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ffmpeg / libavcodec / mpegvideo_enc.c @ ce5e49b0

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1 3ada94ba Benoit Fouet
/*
2
 * The simplest mpeg encoder (well, it was the simplest!)
3 406792e7 Diego Biurrun
 * Copyright (c) 2000,2001 Fabrice Bellard
4 3ada94ba Benoit Fouet
 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5
 *
6 7b94177e Diego Biurrun
 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
7
 *
8 3ada94ba Benoit Fouet
 * This file is part of FFmpeg.
9
 *
10
 * FFmpeg is free software; you can redistribute it and/or
11
 * modify it under the terms of the GNU Lesser General Public
12
 * License as published by the Free Software Foundation; either
13
 * version 2.1 of the License, or (at your option) any later version.
14
 *
15
 * FFmpeg is distributed in the hope that it will be useful,
16
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18
 * Lesser General Public License for more details.
19
 *
20
 * You should have received a copy of the GNU Lesser General Public
21
 * License along with FFmpeg; if not, write to the Free Software
22
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23
 */
24
25
/**
26 ba87f080 Diego Biurrun
 * @file
27 3ada94ba Benoit Fouet
 * The simplest mpeg encoder (well, it was the simplest!).
28
 */
29
30 94ca624f Måns Rullgård
#include "libavutil/intmath.h"
31 3ada94ba Benoit Fouet
#include "avcodec.h"
32
#include "dsputil.h"
33
#include "mpegvideo.h"
34
#include "mpegvideo_common.h"
35 c46eeae2 Michael Niedermayer
#include "h263.h"
36 3ada94ba Benoit Fouet
#include "mjpegenc.h"
37
#include "msmpeg4.h"
38
#include "faandct.h"
39 d375c104 Michael Niedermayer
#include "thread.h"
40 8b22017f Diego Biurrun
#include "aandcttab.h"
41 eb523769 Michael Niedermayer
#include "flv.h"
42 ca334dd1 Michael Niedermayer
#include "mpeg4video.h"
43 7ffd8332 Alexander Strange
#include "internal.h"
44 3ada94ba Benoit Fouet
#include <limits.h>
45
46
//#undef NDEBUG
47
//#include <assert.h>
48
49
static int encode_picture(MpegEncContext *s, int picture_number);
50
static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
51
static int sse_mb(MpegEncContext *s);
52 295edc77 Diego Elio Pettenò
static void denoise_dct_c(MpegEncContext *s, DCTELEM *block);
53
static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
54 3ada94ba Benoit Fouet
55
/* enable all paranoid tests for rounding, overflows, etc... */
56
//#define PARANOID
57
58
//#define DEBUG
59
60
static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
61
static uint8_t default_fcode_tab[MAX_MV*2+1];
62
63 69cea75f Baptiste Coudurier
void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
64 3ada94ba Benoit Fouet
                           const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
65
{
66
    int qscale;
67
    int shift=0;
68
69
    for(qscale=qmin; qscale<=qmax; qscale++){
70
        int i;
71
        if (dsp->fdct == ff_jpeg_fdct_islow
72
#ifdef FAAN_POSTSCALE
73
            || dsp->fdct == ff_faandct
74
#endif
75
            ) {
76
            for(i=0;i<64;i++) {
77
                const int j= dsp->idct_permutation[i];
78
                /* 16 <= qscale * quant_matrix[i] <= 7905 */
79 5bdf124c Diego Biurrun
                /* 19952             <= ff_aanscales[i] * qscale * quant_matrix[i]               <= 249205026 */
80
                /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
81
                /* 3444240           >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
82 3ada94ba Benoit Fouet
83
                qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
84
                                (qscale * quant_matrix[j]));
85
            }
86
        } else if (dsp->fdct == fdct_ifast
87
#ifndef FAAN_POSTSCALE
88
                   || dsp->fdct == ff_faandct
89
#endif
90
                   ) {
91
            for(i=0;i<64;i++) {
92
                const int j= dsp->idct_permutation[i];
93
                /* 16 <= qscale * quant_matrix[i] <= 7905 */
94 5bdf124c Diego Biurrun
                /* 19952             <= ff_aanscales[i] * qscale * quant_matrix[i]               <= 249205026 */
95
                /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
96
                /* 3444240           >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
97 3ada94ba Benoit Fouet
98
                qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
99 5bdf124c Diego Biurrun
                                (ff_aanscales[i] * qscale * quant_matrix[j]));
100 3ada94ba Benoit Fouet
            }
101
        } else {
102
            for(i=0;i<64;i++) {
103
                const int j= dsp->idct_permutation[i];
104
                /* We can safely suppose that 16 <= quant_matrix[i] <= 255
105
                   So 16           <= qscale * quant_matrix[i]             <= 7905
106
                   so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
107
                   so 32768        >= (1<<19) / (qscale * quant_matrix[i]) >= 67
108
                */
109
                qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
110
//                qmat  [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
111
                qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
112
113
                if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
114
                qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
115
            }
116
        }
117
118
        for(i=intra; i<64; i++){
119
            int64_t max= 8191;
120
            if (dsp->fdct == fdct_ifast
121
#ifndef FAAN_POSTSCALE
122
                   || dsp->fdct == ff_faandct
123
#endif
124
                   ) {
125 5bdf124c Diego Biurrun
                max = (8191LL*ff_aanscales[i]) >> 14;
126 3ada94ba Benoit Fouet
            }
127
            while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
128
                shift++;
129
            }
130
        }
131
    }
132
    if(shift){
133
        av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
134
    }
135
}
136
137
static inline void update_qscale(MpegEncContext *s){
138
    s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
139
    s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
140
141
    s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
142
}
143
144
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
145
    int i;
146
147
    if(matrix){
148
        put_bits(pb, 1, 1);
149
        for(i=0;i<64;i++) {
150
            put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
151
        }
152
    }else
153
        put_bits(pb, 1, 0);
154
}
155
156 9015b095 Michael Niedermayer
/**
157
 * init s->current_picture.qscale_table from s->lambda_table
158
 */
159
void ff_init_qscale_tab(MpegEncContext *s){
160
    int8_t * const qscale_table= s->current_picture.qscale_table;
161
    int i;
162
163
    for(i=0; i<s->mb_num; i++){
164
        unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
165
        int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
166
        qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
167
    }
168
}
169
170 3ada94ba Benoit Fouet
static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
171
    int i;
172
173
    dst->pict_type              = src->pict_type;
174
    dst->quality                = src->quality;
175
    dst->coded_picture_number   = src->coded_picture_number;
176
    dst->display_picture_number = src->display_picture_number;
177
//    dst->reference              = src->reference;
178
    dst->pts                    = src->pts;
179
    dst->interlaced_frame       = src->interlaced_frame;
180
    dst->top_field_first        = src->top_field_first;
181
182
    if(s->avctx->me_threshold){
183
        if(!src->motion_val[0])
184
            av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
185
        if(!src->mb_type)
186
            av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
187
        if(!src->ref_index[0])
188
            av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
189
        if(src->motion_subsample_log2 != dst->motion_subsample_log2)
190
            av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
191
            src->motion_subsample_log2, dst->motion_subsample_log2);
192
193
        memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
194
195
        for(i=0; i<2; i++){
196
            int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
197
            int height= ((16*s->mb_height)>>src->motion_subsample_log2);
198
199
            if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
200
                memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
201
            }
202
            if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
203 fc4a2d1e Michael Niedermayer
                memcpy(dst->ref_index[i], src->ref_index[i], s->mb_stride*4*s->mb_height*sizeof(int8_t));
204 3ada94ba Benoit Fouet
            }
205
        }
206
    }
207
}
208
209
static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
210
#define COPY(a) dst->a= src->a
211
    COPY(pict_type);
212
    COPY(current_picture);
213
    COPY(f_code);
214
    COPY(b_code);
215
    COPY(qscale);
216
    COPY(lambda);
217
    COPY(lambda2);
218
    COPY(picture_in_gop_number);
219
    COPY(gop_picture_number);
220
    COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
221
    COPY(progressive_frame); //FIXME don't set in encode_header
222
    COPY(partitioned_frame); //FIXME don't set in encode_header
223
#undef COPY
224
}
225
226
/**
227
 * sets the given MpegEncContext to defaults for encoding.
228
 * the changed fields will not depend upon the prior state of the MpegEncContext.
229
 */
230
static void MPV_encode_defaults(MpegEncContext *s){
231
    int i;
232
    MPV_common_defaults(s);
233
234
    for(i=-16; i<16; i++){
235
        default_fcode_tab[i + MAX_MV]= 1;
236
    }
237
    s->me.mv_penalty= default_mv_penalty;
238
    s->fcode_tab= default_fcode_tab;
239
}
240
241
/* init video encoder */
242 98a6fff9 Zuxy Meng
av_cold int MPV_encode_init(AVCodecContext *avctx)
243 3ada94ba Benoit Fouet
{
244
    MpegEncContext *s = avctx->priv_data;
245
    int i;
246
    int chroma_h_shift, chroma_v_shift;
247
248
    MPV_encode_defaults(s);
249
250
    switch (avctx->codec_id) {
251
    case CODEC_ID_MPEG2VIDEO:
252
        if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
253
            av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
254
            return -1;
255
        }
256
        break;
257
    case CODEC_ID_LJPEG:
258 db613296 Michael Niedermayer
        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 &&
259 e27bf2c7 Michael Niedermayer
           ((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)){
260
            av_log(avctx, AV_LOG_ERROR, "colorspace not supported in LJPEG\n");
261
            return -1;
262
        }
263
        break;
264 3ada94ba Benoit Fouet
    case CODEC_ID_MJPEG:
265 dc8465a9 Michael Niedermayer
        if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P &&
266 2d525ef4 Rodney Baker
           ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){
267 3ada94ba Benoit Fouet
            av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
268
            return -1;
269
        }
270
        break;
271
    default:
272
        if(avctx->pix_fmt != PIX_FMT_YUV420P){
273
            av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
274
            return -1;
275
        }
276
    }
277
278
    switch (avctx->pix_fmt) {
279
    case PIX_FMT_YUVJ422P:
280
    case PIX_FMT_YUV422P:
281
        s->chroma_format = CHROMA_422;
282
        break;
283
    case PIX_FMT_YUVJ420P:
284
    case PIX_FMT_YUV420P:
285
    default:
286
        s->chroma_format = CHROMA_420;
287
        break;
288
    }
289
290
    s->bit_rate = avctx->bit_rate;
291
    s->width = avctx->width;
292
    s->height = avctx->height;
293
    if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
294
        av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
295
        avctx->gop_size=600;
296
    }
297
    s->gop_size = avctx->gop_size;
298
    s->avctx = avctx;
299
    s->flags= avctx->flags;
300
    s->flags2= avctx->flags2;
301
    s->max_b_frames= avctx->max_b_frames;
302
    s->codec_id= avctx->codec->id;
303
    s->luma_elim_threshold  = avctx->luma_elim_threshold;
304
    s->chroma_elim_threshold= avctx->chroma_elim_threshold;
305
    s->strict_std_compliance= avctx->strict_std_compliance;
306
    s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
307
    s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
308
    s->mpeg_quant= avctx->mpeg_quant;
309
    s->rtp_mode= !!avctx->rtp_payload_size;
310
    s->intra_dc_precision= avctx->intra_dc_precision;
311
    s->user_specified_pts = AV_NOPTS_VALUE;
312
313
    if (s->gop_size <= 1) {
314
        s->intra_only = 1;
315
        s->gop_size = 12;
316
    } else {
317
        s->intra_only = 0;
318
    }
319
320
    s->me_method = avctx->me_method;
321
322
    /* Fixed QSCALE */
323
    s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
324
325
    s->adaptive_quant= (   s->avctx->lumi_masking
326
                        || s->avctx->dark_masking
327
                        || s->avctx->temporal_cplx_masking
328
                        || s->avctx->spatial_cplx_masking
329
                        || s->avctx->p_masking
330
                        || s->avctx->border_masking
331
                        || (s->flags&CODEC_FLAG_QP_RD))
332
                       && !s->fixed_qscale;
333
334
    s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
335
    s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
336
    s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
337
    s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
338
    s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
339
340
    if(avctx->rc_max_rate && !avctx->rc_buffer_size){
341
        av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
342
        return -1;
343
    }
344
345
    if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
346
        av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
347
    }
348
349
    if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
350
        av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
351
        return -1;
352
    }
353
354
    if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
355
        av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
356
        return -1;
357
    }
358
359 3dd2a1c5 Michael Niedermayer
    if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
360
        av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
361
    }
362
363 b33451ee Måns Rullgård
    if(avctx->rc_buffer_size && avctx->bit_rate*(int64_t)avctx->time_base.num > avctx->rc_buffer_size * (int64_t)avctx->time_base.den){
364 3ada94ba Benoit Fouet
        av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
365
        return -1;
366
    }
367
368 8d39fbd6 James Darnley
    if(!s->fixed_qscale && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
369 3ada94ba Benoit Fouet
        av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
370
        return -1;
371
    }
372
373
    if(   s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
374
       && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
375
       && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
376
377
        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");
378
    }
379
380
    if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
381
       && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
382
        av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
383
        return -1;
384
    }
385
386
    if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
387
        av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
388
        return -1;
389
    }
390
391
    if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
392
        av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
393
        return -1;
394
    }
395
396
    if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
397
        av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
398
        return -1;
399
    }
400
401
    if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
402
        av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
403
        return -1;
404
    }
405
406
    if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
