mpeg2_fast_decode_block_intra()
[libav.git] / libavcodec / h264.c
<
CommitLineData
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1/*
2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
20
21/**
22 * @file h264.c
23 * H.264 / AVC / MPEG4 part10 codec.
24 * @author Michael Niedermayer <michaelni@gmx.at>
25 */
26
27#include "common.h"
28#include "dsputil.h"
29#include "avcodec.h"
30#include "mpegvideo.h"
31#include "h264data.h"
32#include "golomb.h"
33
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34#include "cabac.h"
35
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36#undef NDEBUG
37#include <assert.h>
38
39#define interlaced_dct interlaced_dct_is_a_bad_name
40#define mb_intra mb_intra_isnt_initalized_see_mb_type
41
42#define LUMA_DC_BLOCK_INDEX 25
43#define CHROMA_DC_BLOCK_INDEX 26
44
45#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
46#define COEFF_TOKEN_VLC_BITS 8
47#define TOTAL_ZEROS_VLC_BITS 9
48#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
49#define RUN_VLC_BITS 3
50#define RUN7_VLC_BITS 6
51
52#define MAX_SPS_COUNT 32
53#define MAX_PPS_COUNT 256
54
55#define MAX_MMCO_COUNT 66
56
57/**
58 * Sequence parameter set
59 */
60typedef struct SPS{
61
62 int profile_idc;
63 int level_idc;
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64 int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4
65 int poc_type; ///< pic_order_cnt_type
66 int log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4
67 int delta_pic_order_always_zero_flag;
68 int offset_for_non_ref_pic;
69 int offset_for_top_to_bottom_field;
70 int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle
71 int ref_frame_count; ///< num_ref_frames
a15e68de 72 int gaps_in_frame_num_allowed_flag;
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73 int mb_width; ///< frame_width_in_mbs_minus1 + 1
74 int mb_height; ///< frame_height_in_mbs_minus1 + 1
75 int frame_mbs_only_flag;
76 int mb_aff; ///<mb_adaptive_frame_field_flag
77 int direct_8x8_inference_flag;
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78 int crop; ///< frame_cropping_flag
79 int crop_left; ///< frame_cropping_rect_left_offset
80 int crop_right; ///< frame_cropping_rect_right_offset
81 int crop_top; ///< frame_cropping_rect_top_offset
82 int crop_bottom; ///< frame_cropping_rect_bottom_offset
0da71265 83 int vui_parameters_present_flag;
5ff85f1d 84 AVRational sar;
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85 int timing_info_present_flag;
86 uint32_t num_units_in_tick;
87 uint32_t time_scale;
88 int fixed_frame_rate_flag;
0da71265 89 short offset_for_ref_frame[256]; //FIXME dyn aloc?
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90 int bitstream_restriction_flag;
91 int num_reorder_frames;
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92}SPS;
93
94/**
95 * Picture parameter set
96 */
97typedef struct PPS{
98 int sps_id;
99 int cabac; ///< entropy_coding_mode_flag
100 int pic_order_present; ///< pic_order_present_flag
101 int slice_group_count; ///< num_slice_groups_minus1 + 1
102 int mb_slice_group_map_type;
103 int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1
104 int weighted_pred; ///< weighted_pred_flag
105 int weighted_bipred_idc;
106 int init_qp; ///< pic_init_qp_minus26 + 26
107 int init_qs; ///< pic_init_qs_minus26 + 26
108 int chroma_qp_index_offset;
109 int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
110 int constrained_intra_pred; ///< constrained_intra_pred_flag
111 int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
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112}PPS;
113
114/**
115 * Memory management control operation opcode.
116 */
117typedef enum MMCOOpcode{
118 MMCO_END=0,
119 MMCO_SHORT2UNUSED,
120 MMCO_LONG2UNUSED,
121 MMCO_SHORT2LONG,
122 MMCO_SET_MAX_LONG,
123 MMCO_RESET,
124 MMCO_LONG,
125} MMCOOpcode;
126
127/**
128 * Memory management control operation.
129 */
130typedef struct MMCO{
131 MMCOOpcode opcode;
132 int short_frame_num;
133 int long_index;
134} MMCO;
135
136/**
137 * H264Context
138 */
139typedef struct H264Context{
140 MpegEncContext s;
141 int nal_ref_idc;
142 int nal_unit_type;
143#define NAL_SLICE 1
144#define NAL_DPA 2
145#define NAL_DPB 3
146#define NAL_DPC 4
147#define NAL_IDR_SLICE 5
148#define NAL_SEI 6
149#define NAL_SPS 7
150#define NAL_PPS 8
151#define NAL_PICTURE_DELIMITER 9
152#define NAL_FILTER_DATA 10
153 uint8_t *rbsp_buffer;
154 int rbsp_buffer_size;
155
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156 /**
157 * Used to parse AVC variant of h264
158 */
159 int is_avc; ///< this flag is != 0 if codec is avc1
160 int got_avcC; ///< flag used to parse avcC data only once
161 int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
162
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163 int chroma_qp; //QPc
164
165 int prev_mb_skiped; //FIXME remove (IMHO not used)
166
167 //prediction stuff
168 int chroma_pred_mode;
169 int intra16x16_pred_mode;
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170
171 int top_mb_xy;
172 int left_mb_xy[2];
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173
174 int8_t intra4x4_pred_mode_cache[5*8];
175 int8_t (*intra4x4_pred_mode)[8];
176 void (*pred4x4 [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
177 void (*pred8x8 [4+3])(uint8_t *src, int stride);
178 void (*pred16x16[4+3])(uint8_t *src, int stride);
179 unsigned int topleft_samples_available;
180 unsigned int top_samples_available;
181 unsigned int topright_samples_available;
182 unsigned int left_samples_available;
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183 uint8_t (*top_borders[2])[16+2*8];
184 uint8_t left_border[2*(17+2*9)];
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185
186 /**
187 * non zero coeff count cache.
188 * is 64 if not available.
189 */
bd9ea6a4 190 uint8_t non_zero_count_cache[6*8] __align8;
53c05b1e 191 uint8_t (*non_zero_count)[16];
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192
193 /**
194 * Motion vector cache.
195 */
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196 int16_t mv_cache[2][5*8][2] __align8;
197 int8_t ref_cache[2][5*8] __align8;
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198#define LIST_NOT_USED -1 //FIXME rename?
199#define PART_NOT_AVAILABLE -2
200
201 /**
202 * is 1 if the specific list MV&references are set to 0,0,-2.
203 */
204 int mv_cache_clean[2];
205
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206 /**
207 * block_offset[ 0..23] for frame macroblocks
208 * block_offset[24..47] for field macroblocks
209 */
210 int block_offset[2*(16+8)];
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211
212 uint16_t *mb2b_xy; //FIXME are these 4 a good idea?
213 uint16_t *mb2b8_xy;
650cec0c 214 int b_stride; //FIXME use s->b4_stride
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215 int b8_stride;
216
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217 int halfpel_flag;
218 int thirdpel_flag;
219
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220 int unknown_svq3_flag;
221 int next_slice_index;
222
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223 SPS sps_buffer[MAX_SPS_COUNT];
224 SPS sps; ///< current sps
225
226 PPS pps_buffer[MAX_PPS_COUNT];
227 /**
228 * current pps
229 */
230 PPS pps; //FIXME move tp Picture perhaps? (->no) do we need that?
231
232 int slice_num;
233 uint8_t *slice_table_base;
234 uint8_t *slice_table; ///< slice_table_base + mb_stride + 1
235 int slice_type;
236 int slice_type_fixed;
237
238 //interlacing specific flags
6ba71fc4 239 int mb_aff_frame;
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240 int mb_field_decoding_flag;
241
242 int sub_mb_type[4];
243
244 //POC stuff
245 int poc_lsb;
246 int poc_msb;
247 int delta_poc_bottom;
248 int delta_poc[2];
249 int frame_num;
250 int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
251 int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
252 int frame_num_offset; ///< for POC type 2
253 int prev_frame_num_offset; ///< for POC type 2
254 int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
255
256 /**
257 * frame_num for frames or 2*frame_num for field pics.
258 */
259 int curr_pic_num;
260
261 /**
262 * max_frame_num or 2*max_frame_num for field pics.
263 */
264 int max_pic_num;
265
266 //Weighted pred stuff
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267 int use_weight;
268 int use_weight_chroma;
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269 int luma_log2_weight_denom;
270 int chroma_log2_weight_denom;
271 int luma_weight[2][16];
272 int luma_offset[2][16];
273 int chroma_weight[2][16][2];
274 int chroma_offset[2][16][2];
9f2d1b4f 275 int implicit_weight[16][16];
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276
277 //deblock
53c05b1e 278 int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
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279 int slice_alpha_c0_offset;
280 int slice_beta_offset;
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281
282 int redundant_pic_count;
283
284 int direct_spatial_mv_pred;
5ad984c9 285 int dist_scale_factor[16];
2f944356 286 int map_col_to_list0[2][16];
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287
288 /**
289 * num_ref_idx_l0/1_active_minus1 + 1
290 */
291 int ref_count[2];// FIXME split for AFF
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292 Picture *short_ref[32];
293 Picture *long_ref[32];
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294 Picture default_ref_list[2][32];
295 Picture ref_list[2][32]; //FIXME size?
296 Picture field_ref_list[2][32]; //FIXME size?
a4dae92b 297 Picture *delayed_pic[16]; //FIXME size?
4e4d983e 298 Picture *delayed_output_pic;
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299
300 /**
301 * memory management control operations buffer.
302 */
303 MMCO mmco[MAX_MMCO_COUNT];
304 int mmco_index;
305
306 int long_ref_count; ///< number of actual long term references
307 int short_ref_count; ///< number of actual short term references
308
309 //data partitioning
310 GetBitContext intra_gb;
311 GetBitContext inter_gb;
312 GetBitContext *intra_gb_ptr;
313 GetBitContext *inter_gb_ptr;
314
315 DCTELEM mb[16*24] __align8;
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316
317 /**
318 * Cabac
319 */
320 CABACContext cabac;
321 uint8_t cabac_state[399];
322 int cabac_init_idc;
323
324 /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
325 uint16_t *cbp_table;
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326 int top_cbp;
327 int left_cbp;
693399ba 328 /* chroma_pred_mode for i4x4 or i16x16, else 0 */
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329 uint8_t *chroma_pred_mode_table;
330 int last_qscale_diff;
9e528114 331 int16_t (*mvd_table[2])[2];
bd9ea6a4 332 int16_t mvd_cache[2][5*8][2] __align8;
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333 uint8_t *direct_table;
334 uint8_t direct_cache[5*8];
e5017ab8 335
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336}H264Context;
337
338static VLC coeff_token_vlc[4];
339static VLC chroma_dc_coeff_token_vlc;
340
341static VLC total_zeros_vlc[15];
342static VLC chroma_dc_total_zeros_vlc[3];
343
344static VLC run_vlc[6];
345static VLC run7_vlc;
346
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347static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
348static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
6ba71fc4 349static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
8b82a956 350
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351static inline uint32_t pack16to32(int a, int b){
352#ifdef WORDS_BIGENDIAN
353 return (b&0xFFFF) + (a<<16);
354#else
355 return (a&0xFFFF) + (b<<16);
356#endif
357}
358
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359/**
360 * fill a rectangle.
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361 * @param h height of the rectangle, should be a constant
362 * @param w width of the rectangle, should be a constant
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363 * @param size the size of val (1 or 4), should be a constant
364 */
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365static inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){ //FIXME ensure this IS inlined
366 uint8_t *p= (uint8_t*)vp;
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367 assert(size==1 || size==4);
368
369 w *= size;
370 stride *= size;
371
bd9ea6a4 372 assert((((int)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
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373//FIXME check what gcc generates for 64 bit on x86 and possible write a 32 bit ver of it
374 if(w==2 && h==2){
375 *(uint16_t*)(p + 0)=
376 *(uint16_t*)(p + stride)= size==4 ? val : val*0x0101;
377 }else if(w==2 && h==4){
378 *(uint16_t*)(p + 0*stride)=
379 *(uint16_t*)(p + 1*stride)=
380 *(uint16_t*)(p + 2*stride)=
381 *(uint16_t*)(p + 3*stride)= size==4 ? val : val*0x0101;
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382 }else if(w==4 && h==1){
383 *(uint32_t*)(p + 0*stride)= size==4 ? val : val*0x01010101;
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384 }else if(w==4 && h==2){
385 *(uint32_t*)(p + 0*stride)=
386 *(uint32_t*)(p + 1*stride)= size==4 ? val : val*0x01010101;
387 }else if(w==4 && h==4){
388 *(uint32_t*)(p + 0*stride)=
389 *(uint32_t*)(p + 1*stride)=
390 *(uint32_t*)(p + 2*stride)=
391 *(uint32_t*)(p + 3*stride)= size==4 ? val : val*0x01010101;
392 }else if(w==8 && h==1){
393 *(uint32_t*)(p + 0)=
394 *(uint32_t*)(p + 4)= size==4 ? val : val*0x01010101;
395 }else if(w==8 && h==2){
396 *(uint32_t*)(p + 0 + 0*stride)=
397 *(uint32_t*)(p + 4 + 0*stride)=
398 *(uint32_t*)(p + 0 + 1*stride)=
399 *(uint32_t*)(p + 4 + 1*stride)= size==4 ? val : val*0x01010101;
400 }else if(w==8 && h==4){
401 *(uint64_t*)(p + 0*stride)=
402 *(uint64_t*)(p + 1*stride)=
403 *(uint64_t*)(p + 2*stride)=
404 *(uint64_t*)(p + 3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
405 }else if(w==16 && h==2){
406 *(uint64_t*)(p + 0+0*stride)=
407 *(uint64_t*)(p + 8+0*stride)=
408 *(uint64_t*)(p + 0+1*stride)=
409 *(uint64_t*)(p + 8+1*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
410 }else if(w==16 && h==4){
411 *(uint64_t*)(p + 0+0*stride)=
412 *(uint64_t*)(p + 8+0*stride)=
413 *(uint64_t*)(p + 0+1*stride)=
414 *(uint64_t*)(p + 8+1*stride)=
415 *(uint64_t*)(p + 0+2*stride)=
416 *(uint64_t*)(p + 8+2*stride)=
417 *(uint64_t*)(p + 0+3*stride)=
418 *(uint64_t*)(p + 8+3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
419 }else
420 assert(0);
421}
422
46f2f05f 423static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
0da71265 424 MpegEncContext * const s = &h->s;
7bc9090a 425 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
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426 int topleft_xy, top_xy, topright_xy, left_xy[2];
427 int topleft_type, top_type, topright_type, left_type[2];
6867a90b 428 int left_block[8];
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429 int i;
430
431 //wow what a mess, why didnt they simplify the interlacing&intra stuff, i cant imagine that these complex rules are worth it
432
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433 top_xy = mb_xy - s->mb_stride;
434 topleft_xy = top_xy - 1;
435 topright_xy= top_xy + 1;
436 left_xy[1] = left_xy[0] = mb_xy-1;
437 left_block[0]= 0;
438 left_block[1]= 1;
439 left_block[2]= 2;
440 left_block[3]= 3;
441 left_block[4]= 7;
442 left_block[5]= 10;
443 left_block[6]= 8;
444 left_block[7]= 11;
6ba71fc4 445 if(h->mb_aff_frame){
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446 const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
447 const int top_pair_xy = pair_xy - s->mb_stride;
448 const int topleft_pair_xy = top_pair_xy - 1;
449 const int topright_pair_xy = top_pair_xy + 1;
450 const int topleft_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
451 const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
452 const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
453 const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
454 const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
455 const int bottom = (s->mb_y & 1);
456 tprintf("fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
457 if (bottom
458 ? !curr_mb_frame_flag // bottom macroblock
459 : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
460 ) {
461 top_xy -= s->mb_stride;
462 }
463 if (bottom
464 ? !curr_mb_frame_flag // bottom macroblock
465 : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
466 ) {
467 topleft_xy -= s->mb_stride;
468 }
469 if (bottom
470 ? !curr_mb_frame_flag // bottom macroblock
471 : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
472 ) {
473 topright_xy -= s->mb_stride;
474 }
475 if (left_mb_frame_flag != curr_mb_frame_flag) {
476 left_xy[1] = left_xy[0] = pair_xy - 1;
477 if (curr_mb_frame_flag) {
478 if (bottom) {
479 left_block[0]= 2;
480 left_block[1]= 2;
481 left_block[2]= 3;
482 left_block[3]= 3;
483 left_block[4]= 8;
484 left_block[5]= 11;
485 left_block[6]= 8;
486 left_block[7]= 11;
487 } else {
488 left_block[0]= 0;
489 left_block[1]= 0;
490 left_block[2]= 1;
491 left_block[3]= 1;
492 left_block[4]= 7;
493 left_block[5]= 10;
494 left_block[6]= 7;
495 left_block[7]= 10;
496 }
497 } else {
498 left_xy[1] += s->mb_stride;
499 //left_block[0]= 0;
500 left_block[1]= 2;
501 left_block[2]= 0;
502 left_block[3]= 2;
503 //left_block[4]= 7;
504 left_block[5]= 10;
505 left_block[6]= 7;
506 left_block[7]= 10;
507 }
508 }
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509 }
510
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511 h->top_mb_xy = top_xy;
512 h->left_mb_xy[0] = left_xy[0];
513 h->left_mb_xy[1] = left_xy[1];
6ba71fc4 514 if(for_deblock){
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515 topleft_type = h->slice_table[topleft_xy ] < 255 ? s->current_picture.mb_type[topleft_xy] : 0;
516 top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0;
517 topright_type= h->slice_table[topright_xy] < 255 ? s->current_picture.mb_type[topright_xy]: 0;
518 left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
519 left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
520 }else{
521 topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
522 top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
523 topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
524 left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
525 left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
526 }
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527
528 if(IS_INTRA(mb_type)){
529 h->topleft_samples_available=
530 h->top_samples_available=
531 h->left_samples_available= 0xFFFF;
532 h->topright_samples_available= 0xEEEA;
533
534 if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
535 h->topleft_samples_available= 0xB3FF;
536 h->top_samples_available= 0x33FF;
537 h->topright_samples_available= 0x26EA;
538 }
539 for(i=0; i<2; i++){
540 if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
541 h->topleft_samples_available&= 0xDF5F;
542 h->left_samples_available&= 0x5F5F;
543 }
544 }
545
546 if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
547 h->topleft_samples_available&= 0x7FFF;
548
549 if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
550 h->topright_samples_available&= 0xFBFF;
551
552 if(IS_INTRA4x4(mb_type)){
553 if(IS_INTRA4x4(top_type)){
554 h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
555 h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
556 h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
557 h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
558 }else{
559 int pred;
6fbcaaa0 560 if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
0da71265 561 pred= -1;
6fbcaaa0
LLL
562 else{
563 pred= 2;
0da71265
MN
564 }
565 h->intra4x4_pred_mode_cache[4+8*0]=
566 h->intra4x4_pred_mode_cache[5+8*0]=
567 h->intra4x4_pred_mode_cache[6+8*0]=
568 h->intra4x4_pred_mode_cache[7+8*0]= pred;
569 }
570 for(i=0; i<2; i++){
571 if(IS_INTRA4x4(left_type[i])){
572 h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
573 h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
574 }else{
575 int pred;
6fbcaaa0 576 if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
0da71265 577 pred= -1;
6fbcaaa0
LLL
578 else{
579 pred= 2;
