4:4:4 H.264 decoding support
[libav.git] / libavcodec / h264.c
CommitLineData
0da71265 1/*
ff3d4310 2 * H.26L/H.264/AVC/JVT/14496-10/... decoder
0da71265
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3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
2912e87a 5 * This file is part of Libav.
b78e7197 6 *
2912e87a 7 * Libav is free software; you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
0da71265 11 *
2912e87a 12 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 18 * License along with Libav; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
0da71265 20 */
115329f1 21
0da71265 22/**
ba87f080 23 * @file
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24 * H.264 / AVC / MPEG4 part10 codec.
25 * @author Michael Niedermayer <michaelni@gmx.at>
26 */
27
737eb597 28#include "libavutil/imgutils.h"
40e5d31b 29#include "internal.h"
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30#include "dsputil.h"
31#include "avcodec.h"
32#include "mpegvideo.h"
26b4fe82 33#include "h264.h"
0da71265 34#include "h264data.h"
188d3c51 35#include "h264_mvpred.h"
0da71265 36#include "golomb.h"
199436b9 37#include "mathops.h"
626464fb 38#include "rectangle.h"
6a9c8594 39#include "thread.h"
369122dd 40#include "vdpau_internal.h"
cfa5a81e 41#include "libavutil/avassert.h"
0da71265 42
e5017ab8
LA
43#include "cabac.h"
44
2848ce84 45//#undef NDEBUG
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46#include <assert.h>
47
fcc0224e
OA
48static const uint8_t rem6[QP_MAX_NUM+1]={
490, 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,
acd8d10f
PI
50};
51
fcc0224e
OA
52static const uint8_t div6[QP_MAX_NUM+1]={
530, 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,
acd8d10f
PI
54};
55
0435fb16
BC
56static 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
903d58f6 63void ff_h264_write_back_intra_pred_mode(H264Context *h){
5b0fb524 64 int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy];
0da71265 65
662a5b23
MN
66 AV_COPY32(mode, h->intra4x4_pred_mode_cache + 4 + 8*4);
67 mode[4]= h->intra4x4_pred_mode_cache[7+8*3];
68 mode[5]= h->intra4x4_pred_mode_cache[7+8*2];
69 mode[6]= h->intra4x4_pred_mode_cache[7+8*1];
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70}
71
72/**
73 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
74 */
2bedc0e8
MN
75int ff_h264_check_intra4x4_pred_mode(H264Context *h){
76 MpegEncContext * const s = &h->s;
77 static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
78 static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
79 int i;
80
81 if(!(h->top_samples_available&0x8000)){
82 for(i=0; i<4; i++){
83 int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
84 if(status<0){
85 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);
86 return -1;
87 } else if(status){
88 h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
89 }
90 }
91 }
92
93 if((h->left_samples_available&0x8888)!=0x8888){
94 static const int mask[4]={0x8000,0x2000,0x80,0x20};
95 for(i=0; i<4; i++){
96 if(!(h->left_samples_available&mask[i])){
97 int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
98 if(status<0){
99 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);
100 return -1;
101 } else if(status){
102 h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
103 }
104 }
105 }
106 }
107
108 return 0;
109} //FIXME cleanup like ff_h264_check_intra_pred_mode
110
111/**
112 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
113 */
903d58f6 114int ff_h264_check_intra_pred_mode(H264Context *h, int mode){
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115 MpegEncContext * const s = &h->s;
116 static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
117 static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
115329f1 118
43ff0714 119 if(mode > 6U) {
5175b937 120 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);
7440fe83 121 return -1;
5175b937 122 }
115329f1 123
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MN
124 if(!(h->top_samples_available&0x8000)){
125 mode= top[ mode ];
126 if(mode<0){
9b879566 127 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);
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MN
128 return -1;
129 }
130 }
115329f1 131
d1d10e91 132 if((h->left_samples_available&0x8080) != 0x8080){
0da71265 133 mode= left[ mode ];
d1d10e91
MN
134 if(h->left_samples_available&0x8080){ //mad cow disease mode, aka MBAFF + constrained_intra_pred
135 mode= ALZHEIMER_DC_L0T_PRED8x8 + (!(h->left_samples_available&0x8000)) + 2*(mode == DC_128_PRED8x8);
136 }
0da71265 137 if(mode<0){
9b879566 138 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);
0da71265 139 return -1;
115329f1 140 }
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MN
141 }
142
143 return mode;
144}
145
1790a5e9 146const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){
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147 int i, si, di;
148 uint8_t *dst;
24456882 149 int bufidx;
0da71265 150
bb270c08 151// src[0]&0x80; //forbidden bit
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152 h->nal_ref_idc= src[0]>>5;
153 h->nal_unit_type= src[0]&0x1F;
154
155 src++; length--;
e08715d3 156
b250f9c6
AJ
157#if HAVE_FAST_UNALIGNED
158# if HAVE_FAST_64BIT
e08715d3
MN
159# define RS 7
160 for(i=0; i+1<length; i+=9){
19769ece 161 if(!((~AV_RN64A(src+i) & (AV_RN64A(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL))
e08715d3
MN
162# else
163# define RS 3
164 for(i=0; i+1<length; i+=5){
19769ece 165 if(!((~AV_RN32A(src+i) & (AV_RN32A(src+i) - 0x01000101U)) & 0x80008080U))
e08715d3
MN
166# endif
167 continue;
168 if(i>0 && !src[i]) i--;
169 while(src[i]) i++;
170#else
171# define RS 0
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172 for(i=0; i+1<length; i+=2){
173 if(src[i]) continue;
174 if(i>0 && src[i-1]==0) i--;
e08715d3 175#endif
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MN
176 if(i+2<length && src[i+1]==0 && src[i+2]<=3){
177 if(src[i+2]!=3){
178 /* startcode, so we must be past the end */
179 length=i;
180 }
181 break;
182 }
abb27cfb 183 i-= RS;
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184 }
185
186 if(i>=length-1){ //no escaped 0
187 *dst_length= length;
188 *consumed= length+1; //+1 for the header
115329f1 189 return src;
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190 }
191
24456882 192 bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data
238ef6da 193 av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE);
24456882 194 dst= h->rbsp_buffer[bufidx];
0da71265 195
ac658be5
FOL
196 if (dst == NULL){
197 return NULL;
198 }
199
3b66c4c5 200//printf("decoding esc\n");
593af7cd
MN
201 memcpy(dst, src, i);
202 si=di=i;
203 while(si+2<length){
0da71265 204 //remove escapes (very rare 1:2^22)
593af7cd
MN
205 if(src[si+2]>3){
206 dst[di++]= src[si++];
207 dst[di++]= src[si++];
208 }else if(src[si]==0 && src[si+1]==0){
0da71265
MN
209 if(src[si+2]==3){ //escape
210 dst[di++]= 0;
211 dst[di++]= 0;
212 si+=3;
c8470cc1 213 continue;
0da71265 214 }else //next start code
593af7cd 215 goto nsc;
0da71265
MN
216 }
217
218 dst[di++]= src[si++];
219 }
593af7cd
MN
220 while(si<length)
221 dst[di++]= src[si++];
222nsc:
0da71265 223
d4369630
AS
224 memset(dst+di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
225
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226 *dst_length= di;
227 *consumed= si + 1;//+1 for the header
90b5b51e 228//FIXME store exact number of bits in the getbitcontext (it is needed for decoding)
0da71265
MN
229 return dst;
230}
231
85297319
DEP
232/**
233 * Identify the exact end of the bitstream
234 * @return the length of the trailing, or 0 if damaged
235 */
236static int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
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MN
237 int v= *src;
238 int r;
239
a9c9a240 240 tprintf(h->s.avctx, "rbsp trailing %X\n", v);
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MN
241
242 for(r=1; r<9; r++){
243 if(v&1) return r;
244 v>>=1;
245 }
246 return 0;
247}
248
6a9c8594
AS
249static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n, int height,
250 int y_offset, int list){
251 int raw_my= h->mv_cache[list][ scan8[n] ][1];
252 int filter_height= (raw_my&3) ? 2 : 0;
253 int full_my= (raw_my>>2) + y_offset;
254 int top = full_my - filter_height, bottom = full_my + height + filter_height;
255
256 return FFMAX(abs(top), bottom);
257}
258
259static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n, int height,
260 int y_offset, int list0, int list1, int *nrefs){
261 MpegEncContext * const s = &h->s;
262 int my;
263
264 y_offset += 16*(s->mb_y >> MB_FIELD);
265
266 if(list0){
267 int ref_n = h->ref_cache[0][ scan8[n] ];
268 Picture *ref= &h->ref_list[0][ref_n];
269
270 // Error resilience puts the current picture in the ref list.
271 // Don't try to wait on these as it will cause a deadlock.
272 // Fields can wait on each other, though.
273 if(ref->thread_opaque != s->current_picture.thread_opaque ||
274 (ref->reference&3) != s->picture_structure) {
275 my = get_lowest_part_list_y(h, ref, n, height, y_offset, 0);
276 if (refs[0][ref_n] < 0) nrefs[0] += 1;
277 refs[0][ref_n] = FFMAX(refs[0][ref_n], my);
278 }
279 }
280
281 if(list1){
282 int ref_n = h->ref_cache[1][ scan8[n] ];
283 Picture *ref= &h->ref_list[1][ref_n];
284
285 if(ref->thread_opaque != s->current_picture.thread_opaque ||
286 (ref->reference&3) != s->picture_structure) {
287 my = get_lowest_part_list_y(h, ref, n, height, y_offset, 1);
288 if (refs[1][ref_n] < 0) nrefs[1] += 1;
289 refs[1][ref_n] = FFMAX(refs[1][ref_n], my);
290 }
291 }
292}
293
294/**
295 * Wait until all reference frames are available for MC operations.
296 *
297 * @param h the H264 context
298 */
299static void await_references(H264Context *h){
300 MpegEncContext * const s = &h->s;
301 const int mb_xy= h->mb_xy;
302 const int mb_type= s->current_picture.mb_type[mb_xy];
303 int refs[2][48];
304 int nrefs[2] = {0};
305 int ref, list;
306
307 memset(refs, -1, sizeof(refs));
308
309 if(IS_16X16(mb_type)){
310 get_lowest_part_y(h, refs, 0, 16, 0,
311 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
312 }else if(IS_16X8(mb_type)){
313 get_lowest_part_y(h, refs, 0, 8, 0,
314 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
315 get_lowest_part_y(h, refs, 8, 8, 8,
316 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
317 }else if(IS_8X16(mb_type)){
318 get_lowest_part_y(h, refs, 0, 16, 0,
319 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
320 get_lowest_part_y(h, refs, 4, 16, 0,
321 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
322 }else{
323 int i;
324
325 assert(IS_8X8(mb_type));
326
327 for(i=0; i<4; i++){
328 const int sub_mb_type= h->sub_mb_type[i];
329 const int n= 4*i;
330 int y_offset= (i&2)<<2;
331
332 if(IS_SUB_8X8(sub_mb_type)){
333 get_lowest_part_y(h, refs, n , 8, y_offset,
334 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
335 }else if(IS_SUB_8X4(sub_mb_type)){
336 get_lowest_part_y(h, refs, n , 4, y_offset,
337 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
338 get_lowest_part_y(h, refs, n+2, 4, y_offset+4,
339 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
340 }else if(IS_SUB_4X8(sub_mb_type)){
341 get_lowest_part_y(h, refs, n , 8, y_offset,
342 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
343 get_lowest_part_y(h, refs, n+1, 8, y_offset,
344 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
345 }else{
346 int j;
347 assert(IS_SUB_4X4(sub_mb_type));
348 for(j=0; j<4; j++){
349 int sub_y_offset= y_offset + 2*(j&2);
350 get_lowest_part_y(h, refs, n+j, 4, sub_y_offset,
351 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
352 }
353 }
354 }
355 }
356
357 for(list=h->list_count-1; list>=0; list--){
358 for(ref=0; ref<48 && nrefs[list]; ref++){
359 int row = refs[list][ref];
360 if(row >= 0){
361 Picture *ref_pic = &h->ref_list[list][ref];
362 int ref_field = ref_pic->reference - 1;
363 int ref_field_picture = ref_pic->field_picture;
364 int pic_height = 16*s->mb_height >> ref_field_picture;
365
366 row <<= MB_MBAFF;
367 nrefs[list]--;
368
369 if(!FIELD_PICTURE && ref_field_picture){ // frame referencing two fields
370 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1);
371 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0);
372 }else if(FIELD_PICTURE && !ref_field_picture){ // field referencing one field of a frame
373 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0);
374 }else if(FIELD_PICTURE){
375 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field);
376 }else{
377 ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0);
378 }
379 }
380 }
381 }
382}
383
66c6b5e2
RB
384#if 0
385/**
386 * DCT transforms the 16 dc values.
387 * @param qp quantization parameter ??? FIXME
388 */
389static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
390// const int qmul= dequant_coeff[qp][0];
391 int i;
392 int temp[16]; //FIXME check if this is a good idea
393 static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
394 static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
395
396 for(i=0; i<4; i++){
397 const int offset= y_offset[i];
398 const int z0= block[offset+stride*0] + block[offset+stride*4];
399 const int z1= block[offset+stride*0] - block[offset+stride*4];
400 const int z2= block[offset+stride*1] - block[offset+stride*5];
401 const int z3= block[offset+stride*1] + block[offset+stride*5];
402
403 temp[4*i+0]= z0+z3;
404 temp[4*i+1]= z1+z2;
405 temp[4*i+2]= z1-z2;
406 temp[4*i+3]= z0-z3;
407 }
408
409 for(i=0; i<4; i++){
410 const int offset= x_offset[i];
411 const int z0= temp[4*0+i] + temp[4*2+i];
412 const int z1= temp[4*0+i] - temp[4*2+i];
413 const int z2= temp[4*1+i] - temp[4*3+i];
414 const int z3= temp[4*1+i] + temp[4*3+i];
415
416 block[stride*0 +offset]= (z0 + z3)>>1;
417 block[stride*2 +offset]= (z1 + z2)>>1;
418 block[stride*8 +offset]= (z1 - z2)>>1;
419 block[stride*10+offset]= (z0 - z3)>>1;
420 }
421}
422#endif
423
424#undef xStride
425#undef stride
426
66c6b5e2
RB
427#if 0
428static void chroma_dc_dct_c(DCTELEM *block){
429 const int stride= 16*2;
430 const int xStride= 16;
431 int a,b,c,d,e;
432
433 a= block[stride*0 + xStride*0];
434 b= block[stride*0 + xStride*1];
435 c= block[stride*1 + xStride*0];
436 d= block[stride*1 + xStride*1];
437
438 e= a-b;
439 a= a+b;
440 b= c-d;
441 c= c+d;
442
443 block[stride*0 + xStride*0]= (a+c);
444 block[stride*0 + xStride*1]= (e+b);
445 block[stride*1 + xStride*0]= (a-c);
446 block[stride*1 + xStride*1]= (e-b);
447}
448#endif
449
0da71265
MN
450static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
451 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
452 int src_x_offset, int src_y_offset,
6e3ef511 453 qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op,
c9c49387 454 int pixel_shift, int chroma444){
0da71265
MN
455 MpegEncContext * const s = &h->s;
456 const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
5d18eaad 457 int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
0da71265 458 const int luma_xy= (mx&3) + ((my&3)<<2);
c9c49387
JGG
459 int offset = ((mx>>2) << pixel_shift) + (my>>2)*h->mb_linesize;
460 uint8_t * src_y = pic->data[0] + offset;
5d18eaad
LM
461 uint8_t * src_cb, * src_cr;
462 int extra_width= h->emu_edge_width;
463 int extra_height= h->emu_edge_height;
0da71265
MN
464 int emu=0;
465 const int full_mx= mx>>2;
466 const int full_my= my>>2;
fbd312fd 467 const int pic_width = 16*s->mb_width;
0d43dd8c 468 const int pic_height = 16*s->mb_height >> MB_FIELD;
115329f1 469
0da71265
MN
470 if(mx&7) extra_width -= 3;
471 if(my&7) extra_height -= 3;
115329f1
DB
472
473 if( full_mx < 0-extra_width
474 || full_my < 0-extra_height
475 || full_mx + 16/*FIXME*/ > pic_width + extra_width
fbd312fd 476 || full_my + 16/*FIXME*/ > pic_height + extra_height){
6e3ef511
OA
477 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);
478 src_y= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
0da71265
MN
479 emu=1;
480 }
115329f1 481
5d18eaad 482 qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
0da71265 483 if(!square){
5d18eaad 484 qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
0da71265 485 }
115329f1 486
c9c49387
JGG
487 if(chroma444){
488 src_cb = pic->data[1] + offset;
489 if(emu){
490 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize,
491 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
492 src_cb= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
493 }
494 qpix_op[luma_xy](dest_cb, src_cb, h->mb_linesize); //FIXME try variable height perhaps?
495 if(!square){
496 qpix_op[luma_xy](dest_cb + delta, src_cb + delta, h->mb_linesize);
497 }
498
499 src_cr = pic->data[2] + offset;
500 if(emu){
501 s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cr - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize,
502 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
503 src_cr= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
504 }
505 qpix_op[luma_xy](dest_cr, src_cr, h->mb_linesize); //FIXME try variable height perhaps?