407
        av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
408
        return -1;
409
    }
410
411 954a0b48 Michael Niedermayer
    if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 ||
412
         s->codec_id == CODEC_ID_H263P) &&
413
        (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) {
414
        av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
415
               avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
416
        return -1;
417
    }
418
419 3ada94ba Benoit Fouet
    if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
420
       && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
421
        av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
422
        return -1;
423
    }
424
425
    if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
426
        av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
427
        return -1;
428
    }
429
430 febea2f2 Baptiste Coudurier
    if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
431 3ada94ba Benoit Fouet
        av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
432
        return -1;
433
    }
434
435
    if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
436
        av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
437
        return -1;
438
    }
439
440
    if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
441 7ce68923 Diego Biurrun
        av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
442 3ada94ba Benoit Fouet
        return -1;
443
    }
444
445
    if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
446
        av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
447
        return -1;
448
    }
449
450
    if(s->flags & CODEC_FLAG_LOW_DELAY){
451 9cc440bf Michael Niedermayer
        if (s->codec_id != CODEC_ID_MPEG2VIDEO){
452
            av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
453 3ada94ba Benoit Fouet
            return -1;
454
        }
455
        if (s->max_b_frames != 0){
456
            av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
457
            return -1;
458
        }
459
    }
460
461
    if(s->q_scale_type == 1){
462
        if(s->codec_id != CODEC_ID_MPEG2VIDEO){
463
            av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
464
            return -1;
465
        }
466
        if(avctx->qmax > 12){
467
            av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
468
            return -1;
469
        }
470
    }
471
472
    if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
473
       && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
474
       && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
475
        av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
476
        return -1;
477
    }
478
479 b52b0913 Michael Niedermayer
    if(s->avctx->thread_count < 1){
480
        av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
481
        return -1;
482
    }
483
484 3ada94ba Benoit Fouet
    if(s->avctx->thread_count > 1)
485
        s->rtp_mode= 1;
486
487
    if(!avctx->time_base.den || !avctx->time_base.num){
488
        av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
489
        return -1;
490
    }
491
492
    i= (INT_MAX/2+128)>>8;
493
    if(avctx->me_threshold >= i){
494
        av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
495
        return -1;
496
    }
497
    if(avctx->mb_threshold >= i){
498
        av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
499
        return -1;
500
    }
501
502
    if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
503
        av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
504
        avctx->b_frame_strategy = 0;
505
    }
506
507 9ce6c138 Aurelien Jacobs
    i= av_gcd(avctx->time_base.den, avctx->time_base.num);
508 3ada94ba Benoit Fouet
    if(i > 1){
509
        av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
510
        avctx->time_base.den /= i;
511
        avctx->time_base.num /= i;
512
//        return -1;
513
    }
514
515 bd57cae8 Michael Niedermayer
    if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO || s->codec_id==CODEC_ID_MJPEG){
516 3ada94ba Benoit Fouet
        s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
517
        s->inter_quant_bias= 0;
518
    }else{
519
        s->intra_quant_bias=0;
520
        s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
521
    }
522
523
    if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
524
        s->intra_quant_bias= avctx->intra_quant_bias;
525
    if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
526
        s->inter_quant_bias= avctx->inter_quant_bias;
527
528
    avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
529
530
    if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
531 2d777bb7 Stefano Sabatini
        av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, "
532
               "the maximum admitted value for the timebase denominator is %d\n",
533
               s->avctx->time_base.num, s->avctx->time_base.den, (1<<16)-1);
534 3ada94ba Benoit Fouet
        return -1;
535
    }
536
    s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
537
538
    switch(avctx->codec->id) {
539
    case CODEC_ID_MPEG1VIDEO:
540
        s->out_format = FMT_MPEG1;
541
        s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
542
        avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
543
        break;
544
    case CODEC_ID_MPEG2VIDEO:
545
        s->out_format = FMT_MPEG1;
546
        s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
547
        avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
548
        s->rtp_mode= 1;
549
        break;
550
    case CODEC_ID_LJPEG:
551
    case CODEC_ID_MJPEG:
552
        s->out_format = FMT_MJPEG;
553
        s->intra_only = 1; /* force intra only for jpeg */
554 a1a63143 Michael Niedermayer
        if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){
555 e0b176ad Michael Niedermayer
            s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
556
            s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
557
            s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
558 a1a63143 Michael Niedermayer
        }else{
559
            s->mjpeg_vsample[0] = 2;
560
            s->mjpeg_vsample[1] = 2>>chroma_v_shift;
561
            s->mjpeg_vsample[2] = 2>>chroma_v_shift;
562
            s->mjpeg_hsample[0] = 2;
563
            s->mjpeg_hsample[1] = 2>>chroma_h_shift;
564
            s->mjpeg_hsample[2] = 2>>chroma_h_shift;
565 e0b176ad Michael Niedermayer
        }
566 49fb20cb Aurelien Jacobs
        if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
567 3ada94ba Benoit Fouet
            || ff_mjpeg_encode_init(s) < 0)
568
            return -1;
569
        avctx->delay=0;
570
        s->low_delay=1;
571
        break;
572
    case CODEC_ID_H261:
573 49fb20cb Aurelien Jacobs
        if (!CONFIG_H261_ENCODER)  return -1;
574 3ada94ba Benoit Fouet
        if (ff_h261_get_picture_format(s->width, s->height) < 0) {
575
            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);
576
            return -1;
577
        }
578
        s->out_format = FMT_H261;
579
        avctx->delay=0;
580
        s->low_delay=1;
581
        break;
582
    case CODEC_ID_H263:
583 49fb20cb Aurelien Jacobs
        if (!CONFIG_H263_ENCODER)  return -1;
584 35e33b9a Baptiste Coudurier
        if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 8) {
585 3ada94ba Benoit Fouet
            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);
586
            return -1;
587
        }
588
        s->out_format = FMT_H263;
589
        s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
590
        avctx->delay=0;
591
        s->low_delay=1;
592
        break;
593
    case CODEC_ID_H263P:
594
        s->out_format = FMT_H263;
595
        s->h263_plus = 1;
596
        /* Fx */
597
        s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
598
        s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
599
        s->modified_quant= s->h263_aic;
600
        s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
601
        s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
602
        s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
603
        s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
604
        s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
605
606
        /* /Fx */
607
        /* These are just to be sure */
608
        avctx->delay=0;
609
        s->low_delay=1;
610
        break;
611
    case CODEC_ID_FLV1:
612
        s->out_format = FMT_H263;
613
        s->h263_flv = 2; /* format = 1; 11-bit codes */
614
        s->unrestricted_mv = 1;
615
        s->rtp_mode=0; /* don't allow GOB */
616
        avctx->delay=0;
617
        s->low_delay=1;
618
        break;
619
    case CODEC_ID_RV10:
620
        s->out_format = FMT_H263;
621
        avctx->delay=0;
622
        s->low_delay=1;
623
        break;
624
    case CODEC_ID_RV20:
625
        s->out_format = FMT_H263;
626
        avctx->delay=0;
627
        s->low_delay=1;
628
        s->modified_quant=1;
629
        s->h263_aic=1;
630
        s->h263_plus=1;
631
        s->loop_filter=1;
632 53eb458a Michael Niedermayer
        s->unrestricted_mv= 0;
633 3ada94ba Benoit Fouet
        break;
634
    case CODEC_ID_MPEG4:
635
        s->out_format = FMT_H263;
636
        s->h263_pred = 1;
637
        s->unrestricted_mv = 1;
638
        s->low_delay= s->max_b_frames ? 0 : 1;
639
        avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
640
        break;
641
    case CODEC_ID_MSMPEG4V1:
642
        s->out_format = FMT_H263;
643
        s->h263_msmpeg4 = 1;
644
        s->h263_pred = 1;
645
        s->unrestricted_mv = 1;
646
        s->msmpeg4_version= 1;
647
        avctx->delay=0;
648
        s->low_delay=1;
649
        break;
650
    case CODEC_ID_MSMPEG4V2:
651
        s->out_format = FMT_H263;
652
        s->h263_msmpeg4 = 1;
653
        s->h263_pred = 1;
654
        s->unrestricted_mv = 1;
655
        s->msmpeg4_version= 2;
656
        avctx->delay=0;
657
        s->low_delay=1;
658
        break;
659
    case CODEC_ID_MSMPEG4V3:
660
        s->out_format = FMT_H263;
661
        s->h263_msmpeg4 = 1;
662
        s->h263_pred = 1;
663
        s->unrestricted_mv = 1;
664
        s->msmpeg4_version= 3;
665
        s->flipflop_rounding=1;
666
        avctx->delay=0;
667
        s->low_delay=1;
668
        break;
669
    case CODEC_ID_WMV1:
670
        s->out_format = FMT_H263;
671
        s->h263_msmpeg4 = 1;
672
        s->h263_pred = 1;
673
        s->unrestricted_mv = 1;
674
        s->msmpeg4_version= 4;
675
        s->flipflop_rounding=1;
676
        avctx->delay=0;
677
        s->low_delay=1;
678
        break;
679
    case CODEC_ID_WMV2:
680
        s->out_format = FMT_H263;
681
        s->h263_msmpeg4 = 1;
682
        s->h263_pred = 1;
683
        s->unrestricted_mv = 1;
684
        s->msmpeg4_version= 5;
685
        s->flipflop_rounding=1;
686
        avctx->delay=0;
687
        s->low_delay=1;
688
        break;
689
    default:
690
        return -1;
691
    }
692
693
    avctx->has_b_frames= !s->low_delay;
694
695
    s->encoding = 1;
696
697 01bc48f4 Baptiste Coudurier
    s->progressive_frame=
698
    s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
699
700 3ada94ba Benoit Fouet
    /* init */
701
    if (MPV_common_init(s) < 0)
702
        return -1;
703
704 53727262 Aurelien Jacobs
    if(!s->dct_quantize)
705
        s->dct_quantize = dct_quantize_c;
706
    if(!s->denoise_dct)
707
        s->denoise_dct = denoise_dct_c;
708
    s->fast_dct_quantize = s->dct_quantize;
709 febea2f2 Baptiste Coudurier
    if(avctx->trellis)
710 53727262 Aurelien Jacobs
        s->dct_quantize = dct_quantize_trellis_c;
711
712 49fb20cb Aurelien Jacobs
    if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
713 3ada94ba Benoit Fouet
        s->chroma_qscale_table= ff_h263_chroma_qscale_table;
714 01bc48f4 Baptiste Coudurier
715 3ada94ba Benoit Fouet
    s->quant_precision=5;
716
717
    ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
718
    ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
719
720 49fb20cb Aurelien Jacobs
    if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
721 3ada94ba Benoit Fouet
        ff_h261_encode_init(s);
722 f34121f3 Diego Biurrun
    if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
723 3ada94ba Benoit Fouet
        h263_encode_init(s);
724 49fb20cb Aurelien Jacobs
    if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
725 3ada94ba Benoit Fouet
        ff_msmpeg4_encode_init(s);
726 49fb20cb Aurelien Jacobs
    if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
727 a6bc5731 Aurelien Jacobs
        && s->out_format == FMT_MPEG1)
728 3ada94ba Benoit Fouet
        ff_mpeg1_encode_init(s);
729
730
    /* init q matrix */
731
    for(i=0;i<64;i++) {
732
        int j= s->dsp.idct_permutation[i];
733 49fb20cb Aurelien Jacobs
        if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
734 3ada94ba Benoit Fouet
            s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
735
            s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
736
        }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
737
            s->intra_matrix[j] =
738
            s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
739
        }else
740
        { /* mpeg1/2 */
741
            s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
742
            s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
743
        }
744
        if(s->avctx->intra_matrix)
745
            s->intra_matrix[j] = s->avctx->intra_matrix[i];
746
        if(s->avctx->inter_matrix)
747
            s->inter_matrix[j] = s->avctx->inter_matrix[i];
748
    }
749
750
    /* precompute matrix */
751
    /* for mjpeg, we do include qscale in the matrix */
752
    if (s->out_format != FMT_MJPEG) {
753 69cea75f Baptiste Coudurier
        ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
754 3ada94ba Benoit Fouet
                       s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
755 69cea75f Baptiste Coudurier
        ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
756 3ada94ba Benoit Fouet
                       s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
757
    }
758
759
    if(ff_rate_control_init(s) < 0)
760
        return -1;
761
762
    return 0;
763
}
764
765 98a6fff9 Zuxy Meng
av_cold int MPV_encode_end(AVCodecContext *avctx)
766 3ada94ba Benoit Fouet
{
767
    MpegEncContext *s = avctx->priv_data;
768
769
    ff_rate_control_uninit(s);
770
771
    MPV_common_end(s);
772 49fb20cb Aurelien Jacobs
    if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
773 3ada94ba Benoit Fouet
        ff_mjpeg_encode_close(s);
774
775
    av_freep(&avctx->extradata);
776
777
    return 0;
778
}
779
780
static int get_sae(uint8_t *src, int ref, int stride){
781
    int x,y;
782
    int acc=0;
783
784
    for(y=0; y<16; y++){
785
        for(x=0; x<16; x++){
786
            acc+= FFABS(src[x+y*stride] - ref);
787
        }
788
    }
789
790
    return acc;
791
}
792
793
static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
794
    int x, y, w, h;
795
    int acc=0;
796
797
    w= s->width &~15;
798
    h= s->height&~15;
799
800
    for(y=0; y<h; y+=16){
801
        for(x=0; x<w; x+=16){
802
            int offset= x + y*stride;
803
            int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
804
            int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
805
            int sae = get_sae(src + offset, mean, stride);
806
807
            acc+= sae + 500 < sad;
808
        }
809
    }
810
    return acc;
811
}
812
813
814
static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
815
    AVFrame *pic=NULL;
816
    int64_t pts;
817
    int i;
818
    const int encoding_delay= s->max_b_frames;
819
    int direct=1;
820
821
    if(pic_arg){
822
        pts= pic_arg->pts;
823
        pic_arg->display_picture_number= s->input_picture_number++;
824
825
        if(pts != AV_NOPTS_VALUE){
826
            if(s->user_specified_pts != AV_NOPTS_VALUE){
827
                int64_t time= pts;
828
                int64_t last= s->user_specified_pts;
829
830
                if(time <= last){
831
                    av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
832
                    return -1;
833
                }
834
