2 * The simplest mpeg encoder (well, it was the simplest!)
3 * Copyright (c) 2000,2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
8 * This file is part of FFmpeg.
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 * The simplest mpeg encoder (well, it was the simplest!).
32 #include "libavutil/internal.h"
33 #include "libavutil/intmath.h"
34 #include "libavutil/mathematics.h"
35 #include "libavutil/pixdesc.h"
36 #include "libavutil/opt.h"
37 #include "libavutil/timer.h"
42 #include "mpegvideo.h"
45 #include "mjpegenc_common.h"
47 #include "mpegutils.h"
50 #include "pixblockdsp.h"
54 #include "aandcttab.h"
56 #include "mpeg4video.h"
58 #include "bytestream.h"
62 #define QUANT_BIAS_SHIFT 8
64 #define QMAT_SHIFT_MMX 16
67 static int encode_picture(MpegEncContext *s, int picture_number);
68 static int dct_quantize_refine(MpegEncContext *s, int16_t *block, int16_t *weight, int16_t *orig, int n, int qscale);
69 static int sse_mb(MpegEncContext *s);
70 static void denoise_dct_c(MpegEncContext *s, int16_t *block);
71 static int dct_quantize_trellis_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow);
73 static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_MV * 2 + 1];
74 static uint8_t default_fcode_tab[MAX_MV * 2 + 1];
76 const AVOption ff_mpv_generic_options[] = {
81 void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64],
82 uint16_t (*qmat16)[2][64],
83 const uint16_t *quant_matrix,
84 int bias, int qmin, int qmax, int intra)
86 FDCTDSPContext *fdsp = &s->fdsp;
90 for (qscale = qmin; qscale <= qmax; qscale++) {
92 if (fdsp->fdct == ff_jpeg_fdct_islow_8 ||
94 fdsp->fdct == ff_faandct ||
95 #endif /* CONFIG_FAANDCT */
96 fdsp->fdct == ff_jpeg_fdct_islow_10) {
97 for (i = 0; i < 64; i++) {
98 const int j = s->idsp.idct_permutation[i];
99 int64_t den = (int64_t) qscale * quant_matrix[j];
100 /* 16 <= qscale * quant_matrix[i] <= 7905
101 * Assume x = ff_aanscales[i] * qscale * quant_matrix[i]
102 * 19952 <= x <= 249205026
103 * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026
104 * 3444240 >= (1 << 36) / (x) >= 275 */
106 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / den);
108 } else if (fdsp->fdct == ff_fdct_ifast) {
109 for (i = 0; i < 64; i++) {
110 const int j = s->idsp.idct_permutation[i];
111 int64_t den = ff_aanscales[i] * (int64_t) qscale * quant_matrix[j];
112 /* 16 <= qscale * quant_matrix[i] <= 7905
113 * Assume x = ff_aanscales[i] * qscale * quant_matrix[i]
114 * 19952 <= x <= 249205026
115 * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026
116 * 3444240 >= (1 << 36) / (x) >= 275 */
118 qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) / den);
121 for (i = 0; i < 64; i++) {
122 const int j = s->idsp.idct_permutation[i];
123 int64_t den = (int64_t) qscale * quant_matrix[j];
124 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
125 * Assume x = qscale * quant_matrix[i]
127 * so (1 << 19) / 16 >= (1 << 19) / (x) >= (1 << 19) / 7905
128 * so 32768 >= (1 << 19) / (x) >= 67 */
129 qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / den);
130 //qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) /
131 // (qscale * quant_matrix[i]);
132 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / den;
134 if (qmat16[qscale][0][i] == 0 ||
135 qmat16[qscale][0][i] == 128 * 256)
136 qmat16[qscale][0][i] = 128 * 256 - 1;
137 qmat16[qscale][1][i] =
138 ROUNDED_DIV(bias << (16 - QUANT_BIAS_SHIFT),
139 qmat16[qscale][0][i]);
143 for (i = intra; i < 64; i++) {
145 if (fdsp->fdct == ff_fdct_ifast) {
146 max = (8191LL * ff_aanscales[i]) >> 14;
148 while (((max * qmat[qscale][i]) >> shift) > INT_MAX) {
154 av_log(NULL, AV_LOG_INFO,
155 "Warning, QMAT_SHIFT is larger than %d, overflows possible\n",
160 static inline void update_qscale(MpegEncContext *s)
162 s->qscale = (s->lambda * 139 + FF_LAMBDA_SCALE * 64) >>
163 (FF_LAMBDA_SHIFT + 7);
164 s->qscale = av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
166 s->lambda2 = (s->lambda * s->lambda + FF_LAMBDA_SCALE / 2) >>
170 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix)
176 for (i = 0; i < 64; i++) {
177 put_bits(pb, 8, matrix[ff_zigzag_direct[i]]);
184 * init s->current_picture.qscale_table from s->lambda_table
186 void ff_init_qscale_tab(MpegEncContext *s)
188 int8_t * const qscale_table = s->current_picture.qscale_table;
191 for (i = 0; i < s->mb_num; i++) {
192 unsigned int lam = s->lambda_table[s->mb_index2xy[i]];
193 int qp = (lam * 139 + FF_LAMBDA_SCALE * 64) >> (FF_LAMBDA_SHIFT + 7);
194 qscale_table[s->mb_index2xy[i]] = av_clip(qp, s->avctx->qmin,
199 static void update_duplicate_context_after_me(MpegEncContext *dst,
202 #define COPY(a) dst->a= src->a
204 COPY(current_picture);
210 COPY(picture_in_gop_number);
211 COPY(gop_picture_number);
212 COPY(frame_pred_frame_dct); // FIXME don't set in encode_header
213 COPY(progressive_frame); // FIXME don't set in encode_header
214 COPY(partitioned_frame); // FIXME don't set in encode_header
219 * Set the given MpegEncContext to defaults for encoding.
220 * the changed fields will not depend upon the prior state of the MpegEncContext.
222 static void mpv_encode_defaults(MpegEncContext *s)
225 ff_mpv_common_defaults(s);
227 for (i = -16; i < 16; i++) {
228 default_fcode_tab[i + MAX_MV] = 1;
230 s->me.mv_penalty = default_mv_penalty;
231 s->fcode_tab = default_fcode_tab;
233 s->input_picture_number = 0;
234 s->picture_in_gop_number = 0;
237 av_cold int ff_dct_encode_init(MpegEncContext *s) {
239 ff_dct_encode_init_x86(s);
241 if (CONFIG_H263_ENCODER)
242 ff_h263dsp_init(&s->h263dsp);
243 if (!s->dct_quantize)
244 s->dct_quantize = ff_dct_quantize_c;
246 s->denoise_dct = denoise_dct_c;
247 s->fast_dct_quantize = s->dct_quantize;
248 if (s->avctx->trellis)
249 s->dct_quantize = dct_quantize_trellis_c;
254 /* init video encoder */
255 av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
257 MpegEncContext *s = avctx->priv_data;
258 int i, ret, format_supported;
260 mpv_encode_defaults(s);
262 switch (avctx->codec_id) {
263 case AV_CODEC_ID_MPEG2VIDEO:
264 if (avctx->pix_fmt != AV_PIX_FMT_YUV420P &&
265 avctx->pix_fmt != AV_PIX_FMT_YUV422P) {
266 av_log(avctx, AV_LOG_ERROR,
267 "only YUV420 and YUV422 are supported\n");
271 case AV_CODEC_ID_MJPEG:
272 case AV_CODEC_ID_AMV:
273 format_supported = 0;
274 /* JPEG color space */
275 if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
276 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
277 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
278 (avctx->color_range == AVCOL_RANGE_JPEG &&
279 (avctx->pix_fmt == AV_PIX_FMT_YUV420P ||
280 avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
281 avctx->pix_fmt == AV_PIX_FMT_YUV444P)))
282 format_supported = 1;
283 /* MPEG color space */
284 else if (avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL &&
285 (avctx->pix_fmt == AV_PIX_FMT_YUV420P ||
286 avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
287 avctx->pix_fmt == AV_PIX_FMT_YUV444P))
288 format_supported = 1;
290 if (!format_supported) {
291 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