0da71265
MN
580 }
581 h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
582 h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
583 }
584 }
585 }
586 }
587
588
589/*
5900 . T T. T T T T
5911 L . .L . . . .
5922 L . .L . . . .
5933 . T TL . . . .
5944 L . .L . . . .
5955 L . .. . . . .
596*/
597//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
598 if(top_type){
6867a90b
LLL
599 h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
600 h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
601 h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
53c05b1e 602 h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
0da71265 603
6867a90b 604 h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
53c05b1e 605 h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
0da71265 606
6867a90b 607 h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
53c05b1e 608 h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
3981c385 609
0da71265
MN
610 }else{
611 h->non_zero_count_cache[4+8*0]=
612 h->non_zero_count_cache[5+8*0]=
613 h->non_zero_count_cache[6+8*0]=
614 h->non_zero_count_cache[7+8*0]=
615
616 h->non_zero_count_cache[1+8*0]=
617 h->non_zero_count_cache[2+8*0]=
618
619 h->non_zero_count_cache[1+8*3]=
3981c385
MN
620 h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
621
0da71265 622 }
826de46e 623
6867a90b
LLL
624 for (i=0; i<2; i++) {
625 if(left_type[i]){
626 h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
627 h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
628 h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
629 h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
6867a90b
LLL
630 }else{
631 h->non_zero_count_cache[3+8*1 + 2*8*i]=
632 h->non_zero_count_cache[3+8*2 + 2*8*i]=
633 h->non_zero_count_cache[0+8*1 + 8*i]=
634 h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
826de46e
LLL
635 }
636 }
637
638 if( h->pps.cabac ) {
639 // top_cbp
640 if(top_type) {
641 h->top_cbp = h->cbp_table[top_xy];
642 } else if(IS_INTRA(mb_type)) {
643 h->top_cbp = 0x1C0;
644 } else {
645 h->top_cbp = 0;
646 }
647 // left_cbp
648 if (left_type[0]) {
649 h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
650 } else if(IS_INTRA(mb_type)) {
651 h->left_cbp = 0x1C0;
652 } else {
653 h->left_cbp = 0;
654 }
655 if (left_type[0]) {
656 h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
657 }
658 if (left_type[1]) {
659 h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
6867a90b 660 }
0da71265 661 }
6867a90b 662
0da71265 663#if 1
5ad984c9
LM
664 //FIXME direct mb can skip much of this
665 if(IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)){
0da71265
MN
666 int list;
667 for(list=0; list<2; list++){
b75e10d5 668 if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !for_deblock){
0da71265
MN
669 /*if(!h->mv_cache_clean[list]){
670 memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
671 memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
672 h->mv_cache_clean[list]= 1;
673 }*/
5ad984c9 674 continue;
0da71265
MN
675 }
676 h->mv_cache_clean[list]= 0;
677
678 if(IS_INTER(topleft_type)){
679 const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
680 const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
681 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
682 h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
683 }else{
684 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
685 h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
686 }
687
688 if(IS_INTER(top_type)){
689 const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
690 const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
691 *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
692 *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
693 *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
694 *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
695 h->ref_cache[list][scan8[0] + 0 - 1*8]=
696 h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
697 h->ref_cache[list][scan8[0] + 2 - 1*8]=
698 h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
699 }else{
700 *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
701 *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
702 *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
703 *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
704 *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
705 }
706
707 if(IS_INTER(topright_type)){
708 const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
709 const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
710 *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
711 h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
712 }else{
713 *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
714 h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
715 }
716
717 //FIXME unify cleanup or sth
718 if(IS_INTER(left_type[0])){
719 const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
720 const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
721 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]];
722 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]];
723 h->ref_cache[list][scan8[0] - 1 + 0*8]=
724 h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
725 }else{
726 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
727 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
728 h->ref_cache[list][scan8[0] - 1 + 0*8]=
729 h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
730 }
731
732 if(IS_INTER(left_type[1])){
733 const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
734 const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
735 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]];
736 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]];
737 h->ref_cache[list][scan8[0] - 1 + 2*8]=
738 h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
739 }else{
740 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
741 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
742 h->ref_cache[list][scan8[0] - 1 + 2*8]=
743 h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
744 }
745
46f2f05f
MN
746 if(for_deblock)
747 continue;
748
0da71265
MN
749 h->ref_cache[list][scan8[5 ]+1] =
750 h->ref_cache[list][scan8[7 ]+1] =
751 h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewher else)
752 h->ref_cache[list][scan8[4 ]] =
753 h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
754 *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
755 *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
756 *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewher else)
757 *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
758 *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
9e528114
LA
759
760 if( h->pps.cabac ) {
761 /* XXX beurk, Load mvd */
762 if(IS_INTER(topleft_type)){
763 const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
764 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy];
765 }else{
766 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= 0;
767 }
768
769 if(IS_INTER(top_type)){
770 const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
771 *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
772 *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
773 *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
774 *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
775 }else{
776 *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
777 *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
778 *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
779 *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
780 }
781 if(IS_INTER(left_type[0])){
782 const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
783 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
784 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
785 }else{
786 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
787 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
788 }
789 if(IS_INTER(left_type[1])){
790 const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
791 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
792 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
793 }else{
794 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
795 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
796 }
797 *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
798 *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
799 *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewher else)
800 *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
801 *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
5ad984c9
LM
802
803 if(h->slice_type == B_TYPE){
804 fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
805
806 if(IS_DIRECT(top_type)){
807 *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
808 }else if(IS_8X8(top_type)){
809 int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
810 h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
811 h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
812 }else{
813 *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
814 }
815
816 //FIXME interlacing
817 if(IS_DIRECT(left_type[0])){
818 h->direct_cache[scan8[0] - 1 + 0*8]=
819 h->direct_cache[scan8[0] - 1 + 2*8]= 1;
820 }else if(IS_8X8(left_type[0])){
821 int b8_xy = h->mb2b8_xy[left_xy[0]] + 1;
822 h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[b8_xy];
823 h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[b8_xy + h->b8_stride];
824 }else{
825 h->direct_cache[scan8[0] - 1 + 0*8]=
826 h->direct_cache[scan8[0] - 1 + 2*8]= 0;
827 }
828 }
9e528114 829 }
0da71265 830 }
0da71265
MN
831 }
832#endif
833}
834
835static inline void write_back_intra_pred_mode(H264Context *h){
836 MpegEncContext * const s = &h->s;
7bc9090a 837 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
0da71265
MN
838
839 h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
840 h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
841 h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
842 h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
843 h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
844 h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
845 h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
846}
847
848/**
849 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
850 */
851static inline int check_intra4x4_pred_mode(H264Context *h){
852 MpegEncContext * const s = &h->s;
853 static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
854 static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
855 int i;
856
857 if(!(h->top_samples_available&0x8000)){
858 for(i=0; i<4; i++){
859 int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
860 if(status<0){
9b879566 861 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);
0da71265
MN
862 return -1;
863 } else if(status){
864 h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
865 }
866 }
867 }
868
869 if(!(h->left_samples_available&0x8000)){
870 for(i=0; i<4; i++){
871 int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
872 if(status<0){
9b879566 873 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);
0da71265
MN
874 return -1;
875 } else if(status){
876 h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
877 }
878 }
879 }
880
881 return 0;
882} //FIXME cleanup like next
883
884/**
885 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
886 */
887static inline int check_intra_pred_mode(H264Context *h, int mode){
888 MpegEncContext * const s = &h->s;
889 static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
890 static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
891
5175b937
LLL
892 if(mode < 0 || mode > 6) {
893 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 894 return -1;
5175b937 895 }
7440fe83 896
0da71265
MN
897 if(!(h->top_samples_available&0x8000)){
898 mode= top[ mode ];
899 if(mode<0){
9b879566 900 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);
0da71265
MN
901 return -1;
902 }
903 }
904
905 if(!(h->left_samples_available&0x8000)){
906 mode= left[ mode ];
907 if(mode<0){
9b879566 908 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
MN
909 return -1;
910 }
911 }
912
913 return mode;
914}
915
916/**
917 * gets the predicted intra4x4 prediction mode.
918 */
919static inline int pred_intra_mode(H264Context *h, int n){
920 const int index8= scan8[n];
921 const int left= h->intra4x4_pred_mode_cache[index8 - 1];
922 const int top = h->intra4x4_pred_mode_cache[index8 - 8];
923 const int min= FFMIN(left, top);
924
95c26348 925 tprintf("mode:%d %d min:%d\n", left ,top, min);
0da71265
MN
926
927 if(min<0) return DC_PRED;
928 else return min;
929}
930
931static inline void write_back_non_zero_count(H264Context *h){
932 MpegEncContext * const s = &h->s;
7bc9090a 933 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
0da71265 934
6867a90b
LLL
935 h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
936 h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
937 h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
53c05b1e 938 h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
6867a90b
LLL
939 h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
940 h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
941 h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
53c05b1e 942
6867a90b 943 h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
53c05b1e 944 h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
6867a90b 945 h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
53c05b1e 946
6867a90b 947 h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
53c05b1e 948 h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
6867a90b 949 h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
0da71265
MN
950}
951
952/**
953 * gets the predicted number of non zero coefficients.
954 * @param n block index
955 */
956static inline int pred_non_zero_count(H264Context *h, int n){
957 const int index8= scan8[n];
958 const int left= h->non_zero_count_cache[index8 - 1];
959 const int top = h->non_zero_count_cache[index8 - 8];
960 int i= left + top;
961
962 if(i<64) i= (i+1)>>1;
963
95c26348 964 tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
0da71265
MN
965
966 return i&31;
967}
968
1924f3ce
MN
969static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
970 const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
971
972 if(topright_ref != PART_NOT_AVAILABLE){
973 *C= h->mv_cache[list][ i - 8 + part_width ];
974 return topright_ref;
975 }else{
95c26348
MN
976 tprintf("topright MV not available\n");
977
1924f3ce
MN
978 *C= h->mv_cache[list][ i - 8 - 1 ];
979 return h->ref_cache[list][ i - 8 - 1 ];
980 }
981}
982
0da71265
MN
983/**
984 * gets the predicted MV.
985 * @param n the block index
986 * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
987 * @param mx the x component of the predicted motion vector
988 * @param my the y component of the predicted motion vector
989 */
990static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
0da71265
MN
991 const int index8= scan8[n];
992 const int top_ref= h->ref_cache[list][ index8 - 8 ];
0da71265
MN
993 const int left_ref= h->ref_cache[list][ index8 - 1 ];
994 const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
995 const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
1924f3ce
MN
996 const int16_t * C;
997 int diagonal_ref, match_count;
998
0da71265 999 assert(part_width==1 || part_width==2 || part_width==4);
1924f3ce 1000
0da71265
MN
1001/* mv_cache
1002 B . . A T T T T
1003 U . . L . . , .
1004 U . . L . . . .
1005 U . . L . . , .
1006 . . . L . . . .
1007*/
1924f3ce
MN
1008
1009 diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
1010 match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
827c91bf 1011 tprintf("pred_motion match_count=%d\n", match_count);
1924f3ce
MN
1012 if(match_count > 1){ //most common
1013 *mx= mid_pred(A[0], B[0], C[0]);
1014 *my= mid_pred(A[1], B[1], C[1]);
1015 }else if(match_count==1){
1016 if(left_ref==ref){
1017 *mx= A[0];
1018 *my= A[1];
1019 }else if(top_ref==ref){
1020 *mx= B[0];
1021 *my= B[1];
0da71265 1022 }else{
1924f3ce
MN
1023 *mx= C[0];
1024 *my= C[1];
0da71265
MN
1025 }
1026 }else{
1924f3ce 1027 if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
0da71265 1028 *mx= A[0];
1924f3ce 1029 *my= A[1];
0da71265 1030 }else{
1924f3ce
MN
1031 *mx= mid_pred(A[0], B[0], C[0]);
1032 *my= mid_pred(A[1], B[1], C[1]);
0da71265 1033 }
0da71265 1034 }
1924f3ce 1035
af6e2fed 1036 tprintf("pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
0da71265
MN
1037}
1038
1039/**
1040 * gets the directionally predicted 16x8 MV.
