decode custom quant matrices.
[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;
36940eca 64 int transform_bypass; ///< qpprime_y_zero_transform_bypass_flag
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65 int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4
66 int poc_type; ///< pic_order_cnt_type
67 int log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4
68 int delta_pic_order_always_zero_flag;
69 int offset_for_non_ref_pic;
70 int offset_for_top_to_bottom_field;
71 int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle
72 int ref_frame_count; ///< num_ref_frames
a15e68de 73 int gaps_in_frame_num_allowed_flag;
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74 int mb_width; ///< frame_width_in_mbs_minus1 + 1
75 int mb_height; ///< frame_height_in_mbs_minus1 + 1
76 int frame_mbs_only_flag;
77 int mb_aff; ///<mb_adaptive_frame_field_flag
78 int direct_8x8_inference_flag;
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79 int crop; ///< frame_cropping_flag
80 int crop_left; ///< frame_cropping_rect_left_offset
81 int crop_right; ///< frame_cropping_rect_right_offset
82 int crop_top; ///< frame_cropping_rect_top_offset
83 int crop_bottom; ///< frame_cropping_rect_bottom_offset
0da71265 84 int vui_parameters_present_flag;
5ff85f1d 85 AVRational sar;
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86 int timing_info_present_flag;
87 uint32_t num_units_in_tick;
88 uint32_t time_scale;
89 int fixed_frame_rate_flag;
0da71265 90 short offset_for_ref_frame[256]; //FIXME dyn aloc?
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91 int bitstream_restriction_flag;
92 int num_reorder_frames;
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93 int scaling_matrix_present;
94 uint8_t scaling_matrix4[6][16];
95 uint8_t scaling_matrix8[2][64];
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96}SPS;
97
98/**
99 * Picture parameter set
100 */
101typedef struct PPS{
102 int sps_id;
103 int cabac; ///< entropy_coding_mode_flag
104 int pic_order_present; ///< pic_order_present_flag
105 int slice_group_count; ///< num_slice_groups_minus1 + 1
106 int mb_slice_group_map_type;
107 int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1
108 int weighted_pred; ///< weighted_pred_flag
109 int weighted_bipred_idc;
110 int init_qp; ///< pic_init_qp_minus26 + 26
111 int init_qs; ///< pic_init_qs_minus26 + 26
112 int chroma_qp_index_offset;
113 int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
114 int constrained_intra_pred; ///< constrained_intra_pred_flag
115 int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
43efd19a 116 int transform_8x8_mode; ///< transform_8x8_mode_flag
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117 uint8_t scaling_matrix4[6][16];
118 uint8_t scaling_matrix8[2][64];
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119}PPS;
120
121/**
122 * Memory management control operation opcode.
123 */
124typedef enum MMCOOpcode{
125 MMCO_END=0,
126 MMCO_SHORT2UNUSED,
127 MMCO_LONG2UNUSED,
128 MMCO_SHORT2LONG,
129 MMCO_SET_MAX_LONG,
130 MMCO_RESET,
131 MMCO_LONG,
132} MMCOOpcode;
133
134/**
135 * Memory management control operation.
136 */
137typedef struct MMCO{
138 MMCOOpcode opcode;
139 int short_frame_num;
140 int long_index;
141} MMCO;
142
143/**
144 * H264Context
145 */
146typedef struct H264Context{
147 MpegEncContext s;
148 int nal_ref_idc;
149 int nal_unit_type;
150#define NAL_SLICE 1
151#define NAL_DPA 2
152#define NAL_DPB 3
153#define NAL_DPC 4
154#define NAL_IDR_SLICE 5
155#define NAL_SEI 6
156#define NAL_SPS 7
157#define NAL_PPS 8
158#define NAL_PICTURE_DELIMITER 9
159#define NAL_FILTER_DATA 10
160 uint8_t *rbsp_buffer;
161 int rbsp_buffer_size;
162
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163 /**
164 * Used to parse AVC variant of h264
165 */
166 int is_avc; ///< this flag is != 0 if codec is avc1
167 int got_avcC; ///< flag used to parse avcC data only once
168 int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
169
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170 int chroma_qp; //QPc
171
160d679c 172 int prev_mb_skipped; //FIXME remove (IMHO not used)
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173
174 //prediction stuff
175 int chroma_pred_mode;
176 int intra16x16_pred_mode;
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177
178 int top_mb_xy;
179 int left_mb_xy[2];
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180
181 int8_t intra4x4_pred_mode_cache[5*8];
182 int8_t (*intra4x4_pred_mode)[8];
183 void (*pred4x4 [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
43efd19a 184 void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
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185 void (*pred8x8 [4+3])(uint8_t *src, int stride);
186 void (*pred16x16[4+3])(uint8_t *src, int stride);
187 unsigned int topleft_samples_available;
188 unsigned int top_samples_available;
189 unsigned int topright_samples_available;
190 unsigned int left_samples_available;
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191 uint8_t (*top_borders[2])[16+2*8];
192 uint8_t left_border[2*(17+2*9)];
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193
194 /**
195 * non zero coeff count cache.
196 * is 64 if not available.
197 */
bd9ea6a4 198 uint8_t non_zero_count_cache[6*8] __align8;
53c05b1e 199 uint8_t (*non_zero_count)[16];
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200
201 /**
202 * Motion vector cache.
203 */
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204 int16_t mv_cache[2][5*8][2] __align8;
205 int8_t ref_cache[2][5*8] __align8;
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206#define LIST_NOT_USED -1 //FIXME rename?
207#define PART_NOT_AVAILABLE -2
208
209 /**
210 * is 1 if the specific list MV&references are set to 0,0,-2.
211 */
212 int mv_cache_clean[2];
213
6867a90b 214 /**
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215 * number of neighbors (top and/or left) that used 8x8 dct
216 */
217 int neighbor_transform_size;
218
219 /**
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220 * block_offset[ 0..23] for frame macroblocks
221 * block_offset[24..47] for field macroblocks
222 */
223 int block_offset[2*(16+8)];
0da71265 224
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225 uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
226 uint32_t *mb2b8_xy;
650cec0c 227 int b_stride; //FIXME use s->b4_stride
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228 int b8_stride;
229
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230 int halfpel_flag;
231 int thirdpel_flag;
232
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233 int unknown_svq3_flag;
234 int next_slice_index;
235
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236 SPS sps_buffer[MAX_SPS_COUNT];
237 SPS sps; ///< current sps
238
239 PPS pps_buffer[MAX_PPS_COUNT];
240 /**
241 * current pps
242 */
3b66c4c5 243 PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
0da71265 244
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245 uint32_t dequant4_buffer[6][52][16];
246 uint32_t dequant8_buffer[2][52][64];
247 uint32_t (*dequant4_coeff[6])[16];
248 uint32_t (*dequant8_coeff[2])[64];
249 int dequant_coeff_pps; ///< reinit tables when pps changes
43efd19a 250
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251 int slice_num;
252 uint8_t *slice_table_base;
253 uint8_t *slice_table; ///< slice_table_base + mb_stride + 1
254 int slice_type;
255 int slice_type_fixed;
256
257 //interlacing specific flags
6ba71fc4 258 int mb_aff_frame;
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259 int mb_field_decoding_flag;
260
261 int sub_mb_type[4];
262
263 //POC stuff
264 int poc_lsb;
265 int poc_msb;
266 int delta_poc_bottom;
267 int delta_poc[2];
268 int frame_num;
269 int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
270 int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
271 int frame_num_offset; ///< for POC type 2
272 int prev_frame_num_offset; ///< for POC type 2
273 int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
274
275 /**
276 * frame_num for frames or 2*frame_num for field pics.
277 */
278 int curr_pic_num;
279
280 /**
281 * max_frame_num or 2*max_frame_num for field pics.
282 */
283 int max_pic_num;
284
285 //Weighted pred stuff
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286 int use_weight;
287 int use_weight_chroma;
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288 int luma_log2_weight_denom;
289 int chroma_log2_weight_denom;
290 int luma_weight[2][16];
291 int luma_offset[2][16];
292 int chroma_weight[2][16][2];
293 int chroma_offset[2][16][2];
9f2d1b4f 294 int implicit_weight[16][16];
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295
296 //deblock
53c05b1e 297 int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
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298 int slice_alpha_c0_offset;
299 int slice_beta_offset;
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300
301 int redundant_pic_count;
302
303 int direct_spatial_mv_pred;
5ad984c9 304 int dist_scale_factor[16];
2f944356 305 int map_col_to_list0[2][16];
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306
307 /**
308 * num_ref_idx_l0/1_active_minus1 + 1
309 */
310 int ref_count[2];// FIXME split for AFF
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311 Picture *short_ref[32];
312 Picture *long_ref[32];
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313 Picture default_ref_list[2][32];
314 Picture ref_list[2][32]; //FIXME size?
315 Picture field_ref_list[2][32]; //FIXME size?
a4dae92b 316 Picture *delayed_pic[16]; //FIXME size?
4e4d983e 317 Picture *delayed_output_pic;
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318
319 /**
320 * memory management control operations buffer.
321 */
322 MMCO mmco[MAX_MMCO_COUNT];
323 int mmco_index;
324
325 int long_ref_count; ///< number of actual long term references
326 int short_ref_count; ///< number of actual short term references
327
328 //data partitioning
329 GetBitContext intra_gb;
330 GetBitContext inter_gb;
331 GetBitContext *intra_gb_ptr;
332 GetBitContext *inter_gb_ptr;
333
334 DCTELEM mb[16*24] __align8;
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335
336 /**
337 * Cabac
338 */
339 CABACContext cabac;
43efd19a 340 uint8_t cabac_state[460];
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341 int cabac_init_idc;
342
343 /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
344 uint16_t *cbp_table;
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345 int top_cbp;
346 int left_cbp;
693399ba 347 /* chroma_pred_mode for i4x4 or i16x16, else 0 */
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348 uint8_t *chroma_pred_mode_table;
349 int last_qscale_diff;
9e528114 350 int16_t (*mvd_table[2])[2];
bd9ea6a4 351 int16_t mvd_cache[2][5*8][2] __align8;
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352 uint8_t *direct_table;
353 uint8_t direct_cache[5*8];
e5017ab8 354
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355 uint8_t zigzag_scan[16];
356 uint8_t field_scan[16];
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357 const uint8_t *zigzag_scan_q0;
358 const uint8_t *field_scan_q0;
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359
360 int x264_build;
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361}H264Context;
362
363static VLC coeff_token_vlc[4];
364static VLC chroma_dc_coeff_token_vlc;
365
366static VLC total_zeros_vlc[15];
367static VLC chroma_dc_total_zeros_vlc[3];
368
369static VLC run_vlc[6];
370static VLC run7_vlc;
371
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372static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
373static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
6ba71fc4 374static 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 375
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376static inline uint32_t pack16to32(int a, int b){
377#ifdef WORDS_BIGENDIAN
378 return (b&0xFFFF) + (a<<16);
379#else
380 return (a&0xFFFF) + (b<<16);
381#endif
382}
383
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384/**
385 * fill a rectangle.
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386 * @param h height of the rectangle, should be a constant
387 * @param w width of the rectangle, should be a constant
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388 * @param size the size of val (1 or 4), should be a constant
389 */
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390static inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){ //FIXME ensure this IS inlined
391 uint8_t *p= (uint8_t*)vp;
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392 assert(size==1 || size==4);
393
394 w *= size;
395 stride *= size;
396
bd9ea6a4 397 assert((((int)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
d9c780a8 398 assert((stride&(w-1))==0);
3b66c4c5 399//FIXME check what gcc generates for 64 bit on x86 and possibly write a 32 bit ver of it
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400 if(w==2 && h==2){
401 *(uint16_t*)(p + 0)=
402 *(uint16_t*)(p + stride)= size==4 ? val : val*0x0101;
403 }else if(w==2 && h==4){
404 *(uint16_t*)(p + 0*stride)=
405 *(uint16_t*)(p + 1*stride)=
406 *(uint16_t*)(p + 2*stride)=
407 *(uint16_t*)(p + 3*stride)= size==4 ? val : val*0x0101;
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408 }else if(w==4 && h==1){
409 *(uint32_t*)(p + 0*stride)= size==4 ? val : val*0x01010101;
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410 }else if(w==4 && h==2){
411 *(uint32_t*)(p + 0*stride)=
412 *(uint32_t*)(p + 1*stride)= size==4 ? val : val*0x01010101;
413 }else if(w==4 && h==4){
414 *(uint32_t*)(p + 0*stride)=
415 *(uint32_t*)(p + 1*stride)=
416 *(uint32_t*)(p + 2*stride)=
417 *(uint32_t*)(p + 3*stride)= size==4 ? val : val*0x01010101;
418 }else if(w==8 && h==1){
419 *(uint32_t*)(p + 0)=
420 *(uint32_t*)(p + 4)= size==4 ? val : val*0x01010101;
421 }else if(w==8 && h==2){
422 *(uint32_t*)(p + 0 + 0*stride)=
423 *(uint32_t*)(p + 4 + 0*stride)=
424 *(uint32_t*)(p + 0 + 1*stride)=
425 *(uint32_t*)(p + 4 + 1*stride)= size==4 ? val : val*0x01010101;
426 }else if(w==8 && h==4){
427 *(uint64_t*)(p + 0*stride)=
428 *(uint64_t*)(p + 1*stride)=
429 *(uint64_t*)(p + 2*stride)=
430 *(uint64_t*)(p + 3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
431 }else if(w==16 && h==2){
432 *(uint64_t*)(p + 0+0*stride)=
433 *(uint64_t*)(p + 8+0*stride)=
434 *(uint64_t*)(p + 0+1*stride)=
435 *(uint64_t*)(p + 8+1*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
436 }else if(w==16 && h==4){
437 *(uint64_t*)(p + 0+0*stride)=
438 *(uint64_t*)(p + 8+0*stride)=
439 *(uint64_t*)(p + 0+1*stride)=
440 *(uint64_t*)(p + 8+1*stride)=
441 *(uint64_t*)(p + 0+2*stride)=
442 *(uint64_t*)(p + 8+2*stride)=
443 *(uint64_t*)(p + 0+3*stride)=
444 *(uint64_t*)(p + 8+3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
445 }else
446 assert(0);
447}
448
46f2f05f 449static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
0da71265 450 MpegEncContext * const s = &h->s;
7bc9090a 451 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
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452 int topleft_xy, top_xy, topright_xy, left_xy[2];
453 int topleft_type, top_type, topright_type, left_type[2];
6867a90b 454 int left_block[8];
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455 int i;
456
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457 //FIXME deblocking can skip fill_caches much of the time with multiple slices too.
458 // the actual condition is whether we're on the edge of a slice,
459 // and even then the intra and nnz parts are unnecessary.
