 "pshuflw $0x01, "a", "b" \n\t"\
49 "pmaxsw "b", "a" \n\t"
50
51 #if COMPILE_TEMPLATE_SSSE3
52 #define SAVE_SIGN(a,b) \
53 "movdqa "b", "a" \n\t"\
54 "pabsw "b", "b" \n\t"
55 #define RESTORE_SIGN(a,b) \
56 "psignw "a", "b" \n\t"
57 #else
58 #define SAVE_SIGN(a,b) \
59 "pxor "a", "a" \n\t"\
60 "pcmpgtw "b", "a" \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\
61 "pxor "a", "b" \n\t"\
62 "psubw "a", "b" \n\t" /* ABS(block[i]) */
63 #define RESTORE_SIGN(a,b) \
64 "pxor "a", "b" \n\t"\
65 "psubw "a", "b" \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
66 #endif
67
68 7290 static int RENAME(dct_quantize)(MPVEncContext *const s,
69 int16_t *block, int n,
70 int qscale, int *overflow)
71 {
72 x86_reg last_non_zero_p1;
73 7290 int level=0, q; //=0 is because gcc says uninitialized ...
74 const uint16_t *qmat;
75 7290 LOCAL_ALIGNED_16(int16_t, temp_block, [64]);
76
77 //s->fdct (block);
78 7290 ff_fdct_sse2(block); // cannot be anything else ...
79
80 7290 if (s->dct_error_sum) {
81 const int intra = s->c.mb_intra;
82 s->dct_count[intra]++;
83 #if HAVE_SSE2_EXTERNAL
84 ff_mpv_denoise_dct_sse2(block, s->dct_error_sum[intra], s->dct_offset[intra]);
85 #else
86 s->mpvencdsp.denoise_dct(block, s->dct_error_sum[intra], s->dct_offset[intra]);
87 #endif
88 }
89
90 7290 if (s->c.mb_intra) {
91 int dummy;
92 7290 if (n < 4){
93 4860 q = s->c.y_dc_scale;
94 4860 qmat = s->q_intra_matrix16[qscale][0];
95 }else{
96 2430 q = s->c.c_dc_scale;
97 2430 qmat = s->q_chroma_intra_matrix16[qscale][0];
98 }
99 /* note: block[0] is assumed to be positive */
100 7290 if (!s->c.h263_aic) {
101 7290 __asm__ volatile (
102 "mul %%ecx \n\t"
103 : "=d" (level), "=a"(dummy)
104 7290 : "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1])
105 );
106 } else
107 /* For AIC we skip quant/dequant of INTRADC */
108 level = (block[0] + 4)>>3;
109
110 7290 block[0]=0; //avoid fake overflow
111 // temp_block[0] = (block[0] + (q >> 1)) / q;
112 7290 last_non_zero_p1 = 1;
113 } else {
114 last_non_zero_p1 = 0;
115 qmat = s->q_inter_matrix16[qscale][0];
116 }
117
118 7290 if ((s->c.out_format == FMT_H263 || s->c.out_format == FMT_H261) && !s->mpeg_quant) {
119 2970 __asm__ volatile(
120 "movd %%"FF_REG_a", %%xmm3 \n\t" // last_non_zero_p1
121 SPREADW("%%xmm3")
122 "pxor %%xmm2, %%xmm2 \n\t" // 0
123 "pxor %%xmm4, %%xmm4 \n\t" // 0
124 "movdqa (%2), %%xmm5 \n\t" // qmat[0]
125 "pxor %%xmm6, %%xmm6 \n\t"
126 "psubw 128(%2), %%xmm6 \n\t" // -bias[0]
127 "mov $-128, %%"FF_REG_a" \n\t"
128 ".p2align 4 \n\t"
129 "1: \n\t"
130 "movdqa (%1, %%"FF_REG_a"), %%xmm0 \n\t" // block[i]
131 SAVE_SIGN("%%xmm1", "%%xmm0") // ABS(block[i])
132 "psubusw %%xmm6, %%xmm0 \n\t" // ABS(block[i]) + bias[0]
133 "pmulhw %%xmm5, %%xmm0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
134 "por %%xmm0, %%xmm4 \n\t"
135 RESTORE_SIGN("%%xmm1", "%%xmm0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
136 "movdqa %%xmm0, (%4, %0) \n\t"
137 "pcmpeqw %%xmm2, %%xmm0 \n\t" // out==0 ? 0xFF : 0x00
138 "movdqa (%3, %0), %%xmm1 \n\t"
139 "movdqa %%xmm2, (%1, %%"FF_REG_a") \n\t" // 0
140 "pandn %%xmm1, %%xmm0 \n\t"
141 "pmaxsw %%xmm0, %%xmm3 \n\t"
142 "add $16, %%"FF_REG_a" \n\t"
143 " js 1b \n\t"
144 PMAX("%%xmm3", "%%xmm0")
145 "movd %%xmm3, %%"FF_REG_a" \n\t"
146 "movzbl %%al, %%eax \n\t" // last_non_zero_p1
147 : "+a" (last_non_zero_p1)
148 2970 : "r" (block+64), "r" (qmat),
149 2970 "r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
150 XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
151 "%xmm4", "%xmm5", "%xmm6")
152 );
153 }else{ // FMT_H263
154 4320 __asm__ volatile(
155 "movd %%"FF_REG_a", %%xmm3 \n\t" // last_non_zero_p1
156 SPREADW("%%xmm3")
157 "pxor %%xmm2, %%xmm2 \n\t" // 0
158 "pxor %%xmm4, %%xmm4 \n\t" // 0
159 "mov $-128, %%"FF_REG_a" \n\t"
160 ".p2align 4 \n\t"
161 "1: \n\t"
162 "movdqa (%1, %%"FF_REG_a"), %%xmm0 \n\t" // block[i]
163 SAVE_SIGN("%%xmm1", "%%xmm0") // ABS(block[i])
164 "movdqa 128(%2, %0), %%xmm6 \n\t" // bias[i]
165 "paddusw %%xmm6, %%xmm0 \n\t" // ABS(block[i]) + bias[0]
166 "movdqa (%2, %%"FF_REG_a"), %%xmm5 \n\t" // qmat[i]
