Replace deprecated av_get_pict_type_char() with av_get_picture_type_char().
[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 *
2912e87a 8 * This file is part of Libav.
3ada94ba 9 *
2912e87a 10 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 15 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 21 * License along with Libav; if not, write to the Free Software
3ada94ba 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 */
24
25/**
ba87f080 26 * @file
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27 * The simplest mpeg encoder (well, it was the simplest!).
28 */
29
94ca624f 30#include "libavutil/intmath.h"
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31#include "avcodec.h"
32#include "dsputil.h"
33#include "mpegvideo.h"
34#include "mpegvideo_common.h"
c46eeae2 35#include "h263.h"
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36#include "mjpegenc.h"
37#include "msmpeg4.h"
38#include "faandct.h"
8b22017f 39#include "aandcttab.h"
eb523769 40#include "flv.h"
ca334dd1 41#include "mpeg4video.h"
7ffd8332 42#include "internal.h"
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43#include <limits.h>
44
45//#undef NDEBUG
46//#include <assert.h>
47
48static int encode_picture(MpegEncContext *s, int picture_number);
49static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
50static int sse_mb(MpegEncContext *s);
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51static void denoise_dct_c(MpegEncContext *s, DCTELEM *block);
52static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
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53
54/* enable all paranoid tests for rounding, overflows, etc... */
55//#define PARANOID
56
57//#define DEBUG
58
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59static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
60static uint8_t default_fcode_tab[MAX_MV*2+1];
61
69cea75f 62void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
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63 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
64{
65 int qscale;
66 int shift=0;
67
68 for(qscale=qmin; qscale<=qmax; qscale++){
69 int i;
70 if (dsp->fdct == ff_jpeg_fdct_islow
71#ifdef FAAN_POSTSCALE
72 || dsp->fdct == ff_faandct
73#endif
74 ) {
75 for(i=0;i<64;i++) {
76 const int j= dsp->idct_permutation[i];
77 /* 16 <= qscale * quant_matrix[i] <= 7905 */
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78 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
79 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
80 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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81
82 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
83 (qscale * quant_matrix[j]));
84 }
85 } else if (dsp->fdct == fdct_ifast
86#ifndef FAAN_POSTSCALE
87 || dsp->fdct == ff_faandct
88#endif
89 ) {
90 for(i=0;i<64;i++) {
91 const int j= dsp->idct_permutation[i];
92 /* 16 <= qscale * quant_matrix[i] <= 7905 */
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93 /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
94 /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
95 /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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96
97 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
5bdf124c 98 (ff_aanscales[i] * qscale * quant_matrix[j]));
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99 }
100 } else {
101 for(i=0;i<64;i++) {
102 const int j= dsp->idct_permutation[i];
103 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
104 So 16 <= qscale * quant_matrix[i] <= 7905
105 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
106 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
107 */
108 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
109// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
110 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
111
112 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
113 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
114 }
115 }
116
117 for(i=intra; i<64; i++){
118 int64_t max= 8191;
119 if (dsp->fdct == fdct_ifast
120#ifndef FAAN_POSTSCALE
121 || dsp->fdct == ff_faandct
122#endif
123 ) {
5bdf124c 124 max = (8191LL*ff_aanscales[i]) >> 14;
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125 }
126 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
127 shift++;
128 }
129 }
130 }
131 if(shift){
132 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
133 }
134}
135
136static inline void update_qscale(MpegEncContext *s){
137 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
138 s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
139
140 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
141}
142
143void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
144 int i;
145
146 if(matrix){
147 put_bits(pb, 1, 1);
148 for(i=0;i<64;i++) {
149 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
150 }
151 }else
152 put_bits(pb, 1, 0);
153}
154
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155/**
156 * init s->current_picture.qscale_table from s->lambda_table
157 */
158void ff_init_qscale_tab(MpegEncContext *s){
159 int8_t * const qscale_table= s->current_picture.qscale_table;
160 int i;
161
162 for(i=0; i<s->mb_num; i++){
163 unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
164 int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
165 qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
166 }
167}
168
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169static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
170 int i;
171
172 dst->pict_type = src->pict_type;
173 dst->quality = src->quality;
174 dst->coded_picture_number = src->coded_picture_number;
175 dst->display_picture_number = src->display_picture_number;
176// dst->reference = src->reference;
177 dst->pts = src->pts;
178 dst->interlaced_frame = src->interlaced_frame;
179 dst->top_field_first = src->top_field_first;
180
181 if(s->avctx->me_threshold){
182 if(!src->motion_val[0])
183 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
184 if(!src->mb_type)
185 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
186 if(!src->ref_index[0])
187 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
188 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
189 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
190 src->motion_subsample_log2, dst->motion_subsample_log2);
191
192 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
193
194 for(i=0; i<2; i++){
195 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
196 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
197
198 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
199 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
200 }
201 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
fc4a2d1e 202 memcpy(dst->ref_index[i], src->ref_index[i], s->mb_stride*4*s->mb_height*sizeof(int8_t));
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203 }
204 }
205 }
206}
207
208static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
209#define COPY(a) dst->a= src->a
210 COPY(pict_type);
211 COPY(current_picture);
212 COPY(f_code);
213 COPY(b_code);
214 COPY(qscale);
215 COPY(lambda);
216 COPY(lambda2);
217 COPY(picture_in_gop_number);
218 COPY(gop_picture_number);
219 COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
220 COPY(progressive_frame); //FIXME don't set in encode_header
221 COPY(partitioned_frame); //FIXME don't set in encode_header
222#undef COPY
223}
224
225/**
226 * sets the given MpegEncContext to defaults for encoding.
227 * the changed fields will not depend upon the prior state of the MpegEncContext.
228 */
229static void MPV_encode_defaults(MpegEncContext *s){
230 int i;
231 MPV_common_defaults(s);
232
233 for(i=-16; i<16; i++){
234 default_fcode_tab[i + MAX_MV]= 1;
235 }
236 s->me.mv_penalty= default_mv_penalty;
237 s->fcode_tab= default_fcode_tab;
238}
239
240/* init video encoder */
98a6fff9 241av_cold int MPV_encode_init(AVCodecContext *avctx)
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242{
243 MpegEncContext *s = avctx->priv_data;
244 int i;
245 int chroma_h_shift, chroma_v_shift;
246
247 MPV_encode_defaults(s);
248
249 switch (avctx->codec_id) {
250 case CODEC_ID_MPEG2VIDEO:
251 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
252 av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
253 return -1;
254 }
255 break;
256 case CODEC_ID_LJPEG:
db613296 257 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_YUVJ444P && avctx->pix_fmt != PIX_FMT_BGRA &&
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258 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P && avctx->pix_fmt != PIX_FMT_YUV444P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){
259 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in LJPEG\n");
260 return -1;
261 }
262 break;
3ada94ba 263 case CODEC_ID_MJPEG:
dc8465a9 264 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P &&
2d525ef4 265 ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){
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266 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
267 return -1;
268 }
269 break;
270 default:
271 if(avctx->pix_fmt != PIX_FMT_YUV420P){
272 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
273 return -1;
274 }
275 }
276
277 switch (avctx->pix_fmt) {
278 case PIX_FMT_YUVJ422P:
279 case PIX_FMT_YUV422P:
280 s->chroma_format = CHROMA_422;
281 break;
282 case PIX_FMT_YUVJ420P:
283 case PIX_FMT_YUV420P:
284 default:
285 s->chroma_format = CHROMA_420;
286 break;
287 }
288
289 s->bit_rate = avctx->bit_rate;
290 s->width = avctx->width;
291 s->height = avctx->height;
292 if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
293 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
294 avctx->gop_size=600;
295 }
296 s->gop_size = avctx->gop_size;
297 s->avctx = avctx;
298 s->flags= avctx->flags;
299 s->flags2= avctx->flags2;
300 s->max_b_frames= avctx->max_b_frames;
301 s->codec_id= avctx->codec->id;
302 s->luma_elim_threshold = avctx->luma_elim_threshold;
303 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
304 s->strict_std_compliance= avctx->strict_std_compliance;
305 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
306 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
307 s->mpeg_quant= avctx->mpeg_quant;
308 s->rtp_mode= !!avctx->rtp_payload_size;
309 s->intra_dc_precision= avctx->intra_dc_precision;
310 s->user_specified_pts = AV_NOPTS_VALUE;
311
312 if (s->gop_size <= 1) {
313 s->intra_only = 1;
314 s->gop_size = 12;
315 } else {
316 s->intra_only = 0;
317 }
318
319 s->me_method = avctx->me_method;
320
321 /* Fixed QSCALE */
322 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
323
324 s->adaptive_quant= ( s->avctx->lumi_masking
325 || s->avctx->dark_masking
326 || s->avctx->temporal_cplx_masking
327 || s->avctx->spatial_cplx_masking
328 || s->avctx->p_masking
329 || s->avctx->border_masking
330 || (s->flags&CODEC_FLAG_QP_RD))
331 && !s->fixed_qscale;
332
333 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
334 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
335 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
336 s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
337 s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
338
339 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
340 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
341 return -1;
342 }
343
344 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
345 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
346 }
347
348 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
349 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
350 return -1;
351 }
352
353 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
354 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
355 return -1;
356 }
357
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358 if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
359 av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
360 }
361
b33451ee 362 if(avctx->rc_buffer_size && avctx->bit_rate*(int64_t)avctx->time_base.num > avctx->rc_buffer_size * (int64_t)avctx->time_base.den){
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363 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
364 return -1;
365 }
366
8d39fbd6 367 if(!s->fixed_qscale && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
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368 av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
369 return -1;
370 }
371
372 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
373 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
374 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
375
376 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");
377 }
378
379 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
380 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
381 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
382 return -1;
383 }
384
385 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
386 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
387 return -1;
388 }
389
390 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
391 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
392 return -1;
393 }
394
395 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
396 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
397 return -1;
398 }
399
400 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
401 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
402 return -1;
403 }
404
405 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
406 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
407 return -1;
408 }
409
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410 if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 ||
411 s->codec_id == CODEC_ID_H263P) &&
412 (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) {
413 av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
414 avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
415 return -1;
416 }
417
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418 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
419 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
420 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
421 return -1;
422 }
423
424 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
425 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
426 return -1;
427 }
428
febea2f2 429 if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
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BF
430 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
431 return -1;
432 }
433
434 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
435 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
436 return -1;
437 }
438
439 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