460 if(for_deblock && h->slice_num == 1)
461 return;
462
3b66c4c5 463 //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
0da71265 464
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465 top_xy = mb_xy - s->mb_stride;
466 topleft_xy = top_xy - 1;
467 topright_xy= top_xy + 1;
468 left_xy[1] = left_xy[0] = mb_xy-1;
469 left_block[0]= 0;
470 left_block[1]= 1;
471 left_block[2]= 2;
472 left_block[3]= 3;
473 left_block[4]= 7;
474 left_block[5]= 10;
475 left_block[6]= 8;
476 left_block[7]= 11;
6ba71fc4 477 if(h->mb_aff_frame){
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LLL
478 const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
479 const int top_pair_xy = pair_xy - s->mb_stride;
480 const int topleft_pair_xy = top_pair_xy - 1;
481 const int topright_pair_xy = top_pair_xy + 1;
482 const int topleft_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
483 const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
484 const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
485 const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
486 const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
487 const int bottom = (s->mb_y & 1);
488 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);
489 if (bottom
490 ? !curr_mb_frame_flag // bottom macroblock
491 : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
492 ) {
493 top_xy -= s->mb_stride;
494 }
495 if (bottom
496 ? !curr_mb_frame_flag // bottom macroblock
497 : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
498 ) {
499 topleft_xy -= s->mb_stride;
500 }
501 if (bottom
502 ? !curr_mb_frame_flag // bottom macroblock
503 : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
504 ) {
505 topright_xy -= s->mb_stride;
506 }
507 if (left_mb_frame_flag != curr_mb_frame_flag) {
508 left_xy[1] = left_xy[0] = pair_xy - 1;
509 if (curr_mb_frame_flag) {
510 if (bottom) {
511 left_block[0]= 2;
512 left_block[1]= 2;
513 left_block[2]= 3;
514 left_block[3]= 3;
515 left_block[4]= 8;
516 left_block[5]= 11;
517 left_block[6]= 8;
518 left_block[7]= 11;
519 } else {
520 left_block[0]= 0;
521 left_block[1]= 0;
522 left_block[2]= 1;
523 left_block[3]= 1;
524 left_block[4]= 7;
525 left_block[5]= 10;
526 left_block[6]= 7;
527 left_block[7]= 10;
528 }
529 } else {
530 left_xy[1] += s->mb_stride;
531 //left_block[0]= 0;
532 left_block[1]= 2;
533 left_block[2]= 0;
534 left_block[3]= 2;
535 //left_block[4]= 7;
536 left_block[5]= 10;
537 left_block[6]= 7;
538 left_block[7]= 10;
539 }
540 }
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541 }
542
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LLL
543 h->top_mb_xy = top_xy;
544 h->left_mb_xy[0] = left_xy[0];
545 h->left_mb_xy[1] = left_xy[1];
6ba71fc4 546 if(for_deblock){
46f2f05f
MN
547 topleft_type = h->slice_table[topleft_xy ] < 255 ? s->current_picture.mb_type[topleft_xy] : 0;
548 top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0;
549 topright_type= h->slice_table[topright_xy] < 255 ? s->current_picture.mb_type[topright_xy]: 0;
550 left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
551 left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
552 }else{
553 topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
554 top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
555 topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
556 left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
557 left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
558 }
0da71265
MN
559
560 if(IS_INTRA(mb_type)){
561 h->topleft_samples_available=
562 h->top_samples_available=
563 h->left_samples_available= 0xFFFF;
564 h->topright_samples_available= 0xEEEA;
565
566 if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
567 h->topleft_samples_available= 0xB3FF;
568 h->top_samples_available= 0x33FF;
569 h->topright_samples_available= 0x26EA;
570 }
571 for(i=0; i<2; i++){
572 if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
573 h->topleft_samples_available&= 0xDF5F;
574 h->left_samples_available&= 0x5F5F;
575 }
576 }
577
578 if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
579 h->topleft_samples_available&= 0x7FFF;
580
581 if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
582 h->topright_samples_available&= 0xFBFF;
583
584 if(IS_INTRA4x4(mb_type)){
585 if(IS_INTRA4x4(top_type)){
586 h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
587 h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
588 h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
589 h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
590 }else{
591 int pred;
6fbcaaa0 592 if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
0da71265 593 pred= -1;
6fbcaaa0
LLL
594 else{
595 pred= 2;
0da71265
MN
596 }
597 h->intra4x4_pred_mode_cache[4+8*0]=
598 h->intra4x4_pred_mode_cache[5+8*0]=
599 h->intra4x4_pred_mode_cache[6+8*0]=
600 h->intra4x4_pred_mode_cache[7+8*0]= pred;
601 }
602 for(i=0; i<2; i++){
603 if(IS_INTRA4x4(left_type[i])){
604 h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
605 h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
606 }else{
607 int pred;
6fbcaaa0 608 if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
0da71265 609 pred= -1;
6fbcaaa0
LLL
610 else{
611 pred= 2;
0da71265
MN
612 }
613 h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
614 h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
615 }
616 }
617 }
618 }
619
620
621/*
6220 . T T. T T T T
6231 L . .L . . . .
6242 L . .L . . . .
6253 . T TL . . . .
6264 L . .L . . . .
6275 L . .. . . . .
628*/
629//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
630 if(top_type){
6867a90b
LLL
631 h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
632 h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
633 h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
53c05b1e 634 h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
0da71265 635
6867a90b 636 h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
53c05b1e 637 h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
0da71265 638
6867a90b 639 h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
53c05b1e 640 h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
3981c385 641
0da71265
MN
642 }else{
643 h->non_zero_count_cache[4+8*0]=
644 h->non_zero_count_cache[5+8*0]=
645 h->non_zero_count_cache[6+8*0]=
646 h->non_zero_count_cache[7+8*0]=
647
648 h->non_zero_count_cache[1+8*0]=
649 h->non_zero_count_cache[2+8*0]=
650
651 h->non_zero_count_cache[1+8*3]=
3981c385
MN
652 h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
653
0da71265 654 }
826de46e 655
6867a90b
LLL
656 for (i=0; i<2; i++) {
657 if(left_type[i]){
658 h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
659 h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
660 h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
661 h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
6867a90b
LLL
662 }else{
663 h->non_zero_count_cache[3+8*1 + 2*8*i]=
664 h->non_zero_count_cache[3+8*2 + 2*8*i]=
665 h->non_zero_count_cache[0+8*1 + 8*i]=
666 h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
826de46e
LLL
667 }
668 }
669
670 if( h->pps.cabac ) {
671 // top_cbp
672 if(top_type) {
673 h->top_cbp = h->cbp_table[top_xy];
674 } else if(IS_INTRA(mb_type)) {
675 h->top_cbp = 0x1C0;
676 } else {
677 h->top_cbp = 0;
678 }
679 // left_cbp
680 if (left_type[0]) {
681 h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
682 } else if(IS_INTRA(mb_type)) {
683 h->left_cbp = 0x1C0;
684 } else {
685 h->left_cbp = 0;
686 }
687 if (left_type[0]) {
688 h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
689 }
690 if (left_type[1]) {
691 h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
6867a90b 692 }
0da71265 693 }
6867a90b 694
0da71265 695#if 1
5ad984c9 696 //FIXME direct mb can skip much of this
e2e5894a 697 if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
0da71265 698 int list;
e2e5894a
LM
699 for(list=0; list<1+(h->slice_type==B_TYPE); list++){
700 if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
0da71265
MN
701 /*if(!h->mv_cache_clean[list]){
702 memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
703 memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
704 h->mv_cache_clean[list]= 1;
705 }*/
5ad984c9 706 continue;
0da71265
MN
707 }
708 h->mv_cache_clean[list]= 0;
709
0da71265
MN
710 if(IS_INTER(top_type)){
711 const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
712 const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
713 *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
714 *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
715 *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
716 *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
717 h->ref_cache[list][scan8[0] + 0 - 1*8]=
718 h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
719 h->ref_cache[list][scan8[0] + 2 - 1*8]=
720 h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
721 }else{
722 *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
723 *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
724 *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
725 *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
726 *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
727 }
728
0da71265
MN
729 //FIXME unify cleanup or sth
730 if(IS_INTER(left_type[0])){
731 const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
732 const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
733 *(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]];
734 *(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]];
735 h->ref_cache[list][scan8[0] - 1 + 0*8]=
736 h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
737 }else{
738 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
739 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
740 h->ref_cache[list][scan8[0] - 1 + 0*8]=
741 h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
742 }
743
744 if(IS_INTER(left_type[1])){
745 const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
746 const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
747 *(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]];
748 *(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]];
749 h->ref_cache[list][scan8[0] - 1 + 2*8]=
750 h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
751 }else{
752 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
753 *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
754 h->ref_cache[list][scan8[0] - 1 + 2*8]=
755 h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
d9c780a8 756 assert((!left_type[0]) == (!left_type[1]));
0da71265
MN
757 }
758
e2e5894a 759 if(for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred))
46f2f05f
MN
760 continue;
761
e2e5894a
LM
762 if(IS_INTER(topleft_type)){
763 const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
764 const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
765 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
766 h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
767 }else{
768 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
769 h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
770 }
771
772 if(IS_INTER(topright_type)){
773 const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
774 const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
775 *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
776 h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
777 }else{
778 *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
779 h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
780 }
781
782
0da71265
MN
783 h->ref_cache[list][scan8[5 ]+1] =
784 h->ref_cache[list][scan8[7 ]+1] =
3b66c4c5 785 h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else)
0da71265
MN
786 h->ref_cache[list][scan8[4 ]] =
787 h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
788 *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
789 *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
3b66c4c5 790 *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
0da71265
MN
791 *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
792 *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
9e528114
LA
793
794 if( h->pps.cabac ) {
795 /* XXX beurk, Load mvd */
796 if(IS_INTER(topleft_type)){
797 const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
798 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy];
799 }else{
800 *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= 0;
801 }
802
803 if(IS_INTER(top_type)){
804 const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
805 *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
806 *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
807 *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
808 *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
809 }else{
810 *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
811 *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
812 *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
813 *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
814 }
815 if(IS_INTER(left_type[0])){
816 const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
817 *(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]];
818 *(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]];
819 }else{
820 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
821 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
822 }
823 if(IS_INTER(left_type[1])){
824 const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
825 *(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]];
826 *(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]];
827 }else{
828 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
829 *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
830 }
831 *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
832 *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
3b66c4c5 833 *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
9e528114
LA
834 *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
835 *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
5ad984c9
LM
836
837 if(h->slice_type == B_TYPE){
838 fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
839
840 if(IS_DIRECT(top_type)){
841 *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
842 }else if(IS_8X8(top_type)){
843 int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
844 h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
845 h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
846 }else{
847 *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
848 }
849
850 //FIXME interlacing
851 if(IS_DIRECT(left_type[0])){
852 h->direct_cache[scan8[0] - 1 + 0*8]=
853 h->direct_cache[scan8[0] - 1 + 2*8]= 1;
854 }else if(IS_8X8(left_type[0])){
855 int b8_xy = h->mb2b8_xy[left_xy[0]] + 1;
856 h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[b8_xy];
857 h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[b8_xy + h->b8_stride];
858 }else{
859 h->direct_cache[scan8[0] - 1 + 0*8]=
860 h->direct_cache[scan8[0] - 1 + 2*8]= 0;
861 }
862 }
9e528114 863 }
0da71265 864 }
0da71265
MN
865 }
866#endif
43efd19a
LM
867
868 h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
0da71265
MN
869}
870
871static inline void write_back_intra_pred_mode(H264Context *h){
872 MpegEncContext * const s = &h->s;
7bc9090a 873 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
0da71265
MN
874
875 h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
876 h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
877 h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
878 h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
879 h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
880 h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
881 h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
882}
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_intra4x4_pred_mode(H264Context *h){
888 MpegEncContext * const s = &h->s;
889 static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
890 static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
891 int i;
892
893 if(!(h->top_samples_available&0x8000)){
894 for(i=0; i<4; i++){
895 int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
896 if(status<0){
9b879566 897 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
898 return -1;
899 } else if(status){
900 h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
901 }
902 }
903 }
904
905 if(!(h->left_samples_available&0x8000)){
906 for(i=0; i<4; i++){
907 int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
908 if(status<0){
9b879566 909 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
910 return -1;
911 } else if(status){
912 h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
913 }
914 }
915 }
916
917 return 0;
918} //FIXME cleanup like next
919
920/**
921 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
922 */
923static inline int check_intra_pred_mode(H264Context *h, int mode){
924 MpegEncContext * const s = &h->s;
925 static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
926 static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
927
5175b937
LLL
928 if(mode < 0 || mode > 6) {
929 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 930 return -1;
5175b937 931 }
7440fe83 932
0da71265
MN
933 if(!(h->top_samples_available&0x8000)){
934 mode= top[ mode ];
935 if(mode<0){
9b879566 936 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
937 return -1;
938 }
939 }
940
941 if(!(h->left_samples_available&0x8000)){
942 mode= left[ mode ];
943 if(mode<0){
9b879566 944 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
945 return -1;
946 }
947 }
948
949 return mode;
950}
951
952/**
953 * gets the predicted intra4x4 prediction mode.
954 */
955static inline int pred_intra_mode(H264Context *h, int n){
956 const int index8= scan8[n];
957 const int left= h->intra4x4_pred_mode_cache[index8 - 1];
958 const int top = h->intra4x4_pred_mode_cache[index8 - 8];
959 const int min= FFMIN(left, top);
960
95c26348 961 tprintf("mode:%d %d min:%d\n", left ,top, min);
0da71265
MN
962
963 if(min<0) return DC_PRED;
964 else return min;
965}
966
967static inline void write_back_non_zero_count(H264Context *h){
968 MpegEncContext * const s = &h->s;
7bc9090a 969 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
0da71265 970
6867a90b
LLL
971 h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
972 h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
973 h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
53c05b1e 974 h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
6867a90b
LLL
975 h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
976 h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
977 h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
53c05b1e 978
6867a90b 979 h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
53c05b1e 980 h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
6867a90b 981 h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
53c05b1e 982
6867a90b 983 h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
53c05b1e 984 h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
6867a90b 985 h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
0da71265
MN
986}
987
988/**
989 * gets the predicted number of non zero coefficients.
990 * @param n block index
991 */
992static inline int pred_non_zero_count(H264Context *h, int n){
993 const int index8= scan8[n];
994 const int left= h->non_zero_count_cache[index8 - 1];
995 const int top = h->non_zero_count_cache[index8 - 8];
996 int i= left + top;
997
998 if(i<64) i= (i+1)>>1;
999
95c26348 1000 tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
0da71265
MN
1001
1002 return i&31;
1003}
1004
1924f3ce
MN
1005static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
1006 const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
1007
1008 if(topright_ref != PART_NOT_AVAILABLE){
1009 *C= h->mv_cache[list][ i - 8 + part_width ];
1010 return topright_ref;
1011 }else{
95c26348
MN
1012 tprintf("topright MV not available\n");
1013
1924f3ce
MN
1014 *C= h->mv_cache[list][ i - 8 - 1 ];
1015 return h->ref_cache[list][ i - 8 - 1 ];
1016 }
1017}
1018
0da71265
MN
1019/**
1020 * gets the predicted MV.
