1faaaa680265bd22a938ace7261dcf48dfb0ff46
[libav.git] / libavcodec / h264.c
1 /*
2 * H.26L/H.264/AVC/JVT/14496-10/... decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file
24 * H.264 / AVC / MPEG4 part10 codec.
25 * @author Michael Niedermayer <michaelni@gmx.at>
26 */
27
28 #include "libavutil/imgutils.h"
29 #include "internal.h"
30 #include "dsputil.h"
31 #include "avcodec.h"
32 #include "mpegvideo.h"
33 #include "h264.h"
34 #include "h264data.h"
35 #include "h264_mvpred.h"
36 #include "golomb.h"
37 #include "mathops.h"
38 #include "rectangle.h"
39 #include "thread.h"
40 #include "vdpau_internal.h"
41 #include "libavutil/avassert.h"
42
43 #include "cabac.h"
44
45 //#undef NDEBUG
46 #include <assert.h>
47
48 static const uint8_t rem6[QP_MAX_NUM+1]={
49 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
50 };
51
52 static const uint8_t div6[QP_MAX_NUM+1]={
53 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9,10,10,10,10,
54 };
55
56 static const enum PixelFormat hwaccel_pixfmt_list_h264_jpeg_420[] = {
57 PIX_FMT_DXVA2_VLD,
58 PIX_FMT_VAAPI_VLD,
59 PIX_FMT_YUVJ420P,
60 PIX_FMT_NONE
61 };
62
63 /**
64 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
65 */
66 int ff_h264_check_intra4x4_pred_mode(H264Context *h){
67 MpegEncContext * const s = &h->s;
68 static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
69 static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
70 int i;
71
72 if(!(h->top_samples_available&0x8000)){
73 for(i=0; i<4; i++){
74 int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
75 if(status<0){
76 av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
77 return -1;
78 } else if(status){
79 h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
80 }
81 }
82 }
83
84 if((h->left_samples_available&0x8888)!=0x8888){
85 static const int mask[4]={0x8000,0x2000,0x80,0x20};
86 for(i=0; i<4; i++){
87 if(!(h->left_samples_available&mask[i])){
88 int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
89 if(status<0){
90 av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
91 return -1;
92 } else if(status){
93 h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
94 }
95 }
96 }
97 }
98
99 return 0;
100 } //FIXME cleanup like ff_h264_check_intra_pred_mode
101
102 /**
103 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
104 */
105 int ff_h264_check_intra_pred_mode(H264Context *h, int mode){
106 MpegEncContext * const s = &h->s;
107 static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
108 static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
109
110 if(mode > 6U) {
111 av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
112 return -1;
113 }
114
115 if(!(h->top_samples_available&0x8000)){
116 mode= top[ mode ];
117 if(mode<0){
118 av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
119 return -1;
120 }
121 }
122
123 if((h->left_samples_available&0x8080) != 0x8080){
124 mode= left[ mode ];
125 if(h->left_samples_available&0x8080){ //mad cow disease mode, aka MBAFF + constrained_intra_pred
126 mode= ALZHEIMER_DC_L0T_PRED8x8 + (!(h->left_samples_available&0x8000)) + 2*(mode == DC_128_PRED8x8);
127 }
128 if(mode<0){
129 av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
130 return -1;
131 }
132 }
133
134 return mode;
135 }
136
137 const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){
138 int i, si, di;
139 uint8_t *dst;
140 int bufidx;
141
142 // src[0]&0x80; //forbidden bit
143 h->nal_ref_idc= src[0]>>5;
144 h->nal_unit_type= src[0]&0x1F;
145
146 src++; length--;
147
148 #if HAVE_FAST_UNALIGNED
149 # if HAVE_FAST_64BIT
150 # define RS 7
151 for(i=0; i+1<length; i+=9){
152 if(!((~AV_RN64A(src+i) & (AV_RN64A(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL))
153 # else
154 # define RS 3
155 for(i=0; i+1<length; i+=5){
156 if(!((~AV_RN32A(src+i) & (AV_RN32A(src+i) - 0x01000101U)) & 0x80008080U))
157 # endif
158 continue;
159 if(i>0 && !src[i]) i--;
160 while(src[i]) i++;
161 #else
162 # define RS 0
163 for(i=0; i+1<length; i+=2){
164 if(src[i]) continue;
165 if(i>0 && src[i-1]==0) i--;
166 #endif
167 if(i+2<length && src[i+1]==0 && src[i+2]<=3){
168 if(src[i+2]!=3){
169 /* startcode, so we must be past the end */
170 length=i;
171 }
172 break;
173 }
174 i-= RS;
175 }
176
177 if(i>=length-1){ //no escaped 0
178 *dst_length= length;
179 *consumed= length+1; //+1 for the header
180 return src;
181 }
182
183 bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data
184 av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE);
185 dst= h->rbsp_buffer[bufidx];
186
187 if (dst == NULL){
188 return NULL;
189 }
190
191 //printf("decoding esc\n");
192 memcpy(dst, src, i);
193 si=di=i;
194 while(si+2<length){
195 //remove escapes (very rare 1:2^22)
196 if(src[si+2]>3){
197 dst[di++]= src[si++];
198 dst[di++]= src[si++];
199 }else if(src[si]==0 && src[si+1]==0){
200 if(src[si+2]==3){ //escape
201 dst[di++]= 0;
202 dst[di++]= 0;
203 si+=3;
204 continue;
205 }else //next start code
206 goto nsc;
207 }
208
209 dst[di++]= src[si++];
210 }
211 while(si<length)
212 dst[di++]= src[si++];
213 nsc:
214
215 memset(dst+di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
216
217 *dst_length= di;
218 *consumed= si + 1;//+1 for the header
219 //FIXME store exact number of bits in the getbitcontext (it is needed for decoding)
220 return dst;
221 }
222
223 /**
224 * Identify the exact end of the bitstream
225 * @return the length of the trailing, or 0 if damaged
226 */
227 static int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
228 int v= *src;
229 int r;
230
231 tprintf(h->s.avctx, "rbsp trailing %X\n", v);
232
233 for(r=1; r<9; r++){
234 if(v&1) return r;
235 v>>=1;
236 }
237 return 0;
238 }
239
240 static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n, int height,
241 int y_offset, int list){
242 int raw_my= h->mv_cache[list][ scan8[n] ][1];
243 int filter_height= (raw_my&3) ? 2 : 0;
244 int full_my= (raw_my>>2) + y_offset;
245 int top = full_my - filter_height, bottom = full_my + height + filter_height;
246
247 return FFMAX(abs(top), bottom);
248 }
249
250 static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n, int height,
251 int y_offset, int list0, int list1, int *nrefs){
252 MpegEncContext * const s = &h->s;
253 int my;
254
255 y_offset += 16*(s->mb_y >> MB_FIELD);
256
257 if(list0){
258 int ref_n = h->ref_cache[0][ scan8[n] ];
259 Picture *ref= &h->ref_list[0][ref_n];
260
261 // Error resilience puts the current picture in the ref list.
262 // Don't try to wait on these as it will cause a deadlock.
263 // Fields can wait on each other, though.
264 if (ref->f.thread_opaque != s->current_picture.f.thread_opaque ||
265 (ref->f.reference & 3) != s->picture_structure) {
266 my = get_lowest_part_list_y(h, ref, n, height, y_offset, 0);
267 if (refs[0][ref_n] < 0) nrefs[0] += 1;
268 refs[0][ref_n] = FFMAX(refs[0][ref_n], my);
269 }
270 }
271
272 if(list1){
273 int ref_n = h->ref_cache[1][ scan8[n] ];
274 Picture *ref= &h->ref_list[1][ref_n];
275
276 if (ref->f.thread_opaque != s->current_picture.f.thread_opaque ||
277 (ref->f.reference & 3) != s->picture_structure) {
278 my = get_lowest_part_list_y(h, ref, n, height, y_offset, 1);
279 if (refs[1][ref_n] < 0) nrefs[1] += 1;
280 refs[1][ref_n] = FFMAX(refs[1][ref_n], my);
281 }
282 }
283 }
284
285 /**
286 * Wait until all reference frames are available for MC operations.
287 *
288 * @param h the H264 context
289 */
290 static void await_references(H264Context *h){
291 MpegEncContext * const s = &h->s;
292 const int mb_xy= h->mb_xy;
293 const int mb_type = s->current_picture.f.mb_type[mb_xy];
294 int refs[2][48];
295 int nrefs[2] = {0};
296 int ref, list;
297
298 memset(refs, -1, sizeof(refs));
299
300 if(IS_16X16(mb_type)){
301 get_lowest_part_y(h, refs, 0, 16, 0,
302 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
303 }else if(IS_16X8(mb_type)){
304 get_lowest_part_y(h, refs, 0, 8, 0,
305 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
306 get_lowest_part_y(h, refs, 8, 8, 8,
307 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
308 }else if(IS_8X16(mb_type)){
309 get_lowest_part_y(h, refs, 0, 16, 0,
310 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
311 get_lowest_part_y(h, refs, 4, 16, 0,
312 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
313 }else{
314 int i;
315
316 assert(IS_8X8(mb_type));
317
318 for(i=0; i<4; i++){
319 const int sub_mb_type= h->sub_mb_type[i];
320 const int n= 4*i;
321 int y_offset= (i&2)<<2;
322
323 if(IS_SUB_8X8(sub_mb_type)){
324 get_lowest_part_y(h, refs, n , 8, y_offset,
325 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
326 }else if(IS_SUB_8X4(sub_mb_type)){
327 get_lowest_part_y(h, refs, n , 4, y_offset,
328 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
329 get_lowest_part_y(h, refs, n+2, 4, y_offset+4,
330 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
331 }else if(IS_SUB_4X8(sub_mb_type)){
332 get_lowest_part_y(h, refs, n , 8, y_offset,
333 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
334 get_lowest_part_y(h, refs, n+1, 8, y_offset,
335 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
336 }else{
337 int j;
338 assert(IS_SUB_4X4(sub_mb_type));
339 for(j=0; j<4; j++){
340 int sub_y_offset= y_offset + 2*(j&2);
341 get_lowest_part_y(h, refs, n+j, 4, sub_y_offset,
342 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
343 }
344 }
345 }
346 }
347
348 for(list=h->list_count-1; list>=0; list--){
349 for(ref=0; ref<48 && nrefs[list]; ref++){
350 int row = refs[list][ref];
351 if(row >= 0){
352 Picture *ref_pic = &h->ref_list[list][ref];
353 int ref_field = ref_pic->f.reference - 1;
354 int ref_field_picture = ref_pic->field_picture;
355 int pic_height = 16*s->mb_height >> ref_field_picture;
356
357 row <<= MB_MBAFF;
358 nrefs[list]--;
359
360 if(!FIELD_PICTURE && ref_field_picture){ // frame referencing two fields
361 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1);
362 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0);
363 }else if(FIELD_PICTURE && !ref_field_picture){ // field referencing one field of a frame
364 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0);
365 }else if(FIELD_PICTURE){
366 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field);
367 }else{
368 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0);
369 }
370 }
371 }
372 }
373 }
374
375 #if 0
376 /**
377 * DCT transforms the 16 dc values.
378 * @param qp quantization parameter ??? FIXME
379 */
380 static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
381 // const int qmul= dequant_coeff[qp][0];
382 int i;
383 int temp[16]; //FIXME check if this is a good idea
384 static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
385 static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
386
387 for(i=0; i<4; i++){
388 const int offset= y_offset[i];
389 const int z0= block[offset+stride*0] + block[offset+stride*4];
390 const int z1= block[offset+stride*0] - block[offset+stride*4];
391 const int z2= block[offset+stride*1] - block[offset+stride*5];
392 const int z3= block[offset+stride*1] + block[offset+stride*5];
393
394 temp[4*i+0]= z0+z3;
395 temp[4*i+1]= z1+z2;
396 temp[4*i+2]= z1-z2;
397 temp[4*i+3]= z0-z3;
398 }
399
400 for(i=0; i<4; i++){
401 const int offset= x_offset[i];
402 const int z0= temp[4*0+i] + temp[4*2+i];
403 const int z1= temp[4*0+i] - temp[4*2+i];
404 const int z2= temp[4*1+i] - temp[4*3+i];
405 const int z3= temp[4*1+i] + temp[4*3+i];
406
407 block[stride*0 +offset]= (z0 + z3)>>1;
408 block[stride*2 +offset]= (z1 + z2)>>1;
409 block[stride*8 +offset]= (z1 - z2)>>1;
410 block[stride*10+offset]= (z0 - z3)>>1;
411 }
412 }
413 #endif
414
415 #undef xStride
416 #undef stride
417
418 #if 0
419 static void chroma_dc_dct_c(DCTELEM *block){
420 const int stride= 16*2;
421 const int xStride= 16;
422 int a,b,c,d,e;
423
424 a= block[stride*0 + xStride*0];
425 b= block[stride*0 + xStride*1];
426 c= block[stride*1 + xStride*0];
427 d= block[stride*1 + xStride*1];
428
429 e= a-b;
430 a= a+b;
431 b= c-d;
432 c= c+d;
433
434 block[stride*0 + xStride*0]= (a+c);
435 block[stride*0 + xStride*1]= (e+b);
436 block[stride*1 + xStride*0]= (a-c);
437 block[stride*1 + xStride*1]= (e-b);
438 }
439 #endif
440
441 static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
442 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
443 int src_x_offset, int src_y_offset,
444 qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op,
445 int pixel_shift, int chroma444){
446 MpegEncContext * const s = &h->s;
447 const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
448 int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
449 const int luma_xy= (mx&3) + ((my&3)<<2);
450 int offset = ((mx>>2) << pixel_shift) + (my>>2)*h->mb_linesize;
451 uint8_t * src_y = pic->f.data[0] + offset;
452 uint8_t * src_cb, * src_cr;
453 int extra_width= h->emu_edge_width;
454 int extra_height= h->emu_edge_height;
455 int emu=0;
456 const int full_mx= mx>>2;
457 const int full_my= my>>2;
458 const int pic_width = 16*s->mb_width;
459 const int pic_height = 16*s->mb_height >> MB_FIELD;
460
461 if(mx&7) extra_width -= 3;
462 if(my&7) extra_height -= 3;
463
464 if( full_mx < 0-extra_width
465 || full_my < 0-extra_height
466 || full_mx + 16/*FIXME*/ > pic_width + extra_width
467 || full_my + 16/*FIXME*/ > pic_height + extra_height){
468 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_y - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
469 src_y= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
470 emu=1;
471 }
472
473 qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
474 if(!square){
475 qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
476 }
477
478 if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
479
480 if(chroma444){
481 src_cb = pic->f.data[1] + offset;
482 if(emu){
483 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize,
484 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
485 src_cb= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
486 }
487 qpix_op[luma_xy](dest_cb, src_cb, h->mb_linesize); //FIXME try variable height perhaps?