296 if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) {
297 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
302 switch (avctx->pix_fmt) {
303 case AV_PIX_FMT_YUVJ444P:
304 case AV_PIX_FMT_YUV444P:
305 s->chroma_format = CHROMA_444;
307 case AV_PIX_FMT_YUVJ422P:
308 case AV_PIX_FMT_YUV422P:
309 s->chroma_format = CHROMA_422;
311 case AV_PIX_FMT_YUVJ420P:
312 case AV_PIX_FMT_YUV420P:
314 s->chroma_format = CHROMA_420;
318 s->bit_rate = avctx->bit_rate;
319 s->width = avctx->width;
320 s->height = avctx->height;
321 if (avctx->gop_size > 600 &&
322 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
323 av_log(avctx, AV_LOG_WARNING,
324 "keyframe interval too large!, reducing it from %d to %d\n",
325 avctx->gop_size, 600);
326 avctx->gop_size = 600;
328 s->gop_size = avctx->gop_size;
330 s->flags = avctx->flags;
331 s->flags2 = avctx->flags2;
332 if (avctx->max_b_frames > MAX_B_FRAMES) {
333 av_log(avctx, AV_LOG_ERROR, "Too many B-frames requested, maximum "
334 "is %d.\n", MAX_B_FRAMES);
335 avctx->max_b_frames = MAX_B_FRAMES;
337 s->max_b_frames = avctx->max_b_frames;
338 s->codec_id = avctx->codec->id;
339 s->strict_std_compliance = avctx->strict_std_compliance;
340 s->quarter_sample = (avctx->flags & CODEC_FLAG_QPEL) != 0;
341 s->mpeg_quant = avctx->mpeg_quant;
342 s->rtp_mode = !!avctx->rtp_payload_size;
343 s->intra_dc_precision = avctx->intra_dc_precision;
345 // workaround some differences between how applications specify dc precission
346 if (s->intra_dc_precision < 0) {
347 s->intra_dc_precision += 8;
348 } else if (s->intra_dc_precision >= 8)
349 s->intra_dc_precision -= 8;
351 if (s->intra_dc_precision < 0) {
352 av_log(avctx, AV_LOG_ERROR,
353 "intra dc precision must be positive, note some applications use"
354 " 0 and some 8 as base meaning 8bit, the value must not be smaller than that\n");
355 return AVERROR(EINVAL);
358 if (s->intra_dc_precision > (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO ? 3 : 0)) {
359 av_log(avctx, AV_LOG_ERROR, "intra dc precision too large\n");
360 return AVERROR(EINVAL);
362 s->user_specified_pts = AV_NOPTS_VALUE;
364 if (s->gop_size <= 1) {
371 s->me_method = avctx->me_method;
374 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
377 FF_DISABLE_DEPRECATION_WARNINGS
378 if (avctx->border_masking != 0.0)
379 s->border_masking = avctx->border_masking;
380 FF_ENABLE_DEPRECATION_WARNINGS
383 s->adaptive_quant = (s->avctx->lumi_masking ||
384 s->avctx->dark_masking ||
385 s->avctx->temporal_cplx_masking ||
386 s->avctx->spatial_cplx_masking ||
387 s->avctx->p_masking ||
389 (s->mpv_flags & FF_MPV_FLAG_QP_RD)) &&
392 s->loop_filter = !!(s->flags & CODEC_FLAG_LOOP_FILTER);
394 if (avctx->rc_max_rate && !avctx->rc_buffer_size) {
395 switch(avctx->codec_id) {
396 case AV_CODEC_ID_MPEG1VIDEO:
397 case AV_CODEC_ID_MPEG2VIDEO:
398 avctx->rc_buffer_size = FFMAX(avctx->rc_max_rate, 15000000) * 112L / 15000000 * 16384;
400 case AV_CODEC_ID_MPEG4:
401 case AV_CODEC_ID_MSMPEG4V1:
402 case AV_CODEC_ID_MSMPEG4V2:
403 case AV_CODEC_ID_MSMPEG4V3:
404 if (avctx->rc_max_rate >= 15000000) {
405 avctx->rc_buffer_size = 320 + (avctx->rc_max_rate - 15000000L) * (760-320) / (38400000 - 15000000);
406 } else if(avctx->rc_max_rate >= 2000000) {
407 avctx->rc_buffer_size = 80 + (avctx->rc_max_rate - 2000000L) * (320- 80) / (15000000 - 2000000);
408 } else if(avctx->rc_max_rate >= 384000) {
409 avctx->rc_buffer_size = 40 + (avctx->rc_max_rate - 384000L) * ( 80- 40) / ( 2000000 - 384000);
411 avctx->rc_buffer_size = 40;
412 avctx->rc_buffer_size *= 16384;
415 if (avctx->rc_buffer_size) {
416 av_log(avctx, AV_LOG_INFO, "Automatically choosing VBV buffer size of %d kbyte\n", avctx->rc_buffer_size/8192);
420 if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) {
421 av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n");
425 if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) {
426 av_log(avctx, AV_LOG_INFO,
427 "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
430 if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) {
431 av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
435 if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
436 av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n");
440 if (avctx->rc_max_rate &&
441 avctx->rc_max_rate == avctx->bit_rate &&
442 avctx->rc_max_rate != avctx->rc_min_rate) {
443 av_log(avctx, AV_LOG_INFO,
444 "impossible bitrate constraints, this will fail\n");
447 if (avctx->rc_buffer_size &&
448 avctx->bit_rate * (int64_t)avctx->time_base.num >
449 avctx->rc_buffer_size * (int64_t)avctx->time_base.den) {
450 av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
454 if (!s->fixed_qscale &&
455 avctx->bit_rate * av_q2d(avctx->time_base) >
456 avctx->bit_rate_tolerance) {
457 av_log(avctx, AV_LOG_WARNING,
458 "bitrate tolerance %d too small for bitrate %d, overriding\n", avctx->bit_rate_tolerance, avctx->bit_rate);
459 avctx->bit_rate_tolerance = 5 * avctx->bit_rate * av_q2d(avctx->time_base);
462 if (s->avctx->rc_max_rate &&
463 s->avctx->rc_min_rate == s->avctx->rc_max_rate &&
464 (s->codec_id == AV_CODEC_ID_MPEG1VIDEO ||
465 s->codec_id == AV_CODEC_ID_MPEG2VIDEO) &&
466 90000LL * (avctx->rc_buffer_size - 1) >
467 s->avctx->rc_max_rate * 0xFFFFLL) {
468 av_log(avctx, AV_LOG_INFO,
469 "Warning vbv_delay will be set to 0xFFFF (=VBR) as the "
470 "specified vbv buffer is too large for the given bitrate!\n");
473 if ((s->flags & CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 &&
474 s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P &&
475 s->codec_id != AV_CODEC_ID_FLV1) {
476 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
480 if (s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE) {
481 av_log(avctx, AV_LOG_ERROR,
482 "OBMC is only supported with simple mb decision\n");
486 if (s->quarter_sample && s->codec_id != AV_CODEC_ID_MPEG4) {
487 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
491 if (s->max_b_frames &&
492 s->codec_id != AV_CODEC_ID_MPEG4 &&
493 s->codec_id != AV_CODEC_ID_MPEG1VIDEO &&
494 s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
495 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
498 if (s->max_b_frames < 0) {
499 av_log(avctx, AV_LOG_ERROR,
500 "max b frames must be 0 or positive for mpegvideo based encoders\n");
504 if ((s->codec_id == AV_CODEC_ID_MPEG4 ||
505 s->codec_id == AV_CODEC_ID_H263 ||
506 s->codec_id == AV_CODEC_ID_H263P) &&
507 (avctx->sample_aspect_ratio.num > 255 ||
508 avctx->sample_aspect_ratio.den > 255)) {
509 av_log(avctx, AV_LOG_WARNING,
510 "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
511 avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
512 av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den,
513 avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255);
516 if ((s->codec_id == AV_CODEC_ID_H263 ||
517 s->codec_id == AV_CODEC_ID_H263P) &&
518 (avctx->width > 2048 ||
519 avctx->height > 1152 )) {
520 av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
523 if ((s->codec_id == AV_CODEC_ID_H263 ||