506 if(!square){
507 qpix_op[luma_xy](dest_cr + delta, src_cr + delta, h->mb_linesize);
508 }
509 return;
510 }
511
49fb20cb 512 if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
115329f1 513
0d43dd8c 514 if(MB_FIELD){
5d18eaad 515 // chroma offset when predicting from a field of opposite parity
2143b118 516 my += 2 * ((s->mb_y & 1) - (pic->reference - 1));
5d18eaad
LM
517 emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
518 }
6e3ef511
OA
519 src_cb= pic->data[1] + ((mx>>3) << pixel_shift) + (my>>3)*h->mb_uvlinesize;
520 src_cr= pic->data[2] + ((mx>>3) << pixel_shift) + (my>>3)*h->mb_uvlinesize;
5d18eaad 521
0da71265 522 if(emu){
2e279598 523 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);
0da71265
MN
524 src_cb= s->edge_emu_buffer;
525 }
5d18eaad 526 chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
0da71265
MN
527
528 if(emu){
2e279598 529 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);
0da71265
MN
530 src_cr= s->edge_emu_buffer;
531 }
5d18eaad 532 chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
0da71265
MN
533}
534
9f2d1b4f 535static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
0da71265
MN
536 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
537 int x_offset, int y_offset,
538 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
539 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
c9c49387 540 int list0, int list1, int pixel_shift, int chroma444){
0da71265
MN
541 MpegEncContext * const s = &h->s;
542 qpel_mc_func *qpix_op= qpix_put;
543 h264_chroma_mc_func chroma_op= chroma_put;
115329f1 544
c9c49387
JGG
545 dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
546 if(chroma444){
547 dest_cb += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
548 dest_cr += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
549 }else{
550 dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
551 dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
552 }
0da71265 553 x_offset += 8*s->mb_x;
0d43dd8c 554 y_offset += 8*(s->mb_y >> MB_FIELD);
115329f1 555
0da71265 556 if(list0){
1924f3ce 557 Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
0da71265
MN
558 mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
559 dest_y, dest_cb, dest_cr, x_offset, y_offset,
c9c49387 560 qpix_op, chroma_op, pixel_shift, chroma444);
0da71265
MN
561
562 qpix_op= qpix_avg;
563 chroma_op= chroma_avg;
564 }
565
566 if(list1){
1924f3ce 567 Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
0da71265
MN
568 mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
569 dest_y, dest_cb, dest_cr, x_offset, y_offset,
c9c49387 570 qpix_op, chroma_op, pixel_shift, chroma444);
0da71265
MN
571 }
572}
573
9f2d1b4f
LM
574static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
575 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
576 int x_offset, int y_offset,
577 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
578 h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
579 h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
c9c49387 580 int list0, int list1, int pixel_shift, int chroma444){
9f2d1b4f
LM
581 MpegEncContext * const s = &h->s;
582
c9c49387
JGG
583 dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
584 if(chroma444){
585 chroma_weight_avg = luma_weight_avg;
586 chroma_weight_op = luma_weight_op;
587 dest_cb += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
588 dest_cr += (2*x_offset << pixel_shift) + 2*y_offset*h->mb_linesize;
589 }else{
590 dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
591 dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
592 }
9f2d1b4f 593 x_offset += 8*s->mb_x;
0d43dd8c 594 y_offset += 8*(s->mb_y >> MB_FIELD);
115329f1 595
9f2d1b4f
LM
596 if(list0 && list1){
597 /* don't optimize for luma-only case, since B-frames usually
598 * use implicit weights => chroma too. */
599 uint8_t *tmp_cb = s->obmc_scratchpad;
c9c49387
JGG
600 uint8_t *tmp_cr = s->obmc_scratchpad + (16 << pixel_shift);
601 uint8_t *tmp_y = s->obmc_scratchpad + 16*h->mb_uvlinesize;
9f2d1b4f
LM
602 int refn0 = h->ref_cache[0][ scan8[n] ];
603 int refn1 = h->ref_cache[1][ scan8[n] ];
604
605 mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
606 dest_y, dest_cb, dest_cr,
c9c49387 607 x_offset, y_offset, qpix_put, chroma_put, pixel_shift, chroma444);
9f2d1b4f
LM
608 mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
609 tmp_y, tmp_cb, tmp_cr,
c9c49387 610 x_offset, y_offset, qpix_put, chroma_put, pixel_shift, chroma444);
9f2d1b4f
LM
611
612 if(h->use_weight == 2){
1052b76f 613 int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1];
9f2d1b4f 614 int weight1 = 64 - weight0;
5d18eaad
LM
615 luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0);
616 chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
617 chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
9f2d1b4f 618 }else{
5d18eaad 619 luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
3d9137c8
MN
620 h->luma_weight[refn0][0][0] , h->luma_weight[refn1][1][0],
621 h->luma_weight[refn0][0][1] + h->luma_weight[refn1][1][1]);
5d18eaad 622 chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
3d9137c8
MN
623 h->chroma_weight[refn0][0][0][0] , h->chroma_weight[refn1][1][0][0],
624 h->chroma_weight[refn0][0][0][1] + h->chroma_weight[refn1][1][0][1]);
5d18eaad 625 chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
3d9137c8
MN
626 h->chroma_weight[refn0][0][1][0] , h->chroma_weight[refn1][1][1][0],
627 h->chroma_weight[refn0][0][1][1] + h->chroma_weight[refn1][1][1][1]);
9f2d1b4f
LM
628 }
629 }else{
630 int list = list1 ? 1 : 0;
631 int refn = h->ref_cache[list][ scan8[n] ];
632 Picture *ref= &h->ref_list[list][refn];
633 mc_dir_part(h, ref, n, square, chroma_height, delta, list,
634 dest_y, dest_cb, dest_cr, x_offset, y_offset,
c9c49387 635 qpix_put, chroma_put, pixel_shift, chroma444);
9f2d1b4f 636
5d18eaad 637 luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
3d9137c8 638 h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]);
9f2d1b4f 639 if(h->use_weight_chroma){
5d18eaad 640 chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
3d9137c8 641 h->chroma_weight[refn][list][0][0], h->chroma_weight[refn][list][0][1]);
5d18eaad 642 chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
3d9137c8 643 h->chroma_weight[refn][list][1][0], h->chroma_weight[refn][list][1][1]);
9f2d1b4f
LM
644 }
645 }
646}
647
648static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
649 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
650 int x_offset, int y_offset,
651 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
652 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
115329f1 653 h264_weight_func *weight_op, h264_biweight_func *weight_avg,
c9c49387 654 int list0, int list1, int pixel_shift, int chroma444){
9f2d1b4f 655 if((h->use_weight==2 && list0 && list1
1052b76f 656 && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32))
9f2d1b4f
LM
657 || h->use_weight==1)
658 mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
659 x_offset, y_offset, qpix_put, chroma_put,
6e3ef511 660 weight_op[0], weight_op[3], weight_avg[0],
c9c49387 661 weight_avg[3], list0, list1, pixel_shift, chroma444);
9f2d1b4f
LM
662 else
663 mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
6e3ef511 664 x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
c9c49387 665 chroma_avg, list0, list1, pixel_shift, chroma444);
9f2d1b4f
LM
666}
667
c9c49387 668static inline void prefetch_motion(H264Context *h, int list, int pixel_shift, int chroma444){
513fbd8e
LM
669 /* fetch pixels for estimated mv 4 macroblocks ahead
670 * optimized for 64byte cache lines */
671 MpegEncContext * const s = &h->s;
672 const int refn = h->ref_cache[list][scan8[0]];
673 if(refn >= 0){
674 const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
675 const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
676 uint8_t **src= h->ref_list[list][refn].data;
6e3ef511 677 int off= (mx << pixel_shift) + (my + (s->mb_x&3)*4)*h->mb_linesize + (64 << pixel_shift);
513fbd8e 678 s->dsp.prefetch(src[0]+off, s->linesize, 4);
c9c49387
JGG
679 if(chroma444){
680 s->dsp.prefetch(src[1]+off, s->linesize, 4);
681 s->dsp.prefetch(src[2]+off, s->linesize, 4);
682 }else{
683 off= ((mx>>1) << pixel_shift) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + (64 << pixel_shift);
684 s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
685 }
513fbd8e
LM
686 }
687}
688
6e3ef511 689static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
0da71265 690 qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
9f2d1b4f 691 qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
6e3ef511 692 h264_weight_func *weight_op, h264_biweight_func *weight_avg,
c9c49387 693 int pixel_shift, int chroma444){
0da71265 694 MpegEncContext * const s = &h->s;
64514ee8 695 const int mb_xy= h->mb_xy;
0da71265 696 const int mb_type= s->current_picture.mb_type[mb_xy];
115329f1 697
0da71265 698 assert(IS_INTER(mb_type));
115329f1 699
6a9c8594
AS
700 if(HAVE_PTHREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
701 await_references(h);
c9c49387 702 prefetch_motion(h, 0, pixel_shift, chroma444);
513fbd8e 703
0da71265
MN
704 if(IS_16X16(mb_type)){
705 mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
706 qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
7231ccf4 707 weight_op, weight_avg,
6e3ef511 708 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
c9c49387 709 pixel_shift, chroma444);
0da71265 710 }else if(IS_16X8(mb_type)){
6e3ef511 711 mc_part(h, 0, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,
0da71265 712 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
9f2d1b4f 713 &weight_op[1], &weight_avg[1],
6e3ef511 714 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
c9c49387 715 pixel_shift, chroma444);
6e3ef511 716 mc_part(h, 8, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,
0da71265 717 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
9f2d1b4f 718 &weight_op[1], &weight_avg[1],
6e3ef511 719 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
c9c49387 720 pixel_shift, chroma444);
0da71265 721 }else if(IS_8X16(mb_type)){
5d18eaad 722 mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
0da71265 723 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 724 &weight_op[2], &weight_avg[2],
6e3ef511 725 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
c9c49387 726 pixel_shift, chroma444);
5d18eaad 727 mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
0da71265 728 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 729 &weight_op[2], &weight_avg[2],
6e3ef511 730 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
c9c49387 731 pixel_shift, chroma444);
0da71265
MN
732 }else{
733 int i;
115329f1 734
0da71265
MN
735 assert(IS_8X8(mb_type));
736
737 for(i=0; i<4; i++){
738 const int sub_mb_type= h->sub_mb_type[i];
739 const int n= 4*i;
740 int x_offset= (i&1)<<2;
741 int y_offset= (i&2)<<1;
742
743 if(IS_SUB_8X8(sub_mb_type)){
744 mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
745 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 746 &weight_op[3], &weight_avg[3],
6e3ef511 747 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
c9c49387 748 pixel_shift, chroma444);
0da71265 749 }else if(IS_SUB_8X4(sub_mb_type)){
6e3ef511 750 mc_part(h, n , 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset,
0da71265 751 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
9f2d1b4f 752 &weight_op[4], &weight_avg[4],
6e3ef511 753 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
c9c49387 754 pixel_shift, chroma444);
6e3ef511 755 mc_part(h, n+2, 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
0da71265 756 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
9f2d1b4f 757 &weight_op[4], &weight_avg[4],
6e3ef511 758 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
c9c49387 759 pixel_shift, chroma444);
0da71265 760 }else if(IS_SUB_4X8(sub_mb_type)){
5d18eaad 761 mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
0da71265 762 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 763 &weight_op[5], &weight_avg[5],
6e3ef511 764 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
c9c49387 765 pixel_shift, chroma444);
5d18eaad 766 mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
0da71265 767 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 768 &weight_op[5], &weight_avg[5],
6e3ef511 769 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
c9c49387 770 pixel_shift, chroma444);
0da71265
MN
771 }else{
772 int j;
773 assert(IS_SUB_4X4(sub_mb_type));
774 for(j=0; j<4; j++){
775 int sub_x_offset= x_offset + 2*(j&1);
776 int sub_y_offset= y_offset + (j&2);
777 mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
778 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 779 &weight_op[6], &weight_avg[6],
6e3ef511 780 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
c9c49387 781 pixel_shift, chroma444);
0da71265
MN
782 }
783 }
784 }
785 }
513fbd8e 786
c9c49387 787 prefetch_motion(h, 1, pixel_shift, chroma444);
0da71265
MN
788}
789
6e3ef511
OA
790#define hl_motion_fn(sh, bits) \
791static av_always_inline void hl_motion_ ## bits(H264Context *h, \
792 uint8_t *dest_y, \
793 uint8_t *dest_cb, uint8_t *dest_cr, \
794 qpel_mc_func (*qpix_put)[16], \
795 h264_chroma_mc_func (*chroma_put), \
796 qpel_mc_func (*qpix_avg)[16], \
797 h264_chroma_mc_func (*chroma_avg), \
798 h264_weight_func *weight_op, \
c9c49387
JGG
799 h264_biweight_func *weight_avg, \
800 int chroma444) \
6e3ef511
OA
801{ \
802 hl_motion(h, dest_y, dest_cb, dest_cr, qpix_put, chroma_put, \
c9c49387 803 qpix_avg, chroma_avg, weight_op, weight_avg, sh, chroma444); \
6e3ef511
OA
804}
805hl_motion_fn(0, 8);
806hl_motion_fn(1, 16);
0da71265 807
91078926 808static void free_tables(H264Context *h, int free_rbsp){
7978debd 809 int i;
afebe2f7 810 H264Context *hx;
6a9c8594 811
0da71265 812 av_freep(&h->intra4x4_pred_mode);
e5017ab8
LA
813 av_freep(&h->chroma_pred_mode_table);
814 av_freep(&h->cbp_table);
9e528114
LA
815 av_freep(&h->mvd_table[0]);
816 av_freep(&h->mvd_table[1]);
5ad984c9 817 av_freep(&h->direct_table);
0da71265
MN
818 av_freep(&h->non_zero_count);
819 av_freep(&h->slice_table_base);
820 h->slice_table= NULL;
c988f975 821 av_freep(&h->list_counts);
e5017ab8 822
0da71265 823 av_freep(&h->mb2b_xy);
d43c1922 824 av_freep(&h->mb2br_xy);
9f2d1b4f 825
6752dd5a 826 for(i = 0; i < MAX_THREADS; i++) {
afebe2f7
827 hx = h->thread_context[i];
828 if(!hx) continue;
829 av_freep(&hx->top_borders[1]);
830 av_freep(&hx->top_borders[0]);
831 av_freep(&hx->s.obmc_scratchpad);
91078926 832 if (free_rbsp){
fcb7e535
RB
833 av_freep(&hx->rbsp_buffer[1]);
834 av_freep(&hx->rbsp_buffer[0]);
835 hx->rbsp_buffer_size[0] = 0;
836 hx->rbsp_buffer_size[1] = 0;
91078926 837 }
d2d5e067 838 if (i) av_freep(&h->thread_context[i]);
afebe2f7 839 }
0da71265
MN
840}
841
239ea04c 842static void init_dequant8_coeff_table(H264Context *h){
c9c49387 843 int i,j,q,x;
fcc0224e 844 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
239ea04c 845
c9c49387
JGG
846 for(i=0; i<6; i++ ){
847 h->dequant8_coeff[i] = h->dequant8_buffer[i];
848 for(j=0; j<i; j++){
849 if(!memcmp(h->pps.scaling_matrix8[j], h->pps.scaling_matrix8[i], 64*sizeof(uint8_t))){
850 h->dequant8_coeff[i] = h->dequant8_buffer[j];
851 break;
852 }
239ea04c 853 }
c9c49387
JGG
854 if(j<i)
855 continue;
239ea04c 856
fcc0224e 857 for(q=0; q<max_qp+1; q++){
d9ec210b
DP
858 int shift = div6[q];
859 int idx = rem6[q];
239ea04c 860 for(x=0; x<64; x++)
ca32f7f2 861 h->dequant8_coeff[i][q][(x>>3)|((x&7)<<3)] =
548a1c8a
LM
862 ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
863 h->pps.scaling_matrix8[i][x]) << shift;
239ea04c
LM
864 }
865 }
866}
867
868static void init_dequant4_coeff_table(H264Context *h){
869 int i,j,q,x;
fcc0224e 870 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
239ea04c
LM
871 for(i=0; i<6; i++ ){
872 h->dequant4_coeff[i] = h->dequant4_buffer[i];
873 for(j=0; j<i; j++){
874 if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
875 h->dequant4_coeff[i] = h->dequant4_buffer[j];
876 break;
877 }
878 }
879 if(j<i)
880 continue;
881
fcc0224e 882 for(q=0; q<max_qp+1; q++){
d9ec210b
DP
883 int shift = div6[q] + 2;
884 int idx = rem6[q];
239ea04c 885 for(x=0; x<16; x++)
ca32f7f2 886 h->dequant4_coeff[i][q][(x>>2)|((x<<2)&0xF)] =
ab2e3e2c 887 ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
239ea04c
LM
888 h->pps.scaling_matrix4[i][x]) << shift;
889 }
890 }
891}
892
893static void init_dequant_tables(H264Context *h){
894 int i,x;
895 init_dequant4_coeff_table(h);
896 if(h->pps.transform_8x8_mode)
897 init_dequant8_coeff_table(h);
898 if(h->sps.transform_bypass){
899 for(i=0; i<6; i++)
900 for(x=0; x<16; x++)
901 h->dequant4_coeff[i][0][x] = 1<<6;
902 if(h->pps.transform_8x8_mode)
c9c49387 903 for(i=0; i<6; i++)
239ea04c
LM
904 for(x=0; x<64; x++)
905 h->dequant8_coeff[i][0][x] = 1<<6;
906 }
907}
908
909
903d58f6 910int ff_h264_alloc_tables(H264Context *h){
0da71265 911 MpegEncContext * const s = &h->s;
7bc9090a 912 const int big_mb_num= s->mb_stride * (s->mb_height+1);
145061a1 913 const int row_mb_num= 2*s->mb_stride*s->avctx->thread_count;
239ea04c 914 int x,y;
0da71265 915
145061a1 916 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->intra4x4_pred_mode, row_mb_num * 8 * sizeof(uint8_t), fail)
e5017ab8 917
c9c49387 918 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->non_zero_count , big_mb_num * 48 * sizeof(uint8_t), fail)
d31dbec3
RP
919 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base), fail)
920 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->cbp_table, big_mb_num * sizeof(uint16_t), fail)
0da71265 921
d31dbec3 922 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t), fail)
145061a1
MN
923 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[0], 16*row_mb_num * sizeof(uint8_t), fail);
924 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[1], 16*row_mb_num * sizeof(uint8_t), fail);
36b54927 925 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->direct_table, 4*big_mb_num * sizeof(uint8_t) , fail);
c988f975 926 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->list_counts, big_mb_num * sizeof(uint8_t), fail)
e5017ab8 927
b735aeea 928 memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base));
5d18eaad 929 h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
0da71265 930
d31dbec3 931 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b_xy , big_mb_num * sizeof(uint32_t), fail);
d43c1922 932 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2br_xy , big_mb_num * sizeof(uint32_t), fail);
0da71265
MN
933 for(y=0; y<s->mb_height; y++){
934 for(x=0; x<s->mb_width; x++){
7bc9090a 935 const int mb_xy= x + y*s->mb_stride;
0da71265 936 const int b_xy = 4*x + 4*y*h->b_stride;
115329f1 937
0da71265 938 h->mb2b_xy [mb_xy]= b_xy;
e1c88a21 939 h->mb2br_xy[mb_xy]= 8*(FMO ? mb_xy : (mb_xy % (2*s->mb_stride)));
0da71265
MN
940 }
941 }
9f2d1b4f 942
9c6221ae
GV
943 s->obmc_scratchpad = NULL;
944
56edbd81
LM
945 if(!h->dequant4_coeff[0])
946 init_dequant_tables(h);
947
0da71265
MN
948 return 0;
949fail:
91078926 950 free_tables(h, 1);
0da71265
MN
951 return -1;
952}
953
afebe2f7
954/**
955 * Mimic alloc_tables(), but for every context thread.