488 if(!square){
489 qpix_op[luma_xy](dest_cb + delta, src_cb + delta, h->mb_linesize);
490 }
491
492 src_cr = pic->f.data[2] + offset;
493 if(emu){
494 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cr - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize,
495 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
496 src_cr= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
497 }
498 qpix_op[luma_xy](dest_cr, src_cr, h->mb_linesize); //FIXME try variable height perhaps?
499 if(!square){
500 qpix_op[luma_xy](dest_cr + delta, src_cr + delta, h->mb_linesize);
501 }
502 return;
503 }
504
505 if(MB_FIELD){
506 // chroma offset when predicting from a field of opposite parity
507 my += 2 * ((s->mb_y & 1) - (pic->f.reference - 1));
508 emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
509 }
510 src_cb = pic->f.data[1] + ((mx >> 3) << pixel_shift) + (my >> 3) * h->mb_uvlinesize;
511 src_cr = pic->f.data[2] + ((mx >> 3) << pixel_shift) + (my >> 3) * h->mb_uvlinesize;
512
513 if(emu){
514 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
515 src_cb= s->edge_emu_buffer;
516 }
517 chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
518
519 if(emu){
520 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
521 src_cr= s->edge_emu_buffer;
522 }
523 chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
524 }
525
526 static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
527 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
528 int x_offset, int y_offset,
529 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
530 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
531 int list0, int list1, int pixel_shift, int chroma444){
532 MpegEncContext * const s = &h->s;
533 qpel_mc_func *qpix_op= qpix_put;
534 h264_chroma_mc_func chroma_op= chroma_put;
535
536 dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
537 if(chroma444){
538 dest_cb += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
539 dest_cr += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
540 }else{
541 dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
542 dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
543 }
544 x_offset += 8*s->mb_x;
545 y_offset += 8*(s->mb_y >> MB_FIELD);
546
547 if(list0){
548 Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
549 mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
550 dest_y, dest_cb, dest_cr, x_offset, y_offset,
551 qpix_op, chroma_op, pixel_shift, chroma444);
552
553 qpix_op= qpix_avg;
554 chroma_op= chroma_avg;
555 }
556
557 if(list1){
558 Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
559 mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
560 dest_y, dest_cb, dest_cr, x_offset, y_offset,
561 qpix_op, chroma_op, pixel_shift, chroma444);
562 }
563 }
564
565 static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
566 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
567 int x_offset, int y_offset,
568 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
569 h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
570 h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
571 int list0, int list1, int pixel_shift, int chroma444){
572 MpegEncContext * const s = &h->s;
573
574 dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
575 if(chroma444){
576 chroma_weight_avg = luma_weight_avg;
577 chroma_weight_op = luma_weight_op;
578 dest_cb += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
579 dest_cr += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
580 }else{
581 dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
582 dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
583 }
584 x_offset += 8*s->mb_x;
585 y_offset += 8*(s->mb_y >> MB_FIELD);
586
587 if(list0 && list1){
588 /* don't optimize for luma-only case, since B-frames usually
589 * use implicit weights => chroma too. */
590 uint8_t *tmp_cb = s->obmc_scratchpad;
591 uint8_t *tmp_cr = s->obmc_scratchpad + (16 << pixel_shift);
592 uint8_t *tmp_y = s->obmc_scratchpad + 16*h->mb_uvlinesize;
593 int refn0 = h->ref_cache[0][ scan8[n] ];
594 int refn1 = h->ref_cache[1][ scan8[n] ];
595
596 mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
597 dest_y, dest_cb, dest_cr,
598 x_offset, y_offset, qpix_put, chroma_put, pixel_shift, chroma444);
599 mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
600 tmp_y, tmp_cb, tmp_cr,
601 x_offset, y_offset, qpix_put, chroma_put, pixel_shift, chroma444);
602
603 if(h->use_weight == 2){
604 int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1];
605 int weight1 = 64 - weight0;
606 luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0);
607 chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
608 chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
609 }else{
610 luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
611 h->luma_weight[refn0][0][0] , h->luma_weight[refn1][1][0],
612 h->luma_weight[refn0][0][1] + h->luma_weight[refn1][1][1]);
613 chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
614 h->chroma_weight[refn0][0][0][0] , h->chroma_weight[refn1][1][0][0],
615 h->chroma_weight[refn0][0][0][1] + h->chroma_weight[refn1][1][0][1]);
616 chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
617 h->chroma_weight[refn0][0][1][0] , h->chroma_weight[refn1][1][1][0],
618 h->chroma_weight[refn0][0][1][1] + h->chroma_weight[refn1][1][1][1]);
619 }
620 }else{
621 int list = list1 ? 1 : 0;
622 int refn = h->ref_cache[list][ scan8[n] ];
623 Picture *ref= &h->ref_list[list][refn];
624 mc_dir_part(h, ref, n, square, chroma_height, delta, list,
625 dest_y, dest_cb, dest_cr, x_offset, y_offset,
626 qpix_put, chroma_put, pixel_shift, chroma444);
627
628 luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
629 h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]);
630 if(h->use_weight_chroma){
631 chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
632 h->chroma_weight[refn][list][0][0], h->chroma_weight[refn][list][0][1]);
633 chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
634 h->chroma_weight[refn][list][1][0], h->chroma_weight[refn][list][1][1]);
635 }
636 }
637 }
638
639 static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
640 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
641 int x_offset, int y_offset,
642 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
643 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
644 h264_weight_func *weight_op, h264_biweight_func *weight_avg,
645 int list0, int list1, int pixel_shift, int chroma444){
646 if((h->use_weight==2 && list0 && list1
647 && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32))
648 || h->use_weight==1)
649 mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
650 x_offset, y_offset, qpix_put, chroma_put,
651 weight_op[0], weight_op[3], weight_avg[0],
652 weight_avg[3], list0, list1, pixel_shift, chroma444);
653 else
654 mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
655 x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
656 chroma_avg, list0, list1, pixel_shift, chroma444);
657 }
658
659 static inline void prefetch_motion(H264Context *h, int list, int pixel_shift, int chroma444){
660 /* fetch pixels for estimated mv 4 macroblocks ahead
661 * optimized for 64byte cache lines */
662 MpegEncContext * const s = &h->s;
663 const int refn = h->ref_cache[list][scan8[0]];
664 if(refn >= 0){
665 const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
666 const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
667 uint8_t **src = h->ref_list[list][refn].f.data;
668 int off= (mx << pixel_shift) + (my + (s->mb_x&3)*4)*h->mb_linesize + (64 << pixel_shift);
669 s->dsp.prefetch(src[0]+off, s->linesize, 4);
670 if(chroma444){
671 s->dsp.prefetch(src[1]+off, s->linesize, 4);
672 s->dsp.prefetch(src[2]+off, s->linesize, 4);
673 }else{
674 off= ((mx>>1) << pixel_shift) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + (64 << pixel_shift);
675 s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
676 }
677 }
678 }
679
680 static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
681 qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
682 qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
683 h264_weight_func *weight_op, h264_biweight_func *weight_avg,
684 int pixel_shift, int chroma444){
685 MpegEncContext * const s = &h->s;
686 const int mb_xy= h->mb_xy;
687 const int mb_type = s->current_picture.f.mb_type[mb_xy];
688
689 assert(IS_INTER(mb_type));
690
691 if(HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
692 await_references(h);
693 prefetch_motion(h, 0, pixel_shift, chroma444);
694
695 if(IS_16X16(mb_type)){
696 mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
697 qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
698 weight_op, weight_avg,
699 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
700 pixel_shift, chroma444);
701 }else if(IS_16X8(mb_type)){
702 mc_part(h, 0, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,
703 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
704 &weight_op[1], &weight_avg[1],
705 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
706 pixel_shift, chroma444);
707 mc_part(h, 8, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,
708 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
709 &weight_op[1], &weight_avg[1],
710 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
711 pixel_shift, chroma444);
712 }else if(IS_8X16(mb_type)){
713 mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
714 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
715 &weight_op[2], &weight_avg[2],
716 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
717 pixel_shift, chroma444);
718 mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
719 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
720 &weight_op[2], &weight_avg[2],
721 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
722 pixel_shift, chroma444);
723 }else{
724 int i;
725
726 assert(IS_8X8(mb_type));
727
728 for(i=0; i<4; i++){
729 const int sub_mb_type= h->sub_mb_type[i];
730 const int n= 4*i;
731 int x_offset= (i&1)<<2;
732 int y_offset= (i&2)<<1;
733
734 if(IS_SUB_8X8(sub_mb_type)){
735 mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
736 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
737 &weight_op[3], &weight_avg[3],
738 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
739 pixel_shift, chroma444);
740 }else if(IS_SUB_8X4(sub_mb_type)){
741 mc_part(h, n , 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset,
742 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
743 &weight_op[4], &weight_avg[4],
744 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
745 pixel_shift, chroma444);
746 mc_part(h, n+2, 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
747 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
748 &weight_op[4], &weight_avg[4],
749 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
750 pixel_shift, chroma444);
751 }else if(IS_SUB_4X8(sub_mb_type)){
752 mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
753 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
754 &weight_op[5], &weight_avg[5],
755 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
756 pixel_shift, chroma444);
757 mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
758 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
759 &weight_op[5], &weight_avg[5],
760 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
761 pixel_shift, chroma444);
762 }else{
763 int j;
764 assert(IS_SUB_4X4(sub_mb_type));
765 for(j=0; j<4; j++){
766 int sub_x_offset= x_offset + 2*(j&1);
767 int sub_y_offset= y_offset + (j&2);
768 mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
769 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
770 &weight_op[6], &weight_avg[6],
771 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
772 pixel_shift, chroma444);
773 }
774 }
775 }
776 }
777
778 prefetch_motion(h, 1, pixel_shift, chroma444);
779 }
780
781 static void free_tables(H264Context *h, int free_rbsp){
782 int i;
783 H264Context *hx;
784
785 av_freep(&h->intra4x4_pred_mode);
786 av_freep(&h->chroma_pred_mode_table);
787 av_freep(&h->cbp_table);
788 av_freep(&h->mvd_table[0]);
789 av_freep(&h->mvd_table[1]);
790 av_freep(&h->direct_table);
791 av_freep(&h->non_zero_count);
792 av_freep(&h->slice_table_base);
793 h->slice_table= NULL;
794 av_freep(&h->list_counts);
795
796 av_freep(&h->mb2b_xy);
797 av_freep(&h->mb2br_xy);
798
799 for(i = 0; i < MAX_THREADS; i++) {
800 hx = h->thread_context[i];
801 if(!hx) continue;
802 av_freep(&hx->top_borders[1]);
803 av_freep(&hx->top_borders[0]);
804 av_freep(&hx->s.obmc_scratchpad);
805 if (free_rbsp){
806 av_freep(&hx->rbsp_buffer[1]);
807 av_freep(&hx->rbsp_buffer[0]);
808 hx->rbsp_buffer_size[0] = 0;
809 hx->rbsp_buffer_size[1] = 0;
810 }
811 if (i) av_freep(&h->thread_context[i]);
812 }
813 }
814
815 static void init_dequant8_coeff_table(H264Context *h){
816 int i,j,q,x;
817 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
818
819 for(i=0; i<6; i++ ){
820 h->dequant8_coeff[i] = h->dequant8_buffer[i];
821 for(j=0; j<i; j++){
822 if(!memcmp(h->pps.scaling_matrix8[j], h->pps.scaling_matrix8[i], 64*sizeof(uint8_t))){
823 h->dequant8_coeff[i] = h->dequant8_buffer[j];
824 break;
825 }
826 }
827 if(j<i)
828 continue;
829
830 for(q=0; q<max_qp+1; q++){
831 int shift = div6[q];
832 int idx = rem6[q];
833 for(x=0; x<64; x++)
834 h->dequant8_coeff[i][q][(x>>3)|((x&7)<<3)] =
835 ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
836 h->pps.scaling_matrix8[i][x]) << shift;
837 }
838 }
839 }
840
841 static void init_dequant4_coeff_table(H264Context *h){
842 int i,j,q,x;
843 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
844 for(i=0; i<6; i++ ){
845 h->dequant4_coeff[i] = h->dequant4_buffer[i];
846 for(j=0; j<i; j++){
847 if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
848 h->dequant4_coeff[i] = h->dequant4_buffer[j];
849 break;
850 }
851 }
852 if(j<i)
853 continue;
854
855 for(q=0; q<max_qp+1; q++){
856 int shift = div6[q] + 2;
857 int idx = rem6[q];
858 for(x=0; x<16; x++)
859 h->dequant4_coeff[i][q][(x>>2)|((x<<2)&0xF)] =
860 ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
861 h->pps.scaling_matrix4[i][x]) << shift;
862 }
863 }
864 }
865
866 static void init_dequant_tables(H264Context *h){
867 int i,x;
868 init_dequant4_coeff_table(h);
869 if(h->pps.transform_8x8_mode)
870 init_dequant8_coeff_table(h);
871 if(h->sps.transform_bypass){
872 for(i=0; i<6; i++)
873 for(x=0; x<16; x++)
874 h->dequant4_coeff[i][0][x] = 1<<6;
875 if(h->pps.transform_8x8_mode)
876 for(i=0; i<6; i++)
877 for(x=0; x<64; x++)
878 h->dequant8_coeff[i][0][x] = 1<<6;
879 }
880 }
881
882
883 int ff_h264_alloc_tables(H264Context *h){
884 MpegEncContext * const s = &h->s;
885 const int big_mb_num= s->mb_stride * (s->mb_height+1);
886 const int row_mb_num= 2*s->mb_stride*s->avctx->thread_count;
887 int x,y;
888
889 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->intra4x4_pred_mode, row_mb_num * 8 * sizeof(uint8_t), fail)
890
891 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->non_zero_count , big_mb_num * 48 * sizeof(uint8_t), fail)
892 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base), fail)
893 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->cbp_table, big_mb_num * sizeof(uint16_t), fail)
894
895 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t), fail)
896 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[0], 16*row_mb_num * sizeof(uint8_t), fail);
897 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[1], 16*row_mb_num * sizeof(uint8_t), fail);
898 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->direct_table, 4*big_mb_num * sizeof(uint8_t) , fail);
899 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->list_counts, big_mb_num * sizeof(uint8_t), fail)
900
901 memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base));
902 h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
903
904 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b_xy , big_mb_num * sizeof(uint32_t), fail);
905 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2br_xy , big_mb_num * sizeof(uint32_t), fail);
906 for(y=0; y<s->mb_height; y++){
907 for(x=0; x<s->mb_width; x++){
908 const int mb_xy= x + y*s->mb_stride;
909 const int b_xy = 4*x + 4*y*h->b_stride;
910
911 h->mb2b_xy [mb_xy]= b_xy;
912 h->mb2br_xy[mb_xy]= 8*(FMO ? mb_xy : (mb_xy % (2*s->mb_stride)));
913 }
914 }
915
916 s->obmc_scratchpad = NULL;
917
918 if(!h->dequant4_coeff[0])
919 init_dequant_tables(h);
920
921 return 0;
922 fail:
923 free_tables(h, 1);
924 return -1;
925 }
926
927 /**
928 * Mimic alloc_tables(), but for every context thread.