524 s->codec_id == AV_CODEC_ID_H263P) &&
525 ((avctx->width &3) ||
526 (avctx->height&3) )) {
527 av_log(avctx, AV_LOG_ERROR, "w/h must be a multiple of 4\n");
531 if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO &&
532 (avctx->width > 4095 ||
533 avctx->height > 4095 )) {
534 av_log(avctx, AV_LOG_ERROR, "MPEG-1 does not support resolutions above 4095x4095\n");
538 if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
539 (avctx->width > 16383 ||
540 avctx->height > 16383 )) {
541 av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\n");
545 if (s->codec_id == AV_CODEC_ID_RV10 &&
547 avctx->height&15 )) {
548 av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n");
549 return AVERROR(EINVAL);
552 if (s->codec_id == AV_CODEC_ID_RV20 &&
555 av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 4\n");
556 return AVERROR(EINVAL);
559 if ((s->codec_id == AV_CODEC_ID_WMV1 ||
560 s->codec_id == AV_CODEC_ID_WMV2) &&
562 av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n");
566 if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
567 s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
568 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
572 // FIXME mpeg2 uses that too
573 if (s->mpeg_quant && ( s->codec_id != AV_CODEC_ID_MPEG4
574 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO)) {
575 av_log(avctx, AV_LOG_ERROR,
576 "mpeg2 style quantization not supported by codec\n");
580 if ((s->mpv_flags & FF_MPV_FLAG_CBP_RD) && !avctx->trellis) {
581 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
585 if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) &&
586 s->avctx->mb_decision != FF_MB_DECISION_RD) {
587 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
591 if (s->avctx->scenechange_threshold < 1000000000 &&
592 (s->flags & CODEC_FLAG_CLOSED_GOP)) {
593 av_log(avctx, AV_LOG_ERROR,
594 "closed gop with scene change detection are not supported yet, "
595 "set threshold to 1000000000\n");
599 if (s->flags & CODEC_FLAG_LOW_DELAY) {
600 if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
601 av_log(avctx, AV_LOG_ERROR,
602 "low delay forcing is only available for mpeg2\n");
605 if (s->max_b_frames != 0) {
606 av_log(avctx, AV_LOG_ERROR,
607 "b frames cannot be used with low delay\n");
612 if (s->q_scale_type == 1) {
613 if (avctx->qmax > 12) {
614 av_log(avctx, AV_LOG_ERROR,
615 "non linear quant only supports qmax <= 12 currently\n");
620 if (s->avctx->thread_count > 1 &&
621 s->codec_id != AV_CODEC_ID_MPEG4 &&
622 s->codec_id != AV_CODEC_ID_MPEG1VIDEO &&
623 s->codec_id != AV_CODEC_ID_MPEG2VIDEO &&
624 s->codec_id != AV_CODEC_ID_MJPEG &&
625 (s->codec_id != AV_CODEC_ID_H263P)) {
626 av_log(avctx, AV_LOG_ERROR,
627 "multi threaded encoding not supported by codec\n");
631 if (s->avctx->thread_count < 1) {
632 av_log(avctx, AV_LOG_ERROR,
633 "automatic thread number detection not supported by codec, "
638 if (s->avctx->slices > 1 || s->avctx->thread_count > 1)
641 if (s->avctx->thread_count > 1 && s->codec_id == AV_CODEC_ID_H263P)
642 s->h263_slice_structured = 1;
644 if (!avctx->time_base.den || !avctx->time_base.num) {
645 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
649 if (avctx->b_frame_strategy && (avctx->flags & CODEC_FLAG_PASS2)) {
650 av_log(avctx, AV_LOG_INFO,
651 "notice: b_frame_strategy only affects the first pass\n");
652 avctx->b_frame_strategy = 0;
655 i = av_gcd(avctx->time_base.den, avctx->time_base.num);
657 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
658 avctx->time_base.den /= i;
659 avctx->time_base.num /= i;
663 if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || s->codec_id == AV_CODEC_ID_MJPEG || s->codec_id==AV_CODEC_ID_AMV) {
664 // (a + x * 3 / 8) / x
665 s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3);
666 s->inter_quant_bias = 0;
668 s->intra_quant_bias = 0;
670 s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2));
673 if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) {
674 av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n");
675 return AVERROR(EINVAL);
678 if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
679 s->intra_quant_bias = avctx->intra_quant_bias;
680 if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
681 s->inter_quant_bias = avctx->inter_quant_bias;
683 av_log(avctx, AV_LOG_DEBUG, "intra_quant_bias = %d inter_quant_bias = %d\n",s->intra_quant_bias,s->inter_quant_bias);
685 if (avctx->codec_id == AV_CODEC_ID_MPEG4 &&
686 s->avctx->time_base.den > (1 << 16) - 1) {
687 av_log(avctx, AV_LOG_ERROR,
688 "timebase %d/%d not supported by MPEG 4 standard, "
689 "the maximum admitted value for the timebase denominator "
690 "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den,
694 s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
696 switch (avctx->codec->id) {
697 case AV_CODEC_ID_MPEG1VIDEO:
698 s->out_format = FMT_MPEG1;
699 s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY);
700 avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
702 case AV_CODEC_ID_MPEG2VIDEO:
703 s->out_format = FMT_MPEG1;
704 s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY);
705 avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
708 case AV_CODEC_ID_MJPEG:
709 case AV_CODEC_ID_AMV:
710 s->out_format = FMT_MJPEG;
711 s->intra_only = 1; /* force intra only for jpeg */
712 if (!CONFIG_MJPEG_ENCODER ||
713 ff_mjpeg_encode_init(s) < 0)
718 case AV_CODEC_ID_H261:
719 if (!CONFIG_H261_ENCODER)
721 if (ff_h261_get_picture_format(s->width, s->height) < 0) {
722 av_log(avctx, AV_LOG_ERROR,
723 "The specified picture size of %dx%d is not valid for the "
724 "H.261 codec.\nValid sizes are 176x144, 352x288\n",
725 s->width, s->height);
728 s->out_format = FMT_H261;
731 s->rtp_mode = 0; /* Sliced encoding not supported */
733 case AV_CODEC_ID_H263:
734 if (!CONFIG_H263_ENCODER)
736 if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format),
737 s->width, s->height) == 8) {
738 av_log(avctx, AV_LOG_ERROR,
739 "The specified picture size of %dx%d is not valid for "
740 "the H.263 codec.\nValid sizes are 128x96, 176x144, "
741 "352x288, 704x576, and 1408x1152. "
742 "Try H.263+.\n", s->width, s->height);
745 s->out_format = FMT_H263;
749 case AV_CODEC_ID_H263P:
750 s->out_format = FMT_H263;
753 s->h263_aic = (avctx->flags & CODEC_FLAG_AC_PRED) ? 1 : 0;
754 s->modified_quant = s->h263_aic;
755 s->loop_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
756 s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus;
759 /* These are just to be sure */
763 case AV_CODEC_ID_FLV1:
764 s->out_format = FMT_H263;
765 s->h263_flv = 2; /* format = 1; 11-bit codes */
766 s->unrestricted_mv = 1;
767 s->rtp_mode = 0; /* don't allow GOB */
771 case AV_CODEC_ID_RV10:
772 s->out_format = FMT_H263;
776 case AV_CODEC_ID_RV20:
777 s->out_format = FMT_H263;
780 s->modified_quant = 1;
784 s->unrestricted_mv = 0;
786 case AV_CODEC_ID_MPEG4:
787 s->out_format = FMT_H263;
789 s->unrestricted_mv = 1;
790 s->low_delay = s->max_b_frames ? 0 : 1;
791 avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