            }
835
            s->user_specified_pts= pts;
836
        }else{
837
            if(s->user_specified_pts != AV_NOPTS_VALUE){
838
                s->user_specified_pts=
839
                pts= s->user_specified_pts + 1;
840
                av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
841
            }else{
842
                pts= pic_arg->display_picture_number;
843
            }
844
        }
845
    }
846
847
  if(pic_arg){
848
    if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
849
    if(pic_arg->linesize[0] != s->linesize) direct=0;
850
    if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
851
    if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
852
853
//    av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
854
855
    if(direct){
856
        i= ff_find_unused_picture(s, 1);
857
858
        pic= (AVFrame*)&s->picture[i];
859
        pic->reference= 3;
860
861
        for(i=0; i<4; i++){
862
            pic->data[i]= pic_arg->data[i];
863
            pic->linesize[i]= pic_arg->linesize[i];
864
        }
865 be548816 Pavel Pavlov
        if(ff_alloc_picture(s, (Picture*)pic, 1) < 0){
866
            return -1;
867
        }
868 3ada94ba Benoit Fouet
    }else{
869
        i= ff_find_unused_picture(s, 0);
870
871
        pic= (AVFrame*)&s->picture[i];
872
        pic->reference= 3;
873
874 be548816 Pavel Pavlov
        if(ff_alloc_picture(s, (Picture*)pic, 0) < 0){
875
            return -1;
876
        }
877 3ada94ba Benoit Fouet
878
        if(   pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
879
           && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
880
           && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
881
       // empty
882
        }else{
883
            int h_chroma_shift, v_chroma_shift;
884
            avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
885
886
            for(i=0; i<3; i++){
887
                int src_stride= pic_arg->linesize[i];
888
                int dst_stride= i ? s->uvlinesize : s->linesize;
889
                int h_shift= i ? h_chroma_shift : 0;
890
                int v_shift= i ? v_chroma_shift : 0;
891
                int w= s->width >>h_shift;
892
                int h= s->height>>v_shift;
893
                uint8_t *src= pic_arg->data[i];
894
                uint8_t *dst= pic->data[i];
895
896
                if(!s->avctx->rc_buffer_size)
897
                    dst +=INPLACE_OFFSET;
898
899
                if(src_stride==dst_stride)
900
                    memcpy(dst, src, src_stride*h);
901
                else{
902
                    while(h--){
903
                        memcpy(dst, src, w);
904
                        dst += dst_stride;
905
                        src += src_stride;
906
                    }
907
                }
908
            }
909
        }
910
    }
911
    copy_picture_attributes(s, pic, pic_arg);
912
    pic->pts= pts; //we set this here to avoid modifiying pic_arg
913
  }
914
915
    /* shift buffer entries */
916
    for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
917
        s->input_picture[i-1]= s->input_picture[i];
918
919
    s->input_picture[encoding_delay]= (Picture*)pic;
920
921
    return 0;
922
}
923
924
static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
925
    int x, y, plane;
926
    int score=0;
927
    int64_t score64=0;
928
929
    for(plane=0; plane<3; plane++){
930
        const int stride= p->linesize[plane];
931
        const int bw= plane ? 1 : 2;
932
        for(y=0; y<s->mb_height*bw; y++){
933
            for(x=0; x<s->mb_width*bw; x++){
934
                int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
935
                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);
936
937
                switch(s->avctx->frame_skip_exp){
938
                    case 0: score= FFMAX(score, v); break;
939
                    case 1: score+= FFABS(v);break;
940
                    case 2: score+= v*v;break;
941
                    case 3: score64+= FFABS(v*v*(int64_t)v);break;
942
                    case 4: score64+= v*v*(int64_t)(v*v);break;
943
                }
944
            }
945
        }
946
    }
947
948
    if(score) score64= score;
949
950
    if(score64 < s->avctx->frame_skip_threshold)
951
        return 1;
952
    if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
953
        return 1;
954
    return 0;
955
}
956
957
static int estimate_best_b_count(MpegEncContext *s){
958
    AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
959
    AVCodecContext *c= avcodec_alloc_context();
960
    AVFrame input[FF_MAX_B_FRAMES+2];
961
    const int scale= s->avctx->brd_scale;
962
    int i, j, out_size, p_lambda, b_lambda, lambda2;
963
    int outbuf_size= s->width * s->height; //FIXME
964
    uint8_t *outbuf= av_malloc(outbuf_size);
965
    int64_t best_rd= INT64_MAX;
966
    int best_b_count= -1;
967
968
    assert(scale>=0 && scale <=3);
969
970
//    emms_c();
971 ce5e49b0 Stefano Sabatini
    p_lambda= s->last_lambda_for[AV_PICTURE_TYPE_P]; //s->next_picture_ptr->quality;
972
    b_lambda= s->last_lambda_for[AV_PICTURE_TYPE_B]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
973 3ada94ba Benoit Fouet
    if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
974
    lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
975
976
    c->width = s->width >> scale;
977
    c->height= s->height>> scale;
978
    c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
979
    c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
980
    c->mb_decision= s->avctx->mb_decision;
981
    c->me_cmp= s->avctx->me_cmp;
982
    c->mb_cmp= s->avctx->mb_cmp;
983
    c->me_sub_cmp= s->avctx->me_sub_cmp;
984
    c->pix_fmt = PIX_FMT_YUV420P;
985
    c->time_base= s->avctx->time_base;
986
    c->max_b_frames= s->max_b_frames;
987
988
    if (avcodec_open(c, codec) < 0)
989
        return -1;
990
991
    for(i=0; i<s->max_b_frames+2; i++){
992
        int ysize= c->width*c->height;
993
        int csize= (c->width/2)*(c->height/2);
994
        Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
995
996
        avcodec_get_frame_defaults(&input[i]);
997
        input[i].data[0]= av_malloc(ysize + 2*csize);
998
        input[i].data[1]= input[i].data[0] + ysize;
999
        input[i].data[2]= input[i].data[1] + csize;
1000
        input[i].linesize[0]= c->width;
1001
        input[i].linesize[1]=
1002
        input[i].linesize[2]= c->width/2;
1003
1004
        if(pre_input_ptr && (!i || s->input_picture[i-1])) {
1005
            pre_input= *pre_input_ptr;
1006
1007
            if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
1008
                pre_input.data[0]+=INPLACE_OFFSET;
1009
                pre_input.data[1]+=INPLACE_OFFSET;
1010
                pre_input.data[2]+=INPLACE_OFFSET;
1011
            }
1012
1013
            s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
1014
            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);
1015
            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);
1016
        }
1017
    }
1018
1019
    for(j=0; j<s->max_b_frames+1; j++){
1020
        int64_t rd=0;
1021
1022
        if(!s->input_picture[j])
1023
            break;
1024
1025
        c->error[0]= c->error[1]= c->error[2]= 0;
1026
1027 ce5e49b0 Stefano Sabatini
        input[0].pict_type= AV_PICTURE_TYPE_I;
1028 3ada94ba Benoit Fouet
        input[0].quality= 1 * FF_QP2LAMBDA;
1029
        out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1030
//        rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1031
1032
        for(i=0; i<s->max_b_frames+1; i++){
1033
            int is_p= i % (j+1) == j || i==s->max_b_frames;
1034
1035 ce5e49b0 Stefano Sabatini
            input[i+1].pict_type= is_p ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
1036 3ada94ba Benoit Fouet
            input[i+1].quality= is_p ? p_lambda : b_lambda;
1037
            out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1038
            rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1039
        }
1040
1041
        /* get the delayed frames */
1042
        while(out_size){
1043
            out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1044
            rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1045
        }
1046
1047
        rd += c->error[0] + c->error[1] + c->error[2];
1048
1049
        if(rd < best_rd){
1050
            best_rd= rd;
1051
            best_b_count= j;
1052
        }
1053
    }
1054
1055
    av_freep(&outbuf);
1056
    avcodec_close(c);
1057
    av_freep(&c);
1058
1059
    for(i=0; i<s->max_b_frames+2; i++){
1060
        av_freep(&input[i].data[0]);
1061
    }
1062
1063
    return best_b_count;
1064
}
1065
1066 be548816 Pavel Pavlov
static int select_input_picture(MpegEncContext *s){
1067 3ada94ba Benoit Fouet
    int i;
1068
1069
    for(i=1; i<MAX_PICTURE_COUNT; i++)
1070
        s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1071
    s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1072
1073
    /* set next picture type & ordering */
1074
    if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1075
        if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1076
            s->reordered_input_picture[0]= s->input_picture[0];
1077 ce5e49b0 Stefano Sabatini
            s->reordered_input_picture[0]->pict_type= AV_PICTURE_TYPE_I;
1078 3ada94ba Benoit Fouet
            s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1079
        }else{
1080
            int b_frames;
1081
1082
            if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1083
                if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1084
                //FIXME check that te gop check above is +-1 correct
1085
//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1086
1087
                    if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1088
                        for(i=0; i<4; i++)
1089
                            s->input_picture[0]->data[i]= NULL;
1090
                        s->input_picture[0]->type= 0;
1091
                    }else{
1092
                        assert(   s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1093
                               || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1094
1095
                        s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1096
                    }
1097
1098
                    emms_c();
1099
                    ff_vbv_update(s, 0);
1100
1101
                    goto no_output_pic;
1102
                }
1103
            }
1104
1105
            if(s->flags&CODEC_FLAG_PASS2){
1106
                for(i=0; i<s->max_b_frames+1; i++){
1107
                    int pict_num= s->input_picture[0]->display_picture_number + i;
1108
1109
                    if(pict_num >= s->rc_context.num_entries)
1110
                        break;
1111
                    if(!s->input_picture[i]){
1112 ce5e49b0 Stefano Sabatini
                        s->rc_context.entry[pict_num-1].new_pict_type = AV_PICTURE_TYPE_P;
1113 3ada94ba Benoit Fouet
                        break;
1114
                    }
1115
1116
                    s->input_picture[i]->pict_type=
1117
                        s->rc_context.entry[pict_num].new_pict_type;
1118
                }
1119
            }
1120
1121
            if(s->avctx->b_frame_strategy==0){
1122
                b_frames= s->max_b_frames;
1123
                while(b_frames && !s->input_picture[b_frames]) b_frames--;
1124
            }else if(s->avctx->b_frame_strategy==1){
1125
                for(i=1; i<s->max_b_frames+1; i++){
1126
                    if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1127
                        s->input_picture[i]->b_frame_score=
1128
                            get_intra_count(s, s->input_picture[i  ]->data[0],
1129
                                               s->input_picture[i-1]->data[0], s->linesize) + 1;
1130
                    }
1131
                }
1132
                for(i=0; i<s->max_b_frames+1; i++){
1133
                    if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1134
                }
1135
1136
                b_frames= FFMAX(0, i-1);
1137
1138
                /* reset scores */
1139
                for(i=0; i<b_frames+1; i++){
1140
                    s->input_picture[i]->b_frame_score=0;
1141
                }
1142
            }else if(s->avctx->b_frame_strategy==2){
1143
                b_frames= estimate_best_b_count(s);
1144
            }else{
1145
                av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1146
                b_frames=0;
1147
            }
1148
1149
            emms_c();
1150
//static int b_count=0;
1151
//b_count+= b_frames;
1152
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1153
1154
            for(i= b_frames - 1; i>=0; i--){
1155
                int type= s->input_picture[i]->pict_type;
1156 ce5e49b0 Stefano Sabatini
                if(type && type != AV_PICTURE_TYPE_B)
1157 3ada94ba Benoit Fouet
                    b_frames= i;
1158
            }
1159 ce5e49b0 Stefano Sabatini
            if(s->input_picture[b_frames]->pict_type == AV_PICTURE_TYPE_B && b_frames == s->max_b_frames){
1160 3ada94ba Benoit Fouet
                av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1161
            }
1162
1163
            if(s->picture_in_gop_number + b_frames >= s->gop_size){
1164
              if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1165
                    b_frames= s->gop_size - s->picture_in_gop_number - 1;
1166
              }else{
1167
                if(s->flags & CODEC_FLAG_CLOSED_GOP)
1168
                    b_frames=0;
1169 ce5e49b0 Stefano Sabatini
                s->input_picture[b_frames]->pict_type= AV_PICTURE_TYPE_I;
1170 3ada94ba Benoit Fouet
              }
1171
            }
1172
1173
            if(   (s->flags & CODEC_FLAG_CLOSED_GOP)
1174
               && b_frames
1175 ce5e49b0 Stefano Sabatini
               && s->input_picture[b_frames]->pict_type== AV_PICTURE_TYPE_I)
1176 3ada94ba Benoit Fouet
                b_frames--;
1177
1178
            s->reordered_input_picture[0]= s->input_picture[b_frames];
1179 ce5e49b0 Stefano Sabatini
            if(s->reordered_input_picture[0]->pict_type != AV_PICTURE_TYPE_I)
1180
                s->reordered_input_picture[0]->pict_type= AV_PICTURE_TYPE_P;
1181 3ada94ba Benoit Fouet
            s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1182
            for(i=0; i<b_frames; i++){
1183
                s->reordered_input_picture[i+1]= s->input_picture[i];
1184 ce5e49b0 Stefano Sabatini
                s->reordered_input_picture[i+1]->pict_type= AV_PICTURE_TYPE_B;
1185 3ada94ba Benoit Fouet
                s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1186
            }
1187
        }
1188
    }
1189
no_output_pic:
1190
    if(s->reordered_input_picture[0]){
1191 ce5e49b0 Stefano Sabatini
        s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=AV_PICTURE_TYPE_B ? 3 : 0;
1192 3ada94ba Benoit Fouet
1193 8d2fc163 Carl Eugen Hoyos
        ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1194 3ada94ba Benoit Fouet
1195
        if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1196
            // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1197
1198
            int i= ff_find_unused_picture(s, 0);
1199
            Picture *pic= &s->picture[i];
1200
1201
            pic->reference              = s->reordered_input_picture[0]->reference;
1202 be548816 Pavel Pavlov
            if(ff_alloc_picture(s, pic, 0) < 0){
1203
                return -1;
1204
            }
1205 3ada94ba Benoit Fouet
1206
            /* mark us unused / free shared pic */
1207
            if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1208
                s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1209
            for(i=0; i<4; i++)
1210
                s->reordered_input_picture[0]->data[i]= NULL;
1211
            s->reordered_input_picture[0]->type= 0;
1212
1213
            copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1214
1215
            s->current_picture_ptr= pic;
1216
        }else{
1217
            // input is not a shared pix -> reuse buffer for current_pix
1218
1219
            assert(   s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1220
                   || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1221
1222