956 */
145061a1
MN
957static void clone_tables(H264Context *dst, H264Context *src, int i){
958 MpegEncContext * const s = &src->s;
959 dst->intra4x4_pred_mode = src->intra4x4_pred_mode + i*8*2*s->mb_stride;
afebe2f7
960 dst->non_zero_count = src->non_zero_count;
961 dst->slice_table = src->slice_table;
962 dst->cbp_table = src->cbp_table;
963 dst->mb2b_xy = src->mb2b_xy;
d43c1922 964 dst->mb2br_xy = src->mb2br_xy;
afebe2f7 965 dst->chroma_pred_mode_table = src->chroma_pred_mode_table;
145061a1
MN
966 dst->mvd_table[0] = src->mvd_table[0] + i*8*2*s->mb_stride;
967 dst->mvd_table[1] = src->mvd_table[1] + i*8*2*s->mb_stride;
afebe2f7 968 dst->direct_table = src->direct_table;
fb823b77 969 dst->list_counts = src->list_counts;
afebe2f7 970
afebe2f7 971 dst->s.obmc_scratchpad = NULL;
19a0729b 972 ff_h264_pred_init(&dst->hpc, src->s.codec_id, src->sps.bit_depth_luma);
afebe2f7
973}
974
975/**
976 * Init context
977 * Allocate buffers which are not shared amongst multiple threads.
978 */
979static int context_init(H264Context *h){
c9c49387
JGG
980 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[0], h->s.mb_width * 16*3 * sizeof(uint8_t)*2, fail)
981 FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[1], h->s.mb_width * 16*3 * sizeof(uint8_t)*2, fail)
afebe2f7 982
145061a1
MN
983 h->ref_cache[0][scan8[5 ]+1] = h->ref_cache[0][scan8[7 ]+1] = h->ref_cache[0][scan8[13]+1] =
984 h->ref_cache[1][scan8[5 ]+1] = h->ref_cache[1][scan8[7 ]+1] = h->ref_cache[1][scan8[13]+1] = PART_NOT_AVAILABLE;
985
afebe2f7
986 return 0;
987fail:
988 return -1; // free_tables will clean up for us
989}
990
9855b2e3
MN
991static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size);
992
98a6fff9 993static av_cold void common_init(H264Context *h){
0da71265 994 MpegEncContext * const s = &h->s;
0da71265
MN
995
996 s->width = s->avctx->width;
997 s->height = s->avctx->height;
998 s->codec_id= s->avctx->codec->id;
115329f1 999
19a0729b
OA
1000 ff_h264dsp_init(&h->h264dsp, 8);
1001 ff_h264_pred_init(&h->hpc, s->codec_id, 8);
0da71265 1002
239ea04c 1003 h->dequant_coeff_pps= -1;
9a41c2c7 1004 s->unrestricted_mv=1;
0da71265 1005 s->decode=1; //FIXME
56edbd81 1006
a5805aa9
MN
1007 dsputil_init(&s->dsp, s->avctx); // needed so that idct permutation is known early
1008
56edbd81
LM
1009 memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
1010 memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
0da71265
MN
1011}
1012
05e95319
HC
1013int ff_h264_decode_extradata(H264Context *h)
1014{
1015 AVCodecContext *avctx = h->s.avctx;
9855b2e3 1016
05e95319 1017 if(*(char *)avctx->extradata == 1){
9855b2e3
MN
1018 int i, cnt, nalsize;
1019 unsigned char *p = avctx->extradata;
1020
1021 h->is_avc = 1;
1022
1023 if(avctx->extradata_size < 7) {
1024 av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
1025 return -1;
1026 }
1027 /* sps and pps in the avcC always have length coded with 2 bytes,
1028 so put a fake nal_length_size = 2 while parsing them */
1029 h->nal_length_size = 2;
1030 // Decode sps from avcC
1031 cnt = *(p+5) & 0x1f; // Number of sps
1032 p += 6;
1033 for (i = 0; i < cnt; i++) {
1034 nalsize = AV_RB16(p) + 2;
1035 if(decode_nal_units(h, p, nalsize) < 0) {
1036 av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
1037 return -1;
1038 }
1039 p += nalsize;
1040 }
1041 // Decode pps from avcC
1042 cnt = *(p++); // Number of pps
1043 for (i = 0; i < cnt; i++) {
1044 nalsize = AV_RB16(p) + 2;
108f318d 1045 if (decode_nal_units(h, p, nalsize) < 0) {
9855b2e3
MN
1046 av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
1047 return -1;
1048 }
1049 p += nalsize;
1050 }
1051 // Now store right nal length size, that will be use to parse all other nals
1052 h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
1053 } else {
1054 h->is_avc = 0;
05e95319 1055 if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0)
9855b2e3
MN
1056 return -1;
1057 }
05e95319
HC
1058 return 0;
1059}
1060
1061av_cold int ff_h264_decode_init(AVCodecContext *avctx){
1062 H264Context *h= avctx->priv_data;
1063 MpegEncContext * const s = &h->s;
1064
1065 MPV_decode_defaults(s);
1066
1067 s->avctx = avctx;
1068 common_init(h);
1069
1070 s->out_format = FMT_H264;
1071 s->workaround_bugs= avctx->workaround_bugs;
1072
1073 // set defaults
1074// s->decode_mb= ff_h263_decode_mb;
1075 s->quarter_sample = 1;
1076 if(!avctx->has_b_frames)
1077 s->low_delay= 1;
1078
1079 avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
1080
1081 ff_h264_decode_init_vlc();
1082
6e3ef511 1083 h->pixel_shift = 0;
19a0729b 1084 h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8;
6e3ef511 1085
05e95319 1086 h->thread_context[0] = h;
6a9c8594 1087 h->outputed_poc = h->next_outputed_poc = INT_MIN;
05e95319
HC
1088 h->prev_poc_msb= 1<<16;
1089 h->x264_build = -1;
1090 ff_h264_reset_sei(h);
1091 if(avctx->codec_id == CODEC_ID_H264){
1092 if(avctx->ticks_per_frame == 1){
1093 s->avctx->time_base.den *=2;
1094 }
1095 avctx->ticks_per_frame = 2;
1096 }
1097
1098 if(avctx->extradata_size > 0 && avctx->extradata &&
1099 ff_h264_decode_extradata(h))
1100 return -1;
1101
db8cb47d
MN
1102 if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){
1103 s->avctx->has_b_frames = h->sps.num_reorder_frames;
1104 s->low_delay = 0;
1105 }
9855b2e3 1106
0da71265
MN
1107 return 0;
1108}
1109
6a9c8594
AS
1110#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b)+(size))))
1111static void copy_picture_range(Picture **to, Picture **from, int count, MpegEncContext *new_base, MpegEncContext *old_base)
1112{
1113 int i;
1114
1115 for (i=0; i<count; i++){
1116 assert((IN_RANGE(from[i], old_base, sizeof(*old_base)) ||
1117 IN_RANGE(from[i], old_base->picture, sizeof(Picture) * old_base->picture_count) ||
1118 !from[i]));
1119 to[i] = REBASE_PICTURE(from[i], new_base, old_base);
1120 }
1121}
1122
1123static void copy_parameter_set(void **to, void **from, int count, int size)
1124{
1125 int i;
1126
1127 for (i=0; i<count; i++){
1128 if (to[i] && !from[i]) av_freep(&to[i]);
1129 else if (from[i] && !to[i]) to[i] = av_malloc(size);
1130
1131 if (from[i]) memcpy(to[i], from[i], size);
1132 }
1133}
1134
1135static int decode_init_thread_copy(AVCodecContext *avctx){
1136 H264Context *h= avctx->priv_data;
1137
1138 if (!avctx->is_copy) return 0;
1139 memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
1140 memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
1141
1142 return 0;
1143}
1144
1145#define copy_fields(to, from, start_field, end_field) memcpy(&to->start_field, &from->start_field, (char*)&to->end_field - (char*)&to->start_field)
1146static int decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src){
1147 H264Context *h= dst->priv_data, *h1= src->priv_data;
1148 MpegEncContext * const s = &h->s, * const s1 = &h1->s;
1149 int inited = s->context_initialized, err;
1150 int i;
1151
1152 if(dst == src || !s1->context_initialized) return 0;
1153
1154 err = ff_mpeg_update_thread_context(dst, src);
1155 if(err) return err;
1156
1157 //FIXME handle width/height changing
1158 if(!inited){
1159 for(i = 0; i < MAX_SPS_COUNT; i++)
1160 av_freep(h->sps_buffers + i);
1161
1162 for(i = 0; i < MAX_PPS_COUNT; i++)
1163 av_freep(h->pps_buffers + i);
1164
1165 memcpy(&h->s + 1, &h1->s + 1, sizeof(H264Context) - sizeof(MpegEncContext)); //copy all fields after MpegEnc
1166 memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
1167 memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
1168 ff_h264_alloc_tables(h);
1169 context_init(h);
1170
1171 for(i=0; i<2; i++){
1172 h->rbsp_buffer[i] = NULL;
1173 h->rbsp_buffer_size[i] = 0;
1174 }
1175
1176 h->thread_context[0] = h;
1177
1178 // frame_start may not be called for the next thread (if it's decoding a bottom field)
1179 // so this has to be allocated here
c9c49387 1180 h->s.obmc_scratchpad = av_malloc(16*6*s->linesize);
6a9c8594
AS
1181
1182 s->dsp.clear_blocks(h->mb);
c9c49387 1183 s->dsp.clear_blocks(h->mb+(24*16<<h->pixel_shift));
6a9c8594
AS
1184 }
1185
1186 //extradata/NAL handling
1187 h->is_avc = h1->is_avc;
1188
1189 //SPS/PPS
1190 copy_parameter_set((void**)h->sps_buffers, (void**)h1->sps_buffers, MAX_SPS_COUNT, sizeof(SPS));
1191 h->sps = h1->sps;
1192 copy_parameter_set((void**)h->pps_buffers, (void**)h1->pps_buffers, MAX_PPS_COUNT, sizeof(PPS));
1193 h->pps = h1->pps;
1194
1195 //Dequantization matrices
1196 //FIXME these are big - can they be only copied when PPS changes?
1197 copy_fields(h, h1, dequant4_buffer, dequant4_coeff);
1198
1199 for(i=0; i<6; i++)
1200 h->dequant4_coeff[i] = h->dequant4_buffer[0] + (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]);
1201
c9c49387 1202 for(i=0; i<6; i++)
6a9c8594
AS
1203 h->dequant8_coeff[i] = h->dequant8_buffer[0] + (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]);
1204
1205 h->dequant_coeff_pps = h1->dequant_coeff_pps;
1206
1207 //POC timing
1208 copy_fields(h, h1, poc_lsb, redundant_pic_count);
1209
1210 //reference lists
1211 copy_fields(h, h1, ref_count, list_count);
1212 copy_fields(h, h1, ref_list, intra_gb);
1213 copy_fields(h, h1, short_ref, cabac_init_idc);
1214
1215 copy_picture_range(h->short_ref, h1->short_ref, 32, s, s1);
1216 copy_picture_range(h->long_ref, h1->long_ref, 32, s, s1);
1217 copy_picture_range(h->delayed_pic, h1->delayed_pic, MAX_DELAYED_PIC_COUNT+2, s, s1);
1218
1219 h->last_slice_type = h1->last_slice_type;
1220
1221 if(!s->current_picture_ptr) return 0;
1222
1223 if(!s->dropable) {
1224 ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
1225 h->prev_poc_msb = h->poc_msb;
1226 h->prev_poc_lsb = h->poc_lsb;
1227 }
1228 h->prev_frame_num_offset= h->frame_num_offset;
1229 h->prev_frame_num = h->frame_num;
1230 h->outputed_poc = h->next_outputed_poc;
1231
1232 return 0;
1233}
1234
903d58f6 1235int ff_h264_frame_start(H264Context *h){
0da71265
MN
1236 MpegEncContext * const s = &h->s;
1237 int i;
6e3ef511 1238 const int pixel_shift = h->pixel_shift;
6a9c8594 1239 int thread_count = (s->avctx->active_thread_type & FF_THREAD_SLICE) ? s->avctx->thread_count : 1;
0da71265 1240
af8aa846
MN
1241 if(MPV_frame_start(s, s->avctx) < 0)
1242 return -1;
0da71265 1243 ff_er_frame_start(s);
3a22d7fa
JD
1244 /*
1245 * MPV_frame_start uses pict_type to derive key_frame.
1246 * This is incorrect for H.264; IDR markings must be used.
1412060e 1247 * Zero here; IDR markings per slice in frame or fields are ORed in later.
3a22d7fa
JD
1248 * See decode_nal_units().
1249 */
1250 s->current_picture_ptr->key_frame= 0;
c173a088 1251 s->current_picture_ptr->mmco_reset= 0;
0da71265
MN
1252
1253 assert(s->linesize && s->uvlinesize);
1254
1255 for(i=0; i<16; i++){
6e3ef511 1256 h->block_offset[i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
c9c49387 1257 h->block_offset[48+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
0da71265 1258 }
c9c49387 1259 for(i=0; i<16; i++){
0da71265 1260 h->block_offset[16+i]=
c9c49387
JGG
1261 h->block_offset[32+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
1262 h->block_offset[48+16+i]=
1263 h->block_offset[48+32+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
0da71265
MN
1264 }
1265
934b0821
LM
1266 /* can't be in alloc_tables because linesize isn't known there.
1267 * FIXME: redo bipred weight to not require extra buffer? */
6a9c8594 1268 for(i = 0; i < thread_count; i++)
0f016023 1269 if(h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
c9c49387 1270 h->thread_context[i]->s.obmc_scratchpad = av_malloc(16*6*s->linesize);
5d18eaad 1271
2ce1c2e0 1272 /* some macroblocks can be accessed before they're available in case of lost slices, mbaff or threading*/
5820b90d 1273 memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table));
934b0821 1274
0da71265 1275// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
28bb9eb2 1276
1412060e 1277 // We mark the current picture as non-reference after allocating it, so
28bb9eb2
MN
1278 // that if we break out due to an error it can be released automatically
1279 // in the next MPV_frame_start().
1280 // SVQ3 as well as most other codecs have only last/next/current and thus
1281 // get released even with set reference, besides SVQ3 and others do not
1282 // mark frames as reference later "naturally".