793 case AV_CODEC_ID_MSMPEG4V2:
794 s->out_format = FMT_H263;
796 s->unrestricted_mv = 1;
797 s->msmpeg4_version = 2;
801 case AV_CODEC_ID_MSMPEG4V3:
802 s->out_format = FMT_H263;
804 s->unrestricted_mv = 1;
805 s->msmpeg4_version = 3;
806 s->flipflop_rounding = 1;
810 case AV_CODEC_ID_WMV1:
811 s->out_format = FMT_H263;
813 s->unrestricted_mv = 1;
814 s->msmpeg4_version = 4;
815 s->flipflop_rounding = 1;
819 case AV_CODEC_ID_WMV2:
820 s->out_format = FMT_H263;
822 s->unrestricted_mv = 1;
823 s->msmpeg4_version = 5;
824 s->flipflop_rounding = 1;
832 avctx->has_b_frames = !s->low_delay;
836 s->progressive_frame =
837 s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT |
838 CODEC_FLAG_INTERLACED_ME) ||
843 if (ff_mpv_common_init(s) < 0)
846 ff_fdctdsp_init(&s->fdsp, avctx);
847 ff_me_cmp_init(&s->mecc, avctx);
848 ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx);
849 ff_pixblockdsp_init(&s->pdsp, avctx);
850 ff_qpeldsp_init(&s->qdsp);
852 s->avctx->coded_frame = s->current_picture.f;
854 if (s->msmpeg4_version) {
855 FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
856 2 * 2 * (MAX_LEVEL + 1) *
857 (MAX_RUN + 1) * 2 * sizeof(int), fail);
859 FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
861 FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail);
862 FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail);
863 FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail);
864 FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail);
865 FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail);
866 FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail);
867 FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture,
868 MAX_PICTURE_COUNT * sizeof(Picture *), fail);
869 FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
870 MAX_PICTURE_COUNT * sizeof(Picture *), fail);
872 if (s->avctx->noise_reduction) {
873 FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
874 2 * 64 * sizeof(uint16_t), fail);
877 ff_dct_encode_init(s);
879 if ((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
880 s->chroma_qscale_table = ff_h263_chroma_qscale_table;
882 s->quant_precision = 5;
884 ff_set_cmp(&s->mecc, s->mecc.ildct_cmp, s->avctx->ildct_cmp);
885 ff_set_cmp(&s->mecc, s->mecc.frame_skip_cmp, s->avctx->frame_skip_cmp);
887 if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
888 ff_h261_encode_init(s);
889 if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
890 ff_h263_encode_init(s);
891 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
892 if ((ret = ff_msmpeg4_encode_init(s)) < 0)
894 if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
895 && s->out_format == FMT_MPEG1)
896 ff_mpeg1_encode_init(s);
899 for (i = 0; i < 64; i++) {
900 int j = s->idsp.idct_permutation[i];
901 if (CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4 &&
903 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
904 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
905 } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
907 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
910 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
911 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
913 if (s->avctx->intra_matrix)
914 s->intra_matrix[j] = s->avctx->intra_matrix[i];
915 if (s->avctx->inter_matrix)
916 s->inter_matrix[j] = s->avctx->inter_matrix[i];
919 /* precompute matrix */
920 /* for mjpeg, we do include qscale in the matrix */
921 if (s->out_format != FMT_MJPEG) {
922 ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16,
923 s->intra_matrix, s->intra_quant_bias, avctx->qmin,
925 ff_convert_matrix(s, s->q_inter_matrix, s->q_inter_matrix16,
926 s->inter_matrix, s->inter_quant_bias, avctx->qmin,
930 if (ff_rate_control_init(s) < 0)
933 #if FF_API_ERROR_RATE
934 FF_DISABLE_DEPRECATION_WARNINGS
935 if (avctx->error_rate)
936 s->error_rate = avctx->error_rate;
937 FF_ENABLE_DEPRECATION_WARNINGS;
940 #if FF_API_NORMALIZE_AQP
941 FF_DISABLE_DEPRECATION_WARNINGS
942 if (avctx->flags & CODEC_FLAG_NORMALIZE_AQP)
943 s->mpv_flags |= FF_MPV_FLAG_NAQ;
944 FF_ENABLE_DEPRECATION_WARNINGS;
948 FF_DISABLE_DEPRECATION_WARNINGS
949 if (avctx->flags & CODEC_FLAG_MV0)
950 s->mpv_flags |= FF_MPV_FLAG_MV0;
951 FF_ENABLE_DEPRECATION_WARNINGS
955 FF_DISABLE_DEPRECATION_WARNINGS
956 if (avctx->rc_qsquish != 0.0)
957 s->rc_qsquish = avctx->rc_qsquish;
958 if (avctx->rc_qmod_amp != 0.0)
959 s->rc_qmod_amp = avctx->rc_qmod_amp;
960 if (avctx->rc_qmod_freq)
961 s->rc_qmod_freq = avctx->rc_qmod_freq;
962 if (avctx->rc_buffer_aggressivity != 1.0)
963 s->rc_buffer_aggressivity = avctx->rc_buffer_aggressivity;
964 if (avctx->rc_initial_cplx != 0.0)
965 s->rc_initial_cplx = avctx->rc_initial_cplx;
967 s->lmin = avctx->lmin;
969 s->lmax = avctx->lmax;
973 s->rc_eq = av_strdup(avctx->rc_eq);
975 return AVERROR(ENOMEM);
977 FF_ENABLE_DEPRECATION_WARNINGS
980 if (avctx->b_frame_strategy == 2) {
981 for (i = 0; i < s->max_b_frames + 2; i++) {
982 s->tmp_frames[i] = av_frame_alloc();
983 if (!s->tmp_frames[i])
984 return AVERROR(ENOMEM);
986 s->tmp_frames[i]->format = AV_PIX_FMT_YUV420P;
987 s->tmp_frames[i]->width = s->width >> avctx->brd_scale;
988 s->tmp_frames[i]->height = s->height >> avctx->brd_scale;
990 ret = av_frame_get_buffer(s->tmp_frames[i], 32);
998 ff_mpv_encode_end(avctx);
999 return AVERROR_UNKNOWN;
1002 av_cold int ff_mpv_encode_end(AVCodecContext *avctx)
1004 MpegEncContext *s = avctx->priv_data;
1007 ff_rate_control_uninit(s);
1009 ff_mpv_common_end(s);
1010 if (CONFIG_MJPEG_ENCODER &&
1011 s->out_format == FMT_MJPEG)
1012 ff_mjpeg_encode_close(s);
1014 av_freep(&avctx->extradata);
1016 for (i = 0; i < FF_ARRAY_ELEMS(s->tmp_frames); i++)
1017 av_frame_free(&s->tmp_frames[i]);
1019 ff_free_picture_tables(&s->new_picture);
1020 ff_mpeg_unref_picture(s, &s->new_picture);
1022 av_freep(&s->avctx->stats_out);
1023 av_freep(&s->ac_stats);
1025 if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
1026 if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
1027 s->q_chroma_intra_matrix= NULL;
1028 s->q_chroma_intra_matrix16= NULL;
1029 av_freep(&s->q_intra_matrix);
1030 av_freep(&s->q_inter_matrix);
1031 av_freep(&s->q_intra_matrix16);
1032 av_freep(&s->q_inter_matrix16);
1033 av_freep(&s->input_picture);
1034 av_freep(&s->reordered_input_picture);
1035 av_freep(&s->dct_offset);
1040 static int get_sae(uint8_t *src, int ref, int stride)
1045 for (y = 0; y < 16; y++) {
1046 for (x = 0; x < 16; x++) {
1047 acc += FFABS(src[x + y * stride] - ref);
1054 static int get_intra_count(MpegEncContext *s, uint8_t *src,
1055 uint8_t *ref, int stride)
1061 h = s->height & ~15;
1063 for (y = 0; y < h; y += 16) {
1064 for (x = 0; x < w; x += 16) {
1065 int offset = x + y * stride;
1066 int sad = s->mecc.sad[0](NULL, src + offset, ref + offset,
1068 int mean = (s->mpvencdsp.pix_sum(src + offset, stride) + 128) >> 8;
1069 int sae = get_sae(src + offset, mean, stride);
1071 acc += sae + 500 < sad;
1078 static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
1080 Picture *pic = NULL;
