2
* The simplest mpeg encoder (well, it was the simplest!)
3
* Copyright (c) 2000,2001 Fabrice Bellard.
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
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* This file is part of FFmpeg.
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* FFmpeg is free software; you can redistribute it and/or
11
* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* 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.
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
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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* @file mpegvideo_enc.c
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* The simplest mpeg encoder (well, it was the simplest!).
32
#include "mpegvideo.h"
33
#include "mpegvideo_common.h"
43
static int encode_picture(MpegEncContext *s, int picture_number);
44
static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
45
static int sse_mb(MpegEncContext *s);
47
/* enable all paranoid tests for rounding, overflows, etc... */
52
static const uint16_t aanscales[64] = {
53
/* precomputed values scaled up by 14 bits */
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16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
55
22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270,
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21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906,
57
19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315,
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16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
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12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552,
60
8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446,
61
4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247
64
static const uint16_t inv_aanscales[64] = {
65
4096, 2953, 3135, 3483, 4096, 5213, 7568, 14846,
66
2953, 2129, 2260, 2511, 2953, 3759, 5457, 10703,
67
3135, 2260, 2399, 2666, 3135, 3990, 5793, 11363,
68
3483, 2511, 2666, 2962, 3483, 4433, 6436, 12625,
69
4096, 2953, 3135, 3483, 4096, 5213, 7568, 14846,
70
5213, 3759, 3990, 4433, 5213, 6635, 9633, 18895,
71
7568, 5457, 5793, 6436, 7568, 9633, 13985, 27432,
72
14846, 10703, 11363, 12625, 14846, 18895, 27432, 53809,
75
static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
76
static uint8_t default_fcode_tab[MAX_MV*2+1];
78
void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
79
const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
84
for(qscale=qmin; qscale<=qmax; qscale++){
86
if (dsp->fdct == ff_jpeg_fdct_islow
88
|| dsp->fdct == ff_faandct
92
const int j= dsp->idct_permutation[i];
93
/* 16 <= qscale * quant_matrix[i] <= 7905 */
94
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
95
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
96
/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
98
qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
99
(qscale * quant_matrix[j]));
101
} else if (dsp->fdct == fdct_ifast
102
#ifndef FAAN_POSTSCALE
103
|| dsp->fdct == ff_faandct
107
const int j= dsp->idct_permutation[i];
108
/* 16 <= qscale * quant_matrix[i] <= 7905 */
109
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
110
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
111
/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
114
(aanscales[i] * qscale * quant_matrix[j]));
118
const int j= dsp->idct_permutation[i];
119
/* We can safely suppose that 16 <= quant_matrix[i] <= 255
120
So 16 <= qscale * quant_matrix[i] <= 7905
121
so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
122
so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
124
qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
125
// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
126
qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
128
if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
129
qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
133
for(i=intra; i<64; i++){
135
if (dsp->fdct == fdct_ifast
136
#ifndef FAAN_POSTSCALE
137
|| dsp->fdct == ff_faandct
140
max= (8191LL*aanscales[i]) >> 14;
142
while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
148
av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
152
static inline void update_qscale(MpegEncContext *s){
153
s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
154
s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
156
s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
159
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
165
put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
171
static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
174
dst->pict_type = src->pict_type;
175
dst->quality = src->quality;
176
dst->coded_picture_number = src->coded_picture_number;
177
dst->display_picture_number = src->display_picture_number;
178
// dst->reference = src->reference;
180
dst->interlaced_frame = src->interlaced_frame;
181
dst->top_field_first = src->top_field_first;
183
if(s->avctx->me_threshold){
184
if(!src->motion_val[0])
185
av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
187
av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
188
if(!src->ref_index[0])
189
av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
190
if(src->motion_subsample_log2 != dst->motion_subsample_log2)
191
av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
192
src->motion_subsample_log2, dst->motion_subsample_log2);
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memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
197
int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
198
int height= ((16*s->mb_height)>>src->motion_subsample_log2);
200
if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
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memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
203
if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
204
memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
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static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
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#define COPY(a) dst->a= src->a
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COPY(current_picture);
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COPY(picture_in_gop_number);
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COPY(gop_picture_number);
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COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
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COPY(progressive_frame); //FIXME don't set in encode_header
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COPY(partitioned_frame); //FIXME don't set in encode_header
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* sets the given MpegEncContext to defaults for encoding.
229
* the changed fields will not depend upon the prior state of the MpegEncContext.
231
static void MPV_encode_defaults(MpegEncContext *s){
233
MPV_common_defaults(s);
235
for(i=-16; i<16; i++){
236
default_fcode_tab[i + MAX_MV]= 1;
238
s->me.mv_penalty= default_mv_penalty;
239
s->fcode_tab= default_fcode_tab;
242
/* init video encoder */
243
av_cold int MPV_encode_init(AVCodecContext *avctx)
245
MpegEncContext *s = avctx->priv_data;
247
int chroma_h_shift, chroma_v_shift;
249
MPV_encode_defaults(s);
251
switch (avctx->codec_id) {
252
case CODEC_ID_MPEG2VIDEO:
253
if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
254
av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
260
if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P &&
261
((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
262
av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
267
if(avctx->pix_fmt != PIX_FMT_YUV420P){
268
av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
273
switch (avctx->pix_fmt) {
274
case PIX_FMT_YUVJ422P:
275
case PIX_FMT_YUV422P:
276
s->chroma_format = CHROMA_422;
278
case PIX_FMT_YUVJ420P:
279
case PIX_FMT_YUV420P:
281
s->chroma_format = CHROMA_420;
285
s->bit_rate = avctx->bit_rate;
286
s->width = avctx->width;
287
s->height = avctx->height;
288
if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
289
av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
292
s->gop_size = avctx->gop_size;
294
s->flags= avctx->flags;
295
s->flags2= avctx->flags2;
296
s->max_b_frames= avctx->max_b_frames;
297
s->codec_id= avctx->codec->id;
298
s->luma_elim_threshold = avctx->luma_elim_threshold;
299
s->chroma_elim_threshold= avctx->chroma_elim_threshold;
300
s->strict_std_compliance= avctx->strict_std_compliance;
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s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
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s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
303
s->mpeg_quant= avctx->mpeg_quant;
304
s->rtp_mode= !!avctx->rtp_payload_size;
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s->intra_dc_precision= avctx->intra_dc_precision;
306
s->user_specified_pts = AV_NOPTS_VALUE;
308
if (s->gop_size <= 1) {
315
s->me_method = avctx->me_method;
318
s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
320
s->adaptive_quant= ( s->avctx->lumi_masking
321
|| s->avctx->dark_masking
322
|| s->avctx->temporal_cplx_masking
323
|| s->avctx->spatial_cplx_masking
324
|| s->avctx->p_masking
325
|| s->avctx->border_masking
326
|| (s->flags&CODEC_FLAG_QP_RD))
329
s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
330
s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
331
s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
332
s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
333
s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
335
if(avctx->rc_max_rate && !avctx->rc_buffer_size){
336
av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
340
if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
341
av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
344
if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
345
av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
349
if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
350
av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
354
if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
355
av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
358
if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
359
av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
363
if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
364
av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
368
if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
369
&& (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
370
&& 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
372
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");
375
if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
376
&& s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
377
av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
381
if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
382
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
386
if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
387
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
391
if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
392
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
396
if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
397
av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
401
if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
402
av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
406
if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
407
&& s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
408
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
412
if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
413
av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