            s->current_picture_ptr= s->reordered_input_picture[0];
1223
            for(i=0; i<4; i++){
1224
                s->new_picture.data[i]+= INPLACE_OFFSET;
1225
            }
1226
        }
1227 8d2fc163 Carl Eugen Hoyos
        ff_copy_picture(&s->current_picture, s->current_picture_ptr);
1228 3ada94ba Benoit Fouet
1229
        s->picture_number= s->new_picture.display_picture_number;
1230
//printf("dpn:%d\n", s->picture_number);
1231
    }else{
1232
       memset(&s->new_picture, 0, sizeof(Picture));
1233
    }
1234 be548816 Pavel Pavlov
    return 0;
1235 3ada94ba Benoit Fouet
}
1236
1237
int MPV_encode_picture(AVCodecContext *avctx,
1238
                       unsigned char *buf, int buf_size, void *data)
1239
{
1240
    MpegEncContext *s = avctx->priv_data;
1241
    AVFrame *pic_arg = data;
1242 d375c104 Michael Niedermayer
    int i, stuffing_count, context_count = avctx->active_thread_type&FF_THREAD_SLICE ? avctx->thread_count : 1;
1243 3ada94ba Benoit Fouet
1244 d375c104 Michael Niedermayer
    for(i=0; i<context_count; i++){
1245 3ada94ba Benoit Fouet
        int start_y= s->thread_context[i]->start_mb_y;
1246
        int   end_y= s->thread_context[i]->  end_mb_y;
1247
        int h= s->mb_height;
1248
        uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1249
        uint8_t *end  = buf + (size_t)(((int64_t) buf_size)*  end_y/h);
1250
1251
        init_put_bits(&s->thread_context[i]->pb, start, end - start);
1252
    }
1253
1254
    s->picture_in_gop_number++;
1255
1256
    if(load_input_picture(s, pic_arg) < 0)
1257
        return -1;
1258
1259 be548816 Pavel Pavlov
    if(select_input_picture(s) < 0){
1260
        return -1;
1261
    }
1262 3ada94ba Benoit Fouet
1263
    /* output? */
1264
    if(s->new_picture.data[0]){
1265
        s->pict_type= s->new_picture.pict_type;
1266
//emms_c();
1267
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1268
        MPV_frame_start(s, avctx);
1269
vbv_retry:
1270
        if (encode_picture(s, s->picture_number) < 0)
1271
            return -1;
1272
1273
        avctx->header_bits = s->header_bits;
1274
        avctx->mv_bits     = s->mv_bits;
1275
        avctx->misc_bits   = s->misc_bits;
1276
        avctx->i_tex_bits  = s->i_tex_bits;
1277
        avctx->p_tex_bits  = s->p_tex_bits;
1278
        avctx->i_count     = s->i_count;
1279
        avctx->p_count     = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1280
        avctx->skip_count  = s->skip_count;
1281
1282
        MPV_frame_end(s);
1283
1284 49fb20cb Aurelien Jacobs
        if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1285 3ada94ba Benoit Fouet
            ff_mjpeg_encode_picture_trailer(s);
1286
1287
        if(avctx->rc_buffer_size){
1288
            RateControlContext *rcc= &s->rc_context;
1289 3bff4d8b Baptiste Coudurier
            int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
1290 3ada94ba Benoit Fouet
1291
            if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1292
                s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1293
                if(s->adaptive_quant){
1294
                    int i;
1295
                    for(i=0; i<s->mb_height*s->mb_stride; i++)
1296
                        s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1297
                }
1298
                s->mb_skipped = 0;        //done in MPV_frame_start()
1299 ce5e49b0 Stefano Sabatini
                if(s->pict_type==AV_PICTURE_TYPE_P){ //done in encode_picture() so we must undo it
1300 3ada94ba Benoit Fouet
                    if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1301
                        s->no_rounding ^= 1;
1302
                }
1303 ce5e49b0 Stefano Sabatini
                if(s->pict_type!=AV_PICTURE_TYPE_B){
1304 3ada94ba Benoit Fouet
                    s->time_base= s->last_time_base;
1305
                    s->last_non_b_time= s->time - s->pp_time;
1306
                }
1307
//                av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1308 d375c104 Michael Niedermayer
                for(i=0; i<context_count; i++){
1309 3ada94ba Benoit Fouet
                    PutBitContext *pb= &s->thread_context[i]->pb;
1310
                    init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1311
                }
1312
                goto vbv_retry;
1313
            }
1314
1315
            assert(s->avctx->rc_max_rate);
1316
        }
1317
1318
        if(s->flags&CODEC_FLAG_PASS1)
1319
            ff_write_pass1_stats(s);
1320
1321
        for(i=0; i<4; i++){
1322
            s->current_picture_ptr->error[i]= s->current_picture.error[i];
1323
            avctx->error[i] += s->current_picture_ptr->error[i];
1324
        }
1325
1326
        if(s->flags&CODEC_FLAG_PASS1)
1327
            assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1328
        flush_put_bits(&s->pb);
1329
        s->frame_bits  = put_bits_count(&s->pb);
1330
1331
        stuffing_count= ff_vbv_update(s, s->frame_bits);
1332
        if(stuffing_count){
1333
            if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1334
                av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1335
                return -1;
1336
            }
1337
1338
            switch(s->codec_id){
1339
            case CODEC_ID_MPEG1VIDEO:
1340
            case CODEC_ID_MPEG2VIDEO:
1341
                while(stuffing_count--){
1342
                    put_bits(&s->pb, 8, 0);
1343
                }
1344
            break;
1345
            case CODEC_ID_MPEG4:
1346
                put_bits(&s->pb, 16, 0);
1347
                put_bits(&s->pb, 16, 0x1C3);
1348
                stuffing_count -= 4;
1349
                while(stuffing_count--){
1350
                    put_bits(&s->pb, 8, 0xFF);
1351
                }
1352
            break;
1353
            default:
1354
                av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1355
            }
1356
            flush_put_bits(&s->pb);
1357
            s->frame_bits  = put_bits_count(&s->pb);
1358
        }
1359
1360
        /* update mpeg1/2 vbv_delay for CBR */
1361
        if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1362
           && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1363 4601e76a Michael Niedermayer
            int vbv_delay, min_delay;
1364
            double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
1365
            int    minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
1366
            double bits   = s->rc_context.buffer_index + minbits - inbits;
1367
1368
            if(bits<0)
1369
                av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
1370 3ada94ba Benoit Fouet
1371
            assert(s->repeat_first_field==0);
1372
1373 4601e76a Michael Niedermayer
            vbv_delay=     bits * 90000                               / s->avctx->rc_max_rate;
1374
            min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
1375
1376
            vbv_delay= FFMAX(vbv_delay, min_delay);
1377
1378 3ada94ba Benoit Fouet
            assert(vbv_delay < 0xFFFF);
1379
1380
            s->vbv_delay_ptr[0] &= 0xF8;
1381
            s->vbv_delay_ptr[0] |= vbv_delay>>13;
1382
            s->vbv_delay_ptr[1]  = vbv_delay>>5;
1383
            s->vbv_delay_ptr[2] &= 0x07;
1384
            s->vbv_delay_ptr[2] |= vbv_delay<<3;
1385 b6d07000 Christophe Massiot
            avctx->vbv_delay = vbv_delay*300;
1386 3ada94ba Benoit Fouet
        }
1387
        s->total_bits += s->frame_bits;
1388
        avctx->frame_bits  = s->frame_bits;
1389
    }else{
1390 fb53b4a0 Stefano Sabatini
        assert((put_bits_ptr(&s->pb) == s->pb.buf));
1391 3ada94ba Benoit Fouet
        s->frame_bits=0;
1392
    }
1393
    assert((s->frame_bits&7)==0);
1394
1395
    return s->frame_bits/8;
1396
}
1397
1398
static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1399
{
1400
    static const char tab[64]=
1401
        {3,2,2,1,1,1,1,1,
1402
         1,1,1,1,1,1,1,1,
1403
         1,1,1,1,1,1,1,1,
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
         0,0,0,0,0,0,0,0};
1409
    int score=0;
1410
    int run=0;
1411
    int i;
1412
    DCTELEM *block= s->block[n];
1413
    const int last_index= s->block_last_index[n];
1414
    int skip_dc;
1415
1416
    if(threshold<0){
1417
        skip_dc=0;
1418
        threshold= -threshold;
1419
    }else
1420
        skip_dc=1;
1421
1422 bd107136 Diego Biurrun
    /* Are all we could set to zero already zero? */
1423 3ada94ba Benoit Fouet
    if(last_index<=skip_dc - 1) return;
1424
1425
    for(i=0; i<=last_index; i++){
1426
        const int j = s->intra_scantable.permutated[i];
1427
        const int level = FFABS(block[j]);
1428
        if(level==1){
1429
            if(skip_dc && i==0) continue;
1430
            score+= tab[run];
1431
            run=0;
1432
        }else if(level>1){
1433
            return;
1434
        }else{
1435
            run++;
1436
        }
1437
    }
1438
    if(score >= threshold) return;
1439
    for(i=skip_dc; i<=last_index; i++){
1440
        const int j = s->intra_scantable.permutated[i];
1441
        block[j]=0;
1442
    }
1443
    if(block[0]) s->block_last_index[n]= 0;
1444
    else         s->block_last_index[n]= -1;
1445
}
1446
1447
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1448
{
1449
    int i;
1450
    const int maxlevel= s->max_qcoeff;
1451
    const int minlevel= s->min_qcoeff;
1452
    int overflow=0;
1453
1454
    if(s->mb_intra){
1455
        i=1; //skip clipping of intra dc
1456
    }else
1457
        i=0;
1458
1459
    for(;i<=last_index; i++){
1460
        const int j= s->intra_scantable.permutated[i];
1461
        int level = block[j];
1462
1463
        if     (level>maxlevel){
1464
            level=maxlevel;
1465
            overflow++;
1466
        }else if(level<minlevel){
1467
            level=minlevel;
1468
            overflow++;
1469
        }
1470
1471
        block[j]= level;
1472
    }
1473
1474
    if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1475
        av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1476
}
1477
1478 f073a393 Diego Biurrun
static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
1479 3ada94ba Benoit Fouet
    int x, y;
1480
//FIXME optimize
1481
    for(y=0; y<8; y++){
1482
        for(x=0; x<8; x++){
1483
            int x2, y2;
1484
            int sum=0;
1485
            int sqr=0;
1486
            int count=0;
1487
1488
            for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1489
                for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1490
                    int v= ptr[x2 + y2*stride];
1491
                    sum += v;
1492
                    sqr += v*v;
1493
                    count++;
1494
                }
1495
            }
1496
            weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1497
        }
1498
    }
1499
}
1500
1501
static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1502
{
1503
    int16_t weight[8][64];
1504
    DCTELEM orig[8][64];
1505
    const int mb_x= s->mb_x;
1506
    const int mb_y= s->mb_y;
1507
    int i;
1508
    int skip_dct[8];
1509
    int dct_offset   = s->linesize*8; //default for progressive frames
1510
    uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1511
    int wrap_y, wrap_c;
1512
1513
    for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1514
1515
    if(s->adaptive_quant){
1516
        const int last_qp= s->qscale;
1517
        const int mb_xy= mb_x + mb_y*s->mb_stride;
1518
1519
        s->lambda= s->lambda_table[mb_xy];
1520
        update_qscale(s);
1521
1522
        if(!(s->flags&CODEC_FLAG_QP_RD)){
1523
            s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1524
            s->dquant= s->qscale - last_qp;
1525
1526
            if(s->out_format==FMT_H263){
1527
                s->dquant= av_clip(s->dquant, -2, 2);
1528
1529
                if(s->codec_id==CODEC_ID_MPEG4){
1530
                    if(!s->mb_intra){
1531 ce5e49b0 Stefano Sabatini
                        if(s->pict_type == AV_PICTURE_TYPE_B){
1532 3ada94ba Benoit Fouet
                            if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1533
                                s->dquant= 0;
1534
                        }
1535
                        if(s->mv_type==MV_TYPE_8X8)
1536
                            s->dquant=0;
1537
                    }
1538
                }
1539
            }
1540
        }
1541
        ff_set_qscale(s, last_qp + s->dquant);
1542
    }else if(s->flags&CODEC_FLAG_QP_RD)
1543
        ff_set_qscale(s, s->qscale + s->dquant);
1544
1545
    wrap_y = s->linesize;
1546
    wrap_c = s->uvlinesize;
1547
    ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1548
    ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1549
    ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1550
1551
    if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1552
        uint8_t *ebuf= s->edge_emu_buffer + 32;
1553 d23e3e5f Ronald S. Bultje
        s->dsp.emulated_edge_mc(ebuf            , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width   , s->height);
1554 3ada94ba Benoit Fouet
        ptr_y= ebuf;
1555 d23e3e5f Ronald S. Bultje
        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);
1556 3ada94ba Benoit Fouet
        ptr_cb= ebuf+18*wrap_y;
1557 d23e3e5f Ronald S. Bultje
        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);
1558 3ada94ba Benoit Fouet
        ptr_cr= ebuf+18*wrap_y+8;
1559
    }
1560
1561
    if (s->mb_intra) {
1562
        if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1563
            int progressive_score, interlaced_score;
1564
1565
            s->interlaced_dct=0;
1566
            progressive_score= s->dsp.ildct_cmp[4](s, ptr_y           , NULL, wrap_y, 8)
1567
                              +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1568
1569
            if(progressive_score > 0){
1570
                interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y           , NULL, wrap_y*2, 8)
1571
                                  +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y  , NULL, wrap_y*2, 8);
1572
                if(progressive_score > interlaced_score){
1573
                    s->interlaced_dct=1;
1574
1575
                    dct_offset= wrap_y;
1576
                    wrap_y<<=1;
1577
                    if (s->chroma_format == CHROMA_422)
1578
                        wrap_c<<=1;
1579
                }
1580
            }
1581
        }
1582
1583
        s->dsp.get_pixels(s->block[0], ptr_y                 , wrap_y);
1584
        s->dsp.get_pixels(s->block[1], ptr_y              + 8, wrap_y);
1585
        s->dsp.get_pixels(s->block[2], ptr_y + dct_offset    , wrap_y);
1586
        s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1587
1588
        if(s->flags&CODEC_FLAG_GRAY){
1589
            skip_dct[4]= 1;
1590
            skip_dct[5]= 1;
1591
        }else{
1592
            s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1593
            s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1594
            if(!s->chroma_y_shift){ /* 422 */
1595
                s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1596
                s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1597
            }
1598
        }
1599
    }else{
1600
        op_pixels_func (*op_pix)[4];
1601
        qpel_mc_func (*op_qpix)[16];
1602
        uint8_t *dest_y, *dest_cb, *dest_cr;
1603
1604
        dest_y  = s->dest[0];
1605
        dest_cb = s->dest[1];
1606
        dest_cr = s->dest[2];
1607
1608 ce5e49b0 Stefano Sabatini
        if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
1609 3ada94ba Benoit Fouet
            op_pix = s->dsp.put_pixels_tab;
1610
            op_qpix= s->dsp.put_qpel_pixels_tab;
1611
        }else{
1612
            op_pix = s->dsp.put_no_rnd_pixels_tab;
1613
            op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1614
        }
1615
1616
        if (s->mv_dir & MV_DIR_FORWARD) {
1617
            MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1618
            op_pix = s->dsp.avg_pixels_tab;
1619
            op_qpix= s->dsp.avg_qpel_pixels_tab;
1620
        }
1621
        if (s->mv_dir & MV_DIR_BACKWARD) {
1622
            MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1623
        }
1624
1625
        if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1626
            int progressive_score, interlaced_score;
1627
1628
            s->interlaced_dct=0;