1082 int i, display_picture_number = 0, ret;
1083 const int encoding_delay = s->max_b_frames ? s->max_b_frames :
1084 (s->low_delay ? 0 : 1);
1089 display_picture_number = s->input_picture_number++;
1091 if (pts != AV_NOPTS_VALUE) {
1092 if (s->user_specified_pts != AV_NOPTS_VALUE) {
1093 int64_t last = s->user_specified_pts;
1096 av_log(s->avctx, AV_LOG_ERROR,
1097 "Invalid pts (%"PRId64") <= last (%"PRId64")\n",
1099 return AVERROR(EINVAL);
1102 if (!s->low_delay && display_picture_number == 1)
1103 s->dts_delta = pts - last;
1105 s->user_specified_pts = pts;
1107 if (s->user_specified_pts != AV_NOPTS_VALUE) {
1108 s->user_specified_pts =
1109 pts = s->user_specified_pts + 1;
1110 av_log(s->avctx, AV_LOG_INFO,
1111 "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n",
1114 pts = display_picture_number;
1120 if (!pic_arg->buf[0] ||
1121 pic_arg->linesize[0] != s->linesize ||
1122 pic_arg->linesize[1] != s->uvlinesize ||
1123 pic_arg->linesize[2] != s->uvlinesize)
1125 if ((s->width & 15) || (s->height & 15))
1127 if (((intptr_t)(pic_arg->data[0])) & (STRIDE_ALIGN-1))
1129 if (s->linesize & (STRIDE_ALIGN-1))
1132 av_dlog(s->avctx, "%d %d %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"\n", pic_arg->linesize[0],
1133 pic_arg->linesize[1], s->linesize, s->uvlinesize);
1135 i = ff_find_unused_picture(s, direct);
1139 pic = &s->picture[i];
1143 if ((ret = av_frame_ref(pic->f, pic_arg)) < 0)
1145 if (ff_alloc_picture(s, pic, 1) < 0) {
1149 if (ff_alloc_picture(s, pic, 0) < 0) {
1153 if (pic->f->data[0] + INPLACE_OFFSET == pic_arg->data[0] &&
1154 pic->f->data[1] + INPLACE_OFFSET == pic_arg->data[1] &&
1155 pic->f->data[2] + INPLACE_OFFSET == pic_arg->data[2]) {
1158 int h_chroma_shift, v_chroma_shift;
1159 av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
1163 for (i = 0; i < 3; i++) {
1164 int src_stride = pic_arg->linesize[i];
1165 int dst_stride = i ? s->uvlinesize : s->linesize;
1166 int h_shift = i ? h_chroma_shift : 0;
1167 int v_shift = i ? v_chroma_shift : 0;
1168 int w = s->width >> h_shift;
1169 int h = s->height >> v_shift;
1170 uint8_t *src = pic_arg->data[i];
1171 uint8_t *dst = pic->f->data[i];
1174 if ( s->codec_id == AV_CODEC_ID_MPEG2VIDEO
1175 && !s->progressive_sequence
1176 && FFALIGN(s->height, 32) - s->height > 16)
1179 if (!s->avctx->rc_buffer_size)
1180 dst += INPLACE_OFFSET;
1182 if (src_stride == dst_stride)
1183 memcpy(dst, src, src_stride * h);
1186 uint8_t *dst2 = dst;
1188 memcpy(dst2, src, w);
1193 if ((s->width & 15) || (s->height & (vpad-1))) {
1194 s->mpvencdsp.draw_edges(dst, dst_stride,
1203 ret = av_frame_copy_props(pic->f, pic_arg);
1207 pic->f->display_picture_number = display_picture_number;
1208 pic->f->pts = pts; // we set this here to avoid modifiying pic_arg
1211 /* shift buffer entries */
1212 for (i = 1; i < MAX_PICTURE_COUNT /*s->encoding_delay + 1*/; i++)
1213 s->input_picture[i - 1] = s->input_picture[i];
1215 s->input_picture[encoding_delay] = (Picture*) pic;
1220 static int skip_check(MpegEncContext *s, Picture *p, Picture *ref)
1224 int64_t score64 = 0;
1226 for (plane = 0; plane < 3; plane++) {
1227 const int stride = p->f->linesize[plane];
1228 const int bw = plane ? 1 : 2;
1229 for (y = 0; y < s->mb_height * bw; y++) {
1230 for (x = 0; x < s->mb_width * bw; x++) {
1231 int off = p->shared ? 0 : 16;
1232 uint8_t *dptr = p->f->data[plane] + 8 * (x + y * stride) + off;
1233 uint8_t *rptr = ref->f->data[plane] + 8 * (x + y * stride);
1234 int v = s->mecc.frame_skip_cmp[1](s, dptr, rptr, stride, 8);
1236 switch (FFABS(s->avctx->frame_skip_exp)) {
1237 case 0: score = FFMAX(score, v); break;
1238 case 1: score += FFABS(v); break;
1239 case 2: score64 += v * (int64_t)v; break;
1240 case 3: score64 += FFABS(v * (int64_t)v * v); break;
1241 case 4: score64 += (v * (int64_t)v) * (v * (int64_t)v); break;
1250 if (s->avctx->frame_skip_exp < 0)
1251 score64 = pow(score64 / (double)(s->mb_width * s->mb_height),
1252 -1.0/s->avctx->frame_skip_exp);
1254 if (score64 < s->avctx->frame_skip_threshold)
1256 if (score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda) >> 8))
1261 static int encode_frame(AVCodecContext *c, AVFrame *frame)
1263 AVPacket pkt = { 0 };
1264 int ret, got_output;
1266 av_init_packet(&pkt);
1267 ret = avcodec_encode_video2(c, &pkt, frame, &got_output);
1272 av_free_packet(&pkt);
1276 static int estimate_best_b_count(MpegEncContext *s)
1278 AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);
1279 AVCodecContext *c = avcodec_alloc_context3(NULL);
1280 const int scale = s->avctx->brd_scale;
1281 int i, j, out_size, p_lambda, b_lambda, lambda2;
1282 int64_t best_rd = INT64_MAX;
1283 int best_b_count = -1;
1285 av_assert0(scale >= 0 && scale <= 3);
1288 //s->next_picture_ptr->quality;
1289 p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P];
1290 //p_lambda * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
1291 b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B];
1292 if (!b_lambda) // FIXME we should do this somewhere else
1293 b_lambda = p_lambda;
1294 lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >>
1297 c->width = s->width >> scale;
1298 c->height = s->height >> scale;
1299 c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR;
1300 c->flags |= s->avctx->flags & CODEC_FLAG_QPEL;
1301 c->mb_decision = s->avctx->mb_decision;
1302 c->me_cmp = s->avctx->me_cmp;
1303 c->mb_cmp = s->avctx->mb_cmp;
1304 c->me_sub_cmp = s->avctx->me_sub_cmp;
1305 c->pix_fmt = AV_PIX_FMT_YUV420P;
1306 c->time_base = s->avctx->time_base;
1307 c->max_b_frames = s->max_b_frames;
1309 if (avcodec_open2(c, codec, NULL) < 0)
1312 for (i = 0; i < s->max_b_frames + 2; i++) {
1313 Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] :
1314 s->next_picture_ptr;
1317 if (pre_input_ptr && (!i || s->input_picture[i - 1])) {
1318 pre_input = *pre_input_ptr;
1319 memcpy(data, pre_input_ptr->f->data, sizeof(data));
1321 if (!pre_input.shared && i) {
1322 data[0] += INPLACE_OFFSET;
1323 data[1] += INPLACE_OFFSET;
1324 data[2] += INPLACE_OFFSET;
1327 s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[0],
1328 s->tmp_frames[i]->linesize[0],
1330 pre_input.f->linesize[0],
1331 c->width, c->height);
1332 s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[1],
1333 s->tmp_frames[i]->linesize[1],
1335 pre_input.f->linesize[1],
1336 c->width >> 1, c->height >> 1);
1337 s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[2],
1338 s->tmp_frames[i]->linesize[2],
1340 pre_input.f->linesize[2],
1341 c->width >> 1, c->height >> 1);
1345 for (j = 0; j < s->max_b_frames + 1; j++) {
1348 if (!s->input_picture[j])
1351 c->error[0] = c->error[1] = c->error[2] = 0;
1353 s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I;
1354 s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA;
1356 out_size = encode_frame(c, s->tmp_frames[0]);
1358 //rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
1360 for (i = 0; i < s->max_b_frames + 1; i++) {
1361 int is_p = i % (j + 1) == j || i == s->max_b_frames;
1363 s->tmp_frames[i + 1]->pict_type = is_p ?
