10l, Fix YUV ljpeg that i just broke by mistake.
[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
30#include "avcodec.h"
31#include "dsputil.h"
32#include "mpegvideo.h"
33#include "mpegvideo_common.h"
34#include "mjpegenc.h"
35#include "msmpeg4.h"
eb75a698 36#include "h263.h"
3ada94ba 37#include "faandct.h"
8b22017f 38#include "aandcttab.h"
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39#include <limits.h>
40
41//#undef NDEBUG
42//#include <assert.h>
43
44static int encode_picture(MpegEncContext *s, int picture_number);
45static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
46static int sse_mb(MpegEncContext *s);
47
48/* enable all paranoid tests for rounding, overflows, etc... */
49//#define PARANOID
50
51//#define DEBUG
52
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53static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
54static uint8_t default_fcode_tab[MAX_MV*2+1];
55
69cea75f 56void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
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57 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
58{
59 int qscale;
60 int shift=0;
61
62 for(qscale=qmin; qscale<=qmax; qscale++){
63 int i;
64 if (dsp->fdct == ff_jpeg_fdct_islow
65#ifdef FAAN_POSTSCALE
66 || dsp->fdct == ff_faandct
67#endif
68 ) {
69 for(i=0;i<64;i++) {
70 const int j= dsp->idct_permutation[i];
71 /* 16 <= qscale * quant_matrix[i] <= 7905 */
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72 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
73 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
74 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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75
76 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
77 (qscale * quant_matrix[j]));
78 }
79 } else if (dsp->fdct == fdct_ifast
80#ifndef FAAN_POSTSCALE
81 || dsp->fdct == ff_faandct
82#endif
83 ) {
84 for(i=0;i<64;i++) {
85 const int j= dsp->idct_permutation[i];
86 /* 16 <= qscale * quant_matrix[i] <= 7905 */
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87 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
88 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
89 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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90
91 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
5bdf124c 92 (ff_aanscales[i] * qscale * quant_matrix[j]));
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93 }
94 } else {
95 for(i=0;i<64;i++) {
96 const int j= dsp->idct_permutation[i];
97 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
98 So 16 <= qscale * quant_matrix[i] <= 7905
99 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
100 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
101 */
102 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
103// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
104 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
105
106 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
107 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
108 }
109 }
110
111 for(i=intra; i<64; i++){
112 int64_t max= 8191;
113 if (dsp->fdct == fdct_ifast
114#ifndef FAAN_POSTSCALE
115 || dsp->fdct == ff_faandct
116#endif
117 ) {
5bdf124c 118 max = (8191LL*ff_aanscales[i]) >> 14;
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119 }
120 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
121 shift++;
122 }
123 }
124 }
125 if(shift){
126 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
127 }
128}
129
130static inline void update_qscale(MpegEncContext *s){
131 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
132 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
133
134 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
135}
136
137void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
138 int i;
139
140 if(matrix){
141 put_bits(pb, 1, 1);
142 for(i=0;i<64;i++) {
143 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
144 }
145 }else
146 put_bits(pb, 1, 0);
147}
148
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149/**
150 * init s->current_picture.qscale_table from s->lambda_table
151 */
152void ff_init_qscale_tab(MpegEncContext *s){
153 int8_t * const qscale_table= s->current_picture.qscale_table;
154 int i;
155
156 for(i=0; i<s->mb_num; i++){
157 unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
158 int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
159 qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
160 }
161}
162
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163static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
164 int i;
165
166 dst->pict_type = src->pict_type;
167 dst->quality = src->quality;
168 dst->coded_picture_number = src->coded_picture_number;
169 dst->display_picture_number = src->display_picture_number;
170// dst->reference = src->reference;
171 dst->pts = src->pts;
172 dst->interlaced_frame = src->interlaced_frame;
173 dst->top_field_first = src->top_field_first;
174
175 if(s->avctx->me_threshold){
176 if(!src->motion_val[0])
177 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
178 if(!src->mb_type)
179 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
180 if(!src->ref_index[0])
181 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
182 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
183 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
184 src->motion_subsample_log2, dst->motion_subsample_log2);
185
186 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
187
188 for(i=0; i<2; i++){
189 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
190 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
191
192 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
193 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
194 }
195 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
196 memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
197 }
198 }
199 }
200}
201
202static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
203#define COPY(a) dst->a= src->a
204 COPY(pict_type);
205 COPY(current_picture);
206 COPY(f_code);
207 COPY(b_code);
208 COPY(qscale);
209 COPY(lambda);
210 COPY(lambda2);
211 COPY(picture_in_gop_number);
212 COPY(gop_picture_number);
213 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
214 COPY(progressive_frame); //FIXME don't set in encode_header
215 COPY(partitioned_frame); //FIXME don't set in encode_header
216#undef COPY
217}
218
219/**
220 * sets the given MpegEncContext to defaults for encoding.
221 * the changed fields will not depend upon the prior state of the MpegEncContext.
222 */
223static void MPV_encode_defaults(MpegEncContext *s){
224 int i;
225 MPV_common_defaults(s);
226
227 for(i=-16; i<16; i++){
228 default_fcode_tab[i + MAX_MV]= 1;
229 }
230 s->me.mv_penalty= default_mv_penalty;
231 s->fcode_tab= default_fcode_tab;
232}
233
234/* init video encoder */
98a6fff9 235av_cold int MPV_encode_init(AVCodecContext *avctx)
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236{
237 MpegEncContext *s = avctx->priv_data;
238 int i;
239 int chroma_h_shift, chroma_v_shift;
240
241 MPV_encode_defaults(s);
242
243 switch (avctx->codec_id) {
244 case CODEC_ID_MPEG2VIDEO:
245 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
246 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
247 return -1;
248 }
249 break;
250 case CODEC_ID_LJPEG:
251 case CODEC_ID_MJPEG:
8c7f8206 252 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
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253 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
254 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
255 return -1;
256 }
257 break;
258 default:
259 if(avctx->pix_fmt != PIX_FMT_YUV420P){
260 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
261 return -1;
262 }
263 }
264
265 switch (avctx->pix_fmt) {
266 case PIX_FMT_YUVJ422P:
267 case PIX_FMT_YUV422P:
268 s->chroma_format = CHROMA_422;
269 break;
270 case PIX_FMT_YUVJ420P:
271 case PIX_FMT_YUV420P:
272 default:
273 s->chroma_format = CHROMA_420;
274 break;
275 }
276
277 s->bit_rate = avctx->bit_rate;
278 s->width = avctx->width;
279 s->height = avctx->height;
280 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
281 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
282 avctx->gop_size=600;
283 }
284 s->gop_size = avctx->gop_size;
285 s->avctx = avctx;
286 s->flags= avctx->flags;
287 s->flags2= avctx->flags2;
288 s->max_b_frames= avctx->max_b_frames;
289 s->codec_id= avctx->codec->id;
290 s->luma_elim_threshold = avctx->luma_elim_threshold;
291 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
292 s->strict_std_compliance= avctx->strict_std_compliance;
293 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
294 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
295 s->mpeg_quant= avctx->mpeg_quant;
296 s->rtp_mode= !!avctx->rtp_payload_size;
297 s->intra_dc_precision= avctx->intra_dc_precision;
298 s->user_specified_pts = AV_NOPTS_VALUE;
299
300 if (s->gop_size <= 1) {
301 s->intra_only = 1;
302 s->gop_size = 12;
303 } else {
304 s->intra_only = 0;
305 }
306
307 s->me_method = avctx->me_method;
308
309 /* Fixed QSCALE */
310 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
311
312 s->adaptive_quant= ( s->avctx->lumi_masking
313 || s->avctx->dark_masking
314 || s->avctx->temporal_cplx_masking
315 || s->avctx->spatial_cplx_masking
316 || s->avctx->p_masking
317 || s->avctx->border_masking
318 || (s->flags&CODEC_FLAG_QP_RD))
319 && !s->fixed_qscale;
320
321 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
322 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
323 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
324 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
325 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
326
327 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
328 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
329 return -1;
330 }
331
332 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
333 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
334 }
335
336 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
337 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
338 return -1;
339 }
340
341 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
342 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
343 return -1;
344 }
345
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346 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
347 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
348 }
349
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350 if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
351 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
352 return -1;
353 }
354
355 if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
356 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
357 return -1;
358 }
359
360 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
361 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
362 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
363
364 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");
365 }
366
367 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
368 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
369 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
370 return -1;
371 }
372
373 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
374 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
375 return -1;
376 }
377
378 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
379 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
380 return -1;
381 }
382
383 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
384 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
385 return -1;
386 }
387
388 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
389 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
390 return -1;
391 }
392
393 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
394 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
395 return -1;
396 }
397
398 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
399 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
400 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
401 return -1;
402 }
403
404 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
405 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
406 return -1;
407 }
408
febea2f2 409 if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
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410 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
411 return -1;
412 }
413
414 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
415 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
416 return -1;
417 }
418
419 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
7ce68923 420 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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421 return -1;
422 }
423
424 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
425 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
426 return -1;
427 }
428
429 if(s->flags & CODEC_FLAG_LOW_DELAY){
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430 if (s->codec_id != CODEC_ID_MPEG2VIDEO){
431 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
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432 return -1;
433 }
434 if (s->max_b_frames != 0){
435 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
436 return -1;
437 }
438 }
439
440 if(s->q_scale_type == 1){
441 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
442 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
443 return -1;
444 }
445 if(avctx->qmax > 12){
446 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
447 return -1;
448 }
449 }
450
451 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
452 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
453 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
454 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
455 return -1;
456 }
457
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458 if(s->avctx->thread_count < 1){
459 av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
460 return -1;
461 }
462
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463 if(s->avctx->thread_count > 1)
464 s->rtp_mode= 1;
465
466 if(!avctx->time_base.den || !avctx->time_base.num){
467 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
468 return -1;
469 }
470
471 i= (INT_MAX/2+128)>>8;