1021 * @param n the block index
1022 * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
1023 * @param mx the x component of the predicted motion vector
1024 * @param my the y component of the predicted motion vector
1025 */
1026static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
0da71265
MN
1027 const int index8= scan8[n];
1028 const int top_ref= h->ref_cache[list][ index8 - 8 ];
0da71265
MN
1029 const int left_ref= h->ref_cache[list][ index8 - 1 ];
1030 const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
1031 const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
1924f3ce
MN
1032 const int16_t * C;
1033 int diagonal_ref, match_count;
1034
0da71265 1035 assert(part_width==1 || part_width==2 || part_width==4);
1924f3ce 1036
0da71265
MN
1037/* mv_cache
1038 B . . A T T T T
1039 U . . L . . , .
1040 U . . L . . . .
1041 U . . L . . , .
1042 . . . L . . . .
1043*/
1924f3ce
MN
1044
1045 diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
1046 match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
827c91bf 1047 tprintf("pred_motion match_count=%d\n", match_count);
1924f3ce
MN
1048 if(match_count > 1){ //most common
1049 *mx= mid_pred(A[0], B[0], C[0]);
1050 *my= mid_pred(A[1], B[1], C[1]);
1051 }else if(match_count==1){
1052 if(left_ref==ref){
1053 *mx= A[0];
1054 *my= A[1];
1055 }else if(top_ref==ref){
1056 *mx= B[0];
1057 *my= B[1];
0da71265 1058 }else{
1924f3ce
MN
1059 *mx= C[0];
1060 *my= C[1];
0da71265
MN
1061 }
1062 }else{
1924f3ce 1063 if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
0da71265 1064 *mx= A[0];
1924f3ce 1065 *my= A[1];
0da71265 1066 }else{
1924f3ce
MN
1067 *mx= mid_pred(A[0], B[0], C[0]);
1068 *my= mid_pred(A[1], B[1], C[1]);
0da71265 1069 }
0da71265 1070 }
1924f3ce 1071
af6e2fed 1072 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
1073}
1074
1075/**
1076 * gets the directionally predicted 16x8 MV.
1077 * @param n the block index
1078 * @param mx the x component of the predicted motion vector
1079 * @param my the y component of the predicted motion vector
1080 */
1081static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
0da71265
MN
1082 if(n==0){
1083 const int top_ref= h->ref_cache[list][ scan8[0] - 8 ];
1084 const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
1085
579448a0 1086 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
1087
1088 if(top_ref == ref){
1089 *mx= B[0];
1090 *my= B[1];
1091 return;
1092 }
1093 }else{
1094 const int left_ref= h->ref_cache[list][ scan8[8] - 1 ];
1095 const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
1096
579448a0 1097 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
1098
1099 if(left_ref == ref){
1100 *mx= A[0];
1101 *my= A[1];
1102 return;
1103 }
1104 }
1105
1106 //RARE
1107 pred_motion(h, n, 4, list, ref, mx, my);
1108}
1109
1110/**
1111 * gets the directionally predicted 8x16 MV.
1112 * @param n the block index
1113 * @param mx the x component of the predicted motion vector
1114 * @param my the y component of the predicted motion vector
1115 */
1116static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
0da71265
MN
1117 if(n==0){
1118 const int left_ref= h->ref_cache[list][ scan8[0] - 1 ];
1119 const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ];
1120
579448a0 1121 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
1122
1123 if(left_ref == ref){
1124 *mx= A[0];
1125 *my= A[1];
1126 return;
1127 }
1128 }else{
1924f3ce
MN
1129 const int16_t * C;
1130 int diagonal_ref;
1131
1132 diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
0da71265 1133
579448a0 1134 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 1135
1924f3ce 1136 if(diagonal_ref == ref){
0da71265
MN
1137 *mx= C[0];
1138 *my= C[1];
1139 return;
1140 }
0da71265
MN
1141 }
1142
1143 //RARE
1144 pred_motion(h, n, 2, list, ref, mx, my);
1145}
1146
1147static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
0da71265
MN
1148 const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
1149 const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
1150
5175b937 1151 tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
0da71265
MN
1152
1153 if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
1154 || (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
1155 || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
1156
1157 *mx = *my = 0;
1158 return;
1159 }
1160
1161 pred_motion(h, 0, 4, 0, 0, mx, my);
1162
1163 return;
1164}
1165
5ad984c9
LM
1166static inline void direct_dist_scale_factor(H264Context * const h){
1167 const int poc = h->s.current_picture_ptr->poc;
1168 const int poc1 = h->ref_list[1][0].poc;
1169 int i;
1170 for(i=0; i<h->ref_count[0]; i++){
1171 int poc0 = h->ref_list[0][i].poc;
1172 int td = clip(poc1 - poc0, -128, 127);
1173 if(td == 0 /* FIXME || pic0 is a long-term ref */){
1174 h->dist_scale_factor[i] = 256;
1175 }else{
1176 int tb = clip(poc - poc0, -128, 127);
1177 int tx = (16384 + (ABS(td) >> 1)) / td;
1178 h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023);
1179 }
1180 }
1181}
2f944356
LM
1182static inline void direct_ref_list_init(H264Context * const h){
1183 MpegEncContext * const s = &h->s;
1184 Picture * const ref1 = &h->ref_list[1][0];
1185 Picture * const cur = s->current_picture_ptr;
1186 int list, i, j;
1187 if(cur->pict_type == I_TYPE)
1188 cur->ref_count[0] = 0;
1189 if(cur->pict_type != B_TYPE)
1190 cur->ref_count[1] = 0;
1191 for(list=0; list<2; list++){
1192 cur->ref_count[list] = h->ref_count[list];
1193 for(j=0; j<h->ref_count[list]; j++)
1194 cur->ref_poc[list][j] = h->ref_list[list][j].poc;
1195 }
1196 if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
1197 return;
1198 for(list=0; list<2; list++){
1199 for(i=0; i<ref1->ref_count[list]; i++){
1200 const int poc = ref1->ref_poc[list][i];
1201 h->map_col_to_list0[list][i] = PART_NOT_AVAILABLE;
1202 for(j=0; j<h->ref_count[list]; j++)
1203 if(h->ref_list[list][j].poc == poc){
1204 h->map_col_to_list0[list][i] = j;
1205 break;
1206 }
1207 }
1208 }
1209}
5ad984c9
LM
1210
1211static inline void pred_direct_motion(H264Context * const h, int *mb_type){
1212 MpegEncContext * const s = &h->s;
1213 const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
1214 const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
1215 const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
1216 const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
1217 const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
4866bd2b 1218 const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
5ad984c9 1219 const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
2f944356 1220 const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
5ad984c9
LM
1221 const int is_b8x8 = IS_8X8(*mb_type);
1222 int sub_mb_type;
1223 int i8, i4;
1224
1225 if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
1226 /* FIXME save sub mb types from previous frames (or derive from MVs)
1227 * so we know exactly what block size to use */
1228 sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
3622988f 1229 *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
5ad984c9
LM
1230 }else if(!is_b8x8 && (IS_16X16(mb_type_col) || IS_INTRA(mb_type_col))){
1231 sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
1232 *mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
1233 }else{
1234 sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
3622988f 1235 *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
5ad984c9
LM
1236 }
1237 if(!is_b8x8)
1238 *mb_type |= MB_TYPE_DIRECT2;
1239
827c91bf
LLL
1240 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);
1241
5ad984c9
LM
1242 if(h->direct_spatial_mv_pred){
1243 int ref[2];
1244 int mv[2][2];
1245 int list;
1246
1247 /* ref = min(neighbors) */
1248 for(list=0; list<2; list++){
1249 int refa = h->ref_cache[list][scan8[0] - 1];
1250 int refb = h->ref_cache[list][scan8[0] - 8];
1251 int refc = h->ref_cache[list][scan8[0] - 8 + 4];
1252 if(refc == -2)
1253 refc = h->ref_cache[list][scan8[0] - 8 - 1];
1254 ref[list] = refa;
1255 if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
1256 ref[list] = refb;
1257 if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
1258 ref[list] = refc;
1259 if(ref[list] < 0)
1260 ref[list] = -1;
1261 }
1262
1263 if(ref[0] < 0 && ref[1] < 0){
1264 ref[0] = ref[1] = 0;
1265 mv[0][0] = mv[0][1] =
1266 mv[1][0] = mv[1][1] = 0;
1267 }else{
1268 for(list=0; list<2; list++){
1269 if(ref[list] >= 0)
1270 pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
1271 else
1272 mv[list][0] = mv[list][1] = 0;
1273 }
1274 }
1275
1276 if(ref[1] < 0){
1277 *mb_type &= ~MB_TYPE_P0L1;
1278 sub_mb_type &= ~MB_TYPE_P0L1;
1279 }else if(ref[0] < 0){
1280 *mb_type &= ~MB_TYPE_P0L0;
1281 sub_mb_type &= ~MB_TYPE_P0L0;
1282 }
1283
1284 if(IS_16X16(*mb_type)){
1285 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref[0], 1);
1286 fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, ref[1], 1);
4866bd2b 1287 if(!IS_INTRA(mb_type_col)
bf4e3bd2
MR
1288 && ( (l1ref0[0] == 0 && ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1)
1289 || (l1ref0[0] < 0 && l1ref1[0] == 0 && ABS(l1mv1[0][0]) <= 1 && ABS(l1mv1[0][1]) <= 1
1290 && (h->x264_build>33 || !h->x264_build)))){
5ad984c9
LM
1291 if(ref[0] > 0)
1292 fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1293 else
1294 fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
1295 if(ref[1] > 0)
1296 fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1297 else
1298 fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
1299 }else{
1300 fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1301 fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1302 }
1303 }else{
1304 for(i8=0; i8<4; i8++){
1305 const int x8 = i8&1;
1306 const int y8 = i8>>1;
1307
1308 if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1309 continue;
1310 h->sub_mb_type[i8] = sub_mb_type;
1311
1312 fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1313 fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1314 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref[0], 1);
1315 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, ref[1], 1);
1316
1317 /* col_zero_flag */
4866bd2b 1318 if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0
bf4e3bd2
MR
1319 || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
1320 && (h->x264_build>33 || !h->x264_build)))){
4866bd2b 1321 const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
5ad984c9 1322 for(i4=0; i4<4; i4++){
4866bd2b 1323 const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
5ad984c9
LM
1324 if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
1325 if(ref[0] == 0)
1326 *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
1327 if(ref[1] == 0)
1328 *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
1329 }
1330 }
1331 }
1332 }
1333 }
1334 }else{ /* direct temporal mv pred */
5ad984c9
LM
1335 if(IS_16X16(*mb_type)){
1336 fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
1337 if(IS_INTRA(mb_type_col)){
1338 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
1339 fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
1340 fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
1341 }else{
2f944356
LM
1342 const int ref0 = l1ref0[0] >= 0 ? h->map_col_to_list0[0][l1ref0[0]]
1343 : h->map_col_to_list0[1][l1ref1[0]];
5ad984c9 1344 const int dist_scale_factor = h->dist_scale_factor[ref0];
8583bef8 1345 const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
5ad984c9
LM
1346 int mv_l0[2];
1347 mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
1348 mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
1349 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);
1350 fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);
1351 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);
1352 }
1353 }else{
1354 for(i8=0; i8<4; i8++){
1355 const int x8 = i8&1;
1356 const int y8 = i8>>1;
1357 int ref0, dist_scale_factor;
bf4e3bd2 1358 const int16_t (*l1mv)[2]= l1mv0;
8583bef8 1359
5ad984c9
LM
1360 if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1361 continue;
1362 h->sub_mb_type[i8] = sub_mb_type;
1363 if(IS_INTRA(mb_type_col)){
1364 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
1365 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
1366 fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
1367 fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
1368 continue;
1369 }
1370
1371 ref0 = l1ref0[x8 + y8*h->b8_stride];
2f944356
LM
1372 if(ref0 >= 0)
1373 ref0 = h->map_col_to_list0[0][ref0];
8583bef8 1374 else{
2f944356 1375 ref0 = h->map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
8583bef8
MN
1376 l1mv= l1mv1;
1377 }
5ad984c9
LM
1378 dist_scale_factor = h->dist_scale_factor[ref0];
1379
1380 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
1381 fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
1382 for(i4=0; i4<4; i4++){
8583bef8 1383 const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
5ad984c9
LM
1384 int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
1385 mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
1386 mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
1387 *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
1388 pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
1389 }
1390 }
1391 }
1392 }
1393}
1394
0da71265
MN
1395static inline void write_back_motion(H264Context *h, int mb_type){
1396 MpegEncContext * const s = &h->s;
0da71265
MN
1397 const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
1398 const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
1399 int list;
1400
1401 for(list=0; list<2; list++){
1402 int y;
b75e10d5 1403 if(!USES_LIST(mb_type, list)){
3b66c4c5 1404 if(1){ //FIXME skip or never read if mb_type doesn't use it
0da71265
MN
1405 for(y=0; y<4; y++){
1406 *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]=
1407 *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= 0;
1408 }
9e528114
LA
1409 if( h->pps.cabac ) {
1410 /* FIXME needed ? */
1411 for(y=0; y<4; y++){
1412 *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]=
1413 *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= 0;
1414 }
1415 }
0da71265 1416 for(y=0; y<2; y++){
0444b023
MN
1417 s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]=
1418 s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= LIST_NOT_USED;
0da71265
MN
1419 }
1420 }
5ad984c9 1421 continue;
0da71265
MN
1422 }
1423
1424 for(y=0; y<4; y++){
1425 *(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];
1426 *(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];
1427 }
9e528114
LA
1428 if( h->pps.cabac ) {
1429 for(y=0; y<4; y++){
1430 *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
1431 *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
1432 }
1433 }
0da71265
MN
1434 for(y=0; y<2; y++){
1435 s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+0 + 16*y];
1436 s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y];
1437 }
1438 }
5ad984c9
LM
1439
1440 if(h->slice_type == B_TYPE && h->pps.cabac){
1441 if(IS_8X8(mb_type)){
1442 h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
1443 h->direct_table[b8_xy+0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
1444 h->direct_table[b8_xy+1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
1445 }
1446 }
0da71265
MN
1447}
1448
1449/**
1450 * Decodes a network abstraction layer unit.