929 */
930 static void clone_tables(H264Context *dst, H264Context *src, int i){
931 MpegEncContext * const s = &src->s;
932 dst->intra4x4_pred_mode = src->intra4x4_pred_mode + i*8*2*s->mb_stride;
933 dst->non_zero_count = src->non_zero_count;
934 dst->slice_table = src->slice_table;
935 dst->cbp_table = src->cbp_table;
936 dst->mb2b_xy = src->mb2b_xy;
937 dst->mb2br_xy = src->mb2br_xy;
938 dst->chroma_pred_mode_table = src->chroma_pred_mode_table;
939 dst->mvd_table[0] = src->mvd_table[0] + i*8*2*s->mb_stride;
940 dst->mvd_table[1] = src->mvd_table[1] + i*8*2*s->mb_stride;
941 dst->direct_table = src->direct_table;
942 dst->list_counts = src->list_counts;
943
944 dst->s.obmc_scratchpad = NULL;
945 ff_h264_pred_init(&dst->hpc, src->s.codec_id, src->sps.bit_depth_luma);
946 }
947
948 /**
949 * Init context
950 * Allocate buffers which are not shared amongst multiple threads.
951 */
952 static int context_init(H264Context *h){
953 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[0], h->s.mb_width * 16*3 * sizeof(uint8_t)*2, fail)
954 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[1], h->s.mb_width * 16*3 * sizeof(uint8_t)*2, fail)
955
956 h->ref_cache[0][scan8[5 ]+1] = h->ref_cache[0][scan8[7 ]+1] = h->ref_cache[0][scan8[13]+1] =
957 h->ref_cache[1][scan8[5 ]+1] = h->ref_cache[1][scan8[7 ]+1] = h->ref_cache[1][scan8[13]+1] = PART_NOT_AVAILABLE;
958
959 return 0;
960 fail:
961 return -1; // free_tables will clean up for us
962 }
963
964 static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size);
965
966 static av_cold void common_init(H264Context *h){
967 MpegEncContext * const s = &h->s;
968
969 s->width = s->avctx->width;
970 s->height = s->avctx->height;
971 s->codec_id= s->avctx->codec->id;
972
973 ff_h264dsp_init(&h->h264dsp, 8);
974 ff_h264_pred_init(&h->hpc, s->codec_id, 8);
975
976 h->dequant_coeff_pps= -1;
977 s->unrestricted_mv=1;
978 s->decode=1; //FIXME
979
980 dsputil_init(&s->dsp, s->avctx); // needed so that idct permutation is known early
981
982 memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
983 memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
984 }
985
986 int ff_h264_decode_extradata(H264Context *h)
987 {
988 AVCodecContext *avctx = h->s.avctx;
989
990 if(avctx->extradata[0] == 1){
991 int i, cnt, nalsize;
992 unsigned char *p = avctx->extradata;
993
994 h->is_avc = 1;
995
996 if(avctx->extradata_size < 7) {
997 av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
998 return -1;
999 }
1000 /* sps and pps in the avcC always have length coded with 2 bytes,
1001 so put a fake nal_length_size = 2 while parsing them */
1002 h->nal_length_size = 2;
1003 // Decode sps from avcC
1004 cnt = *(p+5) & 0x1f; // Number of sps
1005 p += 6;
1006 for (i = 0; i < cnt; i++) {
1007 nalsize = AV_RB16(p) + 2;
1008 if (p - avctx->extradata + nalsize > avctx->extradata_size)
1009 return -1;
1010 if(decode_nal_units(h, p, nalsize) < 0) {
1011 av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
1012 return -1;
1013 }
1014 p += nalsize;
1015 }
1016 // Decode pps from avcC
1017 cnt = *(p++); // Number of pps
1018 for (i = 0; i < cnt; i++) {
1019 nalsize = AV_RB16(p) + 2;
1020 if (p - avctx->extradata + nalsize > avctx->extradata_size)
1021 return -1;
1022 if (decode_nal_units(h, p, nalsize) < 0) {
1023 av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
1024 return -1;
1025 }
1026 p += nalsize;
1027 }
1028 // Now store right nal length size, that will be use to parse all other nals
1029 h->nal_length_size = (avctx->extradata[4] & 0x03) + 1;
1030 } else {
1031 h->is_avc = 0;
1032 if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0)
1033 return -1;
1034 }
1035 return 0;
1036 }
1037
1038 av_cold int ff_h264_decode_init(AVCodecContext *avctx){
1039 H264Context *h= avctx->priv_data;
1040 MpegEncContext * const s = &h->s;
1041
1042 MPV_decode_defaults(s);
1043
1044 s->avctx = avctx;
1045 common_init(h);
1046
1047 s->out_format = FMT_H264;
1048 s->workaround_bugs= avctx->workaround_bugs;
1049
1050 // set defaults
1051 // s->decode_mb= ff_h263_decode_mb;
1052 s->quarter_sample = 1;
1053 if(!avctx->has_b_frames)
1054 s->low_delay= 1;
1055
1056 avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
1057
1058 ff_h264_decode_init_vlc();
1059
1060 h->pixel_shift = 0;
1061 h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8;
1062
1063 h->thread_context[0] = h;
1064 h->outputed_poc = h->next_outputed_poc = INT_MIN;
1065 h->prev_poc_msb= 1<<16;
1066 h->x264_build = -1;
1067 ff_h264_reset_sei(h);
1068 if(avctx->codec_id == CODEC_ID_H264){
1069 if(avctx->ticks_per_frame == 1){
1070 s->avctx->time_base.den *=2;
1071 }
1072 avctx->ticks_per_frame = 2;
1073 }
1074
1075 if(avctx->extradata_size > 0 && avctx->extradata &&
1076 ff_h264_decode_extradata(h))
1077 return -1;
1078
1079 if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){
1080 s->avctx->has_b_frames = h->sps.num_reorder_frames;
1081 s->low_delay = 0;
1082 }
1083
1084 return 0;
1085 }
1086
1087 #define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b)+(size))))
1088 static void copy_picture_range(Picture **to, Picture **from, int count, MpegEncContext *new_base, MpegEncContext *old_base)
1089 {
1090 int i;
1091
1092 for (i=0; i<count; i++){
1093 assert((IN_RANGE(from[i], old_base, sizeof(*old_base)) ||
1094 IN_RANGE(from[i], old_base->picture, sizeof(Picture) * old_base->picture_count) ||
1095 !from[i]));
1096 to[i] = REBASE_PICTURE(from[i], new_base, old_base);
1097 }
1098 }
1099
1100 static void copy_parameter_set(void **to, void **from, int count, int size)
1101 {
1102 int i;
1103
1104 for (i=0; i<count; i++){
1105 if (to[i] && !from[i]) av_freep(&to[i]);
1106 else if (from[i] && !to[i]) to[i] = av_malloc(size);
1107
1108 if (from[i]) memcpy(to[i], from[i], size);
1109 }
1110 }
1111
1112 static int decode_init_thread_copy(AVCodecContext *avctx){
1113 H264Context *h= avctx->priv_data;
1114
1115 if (!avctx->is_copy) return 0;
1116 memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
1117 memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
1118
1119 return 0;
1120 }
1121
1122 #define copy_fields(to, from, start_field, end_field) memcpy(&to->start_field, &from->start_field, (char*)&to->end_field - (char*)&to->start_field)
1123 static int decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src){
1124 H264Context *h= dst->priv_data, *h1= src->priv_data;
1125 MpegEncContext * const s = &h->s, * const s1 = &h1->s;
1126 int inited = s->context_initialized, err;
1127 int i;
1128
1129 if(dst == src || !s1->context_initialized) return 0;
1130
1131 err = ff_mpeg_update_thread_context(dst, src);
1132 if(err) return err;
1133
1134 //FIXME handle width/height changing
1135 if(!inited){
1136 for(i = 0; i < MAX_SPS_COUNT; i++)
1137 av_freep(h->sps_buffers + i);
1138
1139 for(i = 0; i < MAX_PPS_COUNT; i++)
1140 av_freep(h->pps_buffers + i);
1141
1142 memcpy(&h->s + 1, &h1->s + 1, sizeof(H264Context) - sizeof(MpegEncContext)); //copy all fields after MpegEnc
1143 memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
1144 memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
1145 if (ff_h264_alloc_tables(h) < 0) {
1146 av_log(dst, AV_LOG_ERROR, "Could not allocate memory for h264\n");
1147 return AVERROR(ENOMEM);
1148 }
1149 context_init(h);
1150
1151 for(i=0; i<2; i++){
1152 h->rbsp_buffer[i] = NULL;
1153 h->rbsp_buffer_size[i] = 0;
1154 }
1155
1156 h->thread_context[0] = h;
1157
1158 // frame_start may not be called for the next thread (if it's decoding a bottom field)
1159 // so this has to be allocated here
1160 h->s.obmc_scratchpad = av_malloc(16*6*s->linesize);
1161
1162 s->dsp.clear_blocks(h->mb);
1163 s->dsp.clear_blocks(h->mb+(24*16<<h->pixel_shift));
1164 }
1165
1166 //extradata/NAL handling
1167 h->is_avc = h1->is_avc;
1168
1169 //SPS/PPS
1170 copy_parameter_set((void**)h->sps_buffers, (void**)h1->sps_buffers, MAX_SPS_COUNT, sizeof(SPS));
1171 h->sps = h1->sps;
1172 copy_parameter_set((void**)h->pps_buffers, (void**)h1->pps_buffers, MAX_PPS_COUNT, sizeof(PPS));
1173 h->pps = h1->pps;
1174
1175 //Dequantization matrices
1176 //FIXME these are big - can they be only copied when PPS changes?
1177 copy_fields(h, h1, dequant4_buffer, dequant4_coeff);
1178
1179 for(i=0; i<6; i++)
1180 h->dequant4_coeff[i] = h->dequant4_buffer[0] + (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]);
1181
1182 for(i=0; i<6; i++)
1183 h->dequant8_coeff[i] = h->dequant8_buffer[0] + (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]);
1184
1185 h->dequant_coeff_pps = h1->dequant_coeff_pps;
1186
1187 //POC timing
1188 copy_fields(h, h1, poc_lsb, redundant_pic_count);
1189
1190 //reference lists
1191 copy_fields(h, h1, ref_count, list_count);
1192 copy_fields(h, h1, ref_list, intra_gb);
1193 copy_fields(h, h1, short_ref, cabac_init_idc);
1194
1195 copy_picture_range(h->short_ref, h1->short_ref, 32, s, s1);
1196 copy_picture_range(h->long_ref, h1->long_ref, 32, s, s1);
1197 copy_picture_range(h->delayed_pic, h1->delayed_pic, MAX_DELAYED_PIC_COUNT+2, s, s1);
1198
1199 h->last_slice_type = h1->last_slice_type;
1200
1201 if(!s->current_picture_ptr) return 0;
1202
1203 if(!s->dropable) {
1204 err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
1205 h->prev_poc_msb = h->poc_msb;
1206 h->prev_poc_lsb = h->poc_lsb;
1207 }
1208 h->prev_frame_num_offset= h->frame_num_offset;
1209 h->prev_frame_num = h->frame_num;
1210 h->outputed_poc = h->next_outputed_poc;
1211
1212 return err;
1213 }
1214
1215 int ff_h264_frame_start(H264Context *h){
1216 MpegEncContext * const s = &h->s;
1217 int i;
1218 const int pixel_shift = h->pixel_shift;
1219 int thread_count = (s->avctx->active_thread_type & FF_THREAD_SLICE) ? s->avctx->thread_count : 1;
1220
1221 if(MPV_frame_start(s, s->avctx) < 0)
1222 return -1;
1223 ff_er_frame_start(s);
1224 /*
1225 * MPV_frame_start uses pict_type to derive key_frame.
1226 * This is incorrect for H.264; IDR markings must be used.
1227 * Zero here; IDR markings per slice in frame or fields are ORed in later.
1228 * See decode_nal_units().
1229 */
1230 s->current_picture_ptr->f.key_frame = 0;
1231 s->current_picture_ptr->mmco_reset= 0;
1232
1233 assert(s->linesize && s->uvlinesize);
1234
1235 for(i=0; i<16; i++){
1236 h->block_offset[i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
1237 h->block_offset[48+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
1238 }
1239 for(i=0; i<16; i++){
1240 h->block_offset[16+i]=
1241 h->block_offset[32+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
1242 h->block_offset[48+16+i]=
1243 h->block_offset[48+32+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
1244 }
1245
1246 /* can't be in alloc_tables because linesize isn't known there.
1247 * FIXME: redo bipred weight to not require extra buffer? */
1248 for(i = 0; i < thread_count; i++)
1249 if(h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
1250 h->thread_context[i]->s.obmc_scratchpad = av_malloc(16*6*s->linesize);
1251
1252 /* some macroblocks can be accessed before they're available in case of lost slices, mbaff or threading*/
1253 memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table));
1254
1255 // s->decode = (s->flags & CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.f.reference /*|| h->contains_intra*/ || 1;
1256
1257 // We mark the current picture as non-reference after allocating it, so
1258 // that if we break out due to an error it can be released automatically
1259 // in the next MPV_frame_start().