1041 * @param n the block index
1042 * @param mx the x component of the predicted motion vector
1043 * @param my the y component of the predicted motion vector
1044 */
1045static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
0da71265
MN
1046 if(n==0){
1047 const int top_ref= h->ref_cache[list][ scan8[0] - 8 ];
1048 const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
1049
579448a0 1050 tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
0da71265
MN
1051
1052 if(top_ref == ref){
1053 *mx= B[0];
1054 *my= B[1];
1055 return;
1056 }
1057 }else{
1058 const int left_ref= h->ref_cache[list][ scan8[8] - 1 ];
1059 const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
1060
579448a0 1061 tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
0da71265
MN
1062
1063 if(left_ref == ref){
1064 *mx= A[0];
1065 *my= A[1];
1066 return;
1067 }
1068 }
1069
1070 //RARE
1071 pred_motion(h, n, 4, list, ref, mx, my);
1072}
1073
1074/**
1075 * gets the directionally predicted 8x16 MV.
1076 * @param n the block index
1077 * @param mx the x component of the predicted motion vector
1078 * @param my the y component of the predicted motion vector
1079 */
1080static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
0da71265
MN
1081 if(n==0){
1082 const int left_ref= h->ref_cache[list][ scan8[0] - 1 ];
1083 const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ];
1084
579448a0 1085 tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
0da71265
MN
1086
1087 if(left_ref == ref){
1088 *mx= A[0];
1089 *my= A[1];
1090 return;
1091 }
1092 }else{
1924f3ce
MN
1093 const int16_t * C;
1094 int diagonal_ref;
1095
1096 diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
0da71265 1097
579448a0 1098 tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
0da71265 1099
1924f3ce 1100 if(diagonal_ref == ref){
0da71265
MN
1101 *mx= C[0];
1102 *my= C[1];
1103 return;
1104 }
0da71265
MN
1105 }
1106
1107 //RARE
1108 pred_motion(h, n, 2, list, ref, mx, my);
1109}
1110
1111static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
0da71265
MN
1112 const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
1113 const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
1114
5175b937 1115 tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
0da71265
MN
1116
1117 if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
1118 || (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
1119 || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
1120
1121 *mx = *my = 0;
1122 return;
1123 }
1124
1125 pred_motion(h, 0, 4, 0, 0, mx, my);
1126
1127 return;
1128}
1129
5ad984c9
LM
1130static inline void direct_dist_scale_factor(H264Context * const h){
1131 const int poc = h->s.current_picture_ptr->poc;
1132 const int poc1 = h->ref_list[1][0].poc;
1133 int i;
1134 for(i=0; i<h->ref_count[0]; i++){
1135 int poc0 = h->ref_list[0][i].poc;
1136 int td = clip(poc1 - poc0, -128, 127);
1137 if(td == 0 /* FIXME || pic0 is a long-term ref */){
1138 h->dist_scale_factor[i] = 256;
1139 }else{
1140 int tb = clip(poc - poc0, -128, 127);
1141 int tx = (16384 + (ABS(td) >> 1)) / td;
1142 h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023);
1143 }
1144 }
1145}
2f944356
LM
1146static inline void direct_ref_list_init(H264Context * const h){
1147 MpegEncContext * const s = &h->s;
1148 Picture * const ref1 = &h->ref_list[1][0];
1149 Picture * const cur = s->current_picture_ptr;
1150 int list, i, j;
1151 if(cur->pict_type == I_TYPE)
1152 cur->ref_count[0] = 0;
1153 if(cur->pict_type != B_TYPE)
1154 cur->ref_count[1] = 0;
1155 for(list=0; list<2; list++){
1156 cur->ref_count[list] = h->ref_count[list];
1157 for(j=0; j<h->ref_count[list]; j++)
1158 cur->ref_poc[list][j] = h->ref_list[list][j].poc;
1159 }
1160 if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
1161 return;
1162 for(list=0; list<2; list++){
1163 for(i=0; i<ref1->ref_count[list]; i++){
1164 const int poc = ref1->ref_poc[list][i];
1165 h->map_col_to_list0[list][i] = PART_NOT_AVAILABLE;
1166 for(j=0; j<h->ref_count[list]; j++)
1167 if(h->ref_list[list][j].poc == poc){
1168 h->map_col_to_list0[list][i] = j;
1169 break;
1170 }
1171 }
1172 }
1173}
5ad984c9
LM
1174
1175static inline void pred_direct_motion(H264Context * const h, int *mb_type){
1176 MpegEncContext * const s = &h->s;
1177 const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
1178 const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
1179 const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
1180 const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
1181 const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
1182 const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
2f944356 1183 const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
5ad984c9
LM
1184 const int is_b8x8 = IS_8X8(*mb_type);
1185 int sub_mb_type;
1186 int i8, i4;
1187
1188 if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
1189 /* FIXME save sub mb types from previous frames (or derive from MVs)
1190 * so we know exactly what block size to use */
1191 sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
3622988f 1192 *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
5ad984c9
LM
1193 }else if(!is_b8x8 && (IS_16X16(mb_type_col) || IS_INTRA(mb_type_col))){
1194 sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
1195 *mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
1196 }else{
1197 sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
3622988f 1198 *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
5ad984c9
LM
1199 }
1200 if(!is_b8x8)
1201 *mb_type |= MB_TYPE_DIRECT2;
1202
827c91bf
LLL
1203 tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
1204
5ad984c9
LM
1205 if(h->direct_spatial_mv_pred){
1206 int ref[2];
1207 int mv[2][2];
1208 int list;
1209
1210 /* ref = min(neighbors) */
1211 for(list=0; list<2; list++){
1212 int refa = h->ref_cache[list][scan8[0] - 1];
1213 int refb = h->ref_cache[list][scan8[0] - 8];
1214 int refc = h->ref_cache[list][scan8[0] - 8 + 4];
1215 if(refc == -2)
1216 refc = h->ref_cache[list][scan8[0] - 8 - 1];
1217 ref[list] = refa;
1218 if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
1219 ref[list] = refb;
1220 if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
1221 ref[list] = refc;
1222 if(ref[list] < 0)
1223 ref[list] = -1;
1224 }
1225
1226 if(ref[0] < 0 && ref[1] < 0){
1227 ref[0] = ref[1] = 0;
1228 mv[0][0] = mv[0][1] =
1229 mv[1][0] = mv[1][1] = 0;
1230 }else{
1231 for(list=0; list<2; list++){
1232 if(ref[list] >= 0)
1233 pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
1234 else
1235 mv[list][0] = mv[list][1] = 0;
1236 }
1237 }
1238
1239 if(ref[1] < 0){
1240 *mb_type &= ~MB_TYPE_P0L1;
1241 sub_mb_type &= ~MB_TYPE_P0L1;
1242 }else if(ref[0] < 0){
1243 *mb_type &= ~MB_TYPE_P0L0;
1244 sub_mb_type &= ~MB_TYPE_P0L0;
1245 }
1246
1247 if(IS_16X16(*mb_type)){
1248 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref[0], 1);
1249 fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, ref[1], 1);
1250 if(!IS_INTRA(mb_type_col) && l1ref0[0] == 0 &&
1251 ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1){
1252 if(ref[0] > 0)
1253 fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1254 else
1255 fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
1256 if(ref[1] > 0)
1257 fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1258 else
1259 fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
1260 }else{
1261 fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1262 fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1263 }
1264 }else{
1265 for(i8=0; i8<4; i8++){
1266 const int x8 = i8&1;
1267 const int y8 = i8>>1;
1268
1269 if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1270 continue;
1271 h->sub_mb_type[i8] = sub_mb_type;
1272
1273 fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1274 fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1275 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref[0], 1);
1276 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, ref[1], 1);
1277
1278 /* col_zero_flag */
1279 if(!IS_INTRA(mb_type_col) && l1ref0[x8 + y8*h->b8_stride] == 0){
1280 for(i4=0; i4<4; i4++){
1281 const int16_t *mv_col = l1mv0[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
1282 if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
1283 if(ref[0] == 0)
1284 *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
1285 if(ref[1] == 0)
1286 *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
1287 }
1288 }
1289 }
1290 }
1291 }
1292 }else{ /* direct temporal mv pred */
5ad984c9
LM
1293 if(IS_16X16(*mb_type)){
1294 fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
1295 if(IS_INTRA(mb_type_col)){
1296 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
1297 fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
1298 fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
1299 }else{
2f944356
LM
1300 const int ref0 = l1ref0[0] >= 0 ? h->map_col_to_list0[0][l1ref0[0]]
1301 : h->map_col_to_list0[1][l1ref1[0]];
5ad984c9
LM
1302 const int dist_scale_factor = h->dist_scale_factor[ref0];
1303 const int16_t *mv_col = l1mv0[0];
1304 int mv_l0[2];
1305 mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
1306 mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
1307 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);
1308 fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);
1309 fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]), 4);
1310 }
1311 }else{
1312 for(i8=0; i8<4; i8++){
1313 const int x8 = i8&1;
1314 const int y8 = i8>>1;
1315 int ref0, dist_scale_factor;
1316
1317 if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1318 continue;
1319 h->sub_mb_type[i8] = sub_mb_type;
1320 if(IS_INTRA(mb_type_col)){
1321 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
1322 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
1323 fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
1324 fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
1325 continue;
1326 }
1327
1328 ref0 = l1ref0[x8 + y8*h->b8_stride];
2f944356
LM
1329 if(ref0 >= 0)
1330 ref0 = h->map_col_to_list0[0][ref0];
1331 else
1332 ref0 = h->map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
5ad984c9
LM
1333 dist_scale_factor = h->dist_scale_factor[ref0];
1334
1335 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
1336 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
1337 for(i4=0; i4<4; i4++){
1338 const int16_t *mv_col = l1mv0[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
1339 int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
1340 mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
1341 mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
1342 *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
1343 pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
1344 }
1345 }
1346 }
1347 }
1348}
1349
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MN
1350static inline void write_back_motion(H264Context *h, int mb_type){
1351 MpegEncContext * const s = &h->s;
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MN
1352 const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
1353 const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
1354 int list;
1355
1356 for(list=0; list<2; list++){
1357 int y;
b75e10d5 1358 if(!USES_LIST(mb_type, list)){
0da71265
MN
1359 if(1){ //FIXME skip or never read if mb_type doesnt use it
1360 for(y=0; y<4; y++){
1361 *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]=
1362 *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= 0;
1363 }
9e528114
LA
1364 if( h->pps.cabac ) {
1365 /* FIXME needed ? */
1366 for(y=0; y<4; y++){
1367 *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]=
1368 *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= 0;
1369 }
1370 }
0da71265 1371 for(y=0; y<2; y++){
7d7f635d 1372 *(uint16_t*)&s->current_picture.ref_index[list][b8_xy + y*h->b8_stride]= (LIST_NOT_USED&0xFF)*0x0101;
0da71265
MN
1373 }
1374 }
5ad984c9 1375 continue;
0da71265
MN
1376 }
1377
1378 for(y=0; y<4; y++){
1379 *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
1380 *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
1381 }
9e528114
LA
1382 if( h->pps.cabac ) {
1383 for(y=0; y<4; y++){
1384 *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
1385 *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
1386 }
1387 }
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MN
1388 for(y=0; y<2; y++){
1389 s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+0 + 16*y];
1390 s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y];
1391 }
1392 }
5ad984c9
LM
1393
1394 if(h->slice_type == B_TYPE && h->pps.cabac){
1395 if(IS_8X8(mb_type)){
1396 h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
1397 h->direct_table[b8_xy+0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
1398 h->direct_table[b8_xy+1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
1399 }
1400 }
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MN
1401}
1402
1403/**
1404 * Decodes a network abstraction layer unit.
1405 * @param consumed is the number of bytes used as input
1406 * @param length is the length of the array
1407 * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp ttailing?
1408 * @returns decoded bytes, might be src+1 if no escapes
1409 */
1410static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
1411 int i, si, di;
1412 uint8_t *dst;
1413
1414// src[0]&0x80; //forbidden bit
1415 h->nal_ref_idc= src[0]>>5;
1416 h->nal_unit_type= src[0]&0x1F;
1417
1418 src++; length--;
1419#if 0
1420 for(i=0; i<length; i++)
1421 printf("%2X ", src[i]);
1422#endif
1423 for(i=0; i+1<length; i+=2){
1424 if(src[i]) continue;
1425 if(i>0 && src[i-1]==0) i--;
1426 if(i+2<length && src[i+1]==0 && src[i+2]<=3){
1427 if(src[i+2]!=3){
1428 /* startcode, so we must be past the end */
1429 length=i;
1430 }
1431 break;
1432 }
1433 }
1434
1435 if(i>=length-1){ //no escaped 0
1436 *dst_length= length;
1437 *consumed= length+1; //+1 for the header
1438 return src;
1439 }
1440
1441 h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
1442 dst= h->rbsp_buffer;
1443
1444//printf("deoding esc\n");
1445 si=di=0;
1446 while(si<length){
1447 //remove escapes (very rare 1:2^22)
1448 if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
1449 if(src[si+2]==3){ //escape
1450 dst[di++]= 0;
1451 dst[di++]= 0;
1452 si+=3;
c8470cc1 1453 continue;
0da71265
MN
1454 }else //next start code
1455 break;
1456 }
1457
1458 dst[di++]= src[si++];
1459 }
1460
1461 *dst_length= di;
1462 *consumed= si + 1;//+1 for the header
1463//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
1464 return dst;
1465}
1466
e5017ab8 1467#if 0
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MN
1468/**
1469 * @param src the data which should be escaped
1470 * @param dst the target buffer, dst+1 == src is allowed as a special case
1471 * @param length the length of the src data
1472 * @param dst_length the length of the dst array
1473 * @returns length of escaped data in bytes or -1 if an error occured
1474 */
1475static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
1476 int i, escape_count, si, di;
1477 uint8_t *temp;
1478
1479 assert(length>=0);
1480 assert(dst_length>0);
1481
1482 dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
1483
1484 if(length==0) return 1;
1485
1486 escape_count= 0;
1487 for(i=0; i<length; i+=2){
1488 if(src[i]) continue;
1489 if(i>0 && src[i-1]==0)
1490 i--;
1491 if(i+2<length && src[i+1]==0 && src[i+2]<=3){
1492 escape_count++;
1493 i+=2;
1494 }
1495 }
1496
1497 if(escape_count==0){
1498 if(dst+1 != src)
1499 memcpy(dst+1, src, length);
1500 return length + 1;
1501 }
1502
1503 if(length + escape_count + 1> dst_length)
1504 return -1;
1505
1506 //this should be damn rare (hopefully)
1507
1508 h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
1509 temp= h->rbsp_buffer;
1510//printf("encoding esc\n");
1511
1512 si= 0;
1513 di= 0;
1514 while(si < length){
1515 if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
1516 temp[di++]= 0; si++;
1517 temp[di++]= 0; si++;
1518 temp[di++]= 3;
1519 temp[di++]= src[si++];
1520 }
1521 else
1522 temp[di++]= src[si++];
1523 }
1524 memcpy(dst+1, temp, length+escape_count);
1525
1526 assert(di == length+escape_count);
1527
1528 return di + 1;
1529}
1530
1531/**
1532 * write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
1533 */
1534static void encode_rbsp_trailing(PutBitContext *pb){
1535 int length;
1536 put_bits(pb, 1, 1);
fe455f33 1537 length= (-put_bits_count(pb))&7;
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MN
1538 if(length) put_bits(pb, length, 0);
1539}
e5017ab8 1540#endif
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MN
1541
1542/**
1543 * identifies the exact end of the bitstream
1544 * @return the length of the trailing, or 0 if damaged
1545 */
1546static int decode_rbsp_trailing(uint8_t *src){
1547 int v= *src;
1548 int r;
1549
95c26348 1550 tprintf("rbsp trailing %X\n", v);
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MN
1551
1552 for(r=1; r<9; r++){
1553 if(v&1) return r;
1554 v>>=1;
1555 }
1556 return 0;
1557}
1558
1559/**
1560 * idct tranforms the 16 dc values and dequantize them.