472 if(avctx->me_threshold >= i){
473 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
474 return -1;
475 }
476 if(avctx->mb_threshold >= i){
477 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
478 return -1;
479 }
480
481 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
482 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
483 avctx->b_frame_strategy = 0;
484 }
485
9ce6c138 486 i= av_gcd(avctx->time_base.den, avctx->time_base.num);
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487 if(i > 1){
488 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
489 avctx->time_base.den /= i;
490 avctx->time_base.num /= i;
491// return -1;
492 }
493
494 if(s->codec_id==CODEC_ID_MJPEG){
495 s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
496 s->inter_quant_bias= 0;
497 }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
498 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
499 s->inter_quant_bias= 0;
500 }else{
501 s->intra_quant_bias=0;
502 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
503 }
504
505 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
506 s->intra_quant_bias= avctx->intra_quant_bias;
507 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
508 s->inter_quant_bias= avctx->inter_quant_bias;
509
510 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
511
512 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
513 av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
514 return -1;
515 }
516 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
517
518 switch(avctx->codec->id) {
519 case CODEC_ID_MPEG1VIDEO:
520 s->out_format = FMT_MPEG1;
521 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
522 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
523 break;
524 case CODEC_ID_MPEG2VIDEO:
525 s->out_format = FMT_MPEG1;
526 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
527 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
528 s->rtp_mode= 1;
529 break;
530 case CODEC_ID_LJPEG:
531 case CODEC_ID_MJPEG:
532 s->out_format = FMT_MJPEG;
533 s->intra_only = 1; /* force intra only for jpeg */
401e0a74 534 if(avctx->codec->id == CODEC_ID_MJPEG || avctx->pix_fmt != PIX_FMT_BGRA){
3ada94ba
BF
535 s->mjpeg_vsample[0] = 2;
536 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
537 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
538 s->mjpeg_hsample[0] = 2;
539 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
540 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
e0b176ad
MN
541 }else{
542 s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
543 s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
544 s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
545 }
49fb20cb 546 if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
3ada94ba
BF
547 || ff_mjpeg_encode_init(s) < 0)
548 return -1;
549 avctx->delay=0;
550 s->low_delay=1;
551 break;
552 case CODEC_ID_H261:
49fb20cb 553 if (!CONFIG_H261_ENCODER) return -1;
3ada94ba
BF
554 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
555 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);
556 return -1;
557 }
558 s->out_format = FMT_H261;
559 avctx->delay=0;
560 s->low_delay=1;
561 break;
562 case CODEC_ID_H263:
49fb20cb 563 if (!CONFIG_H263_ENCODER) return -1;
3ada94ba
BF
564 if (h263_get_picture_format(s->width, s->height) == 7) {
565 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);
566 return -1;
567 }
568 s->out_format = FMT_H263;
569 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
570 avctx->delay=0;
571 s->low_delay=1;
572 break;
573 case CODEC_ID_H263P:
574 s->out_format = FMT_H263;
575 s->h263_plus = 1;
576 /* Fx */
577 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
578 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
579 s->modified_quant= s->h263_aic;
580 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
581 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
582 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
583 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
584 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
585
586 /* /Fx */
587 /* These are just to be sure */
588 avctx->delay=0;
589 s->low_delay=1;
590 break;
591 case CODEC_ID_FLV1:
592 s->out_format = FMT_H263;
593 s->h263_flv = 2; /* format = 1; 11-bit codes */
594 s->unrestricted_mv = 1;
595 s->rtp_mode=0; /* don't allow GOB */
596 avctx->delay=0;
597 s->low_delay=1;
598 break;
599 case CODEC_ID_RV10:
600 s->out_format = FMT_H263;
601 avctx->delay=0;
602 s->low_delay=1;
603 break;
604 case CODEC_ID_RV20:
605 s->out_format = FMT_H263;
606 avctx->delay=0;
607 s->low_delay=1;
608 s->modified_quant=1;
609 s->h263_aic=1;
610 s->h263_plus=1;
611 s->loop_filter=1;
612 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
613 break;
614 case CODEC_ID_MPEG4:
615 s->out_format = FMT_H263;
616 s->h263_pred = 1;
617 s->unrestricted_mv = 1;
618 s->low_delay= s->max_b_frames ? 0 : 1;
619 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
620 break;
621 case CODEC_ID_MSMPEG4V1:
622 s->out_format = FMT_H263;
623 s->h263_msmpeg4 = 1;
624 s->h263_pred = 1;
625 s->unrestricted_mv = 1;
626 s->msmpeg4_version= 1;
627 avctx->delay=0;
628 s->low_delay=1;
629 break;
630 case CODEC_ID_MSMPEG4V2:
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= 2;
636 avctx->delay=0;
637 s->low_delay=1;
638 break;
639 case CODEC_ID_MSMPEG4V3:
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= 3;
645 s->flipflop_rounding=1;
646 avctx->delay=0;
647 s->low_delay=1;
648 break;
649 case CODEC_ID_WMV1:
650 s->out_format = FMT_H263;
651 s->h263_msmpeg4 = 1;
652 s->h263_pred = 1;
653 s->unrestricted_mv = 1;
654 s->msmpeg4_version= 4;
655 s->flipflop_rounding=1;
656 avctx->delay=0;
657 s->low_delay=1;
658 break;
659 case CODEC_ID_WMV2:
660 s->out_format = FMT_H263;
661 s->h263_msmpeg4 = 1;
662 s->h263_pred = 1;
663 s->unrestricted_mv = 1;
664 s->msmpeg4_version= 5;
665 s->flipflop_rounding=1;
666 avctx->delay=0;
667 s->low_delay=1;
668 break;
669 default:
670 return -1;
671 }
672
673 avctx->has_b_frames= !s->low_delay;
674
675 s->encoding = 1;
676
01bc48f4
BC
677 s->progressive_frame=
678 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
679
3ada94ba
BF
680 /* init */
681 if (MPV_common_init(s) < 0)
682 return -1;
683
53727262
AJ
684 if(!s->dct_quantize)
685 s->dct_quantize = dct_quantize_c;
686 if(!s->denoise_dct)
687 s->denoise_dct = denoise_dct_c;
688 s->fast_dct_quantize = s->dct_quantize;
febea2f2 689 if(avctx->trellis)
53727262
AJ
690 s->dct_quantize = dct_quantize_trellis_c;
691
49fb20cb 692 if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
3ada94ba 693 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
01bc48f4 694
3ada94ba
BF
695 s->quant_precision=5;
696
697 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
698 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
699
49fb20cb 700 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
3ada94ba 701 ff_h261_encode_init(s);
49fb20cb 702 if (CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba 703 h263_encode_init(s);
49fb20cb 704 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
3ada94ba 705 ff_msmpeg4_encode_init(s);
49fb20cb 706 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
a6bc5731 707 && s->out_format == FMT_MPEG1)
3ada94ba
BF
708 ff_mpeg1_encode_init(s);
709
710 /* init q matrix */
711 for(i=0;i<64;i++) {
712 int j= s->dsp.idct_permutation[i];
49fb20cb 713 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
3ada94ba
BF
714 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
715 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
716 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
717 s->intra_matrix[j] =
718 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
719 }else
720 { /* mpeg1/2 */
721 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
722 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
723 }
724 if(s->avctx->intra_matrix)
725 s->intra_matrix[j] = s->avctx->intra_matrix[i];
726 if(s->avctx->inter_matrix)
727 s->inter_matrix[j] = s->avctx->inter_matrix[i];
728 }
729
730 /* precompute matrix */
731 /* for mjpeg, we do include qscale in the matrix */
732 if (s->out_format != FMT_MJPEG) {
69cea75f 733 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba 734 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
69cea75f 735 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
3ada94ba
BF
736 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
737 }
738
739 if(ff_rate_control_init(s) < 0)
740 return -1;
741
742 return 0;
743}
744
98a6fff9 745av_cold int MPV_encode_end(AVCodecContext *avctx)
3ada94ba
BF
746{
747 MpegEncContext *s = avctx->priv_data;
748
749 ff_rate_control_uninit(s);
750
751 MPV_common_end(s);
49fb20cb 752 if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
3ada94ba
BF
753 ff_mjpeg_encode_close(s);
754
755 av_freep(&avctx->extradata);
756
757 return 0;
758}
759
760static int get_sae(uint8_t *src, int ref, int stride){
761 int x,y;
762 int acc=0;
763
764 for(y=0; y<16; y++){
765 for(x=0; x<16; x++){
766 acc+= FFABS(src[x+y*stride] - ref);
767 }
768 }
769
770 return acc;
771}
772
773static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
774 int x, y, w, h;
775 int acc=0;
776
777 w= s->width &~15;
778 h= s->height&~15;
779
780 for(y=0; y<h; y+=16){
781 for(x=0; x<w; x+=16){
782 int offset= x + y*stride;
783 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
784 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
785 int sae = get_sae(src + offset, mean, stride);
786
787 acc+= sae + 500 < sad;
788 }
789 }
790 return acc;
791}
792
793
794static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
795 AVFrame *pic=NULL;
796 int64_t pts;
797 int i;
798 const int encoding_delay= s->max_b_frames;
799 int direct=1;
800
801 if(pic_arg){
802 pts= pic_arg->pts;
803 pic_arg->display_picture_number= s->input_picture_number++;
804
805 if(pts != AV_NOPTS_VALUE){
806 if(s->user_specified_pts != AV_NOPTS_VALUE){
807 int64_t time= pts;
808 int64_t last= s->user_specified_pts;
809
810 if(time <= last){
811 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
812 return -1;
813 }
814 }
815 s->user_specified_pts= pts;
816 }else{
817 if(s->user_specified_pts != AV_NOPTS_VALUE){
818 s->user_specified_pts=
819 pts= s->user_specified_pts + 1;
820 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
821 }else{
822 pts= pic_arg->display_picture_number;
823 }
824 }
825 }
826
827 if(pic_arg){
828 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
829 if(pic_arg->linesize[0] != s->linesize) direct=0;
830 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
831 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
832
833// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
834
835 if(direct){
836 i= ff_find_unused_picture(s, 1);
837
838 pic= (AVFrame*)&s->picture[i];
839 pic->reference= 3;
840
841 for(i=0; i<4; i++){
842 pic->data[i]= pic_arg->data[i];
843 pic->linesize[i]= pic_arg->linesize[i];
844 }
a4a750d3 845 ff_alloc_picture(s, (Picture*)pic, 1);
3ada94ba
BF
846 }else{
847 i= ff_find_unused_picture(s, 0);
848
849 pic= (AVFrame*)&s->picture[i];
850 pic->reference= 3;
851
a4a750d3 852 ff_alloc_picture(s, (Picture*)pic, 0);
3ada94ba
BF
853
854 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
855 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
856 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
857 // empty
858 }else{
859 int h_chroma_shift, v_chroma_shift;
860 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
861
862 for(i=0; i<3; i++){
863 int src_stride= pic_arg->linesize[i];
864 int dst_stride= i ? s->uvlinesize : s->linesize;
865 int h_shift= i ? h_chroma_shift : 0;
866 int v_shift= i ? v_chroma_shift : 0;
867 int w= s->width >>h_shift;
868 int h= s->height>>v_shift;
869 uint8_t *src= pic_arg->data[i];
870 uint8_t *dst= pic->data[i];
871
872 if(!s->avctx->rc_buffer_size)
873 dst +=INPLACE_OFFSET;
874
875 if(src_stride==dst_stride)
876 memcpy(dst, src, src_stride*h);
877 else{
878 while(h--){
879 memcpy(dst, src, w);
880 dst += dst_stride;
881 src += src_stride;
882 }
883 }
884 }
885 }
886 }
887 copy_picture_attributes(s, pic, pic_arg);
888 pic->pts= pts; //we set this here to avoid modifiying pic_arg
889 }
890
891 /* shift buffer entries */
892 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
893 s->input_picture[i-1]= s->input_picture[i];
894
895 s->input_picture[encoding_delay]= (Picture*)pic;
896
897 return 0;
898}
899
900static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
901 int x, y, plane;
902 int score=0;
903 int64_t score64=0;
904
905 for(plane=0; plane<3; plane++){
906 const int stride= p->linesize[plane];
907 const int bw= plane ? 1 : 2;
908 for(y=0; y<s->mb_height*bw; y++){
909 for(x=0; x<s->mb_width*bw; x++){
910 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
911 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);
912
913 switch(s->avctx->frame_skip_exp){
914 case 0: score= FFMAX(score, v); break;
915 case 1: score+= FFABS(v);break;
916 case 2: score+= v*v;break;
917 case 3: score64+= FFABS(v*v*(int64_t)v);break;
918 case 4: score64+= v*v*(int64_t)(v*v);break;
919 }
920 }
921 }
922 }
923
924 if(score) score64= score;
925
926 if(score64 < s->avctx->frame_skip_threshold)
927 return 1;
928 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
929 return 1;
930 return 0;
931}
932
933static int estimate_best_b_count(MpegEncContext *s){
934 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
935 AVCodecContext *c= avcodec_alloc_context();
936 AVFrame input[FF_MAX_B_FRAMES+2];
937 const int scale= s->avctx->brd_scale;
938 int i, j, out_size, p_lambda, b_lambda, lambda2;
939 int outbuf_size= s->width * s->height; //FIXME
940 uint8_t *outbuf= av_malloc(outbuf_size);
941 int64_t best_rd= INT64_MAX;
942 int best_b_count= -1;
943
944 assert(scale>=0 && scale <=3);
945
946// emms_c();
9701840b
AJ
947 p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
948 b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
3ada94ba
BF
949 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
950 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
951
952 c->width = s->width >> scale;
953 c->height= s->height>> scale;
954 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
955 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
956 c->mb_decision= s->avctx->mb_decision;
957 c->me_cmp= s->avctx->me_cmp;
958 c->mb_cmp= s->avctx->mb_cmp;
959 c->me_sub_cmp= s->avctx->me_sub_cmp;