7ce68923 440 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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BF
441 return -1;
442 }
443
444 if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
445 av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
446 return -1;
447 }
448
449 if(s->flags & CODEC_FLAG_LOW_DELAY){
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450 if (s->codec_id != CODEC_ID_MPEG2VIDEO){
451 av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
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452 return -1;
453 }
454 if (s->max_b_frames != 0){
455 av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
456 return -1;
457 }
458 }
459
460 if(s->q_scale_type == 1){
461 if(s->codec_id != CODEC_ID_MPEG2VIDEO){
462 av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
463 return -1;
464 }
465 if(avctx->qmax > 12){
466 av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
467 return -1;
468 }
469 }
470
471 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
472 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
473 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
474 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
475 return -1;
476 }
477
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MN
478 if(s->avctx->thread_count < 1){
479 av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
480 return -1;
481 }
482
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483 if(s->avctx->thread_count > 1)
484 s->rtp_mode= 1;
485
486 if(!avctx->time_base.den || !avctx->time_base.num){
487 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
488 return -1;
489 }
490
491 i= (INT_MAX/2+128)>>8;
492 if(avctx->me_threshold >= i){
493 av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
494 return -1;
495 }
496 if(avctx->mb_threshold >= i){
497 av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
498 return -1;
499 }
500
501 if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
502 av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
503 avctx->b_frame_strategy = 0;
504 }
505
9ce6c138 506 i= av_gcd(avctx->time_base.den, avctx->time_base.num);
3ada94ba
BF
507 if(i > 1){
508 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
509 avctx->time_base.den /= i;
510 avctx->time_base.num /= i;
511// return -1;
512 }
513
bd57cae8 514 if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO || s->codec_id==CODEC_ID_MJPEG){
3ada94ba
BF
515 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
516 s->inter_quant_bias= 0;
517 }else{
518 s->intra_quant_bias=0;
519 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
520 }
521
522 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
523 s->intra_quant_bias= avctx->intra_quant_bias;
524 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
525 s->inter_quant_bias= avctx->inter_quant_bias;
526
527 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
528
529 if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
2d777bb7
SS
530 av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, "
531 "the maximum admitted value for the timebase denominator is %d\n",
532 s->avctx->time_base.num, s->avctx->time_base.den, (1<<16)-1);
3ada94ba
BF
533 return -1;
534 }
535 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
536
537 switch(avctx->codec->id) {
538 case CODEC_ID_MPEG1VIDEO:
539 s->out_format = FMT_MPEG1;
540 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
541 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
542 break;
543 case CODEC_ID_MPEG2VIDEO:
544 s->out_format = FMT_MPEG1;
545 s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
546 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
547 s->rtp_mode= 1;
548 break;
549 case CODEC_ID_LJPEG:
550 case CODEC_ID_MJPEG:
551 s->out_format = FMT_MJPEG;
552 s->intra_only = 1; /* force intra only for jpeg */
a1a63143 553 if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){
e0b176ad
MN
554 s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
555 s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
556 s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
a1a63143
MN
557 }else{
558 s->mjpeg_vsample[0] = 2;
559 s->mjpeg_vsample[1] = 2>>chroma_v_shift;
560 s->mjpeg_vsample[2] = 2>>chroma_v_shift;
561 s->mjpeg_hsample[0] = 2;
562 s->mjpeg_hsample[1] = 2>>chroma_h_shift;
563 s->mjpeg_hsample[2] = 2>>chroma_h_shift;
e0b176ad 564 }
49fb20cb 565 if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
3ada94ba
BF
566 || ff_mjpeg_encode_init(s) < 0)
567 return -1;
568 avctx->delay=0;
569 s->low_delay=1;
570 break;
571 case CODEC_ID_H261:
49fb20cb 572 if (!CONFIG_H261_ENCODER) return -1;
3ada94ba
BF
573 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
574 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);
575 return -1;
576 }
577 s->out_format = FMT_H261;
578 avctx->delay=0;
579 s->low_delay=1;
580 break;
581 case CODEC_ID_H263:
49fb20cb 582 if (!CONFIG_H263_ENCODER) return -1;
35e33b9a 583 if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 8) {
3ada94ba
BF
584 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);
585 return -1;
586 }
587 s->out_format = FMT_H263;
588 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
589 avctx->delay=0;
590 s->low_delay=1;
591 break;
592 case CODEC_ID_H263P:
593 s->out_format = FMT_H263;
594 s->h263_plus = 1;
595 /* Fx */
596 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
597 s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
598 s->modified_quant= s->h263_aic;
599 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
600 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
601 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
602 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
603 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
604
605 /* /Fx */
606 /* These are just to be sure */
607 avctx->delay=0;
608 s->low_delay=1;
609 break;
610 case CODEC_ID_FLV1:
611 s->out_format = FMT_H263;
612 s->h263_flv = 2; /* format = 1; 11-bit codes */
613 s->unrestricted_mv = 1;
614 s->rtp_mode=0; /* don't allow GOB */
615 avctx->delay=0;
616 s->low_delay=1;
617 break;
618 case CODEC_ID_RV10:
619 s->out_format = FMT_H263;
620 avctx->delay=0;
621 s->low_delay=1;
622 break;
623 case CODEC_ID_RV20:
624 s->out_format = FMT_H263;
625 avctx->delay=0;
626 s->low_delay=1;
627 s->modified_quant=1;
628 s->h263_aic=1;
629 s->h263_plus=1;
630 s->loop_filter=1;
53eb458a 631 s->unrestricted_mv= 0;
3ada94ba
BF
632 break;
633 case CODEC_ID_MPEG4:
634 s->out_format = FMT_H263;
635 s->h263_pred = 1;
636 s->unrestricted_mv = 1;
637 s->low_delay= s->max_b_frames ? 0 : 1;
638 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
639 break;
640 case CODEC_ID_MSMPEG4V1:
641 s->out_format = FMT_H263;
642 s->h263_msmpeg4 = 1;
643 s->h263_pred = 1;
644 s->unrestricted_mv = 1;
645 s->msmpeg4_version= 1;
646 avctx->delay=0;
647 s->low_delay=1;
648 break;
649 case CODEC_ID_MSMPEG4V2:
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= 2;
655 avctx->delay=0;
656 s->low_delay=1;
657 break;
658 case CODEC_ID_MSMPEG4V3:
659 s->out_format = FMT_H263;
660 s->h263_msmpeg4 = 1;
661 s->h263_pred = 1;
662 s->unrestricted_mv = 1;
663 s->msmpeg4_version= 3;
664 s->flipflop_rounding=1;
665 avctx->delay=0;
666 s->low_delay=1;
667 break;
668 case CODEC_ID_WMV1:
669 s->out_format = FMT_H263;
670 s->h263_msmpeg4 = 1;
671 s->h263_pred = 1;
672 s->unrestricted_mv = 1;
673 s->msmpeg4_version= 4;
674 s->flipflop_rounding=1;
675 avctx->delay=0;
676 s->low_delay=1;
677 break;
678 case CODEC_ID_WMV2:
679 s->out_format = FMT_H263;
680 s->h263_msmpeg4 = 1;
681 s->h263_pred = 1;
682 s->unrestricted_mv = 1;
683 s->msmpeg4_version= 5;
684 s->flipflop_rounding=1;
685 avctx->delay=0;
686 s->low_delay=1;
687 break;
688 default:
689 return -1;
690 }
691
692 avctx->has_b_frames= !s->low_delay;
693
694 s->encoding = 1;
695
01bc48f4
BC
696 s->progressive_frame=
697 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
698
3ada94ba
BF
699 /* init */
700 if (MPV_common_init(s) < 0)
701 return -1;
702
53727262
AJ
703 if(!s->dct_quantize)
704 s->dct_quantize = dct_quantize_c;
705 if(!s->denoise_dct)
706 s->denoise_dct = denoise_dct_c;
707 s->fast_dct_quantize = s->dct_quantize;
febea2f2 708 if(avctx->trellis)
53727262
AJ
709 s->dct_quantize = dct_quantize_trellis_c;
710
49fb20cb 711 if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
3ada94ba 712 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
01bc48f4 713
3ada94ba
BF
714 s->quant_precision=5;
715
716 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
717 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
718
49fb20cb 719 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
3ada94ba 720 ff_h261_encode_init(s);
f34121f3 721 if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba 722 h263_encode_init(s);
49fb20cb 723 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
3ada94ba 724 ff_msmpeg4_encode_init(s);
49fb20cb 725 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
a6bc5731 726 && s->out_format == FMT_MPEG1)
3ada94ba
BF
727 ff_mpeg1_encode_init(s);
728
729 /* init q matrix */
730 for(i=0;i<64;i++) {
731 int j= s->dsp.idct_permutation[i];
49fb20cb 732 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
3ada94ba
BF
733 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
734 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
735 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
736 s->intra_matrix[j] =
737 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
738 }else
739 { /* mpeg1/2 */
740 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
741 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
742 }
743 if(s->avctx->intra_matrix)
744 s->intra_matrix[j] = s->avctx->intra_matrix[i];
745 if(s->avctx->inter_matrix)
746 s->inter_matrix[j] = s->avctx->inter_matrix[i];
747 }
748
749 /* precompute matrix */
750 /* for mjpeg, we do include qscale in the matrix */
751 if (s->out_format != FMT_MJPEG) {
69cea75f 752 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba 753 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
69cea75f 754 ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
3ada94ba
BF
755 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
756 }
757
758 if(ff_rate_control_init(s) < 0)
759 return -1;
760
761 return 0;
762}
763
98a6fff9 764av_cold int MPV_encode_end(AVCodecContext *avctx)
3ada94ba
BF
765{
766 MpegEncContext *s = avctx->priv_data;
767
768 ff_rate_control_uninit(s);
769
770 MPV_common_end(s);
49fb20cb 771 if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
3ada94ba
BF
772 ff_mjpeg_encode_close(s);
773
774 av_freep(&avctx->extradata);
775
776 return 0;
777}
778
779static int get_sae(uint8_t *src, int ref, int stride){
780 int x,y;
781 int acc=0;
782
783 for(y=0; y<16; y++){
784 for(x=0; x<16; x++){
785 acc+= FFABS(src[x+y*stride] - ref);
786 }
787 }
788
789 return acc;
790}
791
792static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
793 int x, y, w, h;
794 int acc=0;
795
796 w= s->width &~15;
797 h= s->height&~15;
798
799 for(y=0; y<h; y+=16){
800 for(x=0; x<w; x+=16){
801 int offset= x + y*stride;
802 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
803 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
804 int sae = get_sae(src + offset, mean, stride);
805
806 acc+= sae + 500 < sad;
807 }
808 }
809 return acc;
810}
811
812
813static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
814 AVFrame *pic=NULL;
815 int64_t pts;
816 int i;
817 const int encoding_delay= s->max_b_frames;
818 int direct=1;
819
820 if(pic_arg){
821 pts= pic_arg->pts;
822 pic_arg->display_picture_number= s->input_picture_number++;
823
824 if(pts != AV_NOPTS_VALUE){
825 if(s->user_specified_pts != AV_NOPTS_VALUE){
826 int64_t time= pts;
827 int64_t last= s->user_specified_pts;
828
829 if(time <= last){
830 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
831 return -1;
832 }
833 }
834 s->user_specified_pts= pts;
835 }else{
836 if(s->user_specified_pts != AV_NOPTS_VALUE){
837 s->user_specified_pts=
838 pts= s->user_specified_pts + 1;
839 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
840 }else{
841 pts= pic_arg->display_picture_number;
842 }
843 }
844 }
845
846 if(pic_arg){
847 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
848 if(pic_arg->linesize[0] != s->linesize) direct=0;
849 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
850 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
851
852// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
853
854 if(direct){
855 i= ff_find_unused_picture(s, 1);
856
857 pic= (AVFrame*)&s->picture[i];
858 pic->reference= 3;
859
860 for(i=0; i<4; i++){
861 pic->data[i]= pic_arg->data[i];
862 pic->linesize[i]= pic_arg->linesize[i];
863 }
be548816
PP
864 if(ff_alloc_picture(s, (Picture*)pic, 1) < 0){
865 return -1;
866 }
3ada94ba
BF
867 }else{
868 i= ff_find_unused_picture(s, 0);
869
870 pic= (AVFrame*)&s->picture[i];
871 pic->reference= 3;
872
be548816
PP
873 if(ff_alloc_picture(s, (Picture*)pic, 0) < 0){
874 return -1;
875 }
3ada94ba
BF
876
877 if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
878 && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
879 && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
880 // empty
881 }else{
882 int h_chroma_shift, v_chroma_shift;
883 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
884
885 for(i=0; i<3; i++){
886 int src_stride= pic_arg->linesize[i];
887 int dst_stride= i ? s->uvlinesize : s->linesize;
888 int h_shift= i ? h_chroma_shift : 0;
889 int v_shift= i ? v_chroma_shift : 0;
890 int w= s->width >>h_shift;
891 int h= s->height>>v_shift;
892 uint8_t *src= pic_arg->data[i];
893 uint8_t *dst= pic->data[i];
894
895 if(!s->avctx->rc_buffer_size)
896 dst +=INPLACE_OFFSET;
897
898 if(src_stride==dst_stride)
899 memcpy(dst, src, src_stride*h);
900 else{
901 while(h--){
902 memcpy(dst, src, w);
903 dst += dst_stride;
904 src += src_stride;
905 }
906 }
907 }
908 }
909 }
910 copy_picture_attributes(s, pic, pic_arg);
911 pic->pts= pts; //we set this here to avoid modifiying pic_arg
912 }
913
914 /* shift buffer entries */
915 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
916 s->input_picture[i-1]= s->input_picture[i];
917
918 s->input_picture[encoding_delay]= (Picture*)pic;
919
920 return 0;
921}
922
923static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
924 int x, y, plane;
925 int score=0;
926 int64_t score64=0;
927
928 for(plane=0; plane<3; plane++){
929 const int stride= p->linesize[plane];
930 const int bw= plane ? 1 : 2;
931 for(y=0; y<s->mb_height*bw; y++){
932 for(x=0; x<s->mb_width*bw; x++){
933 int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
934 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);
935
936 switch(s->avctx->frame_skip_exp){
937 case 0: score= FFMAX(score, v); break;
938 case 1: score+= FFABS(v);break;
939 case 2: score+= v*v;break;
940 case 3: score64+= FFABS(v*v*(int64_t)v);break;