417
if((s->flags & CODEC_FLAG_CBP_RD) && !(s->flags & CODEC_FLAG_TRELLIS_QUANT)){
418
av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
422
if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
423
av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
427
if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
428
av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
432
if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
433
av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
437
if(s->flags & CODEC_FLAG_LOW_DELAY){
438
if (s->codec_id != CODEC_ID_MPEG2VIDEO && s->codec_id != CODEC_ID_MPEG1VIDEO){
439
av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg1/2\n");
442
if (s->max_b_frames != 0){
443
av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
448
if(s->q_scale_type == 1){
449
if(s->codec_id != CODEC_ID_MPEG2VIDEO){
450
av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
453
if(avctx->qmax > 12){
454
av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
459
if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
460
&& s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
461
&& (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
462
av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
466
if(s->avctx->thread_count > 1)
469
if(!avctx->time_base.den || !avctx->time_base.num){
470
av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
474
i= (INT_MAX/2+128)>>8;
475
if(avctx->me_threshold >= i){
476
av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
479
if(avctx->mb_threshold >= i){
480
av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
484
if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
485
av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
486
avctx->b_frame_strategy = 0;
489
i= ff_gcd(avctx->time_base.den, avctx->time_base.num);
491
av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
492
avctx->time_base.den /= i;
493
avctx->time_base.num /= i;
497
if(s->codec_id==CODEC_ID_MJPEG){
498
s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
499
s->inter_quant_bias= 0;
500
}else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
501
s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
502
s->inter_quant_bias= 0;
504
s->intra_quant_bias=0;
505
s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
508
if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
509
s->intra_quant_bias= avctx->intra_quant_bias;
510
if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
511
s->inter_quant_bias= avctx->inter_quant_bias;
513
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
515
if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
516
av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
519
s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
521
switch(avctx->codec->id) {
522
case CODEC_ID_MPEG1VIDEO:
523
s->out_format = FMT_MPEG1;
524
s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
525
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
527
case CODEC_ID_MPEG2VIDEO:
528
s->out_format = FMT_MPEG1;
529
s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
530
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
535
s->out_format = FMT_MJPEG;
536
s->intra_only = 1; /* force intra only for jpeg */
537
s->mjpeg_vsample[0] = 2;
538
s->mjpeg_vsample[1] = 2>>chroma_v_shift;
539
s->mjpeg_vsample[2] = 2>>chroma_v_shift;
540
s->mjpeg_hsample[0] = 2;
541
s->mjpeg_hsample[1] = 2>>chroma_h_shift;
542
s->mjpeg_hsample[2] = 2>>chroma_h_shift;
543
if (!(ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER)
544
|| ff_mjpeg_encode_init(s) < 0)
550
if (!ENABLE_H261_ENCODER) return -1;
551
if (ff_h261_get_picture_format(s->width, s->height) < 0) {
552
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);
555
s->out_format = FMT_H261;
560
if (!ENABLE_H263_ENCODER) return -1;
561
if (h263_get_picture_format(s->width, s->height) == 7) {
562
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);
565
s->out_format = FMT_H263;
566
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
571
s->out_format = FMT_H263;
574
s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
575
s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
576
s->modified_quant= s->h263_aic;
577
s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
578
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
579
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
580
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
581
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
584
/* These are just to be sure */
589
s->out_format = FMT_H263;
590
s->h263_flv = 2; /* format = 1; 11-bit codes */
591
s->unrestricted_mv = 1;
592
s->rtp_mode=0; /* don't allow GOB */
597
s->out_format = FMT_H263;
602
s->out_format = FMT_H263;
609
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
612
s->out_format = FMT_H263;
614
s->unrestricted_mv = 1;
615
s->low_delay= s->max_b_frames ? 0 : 1;
616
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
618
case CODEC_ID_MSMPEG4V1:
619
s->out_format = FMT_H263;
622
s->unrestricted_mv = 1;
623
s->msmpeg4_version= 1;
627
case CODEC_ID_MSMPEG4V2:
628
s->out_format = FMT_H263;
631
s->unrestricted_mv = 1;
632
s->msmpeg4_version= 2;
636
case CODEC_ID_MSMPEG4V3:
637
s->out_format = FMT_H263;
640
s->unrestricted_mv = 1;
641
s->msmpeg4_version= 3;
642
s->flipflop_rounding=1;
647
s->out_format = FMT_H263;
650
s->unrestricted_mv = 1;
651
s->msmpeg4_version= 4;
652
s->flipflop_rounding=1;
657
s->out_format = FMT_H263;
660
s->unrestricted_mv = 1;
661
s->msmpeg4_version= 5;
662
s->flipflop_rounding=1;
670
avctx->has_b_frames= !s->low_delay;
675
if (MPV_common_init(s) < 0)
679
s->dct_quantize = dct_quantize_c;
681
s->denoise_dct = denoise_dct_c;
682
s->fast_dct_quantize = s->dct_quantize;
683
if(s->flags & CODEC_FLAG_TRELLIS_QUANT)
684
s->dct_quantize = dct_quantize_trellis_c;
686
if((ENABLE_H263P_ENCODER || ENABLE_RV20_ENCODER) && s->modified_quant)
687
s->chroma_qscale_table= ff_h263_chroma_qscale_table;
688
s->progressive_frame=
689
s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
690
s->quant_precision=5;
692
ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
693
ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
695
if (ENABLE_H261_ENCODER && s->out_format == FMT_H261)
696
ff_h261_encode_init(s);
697
if (ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263)
699
if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version)
700
ff_msmpeg4_encode_init(s);
701
if ((ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
702
&& s->out_format == FMT_MPEG1)
703
ff_mpeg1_encode_init(s);
707
int j= s->dsp.idct_permutation[i];
708
if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
709
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
710
s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
711
}else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
713
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
716
s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
717
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
719
if(s->avctx->intra_matrix)
720
s->intra_matrix[j] = s->avctx->intra_matrix[i];
721
if(s->avctx->inter_matrix)
722
s->inter_matrix[j] = s->avctx->inter_matrix[i];
725
/* precompute matrix */
726
/* for mjpeg, we do include qscale in the matrix */
727
if (s->out_format != FMT_MJPEG) {
728
ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
729
s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
730
ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
731
s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
734
if(ff_rate_control_init(s) < 0)
740
av_cold int MPV_encode_end(AVCodecContext *avctx)
742
MpegEncContext *s = avctx->priv_data;
744
ff_rate_control_uninit(s);
747
if ((ENABLE_MJPEG_ENCODER || ENABLE_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
748
ff_mjpeg_encode_close(s);
750
av_freep(&avctx->extradata);
755
static int get_sae(uint8_t *src, int ref, int stride){
761
acc+= FFABS(src[x+y*stride] - ref);
768
static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
775
for(y=0; y<h; y+=16){
776
for(x=0; x<w; x+=16){
777
int offset= x + y*stride;
778
int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
779
int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
780
int sae = get_sae(src + offset, mean, stride);
782
acc+= sae + 500 < sad;
789
static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
793
const int encoding_delay= s->max_b_frames;
798
pic_arg->display_picture_number= s->input_picture_number++;
800
if(pts != AV_NOPTS_VALUE){
801
if(s->user_specified_pts != AV_NOPTS_VALUE){
803
int64_t last= s->user_specified_pts;
806
av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
810
s->user_specified_pts= pts;
812
if(s->user_specified_pts != AV_NOPTS_VALUE){
813
s->user_specified_pts=
814
pts= s->user_specified_pts + 1;
815
av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts);
817
pts= pic_arg->display_picture_number;
823
if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
824
if(pic_arg->linesize[0] != s->linesize) direct=0;
825
if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
826
if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
828
// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
831
i= ff_find_unused_picture(s, 1);
833
pic= (AVFrame*)&s->picture[i];
837
pic->data[i]= pic_arg->data[i];
838
pic->linesize[i]= pic_arg->linesize[i];
840
alloc_picture(s, (Picture*)pic, 1);
842
i= ff_find_unused_picture(s, 0);
844
pic= (AVFrame*)&s->picture[i];
847
alloc_picture(s, (Picture*)pic, 0);
849
if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
850
&& pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
851
&& pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
854
int h_chroma_shift, v_chroma_shift;
855
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
858
int src_stride= pic_arg->linesize[i];
859
int dst_stride= i ? s->uvlinesize : s->linesize;
860
int h_shift= i ? h_chroma_shift : 0;
861
int v_shift= i ? v_chroma_shift : 0;
862
int w= s->width >>h_shift;
863
int h= s->height>>v_shift;
864
uint8_t *src= pic_arg->data[i];
865
uint8_t *dst= pic->data[i];
867
if(!s->avctx->rc_buffer_size)
868
dst +=INPLACE_OFFSET;
870
if(src_stride==dst_stride)
871
memcpy(dst, src, src_stride*h);
882
copy_picture_attributes(s, pic, pic_arg);
883
pic->pts= pts; //we set this here to avoid modifiying pic_arg
886
/* shift buffer entries */
887
for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
888
s->input_picture[i-1]= s->input_picture[i];
890
s->input_picture[encoding_delay]= (Picture*)pic;
895
static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
900
for(plane=0; plane<3; plane++){
901
const int stride= p->linesize[plane];
902
const int bw= plane ? 1 : 2;
903
for(y=0; y<s->mb_height*bw; y++){
904
for(x=0; x<s->mb_width*bw; x++){
905
int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
906
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);
908
switch(s->avctx->frame_skip_exp){
909
case 0: score= FFMAX(score, v); break;
910
case 1: score+= FFABS(v);break;
911
case 2: score+= v*v;break;
912
case 3: score64+= FFABS(v*v*(int64_t)v);break;
913
case 4: score64+= v*v*(int64_t)(v*v);break;
919
if(score) score64= score;
921
if(score64 < s->avctx->frame_skip_threshold)
923
if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
928
static int estimate_best_b_count(MpegEncContext *s){
929
AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
930
AVCodecContext *c= avcodec_alloc_context();
931
AVFrame input[FF_MAX_B_FRAMES+2];
932
const int scale= s->avctx->brd_scale;
933
int i, j, out_size, p_lambda, b_lambda, lambda2;
934
int outbuf_size= s->width * s->height; //FIXME
935
uint8_t *outbuf= av_malloc(outbuf_size);
936
int64_t best_rd= INT64_MAX;
937
int best_b_count= -1;
939
assert(scale>=0 && scale <=3);
942
p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
943
b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
