Remove unused variable, fixes the warning:
[libav.git] / libavcodec / mpegvideo_enc.c
CommitLineData
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1/*
2 * The simplest mpeg encoder (well, it was the simplest!)
406792e7 3 * Copyright (c) 2000,2001 Fabrice Bellard
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4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
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6 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
7 *
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8 * This file is part of FFmpeg.
9 *
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 */
24
25/**
bad5537e 26 * @file libavcodec/mpegvideo_enc.c
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27 * The simplest mpeg encoder (well, it was the simplest!).
28 */
29
94ca624f 30#include "libavutil/intmath.h"
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31#include "avcodec.h"
32#include "dsputil.h"
33#include "mpegvideo.h"
34#include "mpegvideo_common.h"
c46eeae2 35#include "h263.h"
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36#include "mjpegenc.h"
37#include "msmpeg4.h"
38#include "faandct.h"
8b22017f 39#include "aandcttab.h"
eb523769 40#include "flv.h"
ca334dd1 41#include "mpeg4video.h"
7ffd8332 42#include "internal.h"
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43#include <limits.h>
44
45//#undef NDEBUG
46//#include <assert.h>
47
48static int encode_picture(MpegEncContext *s, int picture_number);
49static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
50static int sse_mb(MpegEncContext *s);
51
52/* enable all paranoid tests for rounding, overflows, etc... */
53//#define PARANOID
54
55//#define DEBUG
56
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57static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
58static uint8_t default_fcode_tab[MAX_MV*2+1];
59
69cea75f 60void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
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61 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
62{
63 int qscale;
64 int shift=0;
65
66 for(qscale=qmin; qscale<=qmax; qscale++){
67 int i;
68 if (dsp->fdct == ff_jpeg_fdct_islow
69#ifdef FAAN_POSTSCALE
70 || dsp->fdct == ff_faandct
71#endif
72 ) {
73 for(i=0;i<64;i++) {
74 const int j= dsp->idct_permutation[i];
75 /* 16 <= qscale * quant_matrix[i] <= 7905 */
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76 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
77 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
78 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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79
80 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
81 (qscale * quant_matrix[j]));
82 }
83 } else if (dsp->fdct == fdct_ifast
84#ifndef FAAN_POSTSCALE
85 || dsp->fdct == ff_faandct
86#endif
87 ) {
88 for(i=0;i<64;i++) {
89 const int j= dsp->idct_permutation[i];
90 /* 16 <= qscale * quant_matrix[i] <= 7905 */
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91 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
92 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
93 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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94
95 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
5bdf124c 96 (ff_aanscales[i] * qscale * quant_matrix[j]));
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97 }
98 } else {
99 for(i=0;i<64;i++) {
100 const int j= dsp->idct_permutation[i];
101 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
102 So 16 <= qscale * quant_matrix[i] <= 7905
103 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
104 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
105 */
106 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
107// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
108 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
109
110 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
111 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
112 }
113 }
114
115 for(i=intra; i<64; i++){
116 int64_t max= 8191;
117 if (dsp->fdct == fdct_ifast
118#ifndef FAAN_POSTSCALE
119 || dsp->fdct == ff_faandct
120#endif
121 ) {
5bdf124c 122 max = (8191LL*ff_aanscales[i]) >> 14;
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123 }
124 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
125 shift++;
126 }
127 }
128 }
129 if(shift){
130 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
131 }
132}
133
134static inline void update_qscale(MpegEncContext *s){
135 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
136 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
137
138 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
139}
140
141void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
142 int i;
143
144 if(matrix){
145 put_bits(pb, 1, 1);
146 for(i=0;i<64;i++) {
147 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
148 }
149 }else
150 put_bits(pb, 1, 0);
151}
152
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153/**
154 * init s->current_picture.qscale_table from s->lambda_table
155 */
156void ff_init_qscale_tab(MpegEncContext *s){
157 int8_t * const qscale_table= s->current_picture.qscale_table;
158 int i;
159
160 for(i=0; i<s->mb_num; i++){
161 unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
162 int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
163 qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
164 }
165}
166
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167static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
168 int i;
169
170 dst->pict_type = src->pict_type;
171 dst->quality = src->quality;
172 dst->coded_picture_number = src->coded_picture_number;
173 dst->display_picture_number = src->display_picture_number;
174// dst->reference = src->reference;
175 dst->pts = src->pts;
176 dst->interlaced_frame = src->interlaced_frame;
177 dst->top_field_first = src->top_field_first;
178
179 if(s->avctx->me_threshold){
180 if(!src->motion_val[0])
181 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
182 if(!src->mb_type)
183 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
184 if(!src->ref_index[0])
185 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
186 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
187 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
188 src->motion_subsample_log2, dst->motion_subsample_log2);
189
190 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
191
192 for(i=0; i<2; i++){
193 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
194 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
195
196 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
197 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
198 }
199 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
fc4a2d1e 200 memcpy(dst->ref_index[i], src->ref_index[i], s->mb_stride*4*s->mb_height*sizeof(int8_t));
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201 }
202 }
203 }
204}
205
206static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
207#define COPY(a) dst->a= src->a
208 COPY(pict_type);
209 COPY(current_picture);
210 COPY(f_code);
211 COPY(b_code);
212 COPY(qscale);
213 COPY(lambda);
214 COPY(lambda2);
215 COPY(picture_in_gop_number);
216 COPY(gop_picture_number);
217 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
218 COPY(progressive_frame); //FIXME don't set in encode_header
219 COPY(partitioned_frame); //FIXME don't set in encode_header
220#undef COPY
221}
222
223/**
224 * sets the given MpegEncContext to defaults for encoding.
225 * the changed fields will not depend upon the prior state of the MpegEncContext.
226 */
227static void MPV_encode_defaults(MpegEncContext *s){
228 int i;
229 MPV_common_defaults(s);
230
231 for(i=-16; i<16; i++){
232 default_fcode_tab[i + MAX_MV]= 1;
233 }
234 s->me.mv_penalty= default_mv_penalty;
235 s->fcode_tab= default_fcode_tab;
236}
237
238/* init video encoder */
98a6fff9 239av_cold int MPV_encode_init(AVCodecContext *avctx)
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240{
241 MpegEncContext *s = avctx->priv_data;
242 int i;
243 int chroma_h_shift, chroma_v_shift;
244
245 MPV_encode_defaults(s);
246
247 switch (avctx->codec_id) {
248 case CODEC_ID_MPEG2VIDEO:
249 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
250 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
251 return -1;
252 }
253 break;
254 case CODEC_ID_LJPEG:
255 case CODEC_ID_MJPEG:
8c7f8206 256 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
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257 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
258 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
259 return -1;
260 }
261 break;
262 default:
263 if(avctx->pix_fmt != PIX_FMT_YUV420P){
264 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
265 return -1;
266 }
267 }
268
269 switch (avctx->pix_fmt) {
270 case PIX_FMT_YUVJ422P:
271 case PIX_FMT_YUV422P:
272 s->chroma_format = CHROMA_422;
273 break;
274 case PIX_FMT_YUVJ420P:
275 case PIX_FMT_YUV420P:
276 default:
277 s->chroma_format = CHROMA_420;
278 break;
279 }
280
281 s->bit_rate = avctx->bit_rate;
282 s->width = avctx->width;
283 s->height = avctx->height;
284 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
285 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
286 avctx->gop_size=600;
287 }
288 s->gop_size = avctx->gop_size;
289 s->avctx = avctx;
290 s->flags= avctx->flags;
291 s->flags2= avctx->flags2;
292 s->max_b_frames= avctx->max_b_frames;
293 s->codec_id= avctx->codec->id;
294 s->luma_elim_threshold = avctx->luma_elim_threshold;
295 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
296 s->strict_std_compliance= avctx->strict_std_compliance;
297 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
298 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
299 s->mpeg_quant= avctx->mpeg_quant;
300 s->rtp_mode= !!avctx->rtp_payload_size;
301 s->intra_dc_precision= avctx->intra_dc_precision;
302 s->user_specified_pts = AV_NOPTS_VALUE;
303
304 if (s->gop_size <= 1) {
305 s->intra_only = 1;
306 s->gop_size = 12;
307 } else {
308 s->intra_only = 0;
309 }
310
311 s->me_method = avctx->me_method;
312
313 /* Fixed QSCALE */
314 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
315
316 s->adaptive_quant= ( s->avctx->lumi_masking
317 || s->avctx->dark_masking
318 || s->avctx->temporal_cplx_masking
319 || s->avctx->spatial_cplx_masking
320 || s->avctx->p_masking
321 || s->avctx->border_masking
322 || (s->flags&CODEC_FLAG_QP_RD))
323 && !s->fixed_qscale;
324
325 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
326 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
327 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
328 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
329 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
330
331 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
332 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
333 return -1;
334 }
335
336 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
337 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
338 }
339
340 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
341 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
342 return -1;
343 }
344
345 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
346 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
347 return -1;
348 }
349
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350 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
351 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
352 }
353
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354 if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
355 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
356 return -1;
357 }
358
359 if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
360 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
361 return -1;
362 }
363
364 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
365 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
366 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
367
368 av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n");
369 }
370
371 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
372 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
373 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
374 return -1;
375 }
376
377 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
378 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
379 return -1;
380 }
381
382 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
383 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
384 return -1;
385 }
386
387 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
388 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
389 return -1;
390 }
391
392 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
393 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
394 return -1;
395 }
396
397 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
398 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
399 return -1;
400 }
401
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402 if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 ||
403 s->codec_id == CODEC_ID_H263P) &&
404 (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) {
405 av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
406 avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
407 return -1;
408 }
409
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410 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
411 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
412 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
413 return -1;
414 }
415
416 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
417 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
418 return -1;
419 }
420
febea2f2 421 if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
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422 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
423 return -1;
424 }
425
426 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
427 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
428 return -1;
429 }
430
431 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
7ce68923 432 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
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433 return -1;
434 }
435
436 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
437 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
438 return -1;
439 }
440
441 if(s->flags & CODEC_FLAG_LOW_DELAY){
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442 if (s->codec_id != CODEC_ID_MPEG2VIDEO){
443 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
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444 return -1;
445 }
446 if (s->max_b_frames != 0){
