FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/snowenc.c
Date: 2022-01-23 21:51:25
Exec Total Coverage
Lines: 975 1207 80.8%
Branches: 593 800 74.1%

Line Branch Exec Source
1 /*
2 * Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "libavutil/intmath.h"
22 #include "libavutil/libm.h"
23 #include "libavutil/log.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/pixdesc.h"
26 #include "avcodec.h"
27 #include "encode.h"
28 #include "internal.h"
29 #include "packet_internal.h"
30 #include "snow_dwt.h"
31 #include "snow.h"
32
33 #include "rangecoder.h"
34 #include "mathops.h"
35
36 #include "mpegvideo.h"
37 #include "h263.h"
38
39 9 static av_cold int encode_init(AVCodecContext *avctx)
40 {
41 9 SnowContext *s = avctx->priv_data;
42 int plane_index, ret;
43 int i;
44
45
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 3 times.
9 if(s->pred == DWT_97
46
1/2
✓ Branch 0 taken 6 times.
✗ Branch 1 not taken.
6 && (avctx->flags & AV_CODEC_FLAG_QSCALE)
47
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
6 && avctx->global_quality == 0){
48 av_log(avctx, AV_LOG_ERROR, "The 9/7 wavelet is incompatible with lossless mode.\n");
49 return AVERROR(EINVAL);
50 }
51
52 9 s->spatial_decomposition_type= s->pred; //FIXME add decorrelator type r transform_type
53
54
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 3 times.
9 s->mv_scale = (avctx->flags & AV_CODEC_FLAG_QPEL) ? 2 : 4;
55 9 s->block_max_depth= (avctx->flags & AV_CODEC_FLAG_4MV ) ? 1 : 0;
56
57
2/2
✓ Branch 0 taken 27 times.
✓ Branch 1 taken 9 times.
36 for(plane_index=0; plane_index<3; plane_index++){
58 27 s->plane[plane_index].diag_mc= 1;
59 27 s->plane[plane_index].htaps= 6;
60 27 s->plane[plane_index].hcoeff[0]= 40;
61 27 s->plane[plane_index].hcoeff[1]= -10;
62 27 s->plane[plane_index].hcoeff[2]= 2;
63 27 s->plane[plane_index].fast_mc= 1;
64 }
65
66
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
9 if ((ret = ff_snow_common_init(avctx)) < 0) {
67 return ret;
68 }
69 9 ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx);
70
71 9 ff_snow_alloc_blocks(s);
72
73 9 s->version=0;
74
75 9 s->m.avctx = avctx;
76 9 s->m.bit_rate= avctx->bit_rate;
77 9 s->m.lmin = avctx->mb_lmin;
78 9 s->m.lmax = avctx->mb_lmax;
79 9 s->m.mb_num = (avctx->width * avctx->height + 255) / 256; // For ratecontrol
80
81 9 s->m.me.temp =
82 9 s->m.me.scratchpad = av_calloc(avctx->width + 64, 2*16*2*sizeof(uint8_t));
83 9 s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
84 9 s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
85 9 s->m.sc.obmc_scratchpad= av_mallocz(MB_SIZE*MB_SIZE*12*sizeof(uint32_t));
86
4/8
✓ Branch 0 taken 9 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 9 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 9 times.
9 if (!s->m.me.scratchpad || !s->m.me.map || !s->m.me.score_map || !s->m.sc.obmc_scratchpad)
87 return AVERROR(ENOMEM);
88
89 9 ff_h263_encode_init(&s->m); //mv_penalty
90
91 9 s->max_ref_frames = av_clip(avctx->refs, 1, MAX_REF_FRAMES);
92
93
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 9 times.
9 if(avctx->flags&AV_CODEC_FLAG_PASS1){
94 if(!avctx->stats_out)
95 avctx->stats_out = av_mallocz(256);
96
97 if (!avctx->stats_out)
98 return AVERROR(ENOMEM);
99 }
100
2/4
✓ Branch 0 taken 9 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 9 times.
9 if((avctx->flags&AV_CODEC_FLAG_PASS2) || !(avctx->flags&AV_CODEC_FLAG_QSCALE)){
101 ret = ff_rate_control_init(&s->m);
102 if(ret < 0)
103 return ret;
104 }
105 9 s->pass1_rc= !(avctx->flags & (AV_CODEC_FLAG_QSCALE|AV_CODEC_FLAG_PASS2));
106
107
1/3
✓ Branch 0 taken 9 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
9 switch(avctx->pix_fmt){
108 9 case AV_PIX_FMT_YUV444P:
109 // case AV_PIX_FMT_YUV422P:
110 case AV_PIX_FMT_YUV420P:
111 // case AV_PIX_FMT_YUV411P:
112 case AV_PIX_FMT_YUV410P:
113 9 s->nb_planes = 3;
114 9 s->colorspace_type= 0;
115 9 break;
116 case AV_PIX_FMT_GRAY8:
117 s->nb_planes = 1;
118 s->colorspace_type = 1;
119 break;
120 /* case AV_PIX_FMT_RGB32:
121 s->colorspace= 1;
122 break;*/
123 }
124
125 9 ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift,
126 &s->chroma_v_shift);
127
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 9 times.
9 if (ret)
128 return ret;
129
130 9 ff_set_cmp(&s->mecc, s->mecc.me_cmp, s->avctx->me_cmp);
131 9 ff_set_cmp(&s->mecc, s->mecc.me_sub_cmp, s->avctx->me_sub_cmp);
132
133 9 s->input_picture = av_frame_alloc();
134
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 9 times.
9 if (!s->input_picture)
135 return AVERROR(ENOMEM);
136
137
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
9 if ((ret = ff_snow_get_buffer(s, s->input_picture)) < 0)
138 return ret;
139
140
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 3 times.
9 if(s->motion_est == FF_ME_ITER){
141 6 int size= s->b_width * s->b_height << 2*s->block_max_depth;
142
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 6 times.
12 for(i=0; i<s->max_ref_frames; i++){
143 6 s->ref_mvs[i] = av_calloc(size, sizeof(*s->ref_mvs[i]));
144 6 s->ref_scores[i] = av_calloc(size, sizeof(*s->ref_scores[i]));
145
2/4
✓ Branch 0 taken 6 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 6 times.
6 if (!s->ref_mvs[i] || !s->ref_scores[i])
146 return AVERROR(ENOMEM);
147 }
148 }
149
150 9 return 0;
151 }
152
153 //near copy & paste from dsputil, FIXME
154 827820 static int pix_sum(uint8_t * pix, int line_size, int w, int h)
155 {
156 int s, i, j;
157
158 827820 s = 0;
159
2/2
✓ Branch 0 taken 5408640 times.
✓ Branch 1 taken 827820 times.
6236460 for (i = 0; i < h; i++) {
160
2/2
✓ Branch 0 taken 44375040 times.
✓ Branch 1 taken 5408640 times.
49783680 for (j = 0; j < w; j++) {
161 44375040 s += pix[0];
162 44375040 pix ++;
163 }
164 5408640 pix += line_size - w;
165 }
166 827820 return s;
167 }
168
169 //near copy & paste from dsputil, FIXME
170 275940 static int pix_norm1(uint8_t * pix, int line_size, int w)
171 {
172 int s, i, j;
173 275940 const uint32_t *sq = ff_square_tab + 256;
174
175 275940 s = 0;
176
2/2
✓ Branch 0 taken 2704320 times.
✓ Branch 1 taken 275940 times.
2980260 for (i = 0; i < w; i++) {
177
2/2
✓ Branch 0 taken 29583360 times.
✓ Branch 1 taken 2704320 times.
32287680 for (j = 0; j < w; j ++) {
178 29583360 s += sq[pix[0]];
179 29583360 pix ++;
180 }
181 2704320 pix += line_size - w;
182 }
183 275940 return s;
184 }
185
186 1144148 static inline int get_penalty_factor(int lambda, int lambda2, int type){
187
2/7
✓ Branch 0 taken 810540 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 333608 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
1144148 switch(type&0xFF){
188 810540 default:
189 case FF_CMP_SAD:
190 810540 return lambda>>FF_LAMBDA_SHIFT;
191 case FF_CMP_DCT:
192 return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
193 case FF_CMP_W53:
194 return (4*lambda)>>(FF_LAMBDA_SHIFT);
195 333608 case FF_CMP_W97:
196 333608 return (2*lambda)>>(FF_LAMBDA_SHIFT);
197 case FF_CMP_SATD:
198 case FF_CMP_DCT264:
199 return (2*lambda)>>FF_LAMBDA_SHIFT;
200 case FF_CMP_RD:
201 case FF_CMP_PSNR:
202 case FF_CMP_SSE:
203 case FF_CMP_NSSE:
204 return lambda2>>FF_LAMBDA_SHIFT;
205 case FF_CMP_BIT:
206 return 1;
207 }
208 }
209
210 //FIXME copy&paste
211 #define P_LEFT P[1]
212 #define P_TOP P[2]
213 #define P_TOPRIGHT P[3]
214 #define P_MEDIAN P[4]
215 #define P_MV1 P[9]
216 #define FLAG_QPEL 1 //must be 1
217
218 281880 static int encode_q_branch(SnowContext *s, int level, int x, int y){
219 uint8_t p_buffer[1024];
220 uint8_t i_buffer[1024];
221 uint8_t p_state[sizeof(s->block_state)];
222 uint8_t i_state[sizeof(s->block_state)];
223 RangeCoder pc, ic;
224 281880 uint8_t *pbbak= s->c.bytestream;
225 281880 uint8_t *pbbak_start= s->c.bytestream_start;
226 int score, score2, iscore, i_len, p_len, block_s, sum, base_bits;
227 281880 const int w= s->b_width << s->block_max_depth;
228 281880 const int h= s->b_height << s->block_max_depth;
229 281880 const int rem_depth= s->block_max_depth - level;
230 281880 const int index= (x + y*w) << rem_depth;
231 281880 const int block_w= 1<<(LOG2_MB_SIZE - level);
232 281880 int trx= (x+1)<<rem_depth;
233 281880 int try= (y+1)<<rem_depth;
234
2/2
✓ Branch 0 taken 273240 times.
✓ Branch 1 taken 8640 times.
281880 const BlockNode *left = x ? &s->block[index-1] : &null_block;
235
2/2
✓ Branch 0 taken 270480 times.
✓ Branch 1 taken 11400 times.
281880 const BlockNode *top = y ? &s->block[index-w] : &null_block;
236
2/2
✓ Branch 0 taken 273240 times.
✓ Branch 1 taken 8640 times.
281880 const BlockNode *right = trx<w ? &s->block[index+1] : &null_block;
237
2/2
✓ Branch 0 taken 270480 times.
✓ Branch 1 taken 11400 times.
281880 const BlockNode *bottom= try<h ? &s->block[index+w] : &null_block;
238
4/4
✓ Branch 0 taken 270480 times.
✓ Branch 1 taken 11400 times.
✓ Branch 2 taken 262395 times.
✓ Branch 3 taken 8085 times.
281880 const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
239
8/8
✓ Branch 0 taken 270480 times.
✓ Branch 1 taken 11400 times.
✓ Branch 2 taken 262395 times.
✓ Branch 3 taken 8085 times.
✓ Branch 4 taken 127155 times.
✓ Branch 5 taken 135240 times.
✓ Branch 6 taken 27930 times.
✓ Branch 7 taken 99225 times.
281880 const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
240 281880 int pl = left->color[0];
241 281880 int pcb= left->color[1];
242 281880 int pcr= left->color[2];
243 int pmx, pmy;
244 281880 int mx=0, my=0;
245 int l,cr,cb;
246 281880 const int stride= s->current_picture->linesize[0];
247 281880 const int uvstride= s->current_picture->linesize[1];
248 281880 uint8_t *current_data[3]= { s->input_picture->data[0] + (x + y* stride)*block_w,
249 281880 s->input_picture->data[1] + ((x*block_w)>>s->chroma_h_shift) + ((y*uvstride*block_w)>>s->chroma_v_shift),
250 281880 s->input_picture->data[2] + ((x*block_w)>>s->chroma_h_shift) + ((y*uvstride*block_w)>>s->chroma_v_shift)};
251 int P[10][2];
252 int16_t last_mv[3][2];
253 281880 int qpel= !!(s->avctx->flags & AV_CODEC_FLAG_QPEL); //unused
254 281880 const int shift= 1+qpel;
255 281880 MotionEstContext *c= &s->m.me;
256 281880 int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
257 281880 int mx_context= av_log2(2*FFABS(left->mx - top->mx));
258 281880 int my_context= av_log2(2*FFABS(left->my - top->my));
259 281880 int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
260 int ref, best_ref, ref_score, ref_mx, ref_my;
261
262 av_assert0(sizeof(s->block_state) >= 256);
263
2/2
✓ Branch 0 taken 5940 times.
✓ Branch 1 taken 275940 times.
281880 if(s->keyframe){
264 5940 set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA);
265 5940 return 0;
266 }
267
268 // clip predictors / edge ?
269
270 275940 P_LEFT[0]= left->mx;
271 275940 P_LEFT[1]= left->my;
272 275940 P_TOP [0]= top->mx;
273 275940 P_TOP [1]= top->my;
274 275940 P_TOPRIGHT[0]= tr->mx;
275 275940 P_TOPRIGHT[1]= tr->my;
276
277 275940 last_mv[0][0]= s->block[index].mx;
278 275940 last_mv[0][1]= s->block[index].my;
279 275940 last_mv[1][0]= right->mx;
280 275940 last_mv[1][1]= right->my;
281 275940 last_mv[2][0]= bottom->mx;
282 275940 last_mv[2][1]= bottom->my;
283
284 275940 s->m.mb_stride=2;
285 275940 s->m.mb_x=
286 275940 s->m.mb_y= 0;
287 275940 c->skip= 0;
288
289 av_assert1(c-> stride == stride);
290 av_assert1(c->uvstride == uvstride);
291
292 275940 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
293 275940 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
294 275940 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
295 275940 c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_DMV;
296
297 275940 c->xmin = - x*block_w - 16+3;
298 275940 c->ymin = - y*block_w - 16+3;
299 275940 c->xmax = - (x+1)*block_w + (w<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-3;
300 275940 c->ymax = - (y+1)*block_w + (h<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-3;
301
302
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 275939 times.
275940 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
303
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 275939 times.
275940 if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift);
304
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 275940 times.
275940 if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift);
305
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 275939 times.
275940 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
306
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 275939 times.
275940 if(P_TOPRIGHT[0] < (c->xmin * (1<<shift))) P_TOPRIGHT[0]= (c->xmin * (1<<shift));
307
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 275939 times.
275940 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip
308
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 275939 times.
275940 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
309
310 275940 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
311 275940 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
312
313
2/2
✓ Branch 0 taken 11070 times.
✓ Branch 1 taken 264870 times.