1260 // SVQ3 as well as most other codecs have only last/next/current and thus
1261 // get released even with set reference, besides SVQ3 and others do not
1262 // mark frames as reference later "naturally".
1263 if(s->codec_id != CODEC_ID_SVQ3)
1264 s->current_picture_ptr->f.reference = 0;
1265
1266 s->current_picture_ptr->field_poc[0]=
1267 s->current_picture_ptr->field_poc[1]= INT_MAX;
1268
1269 h->next_output_pic = NULL;
1270
1271 assert(s->current_picture_ptr->long_ref==0);
1272
1273 return 0;
1274 }
1275
1276 /**
1277 * Run setup operations that must be run after slice header decoding.
1278 * This includes finding the next displayed frame.
1279 *
1280 * @param h h264 master context
1281 * @param setup_finished enough NALs have been read that we can call
1282 * ff_thread_finish_setup()
1283 */
1284 static void decode_postinit(H264Context *h, int setup_finished){
1285 MpegEncContext * const s = &h->s;
1286 Picture *out = s->current_picture_ptr;
1287 Picture *cur = s->current_picture_ptr;
1288 int i, pics, out_of_order, out_idx;
1289
1290 s->current_picture_ptr->f.qscale_type = FF_QSCALE_TYPE_H264;
1291 s->current_picture_ptr->f.pict_type = s->pict_type;
1292
1293 if (h->next_output_pic) return;
1294
1295 if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) {
1296 //FIXME: if we have two PAFF fields in one packet, we can't start the next thread here.
1297 //If we have one field per packet, we can. The check in decode_nal_units() is not good enough
1298 //to find this yet, so we assume the worst for now.
1299 //if (setup_finished)
1300 // ff_thread_finish_setup(s->avctx);
1301 return;
1302 }
1303
1304 cur->f.interlaced_frame = 0;
1305 cur->f.repeat_pict = 0;
1306
1307 /* Signal interlacing information externally. */
1308 /* Prioritize picture timing SEI information over used decoding process if it exists. */
1309
1310 if(h->sps.pic_struct_present_flag){
1311 switch (h->sei_pic_struct)
1312 {
1313 case SEI_PIC_STRUCT_FRAME:
1314 break;
1315 case SEI_PIC_STRUCT_TOP_FIELD:
1316 case SEI_PIC_STRUCT_BOTTOM_FIELD:
1317 cur->f.interlaced_frame = 1;
1318 break;
1319 case SEI_PIC_STRUCT_TOP_BOTTOM:
1320 case SEI_PIC_STRUCT_BOTTOM_TOP:
1321 if (FIELD_OR_MBAFF_PICTURE)
1322 cur->f.interlaced_frame = 1;
1323 else
1324 // try to flag soft telecine progressive
1325 cur->f.interlaced_frame = h->prev_interlaced_frame;
1326 break;
1327 case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
1328 case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
1329 // Signal the possibility of telecined film externally (pic_struct 5,6)
1330 // From these hints, let the applications decide if they apply deinterlacing.
1331 cur->f.repeat_pict = 1;
1332 break;
1333 case SEI_PIC_STRUCT_FRAME_DOUBLING:
1334 // Force progressive here, as doubling interlaced frame is a bad idea.
1335 cur->f.repeat_pict = 2;
1336 break;
1337 case SEI_PIC_STRUCT_FRAME_TRIPLING:
1338 cur->f.repeat_pict = 4;
1339 break;
1340 }
1341
1342 if ((h->sei_ct_type & 3) && h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
1343 cur->f.interlaced_frame = (h->sei_ct_type & (1 << 1)) != 0;
1344 }else{
1345 /* Derive interlacing flag from used decoding process. */
1346 cur->f.interlaced_frame = FIELD_OR_MBAFF_PICTURE;
1347 }
1348 h->prev_interlaced_frame = cur->f.interlaced_frame;
1349
1350 if (cur->field_poc[0] != cur->field_poc[1]){
1351 /* Derive top_field_first from field pocs. */
1352 cur->f.top_field_first = cur->field_poc[0] < cur->field_poc[1];
1353 }else{
1354 if (cur->f.interlaced_frame || h->sps.pic_struct_present_flag) {
1355 /* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
1356 if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
1357 || h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
1358 cur->f.top_field_first = 1;
1359 else
1360 cur->f.top_field_first = 0;
1361 }else{
1362 /* Most likely progressive */
1363 cur->f.top_field_first = 0;
1364 }
1365 }
1366
1367 //FIXME do something with unavailable reference frames
1368
1369 /* Sort B-frames into display order */
1370
1371 if(h->sps.bitstream_restriction_flag
1372 && s->avctx->has_b_frames < h->sps.num_reorder_frames){
1373 s->avctx->has_b_frames = h->sps.num_reorder_frames;
1374 s->low_delay = 0;
1375 }
1376
1377 if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
1378 && !h->sps.bitstream_restriction_flag){
1379 s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT;
1380 s->low_delay= 0;
1381 }
1382
1383 pics = 0;
1384 while(h->delayed_pic[pics]) pics++;
1385
1386 assert(pics <= MAX_DELAYED_PIC_COUNT);
1387
1388 h->delayed_pic[pics++] = cur;
1389 if (cur->f.reference == 0)
1390 cur->f.reference = DELAYED_PIC_REF;
1391
1392 out = h->delayed_pic[0];
1393 out_idx = 0;
1394 for (i = 1; h->delayed_pic[i] && !h->delayed_pic[i]->f.key_frame && !h->delayed_pic[i]->mmco_reset; i++)
1395 if(h->delayed_pic[i]->poc < out->poc){
1396 out = h->delayed_pic[i];
1397 out_idx = i;
1398 }
1399 if (s->avctx->has_b_frames == 0 && (h->delayed_pic[0]->f.key_frame || h->delayed_pic[0]->mmco_reset))
1400 h->next_outputed_poc= INT_MIN;
1401 out_of_order = out->poc < h->next_outputed_poc;
1402
1403 if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
1404 { }
1405 else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT)
1406 || (s->low_delay &&
1407 ((h->next_outputed_poc != INT_MIN && out->poc > h->next_outputed_poc + 2)
1408 || cur->f.pict_type == AV_PICTURE_TYPE_B)))
1409 {
1410 s->low_delay = 0;
1411 s->avctx->has_b_frames++;
1412 }
1413
1414 if(out_of_order || pics > s->avctx->has_b_frames){
1415 out->f.reference &= ~DELAYED_PIC_REF;
1416 out->owner2 = s; // for frame threading, the owner must be the second field's thread
1417 // or else the first thread can release the picture and reuse it unsafely
1418 for(i=out_idx; h->delayed_pic[i]; i++)
1419 h->delayed_pic[i] = h->delayed_pic[i+1];
1420 }
1421 if(!out_of_order && pics > s->avctx->has_b_frames){
1422 h->next_output_pic = out;
1423 if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f.key_frame || h->delayed_pic[0]->mmco_reset)) {
1424 h->next_outputed_poc = INT_MIN;
1425 } else
1426 h->next_outputed_poc = out->poc;
1427 }else{
1428 av_log(s->avctx, AV_LOG_DEBUG, "no picture\n");
1429 }
1430
1431 if (setup_finished)
1432 ff_thread_finish_setup(s->avctx);
1433 }
1434
1435 static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int chroma444, int simple){
1436 MpegEncContext * const s = &h->s;
1437 uint8_t *top_border;
1438 int top_idx = 1;
1439 const int pixel_shift = h->pixel_shift;
1440
1441 src_y -= linesize;
1442 src_cb -= uvlinesize;
1443 src_cr -= uvlinesize;
1444
1445 if(!simple && FRAME_MBAFF){
1446 if(s->mb_y&1){
1447 if(!MB_MBAFF){
1448 top_border = h->top_borders[0][s->mb_x];
1449 AV_COPY128(top_border, src_y + 15*linesize);
1450 if (pixel_shift)
1451 AV_COPY128(top_border+16, src_y+15*linesize+16);
1452 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
1453 if(chroma444){
1454 if (pixel_shift){
1455 AV_COPY128(top_border+32, src_cb + 15*uvlinesize);
1456 AV_COPY128(top_border+48, src_cb + 15*uvlinesize+16);
1457 AV_COPY128(top_border+64, src_cr + 15*uvlinesize);
1458 AV_COPY128(top_border+80, src_cr + 15*uvlinesize+16);
1459 } else {
1460 AV_COPY128(top_border+16, src_cb + 15*uvlinesize);
1461 AV_COPY128(top_border+32, src_cr + 15*uvlinesize);
1462 }
1463 } else {
1464 if (pixel_shift) {
1465 AV_COPY128(top_border+32, src_cb+7*uvlinesize);
1466 AV_COPY128(top_border+48, src_cr+7*uvlinesize);
1467 } else {
1468 AV_COPY64(top_border+16, src_cb+7*uvlinesize);
1469 AV_COPY64(top_border+24, src_cr+7*uvlinesize);
1470 }
1471 }
1472 }
1473 }
1474 }else if(MB_MBAFF){
1475 top_idx = 0;
1476 }else
1477 return;
1478 }
1479
1480 top_border = h->top_borders[top_idx][s->mb_x];
1481 // There are two lines saved, the line above the the top macroblock of a pair,
1482 // and the line above the bottom macroblock
1483 AV_COPY128(top_border, src_y + 16*linesize);
1484 if (pixel_shift)
1485 AV_COPY128(top_border+16, src_y+16*linesize+16);
1486
1487 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
1488 if(chroma444){
1489 if (pixel_shift){
1490 AV_COPY128(top_border+32, src_cb + 16*linesize);
1491 AV_COPY128(top_border+48, src_cb + 16*linesize+16);
1492 AV_COPY128(top_border+64, src_cr + 16*linesize);
1493 AV_COPY128(top_border+80, src_cr + 16*linesize+16);
1494 } else {
1495 AV_COPY128(top_border+16, src_cb + 16*linesize);
1496 AV_COPY128(top_border+32, src_cr + 16*linesize);
1497 }
1498 } else {
1499 if (pixel_shift) {
1500 AV_COPY128(top_border+32, src_cb+8*uvlinesize);
1501 AV_COPY128(top_border+48, src_cr+8*uvlinesize);
1502 } else {
1503 AV_COPY64(top_border+16, src_cb+8*uvlinesize);
1504 AV_COPY64(top_border+24, src_cr+8*uvlinesize);
1505 }
1506 }
1507 }
1508 }
1509
1510 static av_always_inline void xchg_mb_border(H264Context *h, uint8_t *src_y,
1511 uint8_t *src_cb, uint8_t *src_cr,
1512 int linesize, int uvlinesize,
1513 int xchg, int chroma444,
1514 int simple, int pixel_shift){
1515 MpegEncContext * const s = &h->s;
1516 int deblock_topleft;
1517 int deblock_top;
1518 int top_idx = 1;
1519 uint8_t *top_border_m1;
1520 uint8_t *top_border;
1521
1522 if(!simple && FRAME_MBAFF){
1523 if(s->mb_y&1){
1524 if(!MB_MBAFF)
1525 return;
1526 }else{
1527 top_idx = MB_MBAFF ? 0 : 1;
1528 }
1529 }
1530
1531 if(h->deblocking_filter == 2) {
1532 deblock_topleft = h->slice_table[h->mb_xy - 1 - s->mb_stride] == h->slice_num;
1533 deblock_top = h->top_type;
1534 } else {
1535 deblock_topleft = (s->mb_x > 0);
1536 deblock_top = (s->mb_y > !!MB_FIELD);
1537 }
1538
1539 src_y -= linesize + 1 + pixel_shift;
1540 src_cb -= uvlinesize + 1 + pixel_shift;
1541 src_cr -= uvlinesize + 1 + pixel_shift;
1542
1543 top_border_m1 = h->top_borders[top_idx][s->mb_x-1];
1544 top_border = h->top_borders[top_idx][s->mb_x];
1545
1546 #define XCHG(a,b,xchg)\
1547 if (pixel_shift) {\
1548 if (xchg) {\
1549 AV_SWAP64(b+0,a+0);\
1550 AV_SWAP64(b+8,a+8);\
1551 } else {\
1552 AV_COPY128(b,a); \
1553 }\
1554 } else \
1555 if (xchg) AV_SWAP64(b,a);\
1556 else AV_COPY64(b,a);
1557
1558 if(deblock_top){
1559 if(deblock_topleft){
1560 XCHG(top_border_m1 + (8 << pixel_shift), src_y - (7 << pixel_shift), 1);
1561 }
1562 XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg);
1563 XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1);
1564 if(s->mb_x+1 < s->mb_width){
1565 XCHG(h->top_borders[top_idx][s->mb_x+1], src_y + (17 << pixel_shift), 1);
1566 }
1567 }
1568 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
1569 if(chroma444){
1570 if(deblock_topleft){
1571 XCHG(top_border_m1 + (24 << pixel_shift), src_cb - (7 << pixel_shift), 1);
1572 XCHG(top_border_m1 + (40 << pixel_shift), src_cr - (7 << pixel_shift), 1);
1573 }
1574 XCHG(top_border + (16 << pixel_shift), src_cb + (1 << pixel_shift), xchg);
1575 XCHG(top_border + (24 << pixel_shift), src_cb + (9 << pixel_shift), 1);
1576 XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg);
1577 XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1);
1578 if(s->mb_x+1 < s->mb_width){
1579 XCHG(h->top_borders[top_idx][s->mb_x+1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1);
1580 XCHG(h->top_borders[top_idx][s->mb_x+1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1);
1581 }
1582 } else {
1583 if(deblock_top){
1584 if(deblock_topleft){
1585 XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1);
1586 XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1);
1587 }
1588 XCHG(top_border + (16 << pixel_shift), src_cb+1+pixel_shift, 1);
1589 XCHG(top_border + (24 << pixel_shift), src_cr+1+pixel_shift, 1);
1590 }
1591 }
1592 }
1593 }
1594
1595 static av_always_inline int dctcoef_get(DCTELEM *mb, int high_bit_depth, int index) {
1596 if (high_bit_depth) {
1597 return AV_RN32A(((int32_t*)mb) + index);
1598 } else
1599 return AV_RN16A(mb + index);
1600 }
1601
1602 static av_always_inline void dctcoef_set(DCTELEM *mb, int high_bit_depth, int index, int value) {
1603 if (high_bit_depth) {
1604 AV_WN32A(((int32_t*)mb) + index, value);
1605 } else
1606 AV_WN16A(mb + index, value);
1607 }
1608
1609 static av_always_inline void hl_decode_mb_predict_luma(H264Context *h, int mb_type, int is_h264, int simple, int transform_bypass,
1610 int pixel_shift, int *block_offset, int linesize, uint8_t *dest_y, int p)
1611 {
1612 MpegEncContext * const s = &h->s;
1613 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
1614 void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
1615 int i;
1616 int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
1617 block_offset += 16*p;
1618 if(IS_INTRA4x4(mb_type)){
1619 if(simple || !s->encoding){
1620 if(IS_8x8DCT(mb_type)){
1621 if(transform_bypass){
1622 idct_dc_add =
1623 idct_add = s->dsp.add_pixels8;
1624 }else{
1625 idct_dc_add = h->h264dsp.h264_idct8_dc_add;
1626 idct_add = h->h264dsp.h264_idct8_add;
1627 }
1628 for(i=0; i<16; i+=4){
1629 uint8_t * const ptr= dest_y + block_offset[i];
1630 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