1629
            progressive_score= s->dsp.ildct_cmp[0](s, dest_y           , ptr_y           , wrap_y, 8)
1630
                              +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1631
1632
            if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1633
1634
            if(progressive_score>0){
1635
                interlaced_score = s->dsp.ildct_cmp[0](s, dest_y           , ptr_y           , wrap_y*2, 8)
1636
                                  +s->dsp.ildct_cmp[0](s, dest_y + wrap_y  , ptr_y + wrap_y  , wrap_y*2, 8);
1637
1638
                if(progressive_score > interlaced_score){
1639
                    s->interlaced_dct=1;
1640
1641
                    dct_offset= wrap_y;
1642
                    wrap_y<<=1;
1643
                    if (s->chroma_format == CHROMA_422)
1644
                        wrap_c<<=1;
1645
                }
1646
            }
1647
        }
1648
1649
        s->dsp.diff_pixels(s->block[0], ptr_y                 , dest_y                 , wrap_y);
1650
        s->dsp.diff_pixels(s->block[1], ptr_y              + 8, dest_y              + 8, wrap_y);
1651
        s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset    , dest_y + dct_offset    , wrap_y);
1652
        s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1653
1654
        if(s->flags&CODEC_FLAG_GRAY){
1655
            skip_dct[4]= 1;
1656
            skip_dct[5]= 1;
1657
        }else{
1658
            s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1659
            s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1660
            if(!s->chroma_y_shift){ /* 422 */
1661
                s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1662
                s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1663
            }
1664
        }
1665
        /* pre quantization */
1666
        if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1667
            //FIXME optimize
1668
            if(s->dsp.sad[1](NULL, ptr_y               , dest_y               , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1669
            if(s->dsp.sad[1](NULL, ptr_y            + 8, dest_y            + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1670
            if(s->dsp.sad[1](NULL, ptr_y +dct_offset   , dest_y +dct_offset   , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1671
            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;
1672
            if(s->dsp.sad[1](NULL, ptr_cb              , dest_cb              , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1673
            if(s->dsp.sad[1](NULL, ptr_cr              , dest_cr              , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1674
            if(!s->chroma_y_shift){ /* 422 */
1675
                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;
1676
                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;
1677
            }
1678
        }
1679
    }
1680
1681
    if(s->avctx->quantizer_noise_shaping){
1682 f073a393 Diego Biurrun
        if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y                 , wrap_y);
1683
        if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y              + 8, wrap_y);
1684
        if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset    , wrap_y);
1685
        if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1686
        if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb                , wrap_c);
1687
        if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr                , wrap_c);
1688 3ada94ba Benoit Fouet
        if(!s->chroma_y_shift){ /* 422 */
1689 f073a393 Diego Biurrun
            if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1690
            if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1691 3ada94ba Benoit Fouet
        }
1692
        memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1693
    }
1694
1695
    /* DCT & quantize */
1696
    assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1697
    {
1698
        for(i=0;i<mb_block_count;i++) {
1699
            if(!skip_dct[i]){
1700
                int overflow;
1701
                s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1702
            // FIXME we could decide to change to quantizer instead of clipping
1703
            // JS: I don't think that would be a good idea it could lower quality instead
1704
            //     of improve it. Just INTRADC clipping deserves changes in quantizer
1705
                if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1706
            }else
1707
                s->block_last_index[i]= -1;
1708
        }
1709
        if(s->avctx->quantizer_noise_shaping){
1710
            for(i=0;i<mb_block_count;i++) {
1711
                if(!skip_dct[i]){
1712
                    s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1713
                }
1714
            }
1715
        }
1716
1717
        if(s->luma_elim_threshold && !s->mb_intra)
1718
            for(i=0; i<4; i++)
1719
                dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1720
        if(s->chroma_elim_threshold && !s->mb_intra)
1721
            for(i=4; i<mb_block_count; i++)
1722
                dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1723
1724
        if(s->flags & CODEC_FLAG_CBP_RD){
1725
            for(i=0;i<mb_block_count;i++) {
1726
                if(s->block_last_index[i] == -1)
1727
                    s->coded_score[i]= INT_MAX/256;
1728
            }
1729
        }
1730
    }
1731
1732
    if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1733
        s->block_last_index[4]=
1734
        s->block_last_index[5]= 0;
1735
        s->block[4][0]=
1736
        s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1737
    }
1738
1739
    //non c quantize code returns incorrect block_last_index FIXME
1740
    if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1741
        for(i=0; i<mb_block_count; i++){
1742
            int j;
1743
            if(s->block_last_index[i]>0){
1744
                for(j=63; j>0; j--){
1745
                    if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1746
                }
1747
                s->block_last_index[i]= j;
1748
            }
1749
        }
1750
    }
1751
1752
    /* huffman encode */
1753
    switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1754
    case CODEC_ID_MPEG1VIDEO:
1755
    case CODEC_ID_MPEG2VIDEO:
1756 49fb20cb Aurelien Jacobs
        if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
1757 56be950a Aurelien Jacobs
            mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1758
        break;
1759 3ada94ba Benoit Fouet
    case CODEC_ID_MPEG4:
1760 49fb20cb Aurelien Jacobs
        if (CONFIG_MPEG4_ENCODER)
1761 674eeb5f Aurelien Jacobs
            mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1762
        break;
1763 3ada94ba Benoit Fouet
    case CODEC_ID_MSMPEG4V2:
1764
    case CODEC_ID_MSMPEG4V3:
1765
    case CODEC_ID_WMV1:
1766 49fb20cb Aurelien Jacobs
        if (CONFIG_MSMPEG4_ENCODER)
1767 3ada94ba Benoit Fouet
            msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1768
        break;
1769
    case CODEC_ID_WMV2:
1770 49fb20cb Aurelien Jacobs
        if (CONFIG_WMV2_ENCODER)
1771 3ada94ba Benoit Fouet
            ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1772
        break;
1773
    case CODEC_ID_H261:
1774 49fb20cb Aurelien Jacobs
        if (CONFIG_H261_ENCODER)
1775 3ada94ba Benoit Fouet
            ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1776
        break;
1777
    case CODEC_ID_H263:
1778
    case CODEC_ID_H263P:
1779
    case CODEC_ID_FLV1:
1780
    case CODEC_ID_RV10:
1781
    case CODEC_ID_RV20:
1782 0bd48530 Diego Biurrun
        if (CONFIG_H263_ENCODER)
1783 674eeb5f Aurelien Jacobs
            h263_encode_mb(s, s->block, motion_x, motion_y);
1784
        break;
1785 3ada94ba Benoit Fouet
    case CODEC_ID_MJPEG:
1786 49fb20cb Aurelien Jacobs
        if (CONFIG_MJPEG_ENCODER)
1787 3ada94ba Benoit Fouet
            ff_mjpeg_encode_mb(s, s->block);
1788
        break;
1789
    default:
1790
        assert(0);
1791
    }
1792
}
1793
1794
static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1795
{
1796
    if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y,  8, 6);
1797
    else                                encode_mb_internal(s, motion_x, motion_y, 16, 8);
1798
}
1799
1800
static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1801
    int i;
1802
1803
    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1804
1805
    /* mpeg1 */
1806
    d->mb_skip_run= s->mb_skip_run;
1807
    for(i=0; i<3; i++)
1808
        d->last_dc[i]= s->last_dc[i];
1809
1810
    /* statistics */
1811
    d->mv_bits= s->mv_bits;
1812
    d->i_tex_bits= s->i_tex_bits;
1813
    d->p_tex_bits= s->p_tex_bits;
1814
    d->i_count= s->i_count;
1815
    d->f_count= s->f_count;
1816
    d->b_count= s->b_count;
1817
    d->skip_count= s->skip_count;
1818
    d->misc_bits= s->misc_bits;
1819
    d->last_bits= 0;
1820
1821
    d->mb_skipped= 0;
1822
    d->qscale= s->qscale;
1823
    d->dquant= s->dquant;
1824 9f175aa0 Michael Niedermayer
1825
    d->esc3_level_length= s->esc3_level_length;
1826 3ada94ba Benoit Fouet
}
1827
1828
static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1829
    int i;
1830
1831
    memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1832
    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1833
1834
    /* mpeg1 */
1835
    d->mb_skip_run= s->mb_skip_run;
1836
    for(i=0; i<3; i++)
1837
        d->last_dc[i]= s->last_dc[i];
1838
1839
    /* statistics */
1840
    d->mv_bits= s->mv_bits;
1841
    d->i_tex_bits= s->i_tex_bits;
1842
    d->p_tex_bits= s->p_tex_bits;
1843
    d->i_count= s->i_count;
1844
    d->f_count= s->f_count;
1845
    d->b_count= s->b_count;
1846
    d->skip_count= s->skip_count;
1847
    d->misc_bits= s->misc_bits;
1848
1849
    d->mb_intra= s->mb_intra;
1850
    d->mb_skipped= s->mb_skipped;
1851
    d->mv_type= s->mv_type;
1852
    d->mv_dir= s->mv_dir;
1853
    d->pb= s->pb;
1854
    if(s->data_partitioning){
1855
        d->pb2= s->pb2;
1856
        d->tex_pb= s->tex_pb;
1857
    }
1858
    d->block= s->block;
1859
    for(i=0; i<8; i++)
1860
        d->block_last_index[i]= s->block_last_index[i];
1861
    d->interlaced_dct= s->interlaced_dct;
1862
    d->qscale= s->qscale;
1863 9f175aa0 Michael Niedermayer
1864
    d->esc3_level_length= s->esc3_level_length;
1865 3ada94ba Benoit Fouet
}
1866
1867
static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1868
                           PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1869
                           int *dmin, int *next_block, int motion_x, int motion_y)
1870
{
1871
    int score;
1872
    uint8_t *dest_backup[3];
1873
1874
    copy_context_before_encode(s, backup, type);
1875
1876
    s->block= s->blocks[*next_block];
1877
    s->pb= pb[*next_block];
1878
    if(s->data_partitioning){
1879
        s->pb2   = pb2   [*next_block];
1880
        s->tex_pb= tex_pb[*next_block];
1881
    }
1882
1883
    if(*next_block){
1884
        memcpy(dest_backup, s->dest, sizeof(s->dest));
1885
        s->dest[0] = s->rd_scratchpad;
1886
        s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1887
        s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1888
        assert(s->linesize >= 32); //FIXME
1889
    }
1890
1891
    encode_mb(s, motion_x, motion_y);
1892
1893
    score= put_bits_count(&s->pb);
1894
    if(s->data_partitioning){
1895
        score+= put_bits_count(&s->pb2);
1896
        score+= put_bits_count(&s->tex_pb);
1897
    }
1898
1899
    if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1900
        MPV_decode_mb(s, s->block);
1901
1902
        score *= s->lambda2;
1903
        score += sse_mb(s) << FF_LAMBDA_SHIFT;
1904
    }
1905
1906
    if(*next_block){
1907
        memcpy(s->dest, dest_backup, sizeof(s->dest));
1908
    }
1909
1910
    if(score<*dmin){
1911
        *dmin= score;
1912
        *next_block^=1;
1913
1914
        copy_context_after_encode(best, s, type);
1915
    }
1916
}
1917
1918
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1919
    uint32_t *sq = ff_squareTbl + 256;
1920
    int acc=0;
1921
    int x,y;
1922
1923
    if(w==16 && h==16)
1924
        return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1925
    else if(w==8 && h==8)
1926
        return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1927
1928
    for(y=0; y<h; y++){
1929
        for(x=0; x<w; x++){
1930
            acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1931
        }
1932
    }
1933
1934
    assert(acc>=0);
1935
1936
    return acc;
1937
}
1938
1939
static int sse_mb(MpegEncContext *s){
1940
    int w= 16;
1941
    int h= 16;
1942
1943
    if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1944
    if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1945
1946
    if(w==16 && h==16)
1947
      if(s->avctx->mb_cmp == FF_CMP_NSSE){
1948
        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)
1949
               +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)
1950
               +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);
1951
      }else{
1952
        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)
1953
               +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)
1954
               +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);
1955
      }
1956
    else
1957
        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)
1958
               +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)
1959
               +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);
1960
}
1961
1962
static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1963 3a84713a Roman Shaposhnik
    MpegEncContext *s= *(void**)arg;
1964 3ada94ba Benoit Fouet
1965
1966
    s->me.pre_pass=1;
1967
    s->me.dia_size= s->avctx->pre_dia_size;
1968
    s->first_slice_line=1;
1969
    for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1970
        for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1971
            ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1972
        }
1973
        s->first_slice_line=0;
1974
    }
1975
1976
    s->me.pre_pass=0;
1977
1978
    return 0;
1979
}
1980
1981
static int estimate_motion_thread(AVCodecContext *c, void *arg){
1982 3a84713a Roman Shaposhnik
    MpegEncContext *s= *(void**)arg;
1983 3ada94ba Benoit Fouet
1984
    ff_check_alignment();
1985
1986
    s->me.dia_size= s->avctx->dia_size;
1987
    s->first_slice_line=1;
1988
    for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1989
        s->mb_x=0; //for block init below
1990
        ff_init_block_index(s);
1991
        for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1992
            s->block_index[0]+=2;
1993
            s->block_index[1]+=2;
1994
            s->block_index[2]+=2;
1995
            s->block_index[3]+=2;
1996
1997
            /* compute motion vector & mb_type and store in context */
1998 ce5e49b0 Stefano Sabatini
            if(s->pict_type==AV_PICTURE_TYPE_B)
1999 3ada94ba Benoit Fouet
                ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
2000
            else
2001
                ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
2002
        }
2003
        s->first_slice_line=0;
2004
    }
2005
    return 0;
2006
}
2007
2008
static int mb_var_thread(AVCodecContext *c, void *arg){
2009 3a84713a Roman Shaposhnik
    MpegEncContext *s= *(void**)arg;
2010 3ada94ba Benoit Fouet
    int mb_x, mb_y;
2011
2012
    ff_check_alignment();
2013
2014
    for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2015
        for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2016
            int xx = mb_x * 16;
2017
            int yy = mb_y * 16;
2018
            uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
2019
            int varc;
2020
            int sum = s->dsp.pix_sum(pix, s->linesize);
2021
2022
            varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
2023
2024
            s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
2025
            s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
2026
            s->me.mb_var_sum_temp    += varc;
2027
        }
2028
    }
2029
    return 0;
2030
}
2031
2032
static void write_slice_end(MpegEncContext *s){
2033 49fb20cb Aurelien Jacobs