941 case 4: score64+= v*v*(int64_t)(v*v);break;
942 }
943 }
944 }
945 }
946
947 if(score) score64= score;
948
949 if(score64 < s->avctx->frame_skip_threshold)
950 return 1;
951 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
952 return 1;
953 return 0;
954}
955
956static int estimate_best_b_count(MpegEncContext *s){
957 AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
958 AVCodecContext *c= avcodec_alloc_context();
959 AVFrame input[FF_MAX_B_FRAMES+2];
960 const int scale= s->avctx->brd_scale;
961 int i, j, out_size, p_lambda, b_lambda, lambda2;
962 int outbuf_size= s->width * s->height; //FIXME
963 uint8_t *outbuf= av_malloc(outbuf_size);
964 int64_t best_rd= INT64_MAX;
965 int best_b_count= -1;
966
967 assert(scale>=0 && scale <=3);
968
969// emms_c();
9701840b
AJ
970 p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
971 b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
3ada94ba
BF
972 if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
973 lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
974
975 c->width = s->width >> scale;
976 c->height= s->height>> scale;
977 c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
978 c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
979 c->mb_decision= s->avctx->mb_decision;
980 c->me_cmp= s->avctx->me_cmp;
981 c->mb_cmp= s->avctx->mb_cmp;
982 c->me_sub_cmp= s->avctx->me_sub_cmp;
983 c->pix_fmt = PIX_FMT_YUV420P;
984 c->time_base= s->avctx->time_base;
985 c->max_b_frames= s->max_b_frames;
986
987 if (avcodec_open(c, codec) < 0)
988 return -1;
989
990 for(i=0; i<s->max_b_frames+2; i++){
991 int ysize= c->width*c->height;
992 int csize= (c->width/2)*(c->height/2);
993 Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
994
995 avcodec_get_frame_defaults(&input[i]);
996 input[i].data[0]= av_malloc(ysize + 2*csize);
997 input[i].data[1]= input[i].data[0] + ysize;
998 input[i].data[2]= input[i].data[1] + csize;
999 input[i].linesize[0]= c->width;
1000 input[i].linesize[1]=
1001 input[i].linesize[2]= c->width/2;
1002
1003 if(pre_input_ptr && (!i || s->input_picture[i-1])) {
1004 pre_input= *pre_input_ptr;
1005
1006 if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
1007 pre_input.data[0]+=INPLACE_OFFSET;
1008 pre_input.data[1]+=INPLACE_OFFSET;
1009 pre_input.data[2]+=INPLACE_OFFSET;
1010 }
1011
1012 s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
1013 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);
1014 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);
1015 }
1016 }
1017
1018 for(j=0; j<s->max_b_frames+1; j++){
1019 int64_t rd=0;
1020
1021 if(!s->input_picture[j])
1022 break;
1023
1024 c->error[0]= c->error[1]= c->error[2]= 0;
1025
9701840b 1026 input[0].pict_type= FF_I_TYPE;
3ada94ba
BF
1027 input[0].quality= 1 * FF_QP2LAMBDA;
1028 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1029// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1030
1031 for(i=0; i<s->max_b_frames+1; i++){
1032 int is_p= i % (j+1) == j || i==s->max_b_frames;
1033
9701840b 1034 input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
3ada94ba
BF
1035 input[i+1].quality= is_p ? p_lambda : b_lambda;
1036 out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1037 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1038 }
1039
1040 /* get the delayed frames */
1041 while(out_size){
1042 out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1043 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1044 }
1045
1046 rd += c->error[0] + c->error[1] + c->error[2];
1047
1048 if(rd < best_rd){
1049 best_rd= rd;
1050 best_b_count= j;
1051 }
1052 }
1053
1054 av_freep(&outbuf);
1055 avcodec_close(c);
1056 av_freep(&c);
1057
1058 for(i=0; i<s->max_b_frames+2; i++){
1059 av_freep(&input[i].data[0]);
1060 }
1061
1062 return best_b_count;
1063}
1064
be548816 1065static int select_input_picture(MpegEncContext *s){
3ada94ba
BF
1066 int i;
1067
1068 for(i=1; i<MAX_PICTURE_COUNT; i++)
1069 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1070 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1071
1072 /* set next picture type & ordering */
1073 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1074 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1075 s->reordered_input_picture[0]= s->input_picture[0];
9701840b 1076 s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
3ada94ba
BF
1077 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1078 }else{
1079 int b_frames;
1080
1081 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1082 if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1083 //FIXME check that te gop check above is +-1 correct
1084//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1085
1086 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1087 for(i=0; i<4; i++)
1088 s->input_picture[0]->data[i]= NULL;
1089 s->input_picture[0]->type= 0;
1090 }else{
1091 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1092 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1093
1094 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1095 }
1096
1097 emms_c();
1098 ff_vbv_update(s, 0);
1099
1100 goto no_output_pic;
1101 }
1102 }
1103
1104 if(s->flags&CODEC_FLAG_PASS2){
1105 for(i=0; i<s->max_b_frames+1; i++){
1106 int pict_num= s->input_picture[0]->display_picture_number + i;
1107
1108 if(pict_num >= s->rc_context.num_entries)
1109 break;
1110 if(!s->input_picture[i]){
9701840b 1111 s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
3ada94ba
BF
1112 break;
1113 }
1114
1115 s->input_picture[i]->pict_type=
1116 s->rc_context.entry[pict_num].new_pict_type;
1117 }
1118 }
1119
1120 if(s->avctx->b_frame_strategy==0){
1121 b_frames= s->max_b_frames;
1122 while(b_frames && !s->input_picture[b_frames]) b_frames--;
1123 }else if(s->avctx->b_frame_strategy==1){
1124 for(i=1; i<s->max_b_frames+1; i++){
1125 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1126 s->input_picture[i]->b_frame_score=
1127 get_intra_count(s, s->input_picture[i ]->data[0],
1128 s->input_picture[i-1]->data[0], s->linesize) + 1;
1129 }
1130 }
1131 for(i=0; i<s->max_b_frames+1; i++){
1132 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1133 }
1134
1135 b_frames= FFMAX(0, i-1);
1136
1137 /* reset scores */
1138 for(i=0; i<b_frames+1; i++){
1139 s->input_picture[i]->b_frame_score=0;
1140 }
1141 }else if(s->avctx->b_frame_strategy==2){
1142 b_frames= estimate_best_b_count(s);
1143 }else{
1144 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1145 b_frames=0;
1146 }
1147
1148 emms_c();
1149//static int b_count=0;
1150//b_count+= b_frames;
1151//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1152
1153 for(i= b_frames - 1; i>=0; i--){
1154 int type= s->input_picture[i]->pict_type;
9701840b 1155 if(type && type != FF_B_TYPE)
3ada94ba
BF
1156 b_frames= i;
1157 }
9701840b 1158 if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
3ada94ba
BF
1159 av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1160 }
1161
1162 if(s->picture_in_gop_number + b_frames >= s->gop_size){
1163 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1164 b_frames= s->gop_size - s->picture_in_gop_number - 1;
1165 }else{
1166 if(s->flags & CODEC_FLAG_CLOSED_GOP)
1167 b_frames=0;
9701840b 1168 s->input_picture[b_frames]->pict_type= FF_I_TYPE;
3ada94ba
BF
1169 }
1170 }
1171
1172 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1173 && b_frames
9701840b 1174 && s->input_picture[b_frames]->pict_type== FF_I_TYPE)
3ada94ba
BF
1175 b_frames--;
1176
1177 s->reordered_input_picture[0]= s->input_picture[b_frames];
9701840b
AJ
1178 if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1179 s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
3ada94ba
BF
1180 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1181 for(i=0; i<b_frames; i++){
1182 s->reordered_input_picture[i+1]= s->input_picture[i];
9701840b 1183 s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
3ada94ba
BF
1184 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1185 }
1186 }
1187 }
1188no_output_pic:
1189 if(s->reordered_input_picture[0]){
9701840b 1190 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
3ada94ba 1191
8d2fc163 1192 ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
3ada94ba
BF
1193
1194 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1195 // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1196
1197 int i= ff_find_unused_picture(s, 0);
1198 Picture *pic= &s->picture[i];
1199
1200 pic->reference = s->reordered_input_picture[0]->reference;
be548816
PP
1201 if(ff_alloc_picture(s, pic, 0) < 0){
1202 return -1;
1203 }
3ada94ba
BF
1204
1205 /* mark us unused / free shared pic */
1206 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1207 s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1208 for(i=0; i<4; i++)
1209 s->reordered_input_picture[0]->data[i]= NULL;
1210 s->reordered_input_picture[0]->type= 0;
1211
1212 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1213
1214 s->current_picture_ptr= pic;
1215 }else{
1216 // input is not a shared pix -> reuse buffer for current_pix
1217
1218 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1219 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1220
1221 s->current_picture_ptr= s->reordered_input_picture[0];
1222 for(i=0; i<4; i++){
1223 s->new_picture.data[i]+= INPLACE_OFFSET;
1224 }
1225 }
8d2fc163 1226 ff_copy_picture(&s->current_picture, s->current_picture_ptr);
3ada94ba
BF
1227
1228 s->picture_number= s->new_picture.display_picture_number;
1229//printf("dpn:%d\n", s->picture_number);
1230 }else{
1231 memset(&s->new_picture, 0, sizeof(Picture));
1232 }
be548816 1233 return 0;
3ada94ba
BF
1234}
1235
1236int MPV_encode_picture(AVCodecContext *avctx,
1237 unsigned char *buf, int buf_size, void *data)
1238{
1239 MpegEncContext *s = avctx->priv_data;
1240 AVFrame *pic_arg = data;
1241 int i, stuffing_count;
1242
1243 for(i=0; i<avctx->thread_count; i++){
1244 int start_y= s->thread_context[i]->start_mb_y;
1245 int end_y= s->thread_context[i]-> end_mb_y;
1246 int h= s->mb_height;
1247 uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1248 uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1249
1250 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1251 }
1252
1253 s->picture_in_gop_number++;
1254
1255 if(load_input_picture(s, pic_arg) < 0)
1256 return -1;
1257
be548816
PP
1258 if(select_input_picture(s) < 0){
1259 return -1;
1260 }
3ada94ba
BF
1261
1262 /* output? */
1263 if(s->new_picture.data[0]){
1264 s->pict_type= s->new_picture.pict_type;
1265//emms_c();
1266//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1267 MPV_frame_start(s, avctx);
1268vbv_retry:
1269 if (encode_picture(s, s->picture_number) < 0)
1270 return -1;
1271
3ada94ba
BF
1272 avctx->header_bits = s->header_bits;
1273 avctx->mv_bits = s->mv_bits;
1274 avctx->misc_bits = s->misc_bits;
1275 avctx->i_tex_bits = s->i_tex_bits;
1276 avctx->p_tex_bits = s->p_tex_bits;
1277 avctx->i_count = s->i_count;
1278 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1279 avctx->skip_count = s->skip_count;
1280
1281 MPV_frame_end(s);
1282
49fb20cb 1283 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
3ada94ba
BF
1284 ff_mjpeg_encode_picture_trailer(s);
1285
1286 if(avctx->rc_buffer_size){
1287 RateControlContext *rcc= &s->rc_context;
3bff4d8b 1288 int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
3ada94ba
BF
1289
1290 if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1291 s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1292 if(s->adaptive_quant){
1293 int i;
1294 for(i=0; i<s->mb_height*s->mb_stride; i++)
1295 s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1296 }
1297 s->mb_skipped = 0; //done in MPV_frame_start()
9701840b 1298 if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
3ada94ba
BF
1299 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1300 s->no_rounding ^= 1;
1301 }
9701840b 1302 if(s->pict_type!=FF_B_TYPE){
3ada94ba
BF
1303 s->time_base= s->last_time_base;
1304 s->last_non_b_time= s->time - s->pp_time;
1305 }
1306// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1307 for(i=0; i<avctx->thread_count; i++){
1308 PutBitContext *pb= &s->thread_context[i]->pb;
1309 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1310 }
1311 goto vbv_retry;
1312 }
1313
1314 assert(s->avctx->rc_max_rate);
1315 }
1316
1317 if(s->flags&CODEC_FLAG_PASS1)
1318 ff_write_pass1_stats(s);
1319
1320 for(i=0; i<4; i++){
1321 s->current_picture_ptr->error[i]= s->current_picture.error[i];
1322 avctx->error[i] += s->current_picture_ptr->error[i];
1323 }
1324
1325 if(s->flags&CODEC_FLAG_PASS1)
1326 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1327 flush_put_bits(&s->pb);
1328 s->frame_bits = put_bits_count(&s->pb);
1329
1330 stuffing_count= ff_vbv_update(s, s->frame_bits);
1331 if(stuffing_count){
1332 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1333 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1334 return -1;
1335 }
1336
1337 switch(s->codec_id){
1338 case CODEC_ID_MPEG1VIDEO:
1339 case CODEC_ID_MPEG2VIDEO:
1340 while(stuffing_count--){
1341 put_bits(&s->pb, 8, 0);
1342 }
1343 break;
1344 case CODEC_ID_MPEG4:
1345 put_bits(&s->pb, 16, 0);
1346 put_bits(&s->pb, 16, 0x1C3);
1347 stuffing_count -= 4;
1348 while(stuffing_count--){
1349 put_bits(&s->pb, 8, 0xFF);
1350 }
1351 break;
1352 default:
1353 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1354 }
1355 flush_put_bits(&s->pb);
1356 s->frame_bits = put_bits_count(&s->pb);
1357 }
1358
1359 /* update mpeg1/2 vbv_delay for CBR */
1360 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1361 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
4601e76a
MN
1362 int vbv_delay, min_delay;
1363 double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1364 int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1365 double bits = s->rc_context.buffer_index + minbits - inbits;
1366
1367 if(bits<0)
1368 av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
3ada94ba
BF
1369
1370 assert(s->repeat_first_field==0);
1371
4601e76a
MN
1372 vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
1373 min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1374
1375 vbv_delay= FFMAX(vbv_delay, min_delay);
1376
3ada94ba
BF
1377 assert(vbv_delay < 0xFFFF);
1378
1379 s->vbv_delay_ptr[0] &= 0xF8;
1380 s->vbv_delay_ptr[0] |= vbv_delay>>13;
1381 s->vbv_delay_ptr[1] = vbv_delay>>5;
1382 s->vbv_delay_ptr[2] &= 0x07;
1383 s->vbv_delay_ptr[2] |= vbv_delay<<3;
55bad0c6 1384 avctx->vbv_delay = vbv_delay*300;
3ada94ba
BF
1385 }
1386 s->total_bits += s->frame_bits;
1387 avctx->frame_bits = s->frame_bits;
1388 }else{
fb53b4a0 1389 assert((put_bits_ptr(&s->pb) == s->pb.buf));
3ada94ba
BF
1390 s->frame_bits=0;
1391 }
1392 assert((s->frame_bits&7)==0);
1393
1394 return s->frame_bits/8;
1395}
1396
1397static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1398{
1399 static const char tab[64]=
1400 {3,2,2,1,1,1,1,1,
1401 1,1,1,1,1,1,1,1,
1402 1,1,1,1,1,1,1,1,