1561 * @param qp quantization parameter
1562 */
1563static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp){
1564 const int qmul= dequant_coeff[qp][0];
1565#define stride 16
1566 int i;
1567 int temp[16]; //FIXME check if this is a good idea
1568 static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
1569 static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
1570
1571//memset(block, 64, 2*256);
1572//return;
1573 for(i=0; i<4; i++){
1574 const int offset= y_offset[i];
1575 const int z0= block[offset+stride*0] + block[offset+stride*4];
1576 const int z1= block[offset+stride*0] - block[offset+stride*4];
1577 const int z2= block[offset+stride*1] - block[offset+stride*5];
1578 const int z3= block[offset+stride*1] + block[offset+stride*5];
1579
1580 temp[4*i+0]= z0+z3;
1581 temp[4*i+1]= z1+z2;
1582 temp[4*i+2]= z1-z2;
1583 temp[4*i+3]= z0-z3;
1584 }
1585
1586 for(i=0; i<4; i++){
1587 const int offset= x_offset[i];
1588 const int z0= temp[4*0+i] + temp[4*2+i];
1589 const int z1= temp[4*0+i] - temp[4*2+i];
1590 const int z2= temp[4*1+i] - temp[4*3+i];
1591 const int z3= temp[4*1+i] + temp[4*3+i];
1592
1593 block[stride*0 +offset]= ((z0 + z3)*qmul + 2)>>2; //FIXME think about merging this into decode_resdual
1594 block[stride*2 +offset]= ((z1 + z2)*qmul + 2)>>2;
1595 block[stride*8 +offset]= ((z1 - z2)*qmul + 2)>>2;
1596 block[stride*10+offset]= ((z0 - z3)*qmul + 2)>>2;
1597 }
1598}
1599
e5017ab8 1600#if 0
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MN
1601/**
1602 * dct tranforms the 16 dc values.
1603 * @param qp quantization parameter ??? FIXME
1604 */
1605static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
1606// const int qmul= dequant_coeff[qp][0];
1607 int i;
1608 int temp[16]; //FIXME check if this is a good idea
1609 static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
1610 static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
1611
1612 for(i=0; i<4; i++){
1613 const int offset= y_offset[i];
1614 const int z0= block[offset+stride*0] + block[offset+stride*4];
1615 const int z1= block[offset+stride*0] - block[offset+stride*4];
1616 const int z2= block[offset+stride*1] - block[offset+stride*5];
1617 const int z3= block[offset+stride*1] + block[offset+stride*5];
1618
1619 temp[4*i+0]= z0+z3;
1620 temp[4*i+1]= z1+z2;
1621 temp[4*i+2]= z1-z2;
1622 temp[4*i+3]= z0-z3;
1623 }
1624
1625 for(i=0; i<4; i++){
1626 const int offset= x_offset[i];
1627 const int z0= temp[4*0+i] + temp[4*2+i];
1628 const int z1= temp[4*0+i] - temp[4*2+i];
1629 const int z2= temp[4*1+i] - temp[4*3+i];
1630 const int z3= temp[4*1+i] + temp[4*3+i];
1631
1632 block[stride*0 +offset]= (z0 + z3)>>1;
1633 block[stride*2 +offset]= (z1 + z2)>>1;
1634 block[stride*8 +offset]= (z1 - z2)>>1;
1635 block[stride*10+offset]= (z0 - z3)>>1;
1636 }
1637}
e5017ab8
LA
1638#endif
1639
0da71265
MN
1640#undef xStride
1641#undef stride
1642
1643static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp){
1644 const int qmul= dequant_coeff[qp][0];
1645 const int stride= 16*2;
1646 const int xStride= 16;
1647 int a,b,c,d,e;
1648
1649 a= block[stride*0 + xStride*0];
1650 b= block[stride*0 + xStride*1];
1651 c= block[stride*1 + xStride*0];
1652 d= block[stride*1 + xStride*1];
1653
1654 e= a-b;
1655 a= a+b;
1656 b= c-d;
1657 c= c+d;
1658
1659 block[stride*0 + xStride*0]= ((a+c)*qmul + 0)>>1;
1660 block[stride*0 + xStride*1]= ((e+b)*qmul + 0)>>1;
1661 block[stride*1 + xStride*0]= ((a-c)*qmul + 0)>>1;
1662 block[stride*1 + xStride*1]= ((e-b)*qmul + 0)>>1;
1663}
1664
e5017ab8 1665#if 0
0da71265
MN
1666static void chroma_dc_dct_c(DCTELEM *block){
1667 const int stride= 16*2;
1668 const int xStride= 16;
1669 int a,b,c,d,e;
1670
1671 a= block[stride*0 + xStride*0];
1672 b= block[stride*0 + xStride*1];
1673 c= block[stride*1 + xStride*0];
1674 d= block[stride*1 + xStride*1];
1675
1676 e= a-b;
1677 a= a+b;
1678 b= c-d;
1679 c= c+d;
1680
1681 block[stride*0 + xStride*0]= (a+c);
1682 block[stride*0 + xStride*1]= (e+b);
1683 block[stride*1 + xStride*0]= (a-c);
1684 block[stride*1 + xStride*1]= (e-b);
1685}
e5017ab8 1686#endif
0da71265
MN
1687
1688/**
1689 * gets the chroma qp.
1690 */
6ba71fc4 1691static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
0da71265 1692
6ba71fc4 1693 return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
0da71265
MN
1694}
1695
1696
e5017ab8 1697#if 0
0da71265
MN
1698static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
1699 int i;
1700 //FIXME try int temp instead of block
1701
1702 for(i=0; i<4; i++){
1703 const int d0= src1[0 + i*stride] - src2[0 + i*stride];
1704 const int d1= src1[1 + i*stride] - src2[1 + i*stride];
1705 const int d2= src1[2 + i*stride] - src2[2 + i*stride];
1706 const int d3= src1[3 + i*stride] - src2[3 + i*stride];
1707 const int z0= d0 + d3;
1708 const int z3= d0 - d3;
1709 const int z1= d1 + d2;
1710 const int z2= d1 - d2;
1711
1712 block[0 + 4*i]= z0 + z1;
1713 block[1 + 4*i]= 2*z3 + z2;
1714 block[2 + 4*i]= z0 - z1;
1715 block[3 + 4*i]= z3 - 2*z2;
1716 }
1717
1718 for(i=0; i<4; i++){
1719 const int z0= block[0*4 + i] + block[3*4 + i];
1720 const int z3= block[0*4 + i] - block[3*4 + i];
1721 const int z1= block[1*4 + i] + block[2*4 + i];
1722 const int z2= block[1*4 + i] - block[2*4 + i];
1723
1724 block[0*4 + i]= z0 + z1;
1725 block[1*4 + i]= 2*z3 + z2;
1726 block[2*4 + i]= z0 - z1;
1727 block[3*4 + i]= z3 - 2*z2;
1728 }
1729}
e5017ab8 1730#endif
0da71265
MN
1731
1732//FIXME need to check that this doesnt overflow signed 32 bit for low qp, iam not sure, its very close
1733//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
1734static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){
1735 int i;
1736 const int * const quant_table= quant_coeff[qscale];
1737 const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
1738 const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
1739 const unsigned int threshold2= (threshold1<<1);
1740 int last_non_zero;
1741
1742 if(seperate_dc){
1743 if(qscale<=18){
1744 //avoid overflows
1745 const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
1746 const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
1747 const unsigned int dc_threshold2= (dc_threshold1<<1);
1748
1749 int level= block[0]*quant_coeff[qscale+18][0];
1750 if(((unsigned)(level+dc_threshold1))>dc_threshold2){
1751 if(level>0){
1752 level= (dc_bias + level)>>(QUANT_SHIFT-2);
1753 block[0]= level;
1754 }else{
1755 level= (dc_bias - level)>>(QUANT_SHIFT-2);
1756 block[0]= -level;
1757 }
1758// last_non_zero = i;
1759 }else{
1760 block[0]=0;
1761 }
1762 }else{
1763 const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
1764 const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
1765 const unsigned int dc_threshold2= (dc_threshold1<<1);
1766
1767 int level= block[0]*quant_table[0];
1768 if(((unsigned)(level+dc_threshold1))>dc_threshold2){
1769 if(level>0){
1770 level= (dc_bias + level)>>(QUANT_SHIFT+1);
1771 block[0]= level;
1772 }else{
1773 level= (dc_bias - level)>>(QUANT_SHIFT+1);
1774 block[0]= -level;
1775 }
1776// last_non_zero = i;
1777 }else{
1778 block[0]=0;
1779 }
1780 }
1781 last_non_zero= 0;
1782 i=1;
1783 }else{
1784 last_non_zero= -1;
1785 i=0;
1786 }
1787
1788 for(; i<16; i++){
1789 const int j= scantable[i];
1790 int level= block[j]*quant_table[j];
1791
1792// if( bias+level >= (1<<(QMAT_SHIFT - 3))
1793// || bias-level >= (1<<(QMAT_SHIFT - 3))){
1794 if(((unsigned)(level+threshold1))>threshold2){
1795 if(level>0){
1796 level= (bias + level)>>QUANT_SHIFT;
1797 block[j]= level;
1798 }else{
1799 level= (bias - level)>>QUANT_SHIFT;
1800 block[j]= -level;
1801 }
1802 last_non_zero = i;
1803 }else{
1804 block[j]=0;
1805 }
1806 }
1807
1808 return last_non_zero;
1809}
1810
1811static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
1812 const uint32_t a= ((uint32_t*)(src-stride))[0];
1813 ((uint32_t*)(src+0*stride))[0]= a;
1814 ((uint32_t*)(src+1*stride))[0]= a;
1815 ((uint32_t*)(src+2*stride))[0]= a;
1816 ((uint32_t*)(src+3*stride))[0]= a;
1817}
1818
1819static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
1820 ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
1821 ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
1822 ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
1823 ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
1824}
1825
1826static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
1827 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
1828 + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
1829
1830 ((uint32_t*)(src+0*stride))[0]=
1831 ((uint32_t*)(src+1*stride))[0]=
1832 ((uint32_t*)(src+2*stride))[0]=
1833 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
1834}
1835
1836static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
1837 const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
1838
1839 ((uint32_t*)(src+0*stride))[0]=
1840 ((uint32_t*)(src+1*stride))[0]=
1841 ((uint32_t*)(src+2*stride))[0]=
1842 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
1843}
1844
1845static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
1846 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
1847
1848 ((uint32_t*)(src+0*stride))[0]=
1849 ((uint32_t*)(src+1*stride))[0]=
1850 ((uint32_t*)(src+2*stride))[0]=
1851 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
1852}
1853
1854static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
1855 ((uint32_t*)(src+0*stride))[0]=
1856 ((uint32_t*)(src+1*stride))[0]=
1857 ((uint32_t*)(src+2*stride))[0]=
1858 ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
1859}
1860
1861
1862#define LOAD_TOP_RIGHT_EDGE\
1863 const int t4= topright[0];\
1864 const int t5= topright[1];\
1865 const int t6= topright[2];\
1866 const int t7= topright[3];\
1867
1868#define LOAD_LEFT_EDGE\
1869 const int l0= src[-1+0*stride];\
1870 const int l1= src[-1+1*stride];\
1871 const int l2= src[-1+2*stride];\
1872 const int l3= src[-1+3*stride];\
1873
1874#define LOAD_TOP_EDGE\
1875 const int t0= src[ 0-1*stride];\
1876 const int t1= src[ 1-1*stride];\
1877 const int t2= src[ 2-1*stride];\
1878 const int t3= src[ 3-1*stride];\
1879
1880static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
1881 const int lt= src[-1-1*stride];
1882 LOAD_TOP_EDGE
1883 LOAD_LEFT_EDGE
1884
1885 src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
1886 src[0+2*stride]=
1887 src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
1888 src[0+1*stride]=
1889 src[1+2*stride]=
1890 src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
1891 src[0+0*stride]=
1892 src[1+1*stride]=
1893 src[2+2*stride]=
1894 src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
1895 src[1+0*stride]=
1896 src[2+1*stride]=
1897 src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
1898 src[2+0*stride]=
1899 src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
1900 src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
4cfbf61b 1901}
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1902
1903static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
1904 LOAD_TOP_EDGE
1905 LOAD_TOP_RIGHT_EDGE
1906// LOAD_LEFT_EDGE
1907
1908 src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
1909 src[1+0*stride]=
1910 src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
1911 src[2+0*stride]=
1912 src[1+1*stride]=
1913 src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
1914 src[3+0*stride]=
1915 src[2+1*stride]=
1916 src[1+2*stride]=
1917 src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
1918 src[3+1*stride]=
1919 src[2+2*stride]=
1920 src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
1921 src[3+2*stride]=
1922 src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
1923 src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
4cfbf61b 1924}
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1925
1926static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
1927 const int lt= src[-1-1*stride];
1928 LOAD_TOP_EDGE
1929 LOAD_LEFT_EDGE