167 "pmulhw %%xmm5, %%xmm0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
168 "por %%xmm0, %%xmm4 \n\t"
169 RESTORE_SIGN("%%xmm1", "%%xmm0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
170 "movdqa %%xmm0, (%4, %0) \n\t"
171 "pcmpeqw %%xmm2, %%xmm0 \n\t" // out==0 ? 0xFF : 0x00
172 "movdqa (%3, %0), %%xmm1 \n\t"
173 "movdqa %%xmm2, (%1, %%"FF_REG_a") \n\t" // 0
174 "pandn %%xmm1, %%xmm0 \n\t"
175 "pmaxsw %%xmm0, %%xmm3 \n\t"
176 "add $16, %%"FF_REG_a" \n\t"
177 " js 1b \n\t"
178 PMAX("%%xmm3", "%%xmm0")
179 "movd %%xmm3, %%"FF_REG_a" \n\t"
180 "movzbl %%al, %%eax \n\t" // last_non_zero_p1
181 : "+a" (last_non_zero_p1)
182 4320 : "r" (block+64), "r" (qmat+64),
183 4320 "r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64)
184 XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
185 "%xmm4", "%xmm5", "%xmm6")
186 );
187 }
188 7290 __asm__ volatile(
189 "movd %1, %%xmm1 \n\t" // max_qcoeff
190 SPREADW("%%xmm1")
191 "psubusw %%xmm1, %%xmm4 \n\t"
192 "packuswb %%xmm4, %%xmm4 \n\t"
193 "packsswb %%xmm4, %%xmm4 \n\t"
194 "movd %%xmm4, %0 \n\t" // *overflow
195 : "=g" (*overflow)
196 7290 : "g" (s->max_qcoeff)
197 );
198
199 7290 block[0] = s->c.mb_intra ? level : temp_block[0];
200
201 av_assert2(ARCH_X86_32 || s->c.idsp.perm_type != FF_IDCT_PERM_SIMPLE);
202 if (ARCH_X86_32 && s->c.idsp.perm_type == FF_IDCT_PERM_SIMPLE) {
203 if(last_non_zero_p1 <= 1) goto end;
204 block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08];
205 block[0x20] = temp_block[0x10];
206 if(last_non_zero_p1 <= 4) goto end;
207 block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02];
208 block[0x09] = temp_block[0x03];
209 if(last_non_zero_p1 <= 7) goto end;
210 block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11];
211 block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20];
212 if(last_non_zero_p1 <= 11) goto end;
213 block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12];
214 block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04];
215 block[0x0C] = temp_block[0x05];
216 if(last_non_zero_p1 <= 16) goto end;
217 block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13];
218 block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21];
219 block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30];
220 block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22];
221 if(last_non_zero_p1 <= 24) goto end;
222 block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14];
223 block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06];
224 block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E];
225 block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C];
226 if(last_non_zero_p1 <= 32) goto end;
227 block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A];
228 block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38];
229 block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32];
230 block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24];
231 if(last_non_zero_p1 <= 40) goto end;
232 block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16];
233 block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17];
234 block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25];
235 block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33];
236 if(last_non_zero_p1 <= 48) goto end;
237 block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
238 block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D];
239 block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
240 block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
241 if(last_non_zero_p1 <= 56) goto end;
242 block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C];
243 block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36];
244 block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37];
245 block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
246 7290 } else if (s->c.idsp.perm_type == FF_IDCT_PERM_LIBMPEG2) {
247 if(last_non_zero_p1 <= 1) goto end;
248 block[0x04] = temp_block[0x01];
249 block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