    if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
2034 3ada94ba Benoit Fouet
        if(s->partitioned_frame){
2035
            ff_mpeg4_merge_partitions(s);
2036
        }
2037
2038
        ff_mpeg4_stuffing(&s->pb);
2039 49fb20cb Aurelien Jacobs
    }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
2040 3ada94ba Benoit Fouet
        ff_mjpeg_encode_stuffing(&s->pb);
2041
    }
2042
2043
    align_put_bits(&s->pb);
2044
    flush_put_bits(&s->pb);
2045
2046
    if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2047
        s->misc_bits+= get_bits_diff(s);
2048
}
2049
2050
static int encode_thread(AVCodecContext *c, void *arg){
2051 3a84713a Roman Shaposhnik
    MpegEncContext *s= *(void**)arg;
2052 3ada94ba Benoit Fouet
    int mb_x, mb_y, pdif = 0;
2053 ec7e2582 Baptiste Coudurier
    int chr_h= 16>>s->chroma_y_shift;
2054 3ada94ba Benoit Fouet
    int i, j;
2055
    MpegEncContext best_s, backup_s;
2056
    uint8_t bit_buf[2][MAX_MB_BYTES];
2057
    uint8_t bit_buf2[2][MAX_MB_BYTES];
2058
    uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2059
    PutBitContext pb[2], pb2[2], tex_pb[2];
2060
//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2061
2062
    ff_check_alignment();
2063
2064
    for(i=0; i<2; i++){
2065
        init_put_bits(&pb    [i], bit_buf    [i], MAX_MB_BYTES);
2066
        init_put_bits(&pb2   [i], bit_buf2   [i], MAX_MB_BYTES);
2067
        init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2068
    }
2069
2070
    s->last_bits= put_bits_count(&s->pb);
2071
    s->mv_bits=0;
2072
    s->misc_bits=0;
2073
    s->i_tex_bits=0;
2074
    s->p_tex_bits=0;
2075
    s->i_count=0;
2076
    s->f_count=0;
2077
    s->b_count=0;
2078
    s->skip_count=0;
2079
2080
    for(i=0; i<3; i++){
2081
        /* init last dc values */
2082
        /* note: quant matrix value (8) is implied here */
2083
        s->last_dc[i] = 128 << s->intra_dc_precision;
2084
2085
        s->current_picture.error[i] = 0;
2086
    }
2087
    s->mb_skip_run = 0;
2088
    memset(s->last_mv, 0, sizeof(s->last_mv));
2089
2090
    s->last_mv_dir = 0;
2091
2092
    switch(s->codec_id){
2093
    case CODEC_ID_H263:
2094
    case CODEC_ID_H263P:
2095
    case CODEC_ID_FLV1:
2096 0bd48530 Diego Biurrun
        if (CONFIG_H263_ENCODER)
2097 674eeb5f Aurelien Jacobs
            s->gob_index = ff_h263_get_gob_height(s);
2098 3ada94ba Benoit Fouet
        break;
2099
    case CODEC_ID_MPEG4:
2100 49fb20cb Aurelien Jacobs
        if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
2101 3ada94ba Benoit Fouet
            ff_mpeg4_init_partitions(s);
2102
        break;
2103
    }
2104
2105
    s->resync_mb_x=0;
2106
    s->resync_mb_y=0;
2107
    s->first_slice_line = 1;
2108
    s->ptr_lastgob = s->pb.buf;
2109
    for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2110
//    printf("row %d at %X\n", s->mb_y, (int)s);
2111
        s->mb_x=0;
2112
        s->mb_y= mb_y;
2113
2114
        ff_set_qscale(s, s->qscale);
2115
        ff_init_block_index(s);
2116
2117
        for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2118
            int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2119
            int mb_type= s->mb_type[xy];
2120
//            int d;
2121
            int dmin= INT_MAX;
2122
            int dir;
2123
2124
            if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2125
                av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2126
                return -1;
2127
            }
2128
            if(s->data_partitioning){
2129
                if(   s->pb2   .buf_end - s->pb2   .buf - (put_bits_count(&s->    pb2)>>3) < MAX_MB_BYTES
2130
                   || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2131
                    av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2132
                    return -1;
2133
                }
2134
            }
2135
2136
            s->mb_x = mb_x;
2137
            s->mb_y = mb_y;  // moved into loop, can get changed by H.261
2138
            ff_update_block_index(s);
2139
2140 49fb20cb Aurelien Jacobs
            if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2141 3ada94ba Benoit Fouet
                ff_h261_reorder_mb_index(s);
2142
                xy= s->mb_y*s->mb_stride + s->mb_x;
2143
                mb_type= s->mb_type[xy];
2144
            }
2145
2146
            /* write gob / video packet header  */
2147
            if(s->rtp_mode){
2148
                int current_packet_size, is_gob_start;
2149
2150
                current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2151
2152
                is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2153
2154
                if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2155
2156
                switch(s->codec_id){
2157
                case CODEC_ID_H263:
2158
                case CODEC_ID_H263P:
2159
                    if(!s->h263_slice_structured)
2160
                        if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2161
                    break;
2162
                case CODEC_ID_MPEG2VIDEO:
2163
                    if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2164
                case CODEC_ID_MPEG1VIDEO:
2165
                    if(s->mb_skip_run) is_gob_start=0;
2166
                    break;
2167
                }
2168
2169
                if(is_gob_start){
2170
                    if(s->start_mb_y != mb_y || mb_x!=0){
2171
                        write_slice_end(s);
2172
2173 49fb20cb Aurelien Jacobs
                        if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2174 3ada94ba Benoit Fouet
                            ff_mpeg4_init_partitions(s);
2175
                        }
2176
                    }
2177
2178
                    assert((put_bits_count(&s->pb)&7) == 0);
2179 fb53b4a0 Stefano Sabatini
                    current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
2180 3ada94ba Benoit Fouet
2181
                    if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2182
                        int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2183
                        int d= 100 / s->avctx->error_rate;
2184
                        if(r % d == 0){
2185
                            current_packet_size=0;
2186
#ifndef ALT_BITSTREAM_WRITER
2187
                            s->pb.buf_ptr= s->ptr_lastgob;
2188
#endif
2189 fb53b4a0 Stefano Sabatini
                            assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
2190 3ada94ba Benoit Fouet
                        }
2191
                    }
2192
2193
                    if (s->avctx->rtp_callback){
2194
                        int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2195
                        s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2196
                    }
2197
2198
                    switch(s->codec_id){
2199
                    case CODEC_ID_MPEG4:
2200 49fb20cb Aurelien Jacobs
                        if (CONFIG_MPEG4_ENCODER) {
2201 674eeb5f Aurelien Jacobs
                            ff_mpeg4_encode_video_packet_header(s);
2202
                            ff_mpeg4_clean_buffers(s);
2203 eb75a698 Aurelien Jacobs
                        }
2204 3ada94ba Benoit Fouet
                    break;
2205
                    case CODEC_ID_MPEG1VIDEO:
2206
                    case CODEC_ID_MPEG2VIDEO:
2207 49fb20cb Aurelien Jacobs
                        if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
2208 56be950a Aurelien Jacobs
                            ff_mpeg1_encode_slice_header(s);
2209
                            ff_mpeg1_clean_buffers(s);
2210 a6bc5731 Aurelien Jacobs
                        }
2211 3ada94ba Benoit Fouet
                    break;
2212
                    case CODEC_ID_H263:
2213
                    case CODEC_ID_H263P:
2214 965424da Diego Biurrun
                        if (CONFIG_H263_ENCODER)
2215 674eeb5f Aurelien Jacobs
                            h263_encode_gob_header(s, mb_y);
2216 3ada94ba Benoit Fouet
                    break;
2217
                    }
2218
2219
                    if(s->flags&CODEC_FLAG_PASS1){
2220
                        int bits= put_bits_count(&s->pb);
2221
                        s->misc_bits+= bits - s->last_bits;
2222
                        s->last_bits= bits;
2223
                    }
2224
2225
                    s->ptr_lastgob += current_packet_size;
2226
                    s->first_slice_line=1;
2227
                    s->resync_mb_x=mb_x;
2228
                    s->resync_mb_y=mb_y;
2229
                }
2230
            }
2231
2232
            if(  (s->resync_mb_x   == s->mb_x)
2233
               && s->resync_mb_y+1 == s->mb_y){
2234
                s->first_slice_line=0;
2235
            }
2236
2237
            s->mb_skipped=0;
2238
            s->dquant=0; //only for QP_RD
2239
2240
            if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2241
                int next_block=0;
2242
                int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2243
2244
                copy_context_before_encode(&backup_s, s, -1);
2245
                backup_s.pb= s->pb;
2246
                best_s.data_partitioning= s->data_partitioning;
2247
                best_s.partitioned_frame= s->partitioned_frame;
2248
                if(s->data_partitioning){
2249
                    backup_s.pb2= s->pb2;
2250
                    backup_s.tex_pb= s->tex_pb;
2251
                }
2252
2253
                if(mb_type&CANDIDATE_MB_TYPE_INTER){
2254
                    s->mv_dir = MV_DIR_FORWARD;
2255
                    s->mv_type = MV_TYPE_16X16;
2256
                    s->mb_intra= 0;
2257
                    s->mv[0][0][0] = s->p_mv_table[xy][0];
2258
                    s->mv[0][0][1] = s->p_mv_table[xy][1];
2259
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2260
                                 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2261
                }
2262
                if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2263
                    s->mv_dir = MV_DIR_FORWARD;
2264
                    s->mv_type = MV_TYPE_FIELD;
2265
                    s->mb_intra= 0;
2266
                    for(i=0; i<2; i++){
2267
                        j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2268
                        s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2269
                        s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2270
                    }
2271
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2272
                                 &dmin, &next_block, 0, 0);
2273
                }
2274
                if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2275
                    s->mv_dir = MV_DIR_FORWARD;
2276
                    s->mv_type = MV_TYPE_16X16;
2277
                    s->mb_intra= 0;
2278
                    s->mv[0][0][0] = 0;
2279
                    s->mv[0][0][1] = 0;
2280
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2281
                                 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2282
                }
2283
                if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2284
                    s->mv_dir = MV_DIR_FORWARD;
2285
                    s->mv_type = MV_TYPE_8X8;
2286
                    s->mb_intra= 0;
2287
                    for(i=0; i<4; i++){
2288
                        s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2289
                        s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2290
                    }
2291
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2292
                                 &dmin, &next_block, 0, 0);
2293
                }
2294
                if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2295
                    s->mv_dir = MV_DIR_FORWARD;
2296
                    s->mv_type = MV_TYPE_16X16;
2297
                    s->mb_intra= 0;
2298
                    s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2299
                    s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2300
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2301
                                 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2302
                }
2303
                if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2304
                    s->mv_dir = MV_DIR_BACKWARD;
2305
                    s->mv_type = MV_TYPE_16X16;
2306
                    s->mb_intra= 0;
2307
                    s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2308
                    s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2309
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2310
                                 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2311
                }
2312
                if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2313
                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2314
                    s->mv_type = MV_TYPE_16X16;
2315
                    s->mb_intra= 0;
2316
                    s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2317
                    s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2318
                    s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2319
                    s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2320
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2321
                                 &dmin, &next_block, 0, 0);
2322
                }
2323
                if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2324
                    s->mv_dir = MV_DIR_FORWARD;
2325
                    s->mv_type = MV_TYPE_FIELD;
2326
                    s->mb_intra= 0;
2327
                    for(i=0; i<2; i++){
2328
                        j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2329
                        s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2330
                        s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2331
                    }
2332
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2333
                                 &dmin, &next_block, 0, 0);
2334
                }
2335
                if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2336
                    s->mv_dir = MV_DIR_BACKWARD;
2337
                    s->mv_type = MV_TYPE_FIELD;
2338
                    s->mb_intra= 0;
2339
                    for(i=0; i<2; i++){
2340
                        j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2341
                        s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2342
                        s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2343
                    }
2344
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2345
                                 &dmin, &next_block, 0, 0);
2346
                }
2347
                if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2348
                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2349
                    s->mv_type = MV_TYPE_FIELD;
2350
                    s->mb_intra= 0;
2351
                    for(dir=0; dir<2; dir++){
2352
                        for(i=0; i<2; i++){
2353
                            j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2354
                            s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2355
                            s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2356
                        }
2357
                    }
2358
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2359
                                 &dmin, &next_block, 0, 0);
2360
                }
2361
                if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2362
                    s->mv_dir = 0;
2363
                    s->mv_type = MV_TYPE_16X16;
2364
                    s->mb_intra= 1;
2365
                    s->mv[0][0][0] = 0;
2366
                    s->mv[0][0][1] = 0;
2367
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2368
                                 &dmin, &next_block, 0, 0);
2369
                    if(s->h263_pred || s->h263_aic){
2370
                        if(best_s.mb_intra)
2371
                            s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2372
                        else
2373
                            ff_clean_intra_table_entries(s); //old mode?