275940 if (!y) {
314 11070 c->pred_x= P_LEFT[0];
315 11070 c->pred_y= P_LEFT[1];
316 } else {
317 264870 c->pred_x = P_MEDIAN[0];
318 264870 c->pred_y = P_MEDIAN[1];
319 }
320
321 275940 score= INT_MAX;
322 275940 best_ref= 0;
323
2/2
✓ Branch 0 taken 275940 times.
✓ Branch 1 taken 275940 times.
551880 for(ref=0; ref<s->ref_frames; ref++){
324 275940 init_ref(c, current_data, s->last_picture[ref]->data, NULL, block_w*x, block_w*y, 0);
325
326 275940 ref_score= ff_epzs_motion_search(&s->m, &ref_mx, &ref_my, P, 0, /*ref_index*/ 0, last_mv,
327 (1<<16)>>shift, level-LOG2_MB_SIZE+4, block_w);
328
329 av_assert2(ref_mx >= c->xmin);
330 av_assert2(ref_mx <= c->xmax);
331 av_assert2(ref_my >= c->ymin);
332 av_assert2(ref_my <= c->ymax);
333
334 275940 ref_score= c->sub_motion_search(&s->m, &ref_mx, &ref_my, ref_score, 0, 0, level-LOG2_MB_SIZE+4, block_w);
335 275940 ref_score= ff_get_mb_score(&s->m, ref_mx, ref_my, 0, 0, level-LOG2_MB_SIZE+4, block_w, 0);
336 275940 ref_score+= 2*av_log2(2*ref)*c->penalty_factor;
337
2/2
✓ Branch 0 taken 8640 times.
✓ Branch 1 taken 267300 times.
275940 if(s->ref_mvs[ref]){
338 8640 s->ref_mvs[ref][index][0]= ref_mx;
339 8640 s->ref_mvs[ref][index][1]= ref_my;
340 8640 s->ref_scores[ref][index]= ref_score;
341 }
342
1/2
✓ Branch 0 taken 275940 times.
✗ Branch 1 not taken.
275940 if(score > ref_score){
343 275940 score= ref_score;
344 275940 best_ref= ref;
345 275940 mx= ref_mx;
346 275940 my= ref_my;
347 }
348 }
349 //FIXME if mb_cmp != SSE then intra cannot be compared currently and mb_penalty vs. lambda2
350
351 // subpel search
352 275940 base_bits= get_rac_count(&s->c) - 8*(s->c.bytestream - s->c.bytestream_start);
353 275940 pc= s->c;
354 275940 pc.bytestream_start=
355 275940 pc.bytestream= p_buffer; //FIXME end/start? and at the other stoo
356 275940 memcpy(p_state, s->block_state, sizeof(s->block_state));
357
358
2/2
✓ Branch 0 taken 53460 times.
✓ Branch 1 taken 222480 times.
275940 if(level!=s->block_max_depth)
359 53460 put_rac(&pc, &p_state[4 + s_context], 1);
360 275940 put_rac(&pc, &p_state[1 + left->type + top->type], 0);
361
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 275940 times.
275940 if(s->ref_frames > 1)
362 put_symbol(&pc, &p_state[128 + 1024 + 32*ref_context], best_ref, 0);
363 275940 pred_mv(s, &pmx, &pmy, best_ref, left, top, tr);
364
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 275940 times.
275940 put_symbol(&pc, &p_state[128 + 32*(mx_context + 16*!!best_ref)], mx - pmx, 1);
365
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 275940 times.
275940 put_symbol(&pc, &p_state[128 + 32*(my_context + 16*!!best_ref)], my - pmy, 1);
366 275940 p_len= pc.bytestream - pc.bytestream_start;
367 275940 score += (s->lambda2*(get_rac_count(&pc)-base_bits))>>FF_LAMBDA_SHIFT;
368
369 275940 block_s= block_w*block_w;
370 275940 sum = pix_sum(current_data[0], stride, block_w, block_w);
371 275940 l= (sum + block_s/2)/block_s;
372 275940 iscore = pix_norm1(current_data[0], stride, block_w) - 2*l*sum + l*l*block_s;
373
374
1/2
✓ Branch 0 taken 275940 times.
✗ Branch 1 not taken.
275940 if (s->nb_planes > 2) {
375 275940 block_s= block_w*block_w>>(s->chroma_h_shift + s->chroma_v_shift);
376 275940 sum = pix_sum(current_data[1], uvstride, block_w>>s->chroma_h_shift, block_w>>s->chroma_v_shift);
377 275940 cb= (sum + block_s/2)/block_s;
378 // iscore += pix_norm1(&current_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
379 275940 sum = pix_sum(current_data[2], uvstride, block_w>>s->chroma_h_shift, block_w>>s->chroma_v_shift);
380 275940 cr= (sum + block_s/2)/block_s;
381 // iscore += pix_norm1(&current_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;
382 }else
383 cb = cr = 0;
384
385 275940 ic= s->c;
386 275940 ic.bytestream_start=
387 275940 ic.bytestream= i_buffer; //FIXME end/start? and at the other stoo
388 275940 memcpy(i_state, s->block_state, sizeof(s->block_state));
389
2/2
✓ Branch 0 taken 53460 times.
✓ Branch 1 taken 222480 times.
275940 if(level!=s->block_max_depth)
390 53460 put_rac(&ic, &i_state[4 + s_context], 1);
391 275940 put_rac(&ic, &i_state[1 + left->type + top->type], 1);
392 275940 put_symbol(&ic, &i_state[32], l-pl , 1);
393
1/2
✓ Branch 0 taken 275940 times.
✗ Branch 1 not taken.
275940 if (s->nb_planes > 2) {
394 275940 put_symbol(&ic, &i_state[64], cb-pcb, 1);
395 275940 put_symbol(&ic, &i_state[96], cr-pcr, 1);
396 }
397 275940 i_len= ic.bytestream - ic.bytestream_start;
398 275940 iscore += (s->lambda2*(get_rac_count(&ic)-base_bits))>>FF_LAMBDA_SHIFT;
399
400 av_assert1(iscore < 255*255*256 + s->lambda2*10);
401 av_assert1(iscore >= 0);
402 av_assert1(l>=0 && l<=255);
403 av_assert1(pl>=0 && pl<=255);
404
405
2/2
✓ Branch 0 taken 62100 times.
✓ Branch 1 taken 213840 times.
275940 if(level==0){
406 62100 int varc= iscore >> 8;
407 62100 int vard= score >> 8;
408
3/4
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 62098 times.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
62100 if (vard <= 64 || vard < varc)
409 62100 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
410 else
411 c->scene_change_score+= s->m.qscale;
412 }
413
414
2/2
✓ Branch 0 taken 53460 times.
✓ Branch 1 taken 222480 times.
275940 if(level!=s->block_max_depth){
415 53460 put_rac(&s->c, &s->block_state[4 + s_context], 0);
416 53460 score2 = encode_q_branch(s, level+1, 2*x+0, 2*y+0);
417 53460 score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+0);
418 53460 score2+= encode_q_branch(s, level+1, 2*x+0, 2*y+1);
419 53460 score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+1);
420 53460 score2+= s->lambda2>>FF_LAMBDA_SHIFT; //FIXME exact split overhead
421
422
3/4
✓ Branch 0 taken 45013 times.
✓ Branch 1 taken 8447 times.
✓ Branch 2 taken 45013 times.
✗ Branch 3 not taken.
53460 if(score2 < score && score2 < iscore)
423 45013 return score2;
424 }
425
426
2/2
✓ Branch 0 taken 5 times.
✓ Branch 1 taken 230922 times.
230927 if(iscore < score){
427 5 pred_mv(s, &pmx, &pmy, 0, left, top, tr);
428 5 memcpy(pbbak, i_buffer, i_len);
429 5 s->c= ic;
430 5 s->c.bytestream_start= pbbak_start;
431 5 s->c.bytestream= pbbak + i_len;
432 5 set_blocks(s, level, x, y, l, cb, cr, pmx, pmy, 0, BLOCK_INTRA);
433 5 memcpy(s->block_state, i_state, sizeof(s->block_state));
434 5 return iscore;
435 }else{
436 230922 memcpy(pbbak, p_buffer, p_len);
437 230922 s->c= pc;
438 230922 s->c.bytestream_start= pbbak_start;
439 230922 s->c.bytestream= pbbak + p_len;
440 230922 set_blocks(s, level, x, y, pl, pcb, pcr, mx, my, best_ref, 0);
441 230922 memcpy(s->block_state, p_state, sizeof(s->block_state));
442 230922 return score;
443 }
444 }
445
446 9600 static void encode_q_branch2(SnowContext *s, int level, int x, int y){
447 9600 const int w= s->b_width << s->block_max_depth;
448 9600 const int rem_depth= s->block_max_depth - level;
449 9600 const int index= (x + y*w) << rem_depth;
450 9600 int trx= (x+1)<<rem_depth;
451 9600 BlockNode *b= &s->block[index];
452
2/2
✓ Branch 0 taken 8400 times.
✓ Branch 1 taken 1200 times.
9600 const BlockNode *left = x ? &s->block[index-1] : &null_block;
453
2/2
✓ Branch 0 taken 7200 times.
✓ Branch 1 taken 2400 times.
9600 const BlockNode *top = y ? &s->block[index-w] : &null_block;
454
4/4
✓ Branch 0 taken 7200 times.
✓ Branch 1 taken 2400 times.
✓ Branch 2 taken 6300 times.
✓ Branch 3 taken 900 times.
9600 const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
455
7/8
✓ Branch 0 taken 7200 times.
✓ Branch 1 taken 2400 times.
✓ Branch 2 taken 6300 times.
✓ Branch 3 taken 900 times.
✓ Branch 4 taken 2700 times.
✓ Branch 5 taken 3600 times.
✓ Branch 6 taken 2700 times.
✗ Branch 7 not taken.
9600 const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
456 9600 int pl = left->color[0];
457 9600 int pcb= left->color[1];
458 9600 int pcr= left->color[2];
459 int pmx, pmy;
460 9600 int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
461
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 9600 times.
9600 int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 16*!!b->ref;
462
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 9600 times.
9600 int my_context= av_log2(2*FFABS(left->my - top->my)) + 16*!!b->ref;
463 9600 int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
464
465
2/2
✓ Branch 0 taken 960 times.
✓ Branch 1 taken 8640 times.
9600 if(s->keyframe){
466 960 set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA);
467 960 return;
468 }
469
470
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8640 times.
8640 if(level!=s->block_max_depth){
471 if(same_block(b,b+1) && same_block(b,b+w) && same_block(b,b+w+1)){
472 put_rac(&s->c, &s->block_state[4 + s_context], 1);
473 }else{
474 put_rac(&s->c, &s->block_state[4 + s_context], 0);
475 encode_q_branch2(s, level+1, 2*x+0, 2*y+0);
476 encode_q_branch2(s, level+1, 2*x+1, 2*y+0);
477 encode_q_branch2(s, level+1, 2*x+0, 2*y+1);
478 encode_q_branch2(s, level+1, 2*x+1, 2*y+1);
479 return;
480 }
481 }
482
2/2
✓ Branch 0 taken 40 times.
✓ Branch 1 taken 8600 times.
8640 if(b->type & BLOCK_INTRA){
483 40 pred_mv(s, &pmx, &pmy, 0, left, top, tr);
484 40 put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 1);
485 40 put_symbol(&s->c, &s->block_state[32], b->color[0]-pl , 1);
486
1/2
✓ Branch 0 taken 40 times.
✗ Branch 1 not taken.
40 if (s->nb_planes > 2) {
487 40 put_symbol(&s->c, &s->block_state[64], b->color[1]-pcb, 1);
488 40 put_symbol(&s->c, &s->block_state[96], b->color[2]-pcr, 1);
489 }
490 40 set_blocks(s, level, x, y, b->color[0], b->color[1], b->color[2], pmx, pmy, 0, BLOCK_INTRA);
491 }else{
492 8600 pred_mv(s, &pmx, &pmy, b->ref, left, top, tr);
493 8600 put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 0);
494
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8600 times.
8600 if(s->ref_frames > 1)
495 put_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], b->ref, 0);
496 8600 put_symbol(&s->c, &s->block_state[128 + 32*mx_context], b->mx - pmx, 1);
497 8600 put_symbol(&s->c, &s->block_state[128 + 32*my_context], b->my - pmy, 1);
498 8600 set_blocks(s, level, x, y, pl, pcb, pcr, b->mx, b->my, b->ref, 0);
499 }
500 }
501
502 56355 static int get_dc(SnowContext *s, int mb_x, int mb_y, int plane_index){
503 int i, x2, y2;
504 56355 Plane *p= &s->plane[plane_index];
505 56355 const int block_size = MB_SIZE >> s->block_max_depth;
506
2/2
✓ Branch 0 taken 37570 times.
✓ Branch 1 taken 18785 times.
56355 const int block_w = plane_index ? block_size>>s->chroma_h_shift : block_size;
507
2/2
✓ Branch 0 taken 37570 times.
✓ Branch 1 taken 18785 times.
56355 const int block_h = plane_index ? block_size>>s->chroma_v_shift : block_size;
508
2/2
✓ Branch 0 taken 37570 times.
✓ Branch 1 taken 18785 times.
56355 const uint8_t *obmc = plane_index ? ff_obmc_tab[s->block_max_depth+s->chroma_h_shift] : ff_obmc_tab[s->block_max_depth];
509
2/2
✓ Branch 0 taken 37570 times.
✓ Branch 1 taken 18785 times.
56355 const int obmc_stride= plane_index ? (2*block_size)>>s->chroma_h_shift : 2*block_size;
510 56355 const int ref_stride= s->current_picture->linesize[plane_index];
511 56355 uint8_t *src= s-> input_picture->data[plane_index];
512 56355 IDWTELEM *dst= (IDWTELEM*)s->m.sc.obmc_scratchpad + plane_index*block_size*block_size*4; //FIXME change to unsigned
513 56355 const int b_stride = s->b_width << s->block_max_depth;
514 56355 const int w= p->width;
515 56355 const int h= p->height;
516 56355 int index= mb_x + mb_y*b_stride;
517 56355 BlockNode *b= &s->block[index];
518 56355 BlockNode backup= *b;
519 56355 int ab=0;
520 56355 int aa=0;
521
522 av_assert2(s->chroma_h_shift == s->chroma_v_shift); //obmc stuff above
523
524 56355 b->type|= BLOCK_INTRA;
525 56355 b->color[plane_index]= 0;
526 56355 memset(dst, 0, obmc_stride*obmc_stride*sizeof(IDWTELEM));
527
528
2/2
✓ Branch 0 taken 225420 times.
✓ Branch 1 taken 56355 times.