250 if(last_non_zero_p1 <= 4) goto end;
251 block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02];
252 block[0x05] = temp_block[0x03];
253 if(last_non_zero_p1 <= 7) goto end;
254 block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11];
255 block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
256 if(last_non_zero_p1 <= 11) goto end;
257 block[0x1C] = temp_block[0x19];
258 block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B];
259 block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05];
260 if(last_non_zero_p1 <= 16) goto end;
261 block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13];
262 block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21];
263 block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
264 block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22];
265 if(last_non_zero_p1 <= 24) goto end;
266 block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14];
267 block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06];
268 block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E];
269 block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C];
270 if(last_non_zero_p1 <= 32) goto end;
271 block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A];
272 block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38];
273 block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32];
274 block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24];
275 if(last_non_zero_p1 <= 40) goto end;
276 block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16];
277 block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
278 block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25];
279 block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33];
280 if(last_non_zero_p1 <= 48) goto end;
281 block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B];
282 block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D];
283 block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
284 block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E];
285 if(last_non_zero_p1 <= 56) goto end;
286 block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C];
287 block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36];
288 block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
289 block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
290 7290 } else if (s->c.idsp.perm_type == FF_IDCT_PERM_NONE) {
291 if(last_non_zero_p1 <= 1) goto end;
292 block[0x01] = temp_block[0x01];
293 block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10];
294 if(last_non_zero_p1 <= 4) goto end;
295 block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02];
296 block[0x03] = temp_block[0x03];
297 if(last_non_zero_p1 <= 7) goto end;
298 block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11];
299 block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20];
300 if(last_non_zero_p1 <= 11) goto end;
301 block[0x19] = temp_block[0x19];
302 block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B];
303 block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05];
304 if(last_non_zero_p1 <= 16) goto end;
305 block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13];
306 block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21];
307 block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30];
308 block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22];
309 if(last_non_zero_p1 <= 24) goto end;
310 block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14];
311 block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06];
312 block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E];
313 block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C];
314 if(last_non_zero_p1 <= 32) goto end;
315 block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A];
316 block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38];
317 block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32];
318 block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
319 if(last_non_zero_p1 <= 40) goto end;