1283 if(s->codec_id != CODEC_ID_SVQ3)
1284 s->current_picture_ptr->reference= 0;
357282c6
MN
1285
1286 s->current_picture_ptr->field_poc[0]=
1287 s->current_picture_ptr->field_poc[1]= INT_MAX;
6a9c8594
AS
1288
1289 h->next_output_pic = NULL;
1290
5118c6c7 1291 assert(s->current_picture_ptr->long_ref==0);
357282c6 1292
af8aa846 1293 return 0;
0da71265
MN
1294}
1295
6a9c8594
AS
1296/**
1297 * Run setup operations that must be run after slice header decoding.
1298 * This includes finding the next displayed frame.
1299 *
1300 * @param h h264 master context
1301 * @param setup_finished enough NALs have been read that we can call
1302 * ff_thread_finish_setup()
1303 */
1304static void decode_postinit(H264Context *h, int setup_finished){
1305 MpegEncContext * const s = &h->s;
1306 Picture *out = s->current_picture_ptr;
1307 Picture *cur = s->current_picture_ptr;
1308 int i, pics, out_of_order, out_idx;
1309
1310 s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
1311 s->current_picture_ptr->pict_type= s->pict_type;
1312
1313 if (h->next_output_pic) return;
1314
1315 if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) {
1316 //FIXME: if we have two PAFF fields in one packet, we can't start the next thread here.
1317 //If we have one field per packet, we can. The check in decode_nal_units() is not good enough
1318 //to find this yet, so we assume the worst for now.
1319 //if (setup_finished)
1320 // ff_thread_finish_setup(s->avctx);
1321 return;
1322 }
1323
1324 cur->interlaced_frame = 0;
1325 cur->repeat_pict = 0;
1326
1327 /* Signal interlacing information externally. */
1328 /* Prioritize picture timing SEI information over used decoding process if it exists. */
1329
1330 if(h->sps.pic_struct_present_flag){
1331 switch (h->sei_pic_struct)
1332 {
1333 case SEI_PIC_STRUCT_FRAME:
1334 break;
1335 case SEI_PIC_STRUCT_TOP_FIELD:
1336 case SEI_PIC_STRUCT_BOTTOM_FIELD:
1337 cur->interlaced_frame = 1;
1338 break;
1339 case SEI_PIC_STRUCT_TOP_BOTTOM:
1340 case SEI_PIC_STRUCT_BOTTOM_TOP:
1341 if (FIELD_OR_MBAFF_PICTURE)
1342 cur->interlaced_frame = 1;
1343 else
1344 // try to flag soft telecine progressive
1345 cur->interlaced_frame = h->prev_interlaced_frame;
1346 break;
1347 case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
1348 case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
1349 // Signal the possibility of telecined film externally (pic_struct 5,6)
1350 // From these hints, let the applications decide if they apply deinterlacing.
1351 cur->repeat_pict = 1;
1352 break;
1353 case SEI_PIC_STRUCT_FRAME_DOUBLING:
1354 // Force progressive here, as doubling interlaced frame is a bad idea.
1355 cur->repeat_pict = 2;
1356 break;
1357 case SEI_PIC_STRUCT_FRAME_TRIPLING:
1358 cur->repeat_pict = 4;
1359 break;
1360 }
1361
1362 if ((h->sei_ct_type & 3) && h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
1363 cur->interlaced_frame = (h->sei_ct_type & (1<<1)) != 0;
1364 }else{
1365 /* Derive interlacing flag from used decoding process. */
1366 cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
1367 }
1368 h->prev_interlaced_frame = cur->interlaced_frame;
1369
1370 if (cur->field_poc[0] != cur->field_poc[1]){
1371 /* Derive top_field_first from field pocs. */
1372 cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
1373 }else{
1374 if(cur->interlaced_frame || h->sps.pic_struct_present_flag){
1375 /* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
1376 if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
1377 || h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
1378 cur->top_field_first = 1;
1379 else
1380 cur->top_field_first = 0;
1381 }else{
1382 /* Most likely progressive */
1383 cur->top_field_first = 0;
1384 }
1385 }
1386
1387 //FIXME do something with unavailable reference frames
1388
1389 /* Sort B-frames into display order */
1390
1391 if(h->sps.bitstream_restriction_flag
1392 && s->avctx->has_b_frames < h->sps.num_reorder_frames){
1393 s->avctx->has_b_frames = h->sps.num_reorder_frames;
1394 s->low_delay = 0;
1395 }
1396
1397 if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
1398 && !h->sps.bitstream_restriction_flag){
1399 s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT;
1400 s->low_delay= 0;
1401 }
1402
1403 pics = 0;
1404 while(h->delayed_pic[pics]) pics++;
1405
1406 assert(pics <= MAX_DELAYED_PIC_COUNT);
1407
1408 h->delayed_pic[pics++] = cur;
1409 if(cur->reference == 0)
1410 cur->reference = DELAYED_PIC_REF;
1411
1412 out = h->delayed_pic[0];
1413 out_idx = 0;
1414 for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++)
1415 if(h->delayed_pic[i]->poc < out->poc){
1416 out = h->delayed_pic[i];
1417 out_idx = i;
1418 }
1419 if(s->avctx->has_b_frames == 0 && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset))
1420 h->next_outputed_poc= INT_MIN;
1421 out_of_order = out->poc < h->next_outputed_poc;
1422
1423 if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
1424 { }
1425 else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT)
1426 || (s->low_delay &&
1427 ((h->next_outputed_poc != INT_MIN && out->poc > h->next_outputed_poc + 2)
1428 || cur->pict_type == AV_PICTURE_TYPE_B)))
1429 {
1430 s->low_delay = 0;
1431 s->avctx->has_b_frames++;
1432 }
1433
1434 if(out_of_order || pics > s->avctx->has_b_frames){
1435 out->reference &= ~DELAYED_PIC_REF;
1436 out->owner2 = s; // for frame threading, the owner must be the second field's thread
1437 // or else the first thread can release the picture and reuse it unsafely
1438 for(i=out_idx; h->delayed_pic[i]; i++)
1439 h->delayed_pic[i] = h->delayed_pic[i+1];
1440 }
1441 if(!out_of_order && pics > s->avctx->has_b_frames){
1442 h->next_output_pic = out;
1443 if(out_idx==0 && h->delayed_pic[0] && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset)) {
1444 h->next_outputed_poc = INT_MIN;
1445 } else
1446 h->next_outputed_poc = out->poc;
1447 }else{
1448 av_log(s->avctx, AV_LOG_DEBUG, "no picture\n");
1449 }
1450
1451 if (setup_finished)
1452 ff_thread_finish_setup(s->avctx);
1453}
1454
c9c49387 1455static 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){
53c05b1e 1456 MpegEncContext * const s = &h->s;
0b69d625 1457 uint8_t *top_border;
5f7f9719 1458 int top_idx = 1;
6e3ef511 1459 const int pixel_shift = h->pixel_shift;
115329f1 1460
53c05b1e
MN
1461 src_y -= linesize;
1462 src_cb -= uvlinesize;
1463 src_cr -= uvlinesize;
1464
5f7f9719
MN
1465 if(!simple && FRAME_MBAFF){
1466 if(s->mb_y&1){
5f7f9719 1467 if(!MB_MBAFF){
0b69d625
AS
1468 top_border = h->top_borders[0][s->mb_x];
1469 AV_COPY128(top_border, src_y + 15*linesize);
6e3ef511
OA
1470 if (pixel_shift)
1471 AV_COPY128(top_border+16, src_y+15*linesize+16);
49fb20cb 1472 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
c9c49387
JGG
1473 if(chroma444){
1474 if (pixel_shift){
1475 AV_COPY128(top_border+32, src_cb + 15*uvlinesize);
1476 AV_COPY128(top_border+48, src_cb + 15*uvlinesize+16);
1477 AV_COPY128(top_border+64, src_cr + 15*uvlinesize);
1478 AV_COPY128(top_border+80, src_cr + 15*uvlinesize+16);
1479 } else {
1480 AV_COPY128(top_border+16, src_cb + 15*uvlinesize);
1481 AV_COPY128(top_border+32, src_cr + 15*uvlinesize);
1482 }
6e3ef511 1483 } else {
c9c49387
JGG
1484 if (pixel_shift) {
1485 AV_COPY128(top_border+32, src_cb+7*uvlinesize);
1486 AV_COPY128(top_border+48, src_cr+7*uvlinesize);
1487 } else {
1488 AV_COPY64(top_border+16, src_cb+7*uvlinesize);
1489 AV_COPY64(top_border+24, src_cr+7*uvlinesize);
1490 }
6e3ef511 1491 }
5f7f9719
MN
1492 }
1493 }
c988f975
MN
1494 }else if(MB_MBAFF){
1495 top_idx = 0;
1496 }else
1497 return;
5f7f9719
MN
1498 }
1499
0b69d625 1500 top_border = h->top_borders[top_idx][s->mb_x];
3b66c4c5 1501 // There are two lines saved, the line above the the top macroblock of a pair,
6867a90b 1502 // and the line above the bottom macroblock
0b69d625 1503 AV_COPY128(top_border, src_y + 16*linesize);
6e3ef511
OA
1504 if (pixel_shift)
1505 AV_COPY128(top_border+16, src_y+16*linesize+16);
53c05b1e 1506
49fb20cb 1507 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
c9c49387
JGG
1508 if(chroma444){
1509 if (pixel_shift){
1510 AV_COPY128(top_border+32, src_cb + 16*linesize);
1511 AV_COPY128(top_border+48, src_cb + 16*linesize+16);
1512 AV_COPY128(top_border+64, src_cr + 16*linesize);
1513 AV_COPY128(top_border+80, src_cr + 16*linesize+16);
1514 } else {
1515 AV_COPY128(top_border+16, src_cb + 16*linesize);
1516 AV_COPY128(top_border+32, src_cr + 16*linesize);
1517 }
6e3ef511 1518 } else {
c9c49387
JGG
1519 if (pixel_shift) {
1520 AV_COPY128(top_border+32, src_cb+8*uvlinesize);
1521 AV_COPY128(top_border+48, src_cr+8*uvlinesize);
1522 } else {
1523 AV_COPY64(top_border+16, src_cb+8*uvlinesize);
1524 AV_COPY64(top_border+24, src_cr+8*uvlinesize);
1525 }
6e3ef511 1526 }
53c05b1e
MN
1527 }
1528}
1529
6e3ef511
OA
1530static inline void xchg_mb_border(H264Context *h, uint8_t *src_y,
1531 uint8_t *src_cb, uint8_t *src_cr,
1532 int linesize, int uvlinesize,
c9c49387
JGG
1533 int xchg, int chroma444,
1534 int simple, int pixel_shift){
53c05b1e 1535 MpegEncContext * const s = &h->s;
4e987f82 1536 int deblock_topleft;
b69378e2 1537 int deblock_top;
5f7f9719 1538 int top_idx = 1;
1e4f1c56
AS
1539 uint8_t *top_border_m1;
1540 uint8_t *top_border;
5f7f9719
MN
1541
1542 if(!simple && FRAME_MBAFF){
1543 if(s->mb_y&1){
c988f975
MN
1544 if(!MB_MBAFF)
1545 return;
5f7f9719 1546 }else{
5f7f9719
MN
1547 top_idx = MB_MBAFF ? 0 : 1;
1548 }
5f7f9719 1549 }
b69378e2
1550
1551 if(h->deblocking_filter == 2) {
4e987f82
RB
1552 deblock_topleft = h->slice_table[h->mb_xy - 1 - s->mb_stride] == h->slice_num;
1553 deblock_top = h->top_type;
b69378e2 1554 } else {
4e987f82
RB
1555 deblock_topleft = (s->mb_x > 0);
1556 deblock_top = (s->mb_y > !!MB_FIELD);
b69378e2 1557 }
53c05b1e 1558
6e3ef511
OA
1559 src_y -= linesize + 1 + pixel_shift;
1560 src_cb -= uvlinesize + 1 + pixel_shift;
1561 src_cr -= uvlinesize + 1 + pixel_shift;
53c05b1e 1562
1e4f1c56
AS
1563 top_border_m1 = h->top_borders[top_idx][s->mb_x-1];
1564 top_border = h->top_borders[top_idx][s->mb_x];
1565
0b69d625 1566#define XCHG(a,b,xchg)\
6e3ef511
OA
1567 if (pixel_shift) {\
1568 if (xchg) {\
1569 AV_SWAP64(b+0,a+0);\
1570 AV_SWAP64(b+8,a+8);\
1571 } else {\
1572 AV_COPY128(b,a); \
1573 }\
1574 } else \
0b69d625
AS
1575if (xchg) AV_SWAP64(b,a);\
1576else AV_COPY64(b,a);
d89dc06a 1577
d89dc06a 1578 if(deblock_top){
4e987f82 1579 if(deblock_topleft){
6e3ef511 1580 XCHG(top_border_m1 + (8 << pixel_shift), src_y - (7 << pixel_shift), 1);
c988f975 1581 }
6e3ef511
OA
1582 XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg);
1583 XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1);
cad4368a 1584 if(s->mb_x+1 < s->mb_width){
6e3ef511 1585 XCHG(h->top_borders[top_idx][s->mb_x+1], src_y + (17 << pixel_shift), 1);
43efd19a 1586 }
53c05b1e 1587 }
49fb20cb 1588 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
c9c49387 1589 if(chroma444){
4e987f82 1590 if(deblock_topleft){
c9c49387
JGG
1591 XCHG(top_border_m1 + (24 << pixel_shift), src_cb - (7 << pixel_shift), 1);
1592 XCHG(top_border_m1 + (40 << pixel_shift), src_cr - (7 << pixel_shift), 1);
1593 }
1594 XCHG(top_border + (16 << pixel_shift), src_cb + (1 << pixel_shift), xchg);
1595 XCHG(top_border + (24 << pixel_shift), src_cb + (9 << pixel_shift), 1);
1596 XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg);
1597 XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1);
1598 if(s->mb_x+1 < s->mb_width){
1599 XCHG(h->top_borders[top_idx][s->mb_x+1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1);
1600 XCHG(h->top_borders[top_idx][s->mb_x+1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1);
1601 }
1602 } else {
1603 if(deblock_top){
1604 if(deblock_topleft){
1605 XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1);
1606 XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1);
1607 }
1608 XCHG(top_border + (16 << pixel_shift), src_cb+1+pixel_shift, 1);
1609 XCHG(top_border + (24 << pixel_shift), src_cr+1+pixel_shift, 1);
c988f975 1610 }
53c05b1e 1611 }
53c05b1e
MN
1612 }
1613}
1614
6e3ef511
OA
1615static av_always_inline int dctcoef_get(DCTELEM *mb, int high_bit_depth, int index) {
1616 if (high_bit_depth) {
1617 return AV_RN32A(((int32_t*)mb) + index);
1618 } else
1619 return AV_RN16A(mb + index);
1620}
1621
1622static av_always_inline void dctcoef_set(DCTELEM *mb, int high_bit_depth, int index, int value) {
1623 if (high_bit_depth) {
1624 AV_WN32A(((int32_t*)mb) + index, value);
1625 } else
1626 AV_WN16A(mb + index, value);
1627}
1628
c9c49387
JGG
1629static av_always_inline void hl_decode_mb_predict_luma(H264Context *h, int mb_type, int is_h264, int simple, int transform_bypass,
1630 int pixel_shift, int *block_offset, int linesize, uint8_t *dest_y, int p)
1631{
1632 MpegEncContext * const s = &h->s;
1633 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
1634 void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
1635 int i;
1636 int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
1637 block_offset += 16*p;
1638 if(IS_INTRA4x4(mb_type)){
1639 if(simple || !s->encoding){
1640 if(IS_8x8DCT(mb_type)){
1641 if(transform_bypass){
1642 idct_dc_add =
1643 idct_add = s->dsp.add_pixels8;
1644 }else{
1645 idct_dc_add = h->h264dsp.h264_idct8_dc_add;
1646 idct_add = h->h264dsp.h264_idct8_add;
1647 }
1648 for(i=0; i<16; i+=4){
1649 uint8_t * const ptr= dest_y + block_offset[i];
1650 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
1651 if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
1652 h->hpc.pred8x8l_add[dir](ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1653 }else{
1654 const int nnz = h->non_zero_count_cache[ scan8[i+p*16] ];
1655 h->hpc.pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
1656 (h->topright_samples_available<<i)&0x4000, linesize);
1657 if(nnz){
1658 if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16+p*256))
1659 idct_dc_add(ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1660 else
1661 idct_add (ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1662 }
1663 }
1664 }
1665 }else{
1666 if(transform_bypass){
1667 idct_dc_add =
1668 idct_add = s->dsp.add_pixels4;
1669 }else{
1670 idct_dc_add = h->h264dsp.h264_idct_dc_add;
1671 idct_add = h->h264dsp.h264_idct_add;
1672 }
1673 for(i=0; i<16; i++){
1674 uint8_t * const ptr= dest_y + block_offset[i];
1675 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
1676
1677 if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
1678 h->hpc.pred4x4_add[dir](ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1679 }else{
1680 uint8_t *topright;
1681 int nnz, tr;
1682 uint64_t tr_high;
1683 if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
1684 const int topright_avail= (h->topright_samples_available<<i)&0x8000;
1685 assert(mb_y || linesize <= block_offset[i]);
1686 if(!topright_avail){
1687 if (pixel_shift) {
1688 tr_high= ((uint16_t*)ptr)[3 - linesize/2]*0x0001000100010001ULL;
1689 topright= (uint8_t*) &tr_high;
1690 } else {
1691 tr= ptr[3 - linesize]*0x01010101;
1692 topright= (uint8_t*) &tr;
1693 }
1694 }else
1695 topright= ptr + (4 << pixel_shift) - linesize;
1696 }else
1697 topright= NULL;
1698
1699 h->hpc.pred4x4[ dir ](ptr, topright, linesize);
1700 nnz = h->non_zero_count_cache[ scan8[i+p*16] ];
1701 if(nnz){
1702 if(is_h264){
1703 if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16+p*256))
1704 idct_dc_add(ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1705 else
1706 idct_add (ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
1707 }else