960 c->pix_fmt = PIX_FMT_YUV420P;
961 c->time_base= s->avctx->time_base;
962 c->max_b_frames= s->max_b_frames;
963
964 if (avcodec_open(c, codec) < 0)
965 return -1;
966
967 for(i=0; i<s->max_b_frames+2; i++){
968 int ysize= c->width*c->height;
969 int csize= (c->width/2)*(c->height/2);
970 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
971
972 avcodec_get_frame_defaults(&input[i]);
973 input[i].data[0]= av_malloc(ysize + 2*csize);
974 input[i].data[1]= input[i].data[0] + ysize;
975 input[i].data[2]= input[i].data[1] + csize;
976 input[i].linesize[0]= c->width;
977 input[i].linesize[1]=
978 input[i].linesize[2]= c->width/2;
979
980 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
981 pre_input= *pre_input_ptr;
982
983 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
984 pre_input.data[0]+=INPLACE_OFFSET;
985 pre_input.data[1]+=INPLACE_OFFSET;
986 pre_input.data[2]+=INPLACE_OFFSET;
987 }
988
989 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
990 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);
991 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);
992 }
993 }
994
995 for(j=0; j<s->max_b_frames+1; j++){
996 int64_t rd=0;
997
998 if(!s->input_picture[j])
999 break;
1000
1001 c->error[0]= c->error[1]= c->error[2]= 0;
1002
9701840b 1003 input[0].pict_type= FF_I_TYPE;
3ada94ba
BF
1004 input[0].quality= 1 * FF_QP2LAMBDA;
1005 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1006// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1007
1008 for(i=0; i<s->max_b_frames+1; i++){
1009 int is_p= i % (j+1) == j || i==s->max_b_frames;
1010
9701840b 1011 input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
3ada94ba
BF
1012 input[i+1].quality= is_p ? p_lambda : b_lambda;
1013 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1014 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1015 }
1016
1017 /* get the delayed frames */
1018 while(out_size){
1019 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1020 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1021 }
1022
1023 rd += c->error[0] + c->error[1] + c->error[2];
1024
1025 if(rd < best_rd){
1026 best_rd= rd;
1027 best_b_count= j;
1028 }
1029 }
1030
1031 av_freep(&outbuf);
1032 avcodec_close(c);
1033 av_freep(&c);
1034
1035 for(i=0; i<s->max_b_frames+2; i++){
1036 av_freep(&input[i].data[0]);
1037 }
1038
1039 return best_b_count;
1040}
1041
1042static void select_input_picture(MpegEncContext *s){
1043 int i;
1044
1045 for(i=1; i<MAX_PICTURE_COUNT; i++)
1046 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1047 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1048
1049 /* set next picture type & ordering */
1050 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1051 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1052 s->reordered_input_picture[0]= s->input_picture[0];
9701840b 1053 s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
3ada94ba
BF
1054 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1055 }else{
1056 int b_frames;
1057
1058 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1059 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1060 //FIXME check that te gop check above is +-1 correct
1061//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1062
1063 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1064 for(i=0; i<4; i++)
1065 s->input_picture[0]->data[i]= NULL;
1066 s->input_picture[0]->type= 0;
1067 }else{
1068 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1069 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1070
1071 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1072 }
1073
1074 emms_c();
1075 ff_vbv_update(s, 0);
1076
1077 goto no_output_pic;
1078 }
1079 }
1080
1081 if(s->flags&CODEC_FLAG_PASS2){
1082 for(i=0; i<s->max_b_frames+1; i++){
1083 int pict_num= s->input_picture[0]->display_picture_number + i;
1084
1085 if(pict_num >= s->rc_context.num_entries)
1086 break;
1087 if(!s->input_picture[i]){
9701840b 1088 s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
3ada94ba
BF
1089 break;
1090 }
1091
1092 s->input_picture[i]->pict_type=
1093 s->rc_context.entry[pict_num].new_pict_type;
1094 }
1095 }
1096
1097 if(s->avctx->b_frame_strategy==0){
1098 b_frames= s->max_b_frames;
1099 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1100 }else if(s->avctx->b_frame_strategy==1){
1101 for(i=1; i<s->max_b_frames+1; i++){
1102 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1103 s->input_picture[i]->b_frame_score=
1104 get_intra_count(s, s->input_picture[i ]->data[0],
1105 s->input_picture[i-1]->data[0], s->linesize) + 1;
1106 }
1107 }
1108 for(i=0; i<s->max_b_frames+1; i++){
1109 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1110 }
1111
1112 b_frames= FFMAX(0, i-1);
1113
1114 /* reset scores */
1115 for(i=0; i<b_frames+1; i++){
1116 s->input_picture[i]->b_frame_score=0;
1117 }
1118 }else if(s->avctx->b_frame_strategy==2){
1119 b_frames= estimate_best_b_count(s);
1120 }else{
1121 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1122 b_frames=0;
1123 }
1124
1125 emms_c();
1126//static int b_count=0;
1127//b_count+= b_frames;
1128//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1129
1130 for(i= b_frames - 1; i>=0; i--){
1131 int type= s->input_picture[i]->pict_type;
9701840b 1132 if(type && type != FF_B_TYPE)
3ada94ba
BF
1133 b_frames= i;
1134 }
9701840b 1135 if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
3ada94ba
BF
1136 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1137 }
1138
1139 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1140 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1141 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1142 }else{
1143 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1144 b_frames=0;
9701840b 1145 s->input_picture[b_frames]->pict_type= FF_I_TYPE;
3ada94ba
BF
1146 }
1147 }
1148
1149 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1150 && b_frames
9701840b 1151 && s->input_picture[b_frames]->pict_type== FF_I_TYPE)
3ada94ba
BF
1152 b_frames--;
1153
1154 s->reordered_input_picture[0]= s->input_picture[b_frames];
9701840b
AJ
1155 if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1156 s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
3ada94ba
BF
1157 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1158 for(i=0; i<b_frames; i++){
1159 s->reordered_input_picture[i+1]= s->input_picture[i];
9701840b 1160 s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
3ada94ba
BF
1161 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1162 }
1163 }
1164 }
1165no_output_pic:
1166 if(s->reordered_input_picture[0]){
9701840b 1167 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
3ada94ba 1168
8d2fc163 1169 ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
3ada94ba
BF
1170
1171 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1172 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1173
1174 int i= ff_find_unused_picture(s, 0);
1175 Picture *pic= &s->picture[i];
1176
1177 pic->reference = s->reordered_input_picture[0]->reference;
a4a750d3 1178 ff_alloc_picture(s, pic, 0);
3ada94ba
BF
1179
1180 /* mark us unused / free shared pic */
1181 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1182 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1183 for(i=0; i<4; i++)
1184 s->reordered_input_picture[0]->data[i]= NULL;
1185 s->reordered_input_picture[0]->type= 0;
1186
1187 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1188
1189 s->current_picture_ptr= pic;
1190 }else{
1191 // input is not a shared pix -> reuse buffer for current_pix
1192
1193 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1194 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1195
1196 s->current_picture_ptr= s->reordered_input_picture[0];
1197 for(i=0; i<4; i++){
1198 s->new_picture.data[i]+= INPLACE_OFFSET;
1199 }
1200 }
8d2fc163 1201 ff_copy_picture(&s->current_picture, s->current_picture_ptr);
3ada94ba
BF
1202
1203 s->picture_number= s->new_picture.display_picture_number;
1204//printf("dpn:%d\n", s->picture_number);
1205 }else{
1206 memset(&s->new_picture, 0, sizeof(Picture));
1207 }
1208}
1209
1210int MPV_encode_picture(AVCodecContext *avctx,
1211 unsigned char *buf, int buf_size, void *data)
1212{
1213 MpegEncContext *s = avctx->priv_data;
1214 AVFrame *pic_arg = data;
1215 int i, stuffing_count;
1216
1217 for(i=0; i<avctx->thread_count; i++){
1218 int start_y= s->thread_context[i]->start_mb_y;
1219 int end_y= s->thread_context[i]-> end_mb_y;
1220 int h= s->mb_height;
1221 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1222 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1223
1224 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1225 }
1226
1227 s->picture_in_gop_number++;
1228
1229 if(load_input_picture(s, pic_arg) < 0)
1230 return -1;
1231
1232 select_input_picture(s);
1233
1234 /* output? */
1235 if(s->new_picture.data[0]){
1236 s->pict_type= s->new_picture.pict_type;
1237//emms_c();
1238//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1239 MPV_frame_start(s, avctx);
1240vbv_retry:
1241 if (encode_picture(s, s->picture_number) < 0)
1242 return -1;
1243
3ada94ba
BF
1244 avctx->header_bits = s->header_bits;
1245 avctx->mv_bits = s->mv_bits;
1246 avctx->misc_bits = s->misc_bits;
1247 avctx->i_tex_bits = s->i_tex_bits;
1248 avctx->p_tex_bits = s->p_tex_bits;
1249 avctx->i_count = s->i_count;
1250 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1251 avctx->skip_count = s->skip_count;
1252
1253 MPV_frame_end(s);
1254
49fb20cb 1255 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
3ada94ba
BF
1256 ff_mjpeg_encode_picture_trailer(s);
1257
1258 if(avctx->rc_buffer_size){
1259 RateControlContext *rcc= &s->rc_context;
3bff4d8b 1260 int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
3ada94ba
BF
1261
1262 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1263 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1264 if(s->adaptive_quant){
1265 int i;
1266 for(i=0; i<s->mb_height*s->mb_stride; i++)
1267 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1268 }
1269 s->mb_skipped = 0; //done in MPV_frame_start()
9701840b 1270 if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
3ada94ba
BF
1271 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1272 s->no_rounding ^= 1;
1273 }
9701840b 1274 if(s->pict_type!=FF_B_TYPE){
3ada94ba
BF
1275 s->time_base= s->last_time_base;
1276 s->last_non_b_time= s->time - s->pp_time;
1277 }
1278// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1279 for(i=0; i<avctx->thread_count; i++){
1280 PutBitContext *pb= &s->thread_context[i]->pb;
1281 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1282 }
1283 goto vbv_retry;
1284 }
1285
1286 assert(s->avctx->rc_max_rate);
1287 }
1288
1289 if(s->flags&CODEC_FLAG_PASS1)
1290 ff_write_pass1_stats(s);
1291
1292 for(i=0; i<4; i++){
1293 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1294 avctx->error[i] += s->current_picture_ptr->error[i];
1295 }
1296
1297 if(s->flags&CODEC_FLAG_PASS1)
1298 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1299 flush_put_bits(&s->pb);
1300 s->frame_bits = put_bits_count(&s->pb);
1301
1302 stuffing_count= ff_vbv_update(s, s->frame_bits);
1303 if(stuffing_count){
1304 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1305 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1306 return -1;
1307 }
1308
1309 switch(s->codec_id){
1310 case CODEC_ID_MPEG1VIDEO:
1311 case CODEC_ID_MPEG2VIDEO:
1312 while(stuffing_count--){
1313 put_bits(&s->pb, 8, 0);
1314 }
1315 break;
1316 case CODEC_ID_MPEG4:
1317 put_bits(&s->pb, 16, 0);
1318 put_bits(&s->pb, 16, 0x1C3);
1319 stuffing_count -= 4;
1320 while(stuffing_count--){
1321 put_bits(&s->pb, 8, 0xFF);
1322 }
1323 break;
1324 default:
1325 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1326 }
1327 flush_put_bits(&s->pb);
1328 s->frame_bits = put_bits_count(&s->pb);
1329 }
1330
1331 /* update mpeg1/2 vbv_delay for CBR */
1332 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1333 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
4601e76a
MN
1334 int vbv_delay, min_delay;
1335 double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1336 int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1337 double bits = s->rc_context.buffer_index + minbits - inbits;
1338
1339 if(bits<0)
1340 av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
3ada94ba
BF
1341
1342 assert(s->repeat_first_field==0);
1343
4601e76a
MN
1344 vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
1345 min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1346
1347 vbv_delay= FFMAX(vbv_delay, min_delay);
1348
3ada94ba
BF
1349 assert(vbv_delay < 0xFFFF);
1350
1351 s->vbv_delay_ptr[0] &= 0xF8;
1352 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1353 s->vbv_delay_ptr[1] = vbv_delay>>5;
1354 s->vbv_delay_ptr[2] &= 0x07;
1355 s->vbv_delay_ptr[2] |= vbv_delay<<3;
1356 }
1357 s->total_bits += s->frame_bits;
1358 avctx->frame_bits = s->frame_bits;
1359 }else{
fb53b4a0 1360 assert((put_bits_ptr(&s->pb) == s->pb.buf));
3ada94ba
BF
1361 s->frame_bits=0;
1362 }
1363 assert((s->frame_bits&7)==0);
1364
1365 return s->frame_bits/8;
1366}
1367
1368static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1369{
1370 static const char tab[64]=
1371 {3,2,2,1,1,1,1,1,
1372 1,1,1,1,1,1,1,1,
1373 1,1,1,1,1,1,1,1,
1374 0,0,0,0,0,0,0,0,
1375 0,0,0,0,0,0,0,0,
1376 0,0,0,0,0,0,0,0,
1377 0,0,0,0,0,0,0,0,
1378 0,0,0,0,0,0,0,0};
1379 int score=0;
1380 int run=0;
1381 int i;
1382 DCTELEM *block= s->block[n];
1383 const int last_index= s->block_last_index[n];
1384 int skip_dc;
1385
1386 if(threshold<0){
1387 skip_dc=0;
1388 threshold= -threshold;
1389 }else
1390 skip_dc=1;
1391
bd107136 1392 /* Are all we could set to zero already zero? */
3ada94ba
BF
1393 if(last_index<=skip_dc - 1) return;
1394
1395 for(i=0; i<=last_index; i++){
1396 const int j = s->intra_scantable.permutated[i];
1397 const int level = FFABS(block[j]);
1398 if(level==1){
1399 if(skip_dc && i==0) continue;
1400 score+= tab[run];
1401 run=0;
1402 }else if(level>1){
1403 return;
1404 }else{
1405 run++;
1406 }
1407 }
1408 if(score >= threshold) return;
1409 for(i=skip_dc; i<=last_index; i++){
1410 const int j = s->intra_scantable.permutated[i];
1411 block[j]=0;
1412 }
1413 if(block[0]) s->block_last_index[n]= 0;
1414 else s->block_last_index[n]= -1;
1415}
1416
1417static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1418{
1419 int i;
1420 const int maxlevel= s->max_qcoeff;