320 block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16];
321 block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17];
322 block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25];
323 block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33];
324 if(last_non_zero_p1 <= 48) goto end;
325 block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B];
326 block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
327 block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F];
328 block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E];
329 if(last_non_zero_p1 <= 56) goto end;
330 block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C];
331 block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
332 block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37];
333 block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
334 7290 } else if (s->c.idsp.perm_type == FF_IDCT_PERM_TRANSPOSE) {
335 7290 if(last_non_zero_p1 <= 1) goto end;
336 3108 block[0x08] = temp_block[0x01];
337 3108 block[0x01] = temp_block[0x08]; block[0x02] = temp_block[0x10];
338 3108 if(last_non_zero_p1 <= 4) goto end;
339 3018 block[0x09] = temp_block[0x09]; block[0x10] = temp_block[0x02];
340 3018 block[0x18] = temp_block[0x03];
341 3018 if(last_non_zero_p1 <= 7) goto end;
342 3012 block[0x11] = temp_block[0x0A]; block[0x0A] = temp_block[0x11];
343 3012 block[0x03] = temp_block[0x18]; block[0x04] = temp_block[0x20];
344 3012 if(last_non_zero_p1 <= 11) goto end;
345 2994 block[0x0B] = temp_block[0x19];
346 2994 block[0x12] = temp_block[0x12]; block[0x19] = temp_block[0x0B];
347 2994 block[0x20] = temp_block[0x04]; block[0x28] = temp_block[0x05];
348 2994 if(last_non_zero_p1 <= 16) goto end;
349 2976 block[0x21] = temp_block[0x0C]; block[0x1A] = temp_block[0x13];
350 2976 block[0x13] = temp_block[0x1A]; block[0x0C] = temp_block[0x21];
351 2976 block[0x05] = temp_block[0x28]; block[0x06] = temp_block[0x30];
352 2976 block[0x0D] = temp_block[0x29]; block[0x14] = temp_block[0x22];
353 2976 if(last_non_zero_p1 <= 24) goto end;
354 2958 block[0x1B] = temp_block[0x1B]; block[0x22] = temp_block[0x14];
355 2958 block[0x29] = temp_block[0x0D]; block[0x30] = temp_block[0x06];
356 2958 block[0x38] = temp_block[0x07]; block[0x31] = temp_block[0x0E];
357 2958 block[0x2A] = temp_block[0x15]; block[0x23] = temp_block[0x1C];
358 2958 if(last_non_zero_p1 <= 32) goto end;
359 2232 block[0x1C] = temp_block[0x23]; block[0x15] = temp_block[0x2A];
360 2232 block[0x0E] = temp_block[0x31]; block[0x07] = temp_block[0x38];
361 2232 block[0x0F] = temp_block[0x39]; block[0x16] = temp_block[0x32];
362 2232 block[0x1D] = temp_block[0x2B]; block[0x24] = temp_block[0x24];
363 2232 if(last_non_zero_p1 <= 40) goto end;
364 1848 block[0x2B] = temp_block[0x1D]; block[0x32] = temp_block[0x16];
365 1848 block[0x39] = temp_block[0x0F]; block[0x3A] = temp_block[0x17];
366 1848 block[0x33] = temp_block[0x1E]; block[0x2C] = temp_block[0x25];
367 1848 block[0x25] = temp_block[0x2C]; block[0x1E] = temp_block[0x33];
368 1848 if(last_non_zero_p1 <= 48) goto end;
369 1584 block[0x17] = temp_block[0x3A]; block[0x1F] = temp_block[0x3B];
370 1584 block[0x26] = temp_block[0x34]; block[0x2D] = temp_block[0x2D];
371 1584 block[0x34] = temp_block[0x26]; block[0x3B] = temp_block[0x1F];
372 1584 block[0x3C] = temp_block[0x27]; block[0x35] = temp_block[0x2E];
373 1584 if(last_non_zero_p1 <= 56) goto end;
374 1242 block[0x2E] = temp_block[0x35]; block[0x27] = temp_block[0x3C];
375 1242 block[0x2F] = temp_block[0x3D]; block[0x36] = temp_block[0x36];
376 1242 block[0x3D] = temp_block[0x2F]; block[0x3E] = temp_block[0x37];
377 1242 block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F];
378 } else {
379 av_log(s->c.avctx, AV_LOG_DEBUG, "s->c.idsp.perm_type: %d\n",
380 (int)s->c.idsp.perm_type);
381 av_assert0(s->c.idsp.perm_type == FF_IDCT_PERM_NONE ||
382 s->c.idsp.perm_type == FF_IDCT_PERM_LIBMPEG2 ||
383 s->c.idsp.perm_type == FF_IDCT_PERM_SIMPLE ||
384 s->c.idsp.perm_type == FF_IDCT_PERM_TRANSPOSE);
385 }
386 end:
387 7290 return last_non_zero_p1 - 1;
388 }
389