944
if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
945
lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT;
947
c->width = s->width >> scale;
948
c->height= s->height>> scale;
949
c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
950
c->flags|= s->avctx->flags & CODEC_FLAG_QPEL;
951
c->mb_decision= s->avctx->mb_decision;
952
c->me_cmp= s->avctx->me_cmp;
953
c->mb_cmp= s->avctx->mb_cmp;
954
c->me_sub_cmp= s->avctx->me_sub_cmp;
955
c->pix_fmt = PIX_FMT_YUV420P;
956
c->time_base= s->avctx->time_base;
957
c->max_b_frames= s->max_b_frames;
959
if (avcodec_open(c, codec) < 0)
962
for(i=0; i<s->max_b_frames+2; i++){
963
int ysize= c->width*c->height;
964
int csize= (c->width/2)*(c->height/2);
965
Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
967
avcodec_get_frame_defaults(&input[i]);
968
input[i].data[0]= av_malloc(ysize + 2*csize);
969
input[i].data[1]= input[i].data[0] + ysize;
970
input[i].data[2]= input[i].data[1] + csize;
971
input[i].linesize[0]= c->width;
972
input[i].linesize[1]=
973
input[i].linesize[2]= c->width/2;
975
if(pre_input_ptr && (!i || s->input_picture[i-1])) {
976
pre_input= *pre_input_ptr;
978
if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
979
pre_input.data[0]+=INPLACE_OFFSET;
980
pre_input.data[1]+=INPLACE_OFFSET;
981
pre_input.data[2]+=INPLACE_OFFSET;
984
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
985
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);
986
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);
990
for(j=0; j<s->max_b_frames+1; j++){
993
if(!s->input_picture[j])
996
c->error[0]= c->error[1]= c->error[2]= 0;
998
input[0].pict_type= FF_I_TYPE;
999
input[0].quality= 1 * FF_QP2LAMBDA;
1000
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
1001
// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1003
for(i=0; i<s->max_b_frames+1; i++){
1004
int is_p= i % (j+1) == j || i==s->max_b_frames;
1006
input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
1007
input[i+1].quality= is_p ? p_lambda : b_lambda;
1008
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
1009
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1012
/* get the delayed frames */
1014
out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
1015
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1018
rd += c->error[0] + c->error[1] + c->error[2];
1030
for(i=0; i<s->max_b_frames+2; i++){
1031
av_freep(&input[i].data[0]);
1034
return best_b_count;
1037
static void select_input_picture(MpegEncContext *s){
1040
for(i=1; i<MAX_PICTURE_COUNT; i++)
1041
s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
1042
s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
1044
/* set next picture type & ordering */
1045
if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
1046
if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
1047
s->reordered_input_picture[0]= s->input_picture[0];
1048
s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
1049
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1053
if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
1054
if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
1055
//FIXME check that te gop check above is +-1 correct
1056
//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
1058
if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
1060
s->input_picture[0]->data[i]= NULL;
1061
s->input_picture[0]->type= 0;
1063
assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
1064
|| s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1066
s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
1070
ff_vbv_update(s, 0);
1076
if(s->flags&CODEC_FLAG_PASS2){
1077
for(i=0; i<s->max_b_frames+1; i++){
1078
int pict_num= s->input_picture[0]->display_picture_number + i;
1080
if(pict_num >= s->rc_context.num_entries)
1082
if(!s->input_picture[i]){
1083
s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
1087
s->input_picture[i]->pict_type=
1088
s->rc_context.entry[pict_num].new_pict_type;
1092
if(s->avctx->b_frame_strategy==0){
1093
b_frames= s->max_b_frames;
1094
while(b_frames && !s->input_picture[b_frames]) b_frames--;
1095
}else if(s->avctx->b_frame_strategy==1){
1096
for(i=1; i<s->max_b_frames+1; i++){
1097
if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
1098
s->input_picture[i]->b_frame_score=
1099
get_intra_count(s, s->input_picture[i ]->data[0],
1100
s->input_picture[i-1]->data[0], s->linesize) + 1;
1103
for(i=0; i<s->max_b_frames+1; i++){
1104
if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
1107
b_frames= FFMAX(0, i-1);
1110
for(i=0; i<b_frames+1; i++){
1111
s->input_picture[i]->b_frame_score=0;
1113
}else if(s->avctx->b_frame_strategy==2){
1114
b_frames= estimate_best_b_count(s);
1116
av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1121
//static int b_count=0;
1122
//b_count+= b_frames;
1123
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
1125
for(i= b_frames - 1; i>=0; i--){
1126
int type= s->input_picture[i]->pict_type;
1127
if(type && type != FF_B_TYPE)
1130
if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
1131
av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
1134
if(s->picture_in_gop_number + b_frames >= s->gop_size){
1135
if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
1136
b_frames= s->gop_size - s->picture_in_gop_number - 1;
1138
if(s->flags & CODEC_FLAG_CLOSED_GOP)
1140
s->input_picture[b_frames]->pict_type= FF_I_TYPE;
1144
if( (s->flags & CODEC_FLAG_CLOSED_GOP)
1146
&& s->input_picture[b_frames]->pict_type== FF_I_TYPE)
1149
s->reordered_input_picture[0]= s->input_picture[b_frames];
1150
if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
1151
s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
1152
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
1153
for(i=0; i<b_frames; i++){
1154
s->reordered_input_picture[i+1]= s->input_picture[i];
1155
s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
1156
s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
1161
if(s->reordered_input_picture[0]){
1162
s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0;
1164
copy_picture(&s->new_picture, s->reordered_input_picture[0]);
1166
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){
1167
// input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
1169
int i= ff_find_unused_picture(s, 0);
1170
Picture *pic= &s->picture[i];
1172
pic->reference = s->reordered_input_picture[0]->reference;
1173
alloc_picture(s, pic, 0);
1175
/* mark us unused / free shared pic */
1176
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
1177
s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
1179
s->reordered_input_picture[0]->data[i]= NULL;
1180
s->reordered_input_picture[0]->type= 0;
1182
copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
1184
s->current_picture_ptr= pic;
1186
// input is not a shared pix -> reuse buffer for current_pix
1188
assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
1189
|| s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
1191
s->current_picture_ptr= s->reordered_input_picture[0];
1193
s->new_picture.data[i]+= INPLACE_OFFSET;
1196
copy_picture(&s->current_picture, s->current_picture_ptr);
1198
s->picture_number= s->new_picture.display_picture_number;
1199
//printf("dpn:%d\n", s->picture_number);
1201
memset(&s->new_picture, 0, sizeof(Picture));
1205
int MPV_encode_picture(AVCodecContext *avctx,
1206
unsigned char *buf, int buf_size, void *data)
1208
MpegEncContext *s = avctx->priv_data;
1209
AVFrame *pic_arg = data;
1210
int i, stuffing_count;
1212
for(i=0; i<avctx->thread_count; i++){
1213
int start_y= s->thread_context[i]->start_mb_y;
1214
int end_y= s->thread_context[i]-> end_mb_y;
1215
int h= s->mb_height;
1216
uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
1217
uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
1219
init_put_bits(&s->thread_context[i]->pb, start, end - start);
1222
s->picture_in_gop_number++;
1224
if(load_input_picture(s, pic_arg) < 0)
1227
select_input_picture(s);
1230
if(s->new_picture.data[0]){
1231
s->pict_type= s->new_picture.pict_type;
1233
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
1234
MPV_frame_start(s, avctx);
1236
if (encode_picture(s, s->picture_number) < 0)
1239
avctx->real_pict_num = s->picture_number;
1240
avctx->header_bits = s->header_bits;
1241
avctx->mv_bits = s->mv_bits;
1242
avctx->misc_bits = s->misc_bits;
1243
avctx->i_tex_bits = s->i_tex_bits;
1244
avctx->p_tex_bits = s->p_tex_bits;
1245
avctx->i_count = s->i_count;
1246
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
1247
avctx->skip_count = s->skip_count;
1251
if (ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1252
ff_mjpeg_encode_picture_trailer(s);
1254
if(avctx->rc_buffer_size){
1255
RateControlContext *rcc= &s->rc_context;
1256
int max_size= rcc->buffer_index/3;
1258
if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
1259
s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
1260
if(s->adaptive_quant){
1262
for(i=0; i<s->mb_height*s->mb_stride; i++)
1263
s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
1265
s->mb_skipped = 0; //done in MPV_frame_start()
1266
if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
1267
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
1268
s->no_rounding ^= 1;
1270
if(s->pict_type!=FF_B_TYPE){
1271
s->time_base= s->last_time_base;
1272
s->last_non_b_time= s->time - s->pp_time;
1274
// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
1275
for(i=0; i<avctx->thread_count; i++){
1276
PutBitContext *pb= &s->thread_context[i]->pb;
1277
init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1282
assert(s->avctx->rc_max_rate);
1285
if(s->flags&CODEC_FLAG_PASS1)
1286
ff_write_pass1_stats(s);
1289
s->current_picture_ptr->error[i]= s->current_picture.error[i];
1290
avctx->error[i] += s->current_picture_ptr->error[i];
1293
if(s->flags&CODEC_FLAG_PASS1)
1294
assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
1295
flush_put_bits(&s->pb);
1296
s->frame_bits = put_bits_count(&s->pb);
1298
stuffing_count= ff_vbv_update(s, s->frame_bits);
1300
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
1301
av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1305
switch(s->codec_id){
1306
case CODEC_ID_MPEG1VIDEO:
1307
case CODEC_ID_MPEG2VIDEO:
1308
while(stuffing_count--){
1309
put_bits(&s->pb, 8, 0);
1312
case CODEC_ID_MPEG4:
1313
put_bits(&s->pb, 16, 0);
1314
put_bits(&s->pb, 16, 0x1C3);
1315
stuffing_count -= 4;
1316
while(stuffing_count--){
1317
put_bits(&s->pb, 8, 0xFF);
1321
av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1323
flush_put_bits(&s->pb);
1324
s->frame_bits = put_bits_count(&s->pb);
1327
/* update mpeg1/2 vbv_delay for CBR */
1328
if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
1329
&& 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
1332
assert(s->repeat_first_field==0);
1334
vbv_delay= lrintf(90000 * s->rc_context.buffer_index / s->avctx->rc_max_rate);
1335
assert(vbv_delay < 0xFFFF);
1337
s->vbv_delay_ptr[0] &= 0xF8;
1338
s->vbv_delay_ptr[0] |= vbv_delay>>13;
1339
s->vbv_delay_ptr[1] = vbv_delay>>5;
1340
s->vbv_delay_ptr[2] &= 0x07;
1341
s->vbv_delay_ptr[2] |= vbv_delay<<3;
1343
s->total_bits += s->frame_bits;
1344
avctx->frame_bits = s->frame_bits;
1346
assert((pbBufPtr(&s->pb) == s->pb.buf));
1349
assert((s->frame_bits&7)==0);
1351
return s->frame_bits/8;
1354
static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
1356
static const char tab[64]=
1368
DCTELEM *block= s->block[n];
1369
const int last_index= s->block_last_index[n];
1374
threshold= -threshold;
1378
/* Are all we could set to zero already zero? */
1379
if(last_index<=skip_dc - 1) return;
1381
for(i=0; i<=last_index; i++){
1382
const int j = s->intra_scantable.permutated[i];
1383
const int level = FFABS(block[j]);
1385
if(skip_dc && i==0) continue;
1394
if(score >= threshold) return;
1395
for(i=skip_dc; i<=last_index; i++){
1396
const int j = s->intra_scantable.permutated[i];