1708 ff_svq3_add_idct_c(ptr, h->mb + i*16+p*256, linesize, qscale, 0);
1709 }
1710 }
1711 }
1712 }
1713 }
1714 }else{
1715 h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
1716 if(is_h264){
1717 if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX+p] ]){
1718 if(!transform_bypass)
1719 h->h264dsp.h264_luma_dc_dequant_idct(h->mb+(p*256 << pixel_shift), h->mb_luma_dc[p], h->dequant4_coeff[p][qscale][0]);
1720 else{
1721 static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
1722 8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
1723 for(i = 0; i < 16; i++)
1724 dctcoef_set(h->mb+p*256, pixel_shift, dc_mapping[i], dctcoef_get(h->mb_luma_dc[p], pixel_shift, i));
1725 }
1726 }
1727 }else
1728 ff_svq3_luma_dc_dequant_idct_c(h->mb+p*256, h->mb_luma_dc[p], qscale);
1729 }
1730}
1731
1732static av_always_inline void hl_decode_mb_idct_luma(H264Context *h, int mb_type, int is_h264, int simple, int transform_bypass,
1733 int pixel_shift, int *block_offset, int linesize, uint8_t *dest_y, int p)
1734{
1735 MpegEncContext * const s = &h->s;
1736 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
1737 int i;
1738 block_offset += 16*p;
1739 if(!IS_INTRA4x4(mb_type)){
1740 if(is_h264){
1741 if(IS_INTRA16x16(mb_type)){
1742 if(transform_bypass){
1743 if(h->sps.profile_idc==244 && (h->intra16x16_pred_mode==VERT_PRED8x8 || h->intra16x16_pred_mode==HOR_PRED8x8)){
1744 h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize);
1745 }else{
1746 for(i=0; i<16; i++){
1747 if(h->non_zero_count_cache[ scan8[i+p*16] ] || dctcoef_get(h->mb, pixel_shift, i*16))
1748 s->dsp.add_pixels4(dest_y + block_offset[i], h->mb + (i*16+p*256 << pixel_shift), linesize);
1749 }
1750 }
1751 }else{
1752 h->h264dsp.h264_idct_add16intra(dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize, h->non_zero_count_cache+p*5*8);
1753 }
1754 }else if(h->cbp&15){
1755 if(transform_bypass){
1756 const int di = IS_8x8DCT(mb_type) ? 4 : 1;
1757 idct_add= IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
1758 for(i=0; i<16; i+=di){
1759 if(h->non_zero_count_cache[ scan8[i+p*16] ]){
1760 idct_add(dest_y + block_offset[i], h->mb + (i*16+p*256 << pixel_shift), linesize);
1761 }
1762 }
1763 }else{
1764 if(IS_8x8DCT(mb_type)){
1765 h->h264dsp.h264_idct8_add4(dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize, h->non_zero_count_cache+p*5*8);
1766 }else{
1767 h->h264dsp.h264_idct_add16(dest_y, block_offset, h->mb + (p*256 << pixel_shift), linesize, h->non_zero_count_cache+p*5*8);
1768 }
1769 }
1770 }
1771 }else{
1772 for(i=0; i<16; i++){
1773 if(h->non_zero_count_cache[ scan8[i+p*16] ] || h->mb[i*16+p*256]){ //FIXME benchmark weird rule, & below
1774 uint8_t * const ptr= dest_y + block_offset[i];
1775 ff_svq3_add_idct_c(ptr, h->mb + i*16 + p*256, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
1776 }
1777 }
1778 }
1779 }
1780}
1781
6e3ef511 1782static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, int pixel_shift){
0da71265
MN
1783 MpegEncContext * const s = &h->s;
1784 const int mb_x= s->mb_x;
1785 const int mb_y= s->mb_y;
64514ee8 1786 const int mb_xy= h->mb_xy;
0da71265
MN
1787 const int mb_type= s->current_picture.mb_type[mb_xy];
1788 uint8_t *dest_y, *dest_cb, *dest_cr;
1789 int linesize, uvlinesize /*dct_offset*/;
c9c49387 1790 int i, j;
6867a90b 1791 int *block_offset = &h->block_offset[0];
41e4055b 1792 const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);
8b6871ed 1793 /* is_h264 should always be true if SVQ3 is disabled. */
49fb20cb 1794 const int is_h264 = !CONFIG_SVQ3_DECODER || simple || s->codec_id == CODEC_ID_H264;
36940eca 1795 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
0da71265 1796
6e3ef511
OA
1797 dest_y = s->current_picture.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
1798 dest_cb = s->current_picture.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
1799 dest_cr = s->current_picture.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
0da71265 1800
6e3ef511
OA
1801 s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);
1802 s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + (64 << pixel_shift), dest_cr - dest_cb, 2);
a957c27b 1803
c988f975
MN
1804 h->list_counts[mb_xy]= h->list_count;
1805
bd91fee3 1806 if (!simple && MB_FIELD) {
5d18eaad
LM
1807 linesize = h->mb_linesize = s->linesize * 2;
1808 uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
c9c49387 1809 block_offset = &h->block_offset[48];
1412060e 1810 if(mb_y&1){ //FIXME move out of this function?
0da71265 1811 dest_y -= s->linesize*15;
6867a90b
LLL
1812 dest_cb-= s->uvlinesize*7;
1813 dest_cr-= s->uvlinesize*7;
0da71265 1814 }
5d18eaad
LM
1815 if(FRAME_MBAFF) {
1816 int list;
3425501d 1817 for(list=0; list<h->list_count; list++){
5d18eaad
LM
1818 if(!USES_LIST(mb_type, list))
1819 continue;
1820 if(IS_16X16(mb_type)){
1821 int8_t *ref = &h->ref_cache[list][scan8[0]];
1710856c 1822 fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);
5d18eaad
LM
1823 }else{
1824 for(i=0; i<16; i+=4){
5d18eaad
LM
1825 int ref = h->ref_cache[list][scan8[i]];
1826 if(ref >= 0)
1710856c 1827 fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);
5d18eaad
LM
1828 }
1829 }
1830 }
1831 }
0da71265 1832 } else {
5d18eaad
LM
1833 linesize = h->mb_linesize = s->linesize;
1834 uvlinesize = h->mb_uvlinesize = s->uvlinesize;
0da71265
MN
1835// dct_offset = s->linesize * 16;
1836 }
115329f1 1837
bd91fee3 1838 if (!simple && IS_INTRA_PCM(mb_type)) {
6e3ef511
OA
1839 if (pixel_shift) {
1840 const int bit_depth = h->sps.bit_depth_luma;
1841 int j;
1842 GetBitContext gb;
1843 init_get_bits(&gb, (uint8_t*)h->mb, 384*bit_depth);
1844
1845 for (i = 0; i < 16; i++) {
1846 uint16_t *tmp_y = (uint16_t*)(dest_y + i*linesize);
1847 for (j = 0; j < 16; j++)
1848 tmp_y[j] = get_bits(&gb, bit_depth);
1849 }
1850 for (i = 0; i < 8; i++) {
1851 uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
1852 for (j = 0; j < 8; j++)
1853 tmp_cb[j] = get_bits(&gb, bit_depth);
1854 }
1855 for (i = 0; i < 8; i++) {
1856 uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
1857 for (j = 0; j < 8; j++)
1858 tmp_cr[j] = get_bits(&gb, bit_depth);
1859 }
1860 } else {
c1708e8d
MN
1861 for (i=0; i<16; i++) {
1862 memcpy(dest_y + i* linesize, h->mb + i*8, 16);
6fbcaaa0 1863 }
c1708e8d
MN
1864 for (i=0; i<8; i++) {
1865 memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8);
1866 memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8);
6fbcaaa0 1867 }
6e3ef511 1868 }
e7e09b49
LLL
1869 } else {
1870 if(IS_INTRA(mb_type)){
5f7f9719 1871 if(h->deblocking_filter)
c9c49387 1872 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, 0, simple, pixel_shift);
53c05b1e 1873
49fb20cb 1874 if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
c92a30bb
KS
1875 h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
1876 h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
e7e09b49 1877 }
0da71265 1878
c9c49387
JGG
1879 hl_decode_mb_predict_luma(h, mb_type, is_h264, simple, transform_bypass, pixel_shift, block_offset, linesize, dest_y, 0);
1880
5f7f9719 1881 if(h->deblocking_filter)
c9c49387 1882 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, 0, simple, pixel_shift);
bd91fee3 1883 }else if(is_h264){
6e3ef511
OA
1884 if (pixel_shift) {
1885 hl_motion_16(h, dest_y, dest_cb, dest_cr,
1886 s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
1887 s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
1888 h->h264dsp.weight_h264_pixels_tab,
c9c49387 1889 h->h264dsp.biweight_h264_pixels_tab, 0);
6e3ef511
OA
1890 } else
1891 hl_motion_8(h, dest_y, dest_cb, dest_cr,
1892 s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
1893 s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
1894 h->h264dsp.weight_h264_pixels_tab,
c9c49387 1895 h->h264dsp.biweight_h264_pixels_tab, 0);
0da71265 1896 }
e7e09b49 1897
c9c49387 1898 hl_decode_mb_idct_luma(h, mb_type, is_h264, simple, transform_bypass, pixel_shift, block_offset, linesize, dest_y, 0);
0da71265 1899
49fb20cb 1900 if((simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) && (h->cbp&0x30)){
ef9d1d15
LM
1901 uint8_t *dest[2] = {dest_cb, dest_cr};
1902 if(transform_bypass){
96465b90 1903 if(IS_INTRA(mb_type) && h->sps.profile_idc==244 && (h->chroma_pred_mode==VERT_PRED8x8 || h->chroma_pred_mode==HOR_PRED8x8)){
c9c49387
JGG
1904 h->hpc.pred8x8_add[h->chroma_pred_mode](dest[0], block_offset + 16, h->mb + (16*16*1 << pixel_shift), uvlinesize);
1905 h->hpc.pred8x8_add[h->chroma_pred_mode](dest[1], block_offset + 32, h->mb + (16*16*2 << pixel_shift), uvlinesize);
96465b90 1906 }else{
c25ac15a 1907 idct_add = s->dsp.add_pixels4;
c9c49387
JGG
1908 for(j=1; j<3; j++){
1909 for(i=j*16; i<j*16+4; i++){
1910 if(h->non_zero_count_cache[ scan8[i] ] || dctcoef_get(h->mb, pixel_shift, i*16))
1911 idct_add (dest[j-1] + block_offset[i], h->mb + (i*16 << pixel_shift), uvlinesize);
1912 }
96465b90
MN
1913 }
1914 }
ef9d1d15 1915 }else{
aebb5d6d 1916 if(is_h264){
2e186601 1917 if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
c9c49387 1918 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]);
2e186601 1919 if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
c9c49387 1920 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]);
1d16a1cf
RB
1921 h->h264dsp.h264_idct_add8(dest, block_offset,
1922 h->mb, uvlinesize,
1923 h->non_zero_count_cache);
aebb5d6d 1924 }else{
c9c49387
JGG
1925 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]);
1926 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]);
1927 for(j=1; j<3; j++){
1928 for(i=j*16; i<j*16+4; i++){
1929 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
1930 uint8_t * const ptr= dest[j-1] + block_offset[i];
1931 ff_svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, ff_h264_chroma_qp[0][s->qscale + 12] - 12, 2);
1932 }
aebb5d6d 1933 }
e7e09b49 1934 }
4704097a 1935 }
0da71265
MN
1936 }
1937 }
1938 }
c212fb0c 1939 if(h->cbp || IS_INTRA(mb_type))
c9c49387 1940 {
c212fb0c 1941 s->dsp.clear_blocks(h->mb);
c9c49387
JGG
1942 s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));
1943 }
1944}
1945
1946static av_always_inline void hl_decode_mb_444_internal(H264Context *h, int simple, int pixel_shift){
1947 MpegEncContext * const s = &h->s;
1948 const int mb_x= s->mb_x;
1949 const int mb_y= s->mb_y;
1950 const int mb_xy= h->mb_xy;
1951 const int mb_type= s->current_picture.mb_type[mb_xy];
1952 uint8_t *dest[3];
1953 int linesize;
1954 int i, j, p;
1955 int *block_offset = &h->block_offset[0];
1956 const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);
1957
1958 for (p = 0; p < 3; p++)
1959 {
1960 dest[p] = s->current_picture.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 < 3; 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 < 3; 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 < 3; 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 if (pixel_shift) {
2025 hl_motion_16(h, dest[0], dest[1], dest[2],
2026 s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
2027 s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
2028 h->h264dsp.weight_h264_pixels_tab,
2029 h->h264dsp.biweight_h264_pixels_tab, 1);
2030 } else
2031 hl_motion_8(h, dest[0], dest[1], dest[2],
2032 s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
2033 s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
2034 h->h264dsp.weight_h264_pixels_tab,
2035 h->h264dsp.biweight_h264_pixels_tab, 1);
2036 }
2037
2038 for (p = 0; p < 3; p++)
2039 hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);
2040 }
2041 if(h->cbp || IS_INTRA(mb_type))
2042 {
2043 s->dsp.clear_blocks(h->mb);
2044 s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));
2045 }
0da71265
MN
2046}
2047
0da71265 2048/**
bd91fee3
AS
2049 * Process a macroblock; this case avoids checks for expensive uncommon cases.
2050 */
6e3ef511
OA
2051#define hl_decode_mb_simple(sh, bits) \
2052static void hl_decode_mb_simple_ ## bits(H264Context *h){ \
2053 hl_decode_mb_internal(h, 1, sh); \
bd91fee3 2054}
6e3ef511
OA
2055hl_decode_mb_simple(0, 8);
2056hl_decode_mb_simple(1, 16);
bd91fee3
AS
2057
2058/**
2059 * Process a macroblock; this handles edge cases, such as interlacing.
2060 */
2061static void av_noinline hl_decode_mb_complex(H264Context *h){
6e3ef511 2062 hl_decode_mb_internal(h, 0, h->pixel_shift);
bd91fee3
AS
2063}
2064
c9c49387
JGG
2065static void av_noinline hl_decode_mb_444_complex(H264Context *h){
2066 hl_decode_mb_444_internal(h, 0, h->pixel_shift);
2067}
2068
2069static void av_noinline hl_decode_mb_444_simple(H264Context *h){
2070 hl_decode_mb_444_internal(h, 1, 0);
2071}
2072
903d58f6 2073void ff_h264_hl_decode_mb(H264Context *h){
bd91fee3 2074 MpegEncContext * const s = &h->s;
64514ee8 2075 const int mb_xy= h->mb_xy;
bd91fee3 2076 const int mb_type= s->current_picture.mb_type[mb_xy];
49fb20cb 2077 int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;
bd91fee3 2078
c9c49387
JGG
2079 if (CHROMA444) {
2080 if(is_complex || h->pixel_shift)
2081 hl_decode_mb_444_complex(h);
2082 else
2083 hl_decode_mb_444_simple(h);
2084 } else if (is_complex) {
bd91fee3 2085 hl_decode_mb_complex(h);
6e3ef511
OA
2086 } else if (h->pixel_shift) {
2087 hl_decode_mb_simple_16(h);
2088 } else
2089 hl_decode_mb_simple_8(h);
bd91fee3
AS
2090}
2091
0da71265
MN
2092static int pred_weight_table(H264Context *h){
2093 MpegEncContext * const s = &h->s;
2094 int list, i;
9f2d1b4f 2095 int luma_def, chroma_def;
115329f1 2096
9f2d1b4f
LM
2097 h->use_weight= 0;
2098 h->use_weight_chroma= 0;
0da71265 2099 h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
c9c49387 2100 if(h->sps.chroma_format_idc)
09fffe9b 2101 h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
9f2d1b4f
LM
2102 luma_def = 1<<h->luma_log2_weight_denom;
2103 chroma_def = 1<<h->chroma_log2_weight_denom;
0da71265
MN
2104
2105 for(list=0; list<2; list++){
cb99c652
GB
2106 h->luma_weight_flag[list] = 0;
2107 h->chroma_weight_flag[list] = 0;
0da71265
MN
2108 for(i=0; i<h->ref_count[list]; i++){
2109 int luma_weight_flag, chroma_weight_flag;
115329f1 2110
0da71265
MN
2111 luma_weight_flag= get_bits1(&s->gb);
2112 if(luma_weight_flag){
3d9137c8
MN
2113 h->luma_weight[i][list][0]= get_se_golomb(&s->gb);
2114 h->luma_weight[i][list][1]= get_se_golomb(&s->gb);
2115 if( h->luma_weight[i][list][0] != luma_def
2116 || h->luma_weight[i][list][1] != 0) {
9f2d1b4f 2117 h->use_weight= 1;
cb99c652
GB
2118 h->luma_weight_flag[list]= 1;
2119 }
9f2d1b4f 2120 }else{
3d9137c8
MN
2121 h->luma_weight[i][list][0]= luma_def;
2122 h->luma_weight[i][list][1]= 0;
0da71265
MN
2123 }
2124
c9c49387 2125 if(h->sps.chroma_format_idc){
fef744d4
MN
2126 chroma_weight_flag= get_bits1(&s->gb);
2127 if(chroma_weight_flag){
2128 int j;
2129 for(j=0; j<2; j++){
3d9137c8
MN
2130 h->chroma_weight[i][list][j][0]= get_se_golomb(&s->gb);
2131 h->chroma_weight[i][list][j][1]= get_se_golomb(&s->gb);
2132 if( h->chroma_weight[i][list][j][0] != chroma_def
2133 || h->chroma_weight[i][list][j][1] != 0) {
fef744d4 2134 h->use_weight_chroma= 1;
cb99c652
GB
2135 h->chroma_weight_flag[list]= 1;
2136 }
fef744d4
MN
2137 }
2138 }else{
2139 int j;
2140 for(j=0; j<2; j++){
3d9137c8
MN
2141 h->chroma_weight[i][list][j][0]= chroma_def;
2142 h->chroma_weight[i][list][j][1]= 0;
fef744d4 2143 }
0da71265
MN
2144 }
2145 }
2146 }
975a1447 2147 if(h->slice_type_nos != AV_PICTURE_TYPE_B) break;
0da71265 2148 }
9f2d1b4f 2149 h->use_weight= h->use_weight || h->use_weight_chroma;
0da71265
MN
2150 return 0;
2151}
2152
1052b76f
MN
2153/**
2154 * Initialize implicit_weight table.