447 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
448 return -1;
449 }
450 }
451
452 if(s->q_scale_type == 1){
453 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
454 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
455 return -1;
456 }
457 if(avctx->qmax > 12){
458 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
459 return -1;
460 }
461 }
462
463 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
464 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
465 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
466 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
467 return -1;
468 }
469
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470 if(s->avctx->thread_count < 1){
471 av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
472 return -1;
473 }
474
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475 if(s->avctx->thread_count > 1)
476 s->rtp_mode= 1;
477
478 if(!avctx->time_base.den || !avctx->time_base.num){
479 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
480 return -1;
481 }
482
483 i= (INT_MAX/2+128)>>8;
484 if(avctx->me_threshold >= i){
485 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
486 return -1;
487 }
488 if(avctx->mb_threshold >= i){
489 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
490 return -1;
491 }
492
493 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
494 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
495 avctx->b_frame_strategy = 0;
496 }
497
9ce6c138 498 i= av_gcd(avctx->time_base.den, avctx->time_base.num);
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499 if(i > 1){
500 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
501 avctx->time_base.den /= i;
502 avctx->time_base.num /= i;
503// return -1;
504 }
505
bd57cae8 506 if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO || s->codec_id==CODEC_ID_MJPEG){
3ada94ba
BF
507 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
508 s->inter_quant_bias= 0;
509 }else{
510 s->intra_quant_bias=0;
511 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
512 }
513
514 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
515 s->intra_quant_bias= avctx->intra_quant_bias;
516 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
517 s->inter_quant_bias= avctx->inter_quant_bias;
518
519 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
520
521 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
522 av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
523 return -1;
524 }
525 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
526
527 switch(avctx->codec->id) {
528 case CODEC_ID_MPEG1VIDEO:
529 s->out_format = FMT_MPEG1;
530 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
531 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
532 break;
533 case CODEC_ID_MPEG2VIDEO:
534 s->out_format = FMT_MPEG1;
535 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
536 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
537 s->rtp_mode= 1;
538 break;
539 case CODEC_ID_LJPEG:
540 case CODEC_ID_MJPEG:
541 s->out_format = FMT_MJPEG;
542 s->intra_only = 1; /* force intra only for jpeg */
a1a63143 543 if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){
e0b176ad
MN
544 s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
545 s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
546 s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
a1a63143
MN
547 }else{
548 s->mjpeg_vsample[0] = 2;
549 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
550 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
551 s->mjpeg_hsample[0] = 2;
552 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
553 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
e0b176ad 554 }
49fb20cb 555 if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
3ada94ba
BF
556 || ff_mjpeg_encode_init(s) < 0)
557 return -1;
558 avctx->delay=0;
559 s->low_delay=1;
560 break;
561 case CODEC_ID_H261:
49fb20cb 562 if (!CONFIG_H261_ENCODER) return -1;
3ada94ba
BF
563 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
564 av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height);
565 return -1;
566 }
567 s->out_format = FMT_H261;
568 avctx->delay=0;
569 s->low_delay=1;
570 break;
571 case CODEC_ID_H263:
49fb20cb 572 if (!CONFIG_H263_ENCODER) return -1;
c46eeae2 573 if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 7) {
3ada94ba
BF
574 av_log(avctx, AV_LOG_INFO, "The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n", s->width, s->height);
575 return -1;
576 }
577 s->out_format = FMT_H263;
578 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
579 avctx->delay=0;
580 s->low_delay=1;
581 break;
582 case CODEC_ID_H263P:
583 s->out_format = FMT_H263;
584 s->h263_plus = 1;
585 /* Fx */
586 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
587 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
588 s->modified_quant= s->h263_aic;
589 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
590 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
591 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
592 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
593 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
594
595 /* /Fx */
596 /* These are just to be sure */
597 avctx->delay=0;
598 s->low_delay=1;
599 break;
600 case CODEC_ID_FLV1:
601 s->out_format = FMT_H263;
602 s->h263_flv = 2; /* format = 1; 11-bit codes */
603 s->unrestricted_mv = 1;
604 s->rtp_mode=0; /* don't allow GOB */
605 avctx->delay=0;
606 s->low_delay=1;
607 break;
608 case CODEC_ID_RV10:
609 s->out_format = FMT_H263;
610 avctx->delay=0;
611 s->low_delay=1;
612 break;
613 case CODEC_ID_RV20:
614 s->out_format = FMT_H263;
615 avctx->delay=0;
616 s->low_delay=1;
617 s->modified_quant=1;
618 s->h263_aic=1;
619 s->h263_plus=1;
620 s->loop_filter=1;
621 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
622 break;
623 case CODEC_ID_MPEG4:
624 s->out_format = FMT_H263;
625 s->h263_pred = 1;
626 s->unrestricted_mv = 1;
627 s->low_delay= s->max_b_frames ? 0 : 1;
628 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
629 break;
630 case CODEC_ID_MSMPEG4V1:
631 s->out_format = FMT_H263;
632 s->h263_msmpeg4 = 1;
633 s->h263_pred = 1;
634 s->unrestricted_mv = 1;
635 s->msmpeg4_version= 1;
636 avctx->delay=0;
637 s->low_delay=1;
638 break;
639 case CODEC_ID_MSMPEG4V2:
640 s->out_format = FMT_H263;
641 s->h263_msmpeg4 = 1;
642 s->h263_pred = 1;
643 s->unrestricted_mv = 1;
644 s->msmpeg4_version= 2;
645 avctx->delay=0;
646 s->low_delay=1;
647 break;
648 case CODEC_ID_MSMPEG4V3:
649 s->out_format = FMT_H263;
650 s->h263_msmpeg4 = 1;
651 s->h263_pred = 1;
652 s->unrestricted_mv = 1;
653 s->msmpeg4_version= 3;
654 s->flipflop_rounding=1;
655 avctx->delay=0;
656 s->low_delay=1;
657 break;
658 case CODEC_ID_WMV1:
659 s->out_format = FMT_H263;
660 s->h263_msmpeg4 = 1;
661 s->h263_pred = 1;
662 s->unrestricted_mv = 1;
663 s->msmpeg4_version= 4;
664 s->flipflop_rounding=1;
665 avctx->delay=0;
666 s->low_delay=1;
667 break;
668 case CODEC_ID_WMV2:
669 s->out_format = FMT_H263;
670 s->h263_msmpeg4 = 1;
671 s->h263_pred = 1;
672 s->unrestricted_mv = 1;
673 s->msmpeg4_version= 5;
674 s->flipflop_rounding=1;
675 avctx->delay=0;
676 s->low_delay=1;
677 break;
678 default:
679 return -1;
680 }
681
682 avctx->has_b_frames= !s->low_delay;
683
684 s->encoding = 1;
685
01bc48f4
BC
686 s->progressive_frame=
687 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
688
3ada94ba
BF
689 /* init */
690 if (MPV_common_init(s) < 0)
691 return -1;
692
53727262
AJ
693 if(!s->dct_quantize)
694 s->dct_quantize = dct_quantize_c;
695 if(!s->denoise_dct)
696 s->denoise_dct = denoise_dct_c;
697 s->fast_dct_quantize = s->dct_quantize;
febea2f2 698 if(avctx->trellis)
53727262
AJ
699 s->dct_quantize = dct_quantize_trellis_c;
700
49fb20cb 701 if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
3ada94ba 702 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
01bc48f4 703
3ada94ba
BF
704 s->quant_precision=5;
705
706 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
707 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
708
49fb20cb 709 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
3ada94ba 710 ff_h261_encode_init(s);
f34121f3 711 if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba 712 h263_encode_init(s);
49fb20cb 713 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
3ada94ba 714 ff_msmpeg4_encode_init(s);
49fb20cb 715 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
a6bc5731 716 && s->out_format == FMT_MPEG1)
3ada94ba
BF
717 ff_mpeg1_encode_init(s);
718
719 /* init q matrix */
720 for(i=0;i<64;i++) {
721 int j= s->dsp.idct_permutation[i];
49fb20cb 722 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
3ada94ba
BF
723 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
724 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
725 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
726 s->intra_matrix[j] =
727 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
728 }else
729 { /* mpeg1/2 */
730 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
731 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
732 }
733 if(s->avctx->intra_matrix)
734 s->intra_matrix[j] = s->avctx->intra_matrix[i];
735 if(s->avctx->inter_matrix)
736 s->inter_matrix[j] = s->avctx->inter_matrix[i];
737 }
738
739 /* precompute matrix */
740 /* for mjpeg, we do include qscale in the matrix */
741 if (s->out_format != FMT_MJPEG) {
69cea75f 742 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba 743 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
69cea75f 744 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
3ada94ba
BF
745 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
746 }
747
748 if(ff_rate_control_init(s) < 0)
749 return -1;
750
751 return 0;
752}
753
98a6fff9 754av_cold int MPV_encode_end(AVCodecContext *avctx)
3ada94ba
BF
755{
756 MpegEncContext *s = avctx->priv_data;
757
758 ff_rate_control_uninit(s);
759
760 MPV_common_end(s);
49fb20cb 761 if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
3ada94ba
BF
762 ff_mjpeg_encode_close(s);
763
764 av_freep(&avctx->extradata);
765
766 return 0;
767}
768
769static int get_sae(uint8_t *src, int ref, int stride){
770 int x,y;
771 int acc=0;
772
773 for(y=0; y<16; y++){
774 for(x=0; x<16; x++){
775 acc+= FFABS(src[x+y*stride] - ref);
776 }
777 }
778
779 return acc;
780}
781
782static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
783 int x, y, w, h;
784 int acc=0;
785
786 w= s->width &~15;
787 h= s->height&~15;
788
789 for(y=0; y<h; y+=16){
790 for(x=0; x<w; x+=16){
791 int offset= x + y*stride;
792 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
793 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
794 int sae = get_sae(src + offset, mean, stride);
795
796 acc+= sae + 500 < sad;
797 }
798 }
799 return acc;
800}
801
802
803static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
804 AVFrame *pic=NULL;
805 int64_t pts;
806 int i;
807 const int encoding_delay= s->max_b_frames;
808 int direct=1;
809
810 if(pic_arg){
811 pts= pic_arg->pts;
812 pic_arg->display_picture_number= s->input_picture_number++;
813
814 if(pts != AV_NOPTS_VALUE){
815 if(s->user_specified_pts != AV_NOPTS_VALUE){
816 int64_t time= pts;
817 int64_t last= s->user_specified_pts;
818
819 if(time <= last){
820 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
821 return -1;
822 }
823 }
824 s->user_specified_pts= pts;
825 }else{
826 if(s->user_specified_pts != AV_NOPTS_VALUE){
827 s->user_specified_pts=
828 pts= s->user_specified_pts + 1;
829 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
830 }else{
831 pts= pic_arg->display_picture_number;
832 }
833 }
834 }
835
836 if(pic_arg){
837 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
838 if(pic_arg->linesize[0] != s->linesize) direct=0;
839 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
840 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
841
842// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
843
844 if(direct){
845 i= ff_find_unused_picture(s, 1);
846
847 pic= (AVFrame*)&s->picture[i];
848 pic->reference= 3;
849
850 for(i=0; i<4; i++){
851 pic->data[i]= pic_arg->data[i];
852 pic->linesize[i]= pic_arg->linesize[i];
853 }
a4a750d3 854 ff_alloc_picture(s, (Picture*)pic, 1);
3ada94ba
BF
855 }else{
856 i= ff_find_unused_picture(s, 0);
857
858 pic= (AVFrame*)&s->picture[i];
859 pic->reference= 3;
860
a4a750d3 861 ff_alloc_picture(s, (Picture*)pic, 0);
3ada94ba
BF
862
863 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
864 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
865 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
866 // empty
867 }else{
868 int h_chroma_shift, v_chroma_shift;
869 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
870
871 for(i=0; i<3; i++){
872 int src_stride= pic_arg->linesize[i];
873 int dst_stride= i ? s->uvlinesize : s->linesize;
874 int h_shift= i ? h_chroma_shift : 0;
875 int v_shift= i ? v_chroma_shift : 0;
876 int w= s->width >>h_shift;
877 int h= s->height>>v_shift;
878 uint8_t *src= pic_arg->data[i];
879 uint8_t *dst= pic->data[i];
880
881 if(!s->avctx->rc_buffer_size)
882 dst +=INPLACE_OFFSET;
883
884 if(src_stride==dst_stride)
885 memcpy(dst, src, src_stride*h);
886 else{
887 while(h--){
888 memcpy(dst, src, w);
889 dst += dst_stride;
890 src += src_stride;
891 }
892 }
893 }
894 }
895 }
896 copy_picture_attributes(s, pic, pic_arg);
897 pic->pts= pts; //we set this here to avoid modifiying pic_arg
898 }
899
900 /* shift buffer entries */
901 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
902 s->input_picture[i-1]= s->input_picture[i];
903
904 s->input_picture[encoding_delay]= (Picture*)pic;
905
906 return 0;
907}
908
909static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
910 int x, y, plane;
911 int score=0;
912 int64_t score64=0;
913
914 for(plane=0; plane<3; plane++){
915 const int stride= p->linesize[plane];
916 const int bw= plane ? 1 : 2;
917 for(y=0; y<s->mb_height*bw; y++){
918 for(x=0; x<s->mb_width*bw; x++){
919 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
920 int v= s->dsp.frame_skip_cmp[1](s, p->data[plane] + 8*(x + y*stride)+off, ref->data[plane] + 8*(x + y*stride), stride, 8);
921
922 switch(s->avctx->frame_skip_exp){
923 case 0: score= FFMAX(score, v); break;
924 case 1: score+= FFABS(v);break;
925 case 2: score+= v*v;break;
926 case 3: score64+= FFABS(v*v*(int64_t)v);break;
927 case 4: score64+= v*v*(int64_t)(v*v);break;
928 }
929 }
930 }
931 }
932
933 if(score) score64= score;
934
935 if(score64 < s->avctx->frame_skip_threshold)
936 return 1;
937 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
938 return 1;
939 return 0;
940}
941
942static int estimate_best_b_count(MpegEncContext *s){
943 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
944 AVCodecContext *c= avcodec_alloc_context();
945 AVFrame input[FF_MAX_B_FRAMES+2];