1421 const int minlevel= s->min_qcoeff;
1422 int overflow=0;
1423
1424 if(s->mb_intra){
1425 i=1; //skip clipping of intra dc
1426 }else
1427 i=0;
1428
1429 for(;i<=last_index; i++){
1430 const int j= s->intra_scantable.permutated[i];
1431 int level = block[j];
1432
1433 if (level>maxlevel){
1434 level=maxlevel;
1435 overflow++;
1436 }else if(level<minlevel){
1437 level=minlevel;
1438 overflow++;
1439 }
1440
1441 block[j]= level;
1442 }
1443
1444 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1445 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1446}
1447
f073a393 1448static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
3ada94ba
BF
1449 int x, y;
1450//FIXME optimize
1451 for(y=0; y<8; y++){
1452 for(x=0; x<8; x++){
1453 int x2, y2;
1454 int sum=0;
1455 int sqr=0;
1456 int count=0;
1457
1458 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1459 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1460 int v= ptr[x2 + y2*stride];
1461 sum += v;
1462 sqr += v*v;
1463 count++;
1464 }
1465 }
1466 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1467 }
1468 }
1469}
1470
1471static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1472{
1473 int16_t weight[8][64];
1474 DCTELEM orig[8][64];
1475 const int mb_x= s->mb_x;
1476 const int mb_y= s->mb_y;
1477 int i;
1478 int skip_dct[8];
1479 int dct_offset = s->linesize*8; //default for progressive frames
1480 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1481 int wrap_y, wrap_c;
1482
1483 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1484
1485 if(s->adaptive_quant){
1486 const int last_qp= s->qscale;
1487 const int mb_xy= mb_x + mb_y*s->mb_stride;
1488
1489 s->lambda= s->lambda_table[mb_xy];
1490 update_qscale(s);
1491
1492 if(!(s->flags&CODEC_FLAG_QP_RD)){
1493 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1494 s->dquant= s->qscale - last_qp;
1495
1496 if(s->out_format==FMT_H263){
1497 s->dquant= av_clip(s->dquant, -2, 2);
1498
1499 if(s->codec_id==CODEC_ID_MPEG4){
1500 if(!s->mb_intra){
9701840b 1501 if(s->pict_type == FF_B_TYPE){
3ada94ba
BF
1502 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1503 s->dquant= 0;
1504 }
1505 if(s->mv_type==MV_TYPE_8X8)
1506 s->dquant=0;
1507 }
1508 }
1509 }
1510 }
1511 ff_set_qscale(s, last_qp + s->dquant);
1512 }else if(s->flags&CODEC_FLAG_QP_RD)
1513 ff_set_qscale(s, s->qscale + s->dquant);
1514
1515 wrap_y = s->linesize;
1516 wrap_c = s->uvlinesize;
1517 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1518 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1519 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1520
1521 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1522 uint8_t *ebuf= s->edge_emu_buffer + 32;
1523 ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1524 ptr_y= ebuf;
1525 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);
1526 ptr_cb= ebuf+18*wrap_y;
1527 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);
1528 ptr_cr= ebuf+18*wrap_y+8;
1529 }
1530
1531 if (s->mb_intra) {
1532 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1533 int progressive_score, interlaced_score;
1534
1535 s->interlaced_dct=0;
1536 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1537 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1538
1539 if(progressive_score > 0){
1540 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1541 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1542 if(progressive_score > interlaced_score){
1543 s->interlaced_dct=1;
1544
1545 dct_offset= wrap_y;
1546 wrap_y<<=1;
1547 if (s->chroma_format == CHROMA_422)
1548 wrap_c<<=1;
1549 }
1550 }
1551 }
1552
1553 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1554 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1555 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1556 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1557
1558 if(s->flags&CODEC_FLAG_GRAY){
1559 skip_dct[4]= 1;
1560 skip_dct[5]= 1;
1561 }else{
1562 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1563 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1564 if(!s->chroma_y_shift){ /* 422 */
1565 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1566 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1567 }
1568 }
1569 }else{
1570 op_pixels_func (*op_pix)[4];
1571 qpel_mc_func (*op_qpix)[16];
1572 uint8_t *dest_y, *dest_cb, *dest_cr;
1573
1574 dest_y = s->dest[0];
1575 dest_cb = s->dest[1];
1576 dest_cr = s->dest[2];
1577
9701840b 1578 if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
3ada94ba
BF
1579 op_pix = s->dsp.put_pixels_tab;
1580 op_qpix= s->dsp.put_qpel_pixels_tab;
1581 }else{
1582 op_pix = s->dsp.put_no_rnd_pixels_tab;
1583 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1584 }
1585
1586 if (s->mv_dir & MV_DIR_FORWARD) {
1587 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1588 op_pix = s->dsp.avg_pixels_tab;
1589 op_qpix= s->dsp.avg_qpel_pixels_tab;
1590 }
1591 if (s->mv_dir & MV_DIR_BACKWARD) {
1592 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1593 }
1594
1595 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1596 int progressive_score, interlaced_score;
1597
1598 s->interlaced_dct=0;
1599 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1600 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1601
1602 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1603
1604 if(progressive_score>0){
1605 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1606 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1607
1608 if(progressive_score > interlaced_score){
1609 s->interlaced_dct=1;
1610
1611 dct_offset= wrap_y;
1612 wrap_y<<=1;
1613 if (s->chroma_format == CHROMA_422)
1614 wrap_c<<=1;
1615 }
1616 }
1617 }
1618
1619 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1620 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1621 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1622 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1623
1624 if(s->flags&CODEC_FLAG_GRAY){
1625 skip_dct[4]= 1;
1626 skip_dct[5]= 1;
1627 }else{
1628 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1629 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1630 if(!s->chroma_y_shift){ /* 422 */
1631 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1632 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1633 }
1634 }
1635 /* pre quantization */
1636 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1637 //FIXME optimize
1638 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1639 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1640 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1641 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;
1642 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1643 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1644 if(!s->chroma_y_shift){ /* 422 */
1645 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;
1646 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;
1647 }
1648 }
1649 }
1650
1651 if(s->avctx->quantizer_noise_shaping){
f073a393
DB
1652 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1653 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1654 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1655 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1656 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1657 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
3ada94ba 1658 if(!s->chroma_y_shift){ /* 422 */
f073a393
DB
1659 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1660 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
3ada94ba
BF
1661 }
1662 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1663 }
1664
1665 /* DCT & quantize */
1666 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1667 {
1668 for(i=0;i<mb_block_count;i++) {
1669 if(!skip_dct[i]){
1670 int overflow;
1671 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1672 // FIXME we could decide to change to quantizer instead of clipping
1673 // JS: I don't think that would be a good idea it could lower quality instead
1674 // of improve it. Just INTRADC clipping deserves changes in quantizer
1675 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1676 }else
1677 s->block_last_index[i]= -1;
1678 }
1679 if(s->avctx->quantizer_noise_shaping){
1680 for(i=0;i<mb_block_count;i++) {
1681 if(!skip_dct[i]){
1682 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1683 }
1684 }
1685 }
1686
1687 if(s->luma_elim_threshold && !s->mb_intra)
1688 for(i=0; i<4; i++)
1689 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1690 if(s->chroma_elim_threshold && !s->mb_intra)
1691 for(i=4; i<mb_block_count; i++)
1692 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1693
1694 if(s->flags & CODEC_FLAG_CBP_RD){
1695 for(i=0;i<mb_block_count;i++) {
1696 if(s->block_last_index[i] == -1)
1697 s->coded_score[i]= INT_MAX/256;
1698 }
1699 }
1700 }
1701
1702 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1703 s->block_last_index[4]=
1704 s->block_last_index[5]= 0;
1705 s->block[4][0]=
1706 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1707 }
1708
1709 //non c quantize code returns incorrect block_last_index FIXME
1710 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1711 for(i=0; i<mb_block_count; i++){
1712 int j;
1713 if(s->block_last_index[i]>0){
1714 for(j=63; j>0; j--){
1715 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1716 }
1717 s->block_last_index[i]= j;
1718 }
1719 }
1720 }
1721
1722 /* huffman encode */
1723 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1724 case CODEC_ID_MPEG1VIDEO:
1725 case CODEC_ID_MPEG2VIDEO:
49fb20cb 1726 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
56be950a
AJ
1727 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1728 break;
3ada94ba 1729 case CODEC_ID_MPEG4:
49fb20cb 1730 if (CONFIG_MPEG4_ENCODER)
674eeb5f
AJ
1731 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1732 break;
3ada94ba
BF
1733 case CODEC_ID_MSMPEG4V2:
1734 case CODEC_ID_MSMPEG4V3:
1735 case CODEC_ID_WMV1:
49fb20cb 1736 if (CONFIG_MSMPEG4_ENCODER)
3ada94ba
BF
1737 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1738 break;
1739 case CODEC_ID_WMV2:
49fb20cb 1740 if (CONFIG_WMV2_ENCODER)
3ada94ba
BF
1741 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1742 break;
1743 case CODEC_ID_H261:
49fb20cb 1744 if (CONFIG_H261_ENCODER)
3ada94ba
BF
1745 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1746 break;
1747 case CODEC_ID_H263:
1748 case CODEC_ID_H263P:
1749 case CODEC_ID_FLV1:
1750 case CODEC_ID_RV10:
1751 case CODEC_ID_RV20:
0bd48530 1752 if (CONFIG_H263_ENCODER)
674eeb5f
AJ
1753 h263_encode_mb(s, s->block, motion_x, motion_y);
1754 break;
3ada94ba 1755 case CODEC_ID_MJPEG:
49fb20cb 1756 if (CONFIG_MJPEG_ENCODER)
3ada94ba
BF
1757 ff_mjpeg_encode_mb(s, s->block);
1758 break;
1759 default:
1760 assert(0);
1761 }
1762}
1763
1764static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1765{
1766 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1767 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1768}
1769
3ada94ba
BF
1770static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1771 int i;
1772
1773 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1774
1775 /* mpeg1 */
1776 d->mb_skip_run= s->mb_skip_run;
1777 for(i=0; i<3; i++)
1778 d->last_dc[i]= s->last_dc[i];
1779
1780 /* statistics */
1781 d->mv_bits= s->mv_bits;
1782 d->i_tex_bits= s->i_tex_bits;
1783 d->p_tex_bits= s->p_tex_bits;
1784 d->i_count= s->i_count;
1785 d->f_count= s->f_count;
1786 d->b_count= s->b_count;
1787 d->skip_count= s->skip_count;
1788 d->misc_bits= s->misc_bits;
1789 d->last_bits= 0;
1790
1791 d->mb_skipped= 0;
1792 d->qscale= s->qscale;
1793 d->dquant= s->dquant;
9f175aa0
MN
1794
1795 d->esc3_level_length= s->esc3_level_length;
3ada94ba
BF
1796}
1797
1798static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1799 int i;
1800
1801 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1802 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1803
1804 /* mpeg1 */
1805 d->mb_skip_run= s->mb_skip_run;
1806 for(i=0; i<3; i++)
1807 d->last_dc[i]= s->last_dc[i];
1808
1809 /* statistics */
1810 d->mv_bits= s->mv_bits;
1811 d->i_tex_bits= s->i_tex_bits;
1812 d->p_tex_bits= s->p_tex_bits;
1813 d->i_count= s->i_count;
1814 d->f_count= s->f_count;
1815 d->b_count= s->b_count;
1816 d->skip_count= s->skip_count;
1817 d->misc_bits= s->misc_bits;
1818
1819 d->mb_intra= s->mb_intra;
1820 d->mb_skipped= s->mb_skipped;
1821 d->mv_type= s->mv_type;
1822 d->mv_dir= s->mv_dir;
1823 d->pb= s->pb;
1824 if(s->data_partitioning){
1825 d->pb2= s->pb2;
1826 d->tex_pb= s->tex_pb;
1827 }
1828 d->block= s->block;
1829 for(i=0; i<8; i++)
1830 d->block_last_index[i]= s->block_last_index[i];
1831 d->interlaced_dct= s->interlaced_dct;
1832 d->qscale= s->qscale;
9f175aa0
MN
1833
1834 d->esc3_level_length= s->esc3_level_length;
3ada94ba
BF
1835}
1836
1837static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1838 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1839 int *dmin, int *next_block, int motion_x, int motion_y)
1840{
1841 int score;
1842 uint8_t *dest_backup[3];
1843
1844 copy_context_before_encode(s, backup, type);
1845
1846 s->block= s->blocks[*next_block];
1847 s->pb= pb[*next_block];
1848 if(s->data_partitioning){
1849 s->pb2 = pb2 [*next_block];
1850 s->tex_pb= tex_pb[*next_block];
1851 }
1852
1853 if(*next_block){
1854 memcpy(dest_backup, s->dest, sizeof(s->dest));
1855 s->dest[0] = s->rd_scratchpad;
1856 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1857 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1858 assert(s->linesize >= 32); //FIXME
1859 }
1860
1861 encode_mb(s, motion_x, motion_y);
1862
1863 score= put_bits_count(&s->pb);
1864 if(s->data_partitioning){
1865 score+= put_bits_count(&s->pb2);
1866 score+= put_bits_count(&s->tex_pb);
1867 }
1868
1869 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1870 MPV_decode_mb(s, s->block);
1871
1872 score *= s->lambda2;
1873 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1874 }
1875
1876 if(*next_block){
1877 memcpy(s->dest, dest_backup, sizeof(s->dest));
1878 }
1879
1880 if(score<*dmin){
1881 *dmin= score;
1882 *next_block^=1;
1883
1884 copy_context_after_encode(best, s, type);
1885 }
1886}
1887
1888static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1889 uint32_t *sq = ff_squareTbl + 256;
1890 int acc=0;
1891 int x,y;
1892
1893 if(w==16 && h==16)
1894 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1895 else if(w==8 && h==8)