1399
if(block[0]) s->block_last_index[n]= 0;
1400
else s->block_last_index[n]= -1;
1403
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
1406
const int maxlevel= s->max_qcoeff;
1407
const int minlevel= s->min_qcoeff;
1411
i=1; //skip clipping of intra dc
1415
for(;i<=last_index; i++){
1416
const int j= s->intra_scantable.permutated[i];
1417
int level = block[j];
1419
if (level>maxlevel){
1422
}else if(level<minlevel){
1430
if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
1431
av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
1434
static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
1444
for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
1445
for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
1446
int v= ptr[x2 + y2*stride];
1452
weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
1457
static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
1459
int16_t weight[8][64];
1460
DCTELEM orig[8][64];
1461
const int mb_x= s->mb_x;
1462
const int mb_y= s->mb_y;
1465
int dct_offset = s->linesize*8; //default for progressive frames
1466
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
1469
for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
1471
if(s->adaptive_quant){
1472
const int last_qp= s->qscale;
1473
const int mb_xy= mb_x + mb_y*s->mb_stride;
1475
s->lambda= s->lambda_table[mb_xy];
1478
if(!(s->flags&CODEC_FLAG_QP_RD)){
1479
s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
1480
s->dquant= s->qscale - last_qp;
1482
if(s->out_format==FMT_H263){
1483
s->dquant= av_clip(s->dquant, -2, 2);
1485
if(s->codec_id==CODEC_ID_MPEG4){
1487
if(s->pict_type == FF_B_TYPE){
1488
if(s->dquant&1 || s->mv_dir&MV_DIRECT)
1491
if(s->mv_type==MV_TYPE_8X8)
1497
ff_set_qscale(s, last_qp + s->dquant);
1498
}else if(s->flags&CODEC_FLAG_QP_RD)
1499
ff_set_qscale(s, s->qscale + s->dquant);
1501
wrap_y = s->linesize;
1502
wrap_c = s->uvlinesize;
1503
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
1504
ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1505
ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
1507
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
1508
uint8_t *ebuf= s->edge_emu_buffer + 32;
1509
ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
1511
ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
1512
ptr_cb= ebuf+18*wrap_y;
1513
ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
1514
ptr_cr= ebuf+18*wrap_y+8;
1518
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1519
int progressive_score, interlaced_score;
1521
s->interlaced_dct=0;
1522
progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
1523
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
1525
if(progressive_score > 0){
1526
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
1527
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
1528
if(progressive_score > interlaced_score){
1529
s->interlaced_dct=1;
1533
if (s->chroma_format == CHROMA_422)
1539
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
1540
s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
1541
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
1542
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
1544
if(s->flags&CODEC_FLAG_GRAY){
1548
s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
1549
s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
1550
if(!s->chroma_y_shift){ /* 422 */
1551
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
1552
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
1556
op_pixels_func (*op_pix)[4];
1557
qpel_mc_func (*op_qpix)[16];
1558
uint8_t *dest_y, *dest_cb, *dest_cr;
1560
dest_y = s->dest[0];
1561
dest_cb = s->dest[1];
1562
dest_cr = s->dest[2];
1564
if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
1565
op_pix = s->dsp.put_pixels_tab;
1566
op_qpix= s->dsp.put_qpel_pixels_tab;
1568
op_pix = s->dsp.put_no_rnd_pixels_tab;
1569
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
1572
if (s->mv_dir & MV_DIR_FORWARD) {
1573
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
1574
op_pix = s->dsp.avg_pixels_tab;
1575
op_qpix= s->dsp.avg_qpel_pixels_tab;
1577
if (s->mv_dir & MV_DIR_BACKWARD) {
1578
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
1581
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
1582
int progressive_score, interlaced_score;
1584
s->interlaced_dct=0;
1585
progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
1586
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
1588
if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
1590
if(progressive_score>0){
1591
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
1592
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
1594
if(progressive_score > interlaced_score){
1595
s->interlaced_dct=1;
1599
if (s->chroma_format == CHROMA_422)
1605
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
1606
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
1607
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
1608
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
1610
if(s->flags&CODEC_FLAG_GRAY){
1614
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
1615
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
1616
if(!s->chroma_y_shift){ /* 422 */
1617
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
1618
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
1621
/* pre quantization */
1622
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
1624
if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
1625
if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
1626
if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
1627
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;
1628
if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
1629
if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
1630
if(!s->chroma_y_shift){ /* 422 */
1631
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;
1632
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;
1637
if(s->avctx->quantizer_noise_shaping){
1638
if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
1639
if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
1640
if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
1641
if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
1642
if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
1643
if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
1644
if(!s->chroma_y_shift){ /* 422 */
1645
if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
1646
if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
1648
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
1651
/* DCT & quantize */
1652
assert(s->out_format!=FMT_MJPEG || s->qscale==8);
1654
for(i=0;i<mb_block_count;i++) {
1657
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
1658
// FIXME we could decide to change to quantizer instead of clipping
1659
// JS: I don't think that would be a good idea it could lower quality instead
1660
// of improve it. Just INTRADC clipping deserves changes in quantizer
1661
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
1663
s->block_last_index[i]= -1;
1665
if(s->avctx->quantizer_noise_shaping){
1666
for(i=0;i<mb_block_count;i++) {
1668
s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
1673
if(s->luma_elim_threshold && !s->mb_intra)
1675
dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
1676
if(s->chroma_elim_threshold && !s->mb_intra)
1677
for(i=4; i<mb_block_count; i++)
1678
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
1680
if(s->flags & CODEC_FLAG_CBP_RD){
1681
for(i=0;i<mb_block_count;i++) {
1682
if(s->block_last_index[i] == -1)
1683
s->coded_score[i]= INT_MAX/256;
1688
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
1689
s->block_last_index[4]=
1690
s->block_last_index[5]= 0;
1692
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
1695
//non c quantize code returns incorrect block_last_index FIXME
1696
if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
1697
for(i=0; i<mb_block_count; i++){
1699
if(s->block_last_index[i]>0){
1700
for(j=63; j>0; j--){
1701
if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
1703
s->block_last_index[i]= j;
1708
/* huffman encode */
1709
switch(s->codec_id){ //FIXME funct ptr could be slightly faster
1710
case CODEC_ID_MPEG1VIDEO:
1711
case CODEC_ID_MPEG2VIDEO:
1712
if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
1713
mpeg1_encode_mb(s, s->block, motion_x, motion_y);
1715
case CODEC_ID_MPEG4:
1716
if (ENABLE_MPEG4_ENCODER)
1717
mpeg4_encode_mb(s, s->block, motion_x, motion_y);
1719
case CODEC_ID_MSMPEG4V2:
1720
case CODEC_ID_MSMPEG4V3:
1722
if (ENABLE_MSMPEG4_ENCODER)
1723
msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
1726
if (ENABLE_WMV2_ENCODER)
1727
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
1730
if (ENABLE_H261_ENCODER)
1731
ff_h261_encode_mb(s, s->block, motion_x, motion_y);
1734
case CODEC_ID_H263P:
1738
if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER ||
1739
ENABLE_FLV_ENCODER || ENABLE_RV10_ENCODER || ENABLE_RV20_ENCODER)
1740
h263_encode_mb(s, s->block, motion_x, motion_y);
1742
case CODEC_ID_MJPEG:
1743
if (ENABLE_MJPEG_ENCODER)
1744
ff_mjpeg_encode_mb(s, s->block);
1751
static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
1753
if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6);
1754
else encode_mb_internal(s, motion_x, motion_y, 16, 8);
1757
static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
1760
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1763
d->mb_skip_run= s->mb_skip_run;
1765
d->last_dc[i]= s->last_dc[i];
1768
d->mv_bits= s->mv_bits;
1769
d->i_tex_bits= s->i_tex_bits;
1770
d->p_tex_bits= s->p_tex_bits;
1771
d->i_count= s->i_count;
1772
d->f_count= s->f_count;
1773
d->b_count= s->b_count;
1774
d->skip_count= s->skip_count;
1775
d->misc_bits= s->misc_bits;
1779
d->qscale= s->qscale;
1780
d->dquant= s->dquant;
1782
d->esc3_level_length= s->esc3_level_length;
1785
static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
1788
memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
1789
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
1792
d->mb_skip_run= s->mb_skip_run;
1794
d->last_dc[i]= s->last_dc[i];
1797
d->mv_bits= s->mv_bits;
1798
d->i_tex_bits= s->i_tex_bits;
1799
d->p_tex_bits= s->p_tex_bits;
1800
d->i_count= s->i_count;
1801
d->f_count= s->f_count;
1802
d->b_count= s->b_count;
1803
d->skip_count= s->skip_count;
1804
d->misc_bits= s->misc_bits;
1806
d->mb_intra= s->mb_intra;
1807
d->mb_skipped= s->mb_skipped;
1808
d->mv_type= s->mv_type;
1809
d->mv_dir= s->mv_dir;
1811
if(s->data_partitioning){
1813
d->tex_pb= s->tex_pb;
1817
d->block_last_index[i]= s->block_last_index[i];
1818
d->interlaced_dct= s->interlaced_dct;
1819
d->qscale= s->qscale;
1821
d->esc3_level_length= s->esc3_level_length;
1824
static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
1825
PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
1826
int *dmin, int *next_block, int motion_x, int motion_y)
1829
uint8_t *dest_backup[3];
1831
copy_context_before_encode(s, backup, type);
1833
s->block= s->blocks[*next_block];
1834
s->pb= pb[*next_block];
1835
if(s->data_partitioning){
1836
s->pb2 = pb2 [*next_block];
1837
s->tex_pb= tex_pb[*next_block];
1841
memcpy(dest_backup, s->dest, sizeof(s->dest));
1842
s->dest[0] = s->rd_scratchpad;
1843
s->dest[1] = s->rd_scratchpad + 16*s->linesize;
1844
s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
1845
assert(s->linesize >= 32); //FIXME
1848
encode_mb(s, motion_x, motion_y);
1850
score= put_bits_count(&s->pb);
1851
if(s->data_partitioning){
1852
score+= put_bits_count(&s->pb2);
1853
score+= put_bits_count(&s->tex_pb);
1856
if(s->avctx->mb_decision == FF_MB_DECISION_RD){
1857
MPV_decode_mb(s, s->block);
1859
score *= s->lambda2;
1860
score += sse_mb(s) << FF_LAMBDA_SHIFT;
1864
memcpy(s->dest, dest_backup, sizeof(s->dest));
1871
copy_context_after_encode(best, s, type);
1875
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