1451 * @param consumed is the number of bytes used as input
1452 * @param length is the length of the array
3b66c4c5 1453 * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
0da71265
MN
1454 * @returns decoded bytes, might be src+1 if no escapes
1455 */
1456static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
1457 int i, si, di;
1458 uint8_t *dst;
1459
1460// src[0]&0x80; //forbidden bit
1461 h->nal_ref_idc= src[0]>>5;
1462 h->nal_unit_type= src[0]&0x1F;
1463
1464 src++; length--;
1465#if 0
1466 for(i=0; i<length; i++)
1467 printf("%2X ", src[i]);
1468#endif
1469 for(i=0; i+1<length; i+=2){
1470 if(src[i]) continue;
1471 if(i>0 && src[i-1]==0) i--;
1472 if(i+2<length && src[i+1]==0 && src[i+2]<=3){
1473 if(src[i+2]!=3){
1474 /* startcode, so we must be past the end */
1475 length=i;
1476 }
1477 break;
1478 }
1479 }
1480
1481 if(i>=length-1){ //no escaped 0
1482 *dst_length= length;
1483 *consumed= length+1; //+1 for the header
1484 return src;
1485 }
1486
1487 h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
1488 dst= h->rbsp_buffer;
1489
3b66c4c5 1490//printf("decoding esc\n");
0da71265
MN
1491 si=di=0;
1492 while(si<length){
1493 //remove escapes (very rare 1:2^22)
1494 if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
1495 if(src[si+2]==3){ //escape
1496 dst[di++]= 0;
1497 dst[di++]= 0;
1498 si+=3;
c8470cc1 1499 continue;
0da71265
MN
1500 }else //next start code
1501 break;
1502 }
1503
1504 dst[di++]= src[si++];
1505 }
1506
1507 *dst_length= di;
1508 *consumed= si + 1;//+1 for the header
1509//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
1510 return dst;
1511}
1512
e5017ab8 1513#if 0
0da71265
MN
1514/**
1515 * @param src the data which should be escaped
1516 * @param dst the target buffer, dst+1 == src is allowed as a special case
1517 * @param length the length of the src data
1518 * @param dst_length the length of the dst array
1519 * @returns length of escaped data in bytes or -1 if an error occured
1520 */
1521static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
1522 int i, escape_count, si, di;
1523 uint8_t *temp;
1524
1525 assert(length>=0);
1526 assert(dst_length>0);
1527
1528 dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
1529
1530 if(length==0) return 1;
1531
1532 escape_count= 0;
1533 for(i=0; i<length; i+=2){
1534 if(src[i]) continue;
1535 if(i>0 && src[i-1]==0)
1536 i--;
1537 if(i+2<length && src[i+1]==0 && src[i+2]<=3){
1538 escape_count++;
1539 i+=2;
1540 }
1541 }
1542
1543 if(escape_count==0){
1544 if(dst+1 != src)
1545 memcpy(dst+1, src, length);
1546 return length + 1;
1547 }
1548
1549 if(length + escape_count + 1> dst_length)
1550 return -1;
1551
1552 //this should be damn rare (hopefully)
1553
1554 h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
1555 temp= h->rbsp_buffer;
1556//printf("encoding esc\n");
1557
1558 si= 0;
1559 di= 0;
1560 while(si < length){
1561 if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
1562 temp[di++]= 0; si++;
1563 temp[di++]= 0; si++;
1564 temp[di++]= 3;
1565 temp[di++]= src[si++];
1566 }
1567 else
1568 temp[di++]= src[si++];
1569 }
1570 memcpy(dst+1, temp, length+escape_count);
1571
1572 assert(di == length+escape_count);
1573
1574 return di + 1;
1575}
1576
1577/**
1578 * write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
1579 */
1580static void encode_rbsp_trailing(PutBitContext *pb){
1581 int length;
1582 put_bits(pb, 1, 1);
fe455f33 1583 length= (-put_bits_count(pb))&7;
0da71265
MN
1584 if(length) put_bits(pb, length, 0);
1585}
e5017ab8 1586#endif
0da71265
MN
1587
1588/**
1589 * identifies the exact end of the bitstream
1590 * @return the length of the trailing, or 0 if damaged
1591 */
1592static int decode_rbsp_trailing(uint8_t *src){
1593 int v= *src;
1594 int r;
1595
95c26348 1596 tprintf("rbsp trailing %X\n", v);
0da71265
MN
1597
1598 for(r=1; r<9; r++){
1599 if(v&1) return r;
1600 v>>=1;
1601 }
1602 return 0;
1603}
1604
1605/**
1606 * idct tranforms the 16 dc values and dequantize them.
1607 * @param qp quantization parameter
1608 */
239ea04c 1609static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
0da71265
MN
1610#define stride 16
1611 int i;
1612 int temp[16]; //FIXME check if this is a good idea
1613 static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
1614 static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
1615
1616//memset(block, 64, 2*256);
1617//return;
1618 for(i=0; i<4; i++){
1619 const int offset= y_offset[i];
1620 const int z0= block[offset+stride*0] + block[offset+stride*4];
1621 const int z1= block[offset+stride*0] - block[offset+stride*4];
1622 const int z2= block[offset+stride*1] - block[offset+stride*5];
1623 const int z3= block[offset+stride*1] + block[offset+stride*5];
1624
1625 temp[4*i+0]= z0+z3;
1626 temp[4*i+1]= z1+z2;
1627 temp[4*i+2]= z1-z2;
1628 temp[4*i+3]= z0-z3;
1629 }
1630
1631 for(i=0; i<4; i++){
1632 const int offset= x_offset[i];
1633 const int z0= temp[4*0+i] + temp[4*2+i];
1634 const int z1= temp[4*0+i] - temp[4*2+i];
1635 const int z2= temp[4*1+i] - temp[4*3+i];
1636 const int z3= temp[4*1+i] + temp[4*3+i];
1637
239ea04c
LM
1638 block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
1639 block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
1640 block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
1641 block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
0da71265
MN
1642 }
1643}
1644
e5017ab8 1645#if 0
0da71265
MN
1646/**
1647 * dct tranforms the 16 dc values.
1648 * @param qp quantization parameter ??? FIXME
1649 */
1650static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
1651// const int qmul= dequant_coeff[qp][0];
1652 int i;
1653 int temp[16]; //FIXME check if this is a good idea
1654 static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
1655 static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
1656
1657 for(i=0; i<4; i++){
1658 const int offset= y_offset[i];
1659 const int z0= block[offset+stride*0] + block[offset+stride*4];
1660 const int z1= block[offset+stride*0] - block[offset+stride*4];
1661 const int z2= block[offset+stride*1] - block[offset+stride*5];
1662 const int z3= block[offset+stride*1] + block[offset+stride*5];
1663
1664 temp[4*i+0]= z0+z3;
1665 temp[4*i+1]= z1+z2;
1666 temp[4*i+2]= z1-z2;
1667 temp[4*i+3]= z0-z3;
1668 }
1669
1670 for(i=0; i<4; i++){
1671 const int offset= x_offset[i];
1672 const int z0= temp[4*0+i] + temp[4*2+i];
1673 const int z1= temp[4*0+i] - temp[4*2+i];
1674 const int z2= temp[4*1+i] - temp[4*3+i];
1675 const int z3= temp[4*1+i] + temp[4*3+i];
1676
1677 block[stride*0 +offset]= (z0 + z3)>>1;
1678 block[stride*2 +offset]= (z1 + z2)>>1;
1679 block[stride*8 +offset]= (z1 - z2)>>1;
1680 block[stride*10+offset]= (z0 - z3)>>1;
1681 }
1682}
e5017ab8
LA
1683#endif
1684
0da71265
MN
1685#undef xStride
1686#undef stride
1687
239ea04c 1688static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
0da71265
MN
1689 const int stride= 16*2;
1690 const int xStride= 16;
1691 int a,b,c,d,e;
1692
1693 a= block[stride*0 + xStride*0];
1694 b= block[stride*0 + xStride*1];
1695 c= block[stride*1 + xStride*0];
1696 d= block[stride*1 + xStride*1];
1697
1698 e= a-b;
1699 a= a+b;
1700 b= c-d;
1701 c= c+d;
1702
239ea04c
LM
1703 block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
1704 block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
1705 block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
1706 block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
0da71265
MN
1707}
1708
e5017ab8 1709#if 0
0da71265
MN
1710static void chroma_dc_dct_c(DCTELEM *block){
1711 const int stride= 16*2;
1712 const int xStride= 16;
1713 int a,b,c,d,e;
1714
1715 a= block[stride*0 + xStride*0];
1716 b= block[stride*0 + xStride*1];
1717 c= block[stride*1 + xStride*0];
1718 d= block[stride*1 + xStride*1];
1719
1720 e= a-b;
1721 a= a+b;
1722 b= c-d;
1723 c= c+d;
1724
1725 block[stride*0 + xStride*0]= (a+c);
1726 block[stride*0 + xStride*1]= (e+b);
1727 block[stride*1 + xStride*0]= (a-c);
1728 block[stride*1 + xStride*1]= (e-b);
1729}
e5017ab8 1730#endif
0da71265
MN
1731
1732/**
1733 * gets the chroma qp.
1734 */
6ba71fc4 1735static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
0da71265 1736
6ba71fc4 1737 return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
0da71265
MN
1738}
1739
1740
e5017ab8 1741#if 0
0da71265
MN
1742static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
1743 int i;
1744 //FIXME try int temp instead of block
1745
1746 for(i=0; i<4; i++){
1747 const int d0= src1[0 + i*stride] - src2[0 + i*stride];
1748 const int d1= src1[1 + i*stride] - src2[1 + i*stride];
1749 const int d2= src1[2 + i*stride] - src2[2 + i*stride];
1750 const int d3= src1[3 + i*stride] - src2[3 + i*stride];
1751 const int z0= d0 + d3;
1752 const int z3= d0 - d3;
1753 const int z1= d1 + d2;
1754 const int z2= d1 - d2;
1755
1756 block[0 + 4*i]= z0 + z1;
1757 block[1 + 4*i]= 2*z3 + z2;
1758 block[2 + 4*i]= z0 - z1;
1759 block[3 + 4*i]= z3 - 2*z2;
1760 }
1761
1762 for(i=0; i<4; i++){
1763 const int z0= block[0*4 + i] + block[3*4 + i];
1764 const int z3= block[0*4 + i] - block[3*4 + i];
1765 const int z1= block[1*4 + i] + block[2*4 + i];
1766 const int z2= block[1*4 + i] - block[2*4 + i];
1767
1768 block[0*4 + i]= z0 + z1;
1769 block[1*4 + i]= 2*z3 + z2;
1770 block[2*4 + i]= z0 - z1;
1771 block[3*4 + i]= z3 - 2*z2;
1772 }
1773}
e5017ab8 1774#endif
0da71265 1775
3b66c4c5 1776//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
0da71265
MN
1777//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
1778static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){
1779 int i;
1780 const int * const quant_table= quant_coeff[qscale];
1781 const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
1782 const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
1783 const unsigned int threshold2= (threshold1<<1);
1784 int last_non_zero;
1785
1786 if(seperate_dc){
1787 if(qscale<=18){
1788 //avoid overflows
1789 const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
1790 const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
1791 const unsigned int dc_threshold2= (dc_threshold1<<1);
1792
1793 int level= block[0]*quant_coeff[qscale+18][0];
1794 if(((unsigned)(level+dc_threshold1))>dc_threshold2){
1795 if(level>0){
1796 level= (dc_bias + level)>>(QUANT_SHIFT-2);
1797 block[0]= level;
1798 }else{
1799 level= (dc_bias - level)>>(QUANT_SHIFT-2);
1800 block[0]= -level;
1801 }
1802// last_non_zero = i;
1803 }else{
1804 block[0]=0;
1805 }
1806 }else{
1807 const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
1808 const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
1809 const unsigned int dc_threshold2= (dc_threshold1<<1);
1810
1811 int level= block[0]*quant_table[0];
1812 if(((unsigned)(level+dc_threshold1))>dc_threshold2){
1813 if(level>0){
1814 level= (dc_bias + level)>>(QUANT_SHIFT+1);
1815 block[0]= level;
1816 }else{
1817 level= (dc_bias - level)>>(QUANT_SHIFT+1);
1818 block[0]= -level;
1819 }
1820// last_non_zero = i;
1821 }else{
1822 block[0]=0;
1823 }
1824 }
1825 last_non_zero= 0;
1826 i=1;
1827 }else{
1828 last_non_zero= -1;
1829 i=0;
1830 }
1831
1832 for(; i<16; i++){
1833 const int j= scantable[i];
1834 int level= block[j]*quant_table[j];
1835
1836// if( bias+level >= (1<<(QMAT_SHIFT - 3))
1837// || bias-level >= (1<<(QMAT_SHIFT - 3))){
1838 if(((unsigned)(level+threshold1))>threshold2){
1839 if(level>0){
1840 level= (bias + level)>>QUANT_SHIFT;
1841 block[j]= level;
1842 }else{
1843 level= (bias - level)>>QUANT_SHIFT;
1844 block[j]= -level;
1845 }
1846 last_non_zero = i;
1847 }else{
1848 block[j]=0;
1849 }
1850 }
1851
1852 return last_non_zero;
1853}
1854
1855static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
1856 const uint32_t a= ((uint32_t*)(src-stride))[0];
1857 ((uint32_t*)(src+0*stride))[0]= a;
1858 ((uint32_t*)(src+1*stride))[0]= a;
1859 ((uint32_t*)(src+2*stride))[0]= a;
1860 ((uint32_t*)(src+3*stride))[0]= a;
1861}
1862
1863static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
1864 ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
1865 ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
1866 ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
1867 ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
1868}
1869
1870static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
1871 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
1872 + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
1873
1874 ((uint32_t*)(src+0*stride))[0]=
1875 ((uint32_t*)(src+1*stride))[0]=
1876 ((uint32_t*)(src+2*stride))[0]=
1877 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
1878}
1879
1880static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
1881 const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
1882
1883 ((uint32_t*)(src+0*stride))[0]=
1884 ((uint32_t*)(src+1*stride))[0]=
1885 ((uint32_t*)(src+2*stride))[0]=
1886 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
1887}
1888
1889static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
1890 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
1891
1892 ((uint32_t*)(src+0*stride))[0]=
1893 ((uint32_t*)(src+1*stride))[0]=
1894 ((uint32_t*)(src+2*stride))[0]=
1895 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
1896}
1897
1898static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
1899 ((uint32_t*)(src+0*stride))[0]=
1900 ((uint32_t*)(src+1*stride))[0]=
1901 ((uint32_t*)(src+2*stride))[0]=
1902 ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
1903}
1904
1905
1906#define LOAD_TOP_RIGHT_EDGE\
1907 const int t4= topright[0];\
1908 const int t5= topright[1];\
1909 const int t6= topright[2];\
1910 const int t7= topright[3];\
1911
1912#define LOAD_LEFT_EDGE\
1913 const int l0= src[-1+0*stride];\
1914 const int l1= src[-1+1*stride];\
1915 const int l2= src[-1+2*stride];\
1916 const int l3= src[-1+3*stride];\
1917
1918#define LOAD_TOP_EDGE\
1919 const int t0= src[ 0-1*stride];\
1920 const int t1= src[ 1-1*stride];\
1921 const int t2= src[ 2-1*stride];\
1922 const int t3= src[ 3-1*stride];\
1923
1924static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
1925 const int lt= src[-1-1*stride];
1926 LOAD_TOP_EDGE
1927 LOAD_LEFT_EDGE
1928
1929 src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
1930 src[0+2*stride]=
1931 src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
1932 src[0+1*stride]=
1933 src[1+2*stride]=
1934 src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
1935 src[0+0*stride]=
1936 src[1+1*stride]=
1937 src[2+2*stride]=
1938 src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
1939 src[1+0*stride]=
1940 src[2+1*stride]=
1941 src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
1942 src[2+0*stride]=
1943 src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
1944 src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
4cfbf61b 1945}
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1946
1947static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
1948 LOAD_TOP_EDGE
1949 LOAD_TOP_RIGHT_EDGE
1950// LOAD_LEFT_EDGE
1951
1952 src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
1953 src[1+0*stride]=
1954 src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
1955 src[2+0*stride]=
1956 src[1+1*stride]=
1957 src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
1958 src[3+0*stride]=
1959 src[2+1*stride]=
1960 src[1+2*stride]=
1961 src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
1962 src[3+1*stride]=
1963 src[2+2*stride]=
1964 src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
1965 src[3+2*stride]=
1966 src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
1967 src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
4cfbf61b 1968}
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1969
1970static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
1971 const int lt= src[-1-1*stride];
1972 LOAD_TOP_EDGE
1973 LOAD_LEFT_EDGE
1974 const __attribute__((unused)) int unu= l3;
1975
1976 src[0+0*stride]=
1977 src[1+2*stride]=(lt + t0 + 1)>>1;
1978 src[1+0*stride]=
1979 src[2+2*stride]=(t0 + t1 + 1)>>1;
1980 src[2+0*stride]=
1981 src[3+2*stride]=(t1 + t2 + 1)>>1;
1982 src[3+0*stride]=(t2 + t3 + 1)>>1;
1983 src[0+1*stride]=
1984 src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
1985 src[1+1*stride]=
1986 src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
1987 src[2+1*stride]=
1988 src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
1989 src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