1896 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1897
1898 for(y=0; y<h; y++){
1899 for(x=0; x<w; x++){
1900 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1901 }
1902 }
1903
1904 assert(acc>=0);
1905
1906 return acc;
1907}
1908
1909static int sse_mb(MpegEncContext *s){
1910 int w= 16;
1911 int h= 16;
1912
1913 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1914 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1915
1916 if(w==16 && h==16)
1917 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1918 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)
1919 +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)
1920 +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);
1921 }else{
1922 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)
1923 +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)
1924 +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);
1925 }
1926 else
1927 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)
1928 +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)
1929 +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);
1930}
1931
1932static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
3a84713a 1933 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1934
1935
1936 s->me.pre_pass=1;
1937 s->me.dia_size= s->avctx->pre_dia_size;
1938 s->first_slice_line=1;
1939 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1940 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1941 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1942 }
1943 s->first_slice_line=0;
1944 }
1945
1946 s->me.pre_pass=0;
1947
1948 return 0;
1949}
1950
1951static int estimate_motion_thread(AVCodecContext *c, void *arg){
3a84713a 1952 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1953
1954 ff_check_alignment();
1955
1956 s->me.dia_size= s->avctx->dia_size;
1957 s->first_slice_line=1;
1958 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1959 s->mb_x=0; //for block init below
1960 ff_init_block_index(s);
1961 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1962 s->block_index[0]+=2;
1963 s->block_index[1]+=2;
1964 s->block_index[2]+=2;
1965 s->block_index[3]+=2;
1966
1967 /* compute motion vector & mb_type and store in context */
9701840b 1968 if(s->pict_type==FF_B_TYPE)
3ada94ba
BF
1969 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1970 else
1971 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1972 }
1973 s->first_slice_line=0;
1974 }
1975 return 0;
1976}
1977
1978static int mb_var_thread(AVCodecContext *c, void *arg){
3a84713a 1979 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1980 int mb_x, mb_y;
1981
1982 ff_check_alignment();
1983
1984 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1985 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1986 int xx = mb_x * 16;
1987 int yy = mb_y * 16;
1988 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1989 int varc;
1990 int sum = s->dsp.pix_sum(pix, s->linesize);
1991
1992 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1993
1994 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
1995 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1996 s->me.mb_var_sum_temp += varc;
1997 }
1998 }
1999 return 0;
2000}
2001
2002static void write_slice_end(MpegEncContext *s){
49fb20cb 2003 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
3ada94ba
BF
2004 if(s->partitioned_frame){
2005 ff_mpeg4_merge_partitions(s);
2006 }
2007
2008 ff_mpeg4_stuffing(&s->pb);
49fb20cb 2009 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
3ada94ba
BF
2010 ff_mjpeg_encode_stuffing(&s->pb);
2011 }
2012
2013 align_put_bits(&s->pb);
2014 flush_put_bits(&s->pb);
2015
2016 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2017 s->misc_bits+= get_bits_diff(s);
2018}
2019
2020static int encode_thread(AVCodecContext *c, void *arg){
3a84713a 2021 MpegEncContext *s= *(void**)arg;
3ada94ba 2022 int mb_x, mb_y, pdif = 0;
ec7e2582 2023 int chr_h= 16>>s->chroma_y_shift;
3ada94ba
BF
2024 int i, j;
2025 MpegEncContext best_s, backup_s;
2026 uint8_t bit_buf[2][MAX_MB_BYTES];
2027 uint8_t bit_buf2[2][MAX_MB_BYTES];
2028 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2029 PutBitContext pb[2], pb2[2], tex_pb[2];
2030//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2031
2032 ff_check_alignment();
2033
2034 for(i=0; i<2; i++){
2035 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2036 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2037 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2038 }
2039
2040 s->last_bits= put_bits_count(&s->pb);
2041 s->mv_bits=0;
2042 s->misc_bits=0;
2043 s->i_tex_bits=0;
2044 s->p_tex_bits=0;
2045 s->i_count=0;
2046 s->f_count=0;
2047 s->b_count=0;
2048 s->skip_count=0;
2049
2050 for(i=0; i<3; i++){
2051 /* init last dc values */
2052 /* note: quant matrix value (8) is implied here */
2053 s->last_dc[i] = 128 << s->intra_dc_precision;
2054
2055 s->current_picture.error[i] = 0;
2056 }
2057 s->mb_skip_run = 0;
2058 memset(s->last_mv, 0, sizeof(s->last_mv));
2059
2060 s->last_mv_dir = 0;
2061
2062 switch(s->codec_id){
2063 case CODEC_ID_H263:
2064 case CODEC_ID_H263P:
2065 case CODEC_ID_FLV1:
0bd48530 2066 if (CONFIG_H263_ENCODER)
674eeb5f 2067 s->gob_index = ff_h263_get_gob_height(s);
3ada94ba
BF
2068 break;
2069 case CODEC_ID_MPEG4:
49fb20cb 2070 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
3ada94ba
BF
2071 ff_mpeg4_init_partitions(s);
2072 break;
2073 }
2074
2075 s->resync_mb_x=0;
2076 s->resync_mb_y=0;
2077 s->first_slice_line = 1;
2078 s->ptr_lastgob = s->pb.buf;
2079 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2080// printf("row %d at %X\n", s->mb_y, (int)s);
2081 s->mb_x=0;
2082 s->mb_y= mb_y;
2083
2084 ff_set_qscale(s, s->qscale);
2085 ff_init_block_index(s);
2086
2087 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2088 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2089 int mb_type= s->mb_type[xy];
2090// int d;
2091 int dmin= INT_MAX;
2092 int dir;
2093
2094 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2095 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2096 return -1;
2097 }
2098 if(s->data_partitioning){
2099 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2100 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2101 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2102 return -1;
2103 }
2104 }
2105
2106 s->mb_x = mb_x;
2107 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2108 ff_update_block_index(s);
2109
49fb20cb 2110 if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
3ada94ba
BF
2111 ff_h261_reorder_mb_index(s);
2112 xy= s->mb_y*s->mb_stride + s->mb_x;
2113 mb_type= s->mb_type[xy];
2114 }
2115
2116 /* write gob / video packet header */
2117 if(s->rtp_mode){
2118 int current_packet_size, is_gob_start;
2119
2120 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2121
2122 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2123
2124 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2125
2126 switch(s->codec_id){
2127 case CODEC_ID_H263:
2128 case CODEC_ID_H263P:
2129 if(!s->h263_slice_structured)
2130 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2131 break;
2132 case CODEC_ID_MPEG2VIDEO:
2133 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2134 case CODEC_ID_MPEG1VIDEO:
2135 if(s->mb_skip_run) is_gob_start=0;
2136 break;
2137 }
2138
2139 if(is_gob_start){
2140 if(s->start_mb_y != mb_y || mb_x!=0){
2141 write_slice_end(s);
2142
49fb20cb 2143 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
3ada94ba
BF
2144 ff_mpeg4_init_partitions(s);
2145 }
2146 }
2147
2148 assert((put_bits_count(&s->pb)&7) == 0);
fb53b4a0 2149 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
3ada94ba
BF
2150
2151 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2152 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2153 int d= 100 / s->avctx->error_rate;
2154 if(r % d == 0){
2155 current_packet_size=0;
2156#ifndef ALT_BITSTREAM_WRITER
2157 s->pb.buf_ptr= s->ptr_lastgob;
2158#endif
fb53b4a0 2159 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
3ada94ba
BF
2160 }
2161 }
2162
2163 if (s->avctx->rtp_callback){
2164 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2165 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2166 }
2167
2168 switch(s->codec_id){
2169 case CODEC_ID_MPEG4:
49fb20cb 2170 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2171 ff_mpeg4_encode_video_packet_header(s);
2172 ff_mpeg4_clean_buffers(s);
eb75a698 2173 }
3ada94ba
BF
2174 break;
2175 case CODEC_ID_MPEG1VIDEO:
2176 case CODEC_ID_MPEG2VIDEO:
49fb20cb 2177 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
56be950a
AJ
2178 ff_mpeg1_encode_slice_header(s);
2179 ff_mpeg1_clean_buffers(s);
a6bc5731 2180 }
3ada94ba
BF
2181 break;
2182 case CODEC_ID_H263:
2183 case CODEC_ID_H263P:
965424da 2184 if (CONFIG_H263_ENCODER)
674eeb5f 2185 h263_encode_gob_header(s, mb_y);
3ada94ba
BF
2186 break;
2187 }
2188
2189 if(s->flags&CODEC_FLAG_PASS1){
2190 int bits= put_bits_count(&s->pb);
2191 s->misc_bits+= bits - s->last_bits;
2192 s->last_bits= bits;
2193 }
2194
2195 s->ptr_lastgob += current_packet_size;
2196 s->first_slice_line=1;
2197 s->resync_mb_x=mb_x;
2198 s->resync_mb_y=mb_y;
2199 }
2200 }
2201
2202 if( (s->resync_mb_x == s->mb_x)
2203 && s->resync_mb_y+1 == s->mb_y){
2204 s->first_slice_line=0;
2205 }
2206
2207 s->mb_skipped=0;
2208 s->dquant=0; //only for QP_RD
2209
2210 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2211 int next_block=0;
2212 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2213
2214 copy_context_before_encode(&backup_s, s, -1);
2215 backup_s.pb= s->pb;
2216 best_s.data_partitioning= s->data_partitioning;
2217 best_s.partitioned_frame= s->partitioned_frame;
2218 if(s->data_partitioning){
2219 backup_s.pb2= s->pb2;
2220 backup_s.tex_pb= s->tex_pb;
2221 }
2222
2223 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2224 s->mv_dir = MV_DIR_FORWARD;
2225 s->mv_type = MV_TYPE_16X16;
2226 s->mb_intra= 0;
2227 s->mv[0][0][0] = s->p_mv_table[xy][0];
2228 s->mv[0][0][1] = s->p_mv_table[xy][1];
2229 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2230 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2231 }
2232 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2233 s->mv_dir = MV_DIR_FORWARD;
2234 s->mv_type = MV_TYPE_FIELD;
2235 s->mb_intra= 0;
2236 for(i=0; i<2; i++){
2237 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2238 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2239 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2240 }
2241 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2242 &dmin, &next_block, 0, 0);
2243 }
2244 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2245 s->mv_dir = MV_DIR_FORWARD;
2246 s->mv_type = MV_TYPE_16X16;
2247 s->mb_intra= 0;
2248 s->mv[0][0][0] = 0;
2249 s->mv[0][0][1] = 0;
2250 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2251 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2252 }
2253 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2254 s->mv_dir = MV_DIR_FORWARD;
2255 s->mv_type = MV_TYPE_8X8;
2256 s->mb_intra= 0;
2257 for(i=0; i<4; i++){
2258 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2259 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2260 }
2261 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2262 &dmin, &next_block, 0, 0);
2263 }
2264 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2265 s->mv_dir = MV_DIR_FORWARD;
2266 s->mv_type = MV_TYPE_16X16;
2267 s->mb_intra= 0;
2268 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2269 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2270 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2271 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2272 }
2273 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2274 s->mv_dir = MV_DIR_BACKWARD;
2275 s->mv_type = MV_TYPE_16X16;
2276 s->mb_intra= 0;
2277 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2278 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2279 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2280 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2281 }
2282 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2283 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2284 s->mv_type = MV_TYPE_16X16;
2285 s->mb_intra= 0;
2286 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2287 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2288 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2289 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2290 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2291 &dmin, &next_block, 0, 0);
2292 }
2293 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2294 s->mv_dir = MV_DIR_FORWARD;
2295 s->mv_type = MV_TYPE_FIELD;
2296 s->mb_intra= 0;
2297 for(i=0; i<2; i++){
2298 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2299 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2300 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2301 }
2302 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2303 &dmin, &next_block, 0, 0);
2304 }
2305 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2306 s->mv_dir = MV_DIR_BACKWARD;
2307 s->mv_type = MV_TYPE_FIELD;
2308 s->mb_intra= 0;
2309 for(i=0; i<2; i++){
2310 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2311 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2312 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2313 }
2314 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2315 &dmin, &next_block, 0, 0);
2316 }
2317 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2318 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2319 s->mv_type = MV_TYPE_FIELD;
2320 s->mb_intra= 0;
2321 for(dir=0; dir<2; dir++){
2322 for(i=0; i<2; i++){
2323 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2324 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2325 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2326 }
2327 }
2328 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2329 &dmin, &next_block, 0, 0);
2330 }
2331 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2332 s->mv_dir = 0;
2333 s->mv_type = MV_TYPE_16X16;
2334 s->mb_intra= 1;
2335 s->mv[0][0][0] = 0;
2336 s->mv[0][0][1] = 0;
2337 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2338 &dmin, &next_block, 0, 0);
2339 if(s->h263_pred || s->h263_aic){
2340 if(best_s.mb_intra)
2341 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2342 else
2343 ff_clean_intra_table_entries(s); //old mode?