1876
uint32_t *sq = ff_squareTbl + 256;
1881
return s->dsp.sse[0](NULL, src1, src2, stride, 16);
1882
else if(w==8 && h==8)
1883
return s->dsp.sse[1](NULL, src1, src2, stride, 8);
1887
acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
1896
static int sse_mb(MpegEncContext *s){
1900
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
1901
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
1904
if(s->avctx->mb_cmp == FF_CMP_NSSE){
1905
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)
1906
+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)
1907
+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);
1909
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)
1910
+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)
1911
+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);
1914
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)
1915
+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)
1916
+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);
1919
static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
1920
MpegEncContext *s= arg;
1924
s->me.dia_size= s->avctx->pre_dia_size;
1925
s->first_slice_line=1;
1926
for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
1927
for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
1928
ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1930
s->first_slice_line=0;
1938
static int estimate_motion_thread(AVCodecContext *c, void *arg){
1939
MpegEncContext *s= arg;
1941
ff_check_alignment();
1943
s->me.dia_size= s->avctx->dia_size;
1944
s->first_slice_line=1;
1945
for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
1946
s->mb_x=0; //for block init below
1947
ff_init_block_index(s);
1948
for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
1949
s->block_index[0]+=2;
1950
s->block_index[1]+=2;
1951
s->block_index[2]+=2;
1952
s->block_index[3]+=2;
1954
/* compute motion vector & mb_type and store in context */
1955
if(s->pict_type==FF_B_TYPE)
1956
ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
1958
ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
1960
s->first_slice_line=0;
1965
static int mb_var_thread(AVCodecContext *c, void *arg){
1966
MpegEncContext *s= arg;
1969
ff_check_alignment();
1971
for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
1972
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
1975
uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
1977
int sum = s->dsp.pix_sum(pix, s->linesize);
1979
varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1981
s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
1982
s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1983
s->me.mb_var_sum_temp += varc;
1989
static void write_slice_end(MpegEncContext *s){
1990
if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
1991
if(s->partitioned_frame){
1992
ff_mpeg4_merge_partitions(s);
1995
ff_mpeg4_stuffing(&s->pb);
1996
}else if(ENABLE_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
1997
ff_mjpeg_encode_stuffing(&s->pb);
2000
align_put_bits(&s->pb);
2001
flush_put_bits(&s->pb);
2003
if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2004
s->misc_bits+= get_bits_diff(s);
2007
static int encode_thread(AVCodecContext *c, void *arg){
2008
MpegEncContext *s= arg;
2009
int mb_x, mb_y, pdif = 0;
2011
MpegEncContext best_s, backup_s;
2012
uint8_t bit_buf[2][MAX_MB_BYTES];
2013
uint8_t bit_buf2[2][MAX_MB_BYTES];
2014
uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2015
PutBitContext pb[2], pb2[2], tex_pb[2];
2016
//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
2018
ff_check_alignment();
2021
init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2022
init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2023
init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2026
s->last_bits= put_bits_count(&s->pb);
2037
/* init last dc values */
2038
/* note: quant matrix value (8) is implied here */
2039
s->last_dc[i] = 128 << s->intra_dc_precision;
2041
s->current_picture.error[i] = 0;
2044
memset(s->last_mv, 0, sizeof(s->last_mv));
2048
switch(s->codec_id){
2050
case CODEC_ID_H263P:
2052
if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER || ENABLE_FLV_ENCODER)
2053
s->gob_index = ff_h263_get_gob_height(s);
2055
case CODEC_ID_MPEG4:
2056
if(ENABLE_MPEG4_ENCODER && s->partitioned_frame)
2057
ff_mpeg4_init_partitions(s);
2063
s->first_slice_line = 1;
2064
s->ptr_lastgob = s->pb.buf;
2065
for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2066
// printf("row %d at %X\n", s->mb_y, (int)s);
2070
ff_set_qscale(s, s->qscale);
2071
ff_init_block_index(s);
2073
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2074
int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2075
int mb_type= s->mb_type[xy];
2080
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2081
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2084
if(s->data_partitioning){
2085
if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2086
|| s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2087
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2093
s->mb_y = mb_y; // moved into loop, can get changed by H.261
2094
ff_update_block_index(s);
2096
if(ENABLE_H261_ENCODER && s->codec_id == CODEC_ID_H261){
2097
ff_h261_reorder_mb_index(s);
2098
xy= s->mb_y*s->mb_stride + s->mb_x;
2099
mb_type= s->mb_type[xy];
2102
/* write gob / video packet header */
2104
int current_packet_size, is_gob_start;
2106
current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2108
is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2110
if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2112
switch(s->codec_id){
2114
case CODEC_ID_H263P:
2115
if(!s->h263_slice_structured)
2116
if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2118
case CODEC_ID_MPEG2VIDEO:
2119
if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2120
case CODEC_ID_MPEG1VIDEO:
2121
if(s->mb_skip_run) is_gob_start=0;
2126
if(s->start_mb_y != mb_y || mb_x!=0){
2129
if(ENABLE_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
2130
ff_mpeg4_init_partitions(s);
2134
assert((put_bits_count(&s->pb)&7) == 0);
2135
current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
2137
if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){
2138
int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2139
int d= 100 / s->avctx->error_rate;
2141
current_packet_size=0;
2142
#ifndef ALT_BITSTREAM_WRITER
2143
s->pb.buf_ptr= s->ptr_lastgob;
2145
assert(pbBufPtr(&s->pb) == s->ptr_lastgob);
2149
if (s->avctx->rtp_callback){
2150
int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2151
s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2154
switch(s->codec_id){
2155
case CODEC_ID_MPEG4:
2156
if (ENABLE_MPEG4_ENCODER) {
2157
ff_mpeg4_encode_video_packet_header(s);
2158
ff_mpeg4_clean_buffers(s);
2161
case CODEC_ID_MPEG1VIDEO:
2162
case CODEC_ID_MPEG2VIDEO:
2163
if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) {
2164
ff_mpeg1_encode_slice_header(s);
2165
ff_mpeg1_clean_buffers(s);
2169
case CODEC_ID_H263P:
2170
if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER)
2171
h263_encode_gob_header(s, mb_y);
2175
if(s->flags&CODEC_FLAG_PASS1){
2176
int bits= put_bits_count(&s->pb);
2177
s->misc_bits+= bits - s->last_bits;
2181
s->ptr_lastgob += current_packet_size;
2182
s->first_slice_line=1;
2183
s->resync_mb_x=mb_x;
2184
s->resync_mb_y=mb_y;
2188
if( (s->resync_mb_x == s->mb_x)
2189
&& s->resync_mb_y+1 == s->mb_y){
2190
s->first_slice_line=0;
2194
s->dquant=0; //only for QP_RD
2196
if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD
2198
int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2200
copy_context_before_encode(&backup_s, s, -1);
2202
best_s.data_partitioning= s->data_partitioning;
2203
best_s.partitioned_frame= s->partitioned_frame;
2204
if(s->data_partitioning){
2205
backup_s.pb2= s->pb2;
2206
backup_s.tex_pb= s->tex_pb;
2209
if(mb_type&CANDIDATE_MB_TYPE_INTER){
2210
s->mv_dir = MV_DIR_FORWARD;
2211
s->mv_type = MV_TYPE_16X16;
2213
s->mv[0][0][0] = s->p_mv_table[xy][0];
2214
s->mv[0][0][1] = s->p_mv_table[xy][1];
2215
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2216
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2218
if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2219
s->mv_dir = MV_DIR_FORWARD;
2220
s->mv_type = MV_TYPE_FIELD;
2223
j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2224
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2225
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2227
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2228
&dmin, &next_block, 0, 0);
2230
if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2231
s->mv_dir = MV_DIR_FORWARD;
2232
s->mv_type = MV_TYPE_16X16;
2236
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2237
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2239
if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2240
s->mv_dir = MV_DIR_FORWARD;
2241
s->mv_type = MV_TYPE_8X8;
2244
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2245
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2247
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2248
&dmin, &next_block, 0, 0);
2250
if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2251
s->mv_dir = MV_DIR_FORWARD;
2252
s->mv_type = MV_TYPE_16X16;
2254
s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2255
s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2256
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
2257
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2259
if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
2260
s->mv_dir = MV_DIR_BACKWARD;
2261
s->mv_type = MV_TYPE_16X16;
2263
s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2264
s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2265
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
2266
&dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
2268
if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
2269
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2270
s->mv_type = MV_TYPE_16X16;
2272
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2273
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2274
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2275
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2276
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
2277
&dmin, &next_block, 0, 0);
2279
if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
2280
s->mv_dir = MV_DIR_FORWARD;
2281
s->mv_type = MV_TYPE_FIELD;
2284
j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2285
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2286
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2288
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
2289
&dmin, &next_block, 0, 0);
2291
if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
2292
s->mv_dir = MV_DIR_BACKWARD;
2293
s->mv_type = MV_TYPE_FIELD;
2296
j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2297
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2298
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2300
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
2301
&dmin, &next_block, 0, 0);
2303
if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
2304
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2305
s->mv_type = MV_TYPE_FIELD;
2307
for(dir=0; dir<2; dir++){
2309
j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2310
s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2311
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2314
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
2315
&dmin, &next_block, 0, 0);
2317
if(mb_type&CANDIDATE_MB_TYPE_INTRA){
2319
s->mv_type = MV_TYPE_16X16;
2323
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
2324
&dmin, &next_block, 0, 0);
2325
if(s->h263_pred || s->h263_aic){
2327
s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
2329
ff_clean_intra_table_entries(s); //old mode?