281775 for(i=0; i<4; i++){
529 225420 int mb_x2= mb_x + (i &1) - 1;
530 225420 int mb_y2= mb_y + (i>>1) - 1;
531 225420 int x= block_w*mb_x2 + block_w/2;
532 225420 int y= block_h*mb_y2 + block_h/2;
533
534 225420 add_yblock(s, 0, NULL, dst + (i&1)*block_w + (i>>1)*obmc_stride*block_h, NULL, obmc,
535 x, y, block_w, block_h, w, h, obmc_stride, ref_stride, obmc_stride, mb_x2, mb_y2, 0, 0, plane_index);
536
537
2/2
✓ Branch 0 taken 2126720 times.
✓ Branch 1 taken 225420 times.
2352140 for(y2= FFMAX(y, 0); y2<FFMIN(h, y+block_h); y2++){
538
2/2
✓ Branch 0 taken 24128352 times.
✓ Branch 1 taken 2126720 times.
26255072 for(x2= FFMAX(x, 0); x2<FFMIN(w, x+block_w); x2++){
539 24128352 int index= x2-(block_w*mb_x - block_w/2) + (y2-(block_h*mb_y - block_h/2))*obmc_stride;
540 24128352 int obmc_v= obmc[index];
541 int d;
542
2/2
✓ Branch 0 taken 1813056 times.
✓ Branch 1 taken 22315296 times.
24128352 if(y<0) obmc_v += obmc[index + block_h*obmc_stride];
543
2/2
✓ Branch 0 taken 762912 times.
✓ Branch 1 taken 23365440 times.
24128352 if(x<0) obmc_v += obmc[index + block_w];
544
2/2
✓ Branch 0 taken 1342560 times.
✓ Branch 1 taken 22785792 times.
24128352 if(y+block_h>h) obmc_v += obmc[index - block_h*obmc_stride];
545
2/2
✓ Branch 0 taken 629376 times.
✓ Branch 1 taken 23498976 times.
24128352 if(x+block_w>w) obmc_v += obmc[index - block_w];
546 //FIXME precalculate this or simplify it somehow else
547
548 24128352 d = -dst[index] + (1<<(FRAC_BITS-1));
549 24128352 dst[index] = d;
550 24128352 ab += (src[x2 + y2*ref_stride] - (d>>FRAC_BITS)) * obmc_v;
551 24128352 aa += obmc_v * obmc_v; //FIXME precalculate this
552 }
553 }
554 }
555 56355 *b= backup;
556
557
2/2
✓ Branch 0 taken 56280 times.
✓ Branch 1 taken 75 times.
56355 return av_clip_uint8( ROUNDED_DIV(ab<<LOG2_OBMC_MAX, aa) ); //FIXME we should not need clipping
558 }
559
560 1304392 static inline int get_block_bits(SnowContext *s, int x, int y, int w){
561 1304392 const int b_stride = s->b_width << s->block_max_depth;
562 1304392 const int b_height = s->b_height<< s->block_max_depth;
563 1304392 int index= x + y*b_stride;
564 1304392 const BlockNode *b = &s->block[index];
565
2/2
✓ Branch 0 taken 1183544 times.
✓ Branch 1 taken 120848 times.
1304392 const BlockNode *left = x ? &s->block[index-1] : &null_block;
566
2/2
✓ Branch 0 taken 1138586 times.
✓ Branch 1 taken 165806 times.
1304392 const BlockNode *top = y ? &s->block[index-b_stride] : &null_block;
567
4/4
✓ Branch 0 taken 1138586 times.
✓ Branch 1 taken 165806 times.
✓ Branch 2 taken 1027679 times.
✓ Branch 3 taken 110907 times.
1304392 const BlockNode *tl = y && x ? &s->block[index-b_stride-1] : left;
568
4/4
✓ Branch 0 taken 1138586 times.
✓ Branch 1 taken 165806 times.
✓ Branch 2 taken 992035 times.
✓ Branch 3 taken 146551 times.
1304392 const BlockNode *tr = y && x+w<b_stride ? &s->block[index-b_stride+w] : tl;
569 int dmx, dmy;
570 // int mx_context= av_log2(2*FFABS(left->mx - top->mx));
571 // int my_context= av_log2(2*FFABS(left->my - top->my));
572
573
6/6
✓ Branch 0 taken 1265838 times.
✓ Branch 1 taken 38554 times.
✓ Branch 2 taken 1234136 times.
✓ Branch 3 taken 31702 times.
✓ Branch 4 taken 127259 times.
✓ Branch 5 taken 1106877 times.
1304392 if(x<0 || x>=b_stride || y>=b_height)
574 197515 return 0;
575 /*
576 1 0 0
577 01X 1-2 1
578 001XX 3-6 2-3
579 0001XXX 7-14 4-7
580 00001XXXX 15-30 8-15
581 */
582 //FIXME try accurate rate
583 //FIXME intra and inter predictors if surrounding blocks are not the same type
584
2/2
✓ Branch 0 taken 23255 times.
✓ Branch 1 taken 1083622 times.
1106877 if(b->type & BLOCK_INTRA){
585 23255 return 3+2*( av_log2(2*FFABS(left->color[0] - b->color[0]))
586 23255 + av_log2(2*FFABS(left->color[1] - b->color[1]))
587 23255 + av_log2(2*FFABS(left->color[2] - b->color[2])));
588 }else{
589 1083622 pred_mv(s, &dmx, &dmy, b->ref, left, top, tr);
590 1083622 dmx-= b->mx;
591 1083622 dmy-= b->my;
592 1083622 return 2*(1 + av_log2(2*FFABS(dmx)) //FIXME kill the 2* can be merged in lambda
593 1083622 + av_log2(2*FFABS(dmy))
594 1083622 + av_log2(2*b->ref));
595 }
596 }
597
598 316328 static int get_block_rd(SnowContext *s, int mb_x, int mb_y, int plane_index, uint8_t (*obmc_edged)[MB_SIZE * 2]){
599 316328 Plane *p= &s->plane[plane_index];
600 316328 const int block_size = MB_SIZE >> s->block_max_depth;
601
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 316328 times.
316328 const int block_w = plane_index ? block_size>>s->chroma_h_shift : block_size;
602
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 316328 times.
316328 const int block_h = plane_index ? block_size>>s->chroma_v_shift : block_size;
603
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 316328 times.
316328 const int obmc_stride= plane_index ? (2*block_size)>>s->chroma_h_shift : 2*block_size;
604 316328 const int ref_stride= s->current_picture->linesize[plane_index];
605 316328 uint8_t *dst= s->current_picture->data[plane_index];
606 316328 uint8_t *src= s-> input_picture->data[plane_index];
607 316328 IDWTELEM *pred= (IDWTELEM*)s->m.sc.obmc_scratchpad + plane_index*block_size*block_size*4;
608 316328 uint8_t *cur = s->scratchbuf;
609 316328 uint8_t *tmp = s->emu_edge_buffer;
610 316328 const int b_stride = s->b_width << s->block_max_depth;
611 316328 const int b_height = s->b_height<< s->block_max_depth;
612 316328 const int w= p->width;
613 316328 const int h= p->height;
614 int distortion;
615 316328 int rate= 0;
616 316328 const int penalty_factor= get_penalty_factor(s->lambda, s->lambda2, s->avctx->me_cmp);
617 316328 int sx= block_w*mb_x - block_w/2;
618 316328 int sy= block_h*mb_y - block_h/2;
619
2/2
✓ Branch 0 taken 38554 times.
✓ Branch 1 taken 277774 times.
316328 int x0= FFMAX(0,-sx);
620
2/2
✓ Branch 0 taken 82903 times.
✓ Branch 1 taken 233425 times.
316328 int y0= FFMAX(0,-sy);
621 316328 int x1= FFMIN(block_w*2, w-sx);
622 316328 int y1= FFMIN(block_h*2, h-sy);
623 int i,x,y;
624
625 av_assert2(s->chroma_h_shift == s->chroma_v_shift); //obmc and square assumtions below chckinhg only block_w
626
627 316328 ff_snow_pred_block(s, cur, tmp, ref_stride, sx, sy, block_w*2, block_h*2, &s->block[mb_x + mb_y*b_stride], plane_index, w, h);
628
629
2/2
✓ Branch 0 taken 8954624 times.
✓ Branch 1 taken 316328 times.
9270952 for(y=y0; y<y1; y++){
630 8954624 const uint8_t *obmc1= obmc_edged[y];
631 8954624 const IDWTELEM *pred1 = pred + y*obmc_stride;
632 8954624 uint8_t *cur1 = cur + y*ref_stride;
633 8954624 uint8_t *dst1 = dst + sx + (sy+y)*ref_stride;
634
2/2
✓ Branch 0 taken 270600576 times.
✓ Branch 1 taken 8954624 times.
279555200 for(x=x0; x<x1; x++){
635 #if FRAC_BITS >= LOG2_OBMC_MAX
636 int v = (cur1[x] * obmc1[x]) << (FRAC_BITS - LOG2_OBMC_MAX);
637 #else
638 270600576 int v = (cur1[x] * obmc1[x] + (1<<(LOG2_OBMC_MAX - FRAC_BITS-1))) >> (LOG2_OBMC_MAX - FRAC_BITS);
639 #endif
640 270600576 v = (v + pred1[x]) >> FRAC_BITS;
641
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 270600576 times.
270600576 if(v&(~255)) v= ~(v>>31);
642 270600576 dst1[x] = v;
643 }
644 }
645
646 /* copy the regions where obmc[] = (uint8_t)256 */
647
2/2
✓ Branch 0 taken 277774 times.
✓ Branch 1 taken 38554 times.
316328 if(LOG2_OBMC_MAX == 8
648
2/2
✓ Branch 0 taken 31702 times.
✓ Branch 1 taken 246072 times.
277774 && (mb_x == 0 || mb_x == b_stride-1)
649
4/4
✓ Branch 0 taken 51972 times.
✓ Branch 1 taken 18284 times.
✓ Branch 2 taken 13562 times.
✓ Branch 3 taken 38410 times.
70256 && (mb_y == 0 || mb_y == b_height-1)){
650
2/2
✓ Branch 0 taken 17372 times.
✓ Branch 1 taken 14474 times.
31846 if(mb_x == 0)
651 17372 x1 = block_w;
652 else
653 14474 x0 = block_w;
654
2/2
✓ Branch 0 taken 18284 times.
✓ Branch 1 taken 13562 times.
31846 if(mb_y == 0)
655 18284 y1 = block_h;
656 else
657 13562 y0 = block_h;
658
2/2
✓ Branch 0 taken 254768 times.
✓ Branch 1 taken 31846 times.
286614 for(y=y0; y<y1; y++)
659 254768 memcpy(dst + sx+x0 + (sy+y)*ref_stride, cur + x0 + y*ref_stride, x1-x0);
660 }
661
662
1/2
✓ Branch 0 taken 316328 times.
✗ Branch 1 not taken.
316328 if(block_w==16){
663 /* FIXME rearrange dsputil to fit 32x32 cmp functions */
664 /* FIXME check alignment of the cmp wavelet vs the encoding wavelet */
665 /* FIXME cmps overlap but do not cover the wavelet's whole support.
666 * So improving the score of one block is not strictly guaranteed
667 * to improve the score of the whole frame, thus iterative motion
668 * estimation does not always converge. */
669
1/2
✓ Branch 0 taken 316328 times.
✗ Branch 1 not taken.
316328 if(s->avctx->me_cmp == FF_CMP_W97)
670 316328 distortion = ff_w97_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
671 else if(s->avctx->me_cmp == FF_CMP_W53)
672 distortion = ff_w53_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
673 else{
674 distortion = 0;
675 for(i=0; i<4; i++){
676 int off = sx+16*(i&1) + (sy+16*(i>>1))*ref_stride;
677 distortion += s->mecc.me_cmp[0](&s->m, src + off, dst + off, ref_stride, 16);
678 }
679 }
680 }else{
681 av_assert2(block_w==8);
682 distortion = s->mecc.me_cmp[0](&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, block_w*2);
683 }
684
685
1/2
✓ Branch 0 taken 316328 times.
✗ Branch 1 not taken.
316328 if(plane_index==0){
686
2/2
✓ Branch 0 taken 1265312 times.
✓ Branch 1 taken 316328 times.
1581640 for(i=0; i<4; i++){
687 /* ..RRr
688 * .RXx.
689 * rxx..
690 */
691 1265312 rate += get_block_bits(s, mb_x + (i&1) - (i>>1), mb_y + (i>>1), 1);
692 }
693
2/2
✓ Branch 0 taken 39080 times.
✓ Branch 1 taken 277248 times.
316328 if(mb_x == b_stride-2)
694 39080 rate += get_block_bits(s, mb_x + 1, mb_y + 1, 1);
695 }
696 316328 return distortion + rate*penalty_factor;
697 }
698
699 static int get_4block_rd(SnowContext *s, int mb_x, int mb_y, int plane_index){
700 int i, y2;
701 Plane *p= &s->plane[plane_index];
702 const int block_size = MB_SIZE >> s->block_max_depth;
703 const int block_w = plane_index ? block_size>>s->chroma_h_shift : block_size;
704 const int block_h = plane_index ? block_size>>s->chroma_v_shift : block_size;
705 const uint8_t *obmc = plane_index ? ff_obmc_tab[s->block_max_depth+s->chroma_h_shift] : ff_obmc_tab[s->block_max_depth];
706 const int obmc_stride= plane_index ? (2*block_size)>>s->chroma_h_shift : 2*block_size;
707 const int ref_stride= s->current_picture->linesize[plane_index];
708 uint8_t *dst= s->current_picture->data[plane_index];
709 uint8_t *src= s-> input_picture->data[plane_index];
710 //FIXME zero_dst is const but add_yblock changes dst if add is 0 (this is never the case for dst=zero_dst
711 // const has only been removed from zero_dst to suppress a warning
712 static IDWTELEM zero_dst[4096]; //FIXME
713 const int b_stride = s->b_width << s->block_max_depth;
714 const int w= p->width;
715 const int h= p->height;
716 int distortion= 0;
717 int rate= 0;
718 const int penalty_factor= get_penalty_factor(s->lambda, s->lambda2, s->avctx->me_cmp);
719
720 av_assert2(s->chroma_h_shift == s->chroma_v_shift); //obmc and square assumtions below
721
722 for(i=0; i<9; i++){
723 int mb_x2= mb_x + (i%3) - 1;
724 int mb_y2= mb_y + (i/3) - 1;
725 int x= block_w*mb_x2 + block_w/2;
726 int y= block_h*mb_y2 + block_h/2;
727
728 add_yblock(s, 0, NULL, zero_dst, dst, obmc,
729 x, y, block_w, block_h, w, h, /*dst_stride*/0, ref_stride, obmc_stride, mb_x2, mb_y2, 1, 1, plane_index);
730
731 //FIXME find a cleaner/simpler way to skip the outside stuff
732 for(y2= y; y2<0; y2++)
733 memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, block_w);
734 for(y2= h; y2<y+block_h; y2++)
735 memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, block_w);
736 if(x<0){
737 for(y2= y; y2<y+block_h; y2++)
738 memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, -x);
739 }
740 if(x+block_w > w){
741 for(y2= y; y2<y+block_h; y2++)
742 memcpy(dst + w + y2*ref_stride, src + w + y2*ref_stride, x+block_w - w);
743 }
744
745 av_assert1(block_w== 8 || block_w==16);
746 distortion += s->mecc.me_cmp[block_w==8](&s->m, src + x + y*ref_stride, dst + x + y*ref_stride, ref_stride, block_h);
747 }
748
749 if(plane_index==0){
750 BlockNode *b= &s->block[mb_x+mb_y*b_stride];
751 int merged= same_block(b,b+1) && same_block(b,b+b_stride) && same_block(b,b+b_stride+1);
752
753 /* ..RRRr
754 * .RXXx.