946 const int scale= s->avctx->brd_scale;
947 int i, j, out_size, p_lambda, b_lambda, lambda2;
948 int outbuf_size= s->width * s->height; //FIXME
949 uint8_t *outbuf= av_malloc(outbuf_size);
950 int64_t best_rd= INT64_MAX;
951 int best_b_count= -1;
952
953 assert(scale>=0 && scale <=3);
954
955// emms_c();
9701840b
AJ
956 p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
957 b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
3ada94ba
BF
958 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
959 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
960
961 c->width = s->width >> scale;
962 c->height= s->height>> scale;
963 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
964 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
965 c->mb_decision= s->avctx->mb_decision;
966 c->me_cmp= s->avctx->me_cmp;
967 c->mb_cmp= s->avctx->mb_cmp;
968 c->me_sub_cmp= s->avctx->me_sub_cmp;
969 c->pix_fmt = PIX_FMT_YUV420P;
970 c->time_base= s->avctx->time_base;
971 c->max_b_frames= s->max_b_frames;
972
973 if (avcodec_open(c, codec) < 0)
974 return -1;
975
976 for(i=0; i<s->max_b_frames+2; i++){
977 int ysize= c->width*c->height;
978 int csize= (c->width/2)*(c->height/2);
979 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
980
981 avcodec_get_frame_defaults(&input[i]);
982 input[i].data[0]= av_malloc(ysize + 2*csize);
983 input[i].data[1]= input[i].data[0] + ysize;
984 input[i].data[2]= input[i].data[1] + csize;
985 input[i].linesize[0]= c->width;
986 input[i].linesize[1]=
987 input[i].linesize[2]= c->width/2;
988
989 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
990 pre_input= *pre_input_ptr;
991
992 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
993 pre_input.data[0]+=INPLACE_OFFSET;
994 pre_input.data[1]+=INPLACE_OFFSET;
995 pre_input.data[2]+=INPLACE_OFFSET;
996 }
997
998 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
999 s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.data[1], pre_input.linesize[1], c->width>>1, c->height>>1);
1000 s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.data[2], pre_input.linesize[2], c->width>>1, c->height>>1);
1001 }
1002 }
1003
1004 for(j=0; j<s->max_b_frames+1; j++){
1005 int64_t rd=0;
1006
1007 if(!s->input_picture[j])
1008 break;
1009
1010 c->error[0]= c->error[1]= c->error[2]= 0;
1011
9701840b 1012 input[0].pict_type= FF_I_TYPE;
3ada94ba
BF
1013 input[0].quality= 1 * FF_QP2LAMBDA;
1014 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1015// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1016
1017 for(i=0; i<s->max_b_frames+1; i++){
1018 int is_p= i % (j+1) == j || i==s->max_b_frames;
1019
9701840b 1020 input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
3ada94ba
BF
1021 input[i+1].quality= is_p ? p_lambda : b_lambda;
1022 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1023 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1024 }
1025
1026 /* get the delayed frames */
1027 while(out_size){
1028 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1029 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1030 }
1031
1032 rd += c->error[0] + c->error[1] + c->error[2];
1033
1034 if(rd < best_rd){
1035 best_rd= rd;
1036 best_b_count= j;
1037 }
1038 }
1039
1040 av_freep(&outbuf);
1041 avcodec_close(c);
1042 av_freep(&c);
1043
1044 for(i=0; i<s->max_b_frames+2; i++){
1045 av_freep(&input[i].data[0]);
1046 }
1047
1048 return best_b_count;
1049}
1050
1051static void select_input_picture(MpegEncContext *s){
1052 int i;
1053
1054 for(i=1; i<MAX_PICTURE_COUNT; i++)
1055 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1056 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1057
1058 /* set next picture type & ordering */
1059 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1060 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1061 s->reordered_input_picture[0]= s->input_picture[0];
9701840b 1062 s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
3ada94ba
BF
1063 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1064 }else{
1065 int b_frames;
1066
1067 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1068 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1069 //FIXME check that te gop check above is +-1 correct
1070//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1071
1072 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1073 for(i=0; i<4; i++)
1074 s->input_picture[0]->data[i]= NULL;
1075 s->input_picture[0]->type= 0;
1076 }else{
1077 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1078 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1079
1080 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1081 }
1082
1083 emms_c();
1084 ff_vbv_update(s, 0);
1085
1086 goto no_output_pic;
1087 }
1088 }
1089
1090 if(s->flags&CODEC_FLAG_PASS2){
1091 for(i=0; i<s->max_b_frames+1; i++){
1092 int pict_num= s->input_picture[0]->display_picture_number + i;
1093
1094 if(pict_num >= s->rc_context.num_entries)
1095 break;
1096 if(!s->input_picture[i]){
9701840b 1097 s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
3ada94ba
BF
1098 break;
1099 }
1100
1101 s->input_picture[i]->pict_type=
1102 s->rc_context.entry[pict_num].new_pict_type;
1103 }
1104 }
1105
1106 if(s->avctx->b_frame_strategy==0){
1107 b_frames= s->max_b_frames;
1108 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1109 }else if(s->avctx->b_frame_strategy==1){
1110 for(i=1; i<s->max_b_frames+1; i++){
1111 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1112 s->input_picture[i]->b_frame_score=
1113 get_intra_count(s, s->input_picture[i ]->data[0],
1114 s->input_picture[i-1]->data[0], s->linesize) + 1;
1115 }
1116 }
1117 for(i=0; i<s->max_b_frames+1; i++){
1118 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1119 }
1120
1121 b_frames= FFMAX(0, i-1);
1122
1123 /* reset scores */
1124 for(i=0; i<b_frames+1; i++){
1125 s->input_picture[i]->b_frame_score=0;
1126 }
1127 }else if(s->avctx->b_frame_strategy==2){
1128 b_frames= estimate_best_b_count(s);
1129 }else{
1130 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1131 b_frames=0;
1132 }
1133
1134 emms_c();
1135//static int b_count=0;
1136//b_count+= b_frames;
1137//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1138
1139 for(i= b_frames - 1; i>=0; i--){
1140 int type= s->input_picture[i]->pict_type;
9701840b 1141 if(type && type != FF_B_TYPE)
3ada94ba
BF
1142 b_frames= i;
1143 }
9701840b 1144 if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
3ada94ba
BF
1145 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1146 }
1147
1148 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1149 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1150 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1151 }else{
1152 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1153 b_frames=0;
9701840b 1154 s->input_picture[b_frames]->pict_type= FF_I_TYPE;
3ada94ba
BF
1155 }
1156 }
1157
1158 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1159 && b_frames
9701840b 1160 && s->input_picture[b_frames]->pict_type== FF_I_TYPE)
3ada94ba
BF
1161 b_frames--;
1162
1163 s->reordered_input_picture[0]= s->input_picture[b_frames];
9701840b
AJ
1164 if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1165 s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
3ada94ba
BF
1166 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1167 for(i=0; i<b_frames; i++){
1168 s->reordered_input_picture[i+1]= s->input_picture[i];
9701840b 1169 s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
3ada94ba
BF
1170 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1171 }
1172 }
1173 }
1174no_output_pic:
1175 if(s->reordered_input_picture[0]){
9701840b 1176 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
3ada94ba 1177
8d2fc163 1178 ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
3ada94ba
BF
1179
1180 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1181 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1182
1183 int i= ff_find_unused_picture(s, 0);
1184 Picture *pic= &s->picture[i];
1185
1186 pic->reference = s->reordered_input_picture[0]->reference;
a4a750d3 1187 ff_alloc_picture(s, pic, 0);
3ada94ba
BF
1188
1189 /* mark us unused / free shared pic */
1190 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1191 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1192 for(i=0; i<4; i++)
1193 s->reordered_input_picture[0]->data[i]= NULL;
1194 s->reordered_input_picture[0]->type= 0;
1195
1196 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1197
1198 s->current_picture_ptr= pic;
1199 }else{
1200 // input is not a shared pix -> reuse buffer for current_pix
1201
1202 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1203 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1204
1205 s->current_picture_ptr= s->reordered_input_picture[0];
1206 for(i=0; i<4; i++){
1207 s->new_picture.data[i]+= INPLACE_OFFSET;
1208 }
1209 }
8d2fc163 1210 ff_copy_picture(&s->current_picture, s->current_picture_ptr);
3ada94ba
BF
1211
1212 s->picture_number= s->new_picture.display_picture_number;
1213//printf("dpn:%d\n", s->picture_number);
1214 }else{
1215 memset(&s->new_picture, 0, sizeof(Picture));
1216 }
1217}
1218
1219int MPV_encode_picture(AVCodecContext *avctx,
1220 unsigned char *buf, int buf_size, void *data)
1221{
1222 MpegEncContext *s = avctx->priv_data;
1223 AVFrame *pic_arg = data;
1224 int i, stuffing_count;
1225
1226 for(i=0; i<avctx->thread_count; i++){
1227 int start_y= s->thread_context[i]->start_mb_y;
1228 int end_y= s->thread_context[i]-> end_mb_y;
1229 int h= s->mb_height;
1230 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1231 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1232
1233 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1234 }
1235
1236 s->picture_in_gop_number++;
1237
1238 if(load_input_picture(s, pic_arg) < 0)
1239 return -1;
1240
1241 select_input_picture(s);
1242
1243 /* output? */
1244 if(s->new_picture.data[0]){
1245 s->pict_type= s->new_picture.pict_type;
1246//emms_c();
1247//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1248 MPV_frame_start(s, avctx);
1249vbv_retry:
1250 if (encode_picture(s, s->picture_number) < 0)
1251 return -1;
1252
3ada94ba
BF
1253 avctx->header_bits = s->header_bits;
1254 avctx->mv_bits = s->mv_bits;
1255 avctx->misc_bits = s->misc_bits;
1256 avctx->i_tex_bits = s->i_tex_bits;
1257 avctx->p_tex_bits = s->p_tex_bits;
1258 avctx->i_count = s->i_count;
1259 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1260 avctx->skip_count = s->skip_count;
1261
1262 MPV_frame_end(s);
1263
49fb20cb 1264 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
3ada94ba
BF
1265 ff_mjpeg_encode_picture_trailer(s);
1266
1267 if(avctx->rc_buffer_size){
1268 RateControlContext *rcc= &s->rc_context;
3bff4d8b 1269 int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
3ada94ba
BF
1270
1271 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1272 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1273 if(s->adaptive_quant){
1274 int i;
1275 for(i=0; i<s->mb_height*s->mb_stride; i++)
1276 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1277 }
1278 s->mb_skipped = 0; //done in MPV_frame_start()
9701840b 1279 if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
3ada94ba
BF
1280 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1281 s->no_rounding ^= 1;
1282 }
9701840b 1283 if(s->pict_type!=FF_B_TYPE){
3ada94ba
BF
1284 s->time_base= s->last_time_base;
1285 s->last_non_b_time= s->time - s->pp_time;
1286 }
1287// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1288 for(i=0; i<avctx->thread_count; i++){
1289 PutBitContext *pb= &s->thread_context[i]->pb;
1290 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1291 }
1292 goto vbv_retry;
1293 }
1294
1295 assert(s->avctx->rc_max_rate);
1296 }
1297
1298 if(s->flags&CODEC_FLAG_PASS1)
1299 ff_write_pass1_stats(s);
1300
1301 for(i=0; i<4; i++){
1302 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1303 avctx->error[i] += s->current_picture_ptr->error[i];
1304 }
1305
1306 if(s->flags&CODEC_FLAG_PASS1)
1307 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1308 flush_put_bits(&s->pb);
1309 s->frame_bits = put_bits_count(&s->pb);
1310
1311 stuffing_count= ff_vbv_update(s, s->frame_bits);
1312 if(stuffing_count){
1313 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1314 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1315 return -1;
1316 }
1317
1318 switch(s->codec_id){
1319 case CODEC_ID_MPEG1VIDEO:
1320 case CODEC_ID_MPEG2VIDEO:
1321 while(stuffing_count--){
1322 put_bits(&s->pb, 8, 0);
1323 }
1324 break;
1325 case CODEC_ID_MPEG4:
1326 put_bits(&s->pb, 16, 0);
1327 put_bits(&s->pb, 16, 0x1C3);
1328 stuffing_count -= 4;
1329 while(stuffing_count--){
1330 put_bits(&s->pb, 8, 0xFF);
1331 }
1332 break;
1333 default:
1334 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1335 }
1336 flush_put_bits(&s->pb);
1337 s->frame_bits = put_bits_count(&s->pb);
1338 }
1339
1340 /* update mpeg1/2 vbv_delay for CBR */
1341 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1342 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
4601e76a
MN
1343 int vbv_delay, min_delay;
1344 double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1345 int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1346 double bits = s->rc_context.buffer_index + minbits - inbits;
1347
1348 if(bits<0)
1349 av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
3ada94ba
BF
1350
1351 assert(s->repeat_first_field==0);
1352
4601e76a
MN
1353 vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
1354 min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1355
1356 vbv_delay= FFMAX(vbv_delay, min_delay);
1357
3ada94ba
BF
1358 assert(vbv_delay < 0xFFFF);
1359
1360 s->vbv_delay_ptr[0] &= 0xF8;
1361 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1362 s->vbv_delay_ptr[1] = vbv_delay>>5;
1363 s->vbv_delay_ptr[2] &= 0x07;
1364 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1365 }
1366 s->total_bits += s->frame_bits;
1367 avctx->frame_bits = s->frame_bits;
1368 }else{
fb53b4a0 1369 assert((put_bits_ptr(&s->pb) == s->pb.buf));
3ada94ba
BF
1370 s->frame_bits=0;
1371 }
1372 assert((s->frame_bits&7)==0);
1373
1374 return s->frame_bits/8;
1375}
1376
1377static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1378{
1379 static const char tab[64]=
1380 {3,2,2,1,1,1,1,1,
1381 1,1,1,1,1,1,1,1,
1382 1,1,1,1,1,1,1,1,
1383 0,0,0,0,0,0,0,0,
1384 0,0,0,0,0,0,0,0,
1385 0,0,0,0,0,0,0,0,
1386 0,0,0,0,0,0,0,0,
1387 0,0,0,0,0,0,0,0};
1388 int score=0;
1389 int run=0;
1390 int i;
1391 DCTELEM *block= s->block[n];
1392 const int last_index= s->block_last_index[n];
1393 int skip_dc;
1394
1395 if(threshold<0){
1396 skip_dc=0;
1397 threshold= -threshold;
1398 }else
1399 skip_dc=1;
1400
bd107136 1401 /* Are all we could set to zero already zero? */
3ada94ba
BF
1402 if(last_index<=skip_dc - 1) return;