2333
if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
2334
if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
2335
const int last_qp= backup_s.qscale;
2338
const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
2339
static const int dquant_tab[4]={-1,1,-2,2};
2341
assert(backup_s.dquant == 0);
2344
s->mv_dir= best_s.mv_dir;
2345
s->mv_type = MV_TYPE_16X16;
2346
s->mb_intra= best_s.mb_intra;
2347
s->mv[0][0][0] = best_s.mv[0][0][0];
2348
s->mv[0][0][1] = best_s.mv[0][0][1];
2349
s->mv[1][0][0] = best_s.mv[1][0][0];
2350
s->mv[1][0][1] = best_s.mv[1][0][1];
2352
qpi = s->pict_type == FF_B_TYPE ? 2 : 0;
2353
for(; qpi<4; qpi++){
2354
int dquant= dquant_tab[qpi];
2355
qp= last_qp + dquant;
2356
if(qp < s->avctx->qmin || qp > s->avctx->qmax)
2358
backup_s.dquant= dquant;
2359
if(s->mb_intra && s->dc_val[0]){
2361
dc[i]= s->dc_val[0][ s->block_index[i] ];
2362
memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
2366
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2367
&dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
2368
if(best_s.qscale != qp){
2369
if(s->mb_intra && s->dc_val[0]){
2371
s->dc_val[0][ s->block_index[i] ]= dc[i];
2372
memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);
2379
if(ENABLE_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
2380
int mx= s->b_direct_mv_table[xy][0];
2381
int my= s->b_direct_mv_table[xy][1];
2383
backup_s.dquant = 0;
2384
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2386
ff_mpeg4_set_direct_mv(s, mx, my);
2387
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2388
&dmin, &next_block, mx, my);
2390
if(ENABLE_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
2391
backup_s.dquant = 0;
2392
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
2394
ff_mpeg4_set_direct_mv(s, 0, 0);
2395
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
2396
&dmin, &next_block, 0, 0);
2398
if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
2401
coded |= s->block_last_index[i];
2404
memcpy(s->mv, best_s.mv, sizeof(s->mv));
2405
if(ENABLE_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
2406
mx=my=0; //FIXME find the one we actually used
2407
ff_mpeg4_set_direct_mv(s, mx, my);
2408
}else if(best_s.mv_dir&MV_DIR_BACKWARD){
2416
s->mv_dir= best_s.mv_dir;
2417
s->mv_type = best_s.mv_type;
2419
/* s->mv[0][0][0] = best_s.mv[0][0][0];
2420
s->mv[0][0][1] = best_s.mv[0][0][1];
2421
s->mv[1][0][0] = best_s.mv[1][0][0];
2422
s->mv[1][0][1] = best_s.mv[1][0][1];*/
2425
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
2426
&dmin, &next_block, mx, my);
2431
s->current_picture.qscale_table[xy]= best_s.qscale;
2433
copy_context_after_encode(s, &best_s, -1);
2435
pb_bits_count= put_bits_count(&s->pb);
2436
flush_put_bits(&s->pb);
2437
ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
2440
if(s->data_partitioning){
2441
pb2_bits_count= put_bits_count(&s->pb2);
2442
flush_put_bits(&s->pb2);
2443
ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
2444
s->pb2= backup_s.pb2;
2446
tex_pb_bits_count= put_bits_count(&s->tex_pb);
2447
flush_put_bits(&s->tex_pb);
2448
ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
2449
s->tex_pb= backup_s.tex_pb;
2451
s->last_bits= put_bits_count(&s->pb);
2453
if (ENABLE_ANY_H263_ENCODER &&
2454
s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2455
ff_h263_update_motion_val(s);
2457
if(next_block==0){ //FIXME 16 vs linesize16
2458
s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
2459
s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
2460
s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
2463
if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
2464
MPV_decode_mb(s, s->block);
2466
int motion_x = 0, motion_y = 0;
2467
s->mv_type=MV_TYPE_16X16;
2468
// only one MB-Type possible
2471
case CANDIDATE_MB_TYPE_INTRA:
2474
motion_x= s->mv[0][0][0] = 0;
2475
motion_y= s->mv[0][0][1] = 0;
2477
case CANDIDATE_MB_TYPE_INTER:
2478
s->mv_dir = MV_DIR_FORWARD;
2480
motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
2481
motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
2483
case CANDIDATE_MB_TYPE_INTER_I:
2484
s->mv_dir = MV_DIR_FORWARD;
2485
s->mv_type = MV_TYPE_FIELD;
2488
j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2489
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2490
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2493
case CANDIDATE_MB_TYPE_INTER4V:
2494
s->mv_dir = MV_DIR_FORWARD;
2495
s->mv_type = MV_TYPE_8X8;
2498
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2499
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2502
case CANDIDATE_MB_TYPE_DIRECT:
2503
if (ENABLE_MPEG4_ENCODER) {
2504
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2506
motion_x=s->b_direct_mv_table[xy][0];
2507
motion_y=s->b_direct_mv_table[xy][1];
2508
ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
2511
case CANDIDATE_MB_TYPE_DIRECT0:
2512
if (ENABLE_MPEG4_ENCODER) {
2513
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
2515
ff_mpeg4_set_direct_mv(s, 0, 0);
2518
case CANDIDATE_MB_TYPE_BIDIR:
2519
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2521
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
2522
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
2523
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
2524
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
2526
case CANDIDATE_MB_TYPE_BACKWARD:
2527
s->mv_dir = MV_DIR_BACKWARD;
2529
motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
2530
motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
2532
case CANDIDATE_MB_TYPE_FORWARD:
2533
s->mv_dir = MV_DIR_FORWARD;
2535
motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
2536
motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
2537
// printf(" %d %d ", motion_x, motion_y);
2539
case CANDIDATE_MB_TYPE_FORWARD_I:
2540
s->mv_dir = MV_DIR_FORWARD;
2541
s->mv_type = MV_TYPE_FIELD;
2544
j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
2545
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
2546
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
2549
case CANDIDATE_MB_TYPE_BACKWARD_I:
2550
s->mv_dir = MV_DIR_BACKWARD;
2551
s->mv_type = MV_TYPE_FIELD;
2554
j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
2555
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
2556
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
2559
case CANDIDATE_MB_TYPE_BIDIR_I:
2560
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
2561
s->mv_type = MV_TYPE_FIELD;
2563
for(dir=0; dir<2; dir++){
2565
j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
2566
s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
2567
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
2572
av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
2575
encode_mb(s, motion_x, motion_y);
2577
// RAL: Update last macroblock type
2578
s->last_mv_dir = s->mv_dir;
2580
if (ENABLE_ANY_H263_ENCODER &&
2581
s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
2582
ff_h263_update_motion_val(s);
2584
MPV_decode_mb(s, s->block);
2587
/* clean the MV table in IPS frames for direct mode in B frames */
2588
if(s->mb_intra /* && I,P,S_TYPE */){
2589
s->p_mv_table[xy][0]=0;
2590
s->p_mv_table[xy][1]=0;
2593
if(s->flags&CODEC_FLAG_PSNR){
2597
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2598
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2600
s->current_picture.error[0] += sse(
2601
s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
2602
s->dest[0], w, h, s->linesize);
2603
s->current_picture.error[1] += sse(
2604
s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2605
s->dest[1], w>>1, h>>1, s->uvlinesize);
2606
s->current_picture.error[2] += sse(
2607
s, s->new_picture .data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,
2608
s->dest[2], w>>1, h>>1, s->uvlinesize);
2611
if(ENABLE_ANY_H263_ENCODER && s->out_format == FMT_H263)
2612
ff_h263_loop_filter(s);
2614
//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
2618
//not beautiful here but we must write it before flushing so it has to be here
2619
if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE)
2620
msmpeg4_encode_ext_header(s);
2624
/* Send the last GOB if RTP */
2625
if (s->avctx->rtp_callback) {
2626
int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
2627
pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
2628
/* Call the RTP callback to send the last GOB */
2630
s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
2636
#define MERGE(field) dst->field += src->field; src->field=0
2637
static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
2638
MERGE(me.scene_change_score);
2639
MERGE(me.mc_mb_var_sum_temp);
2640
MERGE(me.mb_var_sum_temp);
2643
static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
2646
MERGE(dct_count[0]); //note, the other dct vars are not part of the context
2647
MERGE(dct_count[1]);
2657
MERGE(padding_bug_score);
2658
MERGE(current_picture.error[0]);
2659
MERGE(current_picture.error[1]);
2660
MERGE(current_picture.error[2]);
2662
if(dst->avctx->noise_reduction){
2663
for(i=0; i<64; i++){
2664
MERGE(dct_error_sum[0][i]);
2665
MERGE(dct_error_sum[1][i]);
2669
assert(put_bits_count(&src->pb) % 8 ==0);
2670
assert(put_bits_count(&dst->pb) % 8 ==0);
2671
ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
2672
flush_put_bits(&dst->pb);
2675
static int estimate_qp(MpegEncContext *s, int dry_run){
2676
if (s->next_lambda){
2677
s->current_picture_ptr->quality=
2678
s->current_picture.quality = s->next_lambda;
2679
if(!dry_run) s->next_lambda= 0;
2680
} else if (!s->fixed_qscale) {
2681
s->current_picture_ptr->quality=
2682
s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
2683
if (s->current_picture.quality < 0)
2687
if(s->adaptive_quant){
2688
switch(s->codec_id){
2689
case CODEC_ID_MPEG4:
2690
if (ENABLE_MPEG4_ENCODER)
2691
ff_clean_mpeg4_qscales(s);
2694
case CODEC_ID_H263P:
2696
if (ENABLE_H263_ENCODER||ENABLE_H263P_ENCODER||ENABLE_FLV_ENCODER)
2697
ff_clean_h263_qscales(s);
2701
s->lambda= s->lambda_table[0];
2704
s->lambda= s->current_picture.quality;
2705
//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
2710
/* must be called before writing the header */
2711
static void set_frame_distances(MpegEncContext * s){
2712
assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
2713
s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
2715
if(s->pict_type==FF_B_TYPE){
2716
s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
2717
assert(s->pb_time > 0 && s->pb_time < s->pp_time);
2719
s->pp_time= s->time - s->last_non_b_time;
2720
s->last_non_b_time= s->time;
2721
assert(s->picture_number==0 || s->pp_time > 0);
2725
static int encode_picture(MpegEncContext *s, int picture_number)
2730
s->picture_number = picture_number;
2732
/* Reset the average MB variance */
2733
s->me.mb_var_sum_temp =
2734
s->me.mc_mb_var_sum_temp = 0;
2736
/* we need to initialize some time vars before we can encode b-frames */
2737
// RAL: Condition added for MPEG1VIDEO
2738
if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