755 * .RXXx.
756 * rxxx.
757 */
758 if(merged)
759 rate = get_block_bits(s, mb_x, mb_y, 2);
760 for(i=merged?4:0; i<9; i++){
761 static const int dxy[9][2] = {{0,0},{1,0},{0,1},{1,1},{2,0},{2,1},{-1,2},{0,2},{1,2}};
762 rate += get_block_bits(s, mb_x + dxy[i][0], mb_y + dxy[i][1], 1);
763 }
764 }
765 return distortion + rate*penalty_factor;
766 }
767
768 21600 static int encode_subband_c0run(SnowContext *s, SubBand *b, const IDWTELEM *src, const IDWTELEM *parent, int stride, int orientation){
769 21600 const int w= b->width;
770 21600 const int h= b->height;
771 int x, y;
772
773 if(1){
774 21600 int run=0;
775 21600 int *runs = s->run_buffer;
776 21600 int run_index=0;
777 int max_index;
778
779
2/2
✓ Branch 0 taken 366600 times.
✓ Branch 1 taken 21600 times.
388200 for(y=0; y<h; y++){
780
2/2
✓ Branch 0 taken 26496000 times.
✓ Branch 1 taken 366600 times.
26862600 for(x=0; x<w; x++){
781 26496000 int v, p=0;
782 26496000 int /*ll=0, */l=0, lt=0, t=0, rt=0;
783 26496000 v= src[x + y*stride];
784
785
2/2
✓ Branch 0 taken 25960200 times.
✓ Branch 1 taken 535800 times.
26496000 if(y){
786 25960200 t= src[x + (y-1)*stride];
787
2/2
✓ Branch 0 taken 25615200 times.
✓ Branch 1 taken 345000 times.
25960200 if(x){
788 25615200 lt= src[x - 1 + (y-1)*stride];
789 }
790
2/2
✓ Branch 0 taken 25615200 times.
✓ Branch 1 taken 345000 times.
25960200 if(x + 1 < w){
791 25615200 rt= src[x + 1 + (y-1)*stride];
792 }
793 }
794
2/2
✓ Branch 0 taken 26129400 times.
✓ Branch 1 taken 366600 times.
26496000 if(x){
795 26129400 l= src[x - 1 + y*stride];
796 /*if(x > 1){
797 if(orientation==1) ll= src[y + (x-2)*stride];
798 else ll= src[x - 2 + y*stride];
799 }*/
800 }
801
2/2
✓ Branch 0 taken 26392500 times.
✓ Branch 1 taken 103500 times.
26496000 if(parent){
802 26392500 int px= x>>1;
803 26392500 int py= y>>1;
804
4/4
✓ Branch 0 taken 26387100 times.
✓ Branch 1 taken 5400 times.
✓ Branch 2 taken 26380800 times.
✓ Branch 3 taken 6300 times.
26392500 if(px<b->parent->width && py<b->parent->height)
805 26380800 p= parent[px + py*2*stride];
806 }
807
2/2
✓ Branch 0 taken 2820927 times.
✓ Branch 1 taken 23675073 times.
26496000 if(!(/*ll|*/l|lt|t|rt|p)){
808
2/2
✓ Branch 0 taken 291329 times.
✓ Branch 1 taken 2529598 times.
2820927 if(v){
809 291329 runs[run_index++]= run;
810 291329 run=0;
811 }else{
812 2529598 run++;
813 }
814 }
815 }
816 }
817 21600 max_index= run_index;
818 21600 runs[run_index++]= run;
819 21600 run_index=0;
820 21600 run= runs[run_index++];
821
822 21600 put_symbol2(&s->c, b->state[30], max_index, 0);
823
2/2
✓ Branch 0 taken 16916 times.
✓ Branch 1 taken 4684 times.
21600 if(run_index <= max_index)
824 16916 put_symbol2(&s->c, b->state[1], run, 3);
825
826
2/2
✓ Branch 0 taken 366600 times.
✓ Branch 1 taken 21600 times.
388200 for(y=0; y<h; y++){
827
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 366600 times.
366600 if(s->c.bytestream_end - s->c.bytestream < w*40){
828 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
829 return AVERROR(ENOMEM);
830 }
831
2/2
✓ Branch 0 taken 26496000 times.
✓ Branch 1 taken 366600 times.
26862600 for(x=0; x<w; x++){
832 26496000 int v, p=0;
833 26496000 int /*ll=0, */l=0, lt=0, t=0, rt=0;
834 26496000 v= src[x + y*stride];
835
836
2/2
✓ Branch 0 taken 25960200 times.
✓ Branch 1 taken 535800 times.
26496000 if(y){
837 25960200 t= src[x + (y-1)*stride];
838
2/2
✓ Branch 0 taken 25615200 times.
✓ Branch 1 taken 345000 times.
25960200 if(x){
839 25615200 lt= src[x - 1 + (y-1)*stride];
840 }
841
2/2
✓ Branch 0 taken 25615200 times.
✓ Branch 1 taken 345000 times.
25960200 if(x + 1 < w){
842 25615200 rt= src[x + 1 + (y-1)*stride];
843 }
844 }
845
2/2
✓ Branch 0 taken 26129400 times.
✓ Branch 1 taken 366600 times.
26496000 if(x){
846 26129400 l= src[x - 1 + y*stride];
847 /*if(x > 1){
848 if(orientation==1) ll= src[y + (x-2)*stride];
849 else ll= src[x - 2 + y*stride];
850 }*/
851 }
852
2/2
✓ Branch 0 taken 26392500 times.
✓ Branch 1 taken 103500 times.
26496000 if(parent){
853 26392500 int px= x>>1;
854 26392500 int py= y>>1;
855
4/4
✓ Branch 0 taken 26387100 times.
✓ Branch 1 taken 5400 times.
✓ Branch 2 taken 26380800 times.
✓ Branch 3 taken 6300 times.
26392500 if(px<b->parent->width && py<b->parent->height)
856 26380800 p= parent[px + py*2*stride];
857 }
858
2/2
✓ Branch 0 taken 23675073 times.
✓ Branch 1 taken 2820927 times.
26496000 if(/*ll|*/l|lt|t|rt|p){
859 23675073 int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p));
860
861 23675073 put_rac(&s->c, &b->state[0][context], !!v);
862 }else{
863
2/2
✓ Branch 0 taken 291329 times.
✓ Branch 1 taken 2529598 times.
2820927 if(!run){
864 291329 run= runs[run_index++];
865
866
2/2
✓ Branch 0 taken 274413 times.
✓ Branch 1 taken 16916 times.
291329 if(run_index <= max_index)
867 274413 put_symbol2(&s->c, b->state[1], run, 3);
868 av_assert2(v);
869 }else{
870 2529598 run--;
871 av_assert2(!v);
872 }
873 }
874
2/2
✓ Branch 0 taken 15993468 times.
✓ Branch 1 taken 10502532 times.
26496000 if(v){
875 15993468 int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p));
876 15993468 int l2= 2*FFABS(l) + (l<0);
877 15993468 int t2= 2*FFABS(t) + (t<0);
878
879 15993468 put_symbol2(&s->c, b->state[context + 2], FFABS(v)-1, context-4);
880 15993468 put_rac(&s->c, &b->state[0][16 + 1 + 3 + ff_quant3bA[l2&0xFF] + 3*ff_quant3bA[t2&0xFF]], v<0);
881 }
882 }
883 }
884 }
885 21600 return 0;
886 }
887
888 21600 static int encode_subband(SnowContext *s, SubBand *b, const IDWTELEM *src, const IDWTELEM *parent, int stride, int orientation){
889 // encode_subband_qtree(s, b, src, parent, stride, orientation);
890 // encode_subband_z0run(s, b, src, parent, stride, orientation);
891 21600 return encode_subband_c0run(s, b, src, parent, stride, orientation);
892 // encode_subband_dzr(s, b, src, parent, stride, orientation);
893 }
894
895 435268 static av_always_inline int check_block(SnowContext *s, int mb_x, int mb_y, int p[3], int intra, uint8_t (*obmc_edged)[MB_SIZE * 2], int *best_rd){
896 435268 const int b_stride= s->b_width << s->block_max_depth;
897 435268 BlockNode *block= &s->block[mb_x + mb_y * b_stride];
898 435268 BlockNode backup= *block;
899 unsigned value;
900 int rd, index;
901
902 av_assert2(mb_x>=0 && mb_y>=0);
903 av_assert2(mb_x<b_stride);
904
905
2/2
✓ Branch 0 taken 18870 times.
✓ Branch 1 taken 416398 times.
435268 if(intra){
906 18870 block->color[0] = p[0];
907 18870 block->color[1] = p[1];
908 18870 block->color[2] = p[2];
909 18870 block->type |= BLOCK_INTRA;
910 }else{
911 416398 index= (p[0] + 31*p[1]) & (ME_CACHE_SIZE-1);
912 416398 value= s->me_cache_generation + (p[0]>>10) + (p[1]<<6) + (block->ref<<12);
913
2/2
✓ Branch 0 taken 118940 times.
✓ Branch 1 taken 297458 times.
416398 if(s->me_cache[index] == value)
914 118940 return 0;
915 297458 s->me_cache[index]= value;
916
917 297458 block->mx= p[0];
918 297458 block->my= p[1];
919 297458 block->type &= ~BLOCK_INTRA;
920 }
921
922 316328 rd= get_block_rd(s, mb_x, mb_y, 0, obmc_edged) + s->intra_penalty * !!intra;
923
924 //FIXME chroma
925
2/2
✓ Branch 0 taken 65411 times.
✓ Branch 1 taken 250917 times.
316328 if(rd < *best_rd){
926 65411 *best_rd= rd;
927 65411 return 1;
928 }else{
929 250917 *block= backup;
930 250917 return 0;
931 }
932 }
933
934 /* special case for int[2] args we discard afterwards,
935 * fixes compilation problem with gcc 2.95 */
936 416398 static av_always_inline int check_block_inter(SnowContext *s, int mb_x, int mb_y, int p0, int p1, uint8_t (*obmc_edged)[MB_SIZE * 2], int *best_rd){
937 416398 int p[2] = {p0, p1};
938 416398 return check_block(s, mb_x, mb_y, p, 0, obmc_edged, best_rd);
939 }
940
941 static av_always_inline int check_4block_inter(SnowContext *s, int mb_x, int mb_y, int p0, int p1, int ref, int *best_rd){
942 const int b_stride= s->b_width << s->block_max_depth;
943 BlockNode *block= &s->block[mb_x + mb_y * b_stride];
944 BlockNode backup[4];
945 unsigned value;
946 int rd, index;
947
948 /* We don't initialize backup[] during variable declaration, because
949 * that fails to compile on MSVC: "cannot convert from 'BlockNode' to
950 * 'int16_t'". */
951 backup[0] = block[0];
952 backup[1] = block[1];
953 backup[2] = block[b_stride];
954 backup[3] = block[b_stride + 1];
955
956 av_assert2(mb_x>=0 && mb_y>=0);
957 av_assert2(mb_x<b_stride);
958 av_assert2(((mb_x|mb_y)&1) == 0);
959
960 index= (p0 + 31*p1) & (ME_CACHE_SIZE-1);
961 value= s->me_cache_generation + (p0>>10) + (p1<<6) + (block->ref<<12);
962 if(s->me_cache[index] == value)
963 return 0;
964 s->me_cache[index]= value;
965
966 block->mx= p0;
967 block->my= p1;
968 block->ref= ref;
969 block->type &= ~BLOCK_INTRA;
970 block[1]= block[b_stride]= block[b_stride+1]= *block;
971
972 rd= get_4block_rd(s, mb_x, mb_y, 0);
973
974 //FIXME chroma
975 if(rd < *best_rd){
976 *best_rd= rd;
977 return 1;
978 }else{
979 block[0]= backup[0];
980 block[1]= backup[1];
981 block[b_stride]= backup[2];
982 block[b_stride+1]= backup[3];
983 return 0;
984 }
985 }
986
987 270 static void iterative_me(SnowContext *s){
988 int pass, mb_x, mb_y;
989 270 const int b_width = s->b_width << s->block_max_depth;
990 270 const int b_height= s->b_height << s->block_max_depth;
991 270 const int b_stride= b_width;
992 int color[3];
993
994 {
995 270 RangeCoder r = s->c;
996 uint8_t state[sizeof(s->block_state)];
997 270 memcpy(state, s->block_state, sizeof(s->block_state));
998
2/2
✓ Branch 0 taken 1080 times.
✓ Branch 1 taken 270 times.
1350 for(mb_y= 0; mb_y<s->b_height; mb_y++)
999
2/2
✓ Branch 0 taken 8640 times.
✓ Branch 1 taken 1080 times.
9720 for(mb_x= 0; mb_x<s->b_width; mb_x++)
1000 8640 encode_q_branch(s, 0, mb_x, mb_y);
1001 270 s->c = r;
1002 270 memcpy(s->block_state, state, sizeof(s->block_state));
1003 }
1004
1005
1/2
✓ Branch 0 taken 964 times.
✗ Branch 1 not taken.
964 for(pass=0; pass<25; pass++){
1006 964 int change= 0;
1007
1008
2/2
✓ Branch 0 taken 3856 times.
✓ Branch 1 taken 964 times.
4820 for(mb_y= 0; mb_y<b_height; mb_y++){
1009
2/2
✓ Branch 0 taken 30848 times.
✓ Branch 1 taken 3856 times.
34704 for(mb_x= 0; mb_x<b_width; mb_x++){
1010 int dia_change, i, j, ref;
1011 30848 int best_rd= INT_MAX, ref_rd;
1012 BlockNode backup, ref_b;
1013 30848 const int index= mb_x + mb_y * b_stride;
1014 30848 BlockNode *block= &s->block[index];
1015
2/2
✓ Branch 0 taken 23136 times.
✓ Branch 1 taken 7712 times.