1403 0,0,0,0,0,0,0,0,
1404 0,0,0,0,0,0,0,0,
1405 0,0,0,0,0,0,0,0,
1406 0,0,0,0,0,0,0,0,
1407 0,0,0,0,0,0,0,0};
1408 int score=0;
1409 int run=0;
1410 int i;
1411 DCTELEM *block= s->block[n];
1412 const int last_index= s->block_last_index[n];
1413 int skip_dc;
1414
1415 if(threshold<0){
1416 skip_dc=0;
1417 threshold= -threshold;
1418 }else
1419 skip_dc=1;
1420
bd107136 1421 /* Are all we could set to zero already zero? */
3ada94ba
BF
1422 if(last_index<=skip_dc - 1) return;
1423
1424 for(i=0; i<=last_index; i++){
1425 const int j = s->intra_scantable.permutated[i];
1426 const int level = FFABS(block[j]);
1427 if(level==1){
1428 if(skip_dc && i==0) continue;
1429 score+= tab[run];
1430 run=0;
1431 }else if(level>1){
1432 return;
1433 }else{
1434 run++;
1435 }
1436 }
1437 if(score >= threshold) return;
1438 for(i=skip_dc; i<=last_index; i++){
1439 const int j = s->intra_scantable.permutated[i];
1440 block[j]=0;
1441 }
1442 if(block[0]) s->block_last_index[n]= 0;
1443 else s->block_last_index[n]= -1;
1444}
1445
1446static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1447{
1448 int i;
1449 const int maxlevel= s->max_qcoeff;
1450 const int minlevel= s->min_qcoeff;
1451 int overflow=0;
1452
1453 if(s->mb_intra){
1454 i=1; //skip clipping of intra dc
1455 }else
1456 i=0;
1457
1458 for(;i<=last_index; i++){
1459 const int j= s->intra_scantable.permutated[i];
1460 int level = block[j];
1461
1462 if (level>maxlevel){
1463 level=maxlevel;
1464 overflow++;
1465 }else if(level<minlevel){
1466 level=minlevel;
1467 overflow++;
1468 }
1469
1470 block[j]= level;
1471 }
1472
1473 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1474 av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1475}
1476
f073a393 1477static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
3ada94ba
BF
1478 int x, y;
1479//FIXME optimize
1480 for(y=0; y<8; y++){
1481 for(x=0; x<8; x++){
1482 int x2, y2;
1483 int sum=0;
1484 int sqr=0;
1485 int count=0;
1486
1487 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1488 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1489 int v= ptr[x2 + y2*stride];
1490 sum += v;
1491 sqr += v*v;
1492 count++;
1493 }
1494 }
1495 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1496 }
1497 }
1498}
1499
1500static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1501{
1502 int16_t weight[8][64];
1503 DCTELEM orig[8][64];
1504 const int mb_x= s->mb_x;
1505 const int mb_y= s->mb_y;
1506 int i;
1507 int skip_dct[8];
1508 int dct_offset = s->linesize*8; //default for progressive frames
1509 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1510 int wrap_y, wrap_c;
1511
1512 for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1513
1514 if(s->adaptive_quant){
1515 const int last_qp= s->qscale;
1516 const int mb_xy= mb_x + mb_y*s->mb_stride;
1517
1518 s->lambda= s->lambda_table[mb_xy];
1519 update_qscale(s);
1520
1521 if(!(s->flags&CODEC_FLAG_QP_RD)){
1522 s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1523 s->dquant= s->qscale - last_qp;
1524
1525 if(s->out_format==FMT_H263){
1526 s->dquant= av_clip(s->dquant, -2, 2);
1527
1528 if(s->codec_id==CODEC_ID_MPEG4){
1529 if(!s->mb_intra){
9701840b 1530 if(s->pict_type == FF_B_TYPE){
3ada94ba
BF
1531 if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1532 s->dquant= 0;
1533 }
1534 if(s->mv_type==MV_TYPE_8X8)
1535 s->dquant=0;
1536 }
1537 }
1538 }
1539 }
1540 ff_set_qscale(s, last_qp + s->dquant);
1541 }else if(s->flags&CODEC_FLAG_QP_RD)
1542 ff_set_qscale(s, s->qscale + s->dquant);
1543
1544 wrap_y = s->linesize;
1545 wrap_c = s->uvlinesize;
1546 ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1547 ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1548 ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1549
1550 if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1551 uint8_t *ebuf= s->edge_emu_buffer + 32;
2e279598 1552 s->dsp.emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
3ada94ba 1553 ptr_y= ebuf;
2e279598 1554 s->dsp.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);
3ada94ba 1555 ptr_cb= ebuf+18*wrap_y;
2e279598 1556 s->dsp.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);
3ada94ba
BF
1557 ptr_cr= ebuf+18*wrap_y+8;
1558 }
1559
1560 if (s->mb_intra) {
1561 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1562 int progressive_score, interlaced_score;
1563
1564 s->interlaced_dct=0;
1565 progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1566 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1567
1568 if(progressive_score > 0){
1569 interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1570 +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1571 if(progressive_score > interlaced_score){
1572 s->interlaced_dct=1;
1573
1574 dct_offset= wrap_y;
1575 wrap_y<<=1;
1576 if (s->chroma_format == CHROMA_422)
1577 wrap_c<<=1;
1578 }
1579 }
1580 }
1581
1582 s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1583 s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1584 s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1585 s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1586
1587 if(s->flags&CODEC_FLAG_GRAY){
1588 skip_dct[4]= 1;
1589 skip_dct[5]= 1;
1590 }else{
1591 s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1592 s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1593 if(!s->chroma_y_shift){ /* 422 */
1594 s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1595 s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1596 }
1597 }
1598 }else{
1599 op_pixels_func (*op_pix)[4];
1600 qpel_mc_func (*op_qpix)[16];
1601 uint8_t *dest_y, *dest_cb, *dest_cr;
1602
1603 dest_y = s->dest[0];
1604 dest_cb = s->dest[1];
1605 dest_cr = s->dest[2];
1606
9701840b 1607 if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
3ada94ba
BF
1608 op_pix = s->dsp.put_pixels_tab;
1609 op_qpix= s->dsp.put_qpel_pixels_tab;
1610 }else{
1611 op_pix = s->dsp.put_no_rnd_pixels_tab;
1612 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1613 }
1614
1615 if (s->mv_dir & MV_DIR_FORWARD) {
1616 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1617 op_pix = s->dsp.avg_pixels_tab;
1618 op_qpix= s->dsp.avg_qpel_pixels_tab;
1619 }
1620 if (s->mv_dir & MV_DIR_BACKWARD) {
1621 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1622 }
1623
1624 if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1625 int progressive_score, interlaced_score;
1626
1627 s->interlaced_dct=0;
1628 progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1629 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1630
1631 if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1632
1633 if(progressive_score>0){
1634 interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1635 +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1636
1637 if(progressive_score > interlaced_score){
1638 s->interlaced_dct=1;
1639
1640 dct_offset= wrap_y;
1641 wrap_y<<=1;
1642 if (s->chroma_format == CHROMA_422)
1643 wrap_c<<=1;
1644 }
1645 }
1646 }
1647
1648 s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1649 s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1650 s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1651 s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1652
1653 if(s->flags&CODEC_FLAG_GRAY){
1654 skip_dct[4]= 1;
1655 skip_dct[5]= 1;
1656 }else{
1657 s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1658 s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1659 if(!s->chroma_y_shift){ /* 422 */
1660 s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1661 s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1662 }
1663 }
1664 /* pre quantization */
1665 if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1666 //FIXME optimize
1667 if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1668 if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1669 if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1670 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;
1671 if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1672 if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1673 if(!s->chroma_y_shift){ /* 422 */
1674 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;
1675 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;
1676 }
1677 }
1678 }
1679
1680 if(s->avctx->quantizer_noise_shaping){
f073a393
DB
1681 if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1682 if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1683 if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1684 if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1685 if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1686 if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
3ada94ba 1687 if(!s->chroma_y_shift){ /* 422 */
f073a393
DB
1688 if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1689 if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
3ada94ba
BF
1690 }
1691 memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1692 }
1693
1694 /* DCT & quantize */
1695 assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1696 {
1697 for(i=0;i<mb_block_count;i++) {
1698 if(!skip_dct[i]){
1699 int overflow;
1700 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1701 // FIXME we could decide to change to quantizer instead of clipping
1702 // JS: I don't think that would be a good idea it could lower quality instead
1703 // of improve it. Just INTRADC clipping deserves changes in quantizer
1704 if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1705 }else
1706 s->block_last_index[i]= -1;
1707 }
1708 if(s->avctx->quantizer_noise_shaping){
1709 for(i=0;i<mb_block_count;i++) {
1710 if(!skip_dct[i]){
1711 s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1712 }
1713 }
1714 }
1715
1716 if(s->luma_elim_threshold && !s->mb_intra)
1717 for(i=0; i<4; i++)
1718 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1719 if(s->chroma_elim_threshold && !s->mb_intra)
1720 for(i=4; i<mb_block_count; i++)
1721 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1722
1723 if(s->flags & CODEC_FLAG_CBP_RD){
1724 for(i=0;i<mb_block_count;i++) {
1725 if(s->block_last_index[i] == -1)
1726 s->coded_score[i]= INT_MAX/256;
1727 }
1728 }
1729 }
1730
1731 if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1732 s->block_last_index[4]=
1733 s->block_last_index[5]= 0;
1734 s->block[4][0]=
1735 s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1736 }
1737
1738 //non c quantize code returns incorrect block_last_index FIXME
1739 if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1740 for(i=0; i<mb_block_count; i++){
1741 int j;
1742 if(s->block_last_index[i]>0){
1743 for(j=63; j>0; j--){
1744 if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1745 }
1746 s->block_last_index[i]= j;
1747 }
1748 }
1749 }
1750
1751 /* huffman encode */
1752 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1753 case CODEC_ID_MPEG1VIDEO:
1754 case CODEC_ID_MPEG2VIDEO:
49fb20cb 1755 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
56be950a
AJ
1756 mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1757 break;
3ada94ba 1758 case CODEC_ID_MPEG4:
49fb20cb 1759 if (CONFIG_MPEG4_ENCODER)
674eeb5f
AJ
1760 mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1761 break;
3ada94ba
BF
1762 case CODEC_ID_MSMPEG4V2:
1763 case CODEC_ID_MSMPEG4V3:
1764 case CODEC_ID_WMV1:
49fb20cb 1765 if (CONFIG_MSMPEG4_ENCODER)
3ada94ba
BF
1766 msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1767 break;
1768 case CODEC_ID_WMV2:
49fb20cb 1769 if (CONFIG_WMV2_ENCODER)
3ada94ba
BF
1770 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1771 break;
1772 case CODEC_ID_H261:
49fb20cb 1773 if (CONFIG_H261_ENCODER)
3ada94ba
BF
1774 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1775 break;
1776 case CODEC_ID_H263:
1777 case CODEC_ID_H263P:
1778 case CODEC_ID_FLV1:
1779 case CODEC_ID_RV10:
1780 case CODEC_ID_RV20:
0bd48530 1781 if (CONFIG_H263_ENCODER)
674eeb5f
AJ
1782 h263_encode_mb(s, s->block, motion_x, motion_y);
1783 break;
3ada94ba 1784 case CODEC_ID_MJPEG:
49fb20cb 1785 if (CONFIG_MJPEG_ENCODER)
3ada94ba
BF
1786 ff_mjpeg_encode_mb(s, s->block);
1787 break;
1788 default:
1789 assert(0);
1790 }
1791}
1792
1793static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1794{
1795 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1796 else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1797}
1798
3ada94ba
BF
1799static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1800 int i;
1801
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 d->last_bits= 0;
1819
1820 d->mb_skipped= 0;
1821 d->qscale= s->qscale;
1822 d->dquant= s->dquant;
9f175aa0
MN
1823
1824 d->esc3_level_length= s->esc3_level_length;
3ada94ba
BF
1825}
1826
1827static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1828 int i;
1829
1830 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1831 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1832
1833 /* mpeg1 */
1834 d->mb_skip_run= s->mb_skip_run;
1835 for(i=0; i<3; i++)
1836 d->last_dc[i]= s->last_dc[i];
1837
1838 /* statistics */
1839 d->mv_bits= s->mv_bits;
1840 d->i_tex_bits= s->i_tex_bits;
1841 d->p_tex_bits= s->p_tex_bits;
1842 d->i_count= s->i_count;
1843 d->f_count= s->f_count;
1844 d->b_count= s->b_count;
1845 d->skip_count= s->skip_count;
1846 d->misc_bits= s->misc_bits;
1847
1848 d->mb_intra= s->mb_intra;
1849 d->mb_skipped= s->mb_skipped;
1850 d->mv_type= s->mv_type;
1851 d->mv_dir= s->mv_dir;
1852 d->pb= s->pb;
1853 if(s->data_partitioning){
1854 d->pb2= s->pb2;
1855 d->tex_pb= s->tex_pb;
1856 }
1857 d->block= s->block;
1858 for(i=0; i<8; i++)
1859 d->block_last_index[i]= s->block_last_index[i];
1860 d->interlaced_dct= s->interlaced_dct;
1861 d->qscale= s->qscale;
9f175aa0
MN
1862
1863 d->esc3_level_length= s->esc3_level_length;
3ada94ba
BF
1864}
1865
1866static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1867 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1868 int *dmin, int *next_block, int motion_x, int motion_y)
1869{
1870 int score;
1871 uint8_t *dest_backup[3];
1872
1873 copy_context_before_encode(s, backup, type);
1874
1875 s->block= s->blocks[*next_block];
1876 s->pb= pb[*next_block];
1877 if(s->data_partitioning){
1878 s->pb2 = pb2 [*next_block];
1879 s->tex_pb= tex_pb[*next_block];
1880 }
1881
1882 if(*next_block){
1883 memcpy(dest_backup, s->dest, sizeof(s->dest));
1884 s->dest[0] = s->rd_scratchpad;
1885 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1886 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1887 assert(s->linesize >= 32); //FIXME
1888 }
1889
1890 encode_mb(s, motion_x, motion_y);
1891
1892 score= put_bits_count(&s->pb);
1893 if(s->data_partitioning){
1894 score+= put_bits_count(&s->pb2);
1895 score+= put_bits_count(&s->tex_pb);
1896 }
1897
1898 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1899 MPV_decode_mb(s, s->block);
1900
1901 score *= s->lambda2;
1902 score += sse_mb(s) << FF_LAMBDA_SHIFT;
1903 }
1904
1905 if(*next_block){