1364 AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
1365 s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda;
1367 out_size = encode_frame(c, s->tmp_frames[i + 1]);
1369 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1372 /* get the delayed frames */
1374 out_size = encode_frame(c, NULL);
1375 rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
1378 rd += c->error[0] + c->error[1] + c->error[2];
1389 return best_b_count;
1392 static int select_input_picture(MpegEncContext *s)
1396 for (i = 1; i < MAX_PICTURE_COUNT; i++)
1397 s->reordered_input_picture[i - 1] = s->reordered_input_picture[i];
1398 s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL;
1400 /* set next picture type & ordering */
1401 if (!s->reordered_input_picture[0] && s->input_picture[0]) {
1402 if (s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor) {
1403 if (s->picture_in_gop_number < s->gop_size &&
1404 s->next_picture_ptr &&
1405 skip_check(s, s->input_picture[0], s->next_picture_ptr)) {
1406 // FIXME check that te gop check above is +-1 correct
1407 av_frame_unref(s->input_picture[0]->f);
1409 ff_vbv_update(s, 0);
1415 if (/*s->picture_in_gop_number >= s->gop_size ||*/
1416 !s->next_picture_ptr || s->intra_only) {
1417 s->reordered_input_picture[0] = s->input_picture[0];
1418 s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_I;
1419 s->reordered_input_picture[0]->f->coded_picture_number =
1420 s->coded_picture_number++;
1424 if (s->flags & CODEC_FLAG_PASS2) {
1425 for (i = 0; i < s->max_b_frames + 1; i++) {
1426 int pict_num = s->input_picture[0]->f->display_picture_number + i;
1428 if (pict_num >= s->rc_context.num_entries)
1430 if (!s->input_picture[i]) {
1431 s->rc_context.entry[pict_num - 1].new_pict_type = AV_PICTURE_TYPE_P;
1435 s->input_picture[i]->f->pict_type =
1436 s->rc_context.entry[pict_num].new_pict_type;
1440 if (s->avctx->b_frame_strategy == 0) {
1441 b_frames = s->max_b_frames;
1442 while (b_frames && !s->input_picture[b_frames])
1444 } else if (s->avctx->b_frame_strategy == 1) {
1445 for (i = 1; i < s->max_b_frames + 1; i++) {
1446 if (s->input_picture[i] &&
1447 s->input_picture[i]->b_frame_score == 0) {
1448 s->input_picture[i]->b_frame_score =
1450 s->input_picture[i ]->f->data[0],
1451 s->input_picture[i - 1]->f->data[0],
1455 for (i = 0; i < s->max_b_frames + 1; i++) {
1456 if (!s->input_picture[i] ||
1457 s->input_picture[i]->b_frame_score - 1 >
1458 s->mb_num / s->avctx->b_sensitivity)
1462 b_frames = FFMAX(0, i - 1);
1465 for (i = 0; i < b_frames + 1; i++) {
1466 s->input_picture[i]->b_frame_score = 0;
1468 } else if (s->avctx->b_frame_strategy == 2) {
1469 b_frames = estimate_best_b_count(s);
1471 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
1477 for (i = b_frames - 1; i >= 0; i--) {
1478 int type = s->input_picture[i]->f->pict_type;
1479 if (type && type != AV_PICTURE_TYPE_B)
1482 if (s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_B &&
1483 b_frames == s->max_b_frames) {
1484 av_log(s->avctx, AV_LOG_ERROR,
1485 "warning, too many b frames in a row\n");
1488 if (s->picture_in_gop_number + b_frames >= s->gop_size) {
1489 if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) &&
1490 s->gop_size > s->picture_in_gop_number) {
1491 b_frames = s->gop_size - s->picture_in_gop_number - 1;
1493 if (s->flags & CODEC_FLAG_CLOSED_GOP)
1495 s->input_picture[b_frames]->f->pict_type = AV_PICTURE_TYPE_I;
1499 if ((s->flags & CODEC_FLAG_CLOSED_GOP) && b_frames &&
1500 s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_I)
1503 s->reordered_input_picture[0] = s->input_picture[b_frames];
1504 if (s->reordered_input_picture[0]->f->pict_type != AV_PICTURE_TYPE_I)
1505 s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_P;
1506 s->reordered_input_picture[0]->f->coded_picture_number =
1507 s->coded_picture_number++;
1508 for (i = 0; i < b_frames; i++) {
1509 s->reordered_input_picture[i + 1] = s->input_picture[i];
1510 s->reordered_input_picture[i + 1]->f->pict_type =
1512 s->reordered_input_picture[i + 1]->f->coded_picture_number =
1513 s->coded_picture_number++;
1518 if (s->reordered_input_picture[0]) {
1519 s->reordered_input_picture[0]->reference =
1520 s->reordered_input_picture[0]->f->pict_type !=
1521 AV_PICTURE_TYPE_B ? 3 : 0;
1523 ff_mpeg_unref_picture(s, &s->new_picture);
1524 if ((ret = ff_mpeg_ref_picture(s, &s->new_picture, s->reordered_input_picture[0])))
1527 if (s->reordered_input_picture[0]->shared || s->avctx->rc_buffer_size) {
1528 // input is a shared pix, so we can't modifiy it -> alloc a new
1529 // one & ensure that the shared one is reuseable
1532 int i = ff_find_unused_picture(s, 0);
1535 pic = &s->picture[i];
1537 pic->reference = s->reordered_input_picture[0]->reference;
1538 if (ff_alloc_picture(s, pic, 0) < 0) {
1542 ret = av_frame_copy_props(pic->f, s->reordered_input_picture[0]->f);
1546 /* mark us unused / free shared pic */
1547 av_frame_unref(s->reordered_input_picture[0]->f);
1548 s->reordered_input_picture[0]->shared = 0;
1550 s->current_picture_ptr = pic;
1552 // input is not a shared pix -> reuse buffer for current_pix
1553 s->current_picture_ptr = s->reordered_input_picture[0];
1554 for (i = 0; i < 4; i++) {
1555 s->new_picture.f->data[i] += INPLACE_OFFSET;
1558 ff_mpeg_unref_picture(s, &s->current_picture);
1559 if ((ret = ff_mpeg_ref_picture(s, &s->current_picture,
1560 s->current_picture_ptr)) < 0)
1563 s->picture_number = s->new_picture.f->display_picture_number;
1565 ff_mpeg_unref_picture(s, &s->new_picture);
1570 static void frame_end(MpegEncContext *s)
1572 if (s->unrestricted_mv &&
1573 s->current_picture.reference &&
1575 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
1576 int hshift = desc->log2_chroma_w;
1577 int vshift = desc->log2_chroma_h;
1578 s->mpvencdsp.draw_edges(s->current_picture.f->data[0],
1579 s->current_picture.f->linesize[0],
1580 s->h_edge_pos, s->v_edge_pos,
1581 EDGE_WIDTH, EDGE_WIDTH,
1582 EDGE_TOP | EDGE_BOTTOM);
1583 s->mpvencdsp.draw_edges(s->current_picture.f->data[1],
1584 s->current_picture.f->linesize[1],
1585 s->h_edge_pos >> hshift,
1586 s->v_edge_pos >> vshift,
1587 EDGE_WIDTH >> hshift,
1588 EDGE_WIDTH >> vshift,
1589 EDGE_TOP | EDGE_BOTTOM);
1590 s->mpvencdsp.draw_edges(s->current_picture.f->data[2],
1591 s->current_picture.f->linesize[2],
1592 s->h_edge_pos >> hshift,
1593 s->v_edge_pos >> vshift,
1594 EDGE_WIDTH >> hshift,
1595 EDGE_WIDTH >> vshift,
1596 EDGE_TOP | EDGE_BOTTOM);
1601 s->last_pict_type = s->pict_type;
1602 s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f->quality;
1603 if (s->pict_type!= AV_PICTURE_TYPE_B)
1604 s->last_non_b_pict_type = s->pict_type;
1606 s->avctx->coded_frame = s->current_picture_ptr->f;
1610 static void update_noise_reduction(MpegEncContext *s)
1614 for (intra = 0; intra < 2; intra++) {
1615 if (s->dct_count[intra] > (1 << 16)) {
1616 for (i = 0; i < 64; i++) {
1617 s->dct_error_sum[intra][i] >>= 1;
1619 s->dct_count[intra] >>= 1;
1622 for (i = 0; i < 64; i++) {
1623 s->dct_offset[intra][i] = (s->avctx->noise_reduction *
1624 s->dct_count[intra] +
1625 s->dct_error_sum[intra][i] / 2) /