2344 }
2345 }
2346
2347 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2348 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2349 const int last_qp= backup_s.qscale;
2350 int qpi, qp, dc[6];
2351 DCTELEM ac[6][16];
2352 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2353 static const int dquant_tab[4]={-1,1,-2,2};
2354
2355 assert(backup_s.dquant == 0);
2356
2357 //FIXME intra
2358 s->mv_dir= best_s.mv_dir;
2359 s->mv_type = MV_TYPE_16X16;
2360 s->mb_intra= best_s.mb_intra;
2361 s->mv[0][0][0] = best_s.mv[0][0][0];
2362 s->mv[0][0][1] = best_s.mv[0][0][1];
2363 s->mv[1][0][0] = best_s.mv[1][0][0];
2364 s->mv[1][0][1] = best_s.mv[1][0][1];
2365
9701840b 2366 qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
3ada94ba
BF
2367 for(; qpi<4; qpi++){
2368 int dquant= dquant_tab[qpi];
2369 qp= last_qp + dquant;
2370 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2371 continue;
2372 backup_s.dquant= dquant;
2373 if(s->mb_intra && s->dc_val[0]){
2374 for(i=0; i<6; i++){
2375 dc[i]= s->dc_val[0][ s->block_index[i] ];
2376 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2377 }
2378 }
2379
2380 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2381 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2382 if(best_s.qscale != qp){
2383 if(s->mb_intra && s->dc_val[0]){
2384 for(i=0; i<6; i++){
2385 s->dc_val[0][ s->block_index[i] ]= dc[i];
2386 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2387 }
2388 }
2389 }
2390 }
2391 }
2392 }
49fb20cb 2393 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
3ada94ba
BF
2394 int mx= s->b_direct_mv_table[xy][0];
2395 int my= s->b_direct_mv_table[xy][1];
2396
2397 backup_s.dquant = 0;
2398 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2399 s->mb_intra= 0;
2400 ff_mpeg4_set_direct_mv(s, mx, my);
2401 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2402 &dmin, &next_block, mx, my);
2403 }
49fb20cb 2404 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
3ada94ba
BF
2405 backup_s.dquant = 0;
2406 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2407 s->mb_intra= 0;
2408 ff_mpeg4_set_direct_mv(s, 0, 0);
2409 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2410 &dmin, &next_block, 0, 0);
2411 }
2412 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2413 int coded=0;
2414 for(i=0; i<6; i++)
2415 coded |= s->block_last_index[i];
2416 if(coded){
2417 int mx,my;
2418 memcpy(s->mv, best_s.mv, sizeof(s->mv));
49fb20cb 2419 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
3ada94ba
BF
2420 mx=my=0; //FIXME find the one we actually used
2421 ff_mpeg4_set_direct_mv(s, mx, my);
2422 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2423 mx= s->mv[1][0][0];
2424 my= s->mv[1][0][1];
2425 }else{
2426 mx= s->mv[0][0][0];
2427 my= s->mv[0][0][1];
2428 }
2429
2430 s->mv_dir= best_s.mv_dir;
2431 s->mv_type = best_s.mv_type;
2432 s->mb_intra= 0;
2433/* s->mv[0][0][0] = best_s.mv[0][0][0];
2434 s->mv[0][0][1] = best_s.mv[0][0][1];
2435 s->mv[1][0][0] = best_s.mv[1][0][0];
2436 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2437 backup_s.dquant= 0;
2438 s->skipdct=1;
2439 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2440 &dmin, &next_block, mx, my);
2441 s->skipdct=0;
2442 }
2443 }
2444
2445 s->current_picture.qscale_table[xy]= best_s.qscale;
2446
2447 copy_context_after_encode(s, &best_s, -1);
2448
2449 pb_bits_count= put_bits_count(&s->pb);
2450 flush_put_bits(&s->pb);
2451 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2452 s->pb= backup_s.pb;
2453
2454 if(s->data_partitioning){
2455 pb2_bits_count= put_bits_count(&s->pb2);
2456 flush_put_bits(&s->pb2);
2457 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2458 s->pb2= backup_s.pb2;
2459
2460 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2461 flush_put_bits(&s->tex_pb);
2462 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2463 s->tex_pb= backup_s.tex_pb;
2464 }
2465 s->last_bits= put_bits_count(&s->pb);
2466
49fb20cb 2467 if (CONFIG_ANY_H263_ENCODER &&
9701840b 2468 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
3ada94ba
BF
2469 ff_h263_update_motion_val(s);
2470
2471 if(next_block==0){ //FIXME 16 vs linesize16
2472 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2473 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2474 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2475 }
2476
2477 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2478 MPV_decode_mb(s, s->block);
2479 } else {
2480 int motion_x = 0, motion_y = 0;
2481 s->mv_type=MV_TYPE_16X16;
2482 // only one MB-Type possible
2483
2484 switch(mb_type){
2485 case CANDIDATE_MB_TYPE_INTRA:
2486 s->mv_dir = 0;
2487 s->mb_intra= 1;
2488 motion_x= s->mv[0][0][0] = 0;
2489 motion_y= s->mv[0][0][1] = 0;
2490 break;
2491 case CANDIDATE_MB_TYPE_INTER:
2492 s->mv_dir = MV_DIR_FORWARD;
2493 s->mb_intra= 0;
2494 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2495 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2496 break;
2497 case CANDIDATE_MB_TYPE_INTER_I:
2498 s->mv_dir = MV_DIR_FORWARD;
2499 s->mv_type = MV_TYPE_FIELD;
2500 s->mb_intra= 0;
2501 for(i=0; i<2; i++){
2502 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2503 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2504 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2505 }
2506 break;
2507 case CANDIDATE_MB_TYPE_INTER4V:
2508 s->mv_dir = MV_DIR_FORWARD;
2509 s->mv_type = MV_TYPE_8X8;
2510 s->mb_intra= 0;
2511 for(i=0; i<4; i++){
2512 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2513 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2514 }
2515 break;
2516 case CANDIDATE_MB_TYPE_DIRECT:
49fb20cb 2517 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2518 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2519 s->mb_intra= 0;
2520 motion_x=s->b_direct_mv_table[xy][0];
2521 motion_y=s->b_direct_mv_table[xy][1];
2522 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
eb75a698 2523 }
3ada94ba
BF
2524 break;
2525 case CANDIDATE_MB_TYPE_DIRECT0:
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 ff_mpeg4_set_direct_mv(s, 0, 0);
eb75a698 2530 }
3ada94ba
BF
2531 break;
2532 case CANDIDATE_MB_TYPE_BIDIR:
2533 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2534 s->mb_intra= 0;
2535 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2536 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2537 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2538 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2539 break;
2540 case CANDIDATE_MB_TYPE_BACKWARD:
2541 s->mv_dir = MV_DIR_BACKWARD;
2542 s->mb_intra= 0;
2543 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2544 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2545 break;
2546 case CANDIDATE_MB_TYPE_FORWARD:
2547 s->mv_dir = MV_DIR_FORWARD;
2548 s->mb_intra= 0;
2549 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2550 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2551// printf(" %d %d ", motion_x, motion_y);
2552 break;
2553 case CANDIDATE_MB_TYPE_FORWARD_I:
2554 s->mv_dir = MV_DIR_FORWARD;
2555 s->mv_type = MV_TYPE_FIELD;
2556 s->mb_intra= 0;
2557 for(i=0; i<2; i++){
2558 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2559 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2560 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2561 }
2562 break;
2563 case CANDIDATE_MB_TYPE_BACKWARD_I:
2564 s->mv_dir = MV_DIR_BACKWARD;
2565 s->mv_type = MV_TYPE_FIELD;
2566 s->mb_intra= 0;
2567 for(i=0; i<2; i++){
2568 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2569 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2570 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2571 }
2572 break;
2573 case CANDIDATE_MB_TYPE_BIDIR_I:
2574 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2575 s->mv_type = MV_TYPE_FIELD;
2576 s->mb_intra= 0;
2577 for(dir=0; dir<2; dir++){
2578 for(i=0; i<2; i++){
2579 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2580 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2581 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2582 }
2583 }
2584 break;
2585 default:
2586 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2587 }
2588
2589 encode_mb(s, motion_x, motion_y);
2590
2591 // RAL: Update last macroblock type
2592 s->last_mv_dir = s->mv_dir;
2593
49fb20cb 2594 if (CONFIG_ANY_H263_ENCODER &&
9701840b 2595 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
3ada94ba
BF
2596 ff_h263_update_motion_val(s);
2597
2598 MPV_decode_mb(s, s->block);
2599 }
2600
2601 /* clean the MV table in IPS frames for direct mode in B frames */
2602 if(s->mb_intra /* && I,P,S_TYPE */){
2603 s->p_mv_table[xy][0]=0;
2604 s->p_mv_table[xy][1]=0;
2605 }
2606
2607 if(s->flags&CODEC_FLAG_PSNR){
2608 int w= 16;
2609 int h= 16;
2610
2611 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2612 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2613
2614 s->current_picture.error[0] += sse(
2615 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2616 s->dest[0], w, h, s->linesize);
2617 s->current_picture.error[1] += sse(
ec7e2582
BC
2618 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2619 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3ada94ba 2620 s->current_picture.error[2] += sse(
ec7e2582
BC
2621 s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2622 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3ada94ba
BF
2623 }
2624 if(s->loop_filter){
49fb20cb 2625 if(CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba
BF
2626 ff_h263_loop_filter(s);
2627 }
2628//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2629 }
2630 }
2631
2632 //not beautiful here but we must write it before flushing so it has to be here
49fb20cb 2633 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
3ada94ba
BF
2634 msmpeg4_encode_ext_header(s);
2635
2636 write_slice_end(s);
2637
2638 /* Send the last GOB if RTP */
2639 if (s->avctx->rtp_callback) {
2640 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
fb53b4a0 2641 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
3ada94ba
BF
2642 /* Call the RTP callback to send the last GOB */
2643 emms_c();
2644 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2645 }
2646
2647 return 0;
2648}
2649
2650#define MERGE(field) dst->field += src->field; src->field=0
2651static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2652 MERGE(me.scene_change_score);
2653 MERGE(me.mc_mb_var_sum_temp);
2654 MERGE(me.mb_var_sum_temp);
2655}
2656
2657static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2658 int i;
2659
2660 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2661 MERGE(dct_count[1]);
2662 MERGE(mv_bits);
2663 MERGE(i_tex_bits);
2664 MERGE(p_tex_bits);
2665 MERGE(i_count);
2666 MERGE(f_count);
2667 MERGE(b_count);
2668 MERGE(skip_count);
2669 MERGE(misc_bits);
2670 MERGE(error_count);
2671 MERGE(padding_bug_score);
2672 MERGE(current_picture.error[0]);
2673 MERGE(current_picture.error[1]);
2674 MERGE(current_picture.error[2]);
2675
2676 if(dst->avctx->noise_reduction){
2677 for(i=0; i<64; i++){
2678 MERGE(dct_error_sum[0][i]);
2679 MERGE(dct_error_sum[1][i]);
2680 }
2681 }
2682
2683 assert(put_bits_count(&src->pb) % 8 ==0);
2684 assert(put_bits_count(&dst->pb) % 8 ==0);
2685 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2686 flush_put_bits(&dst->pb);
2687}
2688
2689static int estimate_qp(MpegEncContext *s, int dry_run){
2690 if (s->next_lambda){
2691 s->current_picture_ptr->quality=
2692 s->current_picture.quality = s->next_lambda;
2693 if(!dry_run) s->next_lambda= 0;
2694 } else if (!s->fixed_qscale) {
2695 s->current_picture_ptr->quality=
2696 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2697 if (s->current_picture.quality < 0)
2698 return -1;
2699 }
2700
2701 if(s->adaptive_quant){
2702 switch(s->codec_id){
2703 case CODEC_ID_MPEG4:
49fb20cb 2704 if (CONFIG_MPEG4_ENCODER)
674eeb5f 2705 ff_clean_mpeg4_qscales(s);
3ada94ba
BF
2706 break;
2707 case CODEC_ID_H263:
2708 case CODEC_ID_H263P:
2709 case CODEC_ID_FLV1:
0bd48530 2710 if (CONFIG_H263_ENCODER)
674eeb5f 2711 ff_clean_h263_qscales(s);
3ada94ba 2712 break;
ccc4b918
MN
2713 default:
2714 ff_init_qscale_tab(s);
3ada94ba
BF
2715 }
2716
2717 s->lambda= s->lambda_table[0];
2718 //FIXME broken
2719 }else
2720 s->lambda= s->current_picture.quality;
2721//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2722 update_qscale(s);
2723 return 0;
2724}
2725
7da31a80
AJ
2726/* must be called before writing the header */
2727static void set_frame_distances(MpegEncContext * s){
2728 assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2729 s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2730
9701840b 2731 if(s->pict_type==FF_B_TYPE){
7da31a80
AJ
2732 s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2733 assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2734 }else{
2735 s->pp_time= s->time - s->last_non_b_time;
2736 s->last_non_b_time= s->time;
2737 assert(s->picture_number==0 || s->pp_time > 0);
2738 }
2739}
2740
3ada94ba
BF
2741static int encode_picture(MpegEncContext *s, int picture_number)
2742{
2743 int i;
2744 int bits;
2745
2746 s->picture_number = picture_number;
2747
2748 /* Reset the average MB variance */
2749 s->me.mb_var_sum_temp =
2750 s->me.mc_mb_var_sum_temp = 0;
2751
2752 /* we need to initialize some time vars before we can encode b-frames */
2753 // RAL: Condition added for MPEG1VIDEO
2754 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
7da31a80 2755 set_frame_distances(s);
49fb20cb 2756 if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
7da31a80 2757 ff_set_mpeg4_time(s);
3ada94ba
BF
2758
2759 s->me.scene_change_score=0;
2760
e6dba5df 2761// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
3ada94ba 2762
9701840b 2763 if(s->pict_type==FF_I_TYPE){
3ada94ba
BF
2764 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2765 else s->no_rounding=0;
9701840b 2766 }else if(s->pict_type!=FF_B_TYPE){
3ada94ba
BF