30848 BlockNode *tb = mb_y ? &s->block[index-b_stride ] : NULL;
1016
2/2
✓ Branch 0 taken 26992 times.
✓ Branch 1 taken 3856 times.
30848 BlockNode *lb = mb_x ? &s->block[index -1] : NULL;
1017
2/2
✓ Branch 0 taken 26992 times.
✓ Branch 1 taken 3856 times.
30848 BlockNode *rb = mb_x+1<b_width ? &s->block[index +1] : NULL;
1018
2/2
✓ Branch 0 taken 23136 times.
✓ Branch 1 taken 7712 times.
30848 BlockNode *bb = mb_y+1<b_height ? &s->block[index+b_stride ] : NULL;
1019
4/4
✓ Branch 0 taken 26992 times.
✓ Branch 1 taken 3856 times.
✓ Branch 2 taken 20244 times.
✓ Branch 3 taken 6748 times.
30848 BlockNode *tlb= mb_x && mb_y ? &s->block[index-b_stride-1] : NULL;
1020
4/4
✓ Branch 0 taken 26992 times.
✓ Branch 1 taken 3856 times.
✓ Branch 2 taken 20244 times.
✓ Branch 3 taken 6748 times.
30848 BlockNode *trb= mb_x+1<b_width && mb_y ? &s->block[index-b_stride+1] : NULL;
1021
4/4
✓ Branch 0 taken 26992 times.
✓ Branch 1 taken 3856 times.
✓ Branch 2 taken 20244 times.
✓ Branch 3 taken 6748 times.
30848 BlockNode *blb= mb_x && mb_y+1<b_height ? &s->block[index+b_stride-1] : NULL;
1022
4/4
✓ Branch 0 taken 26992 times.
✓ Branch 1 taken 3856 times.
✓ Branch 2 taken 20244 times.
✓ Branch 3 taken 6748 times.
30848 BlockNode *brb= mb_x+1<b_width && mb_y+1<b_height ? &s->block[index+b_stride+1] : NULL;
1023 30848 const int b_w= (MB_SIZE >> s->block_max_depth);
1024 uint8_t obmc_edged[MB_SIZE * 2][MB_SIZE * 2];
1025
1026
4/4
✓ Branch 0 taken 22208 times.
✓ Branch 1 taken 8640 times.
✓ Branch 2 taken 12063 times.
✓ Branch 3 taken 10145 times.
30848 if(pass && (block->type & BLOCK_OPT))
1027 12063 continue;
1028 18785 block->type |= BLOCK_OPT;
1029
1030 18785 backup= *block;
1031
1032
2/2
✓ Branch 0 taken 21 times.
✓ Branch 1 taken 18764 times.
18785 if(!s->me_cache_generation)
1033 21 memset(s->me_cache, 0, sizeof(s->me_cache));
1034 18785 s->me_cache_generation += 1<<22;
1035
1036 //FIXME precalculate
1037 {
1038 int x, y;
1039
2/2
✓ Branch 0 taken 601120 times.
✓ Branch 1 taken 18785 times.
619905 for (y = 0; y < b_w * 2; y++)
1040 601120 memcpy(obmc_edged[y], ff_obmc_tab[s->block_max_depth] + y * b_w * 2, b_w * 2);
1041
2/2
✓ Branch 0 taken 2241 times.
✓ Branch 1 taken 16544 times.
18785 if(mb_x==0)
1042
2/2
✓ Branch 0 taken 71712 times.
✓ Branch 1 taken 2241 times.
73953 for(y=0; y<b_w*2; y++)
1043 71712 memset(obmc_edged[y], obmc_edged[y][0] + obmc_edged[y][b_w-1], b_w);
1044
2/2
✓ Branch 0 taken 1847 times.
✓ Branch 1 taken 16938 times.
18785 if(mb_x==b_stride-1)
1045
2/2
✓ Branch 0 taken 59104 times.
✓ Branch 1 taken 1847 times.
60951 for(y=0; y<b_w*2; y++)
1046 59104 memset(obmc_edged[y]+b_w, obmc_edged[y][b_w] + obmc_edged[y][b_w*2-1], b_w);
1047
2/2
✓ Branch 0 taken 4990 times.
✓ Branch 1 taken 13795 times.
18785 if(mb_y==0){
1048
2/2
✓ Branch 0 taken 159680 times.
✓ Branch 1 taken 4990 times.
164670 for(x=0; x<b_w*2; x++)
1049 159680 obmc_edged[0][x] += obmc_edged[b_w-1][x];
1050
2/2
✓ Branch 0 taken 74850 times.
✓ Branch 1 taken 4990 times.
79840 for(y=1; y<b_w; y++)
1051 74850 memcpy(obmc_edged[y], obmc_edged[0], b_w*2);
1052 }
1053
2/2
✓ Branch 0 taken 3690 times.
✓ Branch 1 taken 15095 times.
18785 if(mb_y==b_height-1){
1054
2/2
✓ Branch 0 taken 118080 times.
✓ Branch 1 taken 3690 times.
121770 for(x=0; x<b_w*2; x++)
1055 118080 obmc_edged[b_w*2-1][x] += obmc_edged[b_w][x];
1056
2/2
✓ Branch 0 taken 55350 times.
✓ Branch 1 taken 3690 times.
59040 for(y=b_w; y<b_w*2-1; y++)
1057 55350 memcpy(obmc_edged[y], obmc_edged[b_w*2-1], b_w*2);
1058 }
1059 }
1060
1061 //skip stuff outside the picture
1062
8/8
✓ Branch 0 taken 16544 times.
✓ Branch 1 taken 2241 times.
✓ Branch 2 taken 12138 times.
✓ Branch 3 taken 4406 times.
✓ Branch 4 taken 10781 times.
✓ Branch 5 taken 1357 times.
✓ Branch 6 taken 2915 times.
✓ Branch 7 taken 7866 times.
18785 if(mb_x==0 || mb_y==0 || mb_x==b_width-1 || mb_y==b_height-1){
1063 10919 uint8_t *src= s-> input_picture->data[0];
1064 10919 uint8_t *dst= s->current_picture->data[0];
1065 10919 const int stride= s->current_picture->linesize[0];
1066 10919 const int block_w= MB_SIZE >> s->block_max_depth;
1067 10919 const int block_h= MB_SIZE >> s->block_max_depth;
1068 10919 const int sx= block_w*mb_x - block_w/2;
1069 10919 const int sy= block_h*mb_y - block_h/2;
1070 10919 const int w= s->plane[0].width;
1071 10919 const int h= s->plane[0].height;
1072 int y;
1073
1074
2/2
✓ Branch 0 taken 39920 times.
✓ Branch 1 taken 10919 times.
50839 for(y=sy; y<0; y++)
1075 39920 memcpy(dst + sx + y*stride, src + sx + y*stride, block_w*2);
1076
2/2
✓ Branch 0 taken 29520 times.
✓ Branch 1 taken 10919 times.
40439 for(y=h; y<sy+block_h*2; y++)
1077 29520 memcpy(dst + sx + y*stride, src + sx + y*stride, block_w*2);
1078
2/2
✓ Branch 0 taken 2241 times.
✓ Branch 1 taken 8678 times.
10919 if(sx<0){
1079
2/2
✓ Branch 0 taken 71712 times.
✓ Branch 1 taken 2241 times.
73953 for(y=sy; y<sy+block_h*2; y++)
1080 71712 memcpy(dst + sx + y*stride, src + sx + y*stride, -sx);
1081 }
1082
2/2
✓ Branch 0 taken 1847 times.
✓ Branch 1 taken 9072 times.
10919 if(sx+block_w*2 > w){
1083
2/2
✓ Branch 0 taken 59104 times.
✓ Branch 1 taken 1847 times.
60951 for(y=sy; y<sy+block_h*2; y++)
1084 59104 memcpy(dst + w + y*stride, src + w + y*stride, sx+block_w*2 - w);
1085 }
1086 }
1087
1088 // intra(black) = neighbors' contribution to the current block
1089
2/2
✓ Branch 0 taken 56355 times.
✓ Branch 1 taken 18785 times.
75140 for(i=0; i < s->nb_planes; i++)
1090 56355 color[i]= get_dc(s, mb_x, mb_y, i);
1091
1092 // get previous score (cannot be cached due to OBMC)
1093
4/4
✓ Branch 0 taken 10145 times.
✓ Branch 1 taken 8640 times.
✓ Branch 2 taken 85 times.
✓ Branch 3 taken 10060 times.
18870 if(pass > 0 && (block->type&BLOCK_INTRA)){
1094 85 int color0[3]= {block->color[0], block->color[1], block->color[2]};
1095 85 check_block(s, mb_x, mb_y, color0, 1, obmc_edged, &best_rd);
1096 }else
1097 18700 check_block_inter(s, mb_x, mb_y, block->mx, block->my, obmc_edged, &best_rd);
1098
1099 18785 ref_b= *block;
1100 18785 ref_rd= best_rd;
1101
2/2
✓ Branch 0 taken 18785 times.
✓ Branch 1 taken 18785 times.
37570 for(ref=0; ref < s->ref_frames; ref++){
1102 18785 int16_t (*mvr)[2]= &s->ref_mvs[ref][index];
1103
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18785 times.
18785 if(s->ref_scores[ref][index] > s->ref_scores[ref_b.ref][index]*3/2) //FIXME tune threshold
1104 continue;
1105 18785 block->ref= ref;
1106 18785 best_rd= INT_MAX;
1107
1108 18785 check_block_inter(s, mb_x, mb_y, mvr[0][0], mvr[0][1], obmc_edged, &best_rd);
1109 18785 check_block_inter(s, mb_x, mb_y, 0, 0, obmc_edged, &best_rd);
1110
2/2
✓ Branch 0 taken 13795 times.
✓ Branch 1 taken 4990 times.
18785 if(tb)
1111 13795 check_block_inter(s, mb_x, mb_y, mvr[-b_stride][0], mvr[-b_stride][1], obmc_edged, &best_rd);
1112
2/2
✓ Branch 0 taken 16544 times.
✓ Branch 1 taken 2241 times.
18785 if(lb)
1113 16544 check_block_inter(s, mb_x, mb_y, mvr[-1][0], mvr[-1][1], obmc_edged, &best_rd);
1114
2/2
✓ Branch 0 taken 16938 times.
✓ Branch 1 taken 1847 times.
18785 if(rb)
1115 16938 check_block_inter(s, mb_x, mb_y, mvr[1][0], mvr[1][1], obmc_edged, &best_rd);
1116
2/2
✓ Branch 0 taken 15095 times.
✓ Branch 1 taken 3690 times.
18785 if(bb)
1117 15095 check_block_inter(s, mb_x, mb_y, mvr[b_stride][0], mvr[b_stride][1], obmc_edged, &best_rd);
1118
1119 /* fullpel ME */
1120 //FIXME avoid subpel interpolation / round to nearest integer
1121 do{
1122 19209 int newx = block->mx;
1123 19209 int newy = block->my;
1124
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 19209 times.
19209 int dia_size = s->iterative_dia_size ? s->iterative_dia_size : FFMAX(s->avctx->dia_size, 1);
1125 19209 dia_change=0;
1126
2/2
✓ Branch 0 taken 38418 times.
✓ Branch 1 taken 19209 times.
57627 for(i=0; i < dia_size; i++){
1127
2/2
✓ Branch 0 taken 19209 times.
✓ Branch 1 taken 38418 times.
57627 for(j=0; j<i; j++){
1128 19209 dia_change |= check_block_inter(s, mb_x, mb_y, newx+4*(i-j), newy+(4*j), obmc_edged, &best_rd);
1129 19209 dia_change |= check_block_inter(s, mb_x, mb_y, newx-4*(i-j), newy-(4*j), obmc_edged, &best_rd);
1130 19209 dia_change |= check_block_inter(s, mb_x, mb_y, newx-(4*j), newy+4*(i-j), obmc_edged, &best_rd);
1131 19209 dia_change |= check_block_inter(s, mb_x, mb_y, newx+(4*j), newy-4*(i-j), obmc_edged, &best_rd);
1132 }
1133 }
1134
2/2
✓ Branch 0 taken 424 times.
✓ Branch 1 taken 18785 times.
19209 }while(dia_change);
1135 /* subpel ME */
1136 do{
1137 static const int square[8][2]= {{+1, 0},{-1, 0},{ 0,+1},{ 0,-1},{+1,+1},{-1,-1},{+1,-1},{-1,+1},};
1138 27615 dia_change=0;
1139
2/2
✓ Branch 0 taken 220920 times.
✓ Branch 1 taken 27615 times.
248535 for(i=0; i<8; i++)
1140 220920 dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+square[i][0], block->my+square[i][1], obmc_edged, &best_rd);
1141
2/2
✓ Branch 0 taken 8830 times.
✓ Branch 1 taken 18785 times.
27615 }while(dia_change);
1142 //FIXME or try the standard 2 pass qpel or similar
1143
1144 18785 mvr[0][0]= block->mx;
1145 18785 mvr[0][1]= block->my;
1146
2/2
✓ Branch 0 taken 4553 times.
✓ Branch 1 taken 14232 times.
18785 if(ref_rd > best_rd){
1147 4553 ref_rd= best_rd;
1148 4553 ref_b= *block;
1149 }
1150 }
1151 18785 best_rd= ref_rd;
1152 18785 *block= ref_b;
1153 18785 check_block(s, mb_x, mb_y, color, 1, obmc_edged, &best_rd);
1154 //FIXME RD style color selection
1155
2/2
✓ Branch 1 taken 4573 times.
✓ Branch 2 taken 14212 times.
18785 if(!same_block(block, &backup)){
1156
2/2
✓ Branch 0 taken 3343 times.
✓ Branch 1 taken 1230 times.
4573 if(tb ) tb ->type &= ~BLOCK_OPT;
1157
2/2
✓ Branch 0 taken 4048 times.
✓ Branch 1 taken 525 times.
4573 if(lb ) lb ->type &= ~BLOCK_OPT;
1158
2/2
✓ Branch 0 taken 4041 times.
✓ Branch 1 taken 532 times.
4573 if(rb ) rb ->type &= ~BLOCK_OPT;
1159
2/2
✓ Branch 0 taken 3568 times.
✓ Branch 1 taken 1005 times.
4573 if(bb ) bb ->type &= ~BLOCK_OPT;
1160
2/2
✓ Branch 0 taken 2936 times.
✓ Branch 1 taken 1637 times.
4573 if(tlb) tlb->type &= ~BLOCK_OPT;
1161
2/2
✓ Branch 0 taken 2964 times.
✓ Branch 1 taken 1609 times.
4573 if(trb) trb->type &= ~BLOCK_OPT;
1162
2/2
✓ Branch 0 taken 3164 times.
✓ Branch 1 taken 1409 times.
4573 if(blb) blb->type &= ~BLOCK_OPT;
1163
2/2
✓ Branch 0 taken 3156 times.