1403
1404 for(i=0; i<=last_index; i++){
1405 const int j = s->intra_scantable.permutated[i];
1406 const int level = FFABS(block[j]);
1407 if(level==1){
1408 if(skip_dc && i==0) continue;
1409 score+= tab[run];
1410 run=0;
1411 }else if(level>1){
1412 return;
1413 }else{
1414 run++;
1415 }
1416 }
1417 if(score >= threshold) return;
1418 for(i=skip_dc; i<=last_index; i++){
1419 const int j = s->intra_scantable.permutated[i];
1420 block[j]=0;
1421 }
1422 if(block[0]) s->block_last_index[n]= 0;
1423 else s->block_last_index[n]= -1;
1424}
1425
1426static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1427{
1428 int i;
1429 const int maxlevel= s->max_qcoeff;
1430 const int minlevel= s->min_qcoeff;
1431 int overflow=0;
1432
1433 if(s->mb_intra){
1434 i=1; //skip clipping of intra dc
1435 }else
1436 i=0;
1437
1438 for(;i<=last_index; i++){
1439 const int j= s->intra_scantable.permutated[i];
1440 int level = block[j];
1441
1442 if (level>maxlevel){
1443 level=maxlevel;
1444 overflow++;
1445 }else if(level<minlevel){
1446 level=minlevel;
1447 overflow++;
1448 }
1449
1450 block[j]= level;
1451 }
1452
1453 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1454 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1455}
1456
f073a393 1457static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
3ada94ba
BF
1458 int x, y;
1459//FIXME optimize
1460 for(y=0; y<8; y++){
1461 for(x=0; x<8; x++){
1462 int x2, y2;
1463 int sum=0;
1464 int sqr=0;
1465 int count=0;
1466
1467 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1468 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1469 int v= ptr[x2 + y2*stride];
1470 sum += v;
1471 sqr += v*v;
1472 count++;
1473 }
1474 }
1475 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1476 }
1477 }
1478}
1479
1480static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1481{
1482 int16_t weight[8][64];
1483 DCTELEM orig[8][64];
1484 const int mb_x= s->mb_x;
1485 const int mb_y= s->mb_y;
1486 int i;
1487 int skip_dct[8];
1488 int dct_offset = s->linesize*8; //default for progressive frames
1489 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1490 int wrap_y, wrap_c;
1491
1492 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1493
1494 if(s->adaptive_quant){
1495 const int last_qp= s->qscale;
1496 const int mb_xy= mb_x + mb_y*s->mb_stride;
1497
1498 s->lambda= s->lambda_table[mb_xy];
1499 update_qscale(s);
1500
1501 if(!(s->flags&CODEC_FLAG_QP_RD)){
1502 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1503 s->dquant= s->qscale - last_qp;
1504
1505 if(s->out_format==FMT_H263){
1506 s->dquant= av_clip(s->dquant, -2, 2);
1507
1508 if(s->codec_id==CODEC_ID_MPEG4){
1509 if(!s->mb_intra){
9701840b 1510 if(s->pict_type == FF_B_TYPE){
3ada94ba
BF
1511 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1512 s->dquant= 0;
1513 }
1514 if(s->mv_type==MV_TYPE_8X8)
1515 s->dquant=0;
1516 }
1517 }
1518 }
1519 }
1520 ff_set_qscale(s, last_qp + s->dquant);
1521 }else if(s->flags&CODEC_FLAG_QP_RD)
1522 ff_set_qscale(s, s->qscale + s->dquant);
1523
1524 wrap_y = s->linesize;
1525 wrap_c = s->uvlinesize;
1526 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1527 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1528 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1529
1530 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1531 uint8_t *ebuf= s->edge_emu_buffer + 32;
1532 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1533 ptr_y= ebuf;
1534 ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
1535 ptr_cb= ebuf+18*wrap_y;
1536 ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
1537 ptr_cr= ebuf+18*wrap_y+8;
1538 }
1539
1540 if (s->mb_intra) {
1541 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1542 int progressive_score, interlaced_score;
1543
1544 s->interlaced_dct=0;
1545 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1546 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1547
1548 if(progressive_score > 0){
1549 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1550 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1551 if(progressive_score > interlaced_score){
1552 s->interlaced_dct=1;
1553
1554 dct_offset= wrap_y;
1555 wrap_y<<=1;
1556 if (s->chroma_format == CHROMA_422)
1557 wrap_c<<=1;
1558 }
1559 }
1560 }
1561
1562 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1563 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1564 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1565 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1566
1567 if(s->flags&CODEC_FLAG_GRAY){
1568 skip_dct[4]= 1;
1569 skip_dct[5]= 1;
1570 }else{
1571 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1572 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1573 if(!s->chroma_y_shift){ /* 422 */
1574 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1575 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1576 }
1577 }
1578 }else{
1579 op_pixels_func (*op_pix)[4];
1580 qpel_mc_func (*op_qpix)[16];
1581 uint8_t *dest_y, *dest_cb, *dest_cr;
1582
1583 dest_y = s->dest[0];
1584 dest_cb = s->dest[1];
1585 dest_cr = s->dest[2];
1586
9701840b 1587 if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
3ada94ba
BF
1588 op_pix = s->dsp.put_pixels_tab;
1589 op_qpix= s->dsp.put_qpel_pixels_tab;
1590 }else{
1591 op_pix = s->dsp.put_no_rnd_pixels_tab;
1592 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1593 }
1594
1595 if (s->mv_dir & MV_DIR_FORWARD) {
1596 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1597 op_pix = s->dsp.avg_pixels_tab;
1598 op_qpix= s->dsp.avg_qpel_pixels_tab;
1599 }
1600 if (s->mv_dir & MV_DIR_BACKWARD) {
1601 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1602 }
1603
1604 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1605 int progressive_score, interlaced_score;
1606
1607 s->interlaced_dct=0;
1608 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1609 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1610
1611 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1612
1613 if(progressive_score>0){
1614 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1615 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1616
1617 if(progressive_score > interlaced_score){
1618 s->interlaced_dct=1;
1619
1620 dct_offset= wrap_y;
1621 wrap_y<<=1;
1622 if (s->chroma_format == CHROMA_422)
1623 wrap_c<<=1;
1624 }
1625 }
1626 }
1627
1628 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1629 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1630 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1631 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1632
1633 if(s->flags&CODEC_FLAG_GRAY){
1634 skip_dct[4]= 1;
1635 skip_dct[5]= 1;
1636 }else{
1637 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1638 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1639 if(!s->chroma_y_shift){ /* 422 */
1640 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1641 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1642 }
1643 }
1644 /* pre quantization */
1645 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1646 //FIXME optimize
1647 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1648 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1649 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1650 if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1;
1651 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1652 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1653 if(!s->chroma_y_shift){ /* 422 */
1654 if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;
1655 if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;
1656 }
1657 }
1658 }
1659
1660 if(s->avctx->quantizer_noise_shaping){
f073a393
DB
1661 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1662 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1663 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1664 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1665 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1666 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
3ada94ba 1667 if(!s->chroma_y_shift){ /* 422 */
f073a393
DB
1668 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1669 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
3ada94ba
BF
1670 }
1671 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1672 }
1673
1674 /* DCT & quantize */
1675 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1676 {
1677 for(i=0;i<mb_block_count;i++) {
1678 if(!skip_dct[i]){
1679 int overflow;
1680 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1681 // FIXME we could decide to change to quantizer instead of clipping
1682 // JS: I don't think that would be a good idea it could lower quality instead
1683 // of improve it. Just INTRADC clipping deserves changes in quantizer
1684 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1685 }else
1686 s->block_last_index[i]= -1;
1687 }
1688 if(s->avctx->quantizer_noise_shaping){
1689 for(i=0;i<mb_block_count;i++) {
1690 if(!skip_dct[i]){
1691 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1692 }
1693 }
1694 }
1695
1696 if(s->luma_elim_threshold && !s->mb_intra)
1697 for(i=0; i<4; i++)
1698 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1699 if(s->chroma_elim_threshold && !s->mb_intra)
1700 for(i=4; i<mb_block_count; i++)
1701 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1702
1703 if(s->flags & CODEC_FLAG_CBP_RD){
1704 for(i=0;i<mb_block_count;i++) {
1705 if(s->block_last_index[i] == -1)
1706 s->coded_score[i]= INT_MAX/256;
1707 }
1708 }
1709 }
1710
1711 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1712 s->block_last_index[4]=
1713 s->block_last_index[5]= 0;
1714 s->block[4][0]=
1715 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1716 }
1717
1718 //non c quantize code returns incorrect block_last_index FIXME
1719 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1720 for(i=0; i<mb_block_count; i++){
1721 int j;
1722 if(s->block_last_index[i]>0){
1723 for(j=63; j>0; j--){
1724 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1725 }
1726 s->block_last_index[i]= j;
1727 }
1728 }
1729 }
1730
1731 /* huffman encode */
1732 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1733 case CODEC_ID_MPEG1VIDEO:
1734 case CODEC_ID_MPEG2VIDEO:
49fb20cb 1735 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
56be950a
AJ
1736 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1737 break;
3ada94ba 1738 case CODEC_ID_MPEG4:
49fb20cb 1739 if (CONFIG_MPEG4_ENCODER)
674eeb5f
AJ
1740 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1741 break;
3ada94ba
BF
1742 case CODEC_ID_MSMPEG4V2:
1743 case CODEC_ID_MSMPEG4V3:
1744 case CODEC_ID_WMV1:
49fb20cb 1745 if (CONFIG_MSMPEG4_ENCODER)
3ada94ba
BF
1746 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1747 break;
1748 case CODEC_ID_WMV2:
49fb20cb 1749 if (CONFIG_WMV2_ENCODER)
3ada94ba
BF
1750 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1751 break;
1752 case CODEC_ID_H261:
49fb20cb 1753 if (CONFIG_H261_ENCODER)
3ada94ba
BF
1754 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1755 break;
1756 case CODEC_ID_H263:
1757 case CODEC_ID_H263P:
1758 case CODEC_ID_FLV1:
1759 case CODEC_ID_RV10:
1760 case CODEC_ID_RV20:
0bd48530 1761 if (CONFIG_H263_ENCODER)
674eeb5f
AJ
1762 h263_encode_mb(s, s->block, motion_x, motion_y);
1763 break;
3ada94ba 1764 case CODEC_ID_MJPEG:
49fb20cb 1765 if (CONFIG_MJPEG_ENCODER)
3ada94ba
BF
1766 ff_mjpeg_encode_mb(s, s->block);
1767 break;
1768 default:
1769 assert(0);
1770 }
1771}
1772
1773static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1774{
1775 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1776 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1777}
1778
3ada94ba
BF
1779static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1780 int i;
1781
1782 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1783
1784 /* mpeg1 */
1785 d->mb_skip_run= s->mb_skip_run;
1786 for(i=0; i<3; i++)
1787 d->last_dc[i]= s->last_dc[i];
1788
1789 /* statistics */
1790 d->mv_bits= s->mv_bits;
1791 d->i_tex_bits= s->i_tex_bits;
1792 d->p_tex_bits= s->p_tex_bits;
1793 d->i_count= s->i_count;
1794 d->f_count= s->f_count;
1795 d->b_count= s->b_count;
1796 d->skip_count= s->skip_count;
1797 d->misc_bits= s->misc_bits;
1798 d->last_bits= 0;
1799
1800 d->mb_skipped= 0;
1801 d->qscale= s->qscale;
1802 d->dquant= s->dquant;
9f175aa0
MN
1803
1804 d->esc3_level_length= s->esc3_level_length;
3ada94ba
BF
1805}
1806
1807static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1808 int i;
1809
1810 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1811 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1812
1813 /* mpeg1 */
1814 d->mb_skip_run= s->mb_skip_run;
1815 for(i=0; i<3; i++)
1816 d->last_dc[i]= s->last_dc[i];
1817
1818 /* statistics */
1819 d->mv_bits= s->mv_bits;
1820 d->i_tex_bits= s->i_tex_bits;
1821 d->p_tex_bits= s->p_tex_bits;
1822 d->i_count= s->i_count;
1823 d->f_count= s->f_count;
1824 d->b_count= s->b_count;
1825 d->skip_count= s->skip_count;
1826 d->misc_bits= s->misc_bits;
1827
1828 d->mb_intra= s->mb_intra;
1829 d->mb_skipped= s->mb_skipped;
1830 d->mv_type= s->mv_type;
1831 d->mv_dir= s->mv_dir;
1832 d->pb= s->pb;
1833 if(s->data_partitioning){
1834 d->pb2= s->pb2;
1835 d->tex_pb= s->tex_pb;
1836 }
1837 d->block= s->block;
1838 for(i=0; i<8; i++)
1839 d->block_last_index[i]= s->block_last_index[i];
1840 d->interlaced_dct= s->interlaced_dct;
1841 d->qscale= s->qscale;
9f175aa0
MN
1842
1843 d->esc3_level_length= s->esc3_level_length;
3ada94ba
BF
1844}
1845
1846static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1847 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1848 int *dmin, int *next_block, int motion_x, int motion_y)
1849{
1850 int score;
1851 uint8_t *dest_backup[3];
1852
1853 copy_context_before_encode(s, backup, type);
1854
1855 s->block= s->blocks[*next_block];
1856 s->pb= pb[*next_block];
1857 if(s->data_partitioning){
1858 s->pb2 = pb2 [*next_block];
1859 s->tex_pb= tex_pb[*next_block];
1860 }
1861
1862 if(*next_block){
1863 memcpy(dest_backup, s->dest, sizeof(s->dest));
1864 s->dest[0] = s->rd_scratchpad;
1865 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1866 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1867 assert(s->linesize >= 32); //FIXME
1868 }
1869
1870 encode_mb(s, motion_x, motion_y);
1871
1872 score= put_bits_count(&s->pb);
1873 if(s->data_partitioning){
1874 score+= put_bits_count(&s->pb2);
1875 score+= put_bits_count(&s->tex_pb);
1876 }
1877
1878 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1879 MPV_decode_mb(s, s->block);
1880
1881 score *= s->lambda2;
1882 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1883 }
1884
1885 if(*next_block){
1886 memcpy(s->dest, dest_backup, sizeof(s->dest));
1887 }
1888
1889 if(score<*dmin){
1890 *dmin= score;
1891 *next_block^=1;
1892