2767 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2768 s->no_rounding ^= 1;
2769 }
2770
2771 if(s->flags & CODEC_FLAG_PASS2){
2772 if (estimate_qp(s,1) < 0)
2773 return -1;
2774 ff_get_2pass_fcode(s);
2775 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
9701840b 2776 if(s->pict_type==FF_B_TYPE)
3ada94ba
BF
2777 s->lambda= s->last_lambda_for[s->pict_type];
2778 else
2779 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2780 update_qscale(s);
2781 }
2782
2783 s->mb_intra=0; //for the rate distortion & bit compare functions
2784 for(i=1; i<s->avctx->thread_count; i++){
2785 ff_update_duplicate_context(s->thread_context[i], s);
2786 }
2787
719f3702
MN
2788 if(ff_init_me(s)<0)
2789 return -1;
3ada94ba
BF
2790
2791 /* Estimate motion for every MB */
9701840b 2792 if(s->pict_type != FF_I_TYPE){
3ada94ba
BF
2793 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2794 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
9701840b
AJ
2795 if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){
2796 if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
01418506 2797 s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2798 }
2799 }
2800
01418506 2801 s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
9701840b 2802 }else /* if(s->pict_type == FF_I_TYPE) */{
3ada94ba
BF
2803 /* I-Frame */
2804 for(i=0; i<s->mb_stride*s->mb_height; i++)
2805 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2806
2807 if(!s->fixed_qscale){
2808 /* finding spatial complexity for I-frame rate control */
01418506 2809 s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2810 }
2811 }
2812 for(i=1; i<s->avctx->thread_count; i++){
2813 merge_context_after_me(s, s->thread_context[i]);
2814 }
2815 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2816 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2817 emms_c();
2818
9701840b
AJ
2819 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == FF_P_TYPE){
2820 s->pict_type= FF_I_TYPE;
3ada94ba
BF
2821 for(i=0; i<s->mb_stride*s->mb_height; i++)
2822 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2823//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2824 }
2825
2826 if(!s->umvplus){
9701840b 2827 if(s->pict_type==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
3ada94ba
BF
2828 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2829
2830 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2831 int a,b;
2832 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2833 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
159ef4b0 2834 s->f_code= FFMAX3(s->f_code, a, b);
3ada94ba
BF
2835 }
2836
2837 ff_fix_long_p_mvs(s);
2838 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2839 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2840 int j;
2841 for(i=0; i<2; i++){
2842 for(j=0; j<2; j++)
2843 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2844 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2845 }
2846 }
2847 }
2848
9701840b 2849 if(s->pict_type==FF_B_TYPE){
3ada94ba
BF
2850 int a, b;
2851
2852 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2853 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2854 s->f_code = FFMAX(a, b);
2855
2856 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2857 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2858 s->b_code = FFMAX(a, b);
2859
2860 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2861 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2862 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2863 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2864 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2865 int dir, j;
2866 for(dir=0; dir<2; dir++){
2867 for(i=0; i<2; i++){
2868 for(j=0; j<2; j++){
2869 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2870 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2871 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2872 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2873 }
2874 }
2875 }
2876 }
2877 }
2878 }
2879
2880 if (estimate_qp(s, 0) < 0)
2881 return -1;
2882
9701840b 2883 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==FF_I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
3ada94ba
BF
2884 s->qscale= 3; //reduce clipping problems
2885
2886 if (s->out_format == FMT_MJPEG) {
2887 /* for mjpeg, we do include qscale in the matrix */
2888 s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
2889 for(i=1;i<64;i++){
2890 int j= s->dsp.idct_permutation[i];
2891
2892 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2893 }
69cea75f 2894 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba
BF
2895 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2896 s->qscale= 8;
2897 }
2898
2899 //FIXME var duplication
2900 s->current_picture_ptr->key_frame=
9701840b 2901 s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
3ada94ba
BF
2902 s->current_picture_ptr->pict_type=
2903 s->current_picture.pict_type= s->pict_type;
2904
2905 if(s->current_picture.key_frame)
2906 s->picture_in_gop_number=0;
2907
2908 s->last_bits= put_bits_count(&s->pb);
2909 switch(s->out_format) {
2910 case FMT_MJPEG:
49fb20cb 2911 if (CONFIG_MJPEG_ENCODER)
3ada94ba
BF
2912 ff_mjpeg_encode_picture_header(s);
2913 break;
2914 case FMT_H261:
49fb20cb 2915 if (CONFIG_H261_ENCODER)
3ada94ba
BF
2916 ff_h261_encode_picture_header(s, picture_number);
2917 break;
2918 case FMT_H263:
49fb20cb 2919 if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
3ada94ba 2920 ff_wmv2_encode_picture_header(s, picture_number);
49fb20cb 2921 else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4)
3ada94ba 2922 msmpeg4_encode_picture_header(s, picture_number);
49fb20cb 2923 else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
3ada94ba 2924 mpeg4_encode_picture_header(s, picture_number);
49fb20cb 2925 else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
3ada94ba 2926 rv10_encode_picture_header(s, picture_number);
49fb20cb 2927 else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
3ada94ba 2928 rv20_encode_picture_header(s, picture_number);
49fb20cb 2929 else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
3ada94ba 2930 ff_flv_encode_picture_header(s, picture_number);
49fb20cb 2931 else if (CONFIG_ANY_H263_ENCODER)
3ada94ba
BF
2932 h263_encode_picture_header(s, picture_number);
2933 break;
2934 case FMT_MPEG1:
49fb20cb 2935 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
56be950a 2936 mpeg1_encode_picture_header(s, picture_number);
3ada94ba
BF
2937 break;
2938 case FMT_H264:
2939 break;
2940 default:
2941 assert(0);
2942 }
2943 bits= put_bits_count(&s->pb);
2944 s->header_bits= bits - s->last_bits;
2945
2946 for(i=1; i<s->avctx->thread_count; i++){
2947 update_duplicate_context_after_me(s->thread_context[i], s);
2948 }
01418506 2949 s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2950 for(i=1; i<s->avctx->thread_count; i++){
2951 merge_context_after_encode(s, s->thread_context[i]);
2952 }
2953 emms_c();
2954 return 0;
2955}
2956
2957void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2958 const int intra= s->mb_intra;
2959 int i;
2960
2961 s->dct_count[intra]++;
2962
2963 for(i=0; i<64; i++){
2964 int level= block[i];
2965
2966 if(level){
2967 if(level>0){
2968 s->dct_error_sum[intra][i] += level;
2969 level -= s->dct_offset[intra][i];
2970 if(level<0) level=0;
2971 }else{
2972 s->dct_error_sum[intra][i] -= level;
2973 level += s->dct_offset[intra][i];
2974 if(level>0) level=0;
2975 }
2976 block[i]= level;
2977 }
2978 }
2979}
2980
2981int dct_quantize_trellis_c(MpegEncContext *s,
2982 DCTELEM *block, int n,
2983 int qscale, int *overflow){
2984 const int *qmat;
2985 const uint8_t *scantable= s->intra_scantable.scantable;
2986 const uint8_t *perm_scantable= s->intra_scantable.permutated;
2987 int max=0;
2988 unsigned int threshold1, threshold2;
2989 int bias=0;
2990 int run_tab[65];
2991 int level_tab[65];
2992 int score_tab[65];
2993 int survivor[65];
2994 int survivor_count;
2995 int last_run=0;
2996 int last_level=0;
2997 int last_score= 0;
2998 int last_i;
2999 int coeff[2][64];
3000 int coeff_count[64];
3001 int qmul, qadd, start_i, last_non_zero, i, dc;
3002 const int esc_length= s->ac_esc_length;
3003 uint8_t * length;
3004 uint8_t * last_length;
3005 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
3006
3007 s->dsp.fdct (block);
3008
3009 if(s->dct_error_sum)
3010 s->denoise_dct(s, block);
3011 qmul= qscale*16;
3012 qadd= ((qscale-1)|1)*8;
3013
3014 if (s->mb_intra) {
3015 int q;
3016 if (!s->h263_aic) {
3017 if (n < 4)
3018 q = s->y_dc_scale;
3019 else
3020 q = s->c_dc_scale;
3021 q = q << 3;
3022 } else{
3023 /* For AIC we skip quant/dequant of INTRADC */
3024 q = 1 << 3;
3025 qadd=0;
3026 }
3027
3028 /* note: block[0] is assumed to be positive */
3029 block[0] = (block[0] + (q >> 1)) / q;
3030 start_i = 1;
3031 last_non_zero = 0;
3032 qmat = s->q_intra_matrix[qscale];
3033 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3034 bias= 1<<(QMAT_SHIFT-1);
3035 length = s->intra_ac_vlc_length;
3036 last_length= s->intra_ac_vlc_last_length;
3037 } else {
3038 start_i = 0;
3039 last_non_zero = -1;
3040 qmat = s->q_inter_matrix[qscale];
3041 length = s->inter_ac_vlc_length;
3042 last_length= s->inter_ac_vlc_last_length;
3043 }
3044 last_i= start_i;
3045
3046 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3047 threshold2= (threshold1<<1);
3048
3049 for(i=63; i>=start_i; i--) {
3050 const int j = scantable[i];
3051 int level = block[j] * qmat[j];
3052
3053 if(((unsigned)(level+threshold1))>threshold2){
3054 last_non_zero = i;
3055 break;
3056 }
3057 }
3058
3059 for(i=start_i; i<=last_non_zero; i++) {
3060 const int j = scantable[i];
3061 int level = block[j] * qmat[j];
3062
3063// if( bias+level >= (1<<(QMAT_SHIFT - 3))
3064// || bias-level >= (1<<(QMAT_SHIFT - 3))){
3065 if(((unsigned)(level+threshold1))>threshold2){
3066 if(level>0){
3067 level= (bias + level)>>QMAT_SHIFT;
3068 coeff[0][i]= level;
3069 coeff[1][i]= level-1;
3070// coeff[2][k]= level-2;
3071 }else{
3072 level= (bias - level)>>QMAT_SHIFT;
3073 coeff[0][i]= -level;
3074 coeff[1][i]= -level+1;
3075// coeff[2][k]= -level+2;
3076 }
3077 coeff_count[i]= FFMIN(level, 2);
3078 assert(coeff_count[i]);
3079 max |=level;
3080 }else{
3081 coeff[0][i]= (level>>31)|1;
3082 coeff_count[i]= 1;
3083 }
3084 }
3085
3086 *overflow= s->max_qcoeff < max; //overflow might have happened
3087
3088 if(last_non_zero < start_i){
3089 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3090 return last_non_zero;
3091 }
3092
3093 score_tab[start_i]= 0;
3094 survivor[0]= start_i;
3095 survivor_count= 1;
3096
3097 for(i=start_i; i<=last_non_zero; i++){
e6dba5df 3098 int level_index, j, zero_distortion;
b6bffc46 3099 int dct_coeff= FFABS(block[ scantable[i] ]);
3ada94ba 3100 int best_score=256*256*256*120;
b6bffc46
MN
3101
3102 if ( s->dsp.fdct == fdct_ifast
3103#ifndef FAAN_POSTSCALE
3104 || s->dsp.fdct == ff_faandct
3105#endif
3106 )
939e4e3a 3107 dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
e6dba5df 3108 zero_distortion= dct_coeff*dct_coeff;
b6bffc46 3109
3ada94ba 3110 for(level_index=0; level_index < coeff_count[i]; level_index++){
e6dba5df 3111 int distortion;
3ada94ba
BF
3112 int level= coeff[level_index][i];
3113 const int alevel= FFABS(level);
3114 int unquant_coeff;
3115
3116 assert(level);
3117
3118 if(s->out_format == FMT_H263){
3119 unquant_coeff= alevel*qmul + qadd;
3120 }else{ //MPEG1
3121 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3122 if(s->mb_intra){
3123 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3124 unquant_coeff = (unquant_coeff - 1) | 1;
3125 }else{
3126 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3127 unquant_coeff = (unquant_coeff - 1) | 1;
3128 }
3129 unquant_coeff<<= 3;
3130 }
3131
e6dba5df 3132 distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
3ada94ba
BF
3133 level+=64;
3134 if((level&(~127)) == 0){
3135 for(j=survivor_count-1; j>=0; j--){
3136 int run= i - survivor[j];
e6dba5df 3137 int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3ada94ba
BF
3138 score += score_tab[i-run];
3139
3140 if(score < best_score){
3141 best_score= score;
3142 run_tab[i+1]= run;
3143 level_tab[i+1]= level-64;
3144 }
3145 }
3146
3147 if(s->out_format == FMT_H263){
3148 for(j=survivor_count-1; j>=0; j--){
3149 int run= i - survivor[j];
e6dba5df 3150 int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3ada94ba
BF
3151 score += score_tab[i-run];
3152 if(score < last_score){
3153 last_score= score;
3154 last_run= run;
3155 last_level= level-64;
3156 last_i= i+1;
3157 }
3158 }
3159 }
3160 }else{
e6dba5df 3161 distortion += esc_length*lambda;
3ada94ba
BF
3162 for(j=survivor_count-1; j>=0; j--){
3163 int run= i - survivor[j];
e6dba5df 3164 int score= distortion + score_tab[i-run];
3ada94ba
BF
3165
3166 if(score < best_score){
3167 best_score= score;
3168 run_tab[i+1]= run;
3169 level_tab[i+1]= level-64;
3170 }
3171 }
3172
3173 if(s->out_format == FMT_H263){
3174 for(j=survivor_count-1; j>=0; j--){
3175 int run= i - survivor[j];
e6dba5df 3176 int score= distortion + score_tab[i-run];
3ada94ba
BF
3177 if(score < last_score){
3178 last_score= score;
3179 last_run= run;
3180 last_level= level-64;
3181 last_i= i+1;
3182 }
3183 }
3184 }
3185 }
3186 }
3187
3188 score_tab[i+1]= best_score;
3189
3190 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3191 if(last_non_zero <= 27){
3192 for(; survivor_count; survivor_count--){
3193 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3194 break;
3195 }
3196 }else{
3197 for(; survivor_count; survivor_count--){
3198 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3199 break;
3200 }
3201 }
3202
3203 survivor[ survivor_count++ ]= i+1;
3204 }
3205
3206 if(s->out_format != FMT_H263){
3207 last_score= 256*256*256*120;
3208 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3209 int score= score_tab[i];
3210 if(i) score += lambda*2; //FIXME exacter?