6da88bd3 2155 * @param field 0/1 initialize the weight for interlaced MBAFF
1052b76f
MN
2156 * -1 initializes the rest
2157 */
2158static void implicit_weight_table(H264Context *h, int field){
9f2d1b4f 2159 MpegEncContext * const s = &h->s;
1052b76f 2160 int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
9f2d1b4f 2161
ce09f927
GB
2162 for (i = 0; i < 2; i++) {
2163 h->luma_weight_flag[i] = 0;
2164 h->chroma_weight_flag[i] = 0;
2165 }
2166
1052b76f
MN
2167 if(field < 0){
2168 cur_poc = s->current_picture_ptr->poc;
2169 if( h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF
9f2d1b4f
LM
2170 && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
2171 h->use_weight= 0;
2172 h->use_weight_chroma= 0;
2173 return;
2174 }
1052b76f
MN
2175 ref_start= 0;
2176 ref_count0= h->ref_count[0];
2177 ref_count1= h->ref_count[1];
2178 }else{
2179 cur_poc = s->current_picture_ptr->field_poc[field];
2180 ref_start= 16;
2181 ref_count0= 16+2*h->ref_count[0];
2182 ref_count1= 16+2*h->ref_count[1];
2183 }
9f2d1b4f
LM
2184
2185 h->use_weight= 2;
2186 h->use_weight_chroma= 2;
2187 h->luma_log2_weight_denom= 5;
2188 h->chroma_log2_weight_denom= 5;
2189
1052b76f 2190 for(ref0=ref_start; ref0 < ref_count0; ref0++){
9f2d1b4f 2191 int poc0 = h->ref_list[0][ref0].poc;
1052b76f 2192 for(ref1=ref_start; ref1 < ref_count1; ref1++){
738386a5 2193 int poc1 = h->ref_list[1][ref1].poc;
f66e4f5f 2194 int td = av_clip(poc1 - poc0, -128, 127);
1052b76f 2195 int w= 32;
9f2d1b4f 2196 if(td){
f66e4f5f 2197 int tb = av_clip(cur_poc - poc0, -128, 127);
c26abfa5 2198 int tx = (16384 + (FFABS(td) >> 1)) / td;
72f86ec0
MN
2199 int dist_scale_factor = (tb*tx + 32) >> 8;
2200 if(dist_scale_factor >= -64 && dist_scale_factor <= 128)
1052b76f
MN
2201 w = 64 - dist_scale_factor;
2202 }
2203 if(field<0){
2204 h->implicit_weight[ref0][ref1][0]=
2205 h->implicit_weight[ref0][ref1][1]= w;
2206 }else{
2207 h->implicit_weight[ref0][ref1][field]=w;
72f86ec0 2208 }
9f2d1b4f
LM
2209 }
2210 }
2211}
2212
8fd57a66 2213/**
5175b937 2214 * instantaneous decoder refresh.
0da71265
MN
2215 */
2216static void idr(H264Context *h){
ea6f00c4 2217 ff_h264_remove_all_refs(h);
a149c1a5 2218 h->prev_frame_num= 0;
80f8e035
MN
2219 h->prev_frame_num_offset= 0;
2220 h->prev_poc_msb=
2221 h->prev_poc_lsb= 0;
0da71265
MN
2222}
2223
7c33ad19
LM
2224/* forget old pics after a seek */
2225static void flush_dpb(AVCodecContext *avctx){
2226 H264Context *h= avctx->priv_data;
2227 int i;
64b9d48f 2228 for(i=0; i<MAX_DELAYED_PIC_COUNT; i++) {
285b570f
LM
2229 if(h->delayed_pic[i])
2230 h->delayed_pic[i]->reference= 0;
7c33ad19 2231 h->delayed_pic[i]= NULL;
285b570f 2232 }
6a9c8594 2233 h->outputed_poc=h->next_outputed_poc= INT_MIN;
b19d493f 2234 h->prev_interlaced_frame = 1;
7c33ad19 2235 idr(h);
ca159196
MR
2236 if(h->s.current_picture_ptr)
2237 h->s.current_picture_ptr->reference= 0;
12d96de3 2238 h->s.first_field= 0;
9c095463 2239 ff_h264_reset_sei(h);
e240f898 2240 ff_mpeg_flush(avctx);
7c33ad19
LM
2241}
2242
0da71265
MN
2243static int init_poc(H264Context *h){
2244 MpegEncContext * const s = &h->s;
2245 const int max_frame_num= 1<<h->sps.log2_max_frame_num;
2246 int field_poc[2];
357282c6 2247 Picture *cur = s->current_picture_ptr;
0da71265 2248
b78a6baa 2249 h->frame_num_offset= h->prev_frame_num_offset;
5710b371 2250 if(h->frame_num < h->prev_frame_num)
b78a6baa 2251 h->frame_num_offset += max_frame_num;
0da71265
MN
2252
2253 if(h->sps.poc_type==0){
2254 const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
2255
2256 if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
2257 h->poc_msb = h->prev_poc_msb + max_poc_lsb;
2258 else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
2259 h->poc_msb = h->prev_poc_msb - max_poc_lsb;
2260 else
2261 h->poc_msb = h->prev_poc_msb;
2262//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
115329f1 2263 field_poc[0] =
0da71265 2264 field_poc[1] = h->poc_msb + h->poc_lsb;
115329f1 2265 if(s->picture_structure == PICT_FRAME)
0da71265
MN
2266 field_poc[1] += h->delta_poc_bottom;
2267 }else if(h->sps.poc_type==1){
2268 int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
2269 int i;
2270
2271 if(h->sps.poc_cycle_length != 0)
2272 abs_frame_num = h->frame_num_offset + h->frame_num;
2273 else
2274 abs_frame_num = 0;
2275
2276 if(h->nal_ref_idc==0 && abs_frame_num > 0)
2277 abs_frame_num--;
115329f1 2278
0da71265
MN
2279 expected_delta_per_poc_cycle = 0;
2280 for(i=0; i < h->sps.poc_cycle_length; i++)
2281 expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
2282
2283 if(abs_frame_num > 0){
2284 int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length;
2285 int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
2286
2287 expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
2288 for(i = 0; i <= frame_num_in_poc_cycle; i++)
2289 expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
2290 } else
2291 expectedpoc = 0;
2292
115329f1 2293 if(h->nal_ref_idc == 0)
0da71265 2294 expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
115329f1 2295
0da71265
MN
2296 field_poc[0] = expectedpoc + h->delta_poc[0];
2297 field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
2298
2299 if(s->picture_structure == PICT_FRAME)
2300 field_poc[1] += h->delta_poc[1];
2301 }else{
b78a6baa 2302 int poc= 2*(h->frame_num_offset + h->frame_num);
5710b371 2303
b78a6baa
MN
2304 if(!h->nal_ref_idc)
2305 poc--;
5710b371 2306
0da71265
MN
2307 field_poc[0]= poc;
2308 field_poc[1]= poc;
2309 }
115329f1 2310
357282c6 2311 if(s->picture_structure != PICT_BOTTOM_FIELD)
0da71265 2312 s->current_picture_ptr->field_poc[0]= field_poc[0];
357282c6 2313 if(s->picture_structure != PICT_TOP_FIELD)
0da71265 2314 s->current_picture_ptr->field_poc[1]= field_poc[1];
357282c6 2315 cur->poc= FFMIN(cur->field_poc[0], cur->field_poc[1]);
0da71265
MN
2316
2317 return 0;
2318}
2319
b41c1db3
2320
2321/**
2322 * initialize scan tables
2323 */
2324static void init_scan_tables(H264Context *h){
b41c1db3 2325 int i;
ca32f7f2 2326 for(i=0; i<16; i++){
b41c1db3 2327#define T(x) (x>>2) | ((x<<2) & 0xF)
ca32f7f2
JGG
2328 h->zigzag_scan[i] = T(zigzag_scan[i]);
2329 h-> field_scan[i] = T( field_scan[i]);
b41c1db3 2330#undef T
b41c1db3 2331 }
ca32f7f2 2332 for(i=0; i<64; i++){
b41c1db3 2333#define T(x) (x>>3) | ((x&7)<<3)
ca32f7f2
JGG
2334 h->zigzag_scan8x8[i] = T(ff_zigzag_direct[i]);
2335 h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
2336 h->field_scan8x8[i] = T(field_scan8x8[i]);
2337 h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
b41c1db3 2338#undef T
b41c1db3
2339 }
2340 if(h->sps.transform_bypass){ //FIXME same ugly
2341 h->zigzag_scan_q0 = zigzag_scan;
45beb850 2342 h->zigzag_scan8x8_q0 = ff_zigzag_direct;
b41c1db3
2343 h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
2344 h->field_scan_q0 = field_scan;
2345 h->field_scan8x8_q0 = field_scan8x8;
2346 h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
2347 }else{
2348 h->zigzag_scan_q0 = h->zigzag_scan;
2349 h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
2350 h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
2351 h->field_scan_q0 = h->field_scan;
2352 h->field_scan8x8_q0 = h->field_scan8x8;
2353 h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
2354 }
2355}
afebe2f7 2356
6a9c8594 2357static void field_end(H264Context *h, int in_setup){
256299d3
MN
2358 MpegEncContext * const s = &h->s;
2359 AVCodecContext * const avctx= s->avctx;
2360 s->mb_y= 0;
2361
6a9c8594
AS
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);
256299d3
MN
2365
2366 if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
2367 ff_vdpau_h264_set_reference_frames(s);
2368
6a9c8594
AS
2369 if(in_setup || !(avctx->active_thread_type&FF_THREAD_FRAME)){
2370 if(!s->dropable) {
2371 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;
256299d3 2378 }
256299d3
MN
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);
d225a1e2
MN
2404
2405 h->current_slice=0;
256299d3
MN
2406}
2407
afebe2f7 2408/**
49bd8e4b 2409 * Replicate H264 "master" context to thread contexts.
afebe2f7
2410 */
2411static void clone_slice(H264Context *dst, H264Context *src)
2412{
2413 memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset));
2414 dst->s.current_picture_ptr = src->s.current_picture_ptr;
2415 dst->s.current_picture = src->s.current_picture;
2416 dst->s.linesize = src->s.linesize;
2417 dst->s.uvlinesize = src->s.uvlinesize;
12d96de3 2418 dst->s.first_field = src->s.first_field;
afebe2f7
2419
2420 dst->prev_poc_msb = src->prev_poc_msb;
2421 dst->prev_poc_lsb = src->prev_poc_lsb;
2422 dst->prev_frame_num_offset = src->prev_frame_num_offset;
2423 dst->prev_frame_num = src->prev_frame_num;
2424 dst->short_ref_count = src->short_ref_count;
2425
2426 memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref));
2427 memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref));
2428 memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list));
2429 memcpy(dst->ref_list, src->ref_list, sizeof(dst->ref_list));
50c21814
2430
2431 memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff));
2432 memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
afebe2f7
2433}
2434
0da71265 2435/**
fe9a3fbe
JG
2436 * computes profile from profile_idc and constraint_set?_flags
2437 *
2438 * @param sps SPS
2439 *
2440 * @return profile as defined by FF_PROFILE_H264_*
2441 */
2442int ff_h264_get_profile(SPS *sps)
2443{
2444 int profile = sps->profile_idc;
2445
2446 switch(sps->profile_idc) {
2447 case FF_PROFILE_H264_BASELINE:
2448 // constraint_set1_flag set to 1
2449 profile |= (sps->constraint_set_flags & 1<<1) ? FF_PROFILE_H264_CONSTRAINED : 0;
2450 break;
2451 case FF_PROFILE_H264_HIGH_10:
2452 case FF_PROFILE_H264_HIGH_422:
2453 case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
2454 // constraint_set3_flag set to 1
2455 profile |= (sps->constraint_set_flags & 1<<3) ? FF_PROFILE_H264_INTRA : 0;
2456 break;
2457 }
2458
2459 return profile;
2460}
2461
2462/**
0da71265 2463 * decodes a slice header.
9c852bcf 2464 * This will also call MPV_common_init() and frame_start() as needed.