1631 if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
1632 h->hpc.pred8x8l_add[dir](ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1633 }else{
1634 const int nnz = h->non_zero_count_cache[ scan8[i+p*16] ];
1635 h->hpc.pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
1636 (h->topright_samples_available<<i)&0x4000, linesize);
1637 if(nnz){
1638 if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16+p*256))
1639 idct_dc_add(ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1640 else
1641 idct_add (ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1642 }
1643 }
1644 }
1645 }else{
1646 if(transform_bypass){
1647 idct_dc_add =
1648 idct_add = s->dsp.add_pixels4;
1649 }else{
1650 idct_dc_add = h->h264dsp.h264_idct_dc_add;
1651 idct_add = h->h264dsp.h264_idct_add;
1652 }
1653 for(i=0; i<16; i++){
1654 uint8_t * const ptr= dest_y + block_offset[i];
1655 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
1656
1657 if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
1658 h->hpc.pred4x4_add[dir](ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1659 }else{
1660 uint8_t *topright;
1661 int nnz, tr;
1662 uint64_t tr_high;
1663 if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
1664 const int topright_avail= (h->topright_samples_available<<i)&0x8000;
1665 assert(s->mb_y || linesize <= block_offset[i]);
1666 if(!topright_avail){
1667 if (pixel_shift) {
1668 tr_high= ((uint16_t*)ptr)[3 - linesize/2]*0x0001000100010001ULL;
1669 topright= (uint8_t*) &tr_high;
1670 } else {
1671 tr= ptr[3 - linesize]*0x01010101u;
1672 topright= (uint8_t*) &tr;
1673 }
1674 }else
1675 topright= ptr + (4 << pixel_shift) - linesize;
1676 }else
1677 topright= NULL;
1678
1679 h->hpc.pred4x4[ dir ](ptr, topright, linesize);
1680 nnz = h->non_zero_count_cache[ scan8[i+p*16] ];
1681 if(nnz){
1682 if(is_h264){
1683 if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16+p*256))
1684 idct_dc_add(ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1685 else
1686 idct_add (ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1687 }else
1688 ff_svq3_add_idct_c(ptr, h->mb + i*16+p*256, linesize, qscale, 0);
1689 }
1690 }
1691 }
1692 }
1693 }
1694 }else{
1695 h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
1696 if(is_h264){
1697 if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX+p] ]){
1698 if(!transform_bypass)
1699 h->h264dsp.h264_luma_dc_dequant_idct(h->mb+(p*256 << pixel_shift), h->mb_luma_dc[p], h->dequant4_coeff[p][qscale][0]);
1700 else{
1701 static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
1702 8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
1703 for(i = 0; i < 16; i++)
1704 dctcoef_set(h->mb+p*256, pixel_shift, dc_mapping[i], dctcoef_get(h->mb_luma_dc[p], pixel_shift, i));
1705 }
1706 }
1707 }else
1708 ff_svq3_luma_dc_dequant_idct_c(h->mb+p*256, h->mb_luma_dc[p], qscale);
1709 }
1710 }
1711
1712 static av_always_inline void hl_decode_mb_idct_luma(H264Context *h, int mb_type, int is_h264, int simple, int transform_bypass,
1713 int pixel_shift, int *block_offset, int linesize, uint8_t *dest_y, int p)
1714 {
1715 MpegEncContext * const s = &h->s;
1716 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
1717 int i;
1718 block_offset += 16*p;
1719 if(!IS_INTRA4x4(mb_type)){
1720 if(is_h264){
1721 if(IS_INTRA16x16(mb_type)){
1722 if(transform_bypass){
1723 if(h->sps.profile_idc==244 && (h->intra16x16_pred_mode==VERT_PRED8x8 || h->intra16x16_pred_mode==HOR_PRED8x8)){
1724 h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize);
1725 }else{
1726 for(i=0; i<16; i++){
1727 if(h->non_zero_count_cache[ scan8[i+p*16] ] || dctcoef_get(h->mb, pixel_shift, i*16+p*256))
1728 s->dsp.add_pixels4(dest_y + block_offset[i], h->mb + (i*16+p*256 << pixel_shift), linesize);
1729 }
1730 }
1731 }else{
1732 h->h264dsp.h264_idct_add16intra(dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize, h->non_zero_count_cache+p*5*8);
1733 }
1734 }else if(h->cbp&15){
1735 if(transform_bypass){
1736 const int di = IS_8x8DCT(mb_type) ? 4 : 1;
1737 idct_add= IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
1738 for(i=0; i<16; i+=di){
1739 if(h->non_zero_count_cache[ scan8[i+p*16] ]){
1740 idct_add(dest_y + block_offset[i], h->mb + (i*16+p*256 << pixel_shift), linesize);
1741 }
1742 }
1743 }else{
1744 if(IS_8x8DCT(mb_type)){
1745 h->h264dsp.h264_idct8_add4(dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize, h->non_zero_count_cache+p*5*8);
1746 }else{
1747 h->h264dsp.h264_idct_add16(dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize, h->non_zero_count_cache+p*5*8);
1748 }
1749 }
1750 }
1751 }else{
1752 for(i=0; i<16; i++){
1753 if(h->non_zero_count_cache[ scan8[i+p*16] ] || h->mb[i*16+p*256]){ //FIXME benchmark weird rule, & below
1754 uint8_t * const ptr= dest_y + block_offset[i];
1755 ff_svq3_add_idct_c(ptr, h->mb + i*16 + p*256, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
1756 }
1757 }
1758 }
1759 }
1760 }
1761
1762 static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, int pixel_shift){
1763 MpegEncContext * const s = &h->s;
1764 const int mb_x= s->mb_x;
1765 const int mb_y= s->mb_y;
1766 const int mb_xy= h->mb_xy;
1767 const int mb_type = s->current_picture.f.mb_type[mb_xy];
1768 uint8_t *dest_y, *dest_cb, *dest_cr;
1769 int linesize, uvlinesize /*dct_offset*/;
1770 int i, j;
1771 int *block_offset = &h->block_offset[0];
1772 const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);
1773 /* is_h264 should always be true if SVQ3 is disabled. */
1774 const int is_h264 = !CONFIG_SVQ3_DECODER || simple || s->codec_id == CODEC_ID_H264;
1775 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
1776
1777 dest_y = s->current_picture.f.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
1778 dest_cb = s->current_picture.f.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
1779 dest_cr = s->current_picture.f.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
1780
1781 s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);
1782 s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + (64 << pixel_shift), dest_cr - dest_cb, 2);
1783
1784 h->list_counts[mb_xy]= h->list_count;
1785
1786 if (!simple && MB_FIELD) {
1787 linesize = h->mb_linesize = s->linesize * 2;
1788 uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
1789 block_offset = &h->block_offset[48];
1790 if(mb_y&1){ //FIXME move out of this function?
1791 dest_y -= s->linesize*15;
1792 dest_cb-= s->uvlinesize*7;
1793 dest_cr-= s->uvlinesize*7;
1794 }
1795 if(FRAME_MBAFF) {
1796 int list;
1797 for(list=0; list<h->list_count; list++){
1798 if(!USES_LIST(mb_type, list))
1799 continue;
1800 if(IS_16X16(mb_type)){
1801 int8_t *ref = &h->ref_cache[list][scan8[0]];
1802 fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);
1803 }else{
1804 for(i=0; i<16; i+=4){
1805 int ref = h->ref_cache[list][scan8[i]];
1806 if(ref >= 0)
1807 fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);
1808 }
1809 }
1810 }
1811 }
1812 } else {
1813 linesize = h->mb_linesize = s->linesize;
1814 uvlinesize = h->mb_uvlinesize = s->uvlinesize;
1815 // dct_offset = s->linesize * 16;
1816 }
1817
1818 if (!simple && IS_INTRA_PCM(mb_type)) {
1819 if (pixel_shift) {
1820 const int bit_depth = h->sps.bit_depth_luma;
1821 int j;
1822 GetBitContext gb;
1823 init_get_bits(&gb, (uint8_t*)h->mb, 384*bit_depth);
1824
1825 for (i = 0; i < 16; i++) {
1826 uint16_t *tmp_y = (uint16_t*)(dest_y + i*linesize);
1827 for (j = 0; j < 16; j++)
1828 tmp_y[j] = get_bits(&gb, bit_depth);
1829 }
1830 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
1831 if (!h->sps.chroma_format_idc) {
1832 for (i = 0; i < 8; i++) {
1833 uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
1834 for (j = 0; j < 8; j++) {
1835 tmp_cb[j] = 1 << (bit_depth - 1);
1836 }
1837 }
1838 for (i = 0; i < 8; i++) {
1839 uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
1840 for (j = 0; j < 8; j++) {
1841 tmp_cr[j] = 1 << (bit_depth - 1);
1842 }
1843 }
1844 } else {
1845 for (i = 0; i < 8; i++) {
1846 uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
1847 for (j = 0; j < 8; j++)
1848 tmp_cb[j] = get_bits(&gb, bit_depth);
1849 }
1850 for (i = 0; i < 8; i++) {
1851 uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
1852 for (j = 0; j < 8; j++)
1853 tmp_cr[j] = get_bits(&gb, bit_depth);
1854 }
1855 }
1856 }
1857 } else {
1858 for (i=0; i<16; i++) {
1859 memcpy(dest_y + i* linesize, h->mb + i*8, 16);
1860 }
1861 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
1862 if (!h->sps.chroma_format_idc) {
1863 for (i = 0; i < 8; i++) {
1864 memset(dest_cb + i*uvlinesize, 128, 8);
1865 memset(dest_cr + i*uvlinesize, 128, 8);
1866 }
1867 } else {
1868 for (i = 0; i < 8; i++) {
1869 memcpy(dest_cb + i*uvlinesize, h->mb + 128 + i*4, 8);
1870 memcpy(dest_cr + i*uvlinesize, h->mb + 160 + i*4, 8);
1871 }
1872 }
1873 }
1874 }
1875 } else {
1876 if(IS_INTRA(mb_type)){
1877 if(h->deblocking_filter)
1878 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, 0, simple, pixel_shift);
1879
1880 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
1881 h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
1882 h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
1883 }
1884
1885 hl_decode_mb_predict_luma(h, mb_type, is_h264, simple, transform_bypass, pixel_shift, block_offset, linesize, dest_y, 0);
1886
1887 if(h->deblocking_filter)
1888 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, 0, simple, pixel_shift);
1889 }else if(is_h264){
1890 hl_motion(h, dest_y, dest_cb, dest_cr,
1891 s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
1892 s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
1893 h->h264dsp.weight_h264_pixels_tab,
1894 h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 0);
1895 }
1896
1897 hl_decode_mb_idct_luma(h, mb_type, is_h264, simple, transform_bypass, pixel_shift, block_offset, linesize, dest_y, 0);
1898
1899 if((simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) && (h->cbp&0x30)){
1900 uint8_t *dest[2] = {dest_cb, dest_cr};
1901 if(transform_bypass){
1902 if(IS_INTRA(mb_type) && h->sps.profile_idc==244 && (h->chroma_pred_mode==VERT_PRED8x8 || h->chroma_pred_mode==HOR_PRED8x8)){
1903 h->hpc.pred8x8_add[h->chroma_pred_mode](dest[0], block_offset + 16, h->mb + (16*16*1 << pixel_shift), uvlinesize);
1904 h->hpc.pred8x8_add[h->chroma_pred_mode](dest[1], block_offset + 32, h->mb + (16*16*2 << pixel_shift), uvlinesize);
1905 }else{
1906 idct_add = s->dsp.add_pixels4;
1907 for(j=1; j<3; j++){
1908 for(i=j*16; i<j*16+4; i++){
1909 if(h->non_zero_count_cache[ scan8[i] ] || dctcoef_get(h->mb, pixel_shift, i*16))
1910 idct_add (dest[j-1] + block_offset[i], h->mb + (i*16 << pixel_shift), uvlinesize);
1911 }
1912 }
1913 }
1914 }else{
1915 if(is_h264){
1916 if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
1917 h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16*1 << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
1918 if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
1919 h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16*2 << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
1920 h->h264dsp.h264_idct_add8(dest, block_offset,
1921 h->mb, uvlinesize,
1922 h->non_zero_count_cache);
1923 }else{
1924 h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16*1, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
1925 h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16*2, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
1926 for(j=1; j<3; j++){
1927 for(i=j*16; i<j*16+4; i++){
1928 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
1929 uint8_t * const ptr= dest[j-1] + block_offset[i];
1930 ff_svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, ff_h264_chroma_qp[0][s->qscale + 12] - 12, 2);
1931 }
1932 }
1933 }
1934 }
1935 }
1936 }
1937 }
1938 if(h->cbp || IS_INTRA(mb_type))
1939 {
1940 s->dsp.clear_blocks(h->mb);
1941 s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));
1942 }
1943 }
1944
1945 static av_always_inline void hl_decode_mb_444_internal(H264Context *h, int simple, int pixel_shift){
1946 MpegEncContext * const s = &h->s;
1947 const int mb_x= s->mb_x;
1948 const int mb_y= s->mb_y;
1949 const int mb_xy= h->mb_xy;
1950 const int mb_type = s->current_picture.f.mb_type[mb_xy];
1951 uint8_t *dest[3];
1952 int linesize;
1953 int i, j, p;
1954 int *block_offset = &h->block_offset[0];
1955 const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);
1956 const int plane_count = (simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) ? 3 : 1;
1957
1958 for (p = 0; p < plane_count; p++)
1959 {
1960 dest[p] = s->current_picture.f.data[p] + ((mb_x << pixel_shift) + mb_y * s->linesize) * 16;
1961 s->dsp.prefetch(dest[p] + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);
1962 }
1963
1964 h->list_counts[mb_xy]= h->list_count;
1965
1966 if (!simple && MB_FIELD) {
1967 linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;
1968 block_offset = &h->block_offset[48];
1969 if(mb_y&1) //FIXME move out of this function?