1990 src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
1991 src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
4cfbf61b 1992}
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1993
1994static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
1995 LOAD_TOP_EDGE
1996 LOAD_TOP_RIGHT_EDGE
1997 const __attribute__((unused)) int unu= t7;
1998
1999 src[0+0*stride]=(t0 + t1 + 1)>>1;
2000 src[1+0*stride]=
2001 src[0+2*stride]=(t1 + t2 + 1)>>1;
2002 src[2+0*stride]=
2003 src[1+2*stride]=(t2 + t3 + 1)>>1;
2004 src[3+0*stride]=
2005 src[2+2*stride]=(t3 + t4+ 1)>>1;
2006 src[3+2*stride]=(t4 + t5+ 1)>>1;
2007 src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2008 src[1+1*stride]=
2009 src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
2010 src[2+1*stride]=
2011 src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
2012 src[3+1*stride]=
2013 src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
2014 src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
4cfbf61b 2015}
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2016
2017static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
2018 LOAD_LEFT_EDGE
2019
2020 src[0+0*stride]=(l0 + l1 + 1)>>1;
2021 src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
2022 src[2+0*stride]=
2023 src[0+1*stride]=(l1 + l2 + 1)>>1;
2024 src[3+0*stride]=
2025 src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
2026 src[2+1*stride]=
2027 src[0+2*stride]=(l2 + l3 + 1)>>1;
2028 src[3+1*stride]=
2029 src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
2030 src[3+2*stride]=
2031 src[1+3*stride]=
2032 src[0+3*stride]=
2033 src[2+2*stride]=
2034 src[2+3*stride]=
2035 src[3+3*stride]=l3;
4cfbf61b 2036}
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MN
2037
2038static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
2039 const int lt= src[-1-1*stride];
2040 LOAD_TOP_EDGE
2041 LOAD_LEFT_EDGE
2042 const __attribute__((unused)) int unu= t3;
2043
2044 src[0+0*stride]=
2045 src[2+1*stride]=(lt + l0 + 1)>>1;
2046 src[1+0*stride]=
2047 src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
2048 src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
2049 src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2050 src[0+1*stride]=
2051 src[2+2*stride]=(l0 + l1 + 1)>>1;
2052 src[1+1*stride]=
2053 src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
2054 src[0+2*stride]=
2055 src[2+3*stride]=(l1 + l2+ 1)>>1;
2056 src[1+2*stride]=
2057 src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
2058 src[0+3*stride]=(l2 + l3 + 1)>>1;
2059 src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
4cfbf61b 2060}
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MN
2061
2062static void pred16x16_vertical_c(uint8_t *src, int stride){
2063 int i;
2064 const uint32_t a= ((uint32_t*)(src-stride))[0];
2065 const uint32_t b= ((uint32_t*)(src-stride))[1];
2066 const uint32_t c= ((uint32_t*)(src-stride))[2];
2067 const uint32_t d= ((uint32_t*)(src-stride))[3];
2068
2069 for(i=0; i<16; i++){
2070 ((uint32_t*)(src+i*stride))[0]= a;
2071 ((uint32_t*)(src+i*stride))[1]= b;
2072 ((uint32_t*)(src+i*stride))[2]= c;
2073 ((uint32_t*)(src+i*stride))[3]= d;
2074 }
2075}
2076
2077static void pred16x16_horizontal_c(uint8_t *src, int stride){
2078 int i;
2079
2080 for(i=0; i<16; i++){
2081 ((uint32_t*)(src+i*stride))[0]=
2082 ((uint32_t*)(src+i*stride))[1]=
2083 ((uint32_t*)(src+i*stride))[2]=
2084 ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
2085 }
2086}
2087
2088static void pred16x16_dc_c(uint8_t *src, int stride){
2089 int i, dc=0;
2090
2091 for(i=0;i<16; i++){
2092 dc+= src[-1+i*stride];
2093 }
2094
2095 for(i=0;i<16; i++){
2096 dc+= src[i-stride];
2097 }
2098
2099 dc= 0x01010101*((dc + 16)>>5);
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]= dc;
2106 }
2107}
2108
2109static void pred16x16_left_dc_c(uint8_t *src, int stride){
2110 int i, dc=0;
2111
2112 for(i=0;i<16; i++){
2113 dc+= src[-1+i*stride];
2114 }
2115
2116 dc= 0x01010101*((dc + 8)>>4);
2117
2118 for(i=0; i<16; i++){
2119 ((uint32_t*)(src+i*stride))[0]=
2120 ((uint32_t*)(src+i*stride))[1]=
2121 ((uint32_t*)(src+i*stride))[2]=
2122 ((uint32_t*)(src+i*stride))[3]= dc;
2123 }
2124}
2125
2126static void pred16x16_top_dc_c(uint8_t *src, int stride){
2127 int i, dc=0;
2128
2129 for(i=0;i<16; i++){
2130 dc+= src[i-stride];
2131 }
2132 dc= 0x01010101*((dc + 8)>>4);
2133
2134 for(i=0; i<16; i++){
2135 ((uint32_t*)(src+i*stride))[0]=
2136 ((uint32_t*)(src+i*stride))[1]=
2137 ((uint32_t*)(src+i*stride))[2]=
2138 ((uint32_t*)(src+i*stride))[3]= dc;
2139 }
2140}
2141
2142static void pred16x16_128_dc_c(uint8_t *src, int stride){
2143 int i;
2144
2145 for(i=0; i<16; i++){
2146 ((uint32_t*)(src+i*stride))[0]=
2147 ((uint32_t*)(src+i*stride))[1]=
2148 ((uint32_t*)(src+i*stride))[2]=
2149 ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
2150 }
2151}
2152
8b82a956 2153static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
30f73fc7
MN
2154 int i, j, k;
2155 int a;
2156 uint8_t *cm = cropTbl + MAX_NEG_CROP;
2157 const uint8_t * const src0 = src+7-stride;
2158 const uint8_t *src1 = src+8*stride-1;
2159 const uint8_t *src2 = src1-2*stride; // == src+6*stride-1;
2160 int H = src0[1] - src0[-1];
2161 int V = src1[0] - src2[ 0];
2162 for(k=2; k<=8; ++k) {
2163 src1 += stride; src2 -= stride;
2164 H += k*(src0[k] - src0[-k]);
2165 V += k*(src1[0] - src2[ 0]);
2166 }
8b82a956
MN
2167 if(svq3){
2168 H = ( 5*(H/4) ) / 16;
2169 V = ( 5*(V/4) ) / 16;
2e26c8d2
MM
2170
2171 /* required for 100% accuracy */
2172 i = H; H = V; V = i;
8b82a956
MN
2173 }else{
2174 H = ( 5*H+32 ) >> 6;
2175 V = ( 5*V+32 ) >> 6;
2176 }
30f73fc7
MN
2177
2178 a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
2179 for(j=16; j>0; --j) {
2180 int b = a;
2181 a += V;
2182 for(i=-16; i<0; i+=4) {
2183 src[16+i] = cm[ (b ) >> 5 ];
2184 src[17+i] = cm[ (b+ H) >> 5 ];
2185 src[18+i] = cm[ (b+2*H) >> 5 ];
2186 src[19+i] = cm[ (b+3*H) >> 5 ];
2187 b += 4*H;
0da71265 2188 }
30f73fc7
MN
2189 src += stride;
2190 }
0da71265
MN
2191}
2192
8b82a956
MN
2193static void pred16x16_plane_c(uint8_t *src, int stride){
2194 pred16x16_plane_compat_c(src, stride, 0);
2195}
2196
0da71265
MN
2197static void pred8x8_vertical_c(uint8_t *src, int stride){
2198 int i;
2199 const uint32_t a= ((uint32_t*)(src-stride))[0];
2200 const uint32_t b= ((uint32_t*)(src-stride))[1];
2201
2202 for(i=0; i<8; i++){
2203 ((uint32_t*)(src+i*stride))[0]= a;
2204 ((uint32_t*)(src+i*stride))[1]= b;
2205 }
2206}
2207
2208static void pred8x8_horizontal_c(uint8_t *src, int stride){
2209 int i;
2210
2211 for(i=0; i<8; i++){
2212 ((uint32_t*)(src+i*stride))[0]=
2213 ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
2214 }
2215}
2216
2217static void pred8x8_128_dc_c(uint8_t *src, int stride){
2218 int i;
2219
43efd19a 2220 for(i=0; i<8; i++){
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MN
2221 ((uint32_t*)(src+i*stride))[0]=
2222 ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
2223 }
2224}
2225
2226static void pred8x8_left_dc_c(uint8_t *src, int stride){
2227 int i;
2228 int dc0, dc2;
2229
2230 dc0=dc2=0;
2231 for(i=0;i<4; i++){
2232 dc0+= src[-1+i*stride];
2233 dc2+= src[-1+(i+4)*stride];
2234 }
2235 dc0= 0x01010101*((dc0 + 2)>>2);
2236 dc2= 0x01010101*((dc2 + 2)>>2);
2237
2238 for(i=0; i<4; i++){
2239 ((uint32_t*)(src+i*stride))[0]=
2240 ((uint32_t*)(src+i*stride))[1]= dc0;
2241 }
2242 for(i=4; i<8; i++){
2243 ((uint32_t*)(src+i*stride))[0]=
2244 ((uint32_t*)(src+i*stride))[1]= dc2;
2245 }
2246}
2247
2248static void pred8x8_top_dc_c(uint8_t *src, int stride){
2249 int i;
2250 int dc0, dc1;
2251
2252 dc0=dc1=0;
2253 for(i=0;i<4; i++){
2254 dc0+= src[i-stride];
2255 dc1+= src[4+i-stride];
2256 }
2257 dc0= 0x01010101*((dc0 + 2)>>2);
2258 dc1= 0x01010101*((dc1 + 2)>>2);
2259
2260 for(i=0; i<4; i++){
2261 ((uint32_t*)(src+i*stride))[0]= dc0;
2262 ((uint32_t*)(src+i*stride))[1]= dc1;
2263 }
2264 for(i=4; i<8; i++){
2265 ((uint32_t*)(src+i*stride))[0]= dc0;
2266 ((uint32_t*)(src+i*stride))[1]= dc1;
2267 }
2268}
2269
2270
2271static void pred8x8_dc_c(uint8_t *src, int stride){
2272 int i;
2273 int dc0, dc1, dc2, dc3;
2274
2275 dc0=dc1=dc2=0;
2276 for(i=0;i<4; i++){
2277 dc0+= src[-1+i*stride] + src[i-stride];
2278 dc1+= src[4+i-stride];
2279 dc2+= src[-1+(i+4)*stride];
2280 }
2281 dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
2282 dc0= 0x01010101*((dc0 + 4)>>3);
2283 dc1= 0x01010101*((dc1 + 2)>>2);
2284 dc2= 0x01010101*((dc2 + 2)>>2);
2285
2286 for(i=0; i<4; i++){
2287 ((uint32_t*)(src+i*stride))[0]= dc0;
2288 ((uint32_t*)(src+i*stride))[1]= dc1;
2289 }
2290 for(i=4; i<8; i++){
2291 ((uint32_t*)(src+i*stride))[0]= dc2;
2292 ((uint32_t*)(src+i*stride))[1]= dc3;
2293 }
2294}
2295
2296static void pred8x8_plane_c(uint8_t *src, int stride){
30f73fc7
MN
2297 int j, k;
2298 int a;
2299 uint8_t *cm = cropTbl + MAX_NEG_CROP;
2300 const uint8_t * const src0 = src+3-stride;
2301 const uint8_t *src1 = src+4*stride-1;
2302 const uint8_t *src2 = src1-2*stride; // == src+2*stride-1;
2303 int H = src0[1] - src0[-1];
2304 int V = src1[0] - src2[ 0];
2305 for(k=2; k<=4; ++k) {
2306 src1 += stride; src2 -= stride;
2307 H += k*(src0[k] - src0[-k]);
2308 V += k*(src1[0] - src2[ 0]);
2309 }
2310 H = ( 17*H+16 ) >> 5;
2311 V = ( 17*V+16 ) >> 5;
2312
2313 a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
2314 for(j=8; j>0; --j) {
2315 int b = a;
2316 a += V;
2317 src[0] = cm[ (b ) >> 5 ];
2318 src[1] = cm[ (b+ H) >> 5 ];
2319 src[2] = cm[ (b+2*H) >> 5 ];
2320 src[3] = cm[ (b+3*H) >> 5 ];
2321 src[4] = cm[ (b+4*H) >> 5 ];
2322 src[5] = cm[ (b+5*H) >> 5 ];
2323 src[6] = cm[ (b+6*H) >> 5 ];
2324 src[7] = cm[ (b+7*H) >> 5 ];
2325 src += stride;
2326 }
0da71265
MN
2327}
2328
43efd19a
LM
2329#define SRC(x,y) src[(x)+(y)*stride]
2330#define PL(y) \
2331 const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
2332#define PREDICT_8x8_LOAD_LEFT \
2333 const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
2334 + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
2335 PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
bf4e3bd2 2336 const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
43efd19a
LM
2337
2338#define PT(x) \
2339 const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
2340#define PREDICT_8x8_LOAD_TOP \
2341 const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
2342 + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
2343 PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
bf4e3bd2 2344 const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
fb3ca6ba 2345 + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
43efd19a
LM
2346
2347#define PTR(x) \
2348 t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
2349#define PREDICT_8x8_LOAD_TOPRIGHT \
2350 int t8, t9, t10, t11, t12, t13, t14, t15; \
2351 if(has_topright) { \
2352 PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
2353 t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
2354 } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
2355
2356#define PREDICT_8x8_LOAD_TOPLEFT \
fb3ca6ba 2357 const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
43efd19a
LM
2358
2359#define PREDICT_8x8_DC(v) \
2360 int y; \
2361 for( y = 0; y < 8; y++ ) { \
2362 ((uint32_t*)src)[0] = \
2363 ((uint32_t*)src)[1] = v; \
2364 src += stride; \
2365 }
2366
2367static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2368{
2369 PREDICT_8x8_DC(0x80808080);
2370}
2371static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2372{
2373 PREDICT_8x8_LOAD_LEFT;
2374 const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
2375 PREDICT_8x8_DC(dc);
2376}
2377static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2378{
2379 PREDICT_8x8_LOAD_TOP;
2380 const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
2381 PREDICT_8x8_DC(dc);
2382}
2383static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2384{
2385 PREDICT_8x8_LOAD_LEFT;
2386 PREDICT_8x8_LOAD_TOP;
2387 const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
2388 +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
2389 PREDICT_8x8_DC(dc);
2390}
2391static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2392{
2393 PREDICT_8x8_LOAD_LEFT;
2394#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
2395 ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
2396 ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
2397#undef ROW
2398}
2399static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2400{
2401 int y;
2402 PREDICT_8x8_LOAD_TOP;
2403 src[0] = t0;
2404 src[1] = t1;
2405 src[2] = t2;
2406 src[3] = t3;
2407 src[4] = t4;
2408 src[5] = t5;
2409 src[6] = t6;
2410 src[7] = t7;
2411 for( y = 1; y < 8; y++ )
2412 *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
2413}
2414static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2415{
2416 PREDICT_8x8_LOAD_TOP;
2417 PREDICT_8x8_LOAD_TOPRIGHT;
2418 SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
2419 SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
2420 SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
2421 SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
2422 SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
2423 SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
2424 SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
2425 SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
2426 SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
2427 SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
2428 SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
2429 SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
2430 SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
2431 SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
2432 SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
2433}
2434static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2435{
2436 PREDICT_8x8_LOAD_TOP;
2437 PREDICT_8x8_LOAD_LEFT;
2438 PREDICT_8x8_LOAD_TOPLEFT;
2439 SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
2440 SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
2441 SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
2442 SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
2443 SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
2444 SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
2445 SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
2446 SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
2447 SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
2448 SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
2449 SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
2450 SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
2451 SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
2452 SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
2453 SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
2454
2455}
2456static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2457{
2458 PREDICT_8x8_LOAD_TOP;
2459 PREDICT_8x8_LOAD_LEFT;
2460 PREDICT_8x8_LOAD_TOPLEFT;
2461 SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
2462 SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
2463 SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
2464 SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
2465 SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
2466 SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
2467 SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
2468 SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
2469 SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
2470 SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
2471 SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
2472 SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
2473 SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
2474 SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
2475 SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
2476 SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
2477 SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
2478 SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
2479 SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
2480 SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
2481 SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
2482 SRC(7,0)= (t6 + t7 + 1) >> 1;
2483}
2484static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2485{
2486 PREDICT_8x8_LOAD_TOP;
2487 PREDICT_8x8_LOAD_LEFT;