3211
3212 if(score < last_score){
3213 last_score= score;
3214 last_i= i;
3215 last_level= level_tab[i];
3216 last_run= run_tab[i];
3217 }
3218 }
3219 }
3220
3221 s->coded_score[n] = last_score;
3222
3223 dc= FFABS(block[0]);
3224 last_non_zero= last_i - 1;
3225 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3226
3227 if(last_non_zero < start_i)
3228 return last_non_zero;
3229
3230 if(last_non_zero == 0 && start_i == 0){
3231 int best_level= 0;
3232 int best_score= dc * dc;
3233
3234 for(i=0; i<coeff_count[0]; i++){
3235 int level= coeff[i][0];
3236 int alevel= FFABS(level);
3237 int unquant_coeff, score, distortion;
3238
3239 if(s->out_format == FMT_H263){
3240 unquant_coeff= (alevel*qmul + qadd)>>3;
3241 }else{ //MPEG1
3242 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3243 unquant_coeff = (unquant_coeff - 1) | 1;
3244 }
3245 unquant_coeff = (unquant_coeff + 4) >> 3;
3246 unquant_coeff<<= 3 + 3;
3247
3248 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3249 level+=64;
3250 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3251 else score= distortion + esc_length*lambda;
3252
3253 if(score < best_score){
3254 best_score= score;
3255 best_level= level - 64;
3256 }
3257 }
3258 block[0]= best_level;
3259 s->coded_score[n] = best_score - dc*dc;
3260 if(best_level == 0) return -1;
3261 else return last_non_zero;
3262 }
3263
3264 i= last_i;
3265 assert(last_level);
3266
3267 block[ perm_scantable[last_non_zero] ]= last_level;
3268 i -= last_run + 1;
3269
3270 for(; i>start_i; i -= run_tab[i] + 1){
3271 block[ perm_scantable[i-1] ]= level_tab[i];
3272 }
3273
3274 return last_non_zero;
3275}
3276
3277//#define REFINE_STATS 1
3278static int16_t basis[64][64];
3279
3280static void build_basis(uint8_t *perm){
3281 int i, j, x, y;
3282 emms_c();
3283 for(i=0; i<8; i++){
3284 for(j=0; j<8; j++){
3285 for(y=0; y<8; y++){
3286 for(x=0; x<8; x++){
3287 double s= 0.25*(1<<BASIS_SHIFT);
3288 int index= 8*i + j;
3289 int perm_index= perm[index];
3290 if(i==0) s*= sqrt(0.5);
3291 if(j==0) s*= sqrt(0.5);
3292 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)));
3293 }
3294 }
3295 }
3296 }
3297}
3298
3299static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3300 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3301 int n, int qscale){
3302 int16_t rem[64];
3303 DECLARE_ALIGNED_16(DCTELEM, d1[64]);
3ada94ba
BF
3304 const uint8_t *scantable= s->intra_scantable.scantable;
3305 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3306// unsigned int threshold1, threshold2;
3307// int bias=0;
3308 int run_tab[65];
3309 int prev_run=0;
3310 int prev_level=0;
3311 int qmul, qadd, start_i, last_non_zero, i, dc;
3312 uint8_t * length;
3313 uint8_t * last_length;
3314 int lambda;
3315 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3316#ifdef REFINE_STATS
3317static int count=0;
3318static int after_last=0;
3319static int to_zero=0;
3320static int from_zero=0;
3321static int raise=0;
3322static int lower=0;
3323static int messed_sign=0;
3324#endif
3325
3326 if(basis[0][0] == 0)
3327 build_basis(s->dsp.idct_permutation);
3328
3329 qmul= qscale*2;
3330 qadd= (qscale-1)|1;
3331 if (s->mb_intra) {
3332 if (!s->h263_aic) {
3333 if (n < 4)
3334 q = s->y_dc_scale;
3335 else
3336 q = s->c_dc_scale;
3337 } else{
3338 /* For AIC we skip quant/dequant of INTRADC */
3339 q = 1;
3340 qadd=0;
3341 }
3342 q <<= RECON_SHIFT-3;
3343 /* note: block[0] is assumed to be positive */
3344 dc= block[0]*q;
3345// block[0] = (block[0] + (q >> 1)) / q;
3346 start_i = 1;
3ada94ba
BF
3347// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3348// bias= 1<<(QMAT_SHIFT-1);
3349 length = s->intra_ac_vlc_length;
3350 last_length= s->intra_ac_vlc_last_length;
3351 } else {
3352 dc= 0;
3353 start_i = 0;
3ada94ba
BF
3354 length = s->inter_ac_vlc_length;
3355 last_length= s->inter_ac_vlc_last_length;
3356 }
3357 last_non_zero = s->block_last_index[n];
3358
3359#ifdef REFINE_STATS
3360{START_TIMER
3361#endif
3362 dc += (1<<(RECON_SHIFT-1));
3363 for(i=0; i<64; i++){
3364 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3365 }
3366#ifdef REFINE_STATS
3367STOP_TIMER("memset rem[]")}
3368#endif
3369 sum=0;
3370 for(i=0; i<64; i++){
3371 int one= 36;
3372 int qns=4;
3373 int w;
3374
3375 w= FFABS(weight[i]) + qns*one;
3376 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3377
3378 weight[i] = w;
3379// w=weight[i] = (63*qns + (w/2)) / w;
3380
3381 assert(w>0);
3382 assert(w<(1<<6));
3383 sum += w*w;
3384 }
3385 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3386#ifdef REFINE_STATS
3387{START_TIMER
3388#endif
3389 run=0;
3390 rle_index=0;
3391 for(i=start_i; i<=last_non_zero; i++){
3392 int j= perm_scantable[i];
3393 const int level= block[j];
3394 int coeff;
3395
3396 if(level){
3397 if(level<0) coeff= qmul*level - qadd;
3398 else coeff= qmul*level + qadd;
3399 run_tab[rle_index++]=run;
3400 run=0;
3401
3402 s->dsp.add_8x8basis(rem, basis[j], coeff);
3403 }else{
3404 run++;
3405 }
3406 }
3407#ifdef REFINE_STATS
3408if(last_non_zero>0){
3409STOP_TIMER("init rem[]")
3410}
3411}
3412
3413{START_TIMER
3414#endif
3415 for(;;){
3416 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3417 int best_coeff=0;
3418 int best_change=0;
3419 int run2, best_unquant_change=0, analyze_gradient;
3420#ifdef REFINE_STATS
3421{START_TIMER
3422#endif
3423 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3424
3425 if(analyze_gradient){
3426#ifdef REFINE_STATS
3427{START_TIMER
3428#endif
3429 for(i=0; i<64; i++){
3430 int w= weight[i];
3431
3432 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3433 }
3434#ifdef REFINE_STATS
3435STOP_TIMER("rem*w*w")}
3436{START_TIMER
3437#endif
3438 s->dsp.fdct(d1);
3439#ifdef REFINE_STATS
3440STOP_TIMER("dct")}
3441#endif
3442 }
3443
3444 if(start_i){
3445 const int level= block[0];
3446 int change, old_coeff;
3447
3448 assert(s->mb_intra);
3449
3450 old_coeff= q*level;
3451
3452 for(change=-1; change<=1; change+=2){
3453 int new_level= level + change;
3454 int score, new_coeff;
3455
3456 new_coeff= q*new_level;
3457 if(new_coeff >= 2048 || new_coeff < 0)
3458 continue;
3459
3460 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3461 if(score<best_score){
3462 best_score= score;
3463 best_coeff= 0;
3464 best_change= change;
3465 best_unquant_change= new_coeff - old_coeff;
3466 }
3467 }
3468 }
3469
3470 run=0;
3471 rle_index=0;
3472 run2= run_tab[rle_index++];
3473 prev_level=0;
3474 prev_run=0;
3475
3476 for(i=start_i; i<64; i++){
3477 int j= perm_scantable[i];
3478 const int level= block[j];
3479 int change, old_coeff;
3480
3481 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3482 break;
3483
3484 if(level){
3485 if(level<0) old_coeff= qmul*level - qadd;
3486 else old_coeff= qmul*level + qadd;
3487 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3488 }else{
3489 old_coeff=0;
3490 run2--;
3491 assert(run2>=0 || i >= last_non_zero );
3492 }
3493
3494 for(change=-1; change<=1; change+=2){
3495 int new_level= level + change;
3496 int score, new_coeff, unquant_change;
3497
3498 score=0;
3499 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3500 continue;
3501
3502 if(new_level){
3503 if(new_level<0) new_coeff= qmul*new_level - qadd;
3504 else new_coeff= qmul*new_level + qadd;
3505 if(new_coeff >= 2048 || new_coeff <= -2048)
3506 continue;
3507 //FIXME check for overflow
3508
3509 if(level){
3510 if(level < 63 && level > -63){
3511 if(i < last_non_zero)
3512 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3513 - length[UNI_AC_ENC_INDEX(run, level+64)];
3514 else
3515 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3516 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3517 }
3518 }else{
3519 assert(FFABS(new_level)==1);
3520
3521 if(analyze_gradient){
3522 int g= d1[ scantable[i] ];
3523 if(g && (g^new_level) >= 0)
3524 continue;
3525 }
3526
3527 if(i < last_non_zero){
3528 int next_i= i + run2 + 1;
3529 int next_level= block[ perm_scantable[next_i] ] + 64;
3530
3531 if(next_level&(~127))
3532 next_level= 0;
3533
3534 if(next_i < last_non_zero)
3535 score += length[UNI_AC_ENC_INDEX(run, 65)]
3536 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3537 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3538 else
3539 score += length[UNI_AC_ENC_INDEX(run, 65)]
3540 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3541 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3542 }else{
3543 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3544 if(prev_level){
3545 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3546 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3547 }
3548 }
3549 }
3550 }else{
3551 new_coeff=0;
3552 assert(FFABS(level)==1);
3553
3554 if(i < last_non_zero){
3555 int next_i= i + run2 + 1;
3556 int next_level= block[ perm_scantable[next_i] ] + 64;
3557
3558 if(next_level&(~127))
3559 next_level= 0;
3560
3561 if(next_i < last_non_zero)
3562 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3563 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3564 - length[UNI_AC_ENC_INDEX(run, 65)];
3565 else
3566 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3567 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3568 - length[UNI_AC_ENC_INDEX(run, 65)];
3569 }else{
3570 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3571 if(prev_level){
3572 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3573 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3574 }
3575 }
3576 }
3577
3578 score *= lambda;
3579
3580 unquant_change= new_coeff - old_coeff;
3581 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3582
3583 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3584 if(score<best_score){
3585 best_score= score;
3586 best_coeff= i;
3587 best_change= change;
3588 best_unquant_change= unquant_change;
3589 }
3590 }
3591 if(level){
3592 prev_level= level + 64;
3593 if(prev_level&(~127))
3594 prev_level= 0;
3595 prev_run= run;
3596 run=0;
3597 }else{
3598 run++;
3599 }
3600 }
3601#ifdef REFINE_STATS
3602STOP_TIMER("iterative step")}
3603#endif
3604
3605 if(best_change){
3606 int j= perm_scantable[ best_coeff ];
3607
3608 block[j] += best_change;
3609
3610 if(best_coeff > last_non_zero){
3611 last_non_zero= best_coeff;
3612 assert(block[j]);
3613#ifdef REFINE_STATS
3614after_last++;
3615#endif
3616 }else{
3617#ifdef REFINE_STATS
3618if(block[j]){
3619 if(block[j] - best_change){
3620 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3621 raise++;
3622 }else{
3623 lower++;
3624 }
3625 }else{
3626 from_zero++;
3627 }
3628}else{
3629 to_zero++;
3630}
3631#endif
3632 for(; last_non_zero>=start_i; last_non_zero--){
3633 if(block[perm_scantable[last_non_zero]])
3634 break;
3635 }
3636 }
3637#ifdef REFINE_STATS
3638count++;
3639if(256*256*256*64 % count == 0){
3640 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);
3641}
3642#endif
3643 run=0;
3644 rle_index=0;
3645 for(i=start_i; i<=last_non_zero; i++){
3646 int j= perm_scantable[i];
3647 const int level= block[j];
3648
3649 if(level){
3650 run_tab[rle_index++]=run;
3651 run=0;
3652 }else{
3653 run++;
3654 }
3655 }
3656
3657 s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3658 }else{
3659 break;
3660 }
3661 }
3662#ifdef REFINE_STATS
3663if(last_non_zero>0){
3664STOP_TIMER("iterative search")
3665}
3666}
3667#endif
3668
3669 return last_non_zero;
3670}
3671
3672int dct_quantize_c(MpegEncContext *s,
3673 DCTELEM *block, int n,
3674 int qscale, int *overflow)
3675{
3676 int i, j, level, last_non_zero, q, start_i;
3677 const int *qmat;
3678 const uint8_t *scantable= s->intra_scantable.scantable;
3679 int bias;
3680 int max=0;
3681 unsigned int threshold1, threshold2;
3682
3683 s->dsp.fdct (block);
3684
3685 if(s->dct_error_sum)
3686 s->denoise_dct(s, block);
3687
3688 if (s->mb_intra) {
3689 if (!s->h263_aic) {
3690 if (n < 4)
3691 q = s->y_dc_scale;