✓ Branch 1 taken 1417 times.
4573 if(brb) brb->type &= ~BLOCK_OPT;
1164 4573 change ++;
1165 }
1166 }
1167 }
1168 964 av_log(s->avctx, AV_LOG_DEBUG, "pass:%d changed:%d\n", pass, change);
1169
2/2
✓ Branch 0 taken 270 times.
✓ Branch 1 taken 694 times.
964 if(!change)
1170 270 break;
1171 }
1172
1173
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 270 times.
270 if(s->block_max_depth == 1){
1174 int change= 0;
1175 for(mb_y= 0; mb_y<b_height; mb_y+=2){
1176 for(mb_x= 0; mb_x<b_width; mb_x+=2){
1177 int i;
1178 int best_rd, init_rd;
1179 const int index= mb_x + mb_y * b_stride;
1180 BlockNode *b[4];
1181
1182 b[0]= &s->block[index];
1183 b[1]= b[0]+1;
1184 b[2]= b[0]+b_stride;
1185 b[3]= b[2]+1;
1186 if(same_block(b[0], b[1]) &&
1187 same_block(b[0], b[2]) &&
1188 same_block(b[0], b[3]))
1189 continue;
1190
1191 if(!s->me_cache_generation)
1192 memset(s->me_cache, 0, sizeof(s->me_cache));
1193 s->me_cache_generation += 1<<22;
1194
1195 init_rd= best_rd= get_4block_rd(s, mb_x, mb_y, 0);
1196
1197 //FIXME more multiref search?
1198 check_4block_inter(s, mb_x, mb_y,
1199 (b[0]->mx + b[1]->mx + b[2]->mx + b[3]->mx + 2) >> 2,
1200 (b[0]->my + b[1]->my + b[2]->my + b[3]->my + 2) >> 2, 0, &best_rd);
1201
1202 for(i=0; i<4; i++)
1203 if(!(b[i]->type&BLOCK_INTRA))
1204 check_4block_inter(s, mb_x, mb_y, b[i]->mx, b[i]->my, b[i]->ref, &best_rd);
1205
1206 if(init_rd != best_rd)
1207 change++;
1208 }
1209 }
1210 av_log(s->avctx, AV_LOG_ERROR, "pass:4mv changed:%d\n", change*4);
1211 }
1212 270 }
1213
1214 450 static void encode_blocks(SnowContext *s, int search){
1215 int x, y;
1216 450 int w= s->b_width;
1217 450 int h= s->b_height;
1218
1219
5/6
✓ Branch 0 taken 300 times.
✓ Branch 1 taken 150 times.
✓ Branch 2 taken 270 times.
✓ Branch 3 taken 30 times.
✓ Branch 4 taken 270 times.
✗ Branch 5 not taken.
450 if(s->motion_est == FF_ME_ITER && !s->keyframe && search)
1220 270 iterative_me(s);
1221
1222
2/2
✓ Branch 0 taken 3900 times.
✓ Branch 1 taken 450 times.
4350 for(y=0; y<h; y++){
1223
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3900 times.
3900 if(s->c.bytestream_end - s->c.bytestream < w*MB_SIZE*MB_SIZE*3){ //FIXME nicer limit
1224 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
1225 return;
1226 }
1227
2/2
✓ Branch 0 taken 69000 times.
✓ Branch 1 taken 3900 times.
72900 for(x=0; x<w; x++){
1228
3/4
✓ Branch 0 taken 59400 times.
✓ Branch 1 taken 9600 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 59400 times.
69000 if(s->motion_est == FF_ME_ITER || !search)
1229 9600 encode_q_branch2(s, 0, x, y);
1230 else
1231 59400 encode_q_branch (s, 0, x, y);
1232 }
1233 }
1234 }
1235
1236 21600 static void quantize(SnowContext *s, SubBand *b, IDWTELEM *dst, DWTELEM *src, int stride, int bias){
1237 21600 const int w= b->width;
1238 21600 const int h= b->height;
1239 21600 const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
1240 21600 const int qmul= ff_qexp[qlog&(QROOT-1)]<<((qlog>>QSHIFT) + ENCODER_EXTRA_BITS);
1241 int x,y, thres1, thres2;
1242
1243
2/2
✓ Branch 0 taken 7200 times.
✓ Branch 1 taken 14400 times.
21600 if(s->qlog == LOSSLESS_QLOG){
1244
2/2
✓ Branch 0 taken 253800 times.
✓ Branch 1 taken 7200 times.
261000 for(y=0; y<h; y++)
1245
2/2
✓ Branch 0 taken 22809600 times.
✓ Branch 1 taken 253800 times.
23063400 for(x=0; x<w; x++)
1246 22809600 dst[x + y*stride]= src[x + y*stride];
1247 7200 return;
1248 }
1249
1250
2/2
✓ Branch 0 taken 1440 times.
✓ Branch 1 taken 12960 times.
14400 bias= bias ? 0 : (3*qmul)>>3;
1251 14400 thres1= ((qmul - bias)>>QEXPSHIFT) - 1;
1252 14400 thres2= 2*thres1;
1253
1254
2/2
✓ Branch 0 taken 12960 times.
✓ Branch 1 taken 1440 times.
14400 if(!bias){
1255
2/2
✓ Branch 0 taken 101520 times.
✓ Branch 1 taken 12960 times.
114480 for(y=0; y<h; y++){
1256
2/2
✓ Branch 0 taken 3317760 times.
✓ Branch 1 taken 101520 times.
3419280 for(x=0; x<w; x++){
1257 3317760 int i= src[x + y*stride];
1258
1259
2/2
✓ Branch 0 taken 550125 times.
✓ Branch 1 taken 2767635 times.
3317760 if((unsigned)(i+thres1) > thres2){
1260
2/2
✓ Branch 0 taken 275359 times.
✓ Branch 1 taken 274766 times.
550125 if(i>=0){
1261 275359 i<<= QEXPSHIFT;
1262 275359 i/= qmul; //FIXME optimize
1263 275359 dst[x + y*stride]= i;
1264 }else{
1265 274766 i= -i;
1266 274766 i<<= QEXPSHIFT;
1267 274766 i/= qmul; //FIXME optimize
1268 274766 dst[x + y*stride]= -i;
1269 }
1270 }else
1271 2767635 dst[x + y*stride]= 0;
1272 }
1273 }
1274 }else{
1275
2/2
✓ Branch 0 taken 11280 times.
✓ Branch 1 taken 1440 times.
12720 for(y=0; y<h; y++){
1276
2/2
✓ Branch 0 taken 368640 times.
✓ Branch 1 taken 11280 times.
379920 for(x=0; x<w; x++){
1277 368640 int i= src[x + y*stride];
1278
1279
2/2
✓ Branch 0 taken 202458 times.
✓ Branch 1 taken 166182 times.
368640 if((unsigned)(i+thres1) > thres2){
1280
2/2
✓ Branch 0 taken 101688 times.
✓ Branch 1 taken 100770 times.
202458 if(i>=0){
1281 101688 i<<= QEXPSHIFT;
1282 101688 i= (i + bias) / qmul; //FIXME optimize
1283 101688 dst[x + y*stride]= i;
1284 }else{
1285 100770 i= -i;
1286 100770 i<<= QEXPSHIFT;
1287 100770 i= (i + bias) / qmul; //FIXME optimize
1288 100770 dst[x + y*stride]= -i;
1289 }
1290 }else
1291 166182 dst[x + y*stride]= 0;
1292 }
1293 }
1294 }
1295 }
1296
1297 21600 static void dequantize(SnowContext *s, SubBand *b, IDWTELEM *src, int stride){
1298 21600 const int w= b->width;
1299 21600 const int h= b->height;
1300 21600 const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
1301 21600 const int qmul= ff_qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
1302 21600 const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
1303 int x,y;
1304
1305
2/2
✓ Branch 0 taken 7200 times.
✓ Branch 1 taken 14400 times.
21600 if(s->qlog == LOSSLESS_QLOG) return;
1306
1307
2/2
✓ Branch 0 taken 112800 times.
✓ Branch 1 taken 14400 times.
127200 for(y=0; y<h; y++){
1308
2/2
✓ Branch 0 taken 3686400 times.
✓ Branch 1 taken 112800 times.
3799200 for(x=0; x<w; x++){
1309 3686400 int i= src[x + y*stride];
1310
2/2
✓ Branch 0 taken 375486 times.
✓ Branch 1 taken 3310914 times.
3686400 if(i<0){
1311 375486 src[x + y*stride]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
1312
2/2
✓ Branch 0 taken 377019 times.
✓ Branch 1 taken 2933895 times.
3310914 }else if(i>0){
1313 377019 src[x + y*stride]= (( i*qmul + qadd)>>(QEXPSHIFT));
1314 }
1315 }
1316 }
1317 }
1318
1319 1350 static void decorrelate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median){
1320 1350 const int w= b->width;
1321 1350 const int h= b->height;
1322 int x,y;
1323
1324
2/2
✓ Branch 0 taken 4050 times.
✓ Branch 1 taken 1350 times.
5400 for(y=h-1; y>=0; y--){
1325
2/2
✓ Branch 0 taken 27450 times.
✓ Branch 1 taken 4050 times.
31500 for(x=w-1; x>=0; x--){
1326 27450 int i= x + y*stride;
1327
1328
2/2
✓ Branch 0 taken 23400 times.
✓ Branch 1 taken 4050 times.
27450 if(x){
1329
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23400 times.
23400 if(use_median){
1330 if(y && x+1<w) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]);
1331 else src[i] -= src[i - 1];
1332 }else{
1333
2/2
✓ Branch 0 taken 18900 times.
✓ Branch 1 taken 4500 times.
23400 if(y) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - 1] + src[i - stride] - src[i - 1 - stride]);
1334 4500 else src[i] -= src[i - 1];
1335 }
1336 }else{
1337
2/2
✓ Branch 0 taken 2700 times.
✓ Branch 1 taken 1350 times.
4050 if(y) src[i] -= src[i - stride];
1338 }
1339 }
1340 }
1341 1350 }
1342
1343 1350 static void correlate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median){
1344 1350 const int w= b->width;
1345 1350 const int h= b->height;
1346 int x,y;
1347
1348
2/2
✓ Branch 0 taken 4050 times.
✓ Branch 1 taken 1350 times.
5400 for(y=0; y<h; y++){
1349
2/2
✓ Branch 0 taken 27450 times.
✓ Branch 1 taken 4050 times.
31500 for(x=0; x<w; x++){
1350 27450 int i= x + y*stride;
1351
1352
2/2
✓ Branch 0 taken 23400 times.
✓ Branch 1 taken 4050 times.
27450 if(x){
1353
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23400 times.
23400 if(use_median){
1354 if(y && x+1<w) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]);
1355 else src[i] += src[i - 1];
1356 }else{
1357
2/2
✓ Branch 0 taken 18900 times.
✓ Branch 1 taken 4500 times.
23400 if(y) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - 1] + src[i - stride] - src[i - 1 - stride]);
1358 4500 else src[i] += src[i - 1];
1359 }
1360 }else{
1361
2/2
✓ Branch 0 taken 2700 times.
✓ Branch 1 taken 1350 times.
4050 if(y) src[i] += src[i - stride];
1362 }
1363 }
1364 }
1365 1350 }
1366
1367 45 static void encode_qlogs(SnowContext *s){
1368 int plane_index, level, orientation;
1369
1370
2/2
✓ Branch 0 taken 90 times.
✓ Branch 1 taken 45 times.
135 for(plane_index=0; plane_index<FFMIN(s->nb_planes, 2); plane_index++){
1371
2/2
✓ Branch 0 taken 450 times.
✓ Branch 1 taken 90 times.
540 for(level=0; level<s->spatial_decomposition_count; level++){
1372
2/2
✓ Branch 0 taken 1440 times.
✓ Branch 1 taken 450 times.
1890 for(orientation=level ? 1:0; orientation<4; orientation++){
1373
2/2
✓ Branch 0 taken 450 times.
✓ Branch 1 taken 990 times.
1440 if(orientation==2) continue;
1374 990 put_symbol(&s->c, s->header_state, s->plane[plane_index].band[level][orientation].qlog, 1);
1375 }
1376 }
1377 }
1378 45 }
1379
1380 450 static void encode_header(SnowContext *s){
1381 int plane_index, i;
1382 uint8_t kstate[32];
1383
1384 450 memset(kstate, MID_STATE, sizeof(kstate));
1385
1386 450 put_rac(&s->c, kstate, s->keyframe);
1387
3/4
✓ Branch 0 taken 405 times.
✓ Branch 1 taken 45 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 405 times.
450 if(s->keyframe || s->always_reset){
1388 45 ff_snow_reset_contexts(s);
1389 45 s->last_spatial_decomposition_type=
1390 45 s->last_qlog=
1391 45 s->last_qbias=
1392 45 s->last_mv_scale=
1393 45 s->last_block_max_depth= 0;
1394
2/2
✓ Branch 0 taken 90 times.
✓ Branch 1 taken 45 times.
135 for(plane_index=0; plane_index<2; plane_index++){
1395 90 Plane *p= &s->plane[plane_index];
1396 90 p->last_htaps=0;
1397 90 p->last_diag_mc=0;
1398 90 memset(p->last_hcoeff, 0, sizeof(p->last_hcoeff));
1399 }
1400 }
1401
2/2
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 405 times.
450 if(s->keyframe){
1402 45 put_symbol(&s->c, s->header_state, s->version, 0);
1403 45 put_rac(&s->c, s->header_state, s->always_reset);
1404 45 put_symbol(&s->c, s->header_state, s->temporal_decomposition_type, 0);
1405 45 put_symbol(&s->c, s->header_state, s->temporal_decomposition_count, 0);
1406 45 put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
1407 45 put_symbol(&s->c, s->header_state, s->colorspace_type, 0);
1408
1/2
✓ Branch 0 taken 45 times.
✗ Branch 1 not taken.
45 if (s->nb_planes > 2) {
1409 45 put_symbol(&s->c, s->header_state, s->chroma_h_shift, 0);
1410 45 put_symbol(&s->c, s->header_state, s->chroma_v_shift, 0);
1411 }
1412 45 put_rac(&s->c, s->header_state, s->spatial_scalability);
1413 // put_rac(&s->c, s->header_state, s->rate_scalability);
1414 45 put_symbol(&s->c, s->header_state, s->max_ref_frames-1, 0);
1415
1416 45 encode_qlogs(s);
1417 }
1418
1419
2/2
✓ Branch 0 taken 405 times.
✓ Branch 1 taken 45 times.
450 if(!s->keyframe){
1420 405 int update_mc=0;
1421
2/2
✓ Branch 0 taken 810 times.
✓ Branch 1 taken 405 times.