1906 memcpy(s->dest, dest_backup, sizeof(s->dest));
1907 }
1908
1909 if(score<*dmin){
1910 *dmin= score;
1911 *next_block^=1;
1912
1913 copy_context_after_encode(best, s, type);
1914 }
1915}
1916
1917static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1918 uint32_t *sq = ff_squareTbl + 256;
1919 int acc=0;
1920 int x,y;
1921
1922 if(w==16 && h==16)
1923 return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1924 else if(w==8 && h==8)
1925 return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1926
1927 for(y=0; y<h; y++){
1928 for(x=0; x<w; x++){
1929 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1930 }
1931 }
1932
1933 assert(acc>=0);
1934
1935 return acc;
1936}
1937
1938static int sse_mb(MpegEncContext *s){
1939 int w= 16;
1940 int h= 16;
1941
1942 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1943 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1944
1945 if(w==16 && h==16)
1946 if(s->avctx->mb_cmp == FF_CMP_NSSE){
1947 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)
1948 +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)
1949 +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);
1950 }else{
1951 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)
1952 +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)
1953 +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);
1954 }
1955 else
1956 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)
1957 +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)
1958 +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);
1959}
1960
1961static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
3a84713a 1962 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1963
1964
1965 s->me.pre_pass=1;
1966 s->me.dia_size= s->avctx->pre_dia_size;
1967 s->first_slice_line=1;
1968 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1969 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1970 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1971 }
1972 s->first_slice_line=0;
1973 }
1974
1975 s->me.pre_pass=0;
1976
1977 return 0;
1978}
1979
1980static int estimate_motion_thread(AVCodecContext *c, void *arg){
3a84713a 1981 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
1982
1983 ff_check_alignment();
1984
1985 s->me.dia_size= s->avctx->dia_size;
1986 s->first_slice_line=1;
1987 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1988 s->mb_x=0; //for block init below
1989 ff_init_block_index(s);
1990 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1991 s->block_index[0]+=2;
1992 s->block_index[1]+=2;
1993 s->block_index[2]+=2;
1994 s->block_index[3]+=2;
1995
1996 /* compute motion vector & mb_type and store in context */
9701840b 1997 if(s->pict_type==FF_B_TYPE)
3ada94ba
BF
1998 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1999 else
2000 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
2001 }
2002 s->first_slice_line=0;
2003 }
2004 return 0;
2005}
2006
2007static int mb_var_thread(AVCodecContext *c, void *arg){
3a84713a 2008 MpegEncContext *s= *(void**)arg;
3ada94ba
BF
2009 int mb_x, mb_y;
2010
2011 ff_check_alignment();
2012
2013 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2014 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2015 int xx = mb_x * 16;
2016 int yy = mb_y * 16;
2017 uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
2018 int varc;
2019 int sum = s->dsp.pix_sum(pix, s->linesize);
2020
2021 varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
2022
2023 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
2024 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
2025 s->me.mb_var_sum_temp += varc;
2026 }
2027 }
2028 return 0;
2029}
2030
2031static void write_slice_end(MpegEncContext *s){
49fb20cb 2032 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
3ada94ba
BF
2033 if(s->partitioned_frame){
2034 ff_mpeg4_merge_partitions(s);
2035 }
2036
2037 ff_mpeg4_stuffing(&s->pb);
49fb20cb 2038 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
3ada94ba
BF
2039 ff_mjpeg_encode_stuffing(&s->pb);
2040 }
2041
2042 align_put_bits(&s->pb);
2043 flush_put_bits(&s->pb);
2044
2045 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2046 s->misc_bits+= get_bits_diff(s);
2047}
2048
2049static int encode_thread(AVCodecContext *c, void *arg){
3a84713a 2050 MpegEncContext *s= *(void**)arg;
3ada94ba 2051 int mb_x, mb_y, pdif = 0;
ec7e2582 2052 int chr_h= 16>>s->chroma_y_shift;
3ada94ba
BF
2053 int i, j;
2054 MpegEncContext best_s, backup_s;
2055 uint8_t bit_buf[2][MAX_MB_BYTES];
2056 uint8_t bit_buf2[2][MAX_MB_BYTES];
2057 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2058 PutBitContext pb[2], pb2[2], tex_pb[2];
2059//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2060
2061 ff_check_alignment();
2062
2063 for(i=0; i<2; i++){
2064 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2065 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2066 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2067 }
2068
2069 s->last_bits= put_bits_count(&s->pb);
2070 s->mv_bits=0;
2071 s->misc_bits=0;
2072 s->i_tex_bits=0;
2073 s->p_tex_bits=0;
2074 s->i_count=0;
2075 s->f_count=0;
2076 s->b_count=0;
2077 s->skip_count=0;
2078
2079 for(i=0; i<3; i++){
2080 /* init last dc values */
2081 /* note: quant matrix value (8) is implied here */
2082 s->last_dc[i] = 128 << s->intra_dc_precision;
2083
2084 s->current_picture.error[i] = 0;
2085 }
2086 s->mb_skip_run = 0;
2087 memset(s->last_mv, 0, sizeof(s->last_mv));
2088
2089 s->last_mv_dir = 0;
2090
2091 switch(s->codec_id){
2092 case CODEC_ID_H263:
2093 case CODEC_ID_H263P:
2094 case CODEC_ID_FLV1:
0bd48530 2095 if (CONFIG_H263_ENCODER)
674eeb5f 2096 s->gob_index = ff_h263_get_gob_height(s);
3ada94ba
BF
2097 break;
2098 case CODEC_ID_MPEG4:
49fb20cb 2099 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
3ada94ba
BF
2100 ff_mpeg4_init_partitions(s);
2101 break;
2102 }
2103
2104 s->resync_mb_x=0;
2105 s->resync_mb_y=0;
2106 s->first_slice_line = 1;
2107 s->ptr_lastgob = s->pb.buf;
2108 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2109// printf("row %d at %X\n", s->mb_y, (int)s);
2110 s->mb_x=0;
2111 s->mb_y= mb_y;
2112
2113 ff_set_qscale(s, s->qscale);
2114 ff_init_block_index(s);
2115
2116 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2117 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2118 int mb_type= s->mb_type[xy];
2119// int d;
2120 int dmin= INT_MAX;
2121 int dir;
2122
2123 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2124 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2125 return -1;
2126 }
2127 if(s->data_partitioning){
2128 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2129 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2130 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2131 return -1;
2132 }
2133 }
2134
2135 s->mb_x = mb_x;
2136 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2137 ff_update_block_index(s);
2138
49fb20cb 2139 if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
3ada94ba
BF
2140 ff_h261_reorder_mb_index(s);
2141 xy= s->mb_y*s->mb_stride + s->mb_x;
2142 mb_type= s->mb_type[xy];
2143 }
2144
2145 /* write gob / video packet header */
2146 if(s->rtp_mode){
2147 int current_packet_size, is_gob_start;
2148
2149 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2150
2151 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2152
2153 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2154
2155 switch(s->codec_id){
2156 case CODEC_ID_H263:
2157 case CODEC_ID_H263P:
2158 if(!s->h263_slice_structured)
2159 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2160 break;
2161 case CODEC_ID_MPEG2VIDEO:
2162 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2163 case CODEC_ID_MPEG1VIDEO:
2164 if(s->mb_skip_run) is_gob_start=0;
2165 break;
2166 }
2167
2168 if(is_gob_start){
2169 if(s->start_mb_y != mb_y || mb_x!=0){
2170 write_slice_end(s);
2171
49fb20cb 2172 if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
3ada94ba
BF
2173 ff_mpeg4_init_partitions(s);
2174 }
2175 }
2176
2177 assert((put_bits_count(&s->pb)&7) == 0);
fb53b4a0 2178 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
3ada94ba
BF
2179
2180 if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2181 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2182 int d= 100 / s->avctx->error_rate;
2183 if(r % d == 0){
2184 current_packet_size=0;
2185#ifndef ALT_BITSTREAM_WRITER
2186 s->pb.buf_ptr= s->ptr_lastgob;
2187#endif
fb53b4a0 2188 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
3ada94ba
BF
2189 }
2190 }
2191
2192 if (s->avctx->rtp_callback){
2193 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2194 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2195 }
2196
2197 switch(s->codec_id){
2198 case CODEC_ID_MPEG4:
49fb20cb 2199 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2200 ff_mpeg4_encode_video_packet_header(s);
2201 ff_mpeg4_clean_buffers(s);
eb75a698 2202 }
3ada94ba
BF
2203 break;
2204 case CODEC_ID_MPEG1VIDEO:
2205 case CODEC_ID_MPEG2VIDEO:
49fb20cb 2206 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
56be950a
AJ
2207 ff_mpeg1_encode_slice_header(s);
2208 ff_mpeg1_clean_buffers(s);
a6bc5731 2209 }
3ada94ba
BF
2210 break;
2211 case CODEC_ID_H263:
2212 case CODEC_ID_H263P:
965424da 2213 if (CONFIG_H263_ENCODER)
674eeb5f 2214 h263_encode_gob_header(s, mb_y);
3ada94ba
BF
2215 break;
2216 }
2217
2218 if(s->flags&CODEC_FLAG_PASS1){
2219 int bits= put_bits_count(&s->pb);
2220 s->misc_bits+= bits - s->last_bits;
2221 s->last_bits= bits;
2222 }
2223
2224 s->ptr_lastgob += current_packet_size;
2225 s->first_slice_line=1;
2226 s->resync_mb_x=mb_x;
2227 s->resync_mb_y=mb_y;
2228 }
2229 }
2230
2231 if( (s->resync_mb_x == s->mb_x)
2232 && s->resync_mb_y+1 == s->mb_y){
2233 s->first_slice_line=0;
2234 }
2235
2236 s->mb_skipped=0;
2237 s->dquant=0; //only for QP_RD
2238
2239 if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2240 int next_block=0;
2241 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2242
2243 copy_context_before_encode(&backup_s, s, -1);
2244 backup_s.pb= s->pb;
2245 best_s.data_partitioning= s->data_partitioning;
2246 best_s.partitioned_frame= s->partitioned_frame;
2247 if(s->data_partitioning){
2248 backup_s.pb2= s->pb2;
2249 backup_s.tex_pb= s->tex_pb;
2250 }
2251
2252 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2253 s->mv_dir = MV_DIR_FORWARD;
2254 s->mv_type = MV_TYPE_16X16;
2255 s->mb_intra= 0;
2256 s->mv[0][0][0] = s->p_mv_table[xy][0];
2257 s->mv[0][0][1] = s->p_mv_table[xy][1];
2258 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2259 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2260 }
2261 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2262 s->mv_dir = MV_DIR_FORWARD;
2263 s->mv_type = MV_TYPE_FIELD;
2264 s->mb_intra= 0;
2265 for(i=0; i<2; i++){
2266 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2267 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2268 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2269 }
2270 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2271 &dmin, &next_block, 0, 0);
2272 }
2273 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2274 s->mv_dir = MV_DIR_FORWARD;
2275 s->mv_type = MV_TYPE_16X16;
2276 s->mb_intra= 0;
2277 s->mv[0][0][0] = 0;
2278 s->mv[0][0][1] = 0;
2279 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2280 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2281 }
2282 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2283 s->mv_dir = MV_DIR_FORWARD;
2284 s->mv_type = MV_TYPE_8X8;
2285 s->mb_intra= 0;
2286 for(i=0; i<4; i++){
2287 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2288 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2289 }
2290 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2291 &dmin, &next_block, 0, 0);
2292 }
2293 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2294 s->mv_dir = MV_DIR_FORWARD;
2295 s->mv_type = MV_TYPE_16X16;
2296 s->mb_intra= 0;
2297 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2298 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2299 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2300 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2301 }
2302 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2303 s->mv_dir = MV_DIR_BACKWARD;
2304 s->mv_type = MV_TYPE_16X16;
2305 s->mb_intra= 0;
2306 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2307 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2308 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2309 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2310 }
2311 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2312 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2313 s->mv_type = MV_TYPE_16X16;
2314 s->mb_intra= 0;
2315 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2316 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2317 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2318 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2319 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2320 &dmin, &next_block, 0, 0);
2321 }
2322 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2323 s->mv_dir = MV_DIR_FORWARD;
2324 s->mv_type = MV_TYPE_FIELD;
2325 s->mb_intra= 0;
2326 for(i=0; i<2; i++){
2327 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2328 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2329 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2330 }
2331 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2332 &dmin, &next_block, 0, 0);
2333 }
2334 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2335 s->mv_dir = MV_DIR_BACKWARD;
2336 s->mv_type = MV_TYPE_FIELD;
2337 s->mb_intra= 0;
2338 for(i=0; i<2; i++){
2339 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2340 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2341 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2342 }
2343 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2344 &dmin, &next_block, 0, 0);
2345 }
2346 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2347 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2348 s->mv_type = MV_TYPE_FIELD;
2349 s->mb_intra= 0;
2350 for(dir=0; dir<2; dir++){
2351 for(i=0; i<2; i++){
2352 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2353 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2354 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2355 }
2356 }
2357 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2358 &dmin, &next_block, 0, 0);
2359 }
2360 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2361 s->mv_dir = 0;
2362 s->mv_type = MV_TYPE_16X16;
2363 s->mb_intra= 1;
2364 s->mv[0][0][0] = 0;
2365 s->mv[0][0][1] = 0;
2366 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2367 &dmin, &next_block, 0, 0);
2368 if(s->h263_pred || s->h263_aic){
2369 if(best_s.mb_intra)
2370 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2371 else
2372 ff_clean_intra_table_entries(s); //old mode?