1626 (s->dct_error_sum[intra][i] + 1);
1631 static int frame_start(MpegEncContext *s)
1635 /* mark & release old frames */
1636 if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
1637 s->last_picture_ptr != s->next_picture_ptr &&
1638 s->last_picture_ptr->f->buf[0]) {
1639 ff_mpeg_unref_picture(s, s->last_picture_ptr);
1642 s->current_picture_ptr->f->pict_type = s->pict_type;
1643 s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
1645 ff_mpeg_unref_picture(s, &s->current_picture);
1646 if ((ret = ff_mpeg_ref_picture(s, &s->current_picture,
1647 s->current_picture_ptr)) < 0)
1650 if (s->pict_type != AV_PICTURE_TYPE_B) {
1651 s->last_picture_ptr = s->next_picture_ptr;
1653 s->next_picture_ptr = s->current_picture_ptr;
1656 if (s->last_picture_ptr) {
1657 ff_mpeg_unref_picture(s, &s->last_picture);
1658 if (s->last_picture_ptr->f->buf[0] &&
1659 (ret = ff_mpeg_ref_picture(s, &s->last_picture,
1660 s->last_picture_ptr)) < 0)
1663 if (s->next_picture_ptr) {
1664 ff_mpeg_unref_picture(s, &s->next_picture);
1665 if (s->next_picture_ptr->f->buf[0] &&
1666 (ret = ff_mpeg_ref_picture(s, &s->next_picture,
1667 s->next_picture_ptr)) < 0)
1671 if (s->picture_structure!= PICT_FRAME) {
1673 for (i = 0; i < 4; i++) {
1674 if (s->picture_structure == PICT_BOTTOM_FIELD) {
1675 s->current_picture.f->data[i] +=
1676 s->current_picture.f->linesize[i];
1678 s->current_picture.f->linesize[i] *= 2;
1679 s->last_picture.f->linesize[i] *= 2;
1680 s->next_picture.f->linesize[i] *= 2;
1684 if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
1685 s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
1686 s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
1687 } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
1688 s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
1689 s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
1691 s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra;
1692 s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter;
1695 if (s->dct_error_sum) {
1696 av_assert2(s->avctx->noise_reduction && s->encoding);
1697 update_noise_reduction(s);
1703 int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
1704 const AVFrame *pic_arg, int *got_packet)
1706 MpegEncContext *s = avctx->priv_data;
1707 int i, stuffing_count, ret;
1708 int context_count = s->slice_context_count;
1710 s->picture_in_gop_number++;
1712 if (load_input_picture(s, pic_arg) < 0)
1715 if (select_input_picture(s) < 0) {
1720 if (s->new_picture.f->data[0]) {
1721 int growing_buffer = context_count == 1 && !pkt->data && !s->data_partitioning;
1722 int pkt_size = growing_buffer ? FFMAX(s->mb_width*s->mb_height*64+10000, avctx->internal->byte_buffer_size) - FF_INPUT_BUFFER_PADDING_SIZE
1724 s->mb_width*s->mb_height*(MAX_MB_BYTES+100)+10000;
1725 if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size)) < 0)
1728 s->mb_info_ptr = av_packet_new_side_data(pkt,
1729 AV_PKT_DATA_H263_MB_INFO,
1730 s->mb_width*s->mb_height*12);
1731 s->prev_mb_info = s->last_mb_info = s->mb_info_size = 0;
1734 for (i = 0; i < context_count; i++) {
1735 int start_y = s->thread_context[i]->start_mb_y;
1736 int end_y = s->thread_context[i]-> end_mb_y;
1737 int h = s->mb_height;
1738 uint8_t *start = pkt->data + (size_t)(((int64_t) pkt->size) * start_y / h);
1739 uint8_t *end = pkt->data + (size_t)(((int64_t) pkt->size) * end_y / h);
1741 init_put_bits(&s->thread_context[i]->pb, start, end - start);
1744 s->pict_type = s->new_picture.f->pict_type;
1746 ret = frame_start(s);
1750 ret = encode_picture(s, s->picture_number);
1751 if (growing_buffer) {
1752 av_assert0(s->pb.buf == avctx->internal->byte_buffer);
1753 pkt->data = s->pb.buf;
1754 pkt->size = avctx->internal->byte_buffer_size;
1759 avctx->header_bits = s->header_bits;
1760 avctx->mv_bits = s->mv_bits;
1761 avctx->misc_bits = s->misc_bits;
1762 avctx->i_tex_bits = s->i_tex_bits;
1763 avctx->p_tex_bits = s->p_tex_bits;
1764 avctx->i_count = s->i_count;
1765 // FIXME f/b_count in avctx
1766 avctx->p_count = s->mb_num - s->i_count - s->skip_count;
1767 avctx->skip_count = s->skip_count;
1771 if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
1772 ff_mjpeg_encode_picture_trailer(&s->pb, s->header_bits);
1774 if (avctx->rc_buffer_size) {
1775 RateControlContext *rcc = &s->rc_context;
1776 int max_size = FFMAX(rcc->buffer_index * avctx->rc_max_available_vbv_use, rcc->buffer_index - 500);
1778 if (put_bits_count(&s->pb) > max_size &&
1779 s->lambda < s->lmax) {
1780 s->next_lambda = FFMAX(s->lambda + 1, s->lambda *
1781 (s->qscale + 1) / s->qscale);
1782 if (s->adaptive_quant) {
1784 for (i = 0; i < s->mb_height * s->mb_stride; i++)
1785 s->lambda_table[i] =
1786 FFMAX(s->lambda_table[i] + 1,
1787 s->lambda_table[i] * (s->qscale + 1) /
1790 s->mb_skipped = 0; // done in frame_start()
1791 // done in encode_picture() so we must undo it
1792 if (s->pict_type == AV_PICTURE_TYPE_P) {
1793 if (s->flipflop_rounding ||
1794 s->codec_id == AV_CODEC_ID_H263P ||
1795 s->codec_id == AV_CODEC_ID_MPEG4)
1796 s->no_rounding ^= 1;
1798 if (s->pict_type != AV_PICTURE_TYPE_B) {
1799 s->time_base = s->last_time_base;
1800 s->last_non_b_time = s->time - s->pp_time;
1802 for (i = 0; i < context_count; i++) {
1803 PutBitContext *pb = &s->thread_context[i]->pb;
1804 init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
1806 av_log(s->avctx, AV_LOG_VERBOSE, "reencoding frame due to VBV\n");
1810 av_assert0(s->avctx->rc_max_rate);
1813 if (s->flags & CODEC_FLAG_PASS1)
1814 ff_write_pass1_stats(s);
1816 for (i = 0; i < 4; i++) {
1817 s->current_picture_ptr->f->error[i] =
1818 s->current_picture.f->error[i] =
1819 s->current_picture.error[i];
1820 avctx->error[i] += s->current_picture_ptr->f->error[i];
1823 if (s->flags & CODEC_FLAG_PASS1)
1824 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits +
1825 avctx->i_tex_bits + avctx->p_tex_bits ==
1826 put_bits_count(&s->pb));
1827 flush_put_bits(&s->pb);
1828 s->frame_bits = put_bits_count(&s->pb);
1830 stuffing_count = ff_vbv_update(s, s->frame_bits);
1831 s->stuffing_bits = 8*stuffing_count;
1832 if (stuffing_count) {
1833 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
1834 stuffing_count + 50) {
1835 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
1839 switch (s->codec_id) {
1840 case AV_CODEC_ID_MPEG1VIDEO:
1841 case AV_CODEC_ID_MPEG2VIDEO:
1842 while (stuffing_count--) {
1843 put_bits(&s->pb, 8, 0);
1846 case AV_CODEC_ID_MPEG4:
1847 put_bits(&s->pb, 16, 0);
1848 put_bits(&s->pb, 16, 0x1C3);
1849 stuffing_count -= 4;
1850 while (stuffing_count--) {
1851 put_bits(&s->pb, 8, 0xFF);
1855 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
1857 flush_put_bits(&s->pb);
1858 s->frame_bits = put_bits_count(&s->pb);
1861 /* update mpeg1/2 vbv_delay for CBR */
1862 if (s->avctx->rc_max_rate &&
1863 s->avctx->rc_min_rate == s->avctx->rc_max_rate &&
1864 s->out_format == FMT_MPEG1 &&
1865 90000LL * (avctx->rc_buffer_size - 1) <=
1866 s->avctx->rc_max_rate * 0xFFFFLL) {
1867 int vbv_delay, min_delay;
1868 double inbits = s->avctx->rc_max_rate *
1869 av_q2d(s->avctx->time_base);