1893 copy_context_after_encode(best, s, type);
1894 }
1895}
1896
1897static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1898 uint32_t *sq = ff_squareTbl + 256;
1899 int acc=0;
1900 int x,y;
1901
1902 if(w==16 && h==16)
1903 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1904 else if(w==8 && h==8)
1905 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1906
1907 for(y=0; y<h; y++){
1908 for(x=0; x<w; x++){
1909 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1910 }
1911 }
1912
1913 assert(acc>=0);
1914
1915 return acc;
1916}
1917
1918static int sse_mb(MpegEncContext *s){
1919 int w= 16;
1920 int h= 16;
1921
1922 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1923 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1924
1925 if(w==16 && h==16)
1926 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1927 return s->dsp.nsse[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
1928 +s->dsp.nsse[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
1929 +s->dsp.nsse[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
1930 }else{
1931 return s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
1932 +s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
1933 +s->dsp.sse[1](NULL, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
1934 }
1935 else
1936 return sse(s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
1937 +sse(s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize)
1938 +sse(s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
1939}
1940
1941static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
3a84713a 1942 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1943
1944
1945 s->me.pre_pass=1;
1946 s->me.dia_size= s->avctx->pre_dia_size;
1947 s->first_slice_line=1;
1948 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1949 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1950 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1951 }
1952 s->first_slice_line=0;
1953 }
1954
1955 s->me.pre_pass=0;
1956
1957 return 0;
1958}
1959
1960static int estimate_motion_thread(AVCodecContext *c, void *arg){
3a84713a 1961 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1962
1963 ff_check_alignment();
1964
1965 s->me.dia_size= s->avctx->dia_size;
1966 s->first_slice_line=1;
1967 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1968 s->mb_x=0; //for block init below
1969 ff_init_block_index(s);
1970 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1971 s->block_index[0]+=2;
1972 s->block_index[1]+=2;
1973 s->block_index[2]+=2;
1974 s->block_index[3]+=2;
1975
1976 /* compute motion vector & mb_type and store in context */
9701840b 1977 if(s->pict_type==FF_B_TYPE)
3ada94ba
BF
1978 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1979 else
1980 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1981 }
1982 s->first_slice_line=0;
1983 }
1984 return 0;
1985}
1986
1987static int mb_var_thread(AVCodecContext *c, void *arg){
3a84713a 1988 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1989 int mb_x, mb_y;
1990
1991 ff_check_alignment();
1992
1993 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1994 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1995 int xx = mb_x * 16;
1996 int yy = mb_y * 16;
1997 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1998 int varc;
1999 int sum = s->dsp.pix_sum(pix, s->linesize);
2000
2001 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
2002
2003 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
2004 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
2005 s->me.mb_var_sum_temp += varc;
2006 }
2007 }
2008 return 0;
2009}
2010
2011static void write_slice_end(MpegEncContext *s){
49fb20cb 2012 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
3ada94ba
BF
2013 if(s->partitioned_frame){
2014 ff_mpeg4_merge_partitions(s);
2015 }
2016
2017 ff_mpeg4_stuffing(&s->pb);
49fb20cb 2018 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
3ada94ba
BF
2019 ff_mjpeg_encode_stuffing(&s->pb);
2020 }
2021
2022 align_put_bits(&s->pb);
2023 flush_put_bits(&s->pb);
2024
2025 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2026 s->misc_bits+= get_bits_diff(s);
2027}
2028
2029static int encode_thread(AVCodecContext *c, void *arg){
3a84713a 2030 MpegEncContext *s= *(void**)arg;
3ada94ba 2031 int mb_x, mb_y, pdif = 0;
ec7e2582 2032 int chr_h= 16>>s->chroma_y_shift;
3ada94ba
BF
2033 int i, j;
2034 MpegEncContext best_s, backup_s;
2035 uint8_t bit_buf[2][MAX_MB_BYTES];
2036 uint8_t bit_buf2[2][MAX_MB_BYTES];
2037 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2038 PutBitContext pb[2], pb2[2], tex_pb[2];
2039//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2040
2041 ff_check_alignment();
2042
2043 for(i=0; i<2; i++){
2044 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2045 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2046 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2047 }
2048
2049 s->last_bits= put_bits_count(&s->pb);
2050 s->mv_bits=0;
2051 s->misc_bits=0;
2052 s->i_tex_bits=0;
2053 s->p_tex_bits=0;
2054 s->i_count=0;
2055 s->f_count=0;
2056 s->b_count=0;
2057 s->skip_count=0;
2058
2059 for(i=0; i<3; i++){
2060 /* init last dc values */
2061 /* note: quant matrix value (8) is implied here */
2062 s->last_dc[i] = 128 << s->intra_dc_precision;
2063
2064 s->current_picture.error[i] = 0;
2065 }
2066 s->mb_skip_run = 0;
2067 memset(s->last_mv, 0, sizeof(s->last_mv));
2068
2069 s->last_mv_dir = 0;
2070
2071 switch(s->codec_id){
2072 case CODEC_ID_H263:
2073 case CODEC_ID_H263P:
2074 case CODEC_ID_FLV1:
0bd48530 2075 if (CONFIG_H263_ENCODER)
674eeb5f 2076 s->gob_index = ff_h263_get_gob_height(s);
3ada94ba
BF
2077 break;
2078 case CODEC_ID_MPEG4:
49fb20cb 2079 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
3ada94ba
BF
2080 ff_mpeg4_init_partitions(s);
2081 break;
2082 }
2083
2084 s->resync_mb_x=0;
2085 s->resync_mb_y=0;
2086 s->first_slice_line = 1;
2087 s->ptr_lastgob = s->pb.buf;
2088 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2089// printf("row %d at %X\n", s->mb_y, (int)s);
2090 s->mb_x=0;
2091 s->mb_y= mb_y;
2092
2093 ff_set_qscale(s, s->qscale);
2094 ff_init_block_index(s);
2095
2096 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2097 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2098 int mb_type= s->mb_type[xy];
2099// int d;
2100 int dmin= INT_MAX;
2101 int dir;
2102
2103 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2104 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2105 return -1;
2106 }
2107 if(s->data_partitioning){
2108 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2109 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2110 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2111 return -1;
2112 }
2113 }
2114
2115 s->mb_x = mb_x;
2116 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2117 ff_update_block_index(s);
2118
49fb20cb 2119 if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
3ada94ba
BF
2120 ff_h261_reorder_mb_index(s);
2121 xy= s->mb_y*s->mb_stride + s->mb_x;
2122 mb_type= s->mb_type[xy];
2123 }
2124
2125 /* write gob / video packet header */
2126 if(s->rtp_mode){
2127 int current_packet_size, is_gob_start;
2128
2129 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2130
2131 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2132
2133 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2134
2135 switch(s->codec_id){
2136 case CODEC_ID_H263:
2137 case CODEC_ID_H263P:
2138 if(!s->h263_slice_structured)
2139 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2140 break;
2141 case CODEC_ID_MPEG2VIDEO:
2142 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2143 case CODEC_ID_MPEG1VIDEO:
2144 if(s->mb_skip_run) is_gob_start=0;
2145 break;
2146 }
2147
2148 if(is_gob_start){
2149 if(s->start_mb_y != mb_y || mb_x!=0){
2150 write_slice_end(s);
2151
49fb20cb 2152 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
3ada94ba
BF
2153 ff_mpeg4_init_partitions(s);
2154 }
2155 }
2156
2157 assert((put_bits_count(&s->pb)&7) == 0);
fb53b4a0 2158 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
3ada94ba
BF
2159
2160 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2161 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2162 int d= 100 / s->avctx->error_rate;
2163 if(r % d == 0){
2164 current_packet_size=0;
2165#ifndef ALT_BITSTREAM_WRITER
2166 s->pb.buf_ptr= s->ptr_lastgob;
2167#endif
fb53b4a0 2168 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
3ada94ba
BF
2169 }
2170 }
2171
2172 if (s->avctx->rtp_callback){
2173 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2174 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2175 }
2176
2177 switch(s->codec_id){
2178 case CODEC_ID_MPEG4:
49fb20cb 2179 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2180 ff_mpeg4_encode_video_packet_header(s);
2181 ff_mpeg4_clean_buffers(s);
eb75a698 2182 }
3ada94ba
BF
2183 break;
2184 case CODEC_ID_MPEG1VIDEO:
2185 case CODEC_ID_MPEG2VIDEO:
49fb20cb 2186 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
56be950a
AJ
2187 ff_mpeg1_encode_slice_header(s);
2188 ff_mpeg1_clean_buffers(s);
a6bc5731 2189 }
3ada94ba
BF
2190 break;
2191 case CODEC_ID_H263:
2192 case CODEC_ID_H263P:
965424da 2193 if (CONFIG_H263_ENCODER)
674eeb5f 2194 h263_encode_gob_header(s, mb_y);
3ada94ba
BF
2195 break;
2196 }
2197
2198 if(s->flags&CODEC_FLAG_PASS1){
2199 int bits= put_bits_count(&s->pb);
2200 s->misc_bits+= bits - s->last_bits;
2201 s->last_bits= bits;
2202 }
2203
2204 s->ptr_lastgob += current_packet_size;
2205 s->first_slice_line=1;
2206 s->resync_mb_x=mb_x;
2207 s->resync_mb_y=mb_y;
2208 }
2209 }
2210
2211 if( (s->resync_mb_x == s->mb_x)
2212 && s->resync_mb_y+1 == s->mb_y){
2213 s->first_slice_line=0;
2214 }
2215
2216 s->mb_skipped=0;
2217 s->dquant=0; //only for QP_RD
2218
2219 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2220 int next_block=0;
2221 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2222
2223 copy_context_before_encode(&backup_s, s, -1);
2224 backup_s.pb= s->pb;
2225 best_s.data_partitioning= s->data_partitioning;
2226 best_s.partitioned_frame= s->partitioned_frame;
2227 if(s->data_partitioning){
2228 backup_s.pb2= s->pb2;
2229 backup_s.tex_pb= s->tex_pb;
2230 }
2231
2232 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2233 s->mv_dir = MV_DIR_FORWARD;
2234 s->mv_type = MV_TYPE_16X16;
2235 s->mb_intra= 0;
2236 s->mv[0][0][0] = s->p_mv_table[xy][0];
2237 s->mv[0][0][1] = s->p_mv_table[xy][1];
2238 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2239 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2240 }
2241 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2242 s->mv_dir = MV_DIR_FORWARD;
2243 s->mv_type = MV_TYPE_FIELD;
2244 s->mb_intra= 0;
2245 for(i=0; i<2; i++){
2246 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2247 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2248 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2249 }
2250 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2251 &dmin, &next_block, 0, 0);
2252 }
2253 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2254 s->mv_dir = MV_DIR_FORWARD;
2255 s->mv_type = MV_TYPE_16X16;
2256 s->mb_intra= 0;
2257 s->mv[0][0][0] = 0;
2258 s->mv[0][0][1] = 0;
2259 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2260 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2261 }
2262 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2263 s->mv_dir = MV_DIR_FORWARD;
2264 s->mv_type = MV_TYPE_8X8;
2265 s->mb_intra= 0;
2266 for(i=0; i<4; i++){
2267 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2268 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2269 }
2270 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2271 &dmin, &next_block, 0, 0);
2272 }
2273 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2274 s->mv_dir = MV_DIR_FORWARD;
2275 s->mv_type = MV_TYPE_16X16;
2276 s->mb_intra= 0;
2277 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2278 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2279 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2280 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2281 }
2282 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2283 s->mv_dir = MV_DIR_BACKWARD;
2284 s->mv_type = MV_TYPE_16X16;
2285 s->mb_intra= 0;
2286 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2287 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2288 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2289 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2290 }
2291 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2292 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2293 s->mv_type = MV_TYPE_16X16;
2294 s->mb_intra= 0;
2295 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2296 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2297 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2298 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2299 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2300 &dmin, &next_block, 0, 0);
2301 }
2302 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2303 s->mv_dir = MV_DIR_FORWARD;
2304 s->mv_type = MV_TYPE_FIELD;
2305 s->mb_intra= 0;
2306 for(i=0; i<2; i++){
2307 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2308 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2309 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2310 }
2311 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2312 &dmin, &next_block, 0, 0);
2313 }
2314 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2315 s->mv_dir = MV_DIR_BACKWARD;
2316 s->mv_type = MV_TYPE_FIELD;
2317 s->mb_intra= 0;
2318 for(i=0; i<2; i++){
2319 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2320 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2321 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2322 }
2323 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2324 &dmin, &next_block, 0, 0);
2325 }
2326 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2327 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2328 s->mv_type = MV_TYPE_FIELD;
2329 s->mb_intra= 0;
2330 for(dir=0; dir<2; dir++){
2331 for(i=0; i<2; i++){
2332 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2333 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2334 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2335 }
2336 }
2337 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2338 &dmin, &next_block, 0, 0);
2339 }
2340 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2341 s->mv_dir = 0;
2342 s->mv_type = MV_TYPE_16X16;
2343 s->mb_intra= 1;
2344 s->mv[0][0][0] = 0;
2345 s->mv[0][0][1] = 0;
2346 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2347 &dmin, &next_block, 0, 0);
2348 if(s->h263_pred || s->h263_aic){
2349 if(best_s.mb_intra)
2350 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2351 else
2352 ff_clean_intra_table_entries(s); //old mode?