1215 for(plane_index=0; plane_index<FFMIN(s->nb_planes, 2); plane_index++){
1422 810 Plane *p= &s->plane[plane_index];
1423 810 update_mc |= p->last_htaps != p->htaps;
1424 810 update_mc |= p->last_diag_mc != p->diag_mc;
1425 810 update_mc |= !!memcmp(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
1426 }
1427 405 put_rac(&s->c, s->header_state, update_mc);
1428
2/2
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 360 times.
405 if(update_mc){
1429
2/2
✓ Branch 0 taken 90 times.
✓ Branch 1 taken 45 times.
135 for(plane_index=0; plane_index<FFMIN(s->nb_planes, 2); plane_index++){
1430 90 Plane *p= &s->plane[plane_index];
1431 90 put_rac(&s->c, s->header_state, p->diag_mc);
1432 90 put_symbol(&s->c, s->header_state, p->htaps/2-1, 0);
1433
2/2
✓ Branch 0 taken 270 times.
✓ Branch 1 taken 90 times.
360 for(i= p->htaps/2; i; i--)
1434 270 put_symbol(&s->c, s->header_state, FFABS(p->hcoeff[i]), 0);
1435 }
1436 }
1437
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 405 times.
405 if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
1438 put_rac(&s->c, s->header_state, 1);
1439 put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
1440 encode_qlogs(s);
1441 }else
1442 405 put_rac(&s->c, s->header_state, 0);
1443 }
1444
1445 450 put_symbol(&s->c, s->header_state, s->spatial_decomposition_type - s->last_spatial_decomposition_type, 1);
1446 450 put_symbol(&s->c, s->header_state, s->qlog - s->last_qlog , 1);
1447 450 put_symbol(&s->c, s->header_state, s->mv_scale - s->last_mv_scale, 1);
1448 450 put_symbol(&s->c, s->header_state, s->qbias - s->last_qbias , 1);
1449 450 put_symbol(&s->c, s->header_state, s->block_max_depth - s->last_block_max_depth, 1);
1450
1451 450 }
1452
1453 450 static void update_last_header_values(SnowContext *s){
1454 int plane_index;
1455
1456
2/2
✓ Branch 0 taken 405 times.
✓ Branch 1 taken 45 times.
450 if(!s->keyframe){
1457
2/2
✓ Branch 0 taken 810 times.
✓ Branch 1 taken 405 times.
1215 for(plane_index=0; plane_index<2; plane_index++){
1458 810 Plane *p= &s->plane[plane_index];
1459 810 p->last_diag_mc= p->diag_mc;
1460 810 p->last_htaps = p->htaps;
1461 810 memcpy(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
1462 }
1463 }
1464
1465 450 s->last_spatial_decomposition_type = s->spatial_decomposition_type;
1466 450 s->last_qlog = s->qlog;
1467 450 s->last_qbias = s->qbias;
1468 450 s->last_mv_scale = s->mv_scale;
1469 450 s->last_block_max_depth = s->block_max_depth;
1470 450 s->last_spatial_decomposition_count = s->spatial_decomposition_count;
1471 450 }
1472
1473 300 static int qscale2qlog(int qscale){
1474 300 return lrint(QROOT*log2(qscale / (float)FF_QP2LAMBDA))
1475 300 + 61*QROOT/8; ///< 64 > 60
1476 }
1477
1478 static int ratecontrol_1pass(SnowContext *s, AVFrame *pict)
1479 {
1480 /* Estimate the frame's complexity as a sum of weighted dwt coefficients.
1481 * FIXME we know exact mv bits at this point,
1482 * but ratecontrol isn't set up to include them. */
1483 uint32_t coef_sum= 0;
1484 int level, orientation, delta_qlog;
1485
1486 for(level=0; level<s->spatial_decomposition_count; level++){
1487 for(orientation=level ? 1 : 0; orientation<4; orientation++){
1488 SubBand *b= &s->plane[0].band[level][orientation];
1489 IDWTELEM *buf= b->ibuf;
1490 const int w= b->width;
1491 const int h= b->height;
1492 const int stride= b->stride;
1493 const int qlog= av_clip(2*QROOT + b->qlog, 0, QROOT*16);
1494 const int qmul= ff_qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
1495 const int qdiv= (1<<16)/qmul;
1496 int x, y;
1497 //FIXME this is ugly
1498 for(y=0; y<h; y++)
1499 for(x=0; x<w; x++)
1500 buf[x+y*stride]= b->buf[x+y*stride];
1501 if(orientation==0)
1502 decorrelate(s, b, buf, stride, 1, 0);
1503 for(y=0; y<h; y++)
1504 for(x=0; x<w; x++)
1505 coef_sum+= abs(buf[x+y*stride]) * qdiv >> 16;
1506 }
1507 }
1508
1509 /* ugly, ratecontrol just takes a sqrt again */
1510 av_assert0(coef_sum < INT_MAX);
1511 coef_sum = (uint64_t)coef_sum * coef_sum >> 16;
1512
1513 if(pict->pict_type == AV_PICTURE_TYPE_I){
1514 s->m.current_picture.mb_var_sum= coef_sum;
1515 s->m.current_picture.mc_mb_var_sum= 0;
1516 }else{
1517 s->m.current_picture.mc_mb_var_sum= coef_sum;
1518 s->m.current_picture.mb_var_sum= 0;
1519 }
1520
1521 pict->quality= ff_rate_estimate_qscale(&s->m, 1);
1522 if (pict->quality < 0)
1523 return INT_MIN;
1524 s->lambda= pict->quality * 3/2;
1525 delta_qlog= qscale2qlog(pict->quality) - s->qlog;
1526 s->qlog+= delta_qlog;
1527 return delta_qlog;
1528 }
1529
1530 27 static void calculate_visual_weight(SnowContext *s, Plane *p){
1531 27 int width = p->width;
1532 27 int height= p->height;
1533 int level, orientation, x, y;
1534
1535
2/2
✓ Branch 0 taken 135 times.
✓ Branch 1 taken 27 times.
162 for(level=0; level<s->spatial_decomposition_count; level++){
1536
2/2
✓ Branch 0 taken 432 times.
✓ Branch 1 taken 135 times.
567 for(orientation=level ? 1 : 0; orientation<4; orientation++){
1537 432 SubBand *b= &p->band[level][orientation];
1538 432 IDWTELEM *ibuf= b->ibuf;
1539 432 int64_t error=0;
1540
1541 432 memset(s->spatial_idwt_buffer, 0, sizeof(*s->spatial_idwt_buffer)*width*height);
1542 432 ibuf[b->width/2 + b->height/2*b->stride]= 256*16;
1543 432 ff_spatial_idwt(s->spatial_idwt_buffer, s->temp_idwt_buffer, width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
1544
2/2
✓ Branch 0 taken 39936 times.
✓ Branch 1 taken 432 times.
40368 for(y=0; y<height; y++){
1545
2/2
✓ Branch 0 taken 8478720 times.
✓ Branch 1 taken 39936 times.
8518656 for(x=0; x<width; x++){
1546 8478720 int64_t d= s->spatial_idwt_buffer[x + y*width]*16;
1547 8478720 error += d*d;
1548 }
1549 }
1550
1551 432 b->qlog= (int)(QROOT * log2(352256.0/sqrt(error)) + 0.5);
1552 }
1553 }
1554 27 }
1555
1556 450 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1557 const AVFrame *pict, int *got_packet)
1558 {
1559 450 SnowContext *s = avctx->priv_data;
1560 450 RangeCoder * const c= &s->c;
1561 AVFrame *pic;
1562 450 const int width= s->avctx->width;
1563 450 const int height= s->avctx->height;
1564 int level, orientation, plane_index, i, y, ret;
1565 uint8_t rc_header_bak[sizeof(s->header_state)];
1566 uint8_t rc_block_bak[sizeof(s->block_state)];
1567
1568
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 450 times.
450 if ((ret = ff_alloc_packet(avctx, pkt, s->b_width*s->b_height*MB_SIZE*MB_SIZE*3 + AV_INPUT_BUFFER_MIN_SIZE)) < 0)
1569 return ret;
1570
1571 450 ff_init_range_encoder(c, pkt->data, pkt->size);
1572 450 ff_build_rac_states(c, (1LL<<32)/20, 256-8);
1573
1574
2/2
✓ Branch 0 taken 1350 times.
✓ Branch 1 taken 450 times.
1800 for(i=0; i < s->nb_planes; i++){
1575
2/2
✓ Branch 0 taken 900 times.
✓ Branch 1 taken 450 times.
1350 int hshift= i ? s->chroma_h_shift : 0;
1576
2/2
✓ Branch 0 taken 900 times.
✓ Branch 1 taken 450 times.
1350 int vshift= i ? s->chroma_v_shift : 0;
1577
2/2
✓ Branch 0 taken 124800 times.
✓ Branch 1 taken 1350 times.
126150 for(y=0; y<AV_CEIL_RSHIFT(height, vshift); y++)
1578 124800 memcpy(&s->input_picture->data[i][y * s->input_picture->linesize[i]],
1579 124800 &pict->data[i][y * pict->linesize[i]],
1580 124800 AV_CEIL_RSHIFT(width, hshift));
1581 1350 s->mpvencdsp.draw_edges(s->input_picture->data[i], s->input_picture->linesize[i],
1582 1350 AV_CEIL_RSHIFT(width, hshift), AV_CEIL_RSHIFT(height, vshift),
1583 EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
1584 EDGE_TOP | EDGE_BOTTOM);
1585
1586 }
1587 450 emms_c();
1588 450 pic = s->input_picture;
1589 450 pic->pict_type = pict->pict_type;
1590 450 pic->quality = pict->quality;
1591
1592 450 s->m.picture_number= avctx->frame_number;
1593
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
450 if(avctx->flags&AV_CODEC_FLAG_PASS2){
1594 s->m.pict_type = pic->pict_type = s->m.rc_context.entry[avctx->frame_number].new_pict_type;
1595 s->keyframe = pic->pict_type == AV_PICTURE_TYPE_I;
1596 if(!(avctx->flags&AV_CODEC_FLAG_QSCALE)) {
1597 pic->quality = ff_rate_estimate_qscale(&s->m, 0);
1598 if (pic->quality < 0)
1599 return -1;
1600 }
1601 }else{
1602
3/4
✓ Branch 0 taken 450 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 45 times.
✓ Branch 3 taken 405 times.
450 s->keyframe= avctx->gop_size==0 || avctx->frame_number % avctx->gop_size == 0;
1603
2/2
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 405 times.
450 s->m.pict_type = pic->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
1604 }
1605
1606
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
450 if(s->pass1_rc && avctx->frame_number == 0)
1607 pic->quality = 2*FF_QP2LAMBDA;
1608
2/2
✓ Branch 0 taken 300 times.
✓ Branch 1 taken 150 times.
450 if (pic->quality) {
1609 300 s->qlog = qscale2qlog(pic->quality);
1610 300 s->lambda = pic->quality * 3/2;
1611 }
1612
5/6
✓ Branch 0 taken 303 times.
✓ Branch 1 taken 147 times.
✓ Branch 2 taken 3 times.
✓ Branch 3 taken 300 times.
✓ Branch 4 taken 3 times.
✗ Branch 5 not taken.
450 if (s->qlog < 0 || (!pic->quality && (avctx->flags & AV_CODEC_FLAG_QSCALE))) {
1613 150 s->qlog= LOSSLESS_QLOG;
1614 150 s->lambda = 0;
1615 }//else keep previous frame's qlog until after motion estimation
1616
1617
2/2
✓ Branch 0 taken 441 times.
✓ Branch 1 taken 9 times.
450 if (s->current_picture->data[0]) {
1618 441 int w = s->avctx->width;
1619 441 int h = s->avctx->height;
1620
1621 441 s->mpvencdsp.draw_edges(s->current_picture->data[0],
1622 441 s->current_picture->linesize[0], w , h ,
1623 EDGE_WIDTH , EDGE_WIDTH , EDGE_TOP | EDGE_BOTTOM);
1624
1/2
✓ Branch 0 taken 441 times.
✗ Branch 1 not taken.
441 if (s->current_picture->data[2]) {
1625 441 s->mpvencdsp.draw_edges(s->current_picture->data[1],
1626 441 s->current_picture->linesize[1], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
1627 441 EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
1628 441 s->mpvencdsp.draw_edges(s->current_picture->data[2],
1629 441 s->current_picture->linesize[2], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
1630 441 EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
1631 }
1632 441 emms_c();
1633 }
1634
1635 450 ff_snow_frame_start(s);
1636
1637 450 s->m.current_picture_ptr= &s->m.current_picture;
1638 450 s->m.current_picture.f = s->current_picture;
1639 450 s->m.current_picture.f->pts = pict->pts;
1640
2/2
✓ Branch 0 taken 405 times.
✓ Branch 1 taken 45 times.
450 if(pic->pict_type == AV_PICTURE_TYPE_P){
1641 405 int block_width = (width +15)>>4;
1642 405 int block_height= (height+15)>>4;
1643 405 int stride= s->current_picture->linesize[0];
1644
1645
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 405 times.
405 av_assert0(s->current_picture->data[0]);
1646
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 405 times.
405 av_assert0(s->last_picture[0]->data[0]);
1647
1648 405 s->m.avctx= s->avctx;
1649 405 s->m. last_picture.f = s->last_picture[0];
1650 405 s->m. new_picture.f = s->input_picture;
1651 405 s->m. last_picture_ptr= &s->m. last_picture;
1652 405 s->m.linesize = stride;
1653 405 s->m.uvlinesize= s->current_picture->linesize[1];
1654 405 s->m.width = width;
1655 405 s->m.height= height;
1656 405 s->m.mb_width = block_width;
1657 405 s->m.mb_height= block_height;
1658 405 s->m.mb_stride= s->m.mb_width+1;
1659 405 s->m.b8_stride= 2*s->m.mb_width+1;
1660 405 s->m.f_code=1;
1661 405 s->m.pict_type = pic->pict_type;
1662 405 s->m.motion_est= s->motion_est;
1663 405 s->m.me.scene_change_score=0;
1664 405 s->m.me.dia_size = avctx->dia_size;
1665 405 s->m.quarter_sample= (s->avctx->flags & AV_CODEC_FLAG_QPEL)!=0;
1666 405 s->m.out_format= FMT_H263;
1667 405 s->m.unrestricted_mv= 1;
1668
1669 405 s->m.lambda = s->lambda;
1670 405 s->m.qscale= (s->m.lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
1671 405 s->lambda2= s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
1672
1673 405 s->m.mecc= s->mecc; //move
1674 405 s->m.qdsp= s->qdsp; //move
1675 405 s->m.hdsp = s->hdsp;
1676 405 ff_init_me(&s->m);
1677 405 s->hdsp = s->m.hdsp;
1678 405 s->mecc= s->m.mecc;
1679 }
1680
1681
1/2
✓ Branch 0 taken 450 times.