1970 for (p = 0; p < 3; p++)
1971 dest[p] -= s->linesize*15;
1972 if(FRAME_MBAFF) {
1973 int list;
1974 for(list=0; list<h->list_count; list++){
1975 if(!USES_LIST(mb_type, list))
1976 continue;
1977 if(IS_16X16(mb_type)){
1978 int8_t *ref = &h->ref_cache[list][scan8[0]];
1979 fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);
1980 }else{
1981 for(i=0; i<16; i+=4){
1982 int ref = h->ref_cache[list][scan8[i]];
1983 if(ref >= 0)
1984 fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);
1985 }
1986 }
1987 }
1988 }
1989 } else {
1990 linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;
1991 }
1992
1993 if (!simple && IS_INTRA_PCM(mb_type)) {
1994 if (pixel_shift) {
1995 const int bit_depth = h->sps.bit_depth_luma;
1996 GetBitContext gb;
1997 init_get_bits(&gb, (uint8_t*)h->mb, 768*bit_depth);
1998
1999 for (p = 0; p < plane_count; p++) {
2000 for (i = 0; i < 16; i++) {
2001 uint16_t *tmp = (uint16_t*)(dest[p] + i*linesize);
2002 for (j = 0; j < 16; j++)
2003 tmp[j] = get_bits(&gb, bit_depth);
2004 }
2005 }
2006 } else {
2007 for (p = 0; p < plane_count; p++) {
2008 for (i = 0; i < 16; i++) {
2009 memcpy(dest[p] + i*linesize, h->mb + p*128 + i*8, 16);
2010 }
2011 }
2012 }
2013 } else {
2014 if(IS_INTRA(mb_type)){
2015 if(h->deblocking_filter)
2016 xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 1, 1, simple, pixel_shift);
2017
2018 for (p = 0; p < plane_count; p++)
2019 hl_decode_mb_predict_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);
2020
2021 if(h->deblocking_filter)
2022 xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 0, 1, simple, pixel_shift);
2023 }else{
2024 hl_motion(h, dest[0], dest[1], dest[2],
2025 s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
2026 s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
2027 h->h264dsp.weight_h264_pixels_tab,
2028 h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 1);
2029 }
2030
2031 for (p = 0; p < plane_count; p++)
2032 hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);
2033 }
2034 if(h->cbp || IS_INTRA(mb_type))
2035 {
2036 s->dsp.clear_blocks(h->mb);
2037 s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));
2038 }
2039 }
2040
2041 /**
2042 * Process a macroblock; this case avoids checks for expensive uncommon cases.
2043 */
2044 #define hl_decode_mb_simple(sh, bits) \
2045 static void hl_decode_mb_simple_ ## bits(H264Context *h){ \
2046 hl_decode_mb_internal(h, 1, sh); \
2047 }
2048 hl_decode_mb_simple(0, 8);
2049 hl_decode_mb_simple(1, 16);
2050
2051 /**
2052 * Process a macroblock; this handles edge cases, such as interlacing.
2053 */
2054 static void av_noinline hl_decode_mb_complex(H264Context *h){
2055 hl_decode_mb_internal(h, 0, h->pixel_shift);
2056 }
2057
2058 static void av_noinline hl_decode_mb_444_complex(H264Context *h){
2059 hl_decode_mb_444_internal(h, 0, h->pixel_shift);
2060 }
2061
2062 static void av_noinline hl_decode_mb_444_simple(H264Context *h){
2063 hl_decode_mb_444_internal(h, 1, 0);
2064 }
2065
2066 void ff_h264_hl_decode_mb(H264Context *h){
2067 MpegEncContext * const s = &h->s;
2068 const int mb_xy= h->mb_xy;
2069 const int mb_type = s->current_picture.f.mb_type[mb_xy];
2070 int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;
2071
2072 if (CHROMA444) {
2073 if(is_complex || h->pixel_shift)
2074 hl_decode_mb_444_complex(h);
2075 else
2076 hl_decode_mb_444_simple(h);
2077 } else if (is_complex) {
2078 hl_decode_mb_complex(h);
2079 } else if (h->pixel_shift) {
2080 hl_decode_mb_simple_16(h);
2081 } else
2082 hl_decode_mb_simple_8(h);
2083 }
2084
2085 static int pred_weight_table(H264Context *h){
2086 MpegEncContext * const s = &h->s;
2087 int list, i;
2088 int luma_def, chroma_def;
2089
2090 h->use_weight= 0;
2091 h->use_weight_chroma= 0;
2092 h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
2093 if(h->sps.chroma_format_idc)
2094 h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
2095 luma_def = 1<<h->luma_log2_weight_denom;
2096 chroma_def = 1<<h->chroma_log2_weight_denom;
2097
2098 for(list=0; list<2; list++){
2099 h->luma_weight_flag[list] = 0;
2100 h->chroma_weight_flag[list] = 0;
2101 for(i=0; i<h->ref_count[list]; i++){
2102 int luma_weight_flag, chroma_weight_flag;
2103
2104 luma_weight_flag= get_bits1(&s->gb);
2105 if(luma_weight_flag){
2106 h->luma_weight[i][list][0]= get_se_golomb(&s->gb);
2107 h->luma_weight[i][list][1]= get_se_golomb(&s->gb);
2108 if( h->luma_weight[i][list][0] != luma_def
2109 || h->luma_weight[i][list][1] != 0) {
2110 h->use_weight= 1;
2111 h->luma_weight_flag[list]= 1;
2112 }
2113 }else{
2114 h->luma_weight[i][list][0]= luma_def;
2115 h->luma_weight[i][list][1]= 0;
2116 }
2117
2118 if(h->sps.chroma_format_idc){
2119 chroma_weight_flag= get_bits1(&s->gb);
2120 if(chroma_weight_flag){
2121 int j;
2122 for(j=0; j<2; j++){
2123 h->chroma_weight[i][list][j][0]= get_se_golomb(&s->gb);
2124 h->chroma_weight[i][list][j][1]= get_se_golomb(&s->gb);
2125 if( h->chroma_weight[i][list][j][0] != chroma_def
2126 || h->chroma_weight[i][list][j][1] != 0) {
2127 h->use_weight_chroma= 1;
2128 h->chroma_weight_flag[list]= 1;
2129 }
2130 }
2131 }else{
2132 int j;
2133 for(j=0; j<2; j++){
2134 h->chroma_weight[i][list][j][0]= chroma_def;
2135 h->chroma_weight[i][list][j][1]= 0;
2136 }
2137 }
2138 }
2139 }
2140 if(h->slice_type_nos != AV_PICTURE_TYPE_B) break;
2141 }
2142 h->use_weight= h->use_weight || h->use_weight_chroma;
2143 return 0;
2144 }
2145
2146 /**
2147 * Initialize implicit_weight table.
2148 * @param field 0/1 initialize the weight for interlaced MBAFF
2149 * -1 initializes the rest
2150 */
2151 static void implicit_weight_table(H264Context *h, int field){
2152 MpegEncContext * const s = &h->s;
2153 int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
2154
2155 for (i = 0; i < 2; i++) {
2156 h->luma_weight_flag[i] = 0;
2157 h->chroma_weight_flag[i] = 0;
2158 }
2159
2160 if(field < 0){
2161 if (s->picture_structure == PICT_FRAME) {
2162 cur_poc = s->current_picture_ptr->poc;
2163 } else {
2164 cur_poc = s->current_picture_ptr->field_poc[s->picture_structure - 1];
2165 }
2166 if( h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF
2167 && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
2168 h->use_weight= 0;
2169 h->use_weight_chroma= 0;
2170 return;
2171 }
2172 ref_start= 0;
2173 ref_count0= h->ref_count[0];
2174 ref_count1= h->ref_count[1];
2175 }else{
2176 cur_poc = s->current_picture_ptr->field_poc[field];
2177 ref_start= 16;
2178 ref_count0= 16+2*h->ref_count[0];
2179 ref_count1= 16+2*h->ref_count[1];
2180 }
2181
2182 h->use_weight= 2;
2183 h->use_weight_chroma= 2;
2184 h->luma_log2_weight_denom= 5;
2185 h->chroma_log2_weight_denom= 5;
2186
2187 for(ref0=ref_start; ref0 < ref_count0; ref0++){
2188 int poc0 = h->ref_list[0][ref0].poc;
2189 for(ref1=ref_start; ref1 < ref_count1; ref1++){
2190 int w = 32;
2191 if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) {
2192 int poc1 = h->ref_list[1][ref1].poc;
2193 int td = av_clip(poc1 - poc0, -128, 127);
2194 if(td){
2195 int tb = av_clip(cur_poc - poc0, -128, 127);
2196 int tx = (16384 + (FFABS(td) >> 1)) / td;
2197 int dist_scale_factor = (tb*tx + 32) >> 8;
2198 if(dist_scale_factor >= -64 && dist_scale_factor <= 128)
2199 w = 64 - dist_scale_factor;
2200 }
2201 }
2202 if(field<0){
2203 h->implicit_weight[ref0][ref1][0]=
2204 h->implicit_weight[ref0][ref1][1]= w;
2205 }else{
2206 h->implicit_weight[ref0][ref1][field]=w;
2207 }
2208 }
2209 }
2210 }
2211
2212 /**
2213 * instantaneous decoder refresh.
2214 */
2215 static void idr(H264Context *h){
2216 ff_h264_remove_all_refs(h);
2217 h->prev_frame_num= 0;
2218 h->prev_frame_num_offset= 0;
2219 h->prev_poc_msb=
2220 h->prev_poc_lsb= 0;
2221 }
2222
2223 /* forget old pics after a seek */
2224 static void flush_dpb(AVCodecContext *avctx){
2225 H264Context *h= avctx->priv_data;
2226 int i;
2227 for(i=0; i<MAX_DELAYED_PIC_COUNT; i++) {
2228 if(h->delayed_pic[i])
2229 h->delayed_pic[i]->f.reference = 0;
2230 h->delayed_pic[i]= NULL;
2231 }
2232 h->outputed_poc=h->next_outputed_poc= INT_MIN;
2233 h->prev_interlaced_frame = 1;
2234 idr(h);
2235 if(h->s.current_picture_ptr)
2236 h->s.current_picture_ptr->f.reference = 0;
2237 h->s.first_field= 0;
2238 ff_h264_reset_sei(h);
2239 ff_mpeg_flush(avctx);
2240 }
2241
2242 static int init_poc(H264Context *h){
2243 MpegEncContext * const s = &h->s;
2244 const int max_frame_num= 1<<h->sps.log2_max_frame_num;
2245 int field_poc[2];
2246 Picture *cur = s->current_picture_ptr;
2247
2248 h->frame_num_offset= h->prev_frame_num_offset;
2249 if(h->frame_num < h->prev_frame_num)
2250 h->frame_num_offset += max_frame_num;
2251
2252 if(h->sps.poc_type==0){
2253 const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
2254
2255 if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
2256 h->poc_msb = h->prev_poc_msb + max_poc_lsb;
2257 else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
2258 h->poc_msb = h->prev_poc_msb - max_poc_lsb;
2259 else
2260 h->poc_msb = h->prev_poc_msb;
2261 //printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
2262 field_poc[0] =
2263 field_poc[1] = h->poc_msb + h->poc_lsb;
2264 if(s->picture_structure == PICT_FRAME)
2265 field_poc[1] += h->delta_poc_bottom;
2266 }else if(h->sps.poc_type==1){
2267 int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
2268 int i;
2269
2270 if(h->sps.poc_cycle_length != 0)
2271 abs_frame_num = h->frame_num_offset + h->frame_num;
2272 else
2273 abs_frame_num = 0;
2274
2275 if(h->nal_ref_idc==0 && abs_frame_num > 0)
2276 abs_frame_num--;
2277
2278 expected_delta_per_poc_cycle = 0;
2279 for(i=0; i < h->sps.poc_cycle_length; i++)
2280 expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
2281
2282 if(abs_frame_num > 0){
2283 int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length;
2284 int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
2285
2286 expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
2287 for(i = 0; i <= frame_num_in_poc_cycle; i++)
2288 expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
2289 } else
2290 expectedpoc = 0;
2291
2292 if(h->nal_ref_idc == 0)
2293 expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
2294
2295 field_poc[0] = expectedpoc + h->delta_poc[0];
2296 field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
2297
2298 if(s->picture_structure == PICT_FRAME)
2299 field_poc[1] += h->delta_poc[1];
2300 }else{
2301 int poc= 2*(h->frame_num_offset + h->frame_num);
2302
2303 if(!h->nal_ref_idc)
2304 poc--;
2305
2306 field_poc[0]= poc;
2307 field_poc[1]= poc;
2308 }
2309
2310 if(s->picture_structure != PICT_BOTTOM_FIELD)
2311 s->current_picture_ptr->field_poc[0]= field_poc[0];
2312 if(s->picture_structure != PICT_TOP_FIELD)
2313 s->current_picture_ptr->field_poc[1]= field_poc[1];
2314 cur->poc= FFMIN(cur->field_poc[0], cur->field_poc[1]);
2315
2316 return 0;
2317 }
2318
2319
2320 /**
2321 * initialize scan tables
2322 */
2323 static void init_scan_tables(H264Context *h){
2324 int i;
2325 for(i=0; i<16; i++){
2326 #define T(x) (x>>2) | ((x<<2) & 0xF)
2327 h->zigzag_scan[i] = T(zigzag_scan[i]);
2328 h-> field_scan[i] = T( field_scan[i]);
2329 #undef T
2330 }
2331 for(i=0; i<64; i++){
2332 #define T(x) (x>>3) | ((x&7)<<3)
2333 h->zigzag_scan8x8[i] = T(ff_zigzag_direct[i]);
2334 h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
2335 h->field_scan8x8[i] = T(field_scan8x8[i]);
2336 h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
2337 #undef T
2338 }
2339 if(h->sps.transform_bypass){ //FIXME same ugly
2340 h->zigzag_scan_q0 = zigzag_scan;
2341 h->zigzag_scan8x8_q0 = ff_zigzag_direct;
2342 h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
2343 h->field_scan_q0 = field_scan;
2344 h->field_scan8x8_q0 = field_scan8x8;
2345 h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
2346 }else{
2347 h->zigzag_scan_q0 = h->zigzag_scan;
2348 h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
2349 h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
2350 h->field_scan_q0 = h->field_scan;
2351 h->field_scan8x8_q0 = h->field_scan8x8;
2352 h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
2353 }
2354 }
2355
2356 static int field_end(H264Context *h, int in_setup){
2357 MpegEncContext * const s = &h->s;
2358 AVCodecContext * const avctx= s->avctx;
2359 int err = 0;
2360 s->mb_y= 0;
2361
2362 if (!in_setup && !s->dropable)
2363 ff_thread_report_progress((AVFrame*)s->current_picture_ptr, (16*s->mb_height >> FIELD_PICTURE) - 1,
2364 s->picture_structure==PICT_BOTTOM_FIELD);
2365
2366 if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
2367 ff_vdpau_h264_set_reference_frames(s);
2368
2369 if(in_setup || !(avctx->active_thread_type&FF_THREAD_FRAME)){
2370 if(!s->dropable) {
2371 err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
2372 h->prev_poc_msb= h->poc_msb;
2373 h->prev_poc_lsb= h->poc_lsb;
2374 }
2375 h->prev_frame_num_offset= h->frame_num_offset;
2376 h->prev_frame_num= h->frame_num;
2377 h->outputed_poc = h->next_outputed_poc;
2378 }
2379
2380 if (avctx->hwaccel) {
2381 if (avctx->hwaccel->end_frame(avctx) < 0)
2382 av_log(avctx, AV_LOG_ERROR, "hardware accelerator failed to decode picture\n");
2383 }
2384
2385 if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
2386 ff_vdpau_h264_picture_complete(s);
2387
2388 /*
2389 * FIXME: Error handling code does not seem to support interlaced
2390 * when slices span multiple rows
2391 * The ff_er_add_slice calls don't work right for bottom
2392 * fields; they cause massive erroneous error concealing
2393 * Error marking covers both fields (top and bottom).