2353 }
2354 }
2355
2356 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2357 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2358 const int last_qp= backup_s.qscale;
2359 int qpi, qp, dc[6];
2360 DCTELEM ac[6][16];
2361 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2362 static const int dquant_tab[4]={-1,1,-2,2};
2363
2364 assert(backup_s.dquant == 0);
2365
2366 //FIXME intra
2367 s->mv_dir= best_s.mv_dir;
2368 s->mv_type = MV_TYPE_16X16;
2369 s->mb_intra= best_s.mb_intra;
2370 s->mv[0][0][0] = best_s.mv[0][0][0];
2371 s->mv[0][0][1] = best_s.mv[0][0][1];
2372 s->mv[1][0][0] = best_s.mv[1][0][0];
2373 s->mv[1][0][1] = best_s.mv[1][0][1];
2374
9701840b 2375 qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
3ada94ba
BF
2376 for(; qpi<4; qpi++){
2377 int dquant= dquant_tab[qpi];
2378 qp= last_qp + dquant;
2379 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2380 continue;
2381 backup_s.dquant= dquant;
2382 if(s->mb_intra && s->dc_val[0]){
2383 for(i=0; i<6; i++){
2384 dc[i]= s->dc_val[0][ s->block_index[i] ];
2385 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2386 }
2387 }
2388
2389 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2390 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2391 if(best_s.qscale != qp){
2392 if(s->mb_intra && s->dc_val[0]){
2393 for(i=0; i<6; i++){
2394 s->dc_val[0][ s->block_index[i] ]= dc[i];
2395 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2396 }
2397 }
2398 }
2399 }
2400 }
2401 }
49fb20cb 2402 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
3ada94ba
BF
2403 int mx= s->b_direct_mv_table[xy][0];
2404 int my= s->b_direct_mv_table[xy][1];
2405
2406 backup_s.dquant = 0;
2407 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2408 s->mb_intra= 0;
2409 ff_mpeg4_set_direct_mv(s, mx, my);
2410 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2411 &dmin, &next_block, mx, my);
2412 }
49fb20cb 2413 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
3ada94ba
BF
2414 backup_s.dquant = 0;
2415 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2416 s->mb_intra= 0;
2417 ff_mpeg4_set_direct_mv(s, 0, 0);
2418 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2419 &dmin, &next_block, 0, 0);
2420 }
2421 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2422 int coded=0;
2423 for(i=0; i<6; i++)
2424 coded |= s->block_last_index[i];
2425 if(coded){
2426 int mx,my;
2427 memcpy(s->mv, best_s.mv, sizeof(s->mv));
49fb20cb 2428 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
3ada94ba
BF
2429 mx=my=0; //FIXME find the one we actually used
2430 ff_mpeg4_set_direct_mv(s, mx, my);
2431 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2432 mx= s->mv[1][0][0];
2433 my= s->mv[1][0][1];
2434 }else{
2435 mx= s->mv[0][0][0];
2436 my= s->mv[0][0][1];
2437 }
2438
2439 s->mv_dir= best_s.mv_dir;
2440 s->mv_type = best_s.mv_type;
2441 s->mb_intra= 0;
2442/* s->mv[0][0][0] = best_s.mv[0][0][0];
2443 s->mv[0][0][1] = best_s.mv[0][0][1];
2444 s->mv[1][0][0] = best_s.mv[1][0][0];
2445 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2446 backup_s.dquant= 0;
2447 s->skipdct=1;
2448 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2449 &dmin, &next_block, mx, my);
2450 s->skipdct=0;
2451 }
2452 }
2453
2454 s->current_picture.qscale_table[xy]= best_s.qscale;
2455
2456 copy_context_after_encode(s, &best_s, -1);
2457
2458 pb_bits_count= put_bits_count(&s->pb);
2459 flush_put_bits(&s->pb);
2460 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2461 s->pb= backup_s.pb;
2462
2463 if(s->data_partitioning){
2464 pb2_bits_count= put_bits_count(&s->pb2);
2465 flush_put_bits(&s->pb2);
2466 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2467 s->pb2= backup_s.pb2;
2468
2469 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2470 flush_put_bits(&s->tex_pb);
2471 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2472 s->tex_pb= backup_s.tex_pb;
2473 }
2474 s->last_bits= put_bits_count(&s->pb);
2475
f34121f3 2476 if (CONFIG_H263_ENCODER &&
9701840b 2477 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
3ada94ba
BF
2478 ff_h263_update_motion_val(s);
2479
2480 if(next_block==0){ //FIXME 16 vs linesize16
2481 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2482 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2483 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2484 }
2485
2486 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2487 MPV_decode_mb(s, s->block);
2488 } else {
2489 int motion_x = 0, motion_y = 0;
2490 s->mv_type=MV_TYPE_16X16;
2491 // only one MB-Type possible
2492
2493 switch(mb_type){
2494 case CANDIDATE_MB_TYPE_INTRA:
2495 s->mv_dir = 0;
2496 s->mb_intra= 1;
2497 motion_x= s->mv[0][0][0] = 0;
2498 motion_y= s->mv[0][0][1] = 0;
2499 break;
2500 case CANDIDATE_MB_TYPE_INTER:
2501 s->mv_dir = MV_DIR_FORWARD;
2502 s->mb_intra= 0;
2503 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2504 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2505 break;
2506 case CANDIDATE_MB_TYPE_INTER_I:
2507 s->mv_dir = MV_DIR_FORWARD;
2508 s->mv_type = MV_TYPE_FIELD;
2509 s->mb_intra= 0;
2510 for(i=0; i<2; i++){
2511 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2512 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2513 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2514 }
2515 break;
2516 case CANDIDATE_MB_TYPE_INTER4V:
2517 s->mv_dir = MV_DIR_FORWARD;
2518 s->mv_type = MV_TYPE_8X8;
2519 s->mb_intra= 0;
2520 for(i=0; i<4; i++){
2521 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2522 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2523 }
2524 break;
2525 case CANDIDATE_MB_TYPE_DIRECT:
49fb20cb 2526 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2527 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2528 s->mb_intra= 0;
2529 motion_x=s->b_direct_mv_table[xy][0];
2530 motion_y=s->b_direct_mv_table[xy][1];
2531 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
eb75a698 2532 }
3ada94ba
BF
2533 break;
2534 case CANDIDATE_MB_TYPE_DIRECT0:
49fb20cb 2535 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2536 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2537 s->mb_intra= 0;
2538 ff_mpeg4_set_direct_mv(s, 0, 0);
eb75a698 2539 }
3ada94ba
BF
2540 break;
2541 case CANDIDATE_MB_TYPE_BIDIR:
2542 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2543 s->mb_intra= 0;
2544 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2545 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2546 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2547 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2548 break;
2549 case CANDIDATE_MB_TYPE_BACKWARD:
2550 s->mv_dir = MV_DIR_BACKWARD;
2551 s->mb_intra= 0;
2552 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2553 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2554 break;
2555 case CANDIDATE_MB_TYPE_FORWARD:
2556 s->mv_dir = MV_DIR_FORWARD;
2557 s->mb_intra= 0;
2558 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2559 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2560// printf(" %d %d ", motion_x, motion_y);
2561 break;
2562 case CANDIDATE_MB_TYPE_FORWARD_I:
2563 s->mv_dir = MV_DIR_FORWARD;
2564 s->mv_type = MV_TYPE_FIELD;
2565 s->mb_intra= 0;
2566 for(i=0; i<2; i++){
2567 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2568 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2569 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2570 }
2571 break;
2572 case CANDIDATE_MB_TYPE_BACKWARD_I:
2573 s->mv_dir = MV_DIR_BACKWARD;
2574 s->mv_type = MV_TYPE_FIELD;
2575 s->mb_intra= 0;
2576 for(i=0; i<2; i++){
2577 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2578 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2579 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2580 }
2581 break;
2582 case CANDIDATE_MB_TYPE_BIDIR_I:
2583 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2584 s->mv_type = MV_TYPE_FIELD;
2585 s->mb_intra= 0;
2586 for(dir=0; dir<2; dir++){
2587 for(i=0; i<2; i++){
2588 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2589 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2590 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2591 }
2592 }
2593 break;
2594 default:
2595 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2596 }
2597
2598 encode_mb(s, motion_x, motion_y);
2599
2600 // RAL: Update last macroblock type
2601 s->last_mv_dir = s->mv_dir;
2602
f34121f3 2603 if (CONFIG_H263_ENCODER &&
9701840b 2604 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
3ada94ba
BF
2605 ff_h263_update_motion_val(s);
2606
2607 MPV_decode_mb(s, s->block);
2608 }
2609
2610 /* clean the MV table in IPS frames for direct mode in B frames */
2611 if(s->mb_intra /* && I,P,S_TYPE */){
2612 s->p_mv_table[xy][0]=0;
2613 s->p_mv_table[xy][1]=0;
2614 }
2615
2616 if(s->flags&CODEC_FLAG_PSNR){
2617 int w= 16;
2618 int h= 16;
2619
2620 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2621 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2622
2623 s->current_picture.error[0] += sse(
2624 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2625 s->dest[0], w, h, s->linesize);
2626 s->current_picture.error[1] += sse(
ec7e2582
BC
2627 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2628 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3ada94ba 2629 s->current_picture.error[2] += sse(
ec7e2582
BC
2630 s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2631 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3ada94ba
BF
2632 }
2633 if(s->loop_filter){
f34121f3 2634 if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba
BF
2635 ff_h263_loop_filter(s);
2636 }
2637//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2638 }
2639 }
2640
2641 //not beautiful here but we must write it before flushing so it has to be here
49fb20cb 2642 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
3ada94ba
BF
2643 msmpeg4_encode_ext_header(s);
2644
2645 write_slice_end(s);
2646
2647 /* Send the last GOB if RTP */
2648 if (s->avctx->rtp_callback) {
2649 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
fb53b4a0 2650 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
3ada94ba
BF
2651 /* Call the RTP callback to send the last GOB */
2652 emms_c();
2653 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2654 }
2655
2656 return 0;
2657}
2658
2659#define MERGE(field) dst->field += src->field; src->field=0
2660static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2661 MERGE(me.scene_change_score);
2662 MERGE(me.mc_mb_var_sum_temp);
2663 MERGE(me.mb_var_sum_temp);
2664}
2665
2666static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2667 int i;
2668
2669 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2670 MERGE(dct_count[1]);
2671 MERGE(mv_bits);
2672 MERGE(i_tex_bits);
2673 MERGE(p_tex_bits);
2674 MERGE(i_count);
2675 MERGE(f_count);
2676 MERGE(b_count);
2677 MERGE(skip_count);
2678 MERGE(misc_bits);
2679 MERGE(error_count);
2680 MERGE(padding_bug_score);
2681 MERGE(current_picture.error[0]);
2682 MERGE(current_picture.error[1]);
2683 MERGE(current_picture.error[2]);
2684
2685 if(dst->avctx->noise_reduction){
2686 for(i=0; i<64; i++){
2687 MERGE(dct_error_sum[0][i]);
2688 MERGE(dct_error_sum[1][i]);
2689 }
2690 }
2691
2692 assert(put_bits_count(&src->pb) % 8 ==0);
2693 assert(put_bits_count(&dst->pb) % 8 ==0);
2694 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2695 flush_put_bits(&dst->pb);
2696}
2697
2698static int estimate_qp(MpegEncContext *s, int dry_run){
2699 if (s->next_lambda){
2700 s->current_picture_ptr->quality=
2701 s->current_picture.quality = s->next_lambda;
2702 if(!dry_run) s->next_lambda= 0;
2703 } else if (!s->fixed_qscale) {
2704 s->current_picture_ptr->quality=
2705 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2706 if (s->current_picture.quality < 0)
2707 return -1;
2708 }
2709
2710 if(s->adaptive_quant){
2711 switch(s->codec_id){
2712 case CODEC_ID_MPEG4:
49fb20cb 2713 if (CONFIG_MPEG4_ENCODER)
674eeb5f 2714 ff_clean_mpeg4_qscales(s);
3ada94ba
BF
2715 break;
2716 case CODEC_ID_H263:
2717 case CODEC_ID_H263P:
2718 case CODEC_ID_FLV1:
0bd48530 2719 if (CONFIG_H263_ENCODER)
674eeb5f 2720 ff_clean_h263_qscales(s);
3ada94ba 2721 break;
ccc4b918
MN
2722 default:
2723 ff_init_qscale_tab(s);
3ada94ba
BF
2724 }
2725
2726 s->lambda= s->lambda_table[0];
2727 //FIXME broken
2728 }else
2729 s->lambda= s->current_picture.quality;
2730//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2731 update_qscale(s);
2732 return 0;
2733}
2734
7da31a80
AJ
2735/* must be called before writing the header */
2736static void set_frame_distances(MpegEncContext * s){
2737 assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2738 s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2739
9701840b 2740 if(s->pict_type==FF_B_TYPE){
7da31a80
AJ
2741 s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2742 assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2743 }else{
2744 s->pp_time= s->time - s->last_non_b_time;
2745 s->last_non_b_time= s->time;
2746 assert(s->picture_number==0 || s->pp_time > 0);
2747 }
2748}
2749
3ada94ba
BF
2750static int encode_picture(MpegEncContext *s, int picture_number)
2751{
2752 int i;
2753 int bits;
2754
2755 s->picture_number = picture_number;
2756
2757 /* Reset the average MB variance */
2758 s->me.mb_var_sum_temp =
2759 s->me.mc_mb_var_sum_temp = 0;
2760
2761 /* we need to initialize some time vars before we can encode b-frames */
2762 // RAL: Condition added for MPEG1VIDEO
2763 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
7da31a80 2764 set_frame_distances(s);
49fb20cb 2765 if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
7da31a80 2766 ff_set_mpeg4_time(s);
3ada94ba
BF
2767
2768 s->me.scene_change_score=0;
2769
e6dba5df 2770// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
3ada94ba 2771
9701840b 2772 if(s->pict_type==FF_I_TYPE){
3ada94ba
BF
2773 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2774 else s->no_rounding=0;
9701840b 2775 }else if(s->pict_type!=FF_B_TYPE){
3ada94ba
BF