2373 }
2374 }
2375
2376 if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2377 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2378 const int last_qp= backup_s.qscale;
2379 int qpi, qp, dc[6];
2380 DCTELEM ac[6][16];
2381 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2382 static const int dquant_tab[4]={-1,1,-2,2};
2383
2384 assert(backup_s.dquant == 0);
2385
2386 //FIXME intra
2387 s->mv_dir= best_s.mv_dir;
2388 s->mv_type = MV_TYPE_16X16;
2389 s->mb_intra= best_s.mb_intra;
2390 s->mv[0][0][0] = best_s.mv[0][0][0];
2391 s->mv[0][0][1] = best_s.mv[0][0][1];
2392 s->mv[1][0][0] = best_s.mv[1][0][0];
2393 s->mv[1][0][1] = best_s.mv[1][0][1];
2394
9701840b 2395 qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
3ada94ba
BF
2396 for(; qpi<4; qpi++){
2397 int dquant= dquant_tab[qpi];
2398 qp= last_qp + dquant;
2399 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2400 continue;
2401 backup_s.dquant= dquant;
2402 if(s->mb_intra && s->dc_val[0]){
2403 for(i=0; i<6; i++){
2404 dc[i]= s->dc_val[0][ s->block_index[i] ];
2405 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2406 }
2407 }
2408
2409 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2410 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2411 if(best_s.qscale != qp){
2412 if(s->mb_intra && s->dc_val[0]){
2413 for(i=0; i<6; i++){
2414 s->dc_val[0][ s->block_index[i] ]= dc[i];
2415 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2416 }
2417 }
2418 }
2419 }
2420 }
2421 }
49fb20cb 2422 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
3ada94ba
BF
2423 int mx= s->b_direct_mv_table[xy][0];
2424 int my= s->b_direct_mv_table[xy][1];
2425
2426 backup_s.dquant = 0;
2427 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2428 s->mb_intra= 0;
2429 ff_mpeg4_set_direct_mv(s, mx, my);
2430 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2431 &dmin, &next_block, mx, my);
2432 }
49fb20cb 2433 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
3ada94ba
BF
2434 backup_s.dquant = 0;
2435 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2436 s->mb_intra= 0;
2437 ff_mpeg4_set_direct_mv(s, 0, 0);
2438 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2439 &dmin, &next_block, 0, 0);
2440 }
2441 if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2442 int coded=0;
2443 for(i=0; i<6; i++)
2444 coded |= s->block_last_index[i];
2445 if(coded){
2446 int mx,my;
2447 memcpy(s->mv, best_s.mv, sizeof(s->mv));
49fb20cb 2448 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
3ada94ba
BF
2449 mx=my=0; //FIXME find the one we actually used
2450 ff_mpeg4_set_direct_mv(s, mx, my);
2451 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2452 mx= s->mv[1][0][0];
2453 my= s->mv[1][0][1];
2454 }else{
2455 mx= s->mv[0][0][0];
2456 my= s->mv[0][0][1];
2457 }
2458
2459 s->mv_dir= best_s.mv_dir;
2460 s->mv_type = best_s.mv_type;
2461 s->mb_intra= 0;
2462/* s->mv[0][0][0] = best_s.mv[0][0][0];
2463 s->mv[0][0][1] = best_s.mv[0][0][1];
2464 s->mv[1][0][0] = best_s.mv[1][0][0];
2465 s->mv[1][0][1] = best_s.mv[1][0][1];*/
2466 backup_s.dquant= 0;
2467 s->skipdct=1;
2468 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2469 &dmin, &next_block, mx, my);
2470 s->skipdct=0;
2471 }
2472 }
2473
2474 s->current_picture.qscale_table[xy]= best_s.qscale;
2475
2476 copy_context_after_encode(s, &best_s, -1);
2477
2478 pb_bits_count= put_bits_count(&s->pb);
2479 flush_put_bits(&s->pb);
2480 ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2481 s->pb= backup_s.pb;
2482
2483 if(s->data_partitioning){
2484 pb2_bits_count= put_bits_count(&s->pb2);
2485 flush_put_bits(&s->pb2);
2486 ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2487 s->pb2= backup_s.pb2;
2488
2489 tex_pb_bits_count= put_bits_count(&s->tex_pb);
2490 flush_put_bits(&s->tex_pb);
2491 ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2492 s->tex_pb= backup_s.tex_pb;
2493 }
2494 s->last_bits= put_bits_count(&s->pb);
2495
f34121f3 2496 if (CONFIG_H263_ENCODER &&
9701840b 2497 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
3ada94ba
BF
2498 ff_h263_update_motion_val(s);
2499
2500 if(next_block==0){ //FIXME 16 vs linesize16
2501 s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2502 s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2503 s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2504 }
2505
2506 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2507 MPV_decode_mb(s, s->block);
2508 } else {
2509 int motion_x = 0, motion_y = 0;
2510 s->mv_type=MV_TYPE_16X16;
2511 // only one MB-Type possible
2512
2513 switch(mb_type){
2514 case CANDIDATE_MB_TYPE_INTRA:
2515 s->mv_dir = 0;
2516 s->mb_intra= 1;
2517 motion_x= s->mv[0][0][0] = 0;
2518 motion_y= s->mv[0][0][1] = 0;
2519 break;
2520 case CANDIDATE_MB_TYPE_INTER:
2521 s->mv_dir = MV_DIR_FORWARD;
2522 s->mb_intra= 0;
2523 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2524 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2525 break;
2526 case CANDIDATE_MB_TYPE_INTER_I:
2527 s->mv_dir = MV_DIR_FORWARD;
2528 s->mv_type = MV_TYPE_FIELD;
2529 s->mb_intra= 0;
2530 for(i=0; i<2; i++){
2531 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2532 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2533 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2534 }
2535 break;
2536 case CANDIDATE_MB_TYPE_INTER4V:
2537 s->mv_dir = MV_DIR_FORWARD;
2538 s->mv_type = MV_TYPE_8X8;
2539 s->mb_intra= 0;
2540 for(i=0; i<4; i++){
2541 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2542 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2543 }
2544 break;
2545 case CANDIDATE_MB_TYPE_DIRECT:
49fb20cb 2546 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2547 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2548 s->mb_intra= 0;
2549 motion_x=s->b_direct_mv_table[xy][0];
2550 motion_y=s->b_direct_mv_table[xy][1];
2551 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
eb75a698 2552 }
3ada94ba
BF
2553 break;
2554 case CANDIDATE_MB_TYPE_DIRECT0:
49fb20cb 2555 if (CONFIG_MPEG4_ENCODER) {
674eeb5f
AJ
2556 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2557 s->mb_intra= 0;
2558 ff_mpeg4_set_direct_mv(s, 0, 0);
eb75a698 2559 }
3ada94ba
BF
2560 break;
2561 case CANDIDATE_MB_TYPE_BIDIR:
2562 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2563 s->mb_intra= 0;
2564 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2565 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2566 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2567 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2568 break;
2569 case CANDIDATE_MB_TYPE_BACKWARD:
2570 s->mv_dir = MV_DIR_BACKWARD;
2571 s->mb_intra= 0;
2572 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2573 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2574 break;
2575 case CANDIDATE_MB_TYPE_FORWARD:
2576 s->mv_dir = MV_DIR_FORWARD;
2577 s->mb_intra= 0;
2578 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2579 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2580// printf(" %d %d ", motion_x, motion_y);
2581 break;
2582 case CANDIDATE_MB_TYPE_FORWARD_I:
2583 s->mv_dir = MV_DIR_FORWARD;
2584 s->mv_type = MV_TYPE_FIELD;
2585 s->mb_intra= 0;
2586 for(i=0; i<2; i++){
2587 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2588 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2589 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2590 }
2591 break;
2592 case CANDIDATE_MB_TYPE_BACKWARD_I:
2593 s->mv_dir = MV_DIR_BACKWARD;
2594 s->mv_type = MV_TYPE_FIELD;
2595 s->mb_intra= 0;
2596 for(i=0; i<2; i++){
2597 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2598 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2599 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2600 }
2601 break;
2602 case CANDIDATE_MB_TYPE_BIDIR_I:
2603 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2604 s->mv_type = MV_TYPE_FIELD;
2605 s->mb_intra= 0;
2606 for(dir=0; dir<2; dir++){
2607 for(i=0; i<2; i++){
2608 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2609 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2610 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2611 }
2612 }
2613 break;
2614 default:
2615 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2616 }
2617
2618 encode_mb(s, motion_x, motion_y);
2619
2620 // RAL: Update last macroblock type
2621 s->last_mv_dir = s->mv_dir;
2622
f34121f3 2623 if (CONFIG_H263_ENCODER &&
9701840b 2624 s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
3ada94ba
BF
2625 ff_h263_update_motion_val(s);
2626
2627 MPV_decode_mb(s, s->block);
2628 }
2629
2630 /* clean the MV table in IPS frames for direct mode in B frames */
2631 if(s->mb_intra /* && I,P,S_TYPE */){
2632 s->p_mv_table[xy][0]=0;
2633 s->p_mv_table[xy][1]=0;
2634 }
2635
2636 if(s->flags&CODEC_FLAG_PSNR){
2637 int w= 16;
2638 int h= 16;
2639
2640 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2641 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2642
2643 s->current_picture.error[0] += sse(
2644 s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2645 s->dest[0], w, h, s->linesize);
2646 s->current_picture.error[1] += sse(
ec7e2582
BC
2647 s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2648 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3ada94ba 2649 s->current_picture.error[2] += sse(
ec7e2582
BC
2650 s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
2651 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3ada94ba
BF
2652 }
2653 if(s->loop_filter){
f34121f3 2654 if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
3ada94ba
BF
2655 ff_h263_loop_filter(s);
2656 }
2657//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2658 }
2659 }
2660
2661 //not beautiful here but we must write it before flushing so it has to be here
49fb20cb 2662 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
3ada94ba
BF
2663 msmpeg4_encode_ext_header(s);
2664
2665 write_slice_end(s);
2666
2667 /* Send the last GOB if RTP */
2668 if (s->avctx->rtp_callback) {
2669 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
fb53b4a0 2670 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
3ada94ba
BF
2671 /* Call the RTP callback to send the last GOB */
2672 emms_c();
2673 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2674 }
2675
2676 return 0;
2677}
2678
2679#define MERGE(field) dst->field += src->field; src->field=0
2680static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2681 MERGE(me.scene_change_score);
2682 MERGE(me.mc_mb_var_sum_temp);
2683 MERGE(me.mb_var_sum_temp);
2684}
2685
2686static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2687 int i;
2688
2689 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2690 MERGE(dct_count[1]);
2691 MERGE(mv_bits);
2692 MERGE(i_tex_bits);
2693 MERGE(p_tex_bits);
2694 MERGE(i_count);
2695 MERGE(f_count);
2696 MERGE(b_count);
2697 MERGE(skip_count);
2698 MERGE(misc_bits);
2699 MERGE(error_count);
2700 MERGE(padding_bug_score);
2701 MERGE(current_picture.error[0]);
2702 MERGE(current_picture.error[1]);
2703 MERGE(current_picture.error[2]);
2704
2705 if(dst->avctx->noise_reduction){
2706 for(i=0; i<64; i++){
2707 MERGE(dct_error_sum[0][i]);
2708 MERGE(dct_error_sum[1][i]);
2709 }
2710 }
2711
2712 assert(put_bits_count(&src->pb) % 8 ==0);
2713 assert(put_bits_count(&dst->pb) % 8 ==0);
2714 ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2715 flush_put_bits(&dst->pb);
2716}
2717
2718static int estimate_qp(MpegEncContext *s, int dry_run){
2719 if (s->next_lambda){
2720 s->current_picture_ptr->quality=
2721 s->current_picture.quality = s->next_lambda;
2722 if(!dry_run) s->next_lambda= 0;
2723 } else if (!s->fixed_qscale) {
2724 s->current_picture_ptr->quality=
2725 s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2726 if (s->current_picture.quality < 0)
2727 return -1;
2728 }
2729
2730 if(s->adaptive_quant){
2731 switch(s->codec_id){
2732 case CODEC_ID_MPEG4:
49fb20cb 2733 if (CONFIG_MPEG4_ENCODER)
674eeb5f 2734 ff_clean_mpeg4_qscales(s);
3ada94ba
BF
2735 break;
2736 case CODEC_ID_H263:
2737 case CODEC_ID_H263P:
2738 case CODEC_ID_FLV1:
0bd48530 2739 if (CONFIG_H263_ENCODER)
674eeb5f 2740 ff_clean_h263_qscales(s);
3ada94ba 2741 break;
ccc4b918
MN
2742 default:
2743 ff_init_qscale_tab(s);
3ada94ba
BF
2744 }
2745
2746 s->lambda= s->lambda_table[0];
2747 //FIXME broken
2748 }else
2749 s->lambda= s->current_picture.quality;
2750//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2751 update_qscale(s);
2752 return 0;
2753}
2754
7da31a80
AJ
2755/* must be called before writing the header */
2756static void set_frame_distances(MpegEncContext * s){
2757 assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2758 s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2759
9701840b 2760 if(s->pict_type==FF_B_TYPE){
7da31a80
AJ
2761 s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2762 assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2763 }else{
2764 s->pp_time= s->time - s->last_non_b_time;
2765 s->last_non_b_time= s->time;
2766 assert(s->picture_number==0 || s->pp_time > 0);
2767 }
2768}
2769
3ada94ba
BF
2770static int encode_picture(MpegEncContext *s, int picture_number)
2771{
2772 int i;
2773 int bits;
2774
2775 s->picture_number = picture_number;
2776
2777 /* Reset the average MB variance */
2778 s->me.mb_var_sum_temp =
2779 s->me.mc_mb_var_sum_temp = 0;
2780
2781 /* we need to initialize some time vars before we can encode b-frames */
2782 // RAL: Condition added for MPEG1VIDEO
2783 if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
7da31a80 2784 set_frame_distances(s);
49fb20cb 2785 if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
7da31a80 2786 ff_set_mpeg4_time(s);
3ada94ba
BF
2787
2788 s->me.scene_change_score=0;
2789
e6dba5df 2790// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
3ada94ba 2791
9701840b 2792 if(s->pict_type==FF_I_TYPE){
3ada94ba
BF
2793 if(s->msmpeg4_version >= 3) s->no_rounding=1;
2794 else s->no_rounding=0;
9701840b 2795 }else if(s->pict_type!=FF_B_TYPE){
3ada94ba
BF
2796 if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2797 s->no_rounding ^= 1;