2374
                    }
2375
                }
2376
2377
                if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2378
                    if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2379
                        const int last_qp= backup_s.qscale;
2380
                        int qpi, qp, dc[6];
2381
                        DCTELEM ac[6][16];
2382
                        const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2383
                        static const int dquant_tab[4]={-1,1,-2,2};
2384
2385
                        assert(backup_s.dquant == 0);
2386
2387
                        //FIXME intra
2388
                        s->mv_dir= best_s.mv_dir;
2389
                        s->mv_type = MV_TYPE_16X16;
2390
                        s->mb_intra= best_s.mb_intra;
2391
                        s->mv[0][0][0] = best_s.mv[0][0][0];
2392
                        s->mv[0][0][1] = best_s.mv[0][0][1];
2393
                        s->mv[1][0][0] = best_s.mv[1][0][0];
2394
                        s->mv[1][0][1] = best_s.mv[1][0][1];
2395
2396 ce5e49b0 Stefano Sabatini
                        qpi = s->pict_type == AV_PICTURE_TYPE_B ? 2 : 0;
2397 3ada94ba Benoit Fouet
                        for(; qpi<4; qpi++){
2398
                            int dquant= dquant_tab[qpi];
2399
                            qp= last_qp + dquant;
2400
                            if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2401
                                continue;
2402
                            backup_s.dquant= dquant;
2403
                            if(s->mb_intra && s->dc_val[0]){
2404
                                for(i=0; i<6; i++){
2405
                                    dc[i]= s->dc_val[0][ s->block_index[i] ];
2406
                                    memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2407
                                }
2408
                            }
2409
2410
                            encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2411
                                         &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2412
                            if(best_s.qscale != qp){
2413
                                if(s->mb_intra && s->dc_val[0]){
2414
                                    for(i=0; i<6; i++){
2415
                                        s->dc_val[0][ s->block_index[i] ]= dc[i];
2416
                                        memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2417
                                    }
2418
                                }
2419
                            }
2420
                        }
2421
                    }
2422
                }
2423 49fb20cb Aurelien Jacobs
                if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
2424 3ada94ba Benoit Fouet
                    int mx= s->b_direct_mv_table[xy][0];
2425
                    int my= s->b_direct_mv_table[xy][1];
2426
2427
                    backup_s.dquant = 0;
2428
                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2429
                    s->mb_intra= 0;
2430
                    ff_mpeg4_set_direct_mv(s, mx, my);
2431
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2432
                                 &dmin, &next_block, mx, my);
2433
                }
2434 49fb20cb Aurelien Jacobs
                if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2435 3ada94ba Benoit Fouet
                    backup_s.dquant = 0;
2436
                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2437
                    s->mb_intra= 0;
2438
                    ff_mpeg4_set_direct_mv(s, 0, 0);
2439
                    encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2440
                                 &dmin, &next_block, 0, 0);
2441
                }
2442
                if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2443
                    int coded=0;
2444
                    for(i=0; i<6; i++)
2445
                        coded |= s->block_last_index[i];
2446
                    if(coded){
2447
                        int mx,my;
2448
                        memcpy(s->mv, best_s.mv, sizeof(s->mv));
2449 49fb20cb Aurelien Jacobs
                        if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
2450 3ada94ba Benoit Fouet
                            mx=my=0; //FIXME find the one we actually used
2451
                            ff_mpeg4_set_direct_mv(s, mx, my);
2452
                        }else if(best_s.mv_dir&MV_DIR_BACKWARD){
2453
                            mx= s->mv[1][0][0];
2454
                            my= s->mv[1][0][1];
2455
                        }else{
2456
                            mx= s->mv[0][0][0];
2457
                            my= s->mv[0][0][1];
2458
                        }
2459
2460
                        s->mv_dir= best_s.mv_dir;
2461
                        s->mv_type = best_s.mv_type;
2462
                        s->mb_intra= 0;
2463
/*                        s->mv[0][0][0] = best_s.mv[0][0][0];
2464
                        s->mv[0][0][1] = best_s.mv[0][0][1];
2465
                        s->mv[1][0][0] = best_s.mv[1][0][0];
2466
                        s->mv[1][0][1] = best_s.mv[1][0][1];*/
2467
                        backup_s.dquant= 0;
2468
                        s->skipdct=1;
2469
                        encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2470
                                        &dmin, &next_block, mx, my);
2471
                        s->skipdct=0;
2472
                    }
2473
                }
2474
2475
                s->current_picture.qscale_table[xy]= best_s.qscale;
2476
2477
                copy_context_after_encode(s, &best_s, -1);
2478
2479
                pb_bits_count= put_bits_count(&s->pb);
2480
                flush_put_bits(&s->pb);
2481
                ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2482
                s->pb= backup_s.pb;
2483
2484
                if(s->data_partitioning){
2485
                    pb2_bits_count= put_bits_count(&s->pb2);
2486
                    flush_put_bits(&s->pb2);
2487
                    ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2488
                    s->pb2= backup_s.pb2;
2489
2490
                    tex_pb_bits_count= put_bits_count(&s->tex_pb);
2491
                    flush_put_bits(&s->tex_pb);
2492
                    ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2493
                    s->tex_pb= backup_s.tex_pb;
2494
                }
2495
                s->last_bits= put_bits_count(&s->pb);
2496
2497 f34121f3 Diego Biurrun
                if (CONFIG_H263_ENCODER &&
2498 ce5e49b0 Stefano Sabatini
                    s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
2499 3ada94ba Benoit Fouet
                    ff_h263_update_motion_val(s);
2500
2501
                if(next_block==0){ //FIXME 16 vs linesize16
2502
                    s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad                     , s->linesize  ,16);
2503
                    s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize    , s->uvlinesize, 8);
2504
                    s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2505
                }
2506
2507
                if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2508
                    MPV_decode_mb(s, s->block);
2509
            } else {
2510
                int motion_x = 0, motion_y = 0;
2511
                s->mv_type=MV_TYPE_16X16;
2512
                // only one MB-Type possible
2513
2514
                switch(mb_type){
2515
                case CANDIDATE_MB_TYPE_INTRA:
2516
                    s->mv_dir = 0;
2517
                    s->mb_intra= 1;
2518
                    motion_x= s->mv[0][0][0] = 0;
2519
                    motion_y= s->mv[0][0][1] = 0;
2520
                    break;
2521
                case CANDIDATE_MB_TYPE_INTER:
2522
                    s->mv_dir = MV_DIR_FORWARD;
2523
                    s->mb_intra= 0;
2524
                    motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2525
                    motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2526
                    break;
2527
                case CANDIDATE_MB_TYPE_INTER_I:
2528
                    s->mv_dir = MV_DIR_FORWARD;
2529
                    s->mv_type = MV_TYPE_FIELD;
2530
                    s->mb_intra= 0;
2531
                    for(i=0; i<2; i++){
2532
                        j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2533
                        s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2534
                        s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2535
                    }
2536
                    break;
2537
                case CANDIDATE_MB_TYPE_INTER4V:
2538
                    s->mv_dir = MV_DIR_FORWARD;
2539
                    s->mv_type = MV_TYPE_8X8;
2540
                    s->mb_intra= 0;
2541
                    for(i=0; i<4; i++){
2542
                        s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2543
                        s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2544
                    }
2545
                    break;
2546
                case CANDIDATE_MB_TYPE_DIRECT:
2547 49fb20cb Aurelien Jacobs
                    if (CONFIG_MPEG4_ENCODER) {
2548 674eeb5f Aurelien Jacobs
                        s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2549
                        s->mb_intra= 0;
2550
                        motion_x=s->b_direct_mv_table[xy][0];
2551
                        motion_y=s->b_direct_mv_table[xy][1];
2552
                        ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2553 eb75a698 Aurelien Jacobs
                    }
2554 3ada94ba Benoit Fouet
                    break;
2555
                case CANDIDATE_MB_TYPE_DIRECT0:
2556 49fb20cb Aurelien Jacobs
                    if (CONFIG_MPEG4_ENCODER) {
2557 674eeb5f Aurelien Jacobs
                        s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2558
                        s->mb_intra= 0;
2559
                        ff_mpeg4_set_direct_mv(s, 0, 0);
2560 eb75a698 Aurelien Jacobs
                    }
2561 3ada94ba Benoit Fouet
                    break;
2562
                case CANDIDATE_MB_TYPE_BIDIR:
2563
                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2564
                    s->mb_intra= 0;
2565
                    s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2566
                    s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2567
                    s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2568
                    s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2569
                    break;
2570
                case CANDIDATE_MB_TYPE_BACKWARD:
2571
                    s->mv_dir = MV_DIR_BACKWARD;
2572
                    s->mb_intra= 0;
2573
                    motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2574
                    motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2575
                    break;
2576
                case CANDIDATE_MB_TYPE_FORWARD:
2577
                    s->mv_dir = MV_DIR_FORWARD;
2578
                    s->mb_intra= 0;
2579
                    motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2580
                    motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2581
//                    printf(" %d %d ", motion_x, motion_y);
2582
                    break;
2583
                case CANDIDATE_MB_TYPE_FORWARD_I:
2584
                    s->mv_dir = MV_DIR_FORWARD;
2585
                    s->mv_type = MV_TYPE_FIELD;
2586
                    s->mb_intra= 0;
2587
                    for(i=0; i<2; i++){
2588
                        j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2589
                        s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2590
                        s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2591
                    }
2592
                    break;
2593
                case CANDIDATE_MB_TYPE_BACKWARD_I:
2594
                    s->mv_dir = MV_DIR_BACKWARD;
2595
                    s->mv_type = MV_TYPE_FIELD;
2596
                    s->mb_intra= 0;
2597
                    for(i=0; i<2; i++){
2598
                        j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2599
                        s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2600
                        s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2601
                    }
2602
                    break;
2603
                case CANDIDATE_MB_TYPE_BIDIR_I:
2604
                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2605
                    s->mv_type = MV_TYPE_FIELD;
2606
                    s->mb_intra= 0;
2607
                    for(dir=0; dir<2; dir++){
2608
                        for(i=0; i<2; i++){
2609
                            j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2610
                            s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2611
                            s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2612
                        }
2613
                    }
2614
                    break;
2615
                default:
2616
                    av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2617
                }
2618
2619
                encode_mb(s, motion_x, motion_y);
2620
2621
                // RAL: Update last macroblock type
2622
                s->last_mv_dir = s->mv_dir;
2623
2624 f34121f3 Diego Biurrun
                if (CONFIG_H263_ENCODER &&
2625 ce5e49b0 Stefano Sabatini
                    s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
2626 3ada94ba Benoit Fouet
                    ff_h263_update_motion_val(s);
2627
2628
                MPV_decode_mb(s, s->block);
2629
            }
2630
2631
            /* clean the MV table in IPS frames for direct mode in B frames */
2632
            if(s->mb_intra /* && I,P,S_TYPE */){
2633
                s->p_mv_table[xy][0]=0;
2634
                s->p_mv_table[xy][1]=0;
2635
            }
2636
2637
            if(s->flags&CODEC_FLAG_PSNR){
2638
                int w= 16;
2639
                int h= 16;
2640
2641
                if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2642
                if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2643
2644
                s->current_picture.error[0] += sse(
2645
                    s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2646
                    s->dest[0], w, h, s->linesize);
2647
                s->current_picture.error[1] += sse(
2648 ec7e2582 Baptiste Coudurier
                    s, s->new_picture.data[1] + s->mb_x*8  + s->mb_y*s->uvlinesize*chr_h,
2649
                    s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2650 3ada94ba Benoit Fouet
                s->current_picture.error[2] += sse(
2651 ec7e2582 Baptiste Coudurier
                    s, s->new_picture.data[2] + s->mb_x*8  + s->mb_y*s->uvlinesize*chr_h,
2652
                    s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
2653 3ada94ba Benoit Fouet
            }
2654
            if(s->loop_filter){
2655 f34121f3 Diego Biurrun
                if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
2656 3ada94ba Benoit Fouet
                    ff_h263_loop_filter(s);
2657
            }
2658
//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2659
        }
2660
    }
2661
2662
    //not beautiful here but we must write it before flushing so it has to be here
2663 ce5e49b0 Stefano Sabatini
    if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == AV_PICTURE_TYPE_I)
2664 3ada94ba Benoit Fouet
        msmpeg4_encode_ext_header(s);
2665
2666
    write_slice_end(s);
2667
2668
    /* Send the last GOB if RTP */
2669
    if (s->avctx->rtp_callback) {
2670
        int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2671 fb53b4a0 Stefano Sabatini
        pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
2672 3ada94ba Benoit Fouet
        /* Call the RTP callback to send the last GOB */
2673
        emms_c();
2674
        s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2675
    }
2676
2677
    return 0;
2678
}
2679
2680
#define MERGE(field) dst->field += src->field; src->field=0
2681
static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2682
    MERGE(me.scene_change_score);
2683
    MERGE(me.mc_mb_var_sum_temp);
2684
    MERGE(me.mb_var_sum_temp);
2685
}
2686
2687
static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2688
    int i;
2689
2690
    MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2691
    MERGE(dct_count[1]);
2692
    MERGE(mv_bits);
2693
    MERGE(i_tex_bits);
2694
    MERGE(p_tex_bits);
2695
    MERGE(i_count);
2696
    MERGE(f_count);
2697
    MERGE(b_count);
2698
    MERGE(skip_count);
2699
    MERGE(misc_bits);
2700
    MERGE(error_count);
2701
    MERGE(padding_bug_score);
2702
    MERGE(current_picture.error[0]);
2703