2739
set_frame_distances(s);
2740
if(ENABLE_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
2741
ff_set_mpeg4_time(s);
2743
s->me.scene_change_score=0;
2745
// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
2747
if(s->pict_type==FF_I_TYPE){
2748
if(s->msmpeg4_version >= 3) s->no_rounding=1;
2749
else s->no_rounding=0;
2750
}else if(s->pict_type!=FF_B_TYPE){
2751
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
2752
s->no_rounding ^= 1;
2755
if(s->flags & CODEC_FLAG_PASS2){
2756
if (estimate_qp(s,1) < 0)
2758
ff_get_2pass_fcode(s);
2759
}else if(!(s->flags & CODEC_FLAG_QSCALE)){
2760
if(s->pict_type==FF_B_TYPE)
2761
s->lambda= s->last_lambda_for[s->pict_type];
2763
s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
2767
s->mb_intra=0; //for the rate distortion & bit compare functions
2768
for(i=1; i<s->avctx->thread_count; i++){
2769
ff_update_duplicate_context(s->thread_context[i], s);
2774
/* Estimate motion for every MB */
2775
if(s->pict_type != FF_I_TYPE){
2776
s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
2777
s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
2778
if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){
2779
if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
2780
s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2784
s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2785
}else /* if(s->pict_type == FF_I_TYPE) */{
2787
for(i=0; i<s->mb_stride*s->mb_height; i++)
2788
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2790
if(!s->fixed_qscale){
2791
/* finding spatial complexity for I-frame rate control */
2792
s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2795
for(i=1; i<s->avctx->thread_count; i++){
2796
merge_context_after_me(s, s->thread_context[i]);
2798
s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
2799
s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
2802
if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == FF_P_TYPE){
2803
s->pict_type= FF_I_TYPE;
2804
for(i=0; i<s->mb_stride*s->mb_height; i++)
2805
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
2806
//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
2810
if(s->pict_type==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
2811
s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
2813
if(s->flags & CODEC_FLAG_INTERLACED_ME){
2815
a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
2816
b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
2817
s->f_code= FFMAX3(s->f_code, a, b);
2820
ff_fix_long_p_mvs(s);
2821
ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
2822
if(s->flags & CODEC_FLAG_INTERLACED_ME){
2826
ff_fix_long_mvs(s, s->p_field_select_table[i], j,
2827
s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
2832
if(s->pict_type==FF_B_TYPE){
2835
a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
2836
b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2837
s->f_code = FFMAX(a, b);
2839
a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
2840
b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
2841
s->b_code = FFMAX(a, b);
2843
ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
2844
ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
2845
ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2846
ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
2847
if(s->flags & CODEC_FLAG_INTERLACED_ME){
2849
for(dir=0; dir<2; dir++){
2852
int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
2853
: (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
2854
ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
2855
s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
2863
if (estimate_qp(s, 0) < 0)
2866
if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==FF_I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
2867
s->qscale= 3; //reduce clipping problems
2869
if (s->out_format == FMT_MJPEG) {
2870
/* for mjpeg, we do include qscale in the matrix */
2871
s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
2873
int j= s->dsp.idct_permutation[i];
2875
s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
2877
ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
2878
s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
2882
//FIXME var duplication
2883
s->current_picture_ptr->key_frame=
2884
s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
2885
s->current_picture_ptr->pict_type=
2886
s->current_picture.pict_type= s->pict_type;
2888
if(s->current_picture.key_frame)
2889
s->picture_in_gop_number=0;
2891
s->last_bits= put_bits_count(&s->pb);
2892
switch(s->out_format) {
2894
if (ENABLE_MJPEG_ENCODER)
2895
ff_mjpeg_encode_picture_header(s);
2898
if (ENABLE_H261_ENCODER)
2899
ff_h261_encode_picture_header(s, picture_number);
2902
if (ENABLE_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
2903
ff_wmv2_encode_picture_header(s, picture_number);
2904
else if (ENABLE_MSMPEG4_ENCODER && s->h263_msmpeg4)
2905
msmpeg4_encode_picture_header(s, picture_number);
2906
else if (ENABLE_MPEG4_ENCODER && s->h263_pred)
2907
mpeg4_encode_picture_header(s, picture_number);
2908
else if (ENABLE_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
2909
rv10_encode_picture_header(s, picture_number);
2910
else if (ENABLE_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
2911
rv20_encode_picture_header(s, picture_number);
2912
else if (ENABLE_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
2913
ff_flv_encode_picture_header(s, picture_number);
2914
else if (ENABLE_ANY_H263_ENCODER)
2915
h263_encode_picture_header(s, picture_number);
2918
if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
2919
mpeg1_encode_picture_header(s, picture_number);
2926
bits= put_bits_count(&s->pb);
2927
s->header_bits= bits - s->last_bits;
2929
for(i=1; i<s->avctx->thread_count; i++){
2930
update_duplicate_context_after_me(s->thread_context[i], s);
2932
s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
2933
for(i=1; i<s->avctx->thread_count; i++){
2934
merge_context_after_encode(s, s->thread_context[i]);
2940
void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
2941
const int intra= s->mb_intra;
2944
s->dct_count[intra]++;
2946
for(i=0; i<64; i++){
2947
int level= block[i];
2951
s->dct_error_sum[intra][i] += level;
2952
level -= s->dct_offset[intra][i];
2953
if(level<0) level=0;
2955
s->dct_error_sum[intra][i] -= level;
2956
level += s->dct_offset[intra][i];
2957
if(level>0) level=0;
2964
int dct_quantize_trellis_c(MpegEncContext *s,
2965
DCTELEM *block, int n,
2966
int qscale, int *overflow){
2968
const uint8_t *scantable= s->intra_scantable.scantable;
2969
const uint8_t *perm_scantable= s->intra_scantable.permutated;
2971
unsigned int threshold1, threshold2;
2983
int coeff_count[64];
2984
int qmul, qadd, start_i, last_non_zero, i, dc;
2985
const int esc_length= s->ac_esc_length;
2987
uint8_t * last_length;
2988
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
2990
s->dsp.fdct (block);
2992
if(s->dct_error_sum)
2993
s->denoise_dct(s, block);
2995
qadd= ((qscale-1)|1)*8;
3006
/* For AIC we skip quant/dequant of INTRADC */
3011
/* note: block[0] is assumed to be positive */
3012
block[0] = (block[0] + (q >> 1)) / q;
3015
qmat = s->q_intra_matrix[qscale];
3016
if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3017
bias= 1<<(QMAT_SHIFT-1);
3018
length = s->intra_ac_vlc_length;
3019
last_length= s->intra_ac_vlc_last_length;
3023
qmat = s->q_inter_matrix[qscale];
3024
length = s->inter_ac_vlc_length;
3025
last_length= s->inter_ac_vlc_last_length;
3029
threshold1= (1<<QMAT_SHIFT) - bias - 1;
3030
threshold2= (threshold1<<1);
3032
for(i=63; i>=start_i; i--) {
3033
const int j = scantable[i];
3034
int level = block[j] * qmat[j];
3036
if(((unsigned)(level+threshold1))>threshold2){
3042
for(i=start_i; i<=last_non_zero; i++) {
3043
const int j = scantable[i];
3044
int level = block[j] * qmat[j];
3046
// if( bias+level >= (1<<(QMAT_SHIFT - 3))
3047
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
3048
if(((unsigned)(level+threshold1))>threshold2){
3050
level= (bias + level)>>QMAT_SHIFT;
3052
coeff[1][i]= level-1;
3053
// coeff[2][k]= level-2;
3055
level= (bias - level)>>QMAT_SHIFT;
3056
coeff[0][i]= -level;
3057
coeff[1][i]= -level+1;
3058
// coeff[2][k]= -level+2;
3060
coeff_count[i]= FFMIN(level, 2);
3061
assert(coeff_count[i]);
3064
coeff[0][i]= (level>>31)|1;
3069
*overflow= s->max_qcoeff < max; //overflow might have happened
3071
if(last_non_zero < start_i){
3072
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3073
return last_non_zero;
3076
score_tab[start_i]= 0;
3077
survivor[0]= start_i;
3080
for(i=start_i; i<=last_non_zero; i++){
3081
int level_index, j, zero_distortion;
3082
int dct_coeff= FFABS(block[ scantable[i] ]);
3083
int best_score=256*256*256*120;
3085
if ( s->dsp.fdct == fdct_ifast
3086
#ifndef FAAN_POSTSCALE
3087
|| s->dsp.fdct == ff_faandct
3090
dct_coeff= (dct_coeff*inv_aanscales[ scantable[i] ]) >> 12;
3091
zero_distortion= dct_coeff*dct_coeff;
3093
for(level_index=0; level_index < coeff_count[i]; level_index++){
3095
int level= coeff[level_index][i];
3096
const int alevel= FFABS(level);
3101
if(s->out_format == FMT_H263){
3102
unquant_coeff= alevel*qmul + qadd;
3104
j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
3106
unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3107
unquant_coeff = (unquant_coeff - 1) | 1;
3109
unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3110
unquant_coeff = (unquant_coeff - 1) | 1;
3115
distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
3117
if((level&(~127)) == 0){
3118
for(j=survivor_count-1; j>=0; j--){
3119
int run= i - survivor[j];
3120
int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3121
score += score_tab[i-run];
3123
if(score < best_score){
3126
level_tab[i+1]= level-64;
3130
if(s->out_format == FMT_H263){
3131
for(j=survivor_count-1; j>=0; j--){
3132
int run= i - survivor[j];
3133
int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3134
score += score_tab[i-run];
3135
if(score < last_score){
3138
last_level= level-64;
3144
distortion += esc_length*lambda;
3145
for(j=survivor_count-1; j>=0; j--){
3146
int run= i - survivor[j];
3147
int score= distortion + score_tab[i-run];
3149
if(score < best_score){
3152
level_tab[i+1]= level-64;
3156
if(s->out_format == FMT_H263){
3157
for(j=survivor_count-1; j>=0; j--){
3158
int run= i - survivor[j];
3159
int score= distortion + score_tab[i-run];
3160
if(score < last_score){
3163
last_level= level-64;
3171
score_tab[i+1]= best_score;
3173
//Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3174
if(last_non_zero <= 27){
3175
for(; survivor_count; survivor_count--){
3176
if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3180
for(; survivor_count; survivor_count--){
3181
if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3186
survivor[ survivor_count++ ]= i+1;
3189
if(s->out_format != FMT_H263){
3190
last_score= 256*256*256*120;
3191
for(i= survivor[0]; i<=last_non_zero + 1; i++){
3192
int score= score_tab[i];
3193
if(i) score += lambda*2; //FIXME exacter?