2798 }
2799
2800 if(s->flags & CODEC_FLAG_PASS2){
2801 if (estimate_qp(s,1) < 0)
2802 return -1;
2803 ff_get_2pass_fcode(s);
2804 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
9701840b 2805 if(s->pict_type==FF_B_TYPE)
3ada94ba
BF
2806 s->lambda= s->last_lambda_for[s->pict_type];
2807 else
2808 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2809 update_qscale(s);
2810 }
2811
2812 s->mb_intra=0; //for the rate distortion & bit compare functions
2813 for(i=1; i<s->avctx->thread_count; i++){
2814 ff_update_duplicate_context(s->thread_context[i], s);
2815 }
2816
719f3702
MN
2817 if(ff_init_me(s)<0)
2818 return -1;
3ada94ba
BF
2819
2820 /* Estimate motion for every MB */
9701840b 2821 if(s->pict_type != FF_I_TYPE){
3ada94ba
BF
2822 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2823 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
9701840b
AJ
2824 if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){
2825 if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
01418506 2826 s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2827 }
2828 }
2829
01418506 2830 s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
9701840b 2831 }else /* if(s->pict_type == FF_I_TYPE) */{
3ada94ba
BF
2832 /* I-Frame */
2833 for(i=0; i<s->mb_stride*s->mb_height; i++)
2834 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2835
2836 if(!s->fixed_qscale){
2837 /* finding spatial complexity for I-frame rate control */
01418506 2838 s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2839 }
2840 }
2841 for(i=1; i<s->avctx->thread_count; i++){
2842 merge_context_after_me(s, s->thread_context[i]);
2843 }
2844 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2845 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2846 emms_c();
2847
9701840b
AJ
2848 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == FF_P_TYPE){
2849 s->pict_type= FF_I_TYPE;
3ada94ba
BF
2850 for(i=0; i<s->mb_stride*s->mb_height; i++)
2851 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2852//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2853 }
2854
2855 if(!s->umvplus){
9701840b 2856 if(s->pict_type==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
3ada94ba
BF
2857 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2858
2859 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2860 int a,b;
2861 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2862 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
159ef4b0 2863 s->f_code= FFMAX3(s->f_code, a, b);
3ada94ba
BF
2864 }
2865
2866 ff_fix_long_p_mvs(s);
2867 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2868 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2869 int j;
2870 for(i=0; i<2; i++){
2871 for(j=0; j<2; j++)
2872 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2873 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2874 }
2875 }
2876 }
2877
9701840b 2878 if(s->pict_type==FF_B_TYPE){
3ada94ba
BF
2879 int a, b;
2880
2881 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2882 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2883 s->f_code = FFMAX(a, b);
2884
2885 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2886 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2887 s->b_code = FFMAX(a, b);
2888
2889 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2890 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2891 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2892 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2893 if(s->flags & CODEC_FLAG_INTERLACED_ME){
2894 int dir, j;
2895 for(dir=0; dir<2; dir++){
2896 for(i=0; i<2; i++){
2897 for(j=0; j<2; j++){
2898 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2899 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2900 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2901 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2902 }
2903 }
2904 }
2905 }
2906 }
2907 }
2908
2909 if (estimate_qp(s, 0) < 0)
2910 return -1;
2911
9701840b 2912 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==FF_I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
3ada94ba
BF
2913 s->qscale= 3; //reduce clipping problems
2914
2915 if (s->out_format == FMT_MJPEG) {
2916 /* for mjpeg, we do include qscale in the matrix */
3ada94ba
BF
2917 for(i=1;i<64;i++){
2918 int j= s->dsp.idct_permutation[i];
2919
2920 s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2921 }
6506c3d2 2922 s->y_dc_scale_table=
53f66cee
MN
2923 s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
2924 s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8];
69cea75f 2925 ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
3ada94ba
BF
2926 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2927 s->qscale= 8;
2928 }
2929
2930 //FIXME var duplication
2931 s->current_picture_ptr->key_frame=
9701840b 2932 s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
3ada94ba
BF
2933 s->current_picture_ptr->pict_type=
2934 s->current_picture.pict_type= s->pict_type;
2935
2936 if(s->current_picture.key_frame)
2937 s->picture_in_gop_number=0;
2938
2939 s->last_bits= put_bits_count(&s->pb);
2940 switch(s->out_format) {
2941 case FMT_MJPEG:
49fb20cb 2942 if (CONFIG_MJPEG_ENCODER)
3ada94ba
BF
2943 ff_mjpeg_encode_picture_header(s);
2944 break;
2945 case FMT_H261:
49fb20cb 2946 if (CONFIG_H261_ENCODER)
3ada94ba
BF
2947 ff_h261_encode_picture_header(s, picture_number);
2948 break;
2949 case FMT_H263:
49fb20cb 2950 if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
3ada94ba 2951 ff_wmv2_encode_picture_header(s, picture_number);
49fb20cb 2952 else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4)
3ada94ba 2953 msmpeg4_encode_picture_header(s, picture_number);
49fb20cb 2954 else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
3ada94ba 2955 mpeg4_encode_picture_header(s, picture_number);
49fb20cb 2956 else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
3ada94ba 2957 rv10_encode_picture_header(s, picture_number);
49fb20cb 2958 else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
3ada94ba 2959 rv20_encode_picture_header(s, picture_number);
49fb20cb 2960 else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
3ada94ba 2961 ff_flv_encode_picture_header(s, picture_number);
f34121f3 2962 else if (CONFIG_H263_ENCODER)
3ada94ba
BF
2963 h263_encode_picture_header(s, picture_number);
2964 break;
2965 case FMT_MPEG1:
49fb20cb 2966 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
56be950a 2967 mpeg1_encode_picture_header(s, picture_number);
3ada94ba
BF
2968 break;
2969 case FMT_H264:
2970 break;
2971 default:
2972 assert(0);
2973 }
2974 bits= put_bits_count(&s->pb);
2975 s->header_bits= bits - s->last_bits;
2976
2977 for(i=1; i<s->avctx->thread_count; i++){
2978 update_duplicate_context_after_me(s->thread_context[i], s);
2979 }
01418506 2980 s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
3ada94ba
BF
2981 for(i=1; i<s->avctx->thread_count; i++){
2982 merge_context_after_encode(s, s->thread_context[i]);
2983 }
2984 emms_c();
2985 return 0;
2986}
2987
aa61e39e 2988static void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
3ada94ba
BF
2989 const int intra= s->mb_intra;
2990 int i;
2991
2992 s->dct_count[intra]++;
2993
2994 for(i=0; i<64; i++){
2995 int level= block[i];
2996
2997 if(level){
2998 if(level>0){
2999 s->dct_error_sum[intra][i] += level;
3000 level -= s->dct_offset[intra][i];
3001 if(level<0) level=0;
3002 }else{
3003 s->dct_error_sum[intra][i] -= level;
3004 level += s->dct_offset[intra][i];
3005 if(level>0) level=0;
3006 }
3007 block[i]= level;
3008 }
3009 }
3010}
3011
aa61e39e
MR
3012static int dct_quantize_trellis_c(MpegEncContext *s,
3013 DCTELEM *block, int n,
3014 int qscale, int *overflow){
3ada94ba
BF
3015 const int *qmat;
3016 const uint8_t *scantable= s->intra_scantable.scantable;
3017 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3018 int max=0;
3019 unsigned int threshold1, threshold2;
3020 int bias=0;
3021 int run_tab[65];
3022 int level_tab[65];
3023 int score_tab[65];
3024 int survivor[65];
3025 int survivor_count;
3026 int last_run=0;
3027 int last_level=0;
3028 int last_score= 0;
3029 int last_i;
3030 int coeff[2][64];
3031 int coeff_count[64];
3032 int qmul, qadd, start_i, last_non_zero, i, dc;
3033 const int esc_length= s->ac_esc_length;
3034 uint8_t * length;
3035 uint8_t * last_length;
3036 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
3037
3038 s->dsp.fdct (block);
3039
3040 if(s->dct_error_sum)
3041 s->denoise_dct(s, block);
3042 qmul= qscale*16;
3043 qadd= ((qscale-1)|1)*8;
3044
3045 if (s->mb_intra) {
3046 int q;
3047 if (!s->h263_aic) {
3048 if (n < 4)
3049 q = s->y_dc_scale;
3050 else
3051 q = s->c_dc_scale;
3052 q = q << 3;
3053 } else{
3054 /* For AIC we skip quant/dequant of INTRADC */
3055 q = 1 << 3;
3056 qadd=0;
3057 }
3058
3059 /* note: block[0] is assumed to be positive */
3060 block[0] = (block[0] + (q >> 1)) / q;
3061 start_i = 1;
3062 last_non_zero = 0;
3063 qmat = s->q_intra_matrix[qscale];
3064 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3065 bias= 1<<(QMAT_SHIFT-1);
3066 length = s->intra_ac_vlc_length;
3067 last_length= s->intra_ac_vlc_last_length;
3068 } else {
3069 start_i = 0;
3070 last_non_zero = -1;
3071 qmat = s->q_inter_matrix[qscale];
3072 length = s->inter_ac_vlc_length;
3073 last_length= s->inter_ac_vlc_last_length;
3074 }
3075 last_i= start_i;
3076
3077 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3078 threshold2= (threshold1<<1);
3079
3080 for(i=63; i>=start_i; i--) {
3081 const int j = scantable[i];
3082 int level = block[j] * qmat[j];
3083
3084 if(((unsigned)(level+threshold1))>threshold2){
3085 last_non_zero = i;
3086 break;
3087 }
3088 }
3089
3090 for(i=start_i; i<=last_non_zero; i++) {
3091 const int j = scantable[i];
3092 int level = block[j] * qmat[j];
3093
3094// if( bias+level >= (1<<(QMAT_SHIFT - 3))
3095// || bias-level >= (1<<(QMAT_SHIFT - 3))){
3096 if(((unsigned)(level+threshold1))>threshold2){
3097 if(level>0){
3098 level= (bias + level)>>QMAT_SHIFT;
3099 coeff[0][i]= level;
3100 coeff[1][i]= level-1;
3101// coeff[2][k]= level-2;
3102 }else{
3103 level= (bias - level)>>QMAT_SHIFT;
3104 coeff[0][i]= -level;
3105 coeff[1][i]= -level+1;
3106// coeff[2][k]= -level+2;
3107 }
3108 coeff_count[i]= FFMIN(level, 2);
3109 assert(coeff_count[i]);
3110 max |=level;
3111 }else{
3112 coeff[0][i]= (level>>31)|1;
3113 coeff_count[i]= 1;
3114 }
3115 }
3116
3117 *overflow= s->max_qcoeff < max; //overflow might have happened
3118
3119 if(last_non_zero < start_i){
3120 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3121 return last_non_zero;
3122 }
3123
3124 score_tab[start_i]= 0;
3125 survivor[0]= start_i;
3126 survivor_count= 1;
3127
3128 for(i=start_i; i<=last_non_zero; i++){
e6dba5df 3129 int level_index, j, zero_distortion;
b6bffc46 3130 int dct_coeff= FFABS(block[ scantable[i] ]);
3ada94ba 3131 int best_score=256*256*256*120;
b6bffc46
MN
3132
3133 if ( s->dsp.fdct == fdct_ifast
3134#ifndef FAAN_POSTSCALE
3135 || s->dsp.fdct == ff_faandct
3136#endif
3137 )
939e4e3a 3138 dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
e6dba5df 3139 zero_distortion= dct_coeff*dct_coeff;
b6bffc46 3140
3ada94ba 3141 for(level_index=0; level_index < coeff_count[i]; level_index++){
e6dba5df 3142 int distortion;
3ada94ba
BF
3143 int level= coeff[level_index][i];
3144 const int alevel= FFABS(level);
3145 int unquant_coeff;
3146
3147 assert(level);
3148
3149 if(s->out_format == FMT_H263){
3150 unquant_coeff= alevel*qmul + qadd;
3151 }else{ //MPEG1
3152 j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3153 if(s->mb_intra){
3154 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3155 unquant_coeff = (unquant_coeff - 1) | 1;
3156 }else{
3157 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3158 unquant_coeff = (unquant_coeff - 1) | 1;
3159 }
3160 unquant_coeff<<= 3;
3161 }
3162
e6dba5df 3163 distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
3ada94ba
BF
3164 level+=64;
3165 if((level&(~127)) == 0){
3166 for(j=survivor_count-1; j>=0; j--){
3167 int run= i - survivor[j];
e6dba5df 3168 int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3ada94ba
BF
3169 score += score_tab[i-run];
3170
3171 if(score < best_score){
3172 best_score= score;
3173 run_tab[i+1]= run;
3174 level_tab[i+1]= level-64;
3175 }
3176 }
3177
3178 if(s->out_format == FMT_H263){
3179 for(j=survivor_count-1; j>=0; j--){
3180 int run= i - survivor[j];
e6dba5df 3181 int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3ada94ba
BF
3182 score += score_tab[i-run];
3183 if(score < last_score){
3184 last_score= score;
3185 last_run= run;
3186 last_level= level-64;
3187 last_i= i+1;
3188 }
3189 }
3190 }
3191 }else{
e6dba5df 3192 distortion += esc_length*lambda;
3ada94ba
BF
3193 for(j=survivor_count-1; j>=0; j--){
3194 int run= i - survivor[j];
e6dba5df 3195 int score= distortion + score_tab[i-run];
3ada94ba
BF
3196
3197 if(score < best_score){
3198 best_score= score;
3199 run_tab[i+1]= run;
3200 level_tab[i+1]= level-64;
3201 }
3202 }
3203
3204 if(s->out_format == FMT_H263){
3205 for(j=survivor_count-1; j>=0; j--){
3206 int run= i - survivor[j];
e6dba5df 3207 int score= distortion + score_tab[i-run];
3ada94ba
BF
3208 if(score < last_score){
3209 last_score= score;
3210 last_run= run;
3211 last_level= level-64;
3212 last_i= i+1;
3213 }
3214 }
3215 }
3216 }
3217 }
3218
3219 score_tab[i+1]= best_score;
3220
3221 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3222 if(last_non_zero <= 27){
3223 for(; survivor_count; survivor_count--){
3224 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3225 break;
3226 }
3227 }else{
3228 for(; survivor_count; survivor_count--){
3229 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3230 break;
3231 }
3232 }
3233
3234 survivor[ survivor_count++ ]= i+1;
3235 }
3236
3237 if(s->out_format != FMT_H263){
3238 last_score= 256*256*256*120;
3239 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3240 int score= score_tab[i];
3241 if(i) score += lambda*2; //FIXME exacter?