    MERGE(current_picture.error[1]);
2704
    MERGE(current_picture.error[2]);
2705
2706
    if(dst->avctx->noise_reduction){
2707
        for(i=0; i<64; i++){
2708
            MERGE(dct_error_sum[0][i]);
2709
            MERGE(dct_error_sum[1][i]);
2710
        }
2711
    }
2712
2713
    assert(put_bits_count(&src->pb) % 8 ==0);
2714
    assert(put_bits_count(&dst->pb) % 8 ==0);
2715
    ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2716
    flush_put_bits(&dst->pb);
2717
}
2718
2719
static int estimate_qp(MpegEncContext *s, int dry_run){
2720
    if (s->next_lambda){
2721
        s->current_picture_ptr->quality=
2722
        s->current_picture.quality = s->next_lambda;
2723
        if(!dry_run) s->next_lambda= 0;
2724
    } else if (!s->fixed_qscale) {
2725
        s->current_picture_ptr->quality=
2726
        s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2727
        if (s->current_picture.quality < 0)
2728
            return -1;
2729
    }
2730
2731
    if(s->adaptive_quant){
2732
        switch(s->codec_id){
2733
        case CODEC_ID_MPEG4:
2734 49fb20cb Aurelien Jacobs
            if (CONFIG_MPEG4_ENCODER)
2735 674eeb5f Aurelien Jacobs
                ff_clean_mpeg4_qscales(s);
2736 3ada94ba Benoit Fouet
            break;
2737
        case CODEC_ID_H263:
2738
        case CODEC_ID_H263P:
2739
        case CODEC_ID_FLV1:
2740 0bd48530 Diego Biurrun
            if (CONFIG_H263_ENCODER)
2741 674eeb5f Aurelien Jacobs
                ff_clean_h263_qscales(s);
2742 3ada94ba Benoit Fouet
            break;
2743 ccc4b918 Michael Niedermayer
        default:
2744
            ff_init_qscale_tab(s);
2745 3ada94ba Benoit Fouet
        }
2746
2747
        s->lambda= s->lambda_table[0];
2748
        //FIXME broken
2749
    }else
2750
        s->lambda= s->current_picture.quality;
2751
//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2752
    update_qscale(s);
2753
    return 0;
2754
}
2755
2756 7da31a80 Aurelien Jacobs
/* must be called before writing the header */
2757
static void set_frame_distances(MpegEncContext * s){
2758
    assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2759
    s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2760
2761 ce5e49b0 Stefano Sabatini
    if(s->pict_type==AV_PICTURE_TYPE_B){
2762 7da31a80 Aurelien Jacobs
        s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2763
        assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2764
    }else{
2765
        s->pp_time= s->time - s->last_non_b_time;
2766
        s->last_non_b_time= s->time;
2767
        assert(s->picture_number==0 || s->pp_time > 0);
2768
    }
2769
}
2770
2771 3ada94ba Benoit Fouet
static int encode_picture(MpegEncContext *s, int picture_number)
2772
{
2773
    int i;
2774
    int bits;
2775 d375c104 Michael Niedermayer
    int context_count = s->avctx->active_thread_type&FF_THREAD_SLICE ? s->avctx->thread_count : 1;
2776 3ada94ba Benoit Fouet
2777
    s->picture_number = picture_number;
2778
2779
    /* Reset the average MB variance */
2780
    s->me.mb_var_sum_temp    =
2781
    s->me.mc_mb_var_sum_temp = 0;
2782
2783
    /* we need to initialize some time vars before we can encode b-frames */
2784
    // RAL: Condition added for MPEG1VIDEO
2785
    if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
2786 7da31a80 Aurelien Jacobs
        set_frame_distances(s);
2787 49fb20cb Aurelien Jacobs
    if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
2788 7da31a80 Aurelien Jacobs
        ff_set_mpeg4_time(s);
2789 3ada94ba Benoit Fouet
2790
    s->me.scene_change_score=0;
2791
2792 e6dba5df Ramiro Polla
//    s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
2793 3ada94ba Benoit Fouet
2794 ce5e49b0 Stefano Sabatini
    if(s->pict_type==AV_PICTURE_TYPE_I){
2795 3ada94ba Benoit Fouet
        if(s->msmpeg4_version >= 3) s->no_rounding=1;
2796
        else                        s->no_rounding=0;
2797 ce5e49b0 Stefano Sabatini
    }else if(s->pict_type!=AV_PICTURE_TYPE_B){
2798 3ada94ba Benoit Fouet
        if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2799
            s->no_rounding ^= 1;
2800
    }
2801
2802
    if(s->flags & CODEC_FLAG_PASS2){
2803
        if (estimate_qp(s,1) < 0)
2804
            return -1;
2805
        ff_get_2pass_fcode(s);
2806
    }else if(!(s->flags & CODEC_FLAG_QSCALE)){
2807 ce5e49b0 Stefano Sabatini
        if(s->pict_type==AV_PICTURE_TYPE_B)
2808 3ada94ba Benoit Fouet
            s->lambda= s->last_lambda_for[s->pict_type];
2809
        else
2810
            s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2811
        update_qscale(s);
2812
    }
2813
2814
    s->mb_intra=0; //for the rate distortion & bit compare functions
2815 d375c104 Michael Niedermayer
    for(i=1; i<context_count; i++){
2816 3ada94ba Benoit Fouet
        ff_update_duplicate_context(s->thread_context[i], s);
2817
    }
2818
2819 719f3702 Michael Niedermayer
    if(ff_init_me(s)<0)
2820
        return -1;
2821 3ada94ba Benoit Fouet
2822
    /* Estimate motion for every MB */
2823 ce5e49b0 Stefano Sabatini
    if(s->pict_type != AV_PICTURE_TYPE_I){
2824 3ada94ba Benoit Fouet
        s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2825
        s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
2826 ce5e49b0 Stefano Sabatini
        if(s->pict_type != AV_PICTURE_TYPE_B && s->avctx->me_threshold==0){
2827
            if((s->avctx->pre_me && s->last_non_b_pict_type==AV_PICTURE_TYPE_I) || s->avctx->pre_me==2){
2828 d375c104 Michael Niedermayer
                s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
2829 3ada94ba Benoit Fouet
            }
2830
        }
2831
2832 d375c104 Michael Niedermayer
        s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
2833 ce5e49b0 Stefano Sabatini
    }else /* if(s->pict_type == AV_PICTURE_TYPE_I) */{
2834 3ada94ba Benoit Fouet
        /* I-Frame */
2835
        for(i=0; i<s->mb_stride*s->mb_height; i++)
2836
            s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2837
2838
        if(!s->fixed_qscale){
2839
            /* finding spatial complexity for I-frame rate control */
2840 d375c104 Michael Niedermayer
            s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
2841 3ada94ba Benoit Fouet
        }
2842
    }
2843 d375c104 Michael Niedermayer
    for(i=1; i<context_count; i++){
2844 3ada94ba Benoit Fouet
        merge_context_after_me(s, s->thread_context[i]);
2845
    }
2846
    s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2847
    s->current_picture.   mb_var_sum= s->current_picture_ptr->   mb_var_sum= s->me.   mb_var_sum_temp;
2848
    emms_c();
2849
2850 ce5e49b0 Stefano Sabatini
    if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == AV_PICTURE_TYPE_P){
2851
        s->pict_type= AV_PICTURE_TYPE_I;
2852 3ada94ba Benoit Fouet
        for(i=0; i<s->mb_stride*s->mb_height; i++)
2853
            s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2854
//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2855
    }
2856
2857
    if(!s->umvplus){
2858 ce5e49b0 Stefano Sabatini
        if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
2859 3ada94ba Benoit Fouet
            s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2860
2861
            if(s->flags & CODEC_FLAG_INTERLACED_ME){
2862
                int a,b;
2863
                a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2864
                b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
2865 159ef4b0 Vladimir Voroshilov
                s->f_code= FFMAX3(s->f_code, a, b);
2866 3ada94ba Benoit Fouet
            }
2867
2868
            ff_fix_long_p_mvs(s);
2869
            ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2870
            if(s->flags & CODEC_FLAG_INTERLACED_ME){
2871
                int j;
2872
                for(i=0; i<2; i++){
2873
                    for(j=0; j<2; j++)
2874
                        ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2875
                                        s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2876
                }
2877
            }
2878
        }
2879
2880 ce5e49b0 Stefano Sabatini
        if(s->pict_type==AV_PICTURE_TYPE_B){
2881 3ada94ba Benoit Fouet
            int a, b;
2882
2883
            a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2884
            b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2885
            s->f_code = FFMAX(a, b);
2886
2887
            a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2888
            b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2889
            s->b_code = FFMAX(a, b);
2890
2891
            ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2892
            ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2893
            ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2894
            ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2895
            if(s->flags & CODEC_FLAG_INTERLACED_ME){
2896
                int dir, j;
2897
                for(dir=0; dir<2; dir++){
2898
                    for(i=0; i<2; i++){
2899
                        for(j=0; j<2; j++){
2900
                            int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2901
                                          : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2902
                            ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2903
                                            s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2904
                        }
2905
                    }
2906
                }
2907
            }
2908
        }
2909
    }
2910
2911
    if (estimate_qp(s, 0) < 0)
2912
        return -1;
2913
2914 ce5e49b0 Stefano Sabatini
    if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==AV_PICTURE_TYPE_I && !(s->flags & CODEC_FLAG_QSCALE))
2915 3ada94ba Benoit Fouet
        s->qscale= 3; //reduce clipping problems
2916
2917
    if (s->out_format == FMT_MJPEG) {
2918
        /* for mjpeg, we do include qscale in the matrix */
2919
        for(i=1;i<64;i++){
2920
            int j= s->dsp.idct_permutation[i];
2921
2922
            s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2923
        }
2924 6506c3d2 Michael Niedermayer
        s->y_dc_scale_table=
2925 53f66cee Michael Niedermayer
        s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
2926
        s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8];
2927 69cea75f Baptiste Coudurier
        ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
2928 3ada94ba Benoit Fouet
                       s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2929
        s->qscale= 8;
2930
    }
2931
2932
    //FIXME var duplication
2933
    s->current_picture_ptr->key_frame=
2934 ce5e49b0 Stefano Sabatini
    s->current_picture.key_frame= s->pict_type == AV_PICTURE_TYPE_I; //FIXME pic_ptr
2935 3ada94ba Benoit Fouet
    s->current_picture_ptr->pict_type=
2936
    s->current_picture.pict_type= s->pict_type;
2937
2938
    if(s->current_picture.key_frame)
2939
        s->picture_in_gop_number=0;
2940
2941
    s->last_bits= put_bits_count(&s->pb);
2942
    switch(s->out_format) {
2943
    case FMT_MJPEG:
2944 49fb20cb Aurelien Jacobs
        if (CONFIG_MJPEG_ENCODER)
2945 3ada94ba Benoit Fouet
            ff_mjpeg_encode_picture_header(s);
2946
        break;
2947
    case FMT_H261:
2948 49fb20cb Aurelien Jacobs
        if (CONFIG_H261_ENCODER)
2949 3ada94ba Benoit Fouet
            ff_h261_encode_picture_header(s, picture_number);
2950
        break;
2951
    case FMT_H263:
2952 49fb20cb Aurelien Jacobs
        if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
2953 3ada94ba Benoit Fouet
            ff_wmv2_encode_picture_header(s, picture_number);
2954 49fb20cb Aurelien Jacobs
        else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4)
2955 3ada94ba Benoit Fouet
            msmpeg4_encode_picture_header(s, picture_number);
2956 49fb20cb Aurelien Jacobs
        else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
2957 3ada94ba Benoit Fouet
            mpeg4_encode_picture_header(s, picture_number);
2958 49fb20cb Aurelien Jacobs
        else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
2959 3ada94ba Benoit Fouet
            rv10_encode_picture_header(s, picture_number);
2960 49fb20cb Aurelien Jacobs
        else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
2961 3ada94ba Benoit Fouet
            rv20_encode_picture_header(s, picture_number);
2962 49fb20cb Aurelien Jacobs
        else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
2963 3ada94ba Benoit Fouet
            ff_flv_encode_picture_header(s, picture_number);
2964 f34121f3 Diego Biurrun
        else if (CONFIG_H263_ENCODER)
2965 3ada94ba Benoit Fouet
            h263_encode_picture_header(s, picture_number);
2966
        break;
2967
    case FMT_MPEG1:
2968 49fb20cb Aurelien Jacobs
        if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
2969 56be950a Aurelien Jacobs
            mpeg1_encode_picture_header(s, picture_number);
2970 3ada94ba Benoit Fouet
        break;
2971
    case FMT_H264:
2972
        break;
2973
    default:
2974
        assert(0);
2975
    }
2976
    bits= put_bits_count(&s->pb);
2977
    s->header_bits= bits - s->last_bits;
2978
2979 d375c104 Michael Niedermayer
    for(i=1; i<context_count; i++){
2980 3ada94ba Benoit Fouet
        update_duplicate_context_after_me(s->thread_context[i], s);
2981
    }
2982 d375c104 Michael Niedermayer
    s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
2983
    for(i=1; i<context_count; i++){
2984 3ada94ba Benoit Fouet
        merge_context_after_encode(s, s->thread_context[i]);
2985
    }
2986
    emms_c();
2987
    return 0;
2988
}
2989
2990 e1643111 Mans Rullgard
static void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2991 3ada94ba Benoit Fouet
    const int intra= s->mb_intra;
2992
    int i;
2993
2994
    s->dct_count[intra]++;
2995
2996
    for(i=0; i<64; i++){
2997
        int level= block[i];
2998
2999
        if(level){
3000
            if(level>0){
3001
                s->dct_error_sum[intra][i] += level;
3002
                level -= s->dct_offset[intra][i];
3003
                if(level<0) level=0;
3004
            }else{
3005
                s->dct_error_sum[intra][i] -= level;
3006
                level += s->dct_offset[intra][i];
3007
                if(level>0) level=0;
3008
            }
3009
            block[i]= level;
3010
        }
3011
    }
3012
}
3013
3014 e1643111 Mans Rullgard
static int dct_quantize_trellis_c(MpegEncContext *s,
3015
                                  DCTELEM *block, int n,
3016
                                  int qscale, int *overflow){
3017 3ada94ba Benoit Fouet
    const int *qmat;
3018
    const uint8_t *scantable= s->intra_scantable.scantable;
3019
    const uint8_t *perm_scantable= s->intra_scantable.permutated;
3020
    int max=0;
3021
    unsigned int threshold1, threshold2;
3022
    int bias=0;
3023
    int run_tab[65];
3024
    int level_tab[65];
3025
    int score_tab[65];
3026
    int survivor[65];
3027
    int survivor_count;
3028
    int last_run=0;
3029
    int last_level=0;
3030
    int last_score= 0;
3031
    int last_i;
3032
    int coeff[2][64];
3033
    int coeff_count[64];
3034
    int qmul, qadd, start_i, last_non_zero, i, dc;
3035
    const int esc_length= s->ac_esc_length;
3036
    uint8_t * length;
3037
    uint8_t * last_length;
3038
    const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
3039
3040
    s->dsp.fdct (block);
3041
3042
    if(s->dct_error_sum)
3043
        s->denoise_dct(s, block);
3044
    qmul= qscale*16;
3045
    qadd= ((qscale-1)|1)*8;
3046
3047
    if (s->mb_intra) {
3048
        int q;
3049
        if (!s->h263_aic) {
3050
            if (n < 4)
3051
                q = s->y_dc_scale;
3052
            else
3053
                q = s->c_dc_scale;
3054
            q = q << 3;
3055
        } else{
3056
            /* For AIC we skip quant/dequant of INTRADC */
3057
            q = 1 << 3;
3058
            qadd=0;
3059
        }
3060
3061
        /* note: block[0] is assumed to be positive */
3062
        block[0] = (block[0] + (q >> 1)) / q;
3063
        start_i = 1;
3064
        last_non_zero = 0;
3065
        qmat = s->q_intra_matrix[qscale];
3066
        if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3067
            bias= 1<<(QMAT_SHIFT-1);
3068
        length     = s->intra_ac_vlc_length;
3069
        last_length= s->intra_ac_vlc_last_length;
3070
    } else {
3071
        start_i = 0;
3072
        last_non_zero = -1;
3073
        qmat = s->q_inter_matrix[qscale];
3074
        length     = s->inter_ac_vlc_length;
3075
        last_length= s->inter_ac_vlc_last_length;
3076
    }
3077
    last_i= start_i;
3078
3079
    threshold1= (1<<QMAT_SHIFT) - bias - 1;
3080
    threshold2= (threshold1<<1);
3081
3082
    for(i=63; i>=start_i; i--) {
3083
        const int j = scantable[i];
3084
        int level = block[j] * qmat[j];
3085
3086
        if(((unsigned)(level+threshold1))>threshold2){
3087
            last_non_zero = i;
3088
            break;
3089
        }
3090
    }
3091
3092