1930 const __attribute__((unused)) int unu= l3;
1931
1932 src[0+0*stride]=
1933 src[1+2*stride]=(lt + t0 + 1)>>1;
1934 src[1+0*stride]=
1935 src[2+2*stride]=(t0 + t1 + 1)>>1;
1936 src[2+0*stride]=
1937 src[3+2*stride]=(t1 + t2 + 1)>>1;
1938 src[3+0*stride]=(t2 + t3 + 1)>>1;
1939 src[0+1*stride]=
1940 src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
1941 src[1+1*stride]=
1942 src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
1943 src[2+1*stride]=
1944 src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
1945 src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
1946 src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
1947 src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
4cfbf61b 1948}
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1949
1950static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
1951 LOAD_TOP_EDGE
1952 LOAD_TOP_RIGHT_EDGE
1953 const __attribute__((unused)) int unu= t7;
1954
1955 src[0+0*stride]=(t0 + t1 + 1)>>1;
1956 src[1+0*stride]=
1957 src[0+2*stride]=(t1 + t2 + 1)>>1;
1958 src[2+0*stride]=
1959 src[1+2*stride]=(t2 + t3 + 1)>>1;
1960 src[3+0*stride]=
1961 src[2+2*stride]=(t3 + t4+ 1)>>1;
1962 src[3+2*stride]=(t4 + t5+ 1)>>1;
1963 src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
1964 src[1+1*stride]=
1965 src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
1966 src[2+1*stride]=
1967 src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
1968 src[3+1*stride]=
1969 src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
1970 src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
4cfbf61b 1971}
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1972
1973static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
1974 LOAD_LEFT_EDGE
1975
1976 src[0+0*stride]=(l0 + l1 + 1)>>1;
1977 src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
1978 src[2+0*stride]=
1979 src[0+1*stride]=(l1 + l2 + 1)>>1;
1980 src[3+0*stride]=
1981 src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
1982 src[2+1*stride]=
1983 src[0+2*stride]=(l2 + l3 + 1)>>1;
1984 src[3+1*stride]=
1985 src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
1986 src[3+2*stride]=
1987 src[1+3*stride]=
1988 src[0+3*stride]=
1989 src[2+2*stride]=
1990 src[2+3*stride]=
1991 src[3+3*stride]=l3;
4cfbf61b 1992}
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1993
1994static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
1995 const int lt= src[-1-1*stride];
1996 LOAD_TOP_EDGE
1997 LOAD_LEFT_EDGE
1998 const __attribute__((unused)) int unu= t3;
1999
2000 src[0+0*stride]=
2001 src[2+1*stride]=(lt + l0 + 1)>>1;
2002 src[1+0*stride]=
2003 src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
2004 src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
2005 src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2006 src[0+1*stride]=
2007 src[2+2*stride]=(l0 + l1 + 1)>>1;
2008 src[1+1*stride]=
2009 src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
2010 src[0+2*stride]=
2011 src[2+3*stride]=(l1 + l2+ 1)>>1;
2012 src[1+2*stride]=
2013 src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
2014 src[0+3*stride]=(l2 + l3 + 1)>>1;
2015 src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
4cfbf61b 2016}
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2017
2018static void pred16x16_vertical_c(uint8_t *src, int stride){
2019 int i;
2020 const uint32_t a= ((uint32_t*)(src-stride))[0];
2021 const uint32_t b= ((uint32_t*)(src-stride))[1];
2022 const uint32_t c= ((uint32_t*)(src-stride))[2];
2023 const uint32_t d= ((uint32_t*)(src-stride))[3];
2024
2025 for(i=0; i<16; i++){
2026 ((uint32_t*)(src+i*stride))[0]= a;
2027 ((uint32_t*)(src+i*stride))[1]= b;
2028 ((uint32_t*)(src+i*stride))[2]= c;
2029 ((uint32_t*)(src+i*stride))[3]= d;
2030 }
2031}
2032
2033static void pred16x16_horizontal_c(uint8_t *src, int stride){
2034 int i;
2035
2036 for(i=0; i<16; i++){
2037 ((uint32_t*)(src+i*stride))[0]=
2038 ((uint32_t*)(src+i*stride))[1]=
2039 ((uint32_t*)(src+i*stride))[2]=
2040 ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
2041 }
2042}
2043
2044static void pred16x16_dc_c(uint8_t *src, int stride){
2045 int i, dc=0;
2046
2047 for(i=0;i<16; i++){
2048 dc+= src[-1+i*stride];
2049 }
2050
2051 for(i=0;i<16; i++){
2052 dc+= src[i-stride];
2053 }
2054
2055 dc= 0x01010101*((dc + 16)>>5);
2056
2057 for(i=0; i<16; i++){
2058 ((uint32_t*)(src+i*stride))[0]=
2059 ((uint32_t*)(src+i*stride))[1]=
2060 ((uint32_t*)(src+i*stride))[2]=
2061 ((uint32_t*)(src+i*stride))[3]= dc;
2062 }
2063}
2064
2065static void pred16x16_left_dc_c(uint8_t *src, int stride){
2066 int i, dc=0;
2067
2068 for(i=0;i<16; i++){
2069 dc+= src[-1+i*stride];
2070 }
2071
2072 dc= 0x01010101*((dc + 8)>>4);
2073
2074 for(i=0; i<16; i++){
2075 ((uint32_t*)(src+i*stride))[0]=
2076 ((uint32_t*)(src+i*stride))[1]=
2077 ((uint32_t*)(src+i*stride))[2]=
2078 ((uint32_t*)(src+i*stride))[3]= dc;
2079 }
2080}
2081
2082static void pred16x16_top_dc_c(uint8_t *src, int stride){
2083 int i, dc=0;
2084
2085 for(i=0;i<16; i++){
2086 dc+= src[i-stride];
2087 }
2088 dc= 0x01010101*((dc + 8)>>4);
2089
2090 for(i=0; i<16; i++){
2091 ((uint32_t*)(src+i*stride))[0]=
2092 ((uint32_t*)(src+i*stride))[1]=
2093 ((uint32_t*)(src+i*stride))[2]=
2094 ((uint32_t*)(src+i*stride))[3]= dc;
2095 }
2096}
2097
2098static void pred16x16_128_dc_c(uint8_t *src, int stride){
2099 int i;
2100
2101 for(i=0; i<16; i++){
2102 ((uint32_t*)(src+i*stride))[0]=
2103 ((uint32_t*)(src+i*stride))[1]=
2104 ((uint32_t*)(src+i*stride))[2]=
2105 ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
2106 }
2107}
2108
8b82a956 2109static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
30f73fc7
MN
2110 int i, j, k;
2111 int a;
2112 uint8_t *cm = cropTbl + MAX_NEG_CROP;
2113 const uint8_t * const src0 = src+7-stride;
2114 const uint8_t *src1 = src+8*stride-1;
2115 const uint8_t *src2 = src1-2*stride; // == src+6*stride-1;
2116 int H = src0[1] - src0[-1];
2117 int V = src1[0] - src2[ 0];
2118 for(k=2; k<=8; ++k) {
2119 src1 += stride; src2 -= stride;
2120 H += k*(src0[k] - src0[-k]);
2121 V += k*(src1[0] - src2[ 0]);
2122 }
8b82a956
MN
2123 if(svq3){
2124 H = ( 5*(H/4) ) / 16;
2125 V = ( 5*(V/4) ) / 16;
2e26c8d2
MM
2126
2127 /* required for 100% accuracy */
2128 i = H; H = V; V = i;
8b82a956
MN
2129 }else{
2130 H = ( 5*H+32 ) >> 6;
2131 V = ( 5*V+32 ) >> 6;
2132 }
30f73fc7
MN
2133
2134 a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
2135 for(j=16; j>0; --j) {
2136 int b = a;
2137 a += V;
2138 for(i=-16; i<0; i+=4) {
2139 src[16+i] = cm[ (b ) >> 5 ];
2140 src[17+i] = cm[ (b+ H) >> 5 ];
2141 src[18+i] = cm[ (b+2*H) >> 5 ];
2142 src[19+i] = cm[ (b+3*H) >> 5 ];
2143 b += 4*H;
0da71265 2144 }
30f73fc7
MN
2145 src += stride;
2146 }
0da71265
MN
2147}
2148
8b82a956
MN
2149static void pred16x16_plane_c(uint8_t *src, int stride){
2150 pred16x16_plane_compat_c(src, stride, 0);
2151}
2152
0da71265
MN
2153static void pred8x8_vertical_c(uint8_t *src, int stride){
2154 int i;
2155 const uint32_t a= ((uint32_t*)(src-stride))[0];
2156 const uint32_t b= ((uint32_t*)(src-stride))[1];
2157
2158 for(i=0; i<8; i++){
2159 ((uint32_t*)(src+i*stride))[0]= a;
2160 ((uint32_t*)(src+i*stride))[1]= b;
2161 }
2162}
2163
2164static void pred8x8_horizontal_c(uint8_t *src, int stride){
2165 int i;
2166
2167 for(i=0; i<8; i++){
2168 ((uint32_t*)(src+i*stride))[0]=
2169 ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
2170 }
2171}
2172
2173static void pred8x8_128_dc_c(uint8_t *src, int stride){
2174 int i;
2175
2176 for(i=0; i<4; i++){
2177 ((uint32_t*)(src+i*stride))[0]=
2178 ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
2179 }
2180 for(i=4; i<8; i++){
2181 ((uint32_t*)(src+i*stride))[0]=
2182 ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
2183 }
2184}
2185
2186static void pred8x8_left_dc_c(uint8_t *src, int stride){
2187 int i;
2188 int dc0, dc2;
2189
2190 dc0=dc2=0;
2191 for(i=0;i<4; i++){
2192 dc0+= src[-1+i*stride];
2193 dc2+= src[-1+(i+4)*stride];
2194 }
2195 dc0= 0x01010101*((dc0 + 2)>>2);
2196 dc2= 0x01010101*((dc2 + 2)>>2);
2197
2198 for(i=0; i<4; i++){
2199 ((uint32_t*)(src+i*stride))[0]=
2200 ((uint32_t*)(src+i*stride))[1]= dc0;
2201 }
2202 for(i=4; i<8; i++){
2203 ((uint32_t*)(src+i*stride))[0]=
2204 ((uint32_t*)(src+i*stride))[1]= dc2;
2205 }
2206}
2207
2208static void pred8x8_top_dc_c(uint8_t *src, int stride){
2209 int i;
2210 int dc0, dc1;
2211
2212 dc0=dc1=0;
2213 for(i=0;i<4; i++){
2214 dc0+= src[i-stride];
2215 dc1+= src[4+i-stride];
2216 }
2217 dc0= 0x01010101*((dc0 + 2)>>2);
2218 dc1= 0x01010101*((dc1 + 2)>>2);
2219
2220 for(i=0; i<4; i++){
2221 ((uint32_t*)(src+i*stride))[0]= dc0;
2222 ((uint32_t*)(src+i*stride))[1]= dc1;
2223 }
2224 for(i=4; i<8; i++){
2225 ((uint32_t*)(src+i*stride))[0]= dc0;
2226 ((uint32_t*)(src+i*stride))[1]= dc1;
2227 }
2228}
2229
2230
2231static void pred8x8_dc_c(uint8_t *src, int stride){
2232 int i;
2233 int dc0, dc1, dc2, dc3;
2234
2235 dc0=dc1=dc2=0;
2236 for(i=0;i<4; i++){
2237 dc0+= src[-1+i*stride] + src[i-stride];
2238 dc1+= src[4+i-stride];
2239 dc2+= src[-1+(i+4)*stride];
2240 }
2241 dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
2242 dc0= 0x01010101*((dc0 + 4)>>3);
2243 dc1= 0x01010101*((dc1 + 2)>>2);
2244 dc2= 0x01010101*((dc2 + 2)>>2);
2245
2246 for(i=0; i<4; i++){
2247 ((uint32_t*)(src+i*stride))[0]= dc0;
2248 ((uint32_t*)(src+i*stride))[1]= dc1;
2249 }
2250 for(i=4; i<8; i++){
2251 ((uint32_t*)(src+i*stride))[0]= dc2;
2252 ((uint32_t*)(src+i*stride))[1]= dc3;
2253 }
2254}
2255
2256static void pred8x8_plane_c(uint8_t *src, int stride){
30f73fc7
MN
2257 int j, k;
2258 int a;
2259 uint8_t *cm = cropTbl + MAX_NEG_CROP;
2260 const uint8_t * const src0 = src+3-stride;
2261 const uint8_t *src1 = src+4*stride-1;
2262 const uint8_t *src2 = src1-2*stride; // == src+2*stride-1;
2263 int H = src0[1] - src0[-1];
2264 int V = src1[0] - src2[ 0];
2265 for(k=2; k<=4; ++k) {
2266 src1 += stride; src2 -= stride;
2267 H += k*(src0[k] - src0[-k]);
2268 V += k*(src1[0] - src2[ 0]);
2269 }
2270 H = ( 17*H+16 ) >> 5;
2271 V = ( 17*V+16 ) >> 5;
2272
2273 a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
2274 for(j=8; j>0; --j) {
2275 int b = a;
2276 a += V;
2277 src[0] = cm[ (b ) >> 5 ];
2278 src[1] = cm[ (b+ H) >> 5 ];
2279 src[2] = cm[ (b+2*H) >> 5 ];
2280 src[3] = cm[ (b+3*H) >> 5 ];
2281 src[4] = cm[ (b+4*H) >> 5 ];
2282 src[5] = cm[ (b+5*H) >> 5 ];
2283 src[6] = cm[ (b+6*H) >> 5 ];
2284 src[7] = cm[ (b+7*H) >> 5 ];
2285 src += stride;
2286 }
0da71265
MN
2287}
2288
2289static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
2290 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2291 int src_x_offset, int src_y_offset,
2292 qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
2293 MpegEncContext * const s = &h->s;
2294 const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
2295 const int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
2296 const int luma_xy= (mx&3) + ((my&3)<<2);
2297 uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*s->linesize;
2298 uint8_t * src_cb= pic->data[1] + (mx>>3) + (my>>3)*s->uvlinesize;
2299 uint8_t * src_cr= pic->data[2] + (mx>>3) + (my>>3)*s->uvlinesize;
2300 int extra_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16; //FIXME increase edge?, IMHO not worth it
2301 int extra_height= extra_width;
2302 int emu=0;
2303 const int full_mx= mx>>2;
2304 const int full_my= my>>2;
2305
2306 assert(pic->data[0]);
2307
2308 if(mx&7) extra_width -= 3;
2309 if(my&7) extra_height -= 3;
2310
2311 if( full_mx < 0-extra_width
2312 || full_my < 0-extra_height
2313 || full_mx + 16/*FIXME*/ > s->width + extra_width
2314 || full_my + 16/*FIXME*/ > s->height + extra_height){
c009df3f 2315 ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, s->width, s->height);
0da71265
MN
2316 src_y= s->edge_emu_buffer + 2 + 2*s->linesize;
2317 emu=1;
2318 }
2319
2320 qpix_op[luma_xy](dest_y, src_y, s->linesize); //FIXME try variable height perhaps?