2394 * This causes a mismatched s->error_count
2395 * and a bad error table. Further, the error count goes to
2396 * INT_MAX when called for bottom field, because mb_y is
2397 * past end by one (callers fault) and resync_mb_y != 0
2398 * causes problems for the first MB line, too.
2399 */
2400 if (!FIELD_PICTURE)
2401 ff_er_frame_end(s);
2402
2403 MPV_frame_end(s);
2404
2405 h->current_slice=0;
2406
2407 return err;
2408 }
2409
2410 /**
2411 * Replicate H264 "master" context to thread contexts.
2412 */
2413 static void clone_slice(H264Context *dst, H264Context *src)
2414 {
2415 memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset));
2416 dst->s.current_picture_ptr = src->s.current_picture_ptr;
2417 dst->s.current_picture = src->s.current_picture;
2418 dst->s.linesize = src->s.linesize;
2419 dst->s.uvlinesize = src->s.uvlinesize;
2420 dst->s.first_field = src->s.first_field;
2421
2422 dst->prev_poc_msb = src->prev_poc_msb;
2423 dst->prev_poc_lsb = src->prev_poc_lsb;
2424 dst->prev_frame_num_offset = src->prev_frame_num_offset;
2425 dst->prev_frame_num = src->prev_frame_num;
2426 dst->short_ref_count = src->short_ref_count;
2427
2428 memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref));
2429 memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref));
2430 memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list));
2431 memcpy(dst->ref_list, src->ref_list, sizeof(dst->ref_list));
2432
2433 memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff));
2434 memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
2435 }
2436
2437 /**
2438 * computes profile from profile_idc and constraint_set?_flags
2439 *
2440 * @param sps SPS
2441 *
2442 * @return profile as defined by FF_PROFILE_H264_*
2443 */
2444 int ff_h264_get_profile(SPS *sps)
2445 {
2446 int profile = sps->profile_idc;
2447
2448 switch(sps->profile_idc) {
2449 case FF_PROFILE_H264_BASELINE:
2450 // constraint_set1_flag set to 1
2451 profile |= (sps->constraint_set_flags & 1<<1) ? FF_PROFILE_H264_CONSTRAINED : 0;
2452 break;
2453 case FF_PROFILE_H264_HIGH_10:
2454 case FF_PROFILE_H264_HIGH_422:
2455 case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
2456 // constraint_set3_flag set to 1
2457 profile |= (sps->constraint_set_flags & 1<<3) ? FF_PROFILE_H264_INTRA : 0;
2458 break;
2459 }
2460
2461 return profile;
2462 }
2463
2464 /**
2465 * decodes a slice header.
2466 * This will also call MPV_common_init() and frame_start() as needed.
2467 *
2468 * @param h h264context
2469 * @param h0 h264 master context (differs from 'h' when doing sliced based parallel decoding)
2470 *
2471 * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
2472 */
2473 static int decode_slice_header(H264Context *h, H264Context *h0){
2474 MpegEncContext * const s = &h->s;
2475 MpegEncContext * const s0 = &h0->s;
2476 unsigned int first_mb_in_slice;
2477 unsigned int pps_id;
2478 int num_ref_idx_active_override_flag;
2479 unsigned int slice_type, tmp, i, j;
2480 int default_ref_list_done = 0;
2481 int last_pic_structure;
2482
2483 s->dropable= h->nal_ref_idc == 0;
2484
2485 /* FIXME: 2tap qpel isn't implemented for high bit depth. */
2486 if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !h->nal_ref_idc && !h->pixel_shift){
2487 s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
2488 s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
2489 }else{
2490 s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
2491 s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
2492 }
2493
2494 first_mb_in_slice= get_ue_golomb(&s->gb);
2495
2496 if(first_mb_in_slice == 0){ //FIXME better field boundary detection
2497 if(h0->current_slice && FIELD_PICTURE){
2498 field_end(h, 1);
2499 }
2500
2501 h0->current_slice = 0;
2502 if (!s0->first_field)
2503 s->current_picture_ptr= NULL;
2504 }
2505
2506 slice_type= get_ue_golomb_31(&s->gb);
2507 if(slice_type > 9){
2508 av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
2509 return -1;
2510 }
2511 if(slice_type > 4){
2512 slice_type -= 5;
2513 h->slice_type_fixed=1;
2514 }else
2515 h->slice_type_fixed=0;
2516
2517 slice_type= golomb_to_pict_type[ slice_type ];
2518 if (slice_type == AV_PICTURE_TYPE_I
2519 || (h0->current_slice != 0 && slice_type == h0->last_slice_type) ) {
2520 default_ref_list_done = 1;
2521 }
2522 h->slice_type= slice_type;
2523 h->slice_type_nos= slice_type & 3;
2524
2525 s->pict_type= h->slice_type; // to make a few old functions happy, it's wrong though
2526
2527 pps_id= get_ue_golomb(&s->gb);
2528 if(pps_id>=MAX_PPS_COUNT){
2529 av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
2530 return -1;
2531 }
2532 if(!h0->pps_buffers[pps_id]) {
2533 av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS %u referenced\n", pps_id);
2534 return -1;
2535 }
2536 h->pps= *h0->pps_buffers[pps_id];
2537
2538 if(!h0->sps_buffers[h->pps.sps_id]) {
2539 av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS %u referenced\n", h->pps.sps_id);
2540 return -1;
2541 }
2542 h->sps = *h0->sps_buffers[h->pps.sps_id];
2543
2544 s->avctx->profile = ff_h264_get_profile(&h->sps);
2545 s->avctx->level = h->sps.level_idc;
2546 s->avctx->refs = h->sps.ref_frame_count;
2547
2548 if(h == h0 && h->dequant_coeff_pps != pps_id){
2549 h->dequant_coeff_pps = pps_id;
2550 init_dequant_tables(h);
2551 }
2552
2553 s->mb_width= h->sps.mb_width;
2554 s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
2555
2556 h->b_stride= s->mb_width*4;
2557
2558 s->width = 16*s->mb_width - (2>>CHROMA444)*FFMIN(h->sps.crop_right, (8<<CHROMA444)-1);
2559 if(h->sps.frame_mbs_only_flag)
2560 s->height= 16*s->mb_height - (2>>CHROMA444)*FFMIN(h->sps.crop_bottom, (8<<CHROMA444)-1);
2561 else
2562 s->height= 16*s->mb_height - (4>>CHROMA444)*FFMIN(h->sps.crop_bottom, (8<<CHROMA444)-1);
2563
2564 if (s->context_initialized
2565 && ( s->width != s->avctx->width || s->height != s->avctx->height
2566 || av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
2567 if(h != h0) {
2568 av_log_missing_feature(s->avctx, "Width/height changing with threads is", 0);
2569 return -1; // width / height changed during parallelized decoding
2570 }
2571 free_tables(h, 0);
2572 flush_dpb(s->avctx);
2573 MPV_common_end(s);
2574 }
2575 if (!s->context_initialized) {
2576 if (h != h0) {
2577 av_log(h->s.avctx, AV_LOG_ERROR, "Cannot (re-)initialize context during parallel decoding.\n");
2578 return -1;
2579 }
2580
2581 avcodec_set_dimensions(s->avctx, s->width, s->height);
2582 s->avctx->sample_aspect_ratio= h->sps.sar;
2583 av_assert0(s->avctx->sample_aspect_ratio.den);
2584
2585 if(h->sps.video_signal_type_present_flag){
2586 s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
2587 if(h->sps.colour_description_present_flag){
2588 s->avctx->color_primaries = h->sps.color_primaries;
2589 s->avctx->color_trc = h->sps.color_trc;
2590 s->avctx->colorspace = h->sps.colorspace;
2591 }
2592 }
2593
2594 if(h->sps.timing_info_present_flag){
2595 int64_t den= h->sps.time_scale;
2596 if(h->x264_build < 44U)
2597 den *= 2;
2598 av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
2599 h->sps.num_units_in_tick, den, 1<<30);
2600 }
2601
2602 switch (h->sps.bit_depth_luma) {
2603 case 9 :
2604 s->avctx->pix_fmt = CHROMA444 ? PIX_FMT_YUV444P9 : PIX_FMT_YUV420P9;
2605 break;
2606 case 10 :
2607 s->avctx->pix_fmt = CHROMA444 ? PIX_FMT_YUV444P10 : PIX_FMT_YUV420P10;
2608 break;
2609 default:
2610 if (CHROMA444){
2611 s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ444P : PIX_FMT_YUV444P;
2612 }else{
2613 s->avctx->pix_fmt = s->avctx->get_format(s->avctx,
2614 s->avctx->codec->pix_fmts ?
2615 s->avctx->codec->pix_fmts :
2616 s->avctx->color_range == AVCOL_RANGE_JPEG ?
2617 hwaccel_pixfmt_list_h264_jpeg_420 :
2618 ff_hwaccel_pixfmt_list_420);
2619 }
2620 }
2621
2622 s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
2623
2624 if (MPV_common_init(s) < 0) {
2625 av_log(h->s.avctx, AV_LOG_ERROR, "MPV_common_init() failed.\n");
2626 return -1;
2627 }
2628 s->first_field = 0;
2629 h->prev_interlaced_frame = 1;
2630
2631 init_scan_tables(h);
2632 if (ff_h264_alloc_tables(h) < 0) {
2633 av_log(h->s.avctx, AV_LOG_ERROR, "Could not allocate memory for h264\n");
2634 return AVERROR(ENOMEM);
2635 }
2636
2637 if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_SLICE)) {
2638 if (context_init(h) < 0) {
2639 av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
2640 return -1;
2641 }
2642 } else {
2643 for(i = 1; i < s->avctx->thread_count; i++) {
2644 H264Context *c;
2645 c = h->thread_context[i] = av_malloc(sizeof(H264Context));
2646 memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
2647 memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
2648 c->h264dsp = h->h264dsp;
2649 c->sps = h->sps;
2650 c->pps = h->pps;
2651 c->pixel_shift = h->pixel_shift;
2652 init_scan_tables(c);
2653 clone_tables(c, h, i);
2654 }
2655
2656 for(i = 0; i < s->avctx->thread_count; i++)
2657 if (context_init(h->thread_context[i]) < 0) {
2658 av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
2659 return -1;
2660 }
2661 }
2662 }
2663
2664 h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
2665
2666 h->mb_mbaff = 0;
2667 h->mb_aff_frame = 0;
2668 last_pic_structure = s0->picture_structure;
2669 if(h->sps.frame_mbs_only_flag){
2670 s->picture_structure= PICT_FRAME;
2671 }else{
2672 if(get_bits1(&s->gb)) { //field_pic_flag
2673 s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
2674 } else {
2675 s->picture_structure= PICT_FRAME;
2676 h->mb_aff_frame = h->sps.mb_aff;
2677 }
2678 }
2679 h->mb_field_decoding_flag= s->picture_structure != PICT_FRAME;
2680
2681 if(h0->current_slice == 0){
2682 // Shorten frame num gaps so we don't have to allocate reference frames just to throw them away
2683 if(h->frame_num != h->prev_frame_num) {
2684 int unwrap_prev_frame_num = h->prev_frame_num, max_frame_num = 1<<h->sps.log2_max_frame_num;
2685
2686 if (unwrap_prev_frame_num > h->frame_num) unwrap_prev_frame_num -= max_frame_num;
2687
2688 if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) {
2689 unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1;
2690 if (unwrap_prev_frame_num < 0)
2691 unwrap_prev_frame_num += max_frame_num;
2692
2693 h->prev_frame_num = unwrap_prev_frame_num;
2694 }
2695 }
2696
2697 while(h->frame_num != h->prev_frame_num &&
2698 h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
2699 Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
2700 av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
2701 if (ff_h264_frame_start(h) < 0)
2702 return -1;
2703 h->prev_frame_num++;
2704 h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
2705 s->current_picture_ptr->frame_num= h->prev_frame_num;
2706 ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 0);
2707 ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 1);
2708 ff_generate_sliding_window_mmcos(h);
2709 if (ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index) < 0 &&
2710 s->avctx->error_recognition >= FF_ER_EXPLODE)
2711 return AVERROR_INVALIDDATA;
2712 /* Error concealment: if a ref is missing, copy the previous ref in its place.
2713 * FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions
2714 * about there being no actual duplicates.