✗ Branch 1 not taken.
450 if(s->pass1_rc){
1682 memcpy(rc_header_bak, s->header_state, sizeof(s->header_state));
1683 memcpy(rc_block_bak, s->block_state, sizeof(s->block_state));
1684 }
1685
1686 450 redo_frame:
1687
1688 450 s->spatial_decomposition_count= 5;
1689
1690 450 while( !(width >>(s->chroma_h_shift + s->spatial_decomposition_count))
1691
2/4
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 450 times.
450 || !(height>>(s->chroma_v_shift + s->spatial_decomposition_count)))
1692 s->spatial_decomposition_count--;
1693
1694
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
450 if (s->spatial_decomposition_count <= 0) {
1695 av_log(avctx, AV_LOG_ERROR, "Resolution too low\n");
1696 return AVERROR(EINVAL);
1697 }
1698
1699 450 s->m.pict_type = pic->pict_type;
1700
2/2
✓ Branch 0 taken 405 times.
✓ Branch 1 taken 45 times.
450 s->qbias = pic->pict_type == AV_PICTURE_TYPE_P ? 2 : 0;
1701
1702 450 ff_snow_common_init_after_header(avctx);
1703
1704
2/2
✓ Branch 0 taken 9 times.
✓ Branch 1 taken 441 times.
450 if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
1705
2/2
✓ Branch 0 taken 27 times.
✓ Branch 1 taken 9 times.
36 for(plane_index=0; plane_index < s->nb_planes; plane_index++){
1706 27 calculate_visual_weight(s, &s->plane[plane_index]);
1707 }
1708 }
1709
1710 450 encode_header(s);
1711 450 s->m.misc_bits = 8*(s->c.bytestream - s->c.bytestream_start);
1712 450 encode_blocks(s, 1);
1713 450 s->m.mv_bits = 8*(s->c.bytestream - s->c.bytestream_start) - s->m.misc_bits;
1714
1715
2/2
✓ Branch 0 taken 1350 times.
✓ Branch 1 taken 450 times.
1800 for(plane_index=0; plane_index < s->nb_planes; plane_index++){
1716 1350 Plane *p= &s->plane[plane_index];
1717 1350 int w= p->width;
1718 1350 int h= p->height;
1719 int x, y;
1720 // int bits= put_bits_count(&s->c.pb);
1721
1722
1/2
✓ Branch 0 taken 1350 times.
✗ Branch 1 not taken.
1350 if (!s->memc_only) {
1723 //FIXME optimize
1724
1/2
✓ Branch 0 taken 1350 times.
✗ Branch 1 not taken.
1350 if(pict->data[plane_index]) //FIXME gray hack
1725
2/2
✓ Branch 0 taken 124800 times.
✓ Branch 1 taken 1350 times.
126150 for(y=0; y<h; y++){
1726
2/2
✓ Branch 0 taken 26496000 times.
✓ Branch 1 taken 124800 times.
26620800 for(x=0; x<w; x++){
1727 26496000 s->spatial_idwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<FRAC_BITS;
1728 }
1729 }
1730 1350 predict_plane(s, s->spatial_idwt_buffer, plane_index, 0);
1731
1732
2/2
✓ Branch 0 taken 450 times.
✓ Branch 1 taken 900 times.
1350 if( plane_index==0
1733
2/2
✓ Branch 0 taken 405 times.
✓ Branch 1 taken 45 times.
450 && pic->pict_type == AV_PICTURE_TYPE_P
1734
1/2
✓ Branch 0 taken 405 times.
✗ Branch 1 not taken.
405 && !(avctx->flags&AV_CODEC_FLAG_PASS2)
1735
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 405 times.
405 && s->m.me.scene_change_score > s->scenechange_threshold){
1736 ff_init_range_encoder(c, pkt->data, pkt->size);
1737 ff_build_rac_states(c, (1LL<<32)/20, 256-8);
1738 pic->pict_type= AV_PICTURE_TYPE_I;
1739 s->keyframe=1;
1740 s->current_picture->key_frame=1;
1741 goto redo_frame;
1742 }
1743
1744
2/2
✓ Branch 0 taken 450 times.
✓ Branch 1 taken 900 times.
1350 if(s->qlog == LOSSLESS_QLOG){
1745
2/2
✓ Branch 0 taken 86400 times.
✓ Branch 1 taken 450 times.
86850 for(y=0; y<h; y++){
1746
2/2
✓ Branch 0 taken 22809600 times.
✓ Branch 1 taken 86400 times.
22896000 for(x=0; x<w; x++){
1747 22809600 s->spatial_dwt_buffer[y*w + x]= (s->spatial_idwt_buffer[y*w + x] + (1<<(FRAC_BITS-1))-1)>>FRAC_BITS;
1748 }
1749 }
1750 }else{
1751
2/2
✓ Branch 0 taken 38400 times.
✓ Branch 1 taken 900 times.
39300 for(y=0; y<h; y++){
1752
2/2
✓ Branch 0 taken 3686400 times.
✓ Branch 1 taken 38400 times.
3724800 for(x=0; x<w; x++){
1753 3686400 s->spatial_dwt_buffer[y*w + x]= s->spatial_idwt_buffer[y*w + x] * (1 << ENCODER_EXTRA_BITS);
1754 }
1755 }
1756 }
1757
1758 1350 ff_spatial_dwt(s->spatial_dwt_buffer, s->temp_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
1759
1760
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 1350 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
1350 if(s->pass1_rc && plane_index==0){
1761 int delta_qlog = ratecontrol_1pass(s, pic);
1762 if (delta_qlog <= INT_MIN)
1763 return -1;
1764 if(delta_qlog){
1765 //reordering qlog in the bitstream would eliminate this reset
1766 ff_init_range_encoder(c, pkt->data, pkt->size);
1767 memcpy(s->header_state, rc_header_bak, sizeof(s->header_state));
1768 memcpy(s->block_state, rc_block_bak, sizeof(s->block_state));
1769 encode_header(s);
1770 encode_blocks(s, 0);
1771 }
1772 }
1773
1774
2/2
✓ Branch 0 taken 6750 times.
✓ Branch 1 taken 1350 times.
8100 for(level=0; level<s->spatial_decomposition_count; level++){
1775
2/2
✓ Branch 0 taken 21600 times.
✓ Branch 1 taken 6750 times.
28350 for(orientation=level ? 1 : 0; orientation<4; orientation++){
1776 21600 SubBand *b= &p->band[level][orientation];
1777
1778 21600 quantize(s, b, b->ibuf, b->buf, b->stride, s->qbias);
1779
2/2
✓ Branch 0 taken 1350 times.
✓ Branch 1 taken 20250 times.
21600 if(orientation==0)
1780 1350 decorrelate(s, b, b->ibuf, b->stride, pic->pict_type == AV_PICTURE_TYPE_P, 0);
1781
1/2
✓ Branch 0 taken 21600 times.
✗ Branch 1 not taken.
21600 if (!s->no_bitstream)
1782
2/2
✓ Branch 0 taken 16200 times.
✓ Branch 1 taken 5400 times.
21600 encode_subband(s, b, b->ibuf, b->parent ? b->parent->ibuf : NULL, b->stride, orientation);
1783
3/4
✓ Branch 0 taken 16200 times.
✓ Branch 1 taken 5400 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 16200 times.
21600 av_assert0(b->parent==NULL || b->parent->stride == b->stride*2);
1784
2/2
✓ Branch 0 taken 1350 times.
✓ Branch 1 taken 20250 times.
21600 if(orientation==0)
1785 1350 correlate(s, b, b->ibuf, b->stride, 1, 0);
1786 }
1787 }
1788
1789
2/2
✓ Branch 0 taken 6750 times.
✓ Branch 1 taken 1350 times.
8100 for(level=0; level<s->spatial_decomposition_count; level++){
1790
2/2
✓ Branch 0 taken 21600 times.
✓ Branch 1 taken 6750 times.
28350 for(orientation=level ? 1 : 0; orientation<4; orientation++){
1791 21600 SubBand *b= &p->band[level][orientation];
1792
1793 21600 dequantize(s, b, b->ibuf, b->stride);
1794 }
1795 }
1796
1797 1350 ff_spatial_idwt(s->spatial_idwt_buffer, s->temp_idwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
1798
2/2
✓ Branch 0 taken 450 times.
✓ Branch 1 taken 900 times.
1350 if(s->qlog == LOSSLESS_QLOG){
1799
2/2
✓ Branch 0 taken 86400 times.
✓ Branch 1 taken 450 times.
86850 for(y=0; y<h; y++){
1800
2/2
✓ Branch 0 taken 22809600 times.
✓ Branch 1 taken 86400 times.
22896000 for(x=0; x<w; x++){
1801 22809600 s->spatial_idwt_buffer[y*w + x]<<=FRAC_BITS;
1802 }
1803 }
1804 }
1805 1350 predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
1806 }else{
1807 //ME/MC only
1808 if(pic->pict_type == AV_PICTURE_TYPE_I){
1809 for(y=0; y<h; y++){
1810 for(x=0; x<w; x++){
1811 s->current_picture->data[plane_index][y*s->current_picture->linesize[plane_index] + x]=
1812 pict->data[plane_index][y*pict->linesize[plane_index] + x];
1813 }
1814 }
1815 }else{
1816 memset(s->spatial_idwt_buffer, 0, sizeof(IDWTELEM)*w*h);
1817 predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
1818 }
1819 }
1820
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1350 times.
1350 if(s->avctx->flags&AV_CODEC_FLAG_PSNR){
1821 int64_t error= 0;
1822
1823 if(pict->data[plane_index]) //FIXME gray hack
1824 for(y=0; y<h; y++){
1825 for(x=0; x<w; x++){
1826 int d= s->current_picture->data[plane_index][y*s->current_picture->linesize[plane_index] + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x];
1827 error += d*d;
1828 }
1829 }
1830 s->avctx->error[plane_index] += error;
1831 s->encoding_error[plane_index] = error;
1832 }
1833
1834 }
1835 450 emms_c();
1836
1837 450 update_last_header_values(s);
1838
1839 450 ff_snow_release_buffer(avctx);
1840
1841 450 s->current_picture->coded_picture_number = avctx->frame_number;
1842 450 s->current_picture->pict_type = pic->pict_type;
1843 450 s->current_picture->quality = pic->quality;
1844 450 s->m.frame_bits = 8*(s->c.bytestream - s->c.bytestream_start);
1845 450 s->m.p_tex_bits = s->m.frame_bits - s->m.misc_bits - s->m.mv_bits;
1846 450 s->m.current_picture.f->display_picture_number =
1847 450 s->m.current_picture.f->coded_picture_number = avctx->frame_number;
1848 450 s->m.current_picture.f->quality = pic->quality;
1849 450 s->m.total_bits += 8*(s->c.bytestream - s->c.bytestream_start);
1850
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
450 if(s->pass1_rc)
1851 if (ff_rate_estimate_qscale(&s->m, 0) < 0)
1852 return -1;
1853
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
450 if(avctx->flags&AV_CODEC_FLAG_PASS1)
1854 ff_write_pass1_stats(&s->m);
1855 450 s->m.last_pict_type = s->m.pict_type;
1856
1857 450 emms_c();
1858
1859 450 ff_side_data_set_encoder_stats(pkt, s->current_picture->quality,
1860 450 s->encoding_error,
1861 450 (s->avctx->flags&AV_CODEC_FLAG_PSNR) ? SNOW_MAX_PLANES : 0,
1862 450 s->current_picture->pict_type);
1863
1864 450 pkt->size = ff_rac_terminate(c, 0);
1865
2/2
✓ Branch 0 taken 45 times.
✓ Branch 1 taken 405 times.
450 if (s->current_picture->key_frame)
1866 45 pkt->flags |= AV_PKT_FLAG_KEY;
1867 450 *got_packet = 1;
1868
1869 450 return 0;
1870 }
1871
1872 9 static av_cold int encode_end(AVCodecContext *avctx)
1873 {
1874 9 SnowContext *s = avctx->priv_data;
1875
1876 9 ff_snow_common_end(s);
1877 9 ff_rate_control_uninit(&s->m);
1878 9 av_frame_free(&s->input_picture);
1879 9 av_freep(&avctx->stats_out);
1880
1881 9 return 0;
1882 }
1883
1884 #define OFFSET(x) offsetof(SnowContext, x)
1885 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1886 static const AVOption options[] = {
1887 {"motion_est", "motion estimation algorithm", OFFSET(motion_est), AV_OPT_TYPE_INT, {.i64 = FF_ME_EPZS }, FF_ME_ZERO, FF_ME_ITER, VE, "motion_est" },
1888 { "zero", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ZERO }, 0, 0, VE, "motion_est" },
1889 { "epzs", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_EPZS }, 0, 0, VE, "motion_est" },
1890 { "xone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_XONE }, 0, 0, VE, "motion_est" },
1891 { "iter", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ITER }, 0, 0, VE, "motion_est" },
1892 { "memc_only", "Only do ME/MC (I frames -> ref, P frame -> ME+MC).", OFFSET(memc_only), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
1893 { "no_bitstream", "Skip final bitstream writeout.", OFFSET(no_bitstream), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
1894 { "intra_penalty", "Penalty for intra blocks in block decission", OFFSET(intra_penalty), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
1895 { "iterative_dia_size", "Dia size for the iterative ME", OFFSET(iterative_dia_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
1896 { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, VE },
1897 { "pred", "Spatial decomposition type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, DWT_97, DWT_53, VE, "pred" },
1898 { "dwt97", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "pred" },
1899 { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "pred" },
1900 { "rc_eq", "Set rate control equation. When computing the expression, besides the standard functions "
1901 "defined in the section 'Expression Evaluation', the following functions are available: "
1902 "bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv "
1903 "fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.",
1904 OFFSET(m.rc_eq), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
1905 { NULL },
1906 };
1907
1908 static const AVClass snowenc_class = {
1909 .class_name = "snow encoder",
1910 .item_name = av_default_item_name,
1911 .option = options,
1912 .version = LIBAVUTIL_VERSION_INT,
1913 };
1914
1915 const AVCodec ff_snow_encoder = {
1916 .name = "snow",
1917 .long_name = NULL_IF_CONFIG_SMALL("Snow"),
1918 .type = AVMEDIA_TYPE_VIDEO,
1919 .id = AV_CODEC_ID_SNOW,
1920 .priv_data_size = sizeof(SnowContext),
1921 .init = encode_init,
1922 .encode2 = encode_frame,
1923 .close = encode_end,
1924 .pix_fmts = (const enum AVPixelFormat[]){
1925 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV444P,
1926 AV_PIX_FMT_GRAY8,
1927 AV_PIX_FMT_NONE
1928 },
1929 .priv_class = &snowenc_class,
1930 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1931 FF_CODEC_CAP_INIT_CLEANUP,
1932 };
1933