2321 if(!square){
2322 qpix_op[luma_xy](dest_y + delta, src_y + delta, s->linesize);
2323 }
2324
2325 if(s->flags&CODEC_FLAG_GRAY) return;
2326
2327 if(emu){
c009df3f 2328 ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
0da71265
MN
2329 src_cb= s->edge_emu_buffer;
2330 }
2331 chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7);
2332
2333 if(emu){
c009df3f 2334 ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
0da71265
MN
2335 src_cr= s->edge_emu_buffer;
2336 }
2337 chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7);
2338}
2339
9f2d1b4f 2340static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
0da71265
MN
2341 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2342 int x_offset, int y_offset,
2343 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
2344 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
2345 int list0, int list1){
2346 MpegEncContext * const s = &h->s;
2347 qpel_mc_func *qpix_op= qpix_put;
2348 h264_chroma_mc_func chroma_op= chroma_put;
2349
2350 dest_y += 2*x_offset + 2*y_offset*s-> linesize;
2351 dest_cb += x_offset + y_offset*s->uvlinesize;
2352 dest_cr += x_offset + y_offset*s->uvlinesize;
2353 x_offset += 8*s->mb_x;
2354 y_offset += 8*s->mb_y;
2355
2356 if(list0){
1924f3ce 2357 Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
0da71265
MN
2358 mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
2359 dest_y, dest_cb, dest_cr, x_offset, y_offset,
2360 qpix_op, chroma_op);
2361
2362 qpix_op= qpix_avg;
2363 chroma_op= chroma_avg;
2364 }
2365
2366 if(list1){
1924f3ce 2367 Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
0da71265
MN
2368 mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
2369 dest_y, dest_cb, dest_cr, x_offset, y_offset,
2370 qpix_op, chroma_op);
2371 }
2372}
2373
9f2d1b4f
LM
2374static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
2375 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2376 int x_offset, int y_offset,
2377 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
2378 h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
2379 h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
2380 int list0, int list1){
2381 MpegEncContext * const s = &h->s;
2382
2383 dest_y += 2*x_offset + 2*y_offset*s-> linesize;
2384 dest_cb += x_offset + y_offset*s->uvlinesize;
2385 dest_cr += x_offset + y_offset*s->uvlinesize;
2386 x_offset += 8*s->mb_x;
2387 y_offset += 8*s->mb_y;
2388
2389 if(list0 && list1){
2390 /* don't optimize for luma-only case, since B-frames usually
2391 * use implicit weights => chroma too. */
2392 uint8_t *tmp_cb = s->obmc_scratchpad;
2393 uint8_t *tmp_cr = tmp_cb + 8*s->uvlinesize;
2394 uint8_t *tmp_y = tmp_cr + 8*s->uvlinesize;
2395 int refn0 = h->ref_cache[0][ scan8[n] ];
2396 int refn1 = h->ref_cache[1][ scan8[n] ];
2397
2398 mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
2399 dest_y, dest_cb, dest_cr,
2400 x_offset, y_offset, qpix_put, chroma_put);
2401 mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
2402 tmp_y, tmp_cb, tmp_cr,
2403 x_offset, y_offset, qpix_put, chroma_put);
2404
2405 if(h->use_weight == 2){
2406 int weight0 = h->implicit_weight[refn0][refn1];
2407 int weight1 = 64 - weight0;
2408 luma_weight_avg( dest_y, tmp_y, s-> linesize, 5, weight0, weight1, 0, 0);
2409 chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0, 0);
2410 chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0, 0);
2411 }else{
2412 luma_weight_avg(dest_y, tmp_y, s->linesize, h->luma_log2_weight_denom,
2413 h->luma_weight[0][refn0], h->luma_weight[1][refn1],
2414 h->luma_offset[0][refn0], h->luma_offset[1][refn1]);
2415 chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, h->chroma_log2_weight_denom,
2416 h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
2417 h->chroma_offset[0][refn0][0], h->chroma_offset[1][refn1][0]);
2418 chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, h->chroma_log2_weight_denom,
2419 h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
2420 h->chroma_offset[0][refn0][1], h->chroma_offset[1][refn1][1]);
2421 }
2422 }else{
2423 int list = list1 ? 1 : 0;
2424 int refn = h->ref_cache[list][ scan8[n] ];
2425 Picture *ref= &h->ref_list[list][refn];
2426 mc_dir_part(h, ref, n, square, chroma_height, delta, list,
2427 dest_y, dest_cb, dest_cr, x_offset, y_offset,
2428 qpix_put, chroma_put);
2429
2430 luma_weight_op(dest_y, s->linesize, h->luma_log2_weight_denom,
2431 h->luma_weight[list][refn], h->luma_offset[list][refn]);
2432 if(h->use_weight_chroma){
2433 chroma_weight_op(dest_cb, s->uvlinesize, h->chroma_log2_weight_denom,
2434 h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
2435 chroma_weight_op(dest_cr, s->uvlinesize, h->chroma_log2_weight_denom,
2436 h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
2437 }
2438 }
2439}
2440
2441static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
2442 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2443 int x_offset, int y_offset,
2444 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
2445 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
2446 h264_weight_func *weight_op, h264_biweight_func *weight_avg,
2447 int list0, int list1){
2448 if((h->use_weight==2 && list0 && list1
2449 && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
2450 || h->use_weight==1)
2451 mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
2452 x_offset, y_offset, qpix_put, chroma_put,
2453 weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
2454 else
2455 mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
2456 x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
2457}
2458
0da71265
MN
2459static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2460 qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
9f2d1b4f
LM
2461 qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
2462 h264_weight_func *weight_op, h264_biweight_func *weight_avg){
0da71265 2463 MpegEncContext * const s = &h->s;
7bc9090a 2464 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
0da71265
MN
2465 const int mb_type= s->current_picture.mb_type[mb_xy];
2466
2467 assert(IS_INTER(mb_type));
2468
2469 if(IS_16X16(mb_type)){
2470 mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
2471 qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
9f2d1b4f 2472 &weight_op[0], &weight_avg[0],
0da71265
MN
2473 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
2474 }else if(IS_16X8(mb_type)){
2475 mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
2476 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
9f2d1b4f 2477 &weight_op[1], &weight_avg[1],
0da71265
MN
2478 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
2479 mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
2480 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
9f2d1b4f 2481 &weight_op[1], &weight_avg[1],
0da71265
MN
2482 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
2483 }else if(IS_8X16(mb_type)){
2484 mc_part(h, 0, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 0, 0,
2485 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 2486 &weight_op[2], &weight_avg[2],
0da71265
MN
2487 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
2488 mc_part(h, 4, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 4, 0,
2489 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 2490 &weight_op[2], &weight_avg[2],
0da71265
MN
2491 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
2492 }else{
2493 int i;
2494
2495 assert(IS_8X8(mb_type));
2496
2497 for(i=0; i<4; i++){
2498 const int sub_mb_type= h->sub_mb_type[i];
2499 const int n= 4*i;
2500 int x_offset= (i&1)<<2;
2501 int y_offset= (i&2)<<1;
2502
2503 if(IS_SUB_8X8(sub_mb_type)){
2504 mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
2505 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 2506 &weight_op[3], &weight_avg[3],
0da71265
MN
2507 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2508 }else if(IS_SUB_8X4(sub_mb_type)){
2509 mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
2510 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
9f2d1b4f 2511 &weight_op[4], &weight_avg[4],
0da71265
MN
2512 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2513 mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
2514 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
9f2d1b4f 2515 &weight_op[4], &weight_avg[4],
0da71265
MN
2516 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2517 }else if(IS_SUB_4X8(sub_mb_type)){
2518 mc_part(h, n , 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
2519 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 2520 &weight_op[5], &weight_avg[5],
0da71265
MN
2521 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2522 mc_part(h, n+1, 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
2523 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 2524 &weight_op[5], &weight_avg[5],
0da71265
MN
2525 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2526 }else{
2527 int j;
2528 assert(IS_SUB_4X4(sub_mb_type));
2529 for(j=0; j<4; j++){
2530 int sub_x_offset= x_offset + 2*(j&1);
2531 int sub_y_offset= y_offset + (j&2);
2532 mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
2533 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 2534 &weight_op[6], &weight_avg[6],
0da71265
MN
2535 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2536 }
2537 }
2538 }
2539 }
2540}
2541
2542static void decode_init_vlc(H264Context *h){
2543 static int done = 0;
2544
2545 if (!done) {
2546 int i;
2547 done = 1;
2548
2549 init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
2550 &chroma_dc_coeff_token_len [0], 1, 1,
073c2593 2551 &chroma_dc_coeff_token_bits[0], 1, 1, 1);
0da71265
MN
2552
2553 for(i=0; i<4; i++){
2554 init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
2555 &coeff_token_len [i][0], 1, 1,
073c2593 2556 &coeff_token_bits[i][0], 1, 1, 1);
0da71265
MN
2557 }
2558
2559 for(i=0; i<3; i++){
2560 init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
2561 &chroma_dc_total_zeros_len [i][0], 1, 1,
073c2593 2562 &chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
0da71265
MN
2563 }
2564 for(i=0; i<15; i++){
2565 init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
2566 &total_zeros_len [i][0], 1, 1,
073c2593 2567 &total_zeros_bits[i][0], 1, 1, 1);
0da71265
MN
2568 }
2569
2570 for(i=0; i<6; i++){
2571 init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
2572 &run_len [i][0], 1, 1,
073c2593 2573 &run_bits[i][0], 1, 1, 1);
0da71265
MN
2574 }
2575 init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
2576 &run_len [6][0], 1, 1,
073c2593 2577 &run_bits[6][0], 1, 1, 1);
0da71265
MN
2578 }
2579}
2580
2581/**
2582 * Sets the intra prediction function pointers.
2583 */
2584static void init_pred_ptrs(H264Context *h){
2585// MpegEncContext * const s = &h->s;
2586
2587 h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
2588 h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
2589 h->pred4x4[DC_PRED ]= pred4x4_dc_c;
2590 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
2591 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
2592 h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
2593 h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
2594 h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
2595 h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
2596 h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
2597 h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
2598 h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
2599
2600 h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
2601 h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
2602 h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
2603 h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
2604 h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
2605 h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
2606 h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
2607
2608 h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c;
2609 h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c;
2610 h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c;
2611 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
2612 h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
2613 h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
2614 h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
2615}
2616
0da71265 2617static void free_tables(H264Context *h){
0da71265 2618 av_freep(&h->intra4x4_pred_mode);
e5017ab8
LA
2619 av_freep(&h->chroma_pred_mode_table);
2620 av_freep(&h->cbp_table);
9e528114
LA
2621 av_freep(&h->mvd_table[0]);
2622 av_freep(&h->mvd_table[1]);
5ad984c9 2623 av_freep(&h->direct_table);
0da71265
MN
2624 av_freep(&h->non_zero_count);
2625 av_freep(&h->slice_table_base);
6ba71fc4
LLL
2626 av_freep(&h->top_borders[1]);
2627 av_freep(&h->top_borders[0]);
0da71265 2628 h->slice_table= NULL;
e5017ab8 2629
0da71265
MN
2630 av_freep(&h->mb2b_xy);
2631 av_freep(&h->mb2b8_xy);
9f2d1b4f
LM
2632
2633 av_freep(&h->s.obmc_scratchpad);
0da71265
MN
2634}
2635
2636/**
2637 * allocates tables.
2638 * needs widzh/height
2639 */
2640static int alloc_tables(H264Context *h){
2641 MpegEncContext * const s = &h->s;
7bc9090a 2642 const int big_mb_num= s->mb_stride * (s->mb_height+1);
0da71265
MN
2643 int x,y;
2644
2645 CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
e5017ab8 2646
53c05b1e 2647 CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t))
0da71265 2648 CHECKED_ALLOCZ(h->slice_table_base , big_mb_num * sizeof(uint8_t))
6ba71fc4
LLL
2649 CHECKED_ALLOCZ(h->top_borders[0] , s->mb_width * (16+8+8) * sizeof(uint8_t))
2650 CHECKED_ALLOCZ(h->top_borders[1] , s->mb_width * (16+8+8) * sizeof(uint8_t))
5d0e4cb8 2651 CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
0da71265 2652
e5017ab8
LA
2653 if( h->pps.cabac ) {
2654 CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
9e528114
LA
2655 CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
2656 CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
5ad984c9 2657 CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
e5017ab8
LA
2658 }
2659
0da71265 2660 memset(h->slice_table_base, -1, big_mb_num * sizeof(uint8_t));
7bc9090a 2661 h->slice_table= h->slice_table_base + s->mb_stride + 1;
0da71265
MN
2662
2663 CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint16_t));
2664 CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint16_t));
2665 for(y=0; y<s->mb_height; y++){
2666 for(x=0; x<s->mb_width; x++){
7bc9090a 2667 const int mb_xy= x + y*s->mb_stride;
0da71265
MN
2668 const int b_xy = 4*x + 4*y*h->b_stride;
2669 const int b8_xy= 2*x + 2*y*h->b8_stride;
2670
2671 h->mb2b_xy [mb_xy]= b_xy;
2672 h->mb2b8_xy[mb_xy]= b8_xy;
2673 }
2674 }
9f2d1b4f 2675
9c6221ae
GV
2676 s->obmc_scratchpad = NULL;
2677
0da71265
MN
2678 return 0;
2679fail:
2680 free_tables(h);
2681 return -1;
2682}
2683
2684static void common_init(H264Context *h){
2685 MpegEncContext * const s = &h->s;
0da71265
MN
2686
2687 s->width = s->avctx->width;
2688 s->height = s->avctx->height;
2689 s->codec_id= s->avctx->codec->id;
2690
2691 init_pred_ptrs(h);
2692
9a41c2c7 2693 s->unrestricted_mv=1;
0da71265
MN
2694 s->decode=1; //FIXME
2695}
2696
2697static int decode_init(AVCodecContext *avctx){
2698 H264Context *h= avctx->priv_data;
2699 MpegEncContext * const s = &h->s;
2700
3edcacde
MN
2701 MPV_decode_defaults(s);
2702
0da71265
MN
2703 s->avctx = avctx;
2704 common_init(h);
2705
2706 s->out_format = FMT_H264;
2707 s->workaround_bugs= avctx->workaround_bugs;
2708
2709 // set defaults
0da71265
MN
2710// s->decode_mb= ff_h263_decode_mb;
2711 s->low_delay= 1;
2712 avctx->pix_fmt= PIX_FMT_YUV420P;
2713
2714 decode_init_vlc(h);
2715
26165f99
MR
2716 if(avctx->extradata_size > 0 && avctx->extradata &&
2717 *(char *)avctx->extradata == 1){
4770b1b4
RT
2718 h->is_avc = 1;
2719 h->got_avcC = 0;
26165f99
MR
2720 } else {
2721 h->is_avc = 0;
4770b1b4
RT
2722 }
2723
0da71265
MN
2724 return 0;
2725}
2726
2727static void frame_start(H264Context *h){
2728 MpegEncContext * const s = &h->s;
2729 int i;
2730
2731 MPV_frame_start(s, s->avctx);
2732 ff_er_frame_start(s);
0da71265
MN
2733
2734 assert(s->linesize && s->uvlinesize);
2735
2736 for(i=0; i<16; i++){
2737 h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
6867a90b 2738 h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
0da71265
MN
2739 }
2740 for(i=0; i<4; i++){
2741 h->block_offset[16+i]=
2742 h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
6867a90b
LLL
2743 h->block_offset[24+16+i]=
2744 h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
0da71265
MN
2745 }
2746
934b0821
LM
2747 /* can't be in alloc_tables because linesize isn't known there.