2715 * FIXME: this doesn't copy padding for out-of-frame motion vectors. Given we're
2716 * concealing a lost frame, this probably isn't noticable by comparison, but it should
2717 * be fixed. */
2718 if (h->short_ref_count) {
2719 if (prev) {
2720 av_image_copy(h->short_ref[0]->f.data, h->short_ref[0]->f.linesize,
2721 (const uint8_t**)prev->f.data, prev->f.linesize,
2722 s->avctx->pix_fmt, s->mb_width*16, s->mb_height*16);
2723 h->short_ref[0]->poc = prev->poc+2;
2724 }
2725 h->short_ref[0]->frame_num = h->prev_frame_num;
2726 }
2727 }
2728
2729 /* See if we have a decoded first field looking for a pair... */
2730 if (s0->first_field) {
2731 assert(s0->current_picture_ptr);
2732 assert(s0->current_picture_ptr->f.data[0]);
2733 assert(s0->current_picture_ptr->f.reference != DELAYED_PIC_REF);
2734
2735 /* figure out if we have a complementary field pair */
2736 if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {
2737 /*
2738 * Previous field is unmatched. Don't display it, but let it
2739 * remain for reference if marked as such.
2740 */
2741 s0->current_picture_ptr = NULL;
2742 s0->first_field = FIELD_PICTURE;
2743
2744 } else {
2745 if (h->nal_ref_idc &&
2746 s0->current_picture_ptr->f.reference &&
2747 s0->current_picture_ptr->frame_num != h->frame_num) {
2748 /*
2749 * This and previous field were reference, but had
2750 * different frame_nums. Consider this field first in
2751 * pair. Throw away previous field except for reference
2752 * purposes.
2753 */
2754 s0->first_field = 1;
2755 s0->current_picture_ptr = NULL;
2756
2757 } else {
2758 /* Second field in complementary pair */
2759 s0->first_field = 0;
2760 }
2761 }
2762
2763 } else {
2764 /* Frame or first field in a potentially complementary pair */
2765 assert(!s0->current_picture_ptr);
2766 s0->first_field = FIELD_PICTURE;
2767 }
2768
2769 if(!FIELD_PICTURE || s0->first_field) {
2770 if (ff_h264_frame_start(h) < 0) {
2771 s0->first_field = 0;
2772 return -1;
2773 }
2774 } else {
2775 ff_release_unused_pictures(s, 0);
2776 }
2777 }
2778 if(h != h0)
2779 clone_slice(h, h0);
2780
2781 s->current_picture_ptr->frame_num= h->frame_num; //FIXME frame_num cleanup
2782
2783 assert(s->mb_num == s->mb_width * s->mb_height);
2784 if(first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||
2785 first_mb_in_slice >= s->mb_num){
2786 av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
2787 return -1;
2788 }
2789 s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
2790 s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE;
2791 if (s->picture_structure == PICT_BOTTOM_FIELD)
2792 s->resync_mb_y = s->mb_y = s->mb_y + 1;
2793 assert(s->mb_y < s->mb_height);
2794
2795 if(s->picture_structure==PICT_FRAME){
2796 h->curr_pic_num= h->frame_num;
2797 h->max_pic_num= 1<< h->sps.log2_max_frame_num;
2798 }else{
2799 h->curr_pic_num= 2*h->frame_num + 1;
2800 h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
2801 }
2802
2803 if(h->nal_unit_type == NAL_IDR_SLICE){
2804 get_ue_golomb(&s->gb); /* idr_pic_id */
2805 }
2806
2807 if(h->sps.poc_type==0){
2808 h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
2809
2810 if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
2811 h->delta_poc_bottom= get_se_golomb(&s->gb);
2812 }
2813 }
2814
2815 if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
2816 h->delta_poc[0]= get_se_golomb(&s->gb);
2817
2818 if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
2819 h->delta_poc[1]= get_se_golomb(&s->gb);
2820 }
2821
2822 init_poc(h);
2823
2824 if(h->pps.redundant_pic_cnt_present){
2825 h->redundant_pic_count= get_ue_golomb(&s->gb);
2826 }
2827
2828 //set defaults, might be overridden a few lines later
2829 h->ref_count[0]= h->pps.ref_count[0];
2830 h->ref_count[1]= h->pps.ref_count[1];
2831
2832 if(h->slice_type_nos != AV_PICTURE_TYPE_I){
2833 if(h->slice_type_nos == AV_PICTURE_TYPE_B){
2834 h->direct_spatial_mv_pred= get_bits1(&s->gb);
2835 }
2836 num_ref_idx_active_override_flag= get_bits1(&s->gb);
2837
2838 if(num_ref_idx_active_override_flag){
2839 h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
2840 if(h->slice_type_nos==AV_PICTURE_TYPE_B)
2841 h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
2842
2843 if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
2844 av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
2845 h->ref_count[0]= h->ref_count[1]= 1;
2846 return -1;
2847 }
2848 }
2849 if(h->slice_type_nos == AV_PICTURE_TYPE_B)
2850 h->list_count= 2;
2851 else
2852 h->list_count= 1;
2853 }else
2854 h->list_count= 0;
2855
2856 if(!default_ref_list_done){
2857 ff_h264_fill_default_ref_list(h);
2858 }
2859
2860 if(h->slice_type_nos!=AV_PICTURE_TYPE_I && ff_h264_decode_ref_pic_list_reordering(h) < 0) {
2861 h->ref_count[1]= h->ref_count[0]= 0;
2862 return -1;
2863 }
2864
2865 if(h->slice_type_nos!=AV_PICTURE_TYPE_I){
2866 s->last_picture_ptr= &h->ref_list[0][0];
2867 ff_copy_picture(&s->last_picture, s->last_picture_ptr);
2868 }
2869 if(h->slice_type_nos==AV_PICTURE_TYPE_B){
2870 s->next_picture_ptr= &h->ref_list[1][0];
2871 ff_copy_picture(&s->next_picture, s->next_picture_ptr);
2872 }
2873
2874 if( (h->pps.weighted_pred && h->slice_type_nos == AV_PICTURE_TYPE_P )
2875 || (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== AV_PICTURE_TYPE_B ) )
2876 pred_weight_table(h);
2877 else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== AV_PICTURE_TYPE_B){
2878 implicit_weight_table(h, -1);
2879 }else {
2880 h->use_weight = 0;
2881 for (i = 0; i < 2; i++) {
2882 h->luma_weight_flag[i] = 0;
2883 h->chroma_weight_flag[i] = 0;
2884 }
2885 }
2886
2887 if(h->nal_ref_idc && ff_h264_decode_ref_pic_marking(h0, &s->gb) < 0 &&
2888 s->avctx->error_recognition >= FF_ER_EXPLODE)
2889 return AVERROR_INVALIDDATA;
2890
2891 if(FRAME_MBAFF){
2892 ff_h264_fill_mbaff_ref_list(h);
2893
2894 if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== AV_PICTURE_TYPE_B){
2895 implicit_weight_table(h, 0);
2896 implicit_weight_table(h, 1);
2897 }
2898 }
2899
2900 if(h->slice_type_nos==AV_PICTURE_TYPE_B && !h->direct_spatial_mv_pred)
2901 ff_h264_direct_dist_scale_factor(h);
2902 ff_h264_direct_ref_list_init(h);
2903
2904 if( h->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac ){
2905 tmp = get_ue_golomb_31(&s->gb);
2906 if(tmp > 2){
2907 av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
2908 return -1;
2909 }
2910 h->cabac_init_idc= tmp;
2911 }
2912
2913 h->last_qscale_diff = 0;
2914 tmp = h->pps.init_qp + get_se_golomb(&s->gb);
2915 if(tmp>51+6*(h->sps.bit_depth_luma-8)){
2916 av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
2917 return -1;
2918 }
2919 s->qscale= tmp;
2920 h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
2921 h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
2922 //FIXME qscale / qp ... stuff
2923 if(h->slice_type == AV_PICTURE_TYPE_SP){
2924 get_bits1(&s->gb); /* sp_for_switch_flag */
2925 }
2926 if(h->slice_type==AV_PICTURE_TYPE_SP || h->slice_type == AV_PICTURE_TYPE_SI){
2927 get_se_golomb(&s->gb); /* slice_qs_delta */
2928 }
2929
2930 h->deblocking_filter = 1;
2931 h->slice_alpha_c0_offset = 52;
2932 h->slice_beta_offset = 52;
2933 if( h->pps.deblocking_filter_parameters_present ) {
2934 tmp= get_ue_golomb_31(&s->gb);
2935 if(tmp > 2){
2936 av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
2937 return -1;
2938 }
2939 h->deblocking_filter= tmp;
2940 if(h->deblocking_filter < 2)
2941 h->deblocking_filter^= 1; // 1<->0
2942
2943 if( h->deblocking_filter ) {
2944 h->slice_alpha_c0_offset += get_se_golomb(&s->gb) << 1;
2945 h->slice_beta_offset += get_se_golomb(&s->gb) << 1;
2946 if( h->slice_alpha_c0_offset > 104U
2947 || h->slice_beta_offset > 104U){
2948 av_log(s->avctx, AV_LOG_ERROR, "deblocking filter parameters %d %d out of range\n", h->slice_alpha_c0_offset, h->slice_beta_offset);
2949 return -1;
2950 }
2951 }
2952 }
2953
2954 if( s->avctx->skip_loop_filter >= AVDISCARD_ALL
2955 ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type_nos != AV_PICTURE_TYPE_I)
2956 ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type_nos == AV_PICTURE_TYPE_B)
2957 ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
2958 h->deblocking_filter= 0;
2959
2960 if(h->deblocking_filter == 1 && h0->max_contexts > 1) {
2961 if(s->avctx->flags2 & CODEC_FLAG2_FAST) {
2962 /* Cheat slightly for speed:
2963 Do not bother to deblock across slices. */
2964 h->deblocking_filter = 2;
2965 } else {
2966 h0->max_contexts = 1;
2967 if(!h0->single_decode_warning) {
2968 av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
2969 h0->single_decode_warning = 1;
2970 }
2971 if (h != h0) {
2972 av_log(h->s.avctx, AV_LOG_ERROR, "Deblocking switched inside frame.\n");
2973 return 1;
2974 }
2975 }
2976 }
2977 h->qp_thresh = 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset)
2978 - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1])
2979 + 6 * (h->sps.bit_depth_luma - 8);
2980
2981 #if 0 //FMO
2982 if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
2983 slice_group_change_cycle= get_bits(&s->gb, ?);
2984 #endif
2985
2986 h0->last_slice_type = slice_type;
2987 h->slice_num = ++h0->current_slice;
2988 if(h->slice_num >= MAX_SLICES){
2989 av_log(s->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n");
2990 }
2991
2992 for(j=0; j<2; j++){
2993 int id_list[16];
2994 int *ref2frm= h->ref2frm[h->slice_num&(MAX_SLICES-1)][j];
2995 for(i=0; i<16; i++){
2996 id_list[i]= 60;
2997 if (h->ref_list[j][i].f.data[0]) {
2998 int k;
2999 uint8_t *base = h->ref_list[j][i].f.base[0];
3000 for(k=0; k<h->short_ref_count; k++)
3001 if (h->short_ref[k]->f.base[0] == base) {
3002 id_list[i]= k;
3003 break;
3004 }
3005 for(k=0; k<h->long_ref_count; k++)
3006 if (h->long_ref[k] && h->long_ref[k]->f.base[0] == base) {
3007 id_list[i]= h->short_ref_count + k;
3008 break;
3009 }
3010 }
3011 }
3012
3013 ref2frm[0]=
3014 ref2frm[1]= -1;
3015 for(i=0; i<16; i++)
3016 ref2frm[i+2]= 4*id_list[i]
3017 + (h->ref_list[j][i].f.reference & 3);
3018 ref2frm[18+0]=
3019 ref2frm[18+1]= -1;
3020 for(i=16; i<48; i++)
3021 ref2frm[i+4]= 4*id_list[(i-16)>>1]
3022 + (h->ref_list[j][i].f.reference & 3);
3023 }
3024
3025 //FIXME: fix draw_edges+PAFF+frame threads
3026 h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE || (!h->sps.frame_mbs_only_flag && s->avctx->active_thread_type)) ? 0 : 16;
3027 h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
3028
3029 if(s->avctx->debug&FF_DEBUG_PICT_INFO){
3030 av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
3031 h->slice_num,
3032 (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
3033 first_mb_in_slice,
3034 av_get_picture_type_char(h->slice_type), h->slice_type_fixed ? " fix" : "", h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
3035 pps_id, h->frame_num,
3036 s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
3037 h->ref_count[0], h->ref_count[1],
3038 s->qscale,
3039 h->deblocking_filter, h->slice_alpha_c0_offset/2-26, h->slice_beta_offset/2-26,
3040 h->use_weight,
3041 h->use_weight==1 && h->use_weight_chroma ? "c" : "",
3042 h->slice_type == AV_PICTURE_TYPE_B ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""
3043 );
3044 }
3045
3046 return 0;
3047 }
3048
3049 int ff_h264_get_slice_type(const H264Context *h)
3050 {
3051 switch (h->slice_type) {
3052 case AV_PICTURE_TYPE_P: return 0;
3053 case AV_PICTURE_TYPE_B: return 1;
3054 case AV_PICTURE_TYPE_I: return 2;
3055 case AV_PICTURE_TYPE_SP: return 3;
3056 case AV_PICTURE_TYPE_SI: return 4;
3057 default: return -1;
3058 }
3059 }
3060
3061 static av_always_inline void fill_filter_caches_inter(H264Context *h, MpegEncContext * const s, int mb_type, int top_xy,
3062 int left_xy[LEFT_MBS], int top_type, int left_type[LEFT_MBS], int mb_xy, int list)
3063 {
3064 int b_stride = h->b_stride;
3065 int16_t (*mv_dst)[2] = &h->mv_cache[list][scan8[0]];
3066 int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
3067 if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
3068 if(USES_LIST(top_type, list)){
3069 const int b_xy= h->mb2b_xy[top_xy] + 3*b_stride;
3070 const int b8_xy= 4*top_xy + 2;
3071 int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
3072 AV_COPY128(mv_dst - 1*8, s->current_picture.f.motion_val[list][b_xy + 0]);
3073 ref_cache[0 - 1*8]=
3074 ref_cache[1 - 1*8]= ref2frm[list][s->current_picture.f.ref_index[list][b8_xy + 0]];
3075 ref_cache[2 - 1*8]=
3076 ref_cache[3 - 1*8]= ref2frm[list][s->current_picture.f.ref_index[list][b8_xy