2488 PREDICT_8x8_LOAD_TOPLEFT;
2489 SRC(0,7)= (l6 + l7 + 1) >> 1;
2490 SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
2491 SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
2492 SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
2493 SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
2494 SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
2495 SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
2496 SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
2497 SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
2498 SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
2499 SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
2500 SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
2501 SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
2502 SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
2503 SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
2504 SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
2505 SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
2506 SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
2507 SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
2508 SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
2509 SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
2510 SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
2511}
2512static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2513{
2514 PREDICT_8x8_LOAD_TOP;
2515 PREDICT_8x8_LOAD_TOPRIGHT;
2516 SRC(0,0)= (t0 + t1 + 1) >> 1;
2517 SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
2518 SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
2519 SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
2520 SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
2521 SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
2522 SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
2523 SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
2524 SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
2525 SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
2526 SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
2527 SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
2528 SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
2529 SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
2530 SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
2531 SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
2532 SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
2533 SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
2534 SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
2535 SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
2536 SRC(7,6)= (t10 + t11 + 1) >> 1;
2537 SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
2538}
2539static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2540{
2541 PREDICT_8x8_LOAD_LEFT;
2542 SRC(0,0)= (l0 + l1 + 1) >> 1;
2543 SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
2544 SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
2545 SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
2546 SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
2547 SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
2548 SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
2549 SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
2550 SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
2551 SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
2552 SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
2553 SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
2554 SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
2555 SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
2556 SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
2557 SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
2558 SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
2559 SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
2560}
2561#undef PREDICT_8x8_LOAD_LEFT
2562#undef PREDICT_8x8_LOAD_TOP
2563#undef PREDICT_8x8_LOAD_TOPLEFT
2564#undef PREDICT_8x8_LOAD_TOPRIGHT
2565#undef PREDICT_8x8_DC
2566#undef PTR
2567#undef PT
2568#undef PL
2569#undef SRC
2570
0da71265
MN
2571static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
2572 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2573 int src_x_offset, int src_y_offset,
2574 qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
2575 MpegEncContext * const s = &h->s;
2576 const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
2577 const int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
2578 const int luma_xy= (mx&3) + ((my&3)<<2);
2579 uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*s->linesize;
2580 uint8_t * src_cb= pic->data[1] + (mx>>3) + (my>>3)*s->uvlinesize;
2581 uint8_t * src_cr= pic->data[2] + (mx>>3) + (my>>3)*s->uvlinesize;
2582 int extra_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16; //FIXME increase edge?, IMHO not worth it
2583 int extra_height= extra_width;
2584 int emu=0;
2585 const int full_mx= mx>>2;
2586 const int full_my= my>>2;
fbd312fd
LM
2587 const int pic_width = 16*s->mb_width;
2588 const int pic_height = 16*s->mb_height;
0da71265
MN
2589
2590 assert(pic->data[0]);
2591
2592 if(mx&7) extra_width -= 3;
2593 if(my&7) extra_height -= 3;
2594
2595 if( full_mx < 0-extra_width
2596 || full_my < 0-extra_height
fbd312fd
LM
2597 || full_mx + 16/*FIXME*/ > pic_width + extra_width
2598 || full_my + 16/*FIXME*/ > pic_height + extra_height){
2599 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, pic_width, pic_height);
0da71265
MN
2600 src_y= s->edge_emu_buffer + 2 + 2*s->linesize;
2601 emu=1;
2602 }
2603
2604 qpix_op[luma_xy](dest_y, src_y, s->linesize); //FIXME try variable height perhaps?
2605 if(!square){
2606 qpix_op[luma_xy](dest_y + delta, src_y + delta, s->linesize);
2607 }
2608
2609 if(s->flags&CODEC_FLAG_GRAY) return;
2610
2611 if(emu){
fbd312fd 2612 ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
0da71265
MN
2613 src_cb= s->edge_emu_buffer;
2614 }
2615 chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7);
2616
2617 if(emu){
fbd312fd 2618 ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
0da71265
MN
2619 src_cr= s->edge_emu_buffer;
2620 }
2621 chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7);
2622}
2623
9f2d1b4f 2624static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
0da71265
MN
2625 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2626 int x_offset, int y_offset,
2627 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
2628 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
2629 int list0, int list1){
2630 MpegEncContext * const s = &h->s;
2631 qpel_mc_func *qpix_op= qpix_put;
2632 h264_chroma_mc_func chroma_op= chroma_put;
2633
2634 dest_y += 2*x_offset + 2*y_offset*s-> linesize;
2635 dest_cb += x_offset + y_offset*s->uvlinesize;
2636 dest_cr += x_offset + y_offset*s->uvlinesize;
2637 x_offset += 8*s->mb_x;
2638 y_offset += 8*s->mb_y;
2639
2640 if(list0){
1924f3ce 2641 Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
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MN
2642 mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
2643 dest_y, dest_cb, dest_cr, x_offset, y_offset,
2644 qpix_op, chroma_op);
2645
2646 qpix_op= qpix_avg;
2647 chroma_op= chroma_avg;
2648 }
2649
2650 if(list1){
1924f3ce 2651 Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
0da71265
MN
2652 mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
2653 dest_y, dest_cb, dest_cr, x_offset, y_offset,
2654 qpix_op, chroma_op);
2655 }
2656}
2657
9f2d1b4f
LM
2658static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
2659 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2660 int x_offset, int y_offset,
2661 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
2662 h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
2663 h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
2664 int list0, int list1){
2665 MpegEncContext * const s = &h->s;
2666
2667 dest_y += 2*x_offset + 2*y_offset*s-> linesize;
2668 dest_cb += x_offset + y_offset*s->uvlinesize;
2669 dest_cr += x_offset + y_offset*s->uvlinesize;
2670 x_offset += 8*s->mb_x;
2671 y_offset += 8*s->mb_y;
2672
2673 if(list0 && list1){
2674 /* don't optimize for luma-only case, since B-frames usually
2675 * use implicit weights => chroma too. */
2676 uint8_t *tmp_cb = s->obmc_scratchpad;
2677 uint8_t *tmp_cr = tmp_cb + 8*s->uvlinesize;
2678 uint8_t *tmp_y = tmp_cr + 8*s->uvlinesize;
2679 int refn0 = h->ref_cache[0][ scan8[n] ];
2680 int refn1 = h->ref_cache[1][ scan8[n] ];
2681
2682 mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
2683 dest_y, dest_cb, dest_cr,
2684 x_offset, y_offset, qpix_put, chroma_put);
2685 mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
2686 tmp_y, tmp_cb, tmp_cr,
2687 x_offset, y_offset, qpix_put, chroma_put);
2688
2689 if(h->use_weight == 2){
2690 int weight0 = h->implicit_weight[refn0][refn1];
2691 int weight1 = 64 - weight0;
2692 luma_weight_avg( dest_y, tmp_y, s-> linesize, 5, weight0, weight1, 0, 0);
2693 chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0, 0);
2694 chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0, 0);
2695 }else{
2696 luma_weight_avg(dest_y, tmp_y, s->linesize, h->luma_log2_weight_denom,
2697 h->luma_weight[0][refn0], h->luma_weight[1][refn1],
2698 h->luma_offset[0][refn0], h->luma_offset[1][refn1]);
2699 chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, h->chroma_log2_weight_denom,
2700 h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
2701 h->chroma_offset[0][refn0][0], h->chroma_offset[1][refn1][0]);
2702 chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, h->chroma_log2_weight_denom,
2703 h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
2704 h->chroma_offset[0][refn0][1], h->chroma_offset[1][refn1][1]);
2705 }
2706 }else{
2707 int list = list1 ? 1 : 0;
2708 int refn = h->ref_cache[list][ scan8[n] ];
2709 Picture *ref= &h->ref_list[list][refn];
2710 mc_dir_part(h, ref, n, square, chroma_height, delta, list,
2711 dest_y, dest_cb, dest_cr, x_offset, y_offset,
2712 qpix_put, chroma_put);
2713
2714 luma_weight_op(dest_y, s->linesize, h->luma_log2_weight_denom,
2715 h->luma_weight[list][refn], h->luma_offset[list][refn]);
2716 if(h->use_weight_chroma){
2717 chroma_weight_op(dest_cb, s->uvlinesize, h->chroma_log2_weight_denom,
2718 h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
2719 chroma_weight_op(dest_cr, s->uvlinesize, h->chroma_log2_weight_denom,
2720 h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
2721 }
2722 }
2723}
2724
2725static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
2726 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2727 int x_offset, int y_offset,
2728 qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
2729 qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
2730 h264_weight_func *weight_op, h264_biweight_func *weight_avg,
2731 int list0, int list1){
2732 if((h->use_weight==2 && list0 && list1
2733 && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
2734 || h->use_weight==1)
2735 mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
2736 x_offset, y_offset, qpix_put, chroma_put,
2737 weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
2738 else
2739 mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
2740 x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
2741}
2742
0da71265
MN
2743static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2744 qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
9f2d1b4f
LM
2745 qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
2746 h264_weight_func *weight_op, h264_biweight_func *weight_avg){
0da71265 2747 MpegEncContext * const s = &h->s;
7bc9090a 2748 const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
0da71265
MN
2749 const int mb_type= s->current_picture.mb_type[mb_xy];
2750
2751 assert(IS_INTER(mb_type));
2752
2753 if(IS_16X16(mb_type)){
2754 mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
2755 qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
9f2d1b4f 2756 &weight_op[0], &weight_avg[0],
0da71265
MN
2757 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
2758 }else if(IS_16X8(mb_type)){
2759 mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
2760 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
9f2d1b4f 2761 &weight_op[1], &weight_avg[1],
0da71265
MN
2762 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
2763 mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
2764 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
9f2d1b4f 2765 &weight_op[1], &weight_avg[1],
0da71265
MN
2766 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
2767 }else if(IS_8X16(mb_type)){
2768 mc_part(h, 0, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 0, 0,
2769 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 2770 &weight_op[2], &weight_avg[2],
0da71265
MN
2771 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
2772 mc_part(h, 4, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 4, 0,
2773 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 2774 &weight_op[2], &weight_avg[2],
0da71265
MN
2775 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
2776 }else{
2777 int i;
2778
2779 assert(IS_8X8(mb_type));
2780
2781 for(i=0; i<4; i++){
2782 const int sub_mb_type= h->sub_mb_type[i];
2783 const int n= 4*i;
2784 int x_offset= (i&1)<<2;
2785 int y_offset= (i&2)<<1;
2786
2787 if(IS_SUB_8X8(sub_mb_type)){
2788 mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
2789 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
9f2d1b4f 2790 &weight_op[3], &weight_avg[3],
0da71265
MN
2791 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2792 }else if(IS_SUB_8X4(sub_mb_type)){
2793 mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
2794 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
9f2d1b4f 2795 &weight_op[4], &weight_avg[4],
0da71265
MN
2796 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2797 mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
2798 qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
9f2d1b4f 2799 &weight_op[4], &weight_avg[4],
0da71265
MN
2800 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2801 }else if(IS_SUB_4X8(sub_mb_type)){
2802 mc_part(h, n , 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
2803 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 2804 &weight_op[5], &weight_avg[5],
0da71265
MN
2805 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2806 mc_part(h, n+1, 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
2807 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 2808 &weight_op[5], &weight_avg[5],
0da71265
MN
2809 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2810 }else{
2811 int j;
2812 assert(IS_SUB_4X4(sub_mb_type));
2813 for(j=0; j<4; j++){
2814 int sub_x_offset= x_offset + 2*(j&1);
2815 int sub_y_offset= y_offset + (j&2);
2816 mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
2817 qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
9f2d1b4f 2818 &weight_op[6], &weight_avg[6],
0da71265
MN
2819 IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
2820 }
2821 }
2822 }
2823 }
2824}
2825
2826static void decode_init_vlc(H264Context *h){
2827 static int done = 0;
2828
2829 if (!done) {
2830 int i;
2831 done = 1;
2832
2833 init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
2834 &chroma_dc_coeff_token_len [0], 1, 1,
073c2593 2835 &chroma_dc_coeff_token_bits[0], 1, 1, 1);
0da71265
MN
2836
2837 for(i=0; i<4; i++){
2838 init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
2839 &coeff_token_len [i][0], 1, 1,
073c2593 2840 &coeff_token_bits[i][0], 1, 1, 1);
0da71265
MN
2841 }
2842
2843 for(i=0; i<3; i++){
2844 init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
2845 &chroma_dc_total_zeros_len [i][0], 1, 1,
073c2593 2846 &chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
0da71265
MN
2847 }
2848 for(i=0; i<15; i++){
2849 init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
2850 &total_zeros_len [i][0], 1, 1,
073c2593 2851 &total_zeros_bits[i][0], 1, 1, 1);
0da71265
MN
2852 }
2853
2854 for(i=0; i<6; i++){
2855 init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
2856 &run_len [i][0], 1, 1,
073c2593 2857 &run_bits[i][0], 1, 1, 1);
0da71265
MN
2858 }
2859 init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
2860 &run_len [6][0], 1, 1,
073c2593 2861 &run_bits[6][0], 1, 1, 1);
0da71265
MN
2862 }
2863}
2864
2865/**
2866 * Sets the intra prediction function pointers.