2748 * FIXME: redo bipred weight to not require extra buffer? */
2749 if(!s->obmc_scratchpad)
2750 s->obmc_scratchpad = av_malloc(16*s->linesize + 2*8*s->uvlinesize);
2751
0da71265
MN
2752// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
2753}
2754
53c05b1e
MN
2755static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
2756 MpegEncContext * const s = &h->s;
2757 int i;
2758
2759 src_y -= linesize;
2760 src_cb -= uvlinesize;
2761 src_cr -= uvlinesize;
2762
6867a90b
LLL
2763 // There is two lines saved, the line above the the top macroblock of a pair,
2764 // and the line above the bottom macroblock
6ba71fc4 2765 h->left_border[0]= h->top_borders[0][s->mb_x][15];
53c05b1e
MN
2766 for(i=1; i<17; i++){
2767 h->left_border[i]= src_y[15+i* linesize];
2768 }
2769
6ba71fc4
LLL
2770 *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
2771 *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
53c05b1e
MN
2772
2773 if(!(s->flags&CODEC_FLAG_GRAY)){
6ba71fc4
LLL
2774 h->left_border[17 ]= h->top_borders[0][s->mb_x][16+7];
2775 h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
53c05b1e
MN
2776 for(i=1; i<9; i++){
2777 h->left_border[i+17 ]= src_cb[7+i*uvlinesize];
2778 h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
2779 }
6ba71fc4
LLL
2780 *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
2781 *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
53c05b1e
MN
2782 }
2783}
2784
2785static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
2786 MpegEncContext * const s = &h->s;
2787 int temp8, i;
2788 uint64_t temp64;
d89dc06a
LM
2789 int deblock_left = (s->mb_x > 0);
2790 int deblock_top = (s->mb_y > 0);
53c05b1e
MN
2791
2792 src_y -= linesize + 1;
2793 src_cb -= uvlinesize + 1;
2794 src_cr -= uvlinesize + 1;
2795
2796#define XCHG(a,b,t,xchg)\
2797t= a;\
2798if(xchg)\
2799 a= b;\
2800b= t;
d89dc06a
LM
2801
2802 if(deblock_left){
2803 for(i = !deblock_top; i<17; i++){
2804 XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
2805 }
2806 }
2807
2808 if(deblock_top){
6ba71fc4
LLL
2809 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
2810 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
53c05b1e 2811 }
53c05b1e
MN
2812
2813 if(!(s->flags&CODEC_FLAG_GRAY)){
d89dc06a
LM
2814 if(deblock_left){
2815 for(i = !deblock_top; i<9; i++){
2816 XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
2817 XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
2818 }
2819 }
2820 if(deblock_top){
6ba71fc4
LLL
2821 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
2822 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
2823 }
2824 }
2825}
2826
2827static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
2828 MpegEncContext * const s = &h->s;
2829 int i;
2830
2831 src_y -= 2 * linesize;
2832 src_cb -= 2 * uvlinesize;
2833 src_cr -= 2 * uvlinesize;
2834
2835 // There is two lines saved, the line above the the top macroblock of a pair,
2836 // and the line above the bottom macroblock
2837 h->left_border[0]= h->top_borders[0][s->mb_x][15];
2838 h->left_border[1]= h->top_borders[1][s->mb_x][15];
2839 for(i=2; i<34; i++){
2840 h->left_border[i]= src_y[15+i* linesize];
2841 }
2842
2843 *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 32*linesize);
2844 *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
2845 *(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize);
2846 *(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
2847
2848 if(!(s->flags&CODEC_FLAG_GRAY)){
2849 h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7];
2850 h->left_border[34+ 1]= h->top_borders[1][s->mb_x][16+7];
2851 h->left_border[34+18 ]= h->top_borders[0][s->mb_x][24+7];
2852 h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
2853 for(i=2; i<18; i++){
2854 h->left_border[i+34 ]= src_cb[7+i*uvlinesize];
2855 h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
2856 }
2857 *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
2858 *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
2859 *(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
2860 *(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
2861 }
2862}
2863
2864static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
2865 MpegEncContext * const s = &h->s;
2866 int temp8, i;
2867 uint64_t temp64;
2868 int deblock_left = (s->mb_x > 0);
2869 int deblock_top = (s->mb_y > 0);
2870
2871 tprintf("xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
2872
2873 src_y -= 2 * linesize + 1;
2874 src_cb -= 2 * uvlinesize + 1;
2875 src_cr -= 2 * uvlinesize + 1;
2876
2877#define XCHG(a,b,t,xchg)\
2878t= a;\
2879if(xchg)\
2880 a= b;\
2881b= t;
2882
2883 if(deblock_left){
2884 for(i = (!deblock_top)<<1; i<34; i++){
2885 XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
2886 }
2887 }
2888
2889 if(deblock_top){
2890 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
2891 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
2892 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
2893 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
2894 }
2895
2896 if(!(s->flags&CODEC_FLAG_GRAY)){
2897 if(deblock_left){
2898 for(i = (!deblock_top) << 1; i<18; i++){
2899 XCHG(h->left_border[i+34 ], src_cb[i*uvlinesize], temp8, xchg);
2900 XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
2901 }
2902 }
2903 if(deblock_top){
2904 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
2905 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
2906 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
2907 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
53c05b1e 2908 }
53c05b1e
MN
2909 }
2910}
2911
0da71265
MN
2912static void hl_decode_mb(H264Context *h){
2913 MpegEncContext * const s = &h->s;
2914 const int mb_x= s->mb_x;
2915 const int mb_y= s->mb_y;
7bc9090a 2916 const int mb_xy= mb_x + mb_y*s->mb_stride;
0da71265
MN
2917 const int mb_type= s->current_picture.mb_type[mb_xy];
2918 uint8_t *dest_y, *dest_cb, *dest_cr;
2919 int linesize, uvlinesize /*dct_offset*/;
2920 int i;
6867a90b 2921 int *block_offset = &h->block_offset[0];
6ba71fc4 2922 const unsigned int bottom = mb_y & 1;
0da71265
MN
2923
2924 if(!s->decode)
2925 return;
2926
0da71265
MN
2927 dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
2928 dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
2929 dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
2930
2931 if (h->mb_field_decoding_flag) {
2932 linesize = s->linesize * 2;
2933 uvlinesize = s->uvlinesize * 2;
6867a90b 2934 block_offset = &h->block_offset[24];
0da71265
MN
2935 if(mb_y&1){ //FIXME move out of this func?
2936 dest_y -= s->linesize*15;
6867a90b
LLL
2937 dest_cb-= s->uvlinesize*7;
2938 dest_cr-= s->uvlinesize*7;
0da71265
MN
2939 }
2940 } else {
2941 linesize = s->linesize;
2942 uvlinesize = s->uvlinesize;
2943// dct_offset = s->linesize * 16;
2944 }
2945
6fbcaaa0
LLL
2946 if (IS_INTRA_PCM(mb_type)) {
2947 unsigned int x, y;
2948
2949 // The pixels are stored in h->mb array in the same order as levels,
2950 // copy them in output in the correct order.
2951 for(i=0; i<16; i++) {
2952 for (y=0; y<4; y++) {
2953 for (x=0; x<4; x++) {
6867a90b 2954 *(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
6fbcaaa0
LLL
2955 }
2956 }
2957 }
2958 for(i=16; i<16+4; i++) {
2959 for (y=0; y<4; y++) {
2960 for (x=0; x<4; x++) {
6867a90b 2961 *(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
6fbcaaa0
LLL
2962 }
2963 }
2964 }
2965 for(i=20; i<20+4; i++) {
2966 for (y=0; y<4; y++) {
2967 for (x=0; x<4; x++) {
6867a90b 2968 *(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
6fbcaaa0
LLL
2969 }
2970 }
2971 }
e7e09b49
LLL
2972 } else {
2973 if(IS_INTRA(mb_type)){
6ba71fc4
LLL
2974 if(h->deblocking_filter) {
2975 if (h->mb_aff_frame) {
2976 if (!bottom)
2977 xchg_pair_border(h, dest_y, dest_cb, dest_cr, s->linesize, s->uvlinesize, 1);
2978 } else {
2979 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
2980 }
2981 }
53c05b1e 2982
e7e09b49
LLL
2983 if(!(s->flags&CODEC_FLAG_GRAY)){
2984 h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
2985 h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
2986 }
0da71265 2987
e7e09b49
LLL
2988 if(IS_INTRA4x4(mb_type)){
2989 if(!s->encoding){
2990 for(i=0; i<16; i++){
6867a90b 2991 uint8_t * const ptr= dest_y + block_offset[i];
e7e09b49
LLL
2992 uint8_t *topright;
2993 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
2994 int tr;
2995
2996 if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
2997 const int topright_avail= (h->topright_samples_available<<i)&0x8000;
6867a90b 2998 assert(mb_y || linesize <= block_offset[i]);
e7e09b49
LLL
2999 if(!topright_avail){
3000 tr= ptr[3 - linesize]*0x01010101;
3001 topright= (uint8_t*) &tr;
3002 }else if(i==5 && h->deblocking_filter){
6ba71fc4 3003 tr= *(uint32_t*)h->top_borders[h->mb_aff_frame ? IS_INTERLACED(mb_type) ? bottom : 1 : 0][mb_x+1];
e7e09b49
LLL
3004 topright= (uint8_t*) &tr;
3005 }else
3006 topright= ptr + 4 - linesize;
a9799653 3007 }else
e7e09b49
LLL
3008 topright= NULL;
3009
3010 h->pred4x4[ dir ](ptr, topright, linesize);
3011 if(h->non_zero_count_cache[ scan8[i] ]){
3012 if(s->codec_id == CODEC_ID_H264)
3013 s->dsp.h264_idct_add(ptr, h->mb + i*16, linesize);
3014 else
3015 svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
3016 }
8b82a956 3017 }
0da71265 3018 }
e7e09b49
LLL
3019 }else{
3020 h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
3021 if(s->codec_id == CODEC_ID_H264)
3022 h264_luma_dc_dequant_idct_c(h->mb, s->qscale);
3023 else
3024 svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
0da71265 3025 }
6ba71fc4
LLL
3026 if(h->deblocking_filter) {
3027 if (h->mb_aff_frame) {
3028 if (bottom) {
3029 uint8_t *pair_dest_y = s->current_picture.data[0] + ((mb_y-1) * 16* s->linesize ) + mb_x * 16;
3030 uint8_t *pair_dest_cb = s->current_picture.data[1] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
3031 uint8_t *pair_dest_cr = s->current_picture.data[2] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
3032 s->mb_y--;
3033 xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
3034 s->mb_y++;
3035 }
3036 } else {
3037 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
3038 }
3039 }
e7e09b49
LLL
3040 }else if(s->codec_id == CODEC_ID_H264){
3041 hl_motion(h, dest_y, dest_cb, dest_cr,
3042 s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
3043 s->dsp.avg_h264_qpel_pixels_tab, s->dsp.avg_h264_chroma_pixels_tab,
3044 s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
0da71265 3045 }
e7e09b49
LLL
3046
3047
3048 if(!IS_INTRA4x4(mb_type)){
3049 if(s->codec_id == CODEC_ID_H264){
3050 for(i=0; i<16; i++){
3051 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
6867a90b 3052 uint8_t * const ptr= dest_y + block_offset[i];
e7e09b49
LLL
3053 s->dsp.h264_idct_add(ptr, h->mb + i*16, linesize);
3054 }
4704097a 3055 }
e7e09b49
LLL
3056 }else{
3057 for(i=0; i<16; i++){
3058 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
6867a90b 3059 uint8_t * const ptr= dest_y + block_offset[i];
e7e09b49
LLL
3060 svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
3061 }
4704097a 3062 }
0da71265
MN
3063 }
3064 }
0da71265 3065
e7e09b49
LLL
3066 if(!(s->flags&CODEC_FLAG_GRAY)){
3067 chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp);
3068 chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp);
3069 if(s->codec_id == CODEC_ID_H264){
3070 for(i=16; i<16+4; i++){
3071 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3072 uint8_t * const ptr= dest_cb + block_offset[i];
e7e09b49
LLL
3073 s->dsp.h264_idct_add(ptr, h->mb + i*16, uvlinesize);
3074 }
4704097a 3075 }
e7e09b49
LLL
3076 for(i=20; i<20+4; i++){
3077 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3078 uint8_t * const ptr= dest_cr + block_offset[i];
e7e09b49
LLL
3079 s->dsp.h264_idct_add(ptr, h->mb + i*16, uvlinesize);
3080 }
4704097a 3081 }
e7e09b49
LLL
3082 }else{
3083 for(i=16; i<16+4; i++){
3084 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3085 uint8_t * const ptr= dest_cb + block_offset[i];
e7e09b49
LLL
3086 svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
3087 }
4704097a 3088 }
e7e09b49
LLL
3089 for(i=20; i<20+4; i++){
3090 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3091 uint8_t * const ptr= dest_cr + block_offset[i];
e7e09b49
LLL
3092 svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
3093 }
4704097a 3094 }
0da71265
MN
3095 }
3096 }
3097 }
53c05b1e 3098 if(h->deblocking_filter) {
6ba71fc4
LLL
3099 if (h->mb_aff_frame) {
3100 const int mb_y = s->mb_y - 1;
3101 uint8_t *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
3102 const int mb_xy= mb_x + mb_y*s->mb_stride;
3103 const int mb_type_top = s->current_picture.mb_type[mb_xy];
3104 const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
3105 uint8_t tmp = s->current_picture.data[1][384];
3106 if (!bottom) return;
3107 pair_dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
3108 pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
3109 pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
3110
3111 backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
3112 // TODO deblock a pair
3113 // top
3114 s->mb_y--;
3115 tprintf("call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
3116 fill_caches(h, mb_type_top, 1); //FIXME dont fill stuff which isnt used by filter_mb
3117 filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
3118 if (tmp != s->current_picture.data[1][384]) {
3119 tprintf("modified pixel 8,1 (1)\n");
3120 }
3121 // bottom
3122 s->mb_y++;
3123 tprintf("call mbaff filter_mb\n");
3124 fill_caches(h, mb_type_bottom, 1); //FIXME dont fill stuff which isnt used by filter_mb
3125 filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3126 if (tmp != s->current_picture.data[1][384]) {
3127 tprintf("modified pixel 8,1 (2)\n");
3128 }
3129 } else {
3130 tprintf("call filter_mb\n");
3131 backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3132 fill_caches(h, mb_type, 1); //FIXME dont fill stuff which isnt used by filter_mb
3133 filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3134 }
53c05b1e 3135 }
0da71265
MN
3136}
3137
0da71265
MN
3138/**
3139 * fills the default_ref_list.