afebe2f7
2465 *
2466 * @param h h264context
2467 * @param h0 h264 master context (differs from 'h' when doing sliced based parallel decoding)
2468 *
d9526386 2469 * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
0da71265 2470 */
afebe2f7 2471static int decode_slice_header(H264Context *h, H264Context *h0){
0da71265 2472 MpegEncContext * const s = &h->s;
12d96de3 2473 MpegEncContext * const s0 = &h0->s;
88e7a4d1 2474 unsigned int first_mb_in_slice;
ac658be5 2475 unsigned int pps_id;
0da71265 2476 int num_ref_idx_active_override_flag;
41f5c62f 2477 unsigned int slice_type, tmp, i, j;
0bf79634 2478 int default_ref_list_done = 0;
12d96de3 2479 int last_pic_structure;
0da71265 2480
2f944356 2481 s->dropable= h->nal_ref_idc == 0;
0da71265 2482
cf653d08
JD
2483 if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !h->nal_ref_idc){
2484 s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
2485 s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
2486 }else{
2487 s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
2488 s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
2489 }
2490
0da71265
MN
2491 first_mb_in_slice= get_ue_golomb(&s->gb);
2492
d225a1e2
MN
2493 if(first_mb_in_slice == 0){ //FIXME better field boundary detection
2494 if(h0->current_slice && FIELD_PICTURE){
6a9c8594 2495 field_end(h, 1);
d225a1e2
MN
2496 }
2497
afebe2f7 2498 h0->current_slice = 0;
12d96de3 2499 if (!s0->first_field)
f6e3c460 2500 s->current_picture_ptr= NULL;
66a4b2c1
MN
2501 }
2502
9963b332 2503 slice_type= get_ue_golomb_31(&s->gb);
0bf79634 2504 if(slice_type > 9){
9b879566 2505 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);
5175b937 2506 return -1;
0da71265 2507 }
0bf79634
LLL
2508 if(slice_type > 4){
2509 slice_type -= 5;
0da71265
MN
2510 h->slice_type_fixed=1;
2511 }else
2512 h->slice_type_fixed=0;
115329f1 2513
ee2a957f 2514 slice_type= golomb_to_pict_type[ slice_type ];
975a1447 2515 if (slice_type == AV_PICTURE_TYPE_I
afebe2f7 2516 || (h0->current_slice != 0 && slice_type == h0->last_slice_type) ) {
0bf79634
LLL
2517 default_ref_list_done = 1;
2518 }
2519 h->slice_type= slice_type;
e3e6f18f 2520 h->slice_type_nos= slice_type & 3;
0bf79634 2521
1412060e 2522 s->pict_type= h->slice_type; // to make a few old functions happy, it's wrong though
115329f1 2523
0da71265 2524 pps_id= get_ue_golomb(&s->gb);
ac658be5 2525 if(pps_id>=MAX_PPS_COUNT){
9b879566 2526 av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
0da71265
MN
2527 return -1;
2528 }
afebe2f7 2529 if(!h0->pps_buffers[pps_id]) {
a0f80050 2530 av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS %u referenced\n", pps_id);
8b92b792
MN
2531 return -1;
2532 }
afebe2f7 2533 h->pps= *h0->pps_buffers[pps_id];
8b92b792 2534
afebe2f7 2535 if(!h0->sps_buffers[h->pps.sps_id]) {
a0f80050 2536 av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS %u referenced\n", h->pps.sps_id);
8b92b792
MN
2537 return -1;
2538 }
afebe2f7 2539 h->sps = *h0->sps_buffers[h->pps.sps_id];
239ea04c 2540
fe9a3fbe 2541 s->avctx->profile = ff_h264_get_profile(&h->sps);
fa37cf0d 2542 s->avctx->level = h->sps.level_idc;
6752a3cc 2543 s->avctx->refs = h->sps.ref_frame_count;
b08e38e8 2544
50c21814 2545 if(h == h0 && h->dequant_coeff_pps != pps_id){
50eaa857 2546 h->dequant_coeff_pps = pps_id;
239ea04c
LM
2547 init_dequant_tables(h);
2548 }
115329f1 2549
0da71265 2550 s->mb_width= h->sps.mb_width;
6867a90b 2551 s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
115329f1 2552
bf4665ee 2553 h->b_stride= s->mb_width*4;
0da71265 2554
c9c49387 2555 s->width = 16*s->mb_width - (2>>CHROMA444)*FFMIN(h->sps.crop_right, (8<<CHROMA444)-1);
0da71265 2556 if(h->sps.frame_mbs_only_flag)
c9c49387 2557 s->height= 16*s->mb_height - (2>>CHROMA444)*FFMIN(h->sps.crop_bottom, (8<<CHROMA444)-1);
0da71265 2558 else
c9c49387 2559 s->height= 16*s->mb_height - (4>>CHROMA444)*FFMIN(h->sps.crop_bottom, (8<<CHROMA444)-1);
115329f1
DB
2560
2561 if (s->context_initialized
5388f0b4
JK
2562 && ( s->width != s->avctx->width || s->height != s->avctx->height
2563 || av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
6a9c8594
AS
2564 if(h != h0) {
2565 av_log_missing_feature(s->avctx, "Width/height changing with threads is", 0);
afebe2f7 2566 return -1; // width / height changed during parallelized decoding
6a9c8594 2567 }
91078926 2568 free_tables(h, 0);
ff7f75e1 2569 flush_dpb(s->avctx);
0da71265
MN
2570 MPV_common_end(s);
2571 }
2572 if (!s->context_initialized) {
33aec3f4
MN
2573 if (h != h0) {
2574 av_log(h->s.avctx, AV_LOG_ERROR, "Cannot (re-)initialize context during parallel decoding.\n");
2575 return -1;
2576 }
f3bdc3da
RD
2577
2578 avcodec_set_dimensions(s->avctx, s->width, s->height);
2579 s->avctx->sample_aspect_ratio= h->sps.sar;
cfa5a81e 2580 av_assert0(s->avctx->sample_aspect_ratio.den);
f3bdc3da 2581
b47904d1
FC
2582 h->s.avctx->coded_width = 16*s->mb_width;
2583 h->s.avctx->coded_height = 16*s->mb_height;
2584
c4dffe7e
DC
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
f3bdc3da 2594 if(h->sps.timing_info_present_flag){
3102d180 2595 int64_t den= h->sps.time_scale;
055a6aa7 2596 if(h->x264_build < 44U)
3102d180 2597 den *= 2;
f3bdc3da 2598 av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
3102d180 2599 h->sps.num_units_in_tick, den, 1<<30);
f3bdc3da 2600 }
d545cf80
OA
2601
2602 switch (h->sps.bit_depth_luma) {
2603 case 9 :
c9c49387 2604 s->avctx->pix_fmt = CHROMA444 ? PIX_FMT_YUV444P9 : PIX_FMT_YUV420P9;
d545cf80
OA
2605 break;
2606 case 10 :
c9c49387 2607 s->avctx->pix_fmt = CHROMA444 ? PIX_FMT_YUV444P10 : PIX_FMT_YUV420P10;
d545cf80
OA
2608 break;
2609 default:
c9c49387
JGG
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 }
d545cf80
OA
2620 }
2621
f3bdc3da
RD
2622 s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
2623
33aec3f4
MN
2624 if (MPV_common_init(s) < 0) {
2625 av_log(h->s.avctx, AV_LOG_ERROR, "MPV_common_init() failed.\n");
0da71265 2626 return -1;
33aec3f4 2627 }
12d96de3 2628 s->first_field = 0;
b19d493f 2629 h->prev_interlaced_frame = 1;
115329f1 2630
b41c1db3 2631 init_scan_tables(h);
903d58f6 2632 ff_h264_alloc_tables(h);
0da71265 2633
6a9c8594 2634 if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_SLICE)) {
33aec3f4
MN
2635 if (context_init(h) < 0) {
2636 av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
afebe2f7 2637 return -1;
33aec3f4 2638 }
6a9c8594
AS
2639 } else {
2640 for(i = 1; i < s->avctx->thread_count; i++) {
2641 H264Context *c;
2642 c = h->thread_context[i] = av_malloc(sizeof(H264Context));
2643 memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
2644 memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
2645 c->h264dsp = h->h264dsp;
2646 c->sps = h->sps;
2647 c->pps = h->pps;
2648 c->pixel_shift = h->pixel_shift;
2649 init_scan_tables(c);
2650 clone_tables(c, h, i);
2651 }
2652
2653 for(i = 0; i < s->avctx->thread_count; i++)
33aec3f4
MN
2654 if (context_init(h->thread_context[i]) < 0) {
2655 av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\n");
6a9c8594 2656 return -1;
33aec3f4 2657 }
6a9c8594 2658 }
0da71265
MN
2659 }
2660
0da71265
MN
2661 h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
2662
5d18eaad 2663 h->mb_mbaff = 0;
6ba71fc4 2664 h->mb_aff_frame = 0;
12d96de3 2665 last_pic_structure = s0->picture_structure;
0da71265
MN
2666 if(h->sps.frame_mbs_only_flag){
2667 s->picture_structure= PICT_FRAME;
2668 }else{
6ba71fc4 2669 if(get_bits1(&s->gb)) { //field_pic_flag
0da71265 2670 s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
6ba71fc4 2671 } else {
0da71265 2672 s->picture_structure= PICT_FRAME;
6ba71fc4 2673 h->mb_aff_frame = h->sps.mb_aff;
6867a90b 2674 }
0da71265 2675 }
44e9dcf1 2676 h->mb_field_decoding_flag= s->picture_structure != PICT_FRAME;
2ddcf84b
JD
2677
2678 if(h0->current_slice == 0){
6a9c8594
AS
2679 if(h->frame_num != h->prev_frame_num &&
2680 (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num) < (h->frame_num - h->sps.ref_frame_count))
2681 h->prev_frame_num = h->frame_num - h->sps.ref_frame_count - 1;
2682
26b86e47
MN
2683 while(h->frame_num != h->prev_frame_num &&
2684 h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
4dece8c7 2685 Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
bb943bb8 2686 av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
903d58f6 2687 if (ff_h264_frame_start(h) < 0)
66e6038c 2688 return -1;
26b86e47
MN
2689 h->prev_frame_num++;
2690 h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
2691 s->current_picture_ptr->frame_num= h->prev_frame_num;
6a9c8594
AS
2692 ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 0);
2693 ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 1);
3d542120
MN
2694 ff_generate_sliding_window_mmcos(h);
2695 ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
e2983d6e
JGG
2696 /* Error concealment: if a ref is missing, copy the previous ref in its place.
2697 * FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions
2698 * about there being no actual duplicates.
2699 * FIXME: this doesn't copy padding for out-of-frame motion vectors. Given we're
2700 * concealing a lost frame, this probably isn't noticable by comparison, but it should
2701 * be fixed. */
4dece8c7
JGG
2702 if (h->short_ref_count) {
2703 if (prev) {
2704 av_image_copy(h->short_ref[0]->data, h->short_ref[0]->linesize,
2705 (const uint8_t**)prev->data, prev->linesize,
5dd7f994 2706 s->avctx->pix_fmt, s->mb_width*16, s->mb_height*16);
4dece8c7
JGG
2707 h->short_ref[0]->poc = prev->poc+2;
2708 }
2709 h->short_ref[0]->frame_num = h->prev_frame_num;
2710 }
26b86e47
MN
2711 }
2712
12d96de3
JD
2713 /* See if we have a decoded first field looking for a pair... */
2714 if (s0->first_field) {
2715 assert(s0->current_picture_ptr);
2716 assert(s0->current_picture_ptr->data[0]);
2717 assert(s0->current_picture_ptr->reference != DELAYED_PIC_REF);
2718
2719 /* figure out if we have a complementary field pair */
2720 if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {
2721 /*
2722 * Previous field is unmatched. Don't display it, but let it
2723 * remain for reference if marked as such.
2724 */
2725 s0->current_picture_ptr = NULL;
2726 s0->first_field = FIELD_PICTURE;
2727
2728 } else {
2729 if (h->nal_ref_idc &&
2730 s0->current_picture_ptr->reference &&
2731 s0->current_picture_ptr->frame_num != h->frame_num) {
2732 /*
2733 * This and previous field were reference, but had
2734 * different frame_nums. Consider this field first in
2735 * pair. Throw away previous field except for reference
2736 * purposes.
2737 */
2738 s0->first_field = 1;
2739 s0->current_picture_ptr = NULL;
2740
2741 } else {
2742 /* Second field in complementary pair */
2743 s0->first_field = 0;
2744 }
2745 }
2746
2747 } else {
2748 /* Frame or first field in a potentially complementary pair */
2749 assert(!s0->current_picture_ptr);
2750 s0->first_field = FIELD_PICTURE;
2751 }
2752
6a9c8594
AS
2753 if(!FIELD_PICTURE || s0->first_field) {
2754 if (ff_h264_frame_start(h) < 0) {
2755 s0->first_field = 0;
2756 return -1;
2757 }
2758 } else {
2759 ff_release_unused_pictures(s, 0);
12d96de3 2760 }
2ddcf84b
JD
2761 }
2762 if(h != h0)
2763 clone_slice(h, h0);
2764
2765 s->current_picture_ptr->frame_num= h->frame_num; //FIXME frame_num cleanup
2766
88e7a4d1 2767 assert(s->mb_num == s->mb_width * s->mb_height);
f3e53d9f 2768 if(first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||
88e7a4d1
MN
2769 first_mb_in_slice >= s->mb_num){
2770 av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
6b53b87e
MN
2771 return -1;
2772 }
88e7a4d1 2773 s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
f3e53d9f
JD
2774 s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE;
2775 if (s->picture_structure == PICT_BOTTOM_FIELD)
2776 s->resync_mb_y = s->mb_y = s->mb_y + 1;
88e7a4d1 2777 assert(s->mb_y < s->mb_height);
115329f1 2778
0da71265
MN
2779 if(s->picture_structure==PICT_FRAME){
2780 h->curr_pic_num= h->frame_num;
2781 h->max_pic_num= 1<< h->sps.log2_max_frame_num;
2782 }else{
f57e2af6 2783 h->curr_pic_num= 2*h->frame_num + 1;
0da71265
MN
2784 h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
2785 }
115329f1 2786
0da71265 2787 if(h->nal_unit_type == NAL_IDR_SLICE){
1df1df0b 2788 get_ue_golomb(&s->gb); /* idr_pic_id */
0da71265 2789 }
115329f1 2790
0da71265
MN
2791 if(h->sps.poc_type==0){
2792 h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
115329f1 2793
0da71265
MN
2794 if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
2795 h->delta_poc_bottom= get_se_golomb(&s->gb);
2796 }
2797 }
115329f1 2798
0da71265
MN
2799 if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
2800 h->delta_poc[0]= get_se_golomb(&s->gb);
115329f1 2801
0da71265
MN
2802 if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
2803 h->delta_poc[1]= get_se_golomb(&s->gb);
2804 }
115329f1 2805
0da71265 2806 init_poc(h);
115329f1 2807
0da71265
MN
2808 if(h->pps.redundant_pic_cnt_present){
2809 h->redundant_pic_count= get_ue_golomb(&s->gb);
2810 }
2811
1412060e 2812 //set defaults, might be overridden a few lines later
0da71265
MN
2813 h->ref_count[0]= h->pps.ref_count[0];
2814 h->ref_count[1]= h->pps.ref_count[1];
2815
975a1447
SS
2816 if(h->slice_type_nos != AV_PICTURE_TYPE_I){
2817 if(h->slice_type_nos == AV_PICTURE_TYPE_B){
0da71265
MN
2818 h->direct_spatial_mv_pred= get_bits1(&s->gb);
2819 }
2820 num_ref_idx_active_override_flag= get_bits1(&s->gb);
115329f1 2821
0da71265
MN
2822 if(num_ref_idx_active_override_flag){
2823 h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
975a1447 2824 if(h->slice_type_nos==AV_PICTURE_TYPE_B)
0da71265
MN
2825 h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
2826
187696fa 2827 if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
9b879566 2828 av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
88e7a4d1 2829 h->ref_count[0]= h->ref_count[1]= 1;
0da71265
MN
2830 return -1;
2831 }
2832 }
975a1447 2833 if(h->slice_type_nos == AV_PICTURE_TYPE_B)
187696fa
MN
2834 h->list_count= 2;
2835 else
2836 h->list_count= 1;
2837 }else
2838 h->list_count= 0;
0da71265 2839
0bf79634 2840 if(!default_ref_list_done){
ea6f00c4 2841 ff_h264_fill_default_ref_list(h);
0da71265
MN
2842 }
2843
975a1447 2844 if(h->slice_type_nos!=AV_PICTURE_TYPE_I && ff_h264_decode_ref_pic_list_reordering(h) < 0)
806bb93f 2845 return -1;
0da71265 2846
975a1447 2847 if(h->slice_type_nos!=AV_PICTURE_TYPE_I){
07dff5c7 2848 s->last_picture_ptr= &h->ref_list[0][0];
8d2fc163 2849 ff_copy_picture(&s->last_picture, s->last_picture_ptr);
07dff5c7 2850 }
975a1447 2851 if(h->slice_type_nos==AV_PICTURE_TYPE_B){
07dff5c7 2852 s->next_picture_ptr= &h->ref_list[1][0];
8d2fc163 2853 ff_copy_picture(&s->next_picture, s->next_picture_ptr);
07dff5c7
MN
2854 }
2855
975a1447
SS
2856 if( (h->pps.weighted_pred && h->slice_type_nos == AV_PICTURE_TYPE_P )
2857 || (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== AV_PICTURE_TYPE_B ) )
0da71265 2858 pred_weight_table(h);
975a1447 2859 else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== AV_PICTURE_TYPE_B){
1052b76f 2860 implicit_weight_table(h, -1);
1a29c6a0 2861 }else {
9f2d1b4f 2862 h->use_weight = 0;
cb99c652
GB
2863 for (i = 0; i < 2; i++) {
2864 h->luma_weight_flag[i] = 0;
2865 h->chroma_weight_flag[i] = 0;
2866 }
2867 }
115329f1 2868
2ddcf84b 2869 if(h->nal_ref_idc)
ea6f00c4 2870 ff_h264_decode_ref_pic_marking(h0, &s->gb);
0da71265 2871
1052b76f 2872 if(FRAME_MBAFF){
ea6f00c4 2873 ff_h264_fill_mbaff_ref_list(h);
5d18eaad 2874
975a1447 2875 if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== AV_PICTURE_TYPE_B){
1052b76f
MN
2876 implicit_weight_table(h, 0);
2877 implicit_weight_table(h, 1);
2878 }
2879 }
2880
975a1447 2881 if(h->slice_type_nos==AV_PICTURE_TYPE_B && !h->direct_spatial_mv_pred)
943f69a6
MN
2882 ff_h264_direct_dist_scale_factor(h);
2883 ff_h264_direct_ref_list_init(h);
8f56e219 2884
975a1447 2885 if( h->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac ){
9963b332 2886 tmp = get_ue_golomb_31(&s->gb);
88e7a4d1
MN
2887 if(tmp > 2){
2888 av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
2889 return -1;
2890 }
2891 h->cabac_init_idc= tmp;
2892 }
e5017ab8
LA
2893
2894 h->last_qscale_diff = 0;
88e7a4d1 2895 tmp = h->pps.init_qp + get_se_golomb(&s->gb);
fcc0224e 2896 if(tmp>51+6*(h->sps.bit_depth_luma-8)){