2776 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2777 s->no_rounding ^= 1;
2778 }
2779
2780 if(s->flags & CODEC_FLAG_PASS2){
2781 if (estimate_qp(s,1) < 0)
2782 return -1;
2783 ff_get_2pass_fcode(s);
2784 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
9701840b 2785 if(s->pict_type==FF_B_TYPE)
3ada94ba
BF
2786 s->lambda= s->last_lambda_for[s->pict_type];
2787 else
2788 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2789 update_qscale(s);
2790 }
2791
2792 s->mb_intra=0; //for the rate distortion & bit compare functions
2793 for(i=1; i<s->avctx->thread_count; i++){
2794 ff_update_duplicate_context(s->thread_context[i], s);
2795 }
2796
719f3702
MN
2797 if(ff_init_me(s)<0)
2798 return -1;
3ada94ba
BF
2799
2800 /* Estimate motion for every MB */
9701840b 2801 if(s->pict_type != FF_I_TYPE){
3ada94ba
BF
2802 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2803 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
9701840b
AJ
2804 if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){
2805 if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
01418506 2806 s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2807 }
2808 }
2809
01418506 2810 s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
9701840b 2811 }else /* if(s->pict_type == FF_I_TYPE) */{
3ada94ba
BF
2812 /* I-Frame */
2813 for(i=0; i<s->mb_stride*s->mb_height; i++)
2814 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2815
2816 if(!s->fixed_qscale){
2817 /* finding spatial complexity for I-frame rate control */
01418506 2818 s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2819 }
2820 }
2821 for(i=1; i<s->avctx->thread_count; i++){
2822 merge_context_after_me(s, s->thread_context[i]);
2823 }
2824 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2825 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2826 emms_c();
2827
9701840b
AJ
2828 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == FF_P_TYPE){
2829 s->pict_type= FF_I_TYPE;
3ada94ba
BF
2830 for(i=0; i<s->mb_stride*s->mb_height; i++)
2831 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2832//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2833 }
2834
2835 if(!s->umvplus){
9701840b 2836 if(s->pict_type==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
3ada94ba
BF
2837 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2838
2839 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2840 int a,b;
2841 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2842 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
159ef4b0 2843 s->f_code= FFMAX3(s->f_code, a, b);
3ada94ba
BF
2844 }
2845
2846 ff_fix_long_p_mvs(s);
2847 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2848 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2849 int j;
2850 for(i=0; i<2; i++){
2851 for(j=0; j<2; j++)
2852 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2853 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2854 }
2855 }
2856 }
2857
9701840b 2858 if(s->pict_type==FF_B_TYPE){
3ada94ba
BF
2859 int a, b;
2860
2861 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2862 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2863 s->f_code = FFMAX(a, b);
2864
2865 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2866 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2867 s->b_code = FFMAX(a, b);
2868
2869 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2870 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2871 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2872 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2873 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2874 int dir, j;
2875 for(dir=0; dir<2; dir++){
2876 for(i=0; i<2; i++){
2877 for(j=0; j<2; j++){
2878 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2879 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2880 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2881 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2882 }
2883 }
2884 }
2885 }
2886 }
2887 }
2888
2889 if (estimate_qp(s, 0) < 0)
2890 return -1;
2891
9701840b 2892 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==FF_I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
3ada94ba
BF
2893 s->qscale= 3; //reduce clipping problems
2894
2895 if (s->out_format == FMT_MJPEG) {
2896 /* for mjpeg, we do include qscale in the matrix */
3ada94ba
BF
2897 for(i=1;i<64;i++){
2898 int j= s->dsp.idct_permutation[i];
2899
2900 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2901 }
6506c3d2 2902 s->y_dc_scale_table=
53f66cee
MN
2903 s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
2904 s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8];
69cea75f 2905 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba
BF
2906 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2907 s->qscale= 8;
2908 }
2909
2910 //FIXME var duplication
2911 s->current_picture_ptr->key_frame=
9701840b 2912 s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
3ada94ba
BF
2913 s->current_picture_ptr->pict_type=
2914 s->current_picture.pict_type= s->pict_type;
2915
2916 if(s->current_picture.key_frame)
2917 s->picture_in_gop_number=0;
2918
2919 s->last_bits= put_bits_count(&s->pb);
2920 switch(s->out_format) {
2921 case FMT_MJPEG:
49fb20cb 2922 if (CONFIG_MJPEG_ENCODER)
3ada94ba
BF
2923 ff_mjpeg_encode_picture_header(s);
2924 break;
2925 case FMT_H261:
49fb20cb 2926 if (CONFIG_H261_ENCODER)
3ada94ba
BF
2927 ff_h261_encode_picture_header(s, picture_number);
2928 break;
2929 case FMT_H263:
49fb20cb 2930 if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
3ada94ba 2931 ff_wmv2_encode_picture_header(s, picture_number);
49fb20cb 2932 else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4)
3ada94ba 2933 msmpeg4_encode_picture_header(s, picture_number);
49fb20cb 2934 else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
3ada94ba 2935 mpeg4_encode_picture_header(s, picture_number);
49fb20cb 2936 else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
3ada94ba 2937 rv10_encode_picture_header(s, picture_number);
49fb20cb 2938 else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
3ada94ba 2939 rv20_encode_picture_header(s, picture_number);
49fb20cb 2940 else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
3ada94ba 2941 ff_flv_encode_picture_header(s, picture_number);
f34121f3 2942 else if (CONFIG_H263_ENCODER)
3ada94ba
BF
2943 h263_encode_picture_header(s, picture_number);
2944 break;
2945 case FMT_MPEG1:
49fb20cb 2946 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
56be950a 2947 mpeg1_encode_picture_header(s, picture_number);
3ada94ba
BF
2948 break;
2949 case FMT_H264:
2950 break;
2951 default:
2952 assert(0);
2953 }
2954 bits= put_bits_count(&s->pb);
2955 s->header_bits= bits - s->last_bits;
2956
2957 for(i=1; i<s->avctx->thread_count; i++){
2958 update_duplicate_context_after_me(s->thread_context[i], s);
2959 }
01418506 2960 s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2961 for(i=1; i<s->avctx->thread_count; i++){
2962 merge_context_after_encode(s, s->thread_context[i]);
2963 }
2964 emms_c();
2965 return 0;
2966}
2967
2968void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2969 const int intra= s->mb_intra;
2970 int i;
2971
2972 s->dct_count[intra]++;
2973
2974 for(i=0; i<64; i++){
2975 int level= block[i];
2976
2977 if(level){
2978 if(level>0){
2979 s->dct_error_sum[intra][i] += level;
2980 level -= s->dct_offset[intra][i];
2981 if(level<0) level=0;
2982 }else{
2983 s->dct_error_sum[intra][i] -= level;
2984 level += s->dct_offset[intra][i];
2985 if(level>0) level=0;
2986 }
2987 block[i]= level;
2988 }
2989 }
2990}
2991
2992int dct_quantize_trellis_c(MpegEncContext *s,
2993 DCTELEM *block, int n,
2994 int qscale, int *overflow){
2995 const int *qmat;
2996 const uint8_t *scantable= s->intra_scantable.scantable;
2997 const uint8_t *perm_scantable= s->intra_scantable.permutated;
2998 int max=0;
2999 unsigned int threshold1, threshold2;
3000 int bias=0;
3001 int run_tab[65];
3002 int level_tab[65];
3003 int score_tab[65];
3004 int survivor[65];
3005 int survivor_count;
3006 int last_run=0;
3007 int last_level=0;
3008 int last_score= 0;
3009 int last_i;
3010 int coeff[2][64];
3011 int coeff_count[64];
3012 int qmul, qadd, start_i, last_non_zero, i, dc;
3013 const int esc_length= s->ac_esc_length;
3014 uint8_t * length;
3015 uint8_t * last_length;
3016 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
3017
3018 s->dsp.fdct (block);
3019
3020 if(s->dct_error_sum)
3021 s->denoise_dct(s, block);
3022 qmul= qscale*16;
3023 qadd= ((qscale-1)|1)*8;
3024
3025 if (s->mb_intra) {
3026 int q;
3027 if (!s->h263_aic) {
3028 if (n < 4)
3029 q = s->y_dc_scale;
3030 else
3031 q = s->c_dc_scale;
3032 q = q << 3;
3033 } else{
3034 /* For AIC we skip quant/dequant of INTRADC */
3035 q = 1 << 3;
3036 qadd=0;
3037 }
3038
3039 /* note: block[0] is assumed to be positive */
3040 block[0] = (block[0] + (q >> 1)) / q;
3041 start_i = 1;
3042 last_non_zero = 0;
3043 qmat = s->q_intra_matrix[qscale];
3044 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3045 bias= 1<<(QMAT_SHIFT-1);
3046 length = s->intra_ac_vlc_length;
3047 last_length= s->intra_ac_vlc_last_length;
3048 } else {
3049 start_i = 0;
3050 last_non_zero = -1;
3051 qmat = s->q_inter_matrix[qscale];
3052 length = s->inter_ac_vlc_length;
3053 last_length= s->inter_ac_vlc_last_length;
3054 }
3055 last_i= start_i;
3056
3057 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3058 threshold2= (threshold1<<1);
3059
3060 for(i=63; i>=start_i; i--) {
3061 const int j = scantable[i];
3062 int level = block[j] * qmat[j];
3063
3064 if(((unsigned)(level+threshold1))>threshold2){
3065 last_non_zero = i;
3066 break;
3067 }
3068 }
3069
3070 for(i=start_i; i<=last_non_zero; i++) {
3071 const int j = scantable[i];
3072 int level = block[j] * qmat[j];
3073
3074// if( bias+level >= (1<<(QMAT_SHIFT - 3))
3075// || bias-level >= (1<<(QMAT_SHIFT - 3))){
3076 if(((unsigned)(level+threshold1))>threshold2){
3077 if(level>0){
3078 level= (bias + level)>>QMAT_SHIFT;
3079 coeff[0][i]= level;
3080 coeff[1][i]= level-1;
3081// coeff[2][k]= level-2;
3082 }else{
3083 level= (bias - level)>>QMAT_SHIFT;
3084 coeff[0][i]= -level;
3085 coeff[1][i]= -level+1;
3086// coeff[2][k]= -level+2;
3087 }
3088 coeff_count[i]= FFMIN(level, 2);
3089 assert(coeff_count[i]);
3090 max |=level;
3091 }else{
3092 coeff[0][i]= (level>>31)|1;
3093 coeff_count[i]= 1;
3094 }
3095 }
3096
3097 *overflow= s->max_qcoeff < max; //overflow might have happened
3098
3099 if(last_non_zero < start_i){
3100 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3101 return last_non_zero;
3102 }
3103
3104 score_tab[start_i]= 0;
3105 survivor[0]= start_i;
3106 survivor_count= 1;
3107
3108 for(i=start_i; i<=last_non_zero; i++){
e6dba5df 3109 int level_index, j, zero_distortion;
b6bffc46 3110 int dct_coeff= FFABS(block[ scantable[i] ]);
3ada94ba 3111 int best_score=256*256*256*120;
b6bffc46
MN
3112
3113 if ( s->dsp.fdct == fdct_ifast
3114#ifndef FAAN_POSTSCALE
3115 || s->dsp.fdct == ff_faandct
3116#endif
3117 )
939e4e3a 3118 dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
e6dba5df 3119 zero_distortion= dct_coeff*dct_coeff;
b6bffc46 3120
3ada94ba 3121 for(level_index=0; level_index < coeff_count[i]; level_index++){
e6dba5df 3122 int distortion;
3ada94ba
BF
3123 int level= coeff[level_index][i];
3124 const int alevel= FFABS(level);
3125 int unquant_coeff;
3126
3127 assert(level);
3128
3129 if(s->out_format == FMT_H263){
3130 unquant_coeff= alevel*qmul + qadd;
3131 }else{ //MPEG1
3132 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3133 if(s->mb_intra){
3134 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3135 unquant_coeff = (unquant_coeff - 1) | 1;
3136 }else{
3137 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3138 unquant_coeff = (unquant_coeff - 1) | 1;
3139 }
3140 unquant_coeff<<= 3;
3141 }
3142
e6dba5df 3143 distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
3ada94ba
BF
3144 level+=64;
3145 if((level&(~127)) == 0){
3146 for(j=survivor_count-1; j>=0; j--){
3147 int run= i - survivor[j];
e6dba5df 3148 int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3ada94ba
BF
3149 score += score_tab[i-run];
3150
3151 if(score < best_score){
3152 best_score= score;
3153 run_tab[i+1]= run;
3154 level_tab[i+1]= level-64;
3155 }
3156 }
3157
3158 if(s->out_format == FMT_H263){
3159 for(j=survivor_count-1; j>=0; j--){
3160 int run= i - survivor[j];
e6dba5df 3161 int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3ada94ba
BF
3162 score += score_tab[i-run];
3163 if(score < last_score){
3164 last_score= score;
3165 last_run= run;
3166 last_level= level-64;
3167 last_i= i+1;
3168 }
3169 }
3170 }
3171 }else{
e6dba5df 3172 distortion += esc_length*lambda;
3ada94ba
BF
3173 for(j=survivor_count-1; j>=0; j--){
3174 int run= i - survivor[j];
e6dba5df 3175 int score= distortion + score_tab[i-run];
3ada94ba
BF
3176
3177 if(score < best_score){
3178 best_score= score;
3179 run_tab[i+1]= run;
3180 level_tab[i+1]= level-64;
3181 }
3182 }
3183
3184 if(s->out_format == FMT_H263){
3185 for(j=survivor_count-1; j>=0; j--){
3186 int run= i - survivor[j];
e6dba5df 3187 int score= distortion + score_tab[i-run];
3ada94ba
BF
3188 if(score < last_score){
3189 last_score= score;
3190 last_run= run;
3191 last_level= level-64;
3192 last_i= i+1;
3193 }
3194 }
3195 }
3196 }
3197 }
3198
3199 score_tab[i+1]= best_score;
3200
3201 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3202 if(last_non_zero <= 27){
3203 for(; survivor_count; survivor_count--){
3204 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3205 break;
3206 }
3207 }else{
3208 for(; survivor_count; survivor_count--){
3209 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3210 break;
3211 }
3212 }
3213
3214 survivor[ survivor_count++ ]= i+1;
3215 }
3216
3217 if(s->out_format != FMT_H263){
3218 last_score= 256*256*256*120;
3219 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3220 int score= score_tab[i];
3221 if(i) score += lambda*2; //FIXME exacter?