2867 */
2868static void init_pred_ptrs(H264Context *h){
2869// MpegEncContext * const s = &h->s;
2870
2871 h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
2872 h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
2873 h->pred4x4[DC_PRED ]= pred4x4_dc_c;
2874 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
2875 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
2876 h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
2877 h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
2878 h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
2879 h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
2880 h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
2881 h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
2882 h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
2883
43efd19a
LM
2884 h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c;
2885 h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c;
2886 h->pred8x8l[DC_PRED ]= pred8x8l_dc_c;
2887 h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
2888 h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
2889 h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c;
2890 h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c;
2891 h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c;
2892 h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c;
2893 h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c;
2894 h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c;
2895 h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c;
2896
0da71265
MN
2897 h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
2898 h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
2899 h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
2900 h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
2901 h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
2902 h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
2903 h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
2904
2905 h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c;
2906 h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c;
2907 h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c;
2908 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
2909 h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
2910 h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
2911 h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
2912}
2913
0da71265 2914static void free_tables(H264Context *h){
0da71265 2915 av_freep(&h->intra4x4_pred_mode);
e5017ab8
LA
2916 av_freep(&h->chroma_pred_mode_table);
2917 av_freep(&h->cbp_table);
9e528114
LA
2918 av_freep(&h->mvd_table[0]);
2919 av_freep(&h->mvd_table[1]);
5ad984c9 2920 av_freep(&h->direct_table);
0da71265
MN
2921 av_freep(&h->non_zero_count);
2922 av_freep(&h->slice_table_base);
6ba71fc4
LLL
2923 av_freep(&h->top_borders[1]);
2924 av_freep(&h->top_borders[0]);
0da71265 2925 h->slice_table= NULL;
e5017ab8 2926
0da71265
MN
2927 av_freep(&h->mb2b_xy);
2928 av_freep(&h->mb2b8_xy);
9f2d1b4f
LM
2929
2930 av_freep(&h->s.obmc_scratchpad);
0da71265
MN
2931}
2932
239ea04c
LM
2933static void init_dequant8_coeff_table(H264Context *h){
2934 int i,q,x;
2935 h->dequant8_coeff[0] = h->dequant8_buffer[0];
2936 h->dequant8_coeff[1] = h->dequant8_buffer[1];
2937
2938 for(i=0; i<2; i++ ){
2939 if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
2940 h->dequant8_coeff[1] = h->dequant8_buffer[0];
2941 break;
2942 }
2943
2944 for(q=0; q<52; q++){
2945 int shift = div6[q];
2946 int idx = rem6[q];
2947 for(x=0; x<64; x++)
2948 h->dequant8_coeff[i][q][x] = ((uint32_t)dequant8_coeff_init[idx][
2949 dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] * h->pps.scaling_matrix8[i][x]) << shift;
2950 }
2951 }
2952}
2953
2954static void init_dequant4_coeff_table(H264Context *h){
2955 int i,j,q,x;
2956 for(i=0; i<6; i++ ){
2957 h->dequant4_coeff[i] = h->dequant4_buffer[i];
2958 for(j=0; j<i; j++){
2959 if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
2960 h->dequant4_coeff[i] = h->dequant4_buffer[j];
2961 break;
2962 }
2963 }
2964 if(j<i)
2965 continue;
2966
2967 for(q=0; q<52; q++){
2968 int shift = div6[q] + 2;
2969 int idx = rem6[q];
2970 for(x=0; x<16; x++)
2971 h->dequant4_coeff[i][q][x] = ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
2972 h->pps.scaling_matrix4[i][x]) << shift;
2973 }
2974 }
2975}
2976
2977static void init_dequant_tables(H264Context *h){
2978 int i,x;
2979 init_dequant4_coeff_table(h);
2980 if(h->pps.transform_8x8_mode)
2981 init_dequant8_coeff_table(h);
2982 if(h->sps.transform_bypass){
2983 for(i=0; i<6; i++)
2984 for(x=0; x<16; x++)
2985 h->dequant4_coeff[i][0][x] = 1<<6;
2986 if(h->pps.transform_8x8_mode)
2987 for(i=0; i<2; i++)
2988 for(x=0; x<64; x++)
2989 h->dequant8_coeff[i][0][x] = 1<<6;
2990 }
2991}
2992
2993
0da71265
MN
2994/**
2995 * allocates tables.
3b66c4c5 2996 * needs width/height
0da71265
MN
2997 */
2998static int alloc_tables(H264Context *h){
2999 MpegEncContext * const s = &h->s;
7bc9090a 3000 const int big_mb_num= s->mb_stride * (s->mb_height+1);
239ea04c 3001 int x,y;
0da71265
MN
3002
3003 CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
e5017ab8 3004
53c05b1e 3005 CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t))
0da71265 3006 CHECKED_ALLOCZ(h->slice_table_base , big_mb_num * sizeof(uint8_t))
6ba71fc4
LLL
3007 CHECKED_ALLOCZ(h->top_borders[0] , s->mb_width * (16+8+8) * sizeof(uint8_t))
3008 CHECKED_ALLOCZ(h->top_borders[1] , s->mb_width * (16+8+8) * sizeof(uint8_t))
5d0e4cb8 3009 CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
0da71265 3010
e5017ab8
LA
3011 if( h->pps.cabac ) {
3012 CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
9e528114
LA
3013 CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
3014 CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
5ad984c9 3015 CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
e5017ab8
LA
3016 }
3017
0da71265 3018 memset(h->slice_table_base, -1, big_mb_num * sizeof(uint8_t));
7bc9090a 3019 h->slice_table= h->slice_table_base + s->mb_stride + 1;
0da71265 3020
a55f20bd
LM
3021 CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint32_t));
3022 CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
0da71265
MN
3023 for(y=0; y<s->mb_height; y++){
3024 for(x=0; x<s->mb_width; x++){
7bc9090a 3025 const int mb_xy= x + y*s->mb_stride;
0da71265
MN
3026 const int b_xy = 4*x + 4*y*h->b_stride;
3027 const int b8_xy= 2*x + 2*y*h->b8_stride;
3028
3029 h->mb2b_xy [mb_xy]= b_xy;
3030 h->mb2b8_xy[mb_xy]= b8_xy;
3031 }
3032 }
9f2d1b4f 3033
9c6221ae
GV
3034 s->obmc_scratchpad = NULL;
3035
0da71265
MN
3036 return 0;
3037fail:
3038 free_tables(h);
3039 return -1;
3040}
3041
3042static void common_init(H264Context *h){
3043 MpegEncContext * const s = &h->s;
0da71265
MN
3044
3045 s->width = s->avctx->width;
3046 s->height = s->avctx->height;
3047 s->codec_id= s->avctx->codec->id;
3048
3049 init_pred_ptrs(h);
3050
239ea04c 3051 h->dequant_coeff_pps= -1;
9a41c2c7 3052 s->unrestricted_mv=1;
0da71265
MN
3053 s->decode=1; //FIXME
3054}
3055
3056static int decode_init(AVCodecContext *avctx){
3057 H264Context *h= avctx->priv_data;
3058 MpegEncContext * const s = &h->s;
3059
3edcacde
MN
3060 MPV_decode_defaults(s);
3061
0da71265
MN
3062 s->avctx = avctx;
3063 common_init(h);
3064
3065 s->out_format = FMT_H264;
3066 s->workaround_bugs= avctx->workaround_bugs;
3067
3068 // set defaults
0da71265
MN
3069// s->decode_mb= ff_h263_decode_mb;
3070 s->low_delay= 1;
3071 avctx->pix_fmt= PIX_FMT_YUV420P;
3072
3073 decode_init_vlc(h);
3074
26165f99
MR
3075 if(avctx->extradata_size > 0 && avctx->extradata &&
3076 *(char *)avctx->extradata == 1){
4770b1b4
RT
3077 h->is_avc = 1;
3078 h->got_avcC = 0;
26165f99
MR
3079 } else {
3080 h->is_avc = 0;
4770b1b4
RT
3081 }
3082
0da71265
MN
3083 return 0;
3084}
3085
3086static void frame_start(H264Context *h){
3087 MpegEncContext * const s = &h->s;
3088 int i;
3089
3090 MPV_frame_start(s, s->avctx);
3091 ff_er_frame_start(s);
0da71265
MN
3092
3093 assert(s->linesize && s->uvlinesize);
3094
3095 for(i=0; i<16; i++){
3096 h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
6867a90b 3097 h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
0da71265
MN
3098 }
3099 for(i=0; i<4; i++){
3100 h->block_offset[16+i]=
3101 h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
6867a90b
LLL
3102 h->block_offset[24+16+i]=
3103 h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
0da71265
MN
3104 }
3105
934b0821
LM
3106 /* can't be in alloc_tables because linesize isn't known there.
3107 * FIXME: redo bipred weight to not require extra buffer? */
3108 if(!s->obmc_scratchpad)
3109 s->obmc_scratchpad = av_malloc(16*s->linesize + 2*8*s->uvlinesize);
3110
0da71265
MN
3111// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
3112}
3113
53c05b1e
MN
3114static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
3115 MpegEncContext * const s = &h->s;
3116 int i;
3117
3118 src_y -= linesize;
3119 src_cb -= uvlinesize;
3120 src_cr -= uvlinesize;
3121
3b66c4c5 3122 // There are two lines saved, the line above the the top macroblock of a pair,
6867a90b 3123 // and the line above the bottom macroblock
6ba71fc4 3124 h->left_border[0]= h->top_borders[0][s->mb_x][15];
53c05b1e
MN
3125 for(i=1; i<17; i++){
3126 h->left_border[i]= src_y[15+i* linesize];
3127 }
3128
6ba71fc4
LLL
3129 *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
3130 *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
53c05b1e
MN
3131
3132 if(!(s->flags&CODEC_FLAG_GRAY)){
6ba71fc4
LLL
3133 h->left_border[17 ]= h->top_borders[0][s->mb_x][16+7];
3134 h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
53c05b1e
MN
3135 for(i=1; i<9; i++){
3136 h->left_border[i+17 ]= src_cb[7+i*uvlinesize];
3137 h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
3138 }
6ba71fc4
LLL
3139 *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
3140 *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
53c05b1e
MN
3141 }
3142}
3143
3144static 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){
3145 MpegEncContext * const s = &h->s;
3146 int temp8, i;
3147 uint64_t temp64;
d89dc06a
LM
3148 int deblock_left = (s->mb_x > 0);
3149 int deblock_top = (s->mb_y > 0);
53c05b1e
MN
3150
3151 src_y -= linesize + 1;
3152 src_cb -= uvlinesize + 1;
3153 src_cr -= uvlinesize + 1;
3154
3155#define XCHG(a,b,t,xchg)\
3156t= a;\
3157if(xchg)\
3158 a= b;\
3159b= t;
d89dc06a
LM
3160
3161 if(deblock_left){
3162 for(i = !deblock_top; i<17; i++){
3163 XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
3164 }
3165 }
3166
3167 if(deblock_top){
6ba71fc4
LLL
3168 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
3169 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
cad4368a 3170 if(s->mb_x+1 < s->mb_width){
43efd19a
LM
3171 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
3172 }
53c05b1e 3173 }
53c05b1e
MN
3174
3175 if(!(s->flags&CODEC_FLAG_GRAY)){
d89dc06a
LM
3176 if(deblock_left){
3177 for(i = !deblock_top; i<9; i++){
3178 XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
3179 XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
3180 }
3181 }
3182 if(deblock_top){
6ba71fc4
LLL
3183 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
3184 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
3185 }
3186 }
3187}
3188
3189static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
3190 MpegEncContext * const s = &h->s;
3191 int i;
3192
3193 src_y -= 2 * linesize;
3194 src_cb -= 2 * uvlinesize;
3195 src_cr -= 2 * uvlinesize;
3196
3b66c4c5 3197 // There are two lines saved, the line above the the top macroblock of a pair,
6ba71fc4
LLL
3198 // and the line above the bottom macroblock
3199 h->left_border[0]= h->top_borders[0][s->mb_x][15];
3200 h->left_border[1]= h->top_borders[1][s->mb_x][15];
3201 for(i=2; i<34; i++){
3202 h->left_border[i]= src_y[15+i* linesize];
3203 }
3204
3205 *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 32*linesize);
3206 *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
3207 *(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize);
3208 *(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
3209
3210 if(!(s->flags&CODEC_FLAG_GRAY)){
3211 h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7];
3212 h->left_border[34+ 1]= h->top_borders[1][s->mb_x][16+7];
3213 h->left_border[34+18 ]= h->top_borders[0][s->mb_x][24+7];
3214 h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
3215 for(i=2; i<18; i++){
3216 h->left_border[i+34 ]= src_cb[7+i*uvlinesize];
3217 h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
3218 }
3219 *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
3220 *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
3221 *(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
3222 *(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
3223 }
3224}
3225
3226static 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){
3227 MpegEncContext * const s = &h->s;
3228 int temp8, i;
3229 uint64_t temp64;
3230 int deblock_left = (s->mb_x > 0);
3231 int deblock_top = (s->mb_y > 0);
3232
3233 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);
3234
3235 src_y -= 2 * linesize + 1;
3236 src_cb -= 2 * uvlinesize + 1;
3237 src_cr -= 2 * uvlinesize + 1;
3238
3239#define XCHG(a,b,t,xchg)\
3240t= a;\
3241if(xchg)\
3242 a= b;\
3243b= t;
3244
3245 if(deblock_left){
3246 for(i = (!deblock_top)<<1; i<34; i++){
3247 XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
3248 }
3249 }
3250
3251 if(deblock_top){
3252 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
3253 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
3254 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
3255 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
3256 }
3257
3258 if(!(s->flags&CODEC_FLAG_GRAY)){
3259 if(deblock_left){
3260 for(i = (!deblock_top) << 1; i<18; i++){
3261 XCHG(h->left_border[i+34 ], src_cb[i*uvlinesize], temp8, xchg);
3262 XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
3263 }
3264 }
3265 if(deblock_top){
3266 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
3267 XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
3268 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
3269 XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
53c05b1e 3270 }
53c05b1e
MN
3271 }
3272}
3273
0da71265
MN
3274static void hl_decode_mb(H264Context *h){
3275 MpegEncContext * const s = &h->s;
3276 const int mb_x= s->mb_x;
3277 const int mb_y= s->mb_y;
7bc9090a 3278 const int mb_xy= mb_x + mb_y*s->mb_stride;
0da71265
MN
3279 const int mb_type= s->current_picture.mb_type[mb_xy];
3280 uint8_t *dest_y, *dest_cb, *dest_cr;
3281 int linesize, uvlinesize /*dct_offset*/;
3282 int i;
6867a90b 3283 int *block_offset = &h->block_offset[0];
6ba71fc4 3284 const unsigned int bottom = mb_y & 1;
36940eca
LM
3285 const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass);
3286 void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
0da71265
MN
3287
3288 if(!s->decode)
3289 return;
3290
0da71265
MN
3291 dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
3292 dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
3293 dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
3294
3295 if (h->mb_field_decoding_flag) {
3296 linesize = s->linesize * 2;
3297 uvlinesize = s->uvlinesize * 2;
6867a90b 3298 block_offset = &h->block_offset[24];
0da71265
MN
3299 if(mb_y&1){ //FIXME move out of this func?