88e7a4d1 2897 av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
3ebc7e04
MN
2898 return -1;
2899 }
88e7a4d1 2900 s->qscale= tmp;
4691a77d
2901 h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
2902 h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
0da71265 2903 //FIXME qscale / qp ... stuff
975a1447 2904 if(h->slice_type == AV_PICTURE_TYPE_SP){
1df1df0b 2905 get_bits1(&s->gb); /* sp_for_switch_flag */
0da71265 2906 }
975a1447 2907 if(h->slice_type==AV_PICTURE_TYPE_SP || h->slice_type == AV_PICTURE_TYPE_SI){
1df1df0b 2908 get_se_golomb(&s->gb); /* slice_qs_delta */
0da71265
MN
2909 }
2910
53c05b1e 2911 h->deblocking_filter = 1;
0c32e19d
MN
2912 h->slice_alpha_c0_offset = 52;
2913 h->slice_beta_offset = 52;
0da71265 2914 if( h->pps.deblocking_filter_parameters_present ) {
9963b332 2915 tmp= get_ue_golomb_31(&s->gb);
88e7a4d1
MN
2916 if(tmp > 2){
2917 av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
2918 return -1;
2919 }
2920 h->deblocking_filter= tmp;
115329f1 2921 if(h->deblocking_filter < 2)
53c05b1e
MN
2922 h->deblocking_filter^= 1; // 1<->0
2923
2924 if( h->deblocking_filter ) {
0c32e19d
MN
2925 h->slice_alpha_c0_offset += get_se_golomb(&s->gb) << 1;
2926 h->slice_beta_offset += get_se_golomb(&s->gb) << 1;
2927 if( h->slice_alpha_c0_offset > 104U
2928 || h->slice_beta_offset > 104U){
2929 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);
2930 return -1;
2931 }
0da71265 2932 }
980a82b7 2933 }
afebe2f7 2934
61858a76 2935 if( s->avctx->skip_loop_filter >= AVDISCARD_ALL
975a1447
SS
2936 ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type_nos != AV_PICTURE_TYPE_I)
2937 ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type_nos == AV_PICTURE_TYPE_B)
61858a76
RD
2938 ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
2939 h->deblocking_filter= 0;
2940
afebe2f7 2941 if(h->deblocking_filter == 1 && h0->max_contexts > 1) {
ec970c21
2942 if(s->avctx->flags2 & CODEC_FLAG2_FAST) {
2943 /* Cheat slightly for speed:
5d81d641 2944 Do not bother to deblock across slices. */
ec970c21
2945 h->deblocking_filter = 2;
2946 } else {
7ae94d52
2947 h0->max_contexts = 1;
2948 if(!h0->single_decode_warning) {
2949 av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
2950 h0->single_decode_warning = 1;
2951 }
33aec3f4
MN
2952 if (h != h0) {
2953 av_log(h->s.avctx, AV_LOG_ERROR, "Deblocking switched inside frame.\n");
2954 return 1;
2955 }
ec970c21 2956 }
afebe2f7 2957 }
0c32e19d 2958 h->qp_thresh= 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]);
afebe2f7 2959
0da71265
MN
2960#if 0 //FMO
2961 if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
2962 slice_group_change_cycle= get_bits(&s->gb, ?);
2963#endif
2964
afebe2f7
2965 h0->last_slice_type = slice_type;
2966 h->slice_num = ++h0->current_slice;
b735aeea
MN
2967 if(h->slice_num >= MAX_SLICES){
2968 av_log(s->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n");
2969 }
5175b937 2970
c32867b5 2971 for(j=0; j<2; j++){
6d7e6b26 2972 int id_list[16];
b735aeea 2973 int *ref2frm= h->ref2frm[h->slice_num&(MAX_SLICES-1)][j];
6d7e6b26
MN
2974 for(i=0; i<16; i++){
2975 id_list[i]= 60;
2976 if(h->ref_list[j][i].data[0]){
2977 int k;
2978 uint8_t *base= h->ref_list[j][i].base[0];
2979 for(k=0; k<h->short_ref_count; k++)
2980 if(h->short_ref[k]->base[0] == base){
2981 id_list[i]= k;
2982 break;
2983 }
2984 for(k=0; k<h->long_ref_count; k++)
2985 if(h->long_ref[k] && h->long_ref[k]->base[0] == base){
2986 id_list[i]= h->short_ref_count + k;
2987 break;
2988 }
2989 }
2990 }
2991
c32867b5
MN
2992 ref2frm[0]=
2993 ref2frm[1]= -1;
d50cdd82 2994 for(i=0; i<16; i++)
6d7e6b26 2995 ref2frm[i+2]= 4*id_list[i]
c32867b5 2996 +(h->ref_list[j][i].reference&3);
d50cdd82
MN
2997 ref2frm[18+0]=
2998 ref2frm[18+1]= -1;
2999 for(i=16; i<48; i++)
6d7e6b26 3000 ref2frm[i+4]= 4*id_list[(i-16)>>1]
d50cdd82 3001 +(h->ref_list[j][i].reference&3);
c32867b5
MN
3002 }
3003
6a9c8594
AS
3004 //FIXME: fix draw_edges+PAFF+frame threads
3005 h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE || (!h->sps.frame_mbs_only_flag && s->avctx->active_thread_type)) ? 0 : 16;
8a11a969 3006 h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
5d18eaad 3007
0da71265 3008 if(s->avctx->debug&FF_DEBUG_PICT_INFO){
49573a87 3009 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",
6867a90b
LLL
3010 h->slice_num,
3011 (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
115329f1 3012 first_mb_in_slice,
6209669d 3013 av_get_picture_type_char(h->slice_type), h->slice_type_fixed ? " fix" : "", h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
0da71265
MN
3014 pps_id, h->frame_num,
3015 s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
3016 h->ref_count[0], h->ref_count[1],
3017 s->qscale,
0c32e19d 3018 h->deblocking_filter, h->slice_alpha_c0_offset/2-26, h->slice_beta_offset/2-26,
9f2d1b4f 3019 h->use_weight,
4806b922 3020 h->use_weight==1 && h->use_weight_chroma ? "c" : "",
975a1447 3021 h->slice_type == AV_PICTURE_TYPE_B ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""
0da71265
MN
3022 );
3023 }
3024
3025 return 0;
3026}
3027
0dc343d4 3028int ff_h264_get_slice_type(const H264Context *h)
75dd6938
LA
3029{
3030 switch (h->slice_type) {
975a1447
SS
3031 case AV_PICTURE_TYPE_P: return 0;
3032 case AV_PICTURE_TYPE_B: return 1;
3033 case AV_PICTURE_TYPE_I: return 2;
3034 case AV_PICTURE_TYPE_SP: return 3;
3035 case AV_PICTURE_TYPE_SI: return 4;
75dd6938
LA
3036 default: return -1;
3037 }
3038}
3039
d02bb3ec
DB
3040/**
3041 *
3042 * @return non zero if the loop filter can be skiped
3043 */
3044static int fill_filter_caches(H264Context *h, int mb_type){
3045 MpegEncContext * const s = &h->s;
3046 const int mb_xy= h->mb_xy;
3047 int top_xy, left_xy[2];
3048 int top_type, left_type[2];
3049
3050 top_xy = mb_xy - (s->mb_stride << MB_FIELD);
3051
3052 //FIXME deblocking could skip the intra and nnz parts.
3053
3054 /* Wow, what a mess, why didn't they simplify the interlacing & intra
3055 * stuff, I can't imagine that these complex rules are worth it. */
3056
3057 left_xy[1] = left_xy[0] = mb_xy-1;
3058 if(FRAME_MBAFF){
3059 const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
3060 const int curr_mb_field_flag = IS_INTERLACED(mb_type);
3061 if(s->mb_y&1){
3062 if (left_mb_field_flag != curr_mb_field_flag) {
3063 left_xy[0] -= s->mb_stride;
3064 }
3065 }else{
3066 if(curr_mb_field_flag){
3067 top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
3068 }
3069 if (left_mb_field_flag != curr_mb_field_flag) {
3070 left_xy[1] += s->mb_stride;
3071 }
3072 }
3073 }
3074
3075 h->top_mb_xy = top_xy;
3076 h->left_mb_xy[0] = left_xy[0];
3077 h->left_mb_xy[1] = left_xy[1];
3078 {
3079 //for sufficiently low qp, filtering wouldn't do anything
3080 //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
3081 int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice
3082 int qp = s->current_picture.qscale_table[mb_xy];
3083 if(qp <= qp_thresh
3084 && (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
3085 && (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
3086 if(!FRAME_MBAFF)
3087 return 1;
3088 if( (left_xy[0]< 0 || ((qp + s->current_picture.qscale_table[left_xy[1] ] + 1)>>1) <= qp_thresh)
3089 && (top_xy < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy -s->mb_stride] + 1)>>1) <= qp_thresh))
3090 return 1;
3091 }
3092 }
3093
3094 top_type = s->current_picture.mb_type[top_xy] ;
3095 left_type[0] = s->current_picture.mb_type[left_xy[0]];
3096 left_type[1] = s->current_picture.mb_type[left_xy[1]];
3097 if(h->deblocking_filter == 2){
3098 if(h->slice_table[top_xy ] != h->slice_num) top_type= 0;
3099 if(h->slice_table[left_xy[0] ] != h->slice_num) left_type[0]= left_type[1]= 0;
3100 }else{
3101 if(h->slice_table[top_xy ] == 0xFFFF) top_type= 0;
3102 if(h->slice_table[left_xy[0] ] == 0xFFFF) left_type[0]= left_type[1] =0;
3103 }
3104 h->top_type = top_type ;
3105 h->left_type[0]= left_type[0];
3106 h->left_type[1]= left_type[1];
3107
3108 if(IS_INTRA(mb_type))
3109 return 0;
3110
c9c49387
JGG
3111 AV_COPY32(&h->non_zero_count_cache[4+8* 1], &h->non_zero_count[mb_xy][ 0]);
3112 AV_COPY32(&h->non_zero_count_cache[4+8* 2], &h->non_zero_count[mb_xy][ 4]);
3113 AV_COPY32(&h->non_zero_count_cache[4+8* 3], &h->non_zero_count[mb_xy][ 8]);
3114 AV_COPY32(&h->non_zero_count_cache[4+8* 4], &h->non_zero_count[mb_xy][12]);
d02bb3ec
DB
3115
3116 h->cbp= h->cbp_table[mb_xy];
3117
3118 {
3119 int list;
3120 for(list=0; list<h->list_count; list++){
3121 int8_t *ref;
3122 int y, b_stride;
3123 int16_t (*mv_dst)[2];
3124 int16_t (*mv_src)[2];
3125
3126 if(!USES_LIST(mb_type, list)){
3127 fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
3128 AV_WN32A(&h->ref_cache[list][scan8[ 0]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
3129 AV_WN32A(&h->ref_cache[list][scan8[ 2]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
3130 AV_WN32A(&h->ref_cache[list][scan8[ 8]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
3131 AV_WN32A(&h->ref_cache[list][scan8[10]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
3132 continue;
3133 }
3134
3135 ref = &s->current_picture.ref_index[list][4*mb_xy];
3136 {
3137 int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
3138 AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
3139 AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
3140 ref += 2;
3141 AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
3142 AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
3143 }
3144
3145 b_stride = h->b_stride;
3146 mv_dst = &h->mv_cache[list][scan8[0]];
3147 mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
3148 for(y=0; y<4; y++){
3149 AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
3150 }
3151
3152 }
3153 }
3154
3155
3156/*
31570 . T T. T T T T
31581 L . .L . . . .
31592 L . .L . . . .
31603 . T TL . . . .
31614 L . .L . . . .
31625 L . .. . . . .
3163*/
3164//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
3165 if(top_type){
c9c49387 3166 AV_COPY32(&h->non_zero_count_cache[4+8*0], &h->non_zero_count[top_xy][3*4]);
d02bb3ec
DB
3167 }
3168
3169 if(left_type[0]){
c9c49387
JGG
3170 h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][3+0*4];
3171 h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][3+1*4];
3172 h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[0]][3+2*4];
3173 h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[0]][3+3*4];
d02bb3ec
DB
3174 }
3175
3176 // CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
3177 if(!CABAC && h->pps.transform_8x8_mode){
3178 if(IS_8x8DCT(top_type)){
3179 h->non_zero_count_cache[4+8*0]=
c9c49387 3180 h->non_zero_count_cache[5+8*0]= (h->cbp_table[top_xy] & 0x4000) >> 12;
d02bb3ec 3181 h->non_zero_count_cache[6+8*0]=
c9c49387 3182 h->non_zero_count_cache[7+8*0]= (h->cbp_table[top_xy] & 0x8000) >> 12;
d02bb3ec
DB
3183 }
3184 if(IS_8x8DCT(left_type[0])){
3185 h->non_zero_count_cache[3+8*1]=
c9c49387 3186 h->non_zero_count_cache[3+8*2]= (h->cbp_table[left_xy[0]]&0x2000) >> 12; //FIXME check MBAFF
d02bb3ec
DB
3187 }
3188 if(IS_8x8DCT(left_type[1])){
3189 h->non_zero_count_cache[3+8*3]=
c9c49387 3190 h->non_zero_count_cache[3+8*4]= (h->cbp_table[left_xy[1]]&0x8000) >> 12; //FIXME check MBAFF
d02bb3ec
DB
3191 }
3192
3193 if(IS_8x8DCT(mb_type)){
3194 h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=
c9c49387 3195 h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= (h->cbp & 0x1000) >> 12;
d02bb3ec
DB
3196
3197 h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
c9c49387 3198 h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= (h->cbp & 0x2000) >> 12;
d02bb3ec
DB
3199
3200 h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
c9c49387 3201 h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= (h->cbp & 0x4000) >> 12;
d02bb3ec
DB
3202
3203 h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
c9c49387 3204 h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= (h->cbp & 0x8000) >> 12;
d02bb3ec
DB
3205 }
3206 }
3207
3208 if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
3209 int list;
3210 for(list=0; list<h->list_count; list++){
3211 if(USES_LIST(top_type, list)){
3212 const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
3213 const int b8_xy= 4*top_xy + 2;
3214 int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
3215 AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
3216 h->ref_cache[list][scan8[0] + 0 - 1*8]=
3217 h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]];
3218 h->ref_cache[list][scan8[0] + 2 - 1*8]=
3219 h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
3220 }else{
3221 AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
3222 AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((LIST_NOT_USED)&0xFF)*0x01010101u);
3223 }
3224
3225 if(!IS_INTERLACED(mb_type^left_type[0])){
3226 if(USES_LIST(left_type[0], list)){
3227 const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
3228 const int b8_xy= 4*left_xy[0] + 1;
3229 int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
3230 AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]);
3231 AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]);
3232 AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]);
3233 AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]);
3234 h->ref_cache[list][scan8[0] - 1 + 0 ]=
3235 h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]];
3236 h->ref_cache[list][scan8[0] - 1 +16 ]=
3237 h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]];
3238 }else{
3239 AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]);
3240 AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]);
3241 AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +16 ]);
3242 AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +24 ]);
3243 h->ref_cache[list][scan8[0] - 1 + 0 ]=
3244 h->ref_cache[list][scan8[0] - 1 + 8 ]=
3245 h->ref_cache[list][scan8[0] - 1 + 16 ]=
3246 h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED;
3247 }
3248 }
3249 }
3250 }
3251
3252 return 0;
3253}
3254
0ffc8415 3255static void loop_filter(H264Context *h, int start_x, int end_x){
c988f975
MN
3256 MpegEncContext * const s = &h->s;
3257 uint8_t *dest_y, *dest_cb, *dest_cr;
3258 int linesize, uvlinesize, mb_x, mb_y;
3259 const int end_mb_y= s->mb_y + FRAME_MBAFF;
3260 const int old_slice_type= h->slice_type;
6e3ef511 3261 const int pixel_shift = h->pixel_shift;
c988f975
MN
3262
3263 if(h->deblocking_filter) {
0ffc8415 3264 for(mb_x= start_x; mb_x<end_x; mb_x++){
c988f975 3265 for(mb_y=end_mb_y - FRAME_MBAFF; mb_y<= end_mb_y; mb_y++){
78998bf2 3266 int mb_xy, mb_type;
c988f975
MN
3267 mb_xy = h->mb_xy = mb_x + mb_y*s->mb_stride;
3268 h->slice_num= h->slice_table[mb_xy];
3269 mb_type= s->current_picture.mb_type[mb_xy];
3270 h->list_count= h->list_counts[mb_xy];
c988f975
MN
3271
3272 if(FRAME_MBAFF)
3273 h->mb_mbaff = h->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
3274
c988f975
MN
3275 s->mb_x= mb_x;
3276 s->mb_y= mb_y;
6e3ef511 3277 dest_y = s->current_picture.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
c9c49387
JGG
3278 dest_cb = s->current_picture.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * (8 << CHROMA444);
3279 dest_cr = s->current_picture.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * (8 << CHROMA444);
c988f975
MN
3280 //FIXME simplify above
3281
3282 if (MB_FIELD) {
3283 linesize = h->mb_linesize = s->linesize * 2;
3284 uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
3285 if(mb_y&1){ //FIXME move out of this function?
3286 dest_y -= s->linesize*15;
3287 dest_cb-= s->uvlinesize*7;
3288 dest_cr-= s->uvlinesize*7;
3289 }
3290 } else {
3291 linesize = h->mb_linesize = s->linesize;
3292 uvlinesize = h->mb_uvlinesize = s->uvlinesize;
3293 }
c9c49387 3294 backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, CHROMA444, 0);
aaa995d7 3295 if(fill_filter_caches(h, mb_type))
44a5e7b6 3296 continue;
c988f975
MN
3297 h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]);
3298 h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]);
3299
77d40dce 3300 if (FRAME_MBAFF) {
c988f975
MN
3301 ff_h264_filter_mb (h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3302 } else {
3303 ff_h264_filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3304 }
3305 }
3306 }
3307 }
3308 h->slice_type= old_slice_type;