3222
3223 if(score < last_score){
3224 last_score= score;
3225 last_i= i;
3226 last_level= level_tab[i];
3227 last_run= run_tab[i];
3228 }
3229 }
3230 }
3231
3232 s->coded_score[n] = last_score;
3233
3234 dc= FFABS(block[0]);
3235 last_non_zero= last_i - 1;
3236 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3237
3238 if(last_non_zero < start_i)
3239 return last_non_zero;
3240
3241 if(last_non_zero == 0 && start_i == 0){
3242 int best_level= 0;
3243 int best_score= dc * dc;
3244
3245 for(i=0; i<coeff_count[0]; i++){
3246 int level= coeff[i][0];
3247 int alevel= FFABS(level);
3248 int unquant_coeff, score, distortion;
3249
3250 if(s->out_format == FMT_H263){
3251 unquant_coeff= (alevel*qmul + qadd)>>3;
3252 }else{ //MPEG1
3253 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3254 unquant_coeff = (unquant_coeff - 1) | 1;
3255 }
3256 unquant_coeff = (unquant_coeff + 4) >> 3;
3257 unquant_coeff<<= 3 + 3;
3258
3259 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3260 level+=64;
3261 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3262 else score= distortion + esc_length*lambda;
3263
3264 if(score < best_score){
3265 best_score= score;
3266 best_level= level - 64;
3267 }
3268 }
3269 block[0]= best_level;
3270 s->coded_score[n] = best_score - dc*dc;
3271 if(best_level == 0) return -1;
3272 else return last_non_zero;
3273 }
3274
3275 i= last_i;
3276 assert(last_level);
3277
3278 block[ perm_scantable[last_non_zero] ]= last_level;
3279 i -= last_run + 1;
3280
3281 for(; i>start_i; i -= run_tab[i] + 1){
3282 block[ perm_scantable[i-1] ]= level_tab[i];
3283 }
3284
3285 return last_non_zero;
3286}
3287
3288//#define REFINE_STATS 1
3289static int16_t basis[64][64];
3290
3291static void build_basis(uint8_t *perm){
3292 int i, j, x, y;
3293 emms_c();
3294 for(i=0; i<8; i++){
3295 for(j=0; j<8; j++){
3296 for(y=0; y<8; y++){
3297 for(x=0; x<8; x++){
3298 double s= 0.25*(1<<BASIS_SHIFT);
3299 int index= 8*i + j;
3300 int perm_index= perm[index];
3301 if(i==0) s*= sqrt(0.5);
3302 if(j==0) s*= sqrt(0.5);
3303 basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5)));
3304 }
3305 }
3306 }
3307 }
3308}
3309
3310static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3311 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3312 int n, int qscale){
3313 int16_t rem[64];
40d11227 3314 LOCAL_ALIGNED_16(DCTELEM, d1, [64]);
3ada94ba
BF
3315 const uint8_t *scantable= s->intra_scantable.scantable;
3316 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3317// unsigned int threshold1, threshold2;
3318// int bias=0;
3319 int run_tab[65];
3320 int prev_run=0;
3321 int prev_level=0;
3322 int qmul, qadd, start_i, last_non_zero, i, dc;
3323 uint8_t * length;
3324 uint8_t * last_length;
3325 int lambda;
3326 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3327#ifdef REFINE_STATS
3328static int count=0;
3329static int after_last=0;
3330static int to_zero=0;
3331static int from_zero=0;
3332static int raise=0;
3333static int lower=0;
3334static int messed_sign=0;
3335#endif
3336
3337 if(basis[0][0] == 0)
3338 build_basis(s->dsp.idct_permutation);
3339
3340 qmul= qscale*2;
3341 qadd= (qscale-1)|1;
3342 if (s->mb_intra) {
3343 if (!s->h263_aic) {
3344 if (n < 4)
3345 q = s->y_dc_scale;
3346 else
3347 q = s->c_dc_scale;
3348 } else{
3349 /* For AIC we skip quant/dequant of INTRADC */
3350 q = 1;
3351 qadd=0;
3352 }
3353 q <<= RECON_SHIFT-3;
3354 /* note: block[0] is assumed to be positive */
3355 dc= block[0]*q;
3356// block[0] = (block[0] + (q >> 1)) / q;
3357 start_i = 1;
3ada94ba
BF
3358// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3359// bias= 1<<(QMAT_SHIFT-1);
3360 length = s->intra_ac_vlc_length;
3361 last_length= s->intra_ac_vlc_last_length;
3362 } else {
3363 dc= 0;
3364 start_i = 0;
3ada94ba
BF
3365 length = s->inter_ac_vlc_length;
3366 last_length= s->inter_ac_vlc_last_length;
3367 }
3368 last_non_zero = s->block_last_index[n];
3369
3370#ifdef REFINE_STATS
3371{START_TIMER
3372#endif
3373 dc += (1<<(RECON_SHIFT-1));
3374 for(i=0; i<64; i++){
3375 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3376 }
3377#ifdef REFINE_STATS
3378STOP_TIMER("memset rem[]")}
3379#endif
3380 sum=0;
3381 for(i=0; i<64; i++){
3382 int one= 36;
3383 int qns=4;
3384 int w;
3385
3386 w= FFABS(weight[i]) + qns*one;
3387 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3388
3389 weight[i] = w;
3390// w=weight[i] = (63*qns + (w/2)) / w;
3391
3392 assert(w>0);
3393 assert(w<(1<<6));
3394 sum += w*w;
3395 }
3396 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3397#ifdef REFINE_STATS
3398{START_TIMER
3399#endif
3400 run=0;
3401 rle_index=0;
3402 for(i=start_i; i<=last_non_zero; i++){
3403 int j= perm_scantable[i];
3404 const int level= block[j];
3405 int coeff;
3406
3407 if(level){
3408 if(level<0) coeff= qmul*level - qadd;
3409 else coeff= qmul*level + qadd;
3410 run_tab[rle_index++]=run;
3411 run=0;
3412
3413 s->dsp.add_8x8basis(rem, basis[j], coeff);
3414 }else{
3415 run++;
3416 }
3417 }
3418#ifdef REFINE_STATS
3419if(last_non_zero>0){
3420STOP_TIMER("init rem[]")
3421}
3422}
3423
3424{START_TIMER
3425#endif
3426 for(;;){
3427 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3428 int best_coeff=0;
3429 int best_change=0;
3430 int run2, best_unquant_change=0, analyze_gradient;
3431#ifdef REFINE_STATS
3432{START_TIMER
3433#endif
3434 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3435
3436 if(analyze_gradient){
3437#ifdef REFINE_STATS
3438{START_TIMER
3439#endif
3440 for(i=0; i<64; i++){
3441 int w= weight[i];
3442
3443 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3444 }
3445#ifdef REFINE_STATS
3446STOP_TIMER("rem*w*w")}
3447{START_TIMER
3448#endif
3449 s->dsp.fdct(d1);
3450#ifdef REFINE_STATS
3451STOP_TIMER("dct")}
3452#endif
3453 }
3454
3455 if(start_i){
3456 const int level= block[0];
3457 int change, old_coeff;
3458
3459 assert(s->mb_intra);
3460
3461 old_coeff= q*level;
3462
3463 for(change=-1; change<=1; change+=2){
3464 int new_level= level + change;
3465 int score, new_coeff;
3466
3467 new_coeff= q*new_level;
3468 if(new_coeff >= 2048 || new_coeff < 0)
3469 continue;
3470
3471 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3472 if(score<best_score){
3473 best_score= score;
3474 best_coeff= 0;
3475 best_change= change;
3476 best_unquant_change= new_coeff - old_coeff;
3477 }
3478 }
3479 }
3480
3481 run=0;
3482 rle_index=0;
3483 run2= run_tab[rle_index++];
3484 prev_level=0;
3485 prev_run=0;
3486
3487 for(i=start_i; i<64; i++){
3488 int j= perm_scantable[i];
3489 const int level= block[j];
3490 int change, old_coeff;
3491
3492 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3493 break;
3494
3495 if(level){
3496 if(level<0) old_coeff= qmul*level - qadd;
3497 else old_coeff= qmul*level + qadd;
3498 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3499 }else{
3500 old_coeff=0;
3501 run2--;
3502 assert(run2>=0 || i >= last_non_zero );
3503 }
3504
3505 for(change=-1; change<=1; change+=2){
3506 int new_level= level + change;
3507 int score, new_coeff, unquant_change;
3508
3509 score=0;
3510 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3511 continue;
3512
3513 if(new_level){
3514 if(new_level<0) new_coeff= qmul*new_level - qadd;
3515 else new_coeff= qmul*new_level + qadd;
3516 if(new_coeff >= 2048 || new_coeff <= -2048)
3517 continue;
3518 //FIXME check for overflow
3519
3520 if(level){
3521 if(level < 63 && level > -63){
3522 if(i < last_non_zero)
3523 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3524 - length[UNI_AC_ENC_INDEX(run, level+64)];
3525 else
3526 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3527 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3528 }
3529 }else{
3530 assert(FFABS(new_level)==1);
3531
3532 if(analyze_gradient){
3533 int g= d1[ scantable[i] ];
3534 if(g && (g^new_level) >= 0)
3535 continue;
3536 }
3537
3538 if(i < last_non_zero){
3539 int next_i= i + run2 + 1;
3540 int next_level= block[ perm_scantable[next_i] ] + 64;
3541
3542 if(next_level&(~127))
3543 next_level= 0;
3544
3545 if(next_i < last_non_zero)
3546 score += length[UNI_AC_ENC_INDEX(run, 65)]
3547 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3548 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3549 else
3550 score += length[UNI_AC_ENC_INDEX(run, 65)]
3551 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3552 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3553 }else{
3554 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3555 if(prev_level){
3556 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3557 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3558 }
3559 }
3560 }
3561 }else{
3562 new_coeff=0;
3563 assert(FFABS(level)==1);
3564
3565 if(i < last_non_zero){
3566 int next_i= i + run2 + 1;
3567 int next_level= block[ perm_scantable[next_i] ] + 64;
3568
3569 if(next_level&(~127))
3570 next_level= 0;
3571
3572 if(next_i < last_non_zero)
3573 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3574 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3575 - length[UNI_AC_ENC_INDEX(run, 65)];
3576 else
3577 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3578 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3579 - length[UNI_AC_ENC_INDEX(run, 65)];
3580 }else{
3581 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3582 if(prev_level){
3583 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3584 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3585 }
3586 }
3587 }
3588
3589 score *= lambda;
3590
3591 unquant_change= new_coeff - old_coeff;
3592 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3593
3594 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3595 if(score<best_score){
3596 best_score= score;
3597 best_coeff= i;
3598 best_change= change;
3599 best_unquant_change= unquant_change;
3600 }
3601 }
3602 if(level){
3603 prev_level= level + 64;
3604 if(prev_level&(~127))
3605 prev_level= 0;
3606 prev_run= run;
3607 run=0;
3608 }else{
3609 run++;
3610 }
3611 }
3612#ifdef REFINE_STATS
3613STOP_TIMER("iterative step")}
3614#endif
3615
3616 if(best_change){
3617 int j= perm_scantable[ best_coeff ];
3618
3619 block[j] += best_change;
3620
3621 if(best_coeff > last_non_zero){
3622 last_non_zero= best_coeff;
3623 assert(block[j]);
3624#ifdef REFINE_STATS
3625after_last++;
3626#endif
3627 }else{
3628#ifdef REFINE_STATS
3629if(block[j]){
3630 if(block[j] - best_change){
3631 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3632 raise++;
3633 }else{
3634 lower++;
3635 }
3636 }else{
3637 from_zero++;
3638 }
3639}else{
3640 to_zero++;
3641}
3642#endif
3643 for(; last_non_zero>=start_i; last_non_zero--){
3644 if(block[perm_scantable[last_non_zero]])
3645 break;
3646 }
3647 }
3648#ifdef REFINE_STATS
3649count++;
3650if(256*256*256*64 % count == 0){
3651 printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
3652}
3653#endif
3654 run=0;
3655 rle_index=0;
3656 for(i=start_i; i<=last_non_zero; i++){
3657 int j= perm_scantable[i];
3658 const int level= block[j];
3659
3660 if(level){
3661 run_tab[rle_index++]=run;
3662 run=0;
3663 }else{
3664 run++;
3665 }
3666 }
3667
3668 s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3669 }else{
3670 break;
3671 }
3672 }
3673#ifdef REFINE_STATS