3242
3243 if(score < last_score){
3244 last_score= score;
3245 last_i= i;
3246 last_level= level_tab[i];
3247 last_run= run_tab[i];
3248 }
3249 }
3250 }
3251
3252 s->coded_score[n] = last_score;
3253
3254 dc= FFABS(block[0]);
3255 last_non_zero= last_i - 1;
3256 memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3257
3258 if(last_non_zero < start_i)
3259 return last_non_zero;
3260
3261 if(last_non_zero == 0 && start_i == 0){
3262 int best_level= 0;
3263 int best_score= dc * dc;
3264
3265 for(i=0; i<coeff_count[0]; i++){
3266 int level= coeff[i][0];
3267 int alevel= FFABS(level);
3268 int unquant_coeff, score, distortion;
3269
3270 if(s->out_format == FMT_H263){
3271 unquant_coeff= (alevel*qmul + qadd)>>3;
3272 }else{ //MPEG1
3273 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3274 unquant_coeff = (unquant_coeff - 1) | 1;
3275 }
3276 unquant_coeff = (unquant_coeff + 4) >> 3;
3277 unquant_coeff<<= 3 + 3;
3278
3279 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3280 level+=64;
3281 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3282 else score= distortion + esc_length*lambda;
3283
3284 if(score < best_score){
3285 best_score= score;
3286 best_level= level - 64;
3287 }
3288 }
3289 block[0]= best_level;
3290 s->coded_score[n] = best_score - dc*dc;
3291 if(best_level == 0) return -1;
3292 else return last_non_zero;
3293 }
3294
3295 i= last_i;
3296 assert(last_level);
3297
3298 block[ perm_scantable[last_non_zero] ]= last_level;
3299 i -= last_run + 1;
3300
3301 for(; i>start_i; i -= run_tab[i] + 1){
3302 block[ perm_scantable[i-1] ]= level_tab[i];
3303 }
3304
3305 return last_non_zero;
3306}
3307
3308//#define REFINE_STATS 1
3309static int16_t basis[64][64];
3310
3311static void build_basis(uint8_t *perm){
3312 int i, j, x, y;
3313 emms_c();
3314 for(i=0; i<8; i++){
3315 for(j=0; j<8; j++){
3316 for(y=0; y<8; y++){
3317 for(x=0; x<8; x++){
3318 double s= 0.25*(1<<BASIS_SHIFT);
3319 int index= 8*i + j;
3320 int perm_index= perm[index];
3321 if(i==0) s*= sqrt(0.5);
3322 if(j==0) s*= sqrt(0.5);
3323 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)));
3324 }
3325 }
3326 }
3327 }
3328}
3329
3330static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3331 DCTELEM *block, int16_t *weight, DCTELEM *orig,
3332 int n, int qscale){
3333 int16_t rem[64];
40d11227 3334 LOCAL_ALIGNED_16(DCTELEM, d1, [64]);
3ada94ba
BF
3335 const uint8_t *scantable= s->intra_scantable.scantable;
3336 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3337// unsigned int threshold1, threshold2;
3338// int bias=0;
3339 int run_tab[65];
3340 int prev_run=0;
3341 int prev_level=0;
3342 int qmul, qadd, start_i, last_non_zero, i, dc;
3343 uint8_t * length;
3344 uint8_t * last_length;
3345 int lambda;
3346 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3347#ifdef REFINE_STATS
3348static int count=0;
3349static int after_last=0;
3350static int to_zero=0;
3351static int from_zero=0;
3352static int raise=0;
3353static int lower=0;
3354static int messed_sign=0;
3355#endif
3356
3357 if(basis[0][0] == 0)
3358 build_basis(s->dsp.idct_permutation);
3359
3360 qmul= qscale*2;
3361 qadd= (qscale-1)|1;
3362 if (s->mb_intra) {
3363 if (!s->h263_aic) {
3364 if (n < 4)
3365 q = s->y_dc_scale;
3366 else
3367 q = s->c_dc_scale;
3368 } else{
3369 /* For AIC we skip quant/dequant of INTRADC */
3370 q = 1;
3371 qadd=0;
3372 }
3373 q <<= RECON_SHIFT-3;
3374 /* note: block[0] is assumed to be positive */
3375 dc= block[0]*q;
3376// block[0] = (block[0] + (q >> 1)) / q;
3377 start_i = 1;
3ada94ba
BF
3378// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3379// bias= 1<<(QMAT_SHIFT-1);
3380 length = s->intra_ac_vlc_length;
3381 last_length= s->intra_ac_vlc_last_length;
3382 } else {
3383 dc= 0;
3384 start_i = 0;
3ada94ba
BF
3385 length = s->inter_ac_vlc_length;
3386 last_length= s->inter_ac_vlc_last_length;
3387 }
3388 last_non_zero = s->block_last_index[n];
3389
3390#ifdef REFINE_STATS
3391{START_TIMER
3392#endif
3393 dc += (1<<(RECON_SHIFT-1));
3394 for(i=0; i<64; i++){
3395 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3396 }
3397#ifdef REFINE_STATS
3398STOP_TIMER("memset rem[]")}
3399#endif
3400 sum=0;
3401 for(i=0; i<64; i++){
3402 int one= 36;
3403 int qns=4;
3404 int w;
3405
3406 w= FFABS(weight[i]) + qns*one;
3407 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3408
3409 weight[i] = w;
3410// w=weight[i] = (63*qns + (w/2)) / w;
3411
3412 assert(w>0);
3413 assert(w<(1<<6));
3414 sum += w*w;
3415 }
3416 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3417#ifdef REFINE_STATS
3418{START_TIMER
3419#endif
3420 run=0;
3421 rle_index=0;
3422 for(i=start_i; i<=last_non_zero; i++){
3423 int j= perm_scantable[i];
3424 const int level= block[j];
3425 int coeff;
3426
3427 if(level){
3428 if(level<0) coeff= qmul*level - qadd;
3429 else coeff= qmul*level + qadd;
3430 run_tab[rle_index++]=run;
3431 run=0;
3432
3433 s->dsp.add_8x8basis(rem, basis[j], coeff);
3434 }else{
3435 run++;
3436 }
3437 }
3438#ifdef REFINE_STATS
3439if(last_non_zero>0){
3440STOP_TIMER("init rem[]")
3441}
3442}
3443
3444{START_TIMER
3445#endif
3446 for(;;){
3447 int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3448 int best_coeff=0;
3449 int best_change=0;
3450 int run2, best_unquant_change=0, analyze_gradient;
3451#ifdef REFINE_STATS
3452{START_TIMER
3453#endif
3454 analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3455
3456 if(analyze_gradient){
3457#ifdef REFINE_STATS
3458{START_TIMER
3459#endif
3460 for(i=0; i<64; i++){
3461 int w= weight[i];
3462
3463 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3464 }
3465#ifdef REFINE_STATS
3466STOP_TIMER("rem*w*w")}
3467{START_TIMER
3468#endif
3469 s->dsp.fdct(d1);
3470#ifdef REFINE_STATS
3471STOP_TIMER("dct")}
3472#endif
3473 }
3474
3475 if(start_i){
3476 const int level= block[0];
3477 int change, old_coeff;
3478
3479 assert(s->mb_intra);
3480
3481 old_coeff= q*level;
3482
3483 for(change=-1; change<=1; change+=2){
3484 int new_level= level + change;
3485 int score, new_coeff;
3486
3487 new_coeff= q*new_level;
3488 if(new_coeff >= 2048 || new_coeff < 0)
3489 continue;
3490
3491 score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3492 if(score<best_score){
3493 best_score= score;
3494 best_coeff= 0;
3495 best_change= change;
3496 best_unquant_change= new_coeff - old_coeff;
3497 }
3498 }
3499 }
3500
3501 run=0;
3502 rle_index=0;
3503 run2= run_tab[rle_index++];
3504 prev_level=0;
3505 prev_run=0;
3506
3507 for(i=start_i; i<64; i++){
3508 int j= perm_scantable[i];
3509 const int level= block[j];
3510 int change, old_coeff;
3511
3512 if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3513 break;
3514
3515 if(level){
3516 if(level<0) old_coeff= qmul*level - qadd;
3517 else old_coeff= qmul*level + qadd;
3518 run2= run_tab[rle_index++]; //FIXME ! maybe after last
3519 }else{
3520 old_coeff=0;
3521 run2--;
3522 assert(run2>=0 || i >= last_non_zero );
3523 }
3524
3525 for(change=-1; change<=1; change+=2){
3526 int new_level= level + change;
3527 int score, new_coeff, unquant_change;
3528
3529 score=0;
3530 if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3531 continue;
3532
3533 if(new_level){
3534 if(new_level<0) new_coeff= qmul*new_level - qadd;
3535 else new_coeff= qmul*new_level + qadd;
3536 if(new_coeff >= 2048 || new_coeff <= -2048)
3537 continue;
3538 //FIXME check for overflow
3539
3540 if(level){
3541 if(level < 63 && level > -63){
3542 if(i < last_non_zero)
3543 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3544 - length[UNI_AC_ENC_INDEX(run, level+64)];
3545 else
3546 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3547 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
3548 }
3549 }else{
3550 assert(FFABS(new_level)==1);
3551
3552 if(analyze_gradient){
3553 int g= d1[ scantable[i] ];
3554 if(g && (g^new_level) >= 0)
3555 continue;
3556 }
3557
3558 if(i < last_non_zero){
3559 int next_i= i + run2 + 1;
3560 int next_level= block[ perm_scantable[next_i] ] + 64;
3561
3562 if(next_level&(~127))
3563 next_level= 0;
3564
3565 if(next_i < last_non_zero)
3566 score += length[UNI_AC_ENC_INDEX(run, 65)]
3567 + length[UNI_AC_ENC_INDEX(run2, next_level)]
3568 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3569 else
3570 score += length[UNI_AC_ENC_INDEX(run, 65)]
3571 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3572 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3573 }else{
3574 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3575 if(prev_level){
3576 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3577 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3578 }
3579 }
3580 }
3581 }else{
3582 new_coeff=0;
3583 assert(FFABS(level)==1);
3584
3585 if(i < last_non_zero){
3586 int next_i= i + run2 + 1;
3587 int next_level= block[ perm_scantable[next_i] ] + 64;
3588
3589 if(next_level&(~127))
3590 next_level= 0;
3591
3592 if(next_i < last_non_zero)
3593 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3594 - length[UNI_AC_ENC_INDEX(run2, next_level)]
3595 - length[UNI_AC_ENC_INDEX(run, 65)];
3596 else
3597 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3598 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3599 - length[UNI_AC_ENC_INDEX(run, 65)];
3600 }else{
3601 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3602 if(prev_level){
3603 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3604 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3605 }
3606 }
3607 }
3608
3609 score *= lambda;
3610
3611 unquant_change= new_coeff - old_coeff;
3612 assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3613
3614 score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3615 if(score<best_score){
3616 best_score= score;
3617 best_coeff= i;
3618 best_change= change;
3619 best_unquant_change= unquant_change;
3620 }
3621 }
3622 if(level){
3623 prev_level= level + 64;
3624 if(prev_level&(~127))
3625 prev_level= 0;
3626 prev_run= run;
3627 run=0;
3628 }else{
3629 run++;
3630 }
3631 }
3632#ifdef REFINE_STATS
3633STOP_TIMER("iterative step")}
3634#endif
3635
3636 if(best_change){
3637 int j= perm_scantable[ best_coeff ];
3638
3639 block[j] += best_change;
3640
3641 if(best_coeff > last_non_zero){
3642 last_non_zero= best_coeff;
3643 assert(block[j]);