3140 */
3141static int fill_default_ref_list(H264Context *h){
3142 MpegEncContext * const s = &h->s;
3143 int i;
827c91bf 3144 int smallest_poc_greater_than_current = -1;
17107065 3145 Picture sorted_short_ref[32];
0da71265
MN
3146
3147 if(h->slice_type==B_TYPE){
3148 int out_i;
3149 int limit= -1;
3150
827c91bf 3151 /* sort frame according to poc in B slice */
0da71265
MN
3152 for(out_i=0; out_i<h->short_ref_count; out_i++){
3153 int best_i=-1;
792bb815 3154 int best_poc=INT_MAX;
0da71265
MN
3155
3156 for(i=0; i<h->short_ref_count; i++){
3157 const int poc= h->short_ref[i]->poc;
3158 if(poc > limit && poc < best_poc){
3159 best_poc= poc;
3160 best_i= i;
3161 }
3162 }
3163
3164 assert(best_i != -1);
3165
3166 limit= best_poc;
3167 sorted_short_ref[out_i]= *h->short_ref[best_i];
827c91bf
LLL
3168 tprintf("sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
3169 if (-1 == smallest_poc_greater_than_current) {
3170 if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
3171 smallest_poc_greater_than_current = out_i;
3172 }
3173 }
0da71265
MN
3174 }
3175 }
3176
3177 if(s->picture_structure == PICT_FRAME){
3178 if(h->slice_type==B_TYPE){
0da71265 3179 int list;
827c91bf 3180 tprintf("current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
0da71265 3181
827c91bf 3182 // find the largest poc
0da71265 3183 for(list=0; list<2; list++){
827c91bf 3184 int index = 0;
3b33943e
MN
3185 int j= -99;
3186 int step= list ? -1 : 1;
827c91bf 3187
3b33943e
MN
3188 for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
3189 while(j<0 || j>= h->short_ref_count){
3190 step = -step;
3191 j= smallest_poc_greater_than_current + (step>>1);
0da71265 3192 }
3b33943e
MN
3193 if(sorted_short_ref[j].reference != 3) continue;
3194 h->default_ref_list[list][index ]= sorted_short_ref[j];
3195 h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
0da71265
MN
3196 }
3197
827c91bf
LLL
3198 for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
3199 if(h->long_ref[i] == NULL) continue;
0da71265
MN
3200 if(h->long_ref[i]->reference != 3) continue;
3201
3202 h->default_ref_list[ list ][index ]= *h->long_ref[i];
3203 h->default_ref_list[ list ][index++].pic_id= i;;
3204 }
3205
3b33943e 3206 if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
827c91bf
LLL
3207 // swap the two first elements of L1 when
3208 // L0 and L1 are identical
0da71265
MN
3209 Picture temp= h->default_ref_list[1][0];
3210 h->default_ref_list[1][0] = h->default_ref_list[1][1];
3211 h->default_ref_list[1][0] = temp;
3212 }
3213
3214 if(index < h->ref_count[ list ])
3215 memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
3216 }
3217 }else{
3218 int index=0;
2f944356 3219 for(i=0; i<h->short_ref_count; i++){
0da71265
MN
3220 if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
3221 h->default_ref_list[0][index ]= *h->short_ref[i];
3222 h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
3223 }
2f944356 3224 for(i = 0; i < 16; i++){
827c91bf 3225 if(h->long_ref[i] == NULL) continue;
0da71265
MN
3226 if(h->long_ref[i]->reference != 3) continue;
3227 h->default_ref_list[0][index ]= *h->long_ref[i];
3228 h->default_ref_list[0][index++].pic_id= i;;
3229 }
3230 if(index < h->ref_count[0])
3231 memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
3232 }
3233 }else{ //FIELD
3234 if(h->slice_type==B_TYPE){
3235 }else{
3236 //FIXME second field balh
3237 }
3238 }
827c91bf
LLL
3239#ifdef TRACE
3240 for (i=0; i<h->ref_count[0]; i++) {
3241 tprintf("List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
3242 }
3243 if(h->slice_type==B_TYPE){
3244 for (i=0; i<h->ref_count[1]; i++) {
3245 tprintf("List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
3246 }
3247 }
3248#endif
0da71265
MN
3249 return 0;
3250}
3251
827c91bf
LLL
3252static void print_short_term(H264Context *h);
3253static void print_long_term(H264Context *h);
3254
0da71265
MN
3255static int decode_ref_pic_list_reordering(H264Context *h){
3256 MpegEncContext * const s = &h->s;
3257 int list;
3258
827c91bf
LLL
3259 print_short_term(h);
3260 print_long_term(h);
0da71265
MN
3261 if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move beofre func
3262
3263 for(list=0; list<2; list++){
3264 memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
3265
3266 if(get_bits1(&s->gb)){
3267 int pred= h->curr_pic_num;
3268 int index;
3269
3270 for(index=0; ; index++){
3271 int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
3272 int pic_id;
3273 int i;
2f944356 3274 Picture *ref = NULL;
0da71265 3275
0bc42cad
LM
3276 if(reordering_of_pic_nums_idc==3)
3277 break;
0da71265
MN
3278
3279 if(index >= h->ref_count[list]){
9b879566 3280 av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
0da71265
MN
3281 return -1;
3282 }
3283
3284 if(reordering_of_pic_nums_idc<3){
3285 if(reordering_of_pic_nums_idc<2){
3286 const int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
3287
3288 if(abs_diff_pic_num >= h->max_pic_num){
9b879566 3289 av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
0da71265
MN
3290 return -1;
3291 }
3292
3293 if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
3294 else pred+= abs_diff_pic_num;
3295 pred &= h->max_pic_num - 1;
3296
2f944356
LM
3297 for(i= h->short_ref_count-1; i>=0; i--){
3298 ref = h->short_ref[i];
3299 if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer
0da71265
MN
3300 break;
3301 }
3302 }else{
3303 pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
2f944356 3304 ref = h->long_ref[pic_id];
0da71265
MN
3305 }
3306
0d315f28 3307 if (i < 0) {
9b879566 3308 av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
0da71265 3309 memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
2f944356
LM
3310 } else {
3311 h->ref_list[list][index]= *ref;
0da71265 3312 }
0bc42cad 3313 }else{
9b879566 3314 av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
0da71265
MN
3315 return -1;
3316 }
3317 }
3318 }
3319
3320 if(h->slice_type!=B_TYPE) break;
3321 }
5ad984c9
LM
3322
3323 if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
3324 direct_dist_scale_factor(h);
2f944356 3325 direct_ref_list_init(h);
0da71265
MN
3326 return 0;
3327}
3328
3329static int pred_weight_table(H264Context *h){
3330 MpegEncContext * const s = &h->s;
3331 int list, i;
9f2d1b4f 3332 int luma_def, chroma_def;
0da71265 3333
9f2d1b4f
LM
3334 h->use_weight= 0;
3335 h->use_weight_chroma= 0;
0da71265
MN
3336 h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
3337 h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
9f2d1b4f
LM
3338 luma_def = 1<<h->luma_log2_weight_denom;
3339 chroma_def = 1<<h->chroma_log2_weight_denom;
0da71265
MN
3340
3341 for(list=0; list<2; list++){
3342 for(i=0; i<h->ref_count[list]; i++){
3343 int luma_weight_flag, chroma_weight_flag;
3344
3345 luma_weight_flag= get_bits1(&s->gb);
3346 if(luma_weight_flag){
3347 h->luma_weight[list][i]= get_se_golomb(&s->gb);
3348 h->luma_offset[list][i]= get_se_golomb(&s->gb);
9f2d1b4f
LM
3349 if( h->luma_weight[list][i] != luma_def
3350 || h->luma_offset[list][i] != 0)
3351 h->use_weight= 1;
3352 }else{
3353 h->luma_weight[list][i]= luma_def;
3354 h->luma_offset[list][i]= 0;
0da71265
MN
3355 }
3356
3357 chroma_weight_flag= get_bits1(&s->gb);
3358 if(chroma_weight_flag){
3359 int j;
3360 for(j=0; j<2; j++){
3361 h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
3362 h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
9f2d1b4f
LM
3363 if( h->chroma_weight[list][i][j] != chroma_def
3364 || h->chroma_offset[list][i][j] != 0)
3365 h->use_weight_chroma= 1;
3366 }
3367 }else{
3368 int j;
3369 for(j=0; j<2; j++){
3370 h->chroma_weight[list][i][j]= chroma_def;
3371 h->chroma_offset[list][i][j]= 0;
0da71265
MN
3372 }
3373 }
3374 }
3375 if(h->slice_type != B_TYPE) break;
3376 }
9f2d1b4f 3377 h->use_weight= h->use_weight || h->use_weight_chroma;
0da71265
MN
3378 return 0;
3379}
3380
9f2d1b4f
LM
3381static void implicit_weight_table(H264Context *h){
3382 MpegEncContext * const s = &h->s;
9f2d1b4f
LM
3383 int ref0, ref1;
3384 int cur_poc = s->current_picture_ptr->poc;
3385
3386 if( h->ref_count[0] == 1 && h->ref_count[1] == 1
3387 && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
3388 h->use_weight= 0;
3389 h->use_weight_chroma= 0;
3390 return;
3391 }
3392
3393 h->use_weight= 2;
3394 h->use_weight_chroma= 2;
3395 h->luma_log2_weight_denom= 5;
3396 h->chroma_log2_weight_denom= 5;
3397
3398 /* FIXME: MBAFF */
3399 for(ref0=0; ref0 < h->ref_count[0]; ref0++){
3400 int poc0 = h->ref_list[0][ref0].poc;
3401 for(ref1=0; ref1 < h->ref_count[1]; ref1++){
738386a5 3402 int poc1 = h->ref_list[1][ref1].poc;
9f2d1b4f
LM
3403 int td = clip(poc1 - poc0, -128, 127);
3404 if(td){
3405 int tb = clip(cur_poc - poc0, -128, 127);
3406 int tx = (16384 + (ABS(td) >> 1)) / td;
3407 int dist_scale_factor = clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
3408 if(dist_scale_factor < -64 || dist_scale_factor > 128)
3409 h->implicit_weight[ref0][ref1] = 32;
3410 else
3411 h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
3412 }else
3413 h->implicit_weight[ref0][ref1] = 32;
3414 }
3415 }
3416}
3417
4e4d983e
LM
3418static inline void unreference_pic(H264Context *h, Picture *pic){
3419 int i;
3420 pic->reference=0;
3421 if(pic == h->delayed_output_pic)
3422 pic->reference=1;
3423 else{
3424 for(i = 0; h->delayed_pic[i]; i++)
3425 if(pic == h->delayed_pic[i]){
3426 pic->reference=1;
3427 break;
3428 }
3429 }
3430}
3431
0da71265 3432/**
5175b937 3433 * instantaneous decoder refresh.
0da71265
MN
3434 */
3435static void idr(H264Context *h){
4e4d983e 3436 int i;
0da71265 3437
dc032f33
LLL
3438 for(i=0; i<16; i++){
3439 if (h->long_ref[i] != NULL) {
4e4d983e 3440 unreference_pic(h, h->long_ref[i]);
dc032f33
LLL
3441 h->long_ref[i]= NULL;
3442 }
0da71265
MN
3443 }
3444 h->long_ref_count=0;
3445
3446 for(i=0; i<h->short_ref_count; i++){
4e4d983e 3447 unreference_pic(h, h->short_ref[i]);
0da71265
MN
3448 h->short_ref[i]= NULL;
3449 }
3450 h->short_ref_count=0;
3451}
3452
0da71265
MN
3453/**
3454 *
3455 * @return the removed picture or NULL if an error occures
3456 */
3457static Picture * remove_short(H264Context *h, int frame_num){
1924f3ce 3458 MpegEncContext * const s = &h->s;
0da71265
MN
3459 int i;
3460
1924f3ce 3461 if(s->avctx->debug&FF_DEBUG_MMCO)
9b879566 3462 av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
1924f3ce 3463
0da71265
MN
3464 for(i=0; i<h->short_ref_count; i++){
3465 Picture *pic= h->short_ref[i];
1924f3ce 3466 if(s->avctx->debug&FF_DEBUG_MMCO)
9b879566 3467 av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
0da71265
MN
3468 if(pic->frame_num == frame_num){
3469 h->short_ref[i]= NULL;
3470 memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*));
3471 h->short_ref_count--;
3472 return pic;
3473 }
3474 }
3475 return NULL;
3476}
3477
3478/**
3479 *
3480 * @return the removed picture or NULL if an error occures
3481 */
3482static Picture * remove_long(H264Context *h, int i){
3483 Picture *pic;
3484
0da71265 3485 pic= h->long_ref[i];
0da71265 3486 h->long_ref[i]= NULL;
827c91bf 3487 if(pic) h->long_ref_count--;
0da71265
MN
3488
3489 return pic;
3490}
3491
3492/**
827c91bf
LLL
3493 * print short term list
3494 */
3495static void print_short_term(H264Context *h) {
3496 uint32_t i;
3497 if(h->s.avctx->debug&FF_DEBUG_MMCO) {
3498 av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
3499 for(i=0; i<h->short_ref_count; i++){
3500 Picture *pic= h->short_ref[i];
3501 av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
3502 }
3503 }
3504}
3505
3506/**
3507 * print long term list
3508 */
3509static void print_long_term(H264Context *h) {
3510 uint32_t i;
3511 if(h->s.avctx->debug&FF_DEBUG_MMCO) {
3512 av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
3513 for(i = 0; i < 16; i++){
3514 Picture *pic= h->long_ref[i];
3515 if (pic) {
3516 av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
3517 }
3518 }
3519 }
3520}
3521
3522/**
0da71265
MN
3523 * Executes the reference picture marking (memory management control operations).
3524 */
3525static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
3526 MpegEncContext * const s = &h->s;
827c91bf 3527 int i, j;
0da71265
MN
3528 int current_is_long=0;
3529 Picture *pic;
3530
3531 if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
9b879566 3532 av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
0da71265
MN
3533
3534 for(i=0; i<mmco_count; i++){
3535 if(s->avctx->debug&FF_DEBUG_MMCO)
9b879566 3536 av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
0da71265
MN
3537
3538 switch(mmco[i].opcode){
3539 case MMCO_SHORT2UNUSED:
3540 pic= remove_short(h, mmco[i].short_frame_num);
3541 if(pic==NULL) return -1;
4e4d983e 3542 unreference_pic(h, pic);
0da71265
MN
3543 break;
3544 case MMCO_SHORT2LONG:
3545 pic= remove_long(h, mmco[i].long_index);
4e4d983e 3546 if(pic) unreference_pic(h, pic);
0da71265
MN
3547
3548 h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
3549 h->long_ref[ mmco[i].long_index ]->long_ref=1;
dc032f33 3550 h->long_ref_count++;
0da71265
MN
3551 break;
3552 case MMCO_LONG2UNUSED:
3553 pic= remove_long(h, mmco[i].long_index);
3554 if(pic==NULL) return -1;
4e4d983e 3555 unreference_pic(h, pic);
0da71265
MN
3556 break;
3557 case MMCO_LONG:
3558 pic= remove_long(h, mmco[i].long_index);
4e4d983e 3559 if(pic) unreference_pic(h, pic);
0da71265
MN
3560
3561 h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
3562 h->long_ref[ mmco[i].long_index ]->long_ref=1;
3563 h->long_ref_count++;
3564
3565 current_is_long=1;
3566 break;
3567 case MMCO_SET_MAX_LONG:
3568 assert(mmco[i].long_index <= 16);
827c91bf
LLL
3569 // just remove the long term which index is greater than new max
3570 for(j = mmco[i].long_index; j<16; j++){
3571 pic = remove_long(h, j);
4e4d983e 3572 if (pic) unreference_pic(h, pic);
0da71265
MN
3573 }
3574 break;
3575 case MMCO_RESET:
3576 while(h->short_ref_count){
3577 pic= remove_short(h, h->short_ref[0]->frame_num);
4e4d983e 3578 unreference_pic(h, pic);
0da71265 3579 }
827c91bf
LLL
3580 for(j = 0; j < 16; j++) {
3581 pic= remove_long(h, j);
4e4d983e 3582 if(pic) unreference_pic(h, pic);
0da71265
MN
3583 }
3584 break;
3585 default: assert(0);
3586 }
3587 }
3588
3589 if(!current_is_long){
3590 pic= remove_short(h, s->current_picture_ptr->frame_num);
3591 if(pic){
4e4d983e 3592 unreference_pic(h, pic);
9b879566 3593 av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
0da71265
MN
3594 }
3595
3596 if(h->short_ref_count)
1924f3ce
MN
3597 memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
3598
3599 h->short_ref[0]= s->current_picture_ptr;
0da71265
MN
3600 h->short_ref[0]->long_ref=0;
3601 h->short_ref_count++;
3602 }
3603
827c91bf
LLL
3604 print_short_term(h);
3605 print_long_term(h);
0da71265
MN
3606 return 0;
3607}
3608
3609static int decode_ref_pic_marking(H264Context *h){
3610 MpegEncContext * const s = &h->s;
3611 int i;
3612
3613 if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
3614 s->broken_link= get_bits1(&s->gb) -1;
3615 h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
3616 if(h->mmco[0].long_index == -1)
3617 h->mmco_index= 0;
3618 else{
3619 h->mmco[0].opcode= MMCO_LONG;
3620 h->mmco_index= 1;
3621 }
3622 }else{
3623 if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
579448a0 3624 for(i= 0; i<MAX_MMCO_COUNT; i++) {
0da71265
MN
3625 MMCOOpcode opcode= get_ue_golomb(&s->gb);;
3626
3627 h->mmco[i].opcode= opcode;
3628 if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
3629 h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
3630/* if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
3631 fprintf(stderr, "illegal short ref in memory management control operation %d\n", mmco);
3632 return -1;
3633 }*/
3634 }
3635 if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
3636 h->mmco[i].long_index= get_ue_golomb(&s->gb);
3637 if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ h->mmco[i].long_index >= 16){
9b879566 3638 av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
0da71265
MN
3639 return -1;
3640 }
3641 }
3642
3643 if(opcode > MMCO_LONG){
9b879566 3644 av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
0da71265
MN
3645 return -1;
3646 }
792bb815
MN
3647 if(opcode == MMCO_END)
3648 break;
0da71265
MN
3649 }
3650 h->mmco_index= i;
3651 }else{
3652 assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
3653
3654 if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields
3655 h->mmco[0].opcode= MMCO_SHORT2UNUSED;
3656 h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
3657 h->mmco_index= 1;
3658 }else
3659 h->mmco_index= 0;
3660 }
3661 }
3662
3663 return 0;
3664}
3665
3666static int init_poc(H264Context *h){
3667 MpegEncContext * const s = &h->s;
3668 const int max_frame_num= 1<<h->sps.log2_max_frame_num;
3669 int field_poc[2];
3670
3671 if(h->nal_unit_type == NAL_IDR_SLICE){