3300 dest_y -= s->linesize*15;
6867a90b
LLL
3301 dest_cb-= s->uvlinesize*7;
3302 dest_cr-= s->uvlinesize*7;
0da71265
MN
3303 }
3304 } else {
3305 linesize = s->linesize;
3306 uvlinesize = s->uvlinesize;
3307// dct_offset = s->linesize * 16;
3308 }
36940eca
LM
3309
3310 idct_add = transform_bypass
3311 ? IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4
3312 : IS_8x8DCT(mb_type) ? s->dsp.h264_idct8_add : s->dsp.h264_idct_add;
0da71265 3313
6fbcaaa0
LLL
3314 if (IS_INTRA_PCM(mb_type)) {
3315 unsigned int x, y;
3316
3317 // The pixels are stored in h->mb array in the same order as levels,
3318 // copy them in output in the correct order.
3319 for(i=0; i<16; i++) {
3320 for (y=0; y<4; y++) {
3321 for (x=0; x<4; x++) {
6867a90b 3322 *(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
6fbcaaa0
LLL
3323 }
3324 }
3325 }
3326 for(i=16; i<16+4; i++) {
3327 for (y=0; y<4; y++) {
3328 for (x=0; x<4; x++) {
6867a90b 3329 *(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
6fbcaaa0
LLL
3330 }
3331 }
3332 }
3333 for(i=20; i<20+4; i++) {
3334 for (y=0; y<4; y++) {
3335 for (x=0; x<4; x++) {
6867a90b 3336 *(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
6fbcaaa0
LLL
3337 }
3338 }
3339 }
e7e09b49
LLL
3340 } else {
3341 if(IS_INTRA(mb_type)){
6ba71fc4
LLL
3342 if(h->deblocking_filter) {
3343 if (h->mb_aff_frame) {
3344 if (!bottom)
3345 xchg_pair_border(h, dest_y, dest_cb, dest_cr, s->linesize, s->uvlinesize, 1);
3346 } else {
3347 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
3348 }
3349 }
53c05b1e 3350
e7e09b49
LLL
3351 if(!(s->flags&CODEC_FLAG_GRAY)){
3352 h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
3353 h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
3354 }
0da71265 3355
e7e09b49
LLL
3356 if(IS_INTRA4x4(mb_type)){
3357 if(!s->encoding){
43efd19a
LM
3358 if(IS_8x8DCT(mb_type)){
3359 for(i=0; i<16; i+=4){
3360 uint8_t * const ptr= dest_y + block_offset[i];
3361 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
3362 h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
3363 (h->topright_samples_available<<(i+1))&0x8000, linesize);
3364 if(h->non_zero_count_cache[ scan8[i] ])
36940eca 3365 idct_add(ptr, h->mb + i*16, linesize);
43efd19a
LM
3366 }
3367 }else
e7e09b49 3368 for(i=0; i<16; i++){
6867a90b 3369 uint8_t * const ptr= dest_y + block_offset[i];
e7e09b49
LLL
3370 uint8_t *topright;
3371 const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
3372 int tr;
3373
3374 if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
3375 const int topright_avail= (h->topright_samples_available<<i)&0x8000;
6867a90b 3376 assert(mb_y || linesize <= block_offset[i]);
e7e09b49
LLL
3377 if(!topright_avail){
3378 tr= ptr[3 - linesize]*0x01010101;
3379 topright= (uint8_t*) &tr;
43efd19a 3380 }else
e7e09b49 3381 topright= ptr + 4 - linesize;
a9799653 3382 }else
e7e09b49
LLL
3383 topright= NULL;
3384
3385 h->pred4x4[ dir ](ptr, topright, linesize);
3386 if(h->non_zero_count_cache[ scan8[i] ]){
3387 if(s->codec_id == CODEC_ID_H264)
36940eca 3388 idct_add(ptr, h->mb + i*16, linesize);
e7e09b49
LLL
3389 else
3390 svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
3391 }
8b82a956 3392 }
0da71265 3393 }
e7e09b49
LLL
3394 }else{
3395 h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
36940eca
LM
3396 if(s->codec_id == CODEC_ID_H264){
3397 if(!transform_bypass)
239ea04c 3398 h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
36940eca 3399 }else
e7e09b49 3400 svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
0da71265 3401 }
6ba71fc4
LLL
3402 if(h->deblocking_filter) {
3403 if (h->mb_aff_frame) {
3404 if (bottom) {
3405 uint8_t *pair_dest_y = s->current_picture.data[0] + ((mb_y-1) * 16* s->linesize ) + mb_x * 16;
3406 uint8_t *pair_dest_cb = s->current_picture.data[1] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
3407 uint8_t *pair_dest_cr = s->current_picture.data[2] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
3408 s->mb_y--;
3409 xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
3410 s->mb_y++;
3411 }
3412 } else {
3413 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
3414 }
3415 }
e7e09b49
LLL
3416 }else if(s->codec_id == CODEC_ID_H264){
3417 hl_motion(h, dest_y, dest_cb, dest_cr,
3418 s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
3419 s->dsp.avg_h264_qpel_pixels_tab, s->dsp.avg_h264_chroma_pixels_tab,
3420 s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
0da71265 3421 }
e7e09b49
LLL
3422
3423
3424 if(!IS_INTRA4x4(mb_type)){
3425 if(s->codec_id == CODEC_ID_H264){
43efd19a 3426 const int di = IS_8x8DCT(mb_type) ? 4 : 1;
43efd19a 3427 for(i=0; i<16; i+=di){
e7e09b49 3428 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
6867a90b 3429 uint8_t * const ptr= dest_y + block_offset[i];
36940eca 3430 idct_add(ptr, h->mb + i*16, linesize);
e7e09b49 3431 }
4704097a 3432 }
e7e09b49
LLL
3433 }else{
3434 for(i=0; i<16; i++){
3435 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
6867a90b 3436 uint8_t * const ptr= dest_y + block_offset[i];
e7e09b49
LLL
3437 svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
3438 }
4704097a 3439 }
0da71265
MN
3440 }
3441 }
0da71265 3442
e7e09b49 3443 if(!(s->flags&CODEC_FLAG_GRAY)){
36940eca
LM
3444 idct_add = transform_bypass ? s->dsp.add_pixels4 : s->dsp.h264_idct_add;
3445 if(!transform_bypass){
239ea04c
LM
3446 chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
3447 chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
36940eca 3448 }
e7e09b49
LLL
3449 if(s->codec_id == CODEC_ID_H264){
3450 for(i=16; i<16+4; i++){
3451 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3452 uint8_t * const ptr= dest_cb + block_offset[i];
36940eca 3453 idct_add(ptr, h->mb + i*16, uvlinesize);
e7e09b49 3454 }
4704097a 3455 }
e7e09b49
LLL
3456 for(i=20; i<20+4; i++){
3457 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3458 uint8_t * const ptr= dest_cr + block_offset[i];
36940eca 3459 idct_add(ptr, h->mb + i*16, uvlinesize);
e7e09b49 3460 }
4704097a 3461 }
e7e09b49
LLL
3462 }else{
3463 for(i=16; i<16+4; i++){
3464 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3465 uint8_t * const ptr= dest_cb + block_offset[i];
e7e09b49
LLL
3466 svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
3467 }
4704097a 3468 }
e7e09b49
LLL
3469 for(i=20; i<20+4; i++){
3470 if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
6867a90b 3471 uint8_t * const ptr= dest_cr + block_offset[i];
e7e09b49
LLL
3472 svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
3473 }
4704097a 3474 }
0da71265
MN
3475 }
3476 }
3477 }
53c05b1e 3478 if(h->deblocking_filter) {
6ba71fc4
LLL
3479 if (h->mb_aff_frame) {
3480 const int mb_y = s->mb_y - 1;
3481 uint8_t *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
3482 const int mb_xy= mb_x + mb_y*s->mb_stride;
3483 const int mb_type_top = s->current_picture.mb_type[mb_xy];
3484 const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
3485 uint8_t tmp = s->current_picture.data[1][384];
3486 if (!bottom) return;
3487 pair_dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
3488 pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
3489 pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
3490
3491 backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
3492 // TODO deblock a pair
3493 // top
3494 s->mb_y--;
3495 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);
3b66c4c5 3496 fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
6ba71fc4
LLL
3497 filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
3498 if (tmp != s->current_picture.data[1][384]) {
3499 tprintf("modified pixel 8,1 (1)\n");
3500 }
3501 // bottom
3502 s->mb_y++;
3503 tprintf("call mbaff filter_mb\n");
3b66c4c5 3504 fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
6ba71fc4
LLL
3505 filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3506 if (tmp != s->current_picture.data[1][384]) {
3507 tprintf("modified pixel 8,1 (2)\n");
3508 }
3509 } else {
3510 tprintf("call filter_mb\n");
3511 backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3b66c4c5 3512 fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
6ba71fc4
LLL
3513 filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
3514 }
53c05b1e 3515 }
0da71265
MN
3516}
3517
0da71265
MN
3518/**
3519 * fills the default_ref_list.
3520 */
3521static int fill_default_ref_list(H264Context *h){
3522 MpegEncContext * const s = &h->s;
3523 int i;
827c91bf 3524 int smallest_poc_greater_than_current = -1;
17107065 3525 Picture sorted_short_ref[32];
0da71265
MN
3526
3527 if(h->slice_type==B_TYPE){
3528 int out_i;
29860cc8 3529 int limit= INT_MIN;
0da71265 3530
827c91bf 3531 /* sort frame according to poc in B slice */
0da71265 3532 for(out_i=0; out_i<h->short_ref_count; out_i++){
29860cc8 3533 int best_i=INT_MIN;
792bb815 3534 int best_poc=INT_MAX;
0da71265
MN
3535
3536 for(i=0; i<h->short_ref_count; i++){
3537 const int poc= h->short_ref[i]->poc;
3538 if(poc > limit && poc < best_poc){
3539 best_poc= poc;
3540 best_i= i;
3541 }
3542 }
3543
29860cc8 3544 assert(best_i != INT_MIN);
0da71265
MN
3545
3546 limit= best_poc;
3547 sorted_short_ref[out_i]= *h->short_ref[best_i];
827c91bf
LLL
3548 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);
3549 if (-1 == smallest_poc_greater_than_current) {
3550 if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
3551 smallest_poc_greater_than_current = out_i;
3552 }
3553 }
0da71265
MN
3554 }
3555 }
3556
3557 if(s->picture_structure == PICT_FRAME){
3558 if(h->slice_type==B_TYPE){
0da71265 3559 int list;
827c91bf 3560 tprintf("current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
0da71265 3561
827c91bf 3562 // find the largest poc
0da71265 3563 for(list=0; list<2; list++){
827c91bf 3564 int index = 0;
3b33943e
MN
3565 int j= -99;
3566 int step= list ? -1 : 1;
827c91bf 3567
3b33943e
MN
3568 for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
3569 while(j<0 || j>= h->short_ref_count){
6ab87211
MN
3570 if(j != -99 && step == (list ? -1 : 1))
3571 return -1;
3b33943e
MN
3572 step = -step;
3573 j= smallest_poc_greater_than_current + (step>>1);
0da71265 3574 }
3b33943e
MN
3575 if(sorted_short_ref[j].reference != 3) continue;
3576 h->default_ref_list[list][index ]= sorted_short_ref[j];
3577 h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
0da71265
MN
3578 }
3579
827c91bf
LLL
3580 for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
3581 if(h->long_ref[i] == NULL) continue;
0da71265
MN
3582 if(h->long_ref[i]->reference != 3) continue;
3583
3584 h->default_ref_list[ list ][index ]= *h->long_ref[i];
3585 h->default_ref_list[ list ][index++].pic_id= i;;
3586 }
3587
3b33943e 3588 if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
827c91bf
LLL
3589 // swap the two first elements of L1 when
3590 // L0 and L1 are identical
0da71265
MN
3591 Picture temp= h->default_ref_list[1][0];
3592 h->default_ref_list[1][0] = h->default_ref_list[1][1];
5cb46bc7 3593 h->default_ref_list[1][1] = temp;
0da71265
MN
3594 }
3595
3596 if(index < h->ref_count[ list ])
3597 memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
3598 }
3599 }else{
3600 int index=0;
2f944356 3601 for(i=0; i<h->short_ref_count; i++){
0da71265
MN
3602 if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
3603 h->default_ref_list[0][index ]= *h->short_ref[i];
3604 h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
3605 }
2f944356 3606 for(i = 0; i < 16; i++){
827c91bf 3607 if(h->long_ref[i] == NULL) continue;
0da71265
MN
3608 if(h->long_ref[i]->reference != 3) continue;
3609 h->default_ref_list[0][index ]= *h->long_ref[i];
3610 h->default_ref_list[0][index++].pic_id= i;;
3611 }
3612 if(index < h->ref_count[0])
3613 memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
3614 }
3615 }else{ //FIELD
3616 if(h->slice_type==B_TYPE){
3617 }else{
3618 //FIXME second field balh
3619 }
3620 }
827c91bf
LLL
3621#ifdef TRACE
3622 for (i=0; i<h->ref_count[0]; i++) {
3623 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]);
3624 }
3625 if(h->slice_type==B_TYPE){
3626 for (i=0; i<h->ref_count[1]; i++) {
3627 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]);
3628 }
3629 }
3630#endif
0da71265
MN
3631 return 0;
3632}
3633
827c91bf
LLL
3634static void print_short_term(H264Context *h);
3635static void print_long_term(H264Context *h);
3636
0da71265
MN
3637static int decode_ref_pic_list_reordering(H264Context *h){
3638 MpegEncContext * const s = &h->s;
6ab87211 3639 int list, index;
0da71265 3640
827c91bf
LLL