3195
if(score < last_score){
3198
last_level= level_tab[i];
3199
last_run= run_tab[i];
3204
s->coded_score[n] = last_score;
3206
dc= FFABS(block[0]);
3207
last_non_zero= last_i - 1;
3208
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
3210
if(last_non_zero < start_i)
3211
return last_non_zero;
3213
if(last_non_zero == 0 && start_i == 0){
3215
int best_score= dc * dc;
3217
for(i=0; i<coeff_count[0]; i++){
3218
int level= coeff[i][0];
3219
int alevel= FFABS(level);
3220
int unquant_coeff, score, distortion;
3222
if(s->out_format == FMT_H263){
3223
unquant_coeff= (alevel*qmul + qadd)>>3;
3225
unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
3226
unquant_coeff = (unquant_coeff - 1) | 1;
3228
unquant_coeff = (unquant_coeff + 4) >> 3;
3229
unquant_coeff<<= 3 + 3;
3231
distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
3233
if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
3234
else score= distortion + esc_length*lambda;
3236
if(score < best_score){
3238
best_level= level - 64;
3241
block[0]= best_level;
3242
s->coded_score[n] = best_score - dc*dc;
3243
if(best_level == 0) return -1;
3244
else return last_non_zero;
3250
block[ perm_scantable[last_non_zero] ]= last_level;
3253
for(; i>start_i; i -= run_tab[i] + 1){
3254
block[ perm_scantable[i-1] ]= level_tab[i];
3257
return last_non_zero;
3260
//#define REFINE_STATS 1
3261
static int16_t basis[64][64];
3263
static void build_basis(uint8_t *perm){
3270
double s= 0.25*(1<<BASIS_SHIFT);
3272
int perm_index= perm[index];
3273
if(i==0) s*= sqrt(0.5);
3274
if(j==0) s*= sqrt(0.5);
3275
basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5)));
3282
static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
3283
DCTELEM *block, int16_t *weight, DCTELEM *orig,
3286
DECLARE_ALIGNED_16(DCTELEM, d1[64]);
3288
const uint8_t *scantable= s->intra_scantable.scantable;
3289
const uint8_t *perm_scantable= s->intra_scantable.permutated;
3290
// unsigned int threshold1, threshold2;
3295
int qmul, qadd, start_i, last_non_zero, i, dc;
3297
uint8_t * last_length;
3299
int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
3302
static int after_last=0;
3303
static int to_zero=0;
3304
static int from_zero=0;
3307
static int messed_sign=0;
3310
if(basis[0][0] == 0)
3311
build_basis(s->dsp.idct_permutation);
3322
/* For AIC we skip quant/dequant of INTRADC */
3326
q <<= RECON_SHIFT-3;
3327
/* note: block[0] is assumed to be positive */
3329
// block[0] = (block[0] + (q >> 1)) / q;
3331
qmat = s->q_intra_matrix[qscale];
3332
// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3333
// bias= 1<<(QMAT_SHIFT-1);
3334
length = s->intra_ac_vlc_length;
3335
last_length= s->intra_ac_vlc_last_length;
3339
qmat = s->q_inter_matrix[qscale];
3340
length = s->inter_ac_vlc_length;
3341
last_length= s->inter_ac_vlc_last_length;
3343
last_non_zero = s->block_last_index[n];
3348
dc += (1<<(RECON_SHIFT-1));
3349
for(i=0; i<64; i++){
3350
rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
3353
STOP_TIMER("memset rem[]")}
3356
for(i=0; i<64; i++){
3361
w= FFABS(weight[i]) + qns*one;
3362
w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
3365
// w=weight[i] = (63*qns + (w/2)) / w;
3371
lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
3377
for(i=start_i; i<=last_non_zero; i++){
3378
int j= perm_scantable[i];
3379
const int level= block[j];
3383
if(level<0) coeff= qmul*level - qadd;
3384
else coeff= qmul*level + qadd;
3385
run_tab[rle_index++]=run;
3388
s->dsp.add_8x8basis(rem, basis[j], coeff);
3394
if(last_non_zero>0){
3395
STOP_TIMER("init rem[]")
3402
int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
3405
int run2, best_unquant_change=0, analyze_gradient;
3409
analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
3411
if(analyze_gradient){
3415
for(i=0; i<64; i++){
3418
d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
3421
STOP_TIMER("rem*w*w")}
3431
const int level= block[0];
3432
int change, old_coeff;
3434
assert(s->mb_intra);
3438
for(change=-1; change<=1; change+=2){
3439
int new_level= level + change;
3440
int score, new_coeff;
3442
new_coeff= q*new_level;
3443
if(new_coeff >= 2048 || new_coeff < 0)
3446
score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
3447
if(score<best_score){
3450
best_change= change;
3451
best_unquant_change= new_coeff - old_coeff;
3458
run2= run_tab[rle_index++];
3462
for(i=start_i; i<64; i++){
3463
int j= perm_scantable[i];
3464
const int level= block[j];
3465
int change, old_coeff;
3467
if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
3471
if(level<0) old_coeff= qmul*level - qadd;
3472
else old_coeff= qmul*level + qadd;
3473
run2= run_tab[rle_index++]; //FIXME ! maybe after last
3477
assert(run2>=0 || i >= last_non_zero );
3480
for(change=-1; change<=1; change+=2){
3481
int new_level= level + change;
3482
int score, new_coeff, unquant_change;
3485
if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
3489
if(new_level<0) new_coeff= qmul*new_level - qadd;
3490
else new_coeff= qmul*new_level + qadd;
3491
if(new_coeff >= 2048 || new_coeff <= -2048)
3493
//FIXME check for overflow
3496
if(level < 63 && level > -63){
3497
if(i < last_non_zero)
3498
score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
3499
- length[UNI_AC_ENC_INDEX(run, level+64)];
3501
score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
3502
- last_length[UNI_AC_ENC_INDEX(run, level+64)];
3505
assert(FFABS(new_level)==1);
3507
if(analyze_gradient){
3508
int g= d1[ scantable[i] ];
3509
if(g && (g^new_level) >= 0)
3513
if(i < last_non_zero){
3514
int next_i= i + run2 + 1;
3515
int next_level= block[ perm_scantable[next_i] ] + 64;
3517
if(next_level&(~127))
3520
if(next_i < last_non_zero)
3521
score += length[UNI_AC_ENC_INDEX(run, 65)]
3522
+ length[UNI_AC_ENC_INDEX(run2, next_level)]
3523
- length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3525
score += length[UNI_AC_ENC_INDEX(run, 65)]
3526
+ last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3527
- last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
3529
score += last_length[UNI_AC_ENC_INDEX(run, 65)];
3531
score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3532
- last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3538
assert(FFABS(level)==1);
3540
if(i < last_non_zero){
3541
int next_i= i + run2 + 1;
3542
int next_level= block[ perm_scantable[next_i] ] + 64;
3544
if(next_level&(~127))
3547
if(next_i < last_non_zero)
3548
score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3549
- length[UNI_AC_ENC_INDEX(run2, next_level)]
3550
- length[UNI_AC_ENC_INDEX(run, 65)];
3552
score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
3553
- last_length[UNI_AC_ENC_INDEX(run2, next_level)]
3554
- length[UNI_AC_ENC_INDEX(run, 65)];
3556
score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
3558
score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
3559
- length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
3566
unquant_change= new_coeff - old_coeff;
3567
assert((score < 100*lambda && score > -100*lambda) || lambda==0);
3569
score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
3570
if(score<best_score){
3573
best_change= change;
3574
best_unquant_change= unquant_change;
3578
prev_level= level + 64;
3579
if(prev_level&(~127))
3588
STOP_TIMER("iterative step")}
3592
int j= perm_scantable[ best_coeff ];
3594
block[j] += best_change;
3596
if(best_coeff > last_non_zero){
3597
last_non_zero= best_coeff;
3605
if(block[j] - best_change){
3606
if(FFABS(block[j]) > FFABS(block[j] - best_change)){
3618
for(; last_non_zero>=start_i; last_non_zero--){
3619
if(block[perm_scantable[last_non_zero]])
3625
if(256*256*256*64 % count == 0){
3626
printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
3631
for(i=start_i; i<=last_non_zero; i++){
3632
int j= perm_scantable[i];
3633
const int level= block[j];
3636
run_tab[rle_index++]=run;
3643
s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
3649
if(last_non_zero>0){
3650
STOP_TIMER("iterative search")
3655
return last_non_zero;
3658
int dct_quantize_c(MpegEncContext *s,
3659
DCTELEM *block, int n,
3660
int qscale, int *overflow)
3662
int i, j, level, last_non_zero, q, start_i;
3664
const uint8_t *scantable= s->intra_scantable.scantable;
3667
unsigned int threshold1, threshold2;
3669
s->dsp.fdct (block);
3671
if(s->dct_error_sum)
3672
s->denoise_dct(s, block);
3682
/* For AIC we skip quant/dequant of INTRADC */
3685
/* note: block[0] is assumed to be positive */
3686
block[0] = (block[0] + (q >> 1)) / q;
3689
qmat = s->q_intra_matrix[qscale];
3690
bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3694
qmat = s->q_inter_matrix[qscale];
3695
bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
3697
threshold1= (1<<QMAT_SHIFT) - bias - 1;
3698
threshold2= (threshold1<<1);
3699
for(i=63;i>=start_i;i--) {
3701
level = block[j] * qmat[j];
3703
if(((unsigned)(level+threshold1))>threshold2){
3710
for(i=start_i; i<=last_non_zero; i++) {
3712
level = block[j] * qmat[j];
3714
// if( bias+level >= (1<<QMAT_SHIFT)
3715
// || bias-level >= (1<<QMAT_SHIFT)){
3716
if(((unsigned)(level+threshold1))>threshold2){
3718
level= (bias + level)>>QMAT_SHIFT;
3721
level= (bias - level)>>QMAT_SHIFT;
3729
*overflow= s->max_qcoeff < max; //overflow might have happened
3731
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
3732
if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
3733
ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
3735
return last_non_zero;
3738
AVCodec h263_encoder = {
3742
sizeof(MpegEncContext),
3746
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3747
.long_name= "H.263",
3750
AVCodec h263p_encoder = {
3754
sizeof(MpegEncContext),
3758
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3759
.long_name= "H.263+ / H.263 version 2",
3762
AVCodec flv_encoder = {
3766
sizeof(MpegEncContext),
3770
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3771
.long_name= "Flash Video",
3774
AVCodec rv10_encoder = {
3778
sizeof(MpegEncContext),
3782
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3783
.long_name= "RealVideo 1.0",
3786
AVCodec rv20_encoder = {
3790
sizeof(MpegEncContext),
3794
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3795
.long_name= "RealVideo 2.0",
3798
AVCodec mpeg4_encoder = {
3802
sizeof(MpegEncContext),
3806
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3807
.capabilities= CODEC_CAP_DELAY,
3808
.long_name= "MPEG-4 part 2",
3811
AVCodec msmpeg4v1_encoder = {
3815
sizeof(MpegEncContext),
3819
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3820
.long_name= "MPEG-4 part 2 Microsoft variant version 1",
3823
AVCodec msmpeg4v2_encoder = {
3827
sizeof(MpegEncContext),
3831
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3832
.long_name= "MPEG-4 part 2 Microsoft variant version 2",
3835
AVCodec msmpeg4v3_encoder = {
3839
sizeof(MpegEncContext),
3843
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3844
.long_name= "MPEG-4 part 2 Microsoft variant version 3",
3847
AVCodec wmv1_encoder = {
3851
sizeof(MpegEncContext),
3855
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
3856
.long_name= "Windows Media Video 7",
added
removed
ffmpeg/libavcodec/mpegvideo_enc.c