1870 int minbits = s->frame_bits - 8 *
1871 (s->vbv_delay_ptr - s->pb.buf - 1);
1872 double bits = s->rc_context.buffer_index + minbits - inbits;
1875 av_log(s->avctx, AV_LOG_ERROR,
1876 "Internal error, negative bits\n");
1878 assert(s->repeat_first_field == 0);
1880 vbv_delay = bits * 90000 / s->avctx->rc_max_rate;
1881 min_delay = (minbits * 90000LL + s->avctx->rc_max_rate - 1) /
1882 s->avctx->rc_max_rate;
1884 vbv_delay = FFMAX(vbv_delay, min_delay);
1886 av_assert0(vbv_delay < 0xFFFF);
1888 s->vbv_delay_ptr[0] &= 0xF8;
1889 s->vbv_delay_ptr[0] |= vbv_delay >> 13;
1890 s->vbv_delay_ptr[1] = vbv_delay >> 5;
1891 s->vbv_delay_ptr[2] &= 0x07;
1892 s->vbv_delay_ptr[2] |= vbv_delay << 3;
1893 avctx->vbv_delay = vbv_delay * 300;
1895 s->total_bits += s->frame_bits;
1896 avctx->frame_bits = s->frame_bits;
1898 pkt->pts = s->current_picture.f->pts;
1899 if (!s->low_delay && s->pict_type != AV_PICTURE_TYPE_B) {
1900 if (!s->current_picture.f->coded_picture_number)
1901 pkt->dts = pkt->pts - s->dts_delta;
1903 pkt->dts = s->reordered_pts;
1904 s->reordered_pts = pkt->pts;
1906 pkt->dts = pkt->pts;
1907 if (s->current_picture.f->key_frame)
1908 pkt->flags |= AV_PKT_FLAG_KEY;
1910 av_packet_shrink_side_data(pkt, AV_PKT_DATA_H263_MB_INFO, s->mb_info_size);
1915 /* release non-reference frames */
1916 for (i = 0; i < MAX_PICTURE_COUNT; i++) {
1917 if (!s->picture[i].reference)
1918 ff_mpeg_unref_picture(s, &s->picture[i]);
1921 av_assert1((s->frame_bits & 7) == 0);
1923 pkt->size = s->frame_bits / 8;
1924 *got_packet = !!pkt->size;
1928 static inline void dct_single_coeff_elimination(MpegEncContext *s,
1929 int n, int threshold)
1931 static const char tab[64] = {
1932 3, 2, 2, 1, 1, 1, 1, 1,
1933 1, 1, 1, 1, 1, 1, 1, 1,
1934 1, 1, 1, 1, 1, 1, 1, 1,
1935 0, 0, 0, 0, 0, 0, 0, 0,
1936 0, 0, 0, 0, 0, 0, 0, 0,
1937 0, 0, 0, 0, 0, 0, 0, 0,
1938 0, 0, 0, 0, 0, 0, 0, 0,
1939 0, 0, 0, 0, 0, 0, 0, 0
1944 int16_t *block = s->block[n];
1945 const int last_index = s->block_last_index[n];
1948 if (threshold < 0) {
1950 threshold = -threshold;
1954 /* Are all we could set to zero already zero? */
1955 if (last_index <= skip_dc - 1)
1958 for (i = 0; i <= last_index; i++) {
1959 const int j = s->intra_scantable.permutated[i];
1960 const int level = FFABS(block[j]);
1962 if (skip_dc && i == 0)
1966 } else if (level > 1) {
1972 if (score >= threshold)
1974 for (i = skip_dc; i <= last_index; i++) {
1975 const int j = s->intra_scantable.permutated[i];
1979 s->block_last_index[n] = 0;
1981 s->block_last_index[n] = -1;
1984 static inline void clip_coeffs(MpegEncContext *s, int16_t *block,
1988 const int maxlevel = s->max_qcoeff;
1989 const int minlevel = s->min_qcoeff;
1993 i = 1; // skip clipping of intra dc
1997 for (; i <= last_index; i++) {
1998 const int j = s->intra_scantable.permutated[i];
1999 int level = block[j];
2001 if (level > maxlevel) {
2004 } else if (level < minlevel) {
2012 if (overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
2013 av_log(s->avctx, AV_LOG_INFO,
2014 "warning, clipping %d dct coefficients to %d..%d\n",
2015 overflow, minlevel, maxlevel);
2018 static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride)
2022 for (y = 0; y < 8; y++) {
2023 for (x = 0; x < 8; x++) {
2029 for (y2 = FFMAX(y - 1, 0); y2 < FFMIN(8, y + 2); y2++) {
2030 for (x2= FFMAX(x - 1, 0); x2 < FFMIN(8, x + 2); x2++) {
2031 int v = ptr[x2 + y2 * stride];
2037 weight[x + 8 * y]= (36 * ff_sqrt(count * sqr - sum * sum)) / count;
2042 static av_always_inline void encode_mb_internal(MpegEncContext *s,
2043 int motion_x, int motion_y,
2044 int mb_block_height,
2048 int16_t weight[12][64];
2049 int16_t orig[12][64];
2050 const int mb_x = s->mb_x;
2051 const int mb_y = s->mb_y;
2054 int dct_offset = s->linesize * 8; // default for progressive frames
2055 int uv_dct_offset = s->uvlinesize * 8;
2056 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
2057 ptrdiff_t wrap_y, wrap_c;
2059 for (i = 0; i < mb_block_count; i++)
2060 skip_dct[i] = s->skipdct;
2062 if (s->adaptive_quant) {
2063 const int last_qp = s->qscale;
2064 const int mb_xy = mb_x + mb_y * s->mb_stride;
2066 s->lambda = s->lambda_table[mb_xy];
2069 if (!(s->mpv_flags & FF_MPV_FLAG_QP_RD)) {
2070 s->qscale = s->current_picture_ptr->qscale_table[mb_xy];
2071 s->dquant = s->qscale - last_qp;
2073 if (s->out_format == FMT_H263) {
2074 s->dquant = av_clip(s->dquant, -2, 2);
2076 if (s->codec_id == AV_CODEC_ID_MPEG4) {
2078 if (s->pict_type == AV_PICTURE_TYPE_B) {
2079 if (s->dquant & 1 || s->mv_dir & MV_DIRECT)
2082 if (s->mv_type == MV_TYPE_8X8)
2088 ff_set_qscale(s, last_qp + s->dquant);
2089 } else if (s->mpv_flags & FF_MPV_FLAG_QP_RD)
2090 ff_set_qscale(s, s->qscale + s->dquant);
2092 wrap_y = s->linesize;
2093 wrap_c = s->uvlinesize;
2094 ptr_y = s->new_picture.f->data[0] +
2095 (mb_y * 16 * wrap_y) + mb_x * 16;
2096 ptr_cb = s->new_picture.f->data[1] +
2097 (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
2098 ptr_cr = s->new_picture.f->data[2] +
2099 (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
2101 if((mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) && s->codec_id != AV_CODEC_ID_AMV){
2102 uint8_t *ebuf = s->edge_emu_buffer + 36 * wrap_y;
2103 int cw = (s->width + s->chroma_x_shift) >> s->chroma_x_shift;
2104 int ch = (s->height + s->chroma_y_shift) >> s->chroma_y_shift;
2105 s->vdsp.emulated_edge_mc(ebuf, ptr_y,
2107 16, 16, mb_x * 16, mb_y * 16,
2108 s->width, s->height);
2110 s->vdsp.emulated_edge_mc(ebuf + 16 * wrap_y, ptr_cb,
2112 mb_block_width, mb_block_height,
2113 mb_x * mb_block_width, mb_y * mb_block_height,
2115 ptr_cb = ebuf + 16 * wrap_y;
2116 s->vdsp.emulated_edge_mc(ebuf + 16 * wrap_y + 16, ptr_cr,
2118 mb_block_width, mb_block_height,
2119 mb_x * mb_block_width, mb_y * mb_block_height,
2121 ptr_cr = ebuf + 16 * wrap_y + 16;
2125 if (s->flags & CODEC_FLAG_INTERLACED_DCT) {
2126 int progressive_score, interlaced_score;
2128 s->interlaced_dct = 0;
2129 progressive_score = s->mecc.ildct_cmp[4](s, ptr_y, NULL, wrap_y, 8) +
2130 s->mecc.ildct_cmp[4](s, ptr_y + wrap_y * 8,
2131 NULL, wrap_y, 8) - 400;
2133 if (progressive_score > 0) {
2134 interlaced_score = s->mecc.ildct_cmp[4](s, ptr_y,
2135 NULL, wrap_y * 2, 8) +
2136 s->mecc.ildct_cmp[4](s, ptr_y + wrap_y,
2137 NULL, wrap_y * 2, 8);
2138 if (progressive_score > interlaced_score) {
2139 s->interlaced_dct = 1;
2141 dct_offset = wrap_y;
2142 uv_dct_offset = wrap_c;
2144 if (s->chroma_format == CHROMA_422 ||
2145 s->chroma_format == CHROMA_444)
2151 s->pdsp.get_pixels(s->block[0], ptr_y, wrap_y);
2152 s->pdsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
2153 s->pdsp.get_pixels(s->block[2], ptr_y + dct_offset, wrap_y);
2154 s->pdsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
2156 if (s->flags & CODEC_FLAG_GRAY) {
2160 s->pdsp.get_pixels(s->block[4], ptr_cb, wrap_c);
2161 s->pdsp.get_pixels(s->block[5], ptr_cr, wrap_c);
2162 if (!s->chroma_y_shift && s->chroma_x_shift) { /* 422 */
2163 s->pdsp.get_pixels(s->block[6], ptr_cb + uv_dct_offset, wrap_c);
2164 s->pdsp.get_pixels(s->block[7], ptr_cr + uv_dct_offset, wrap_c);
2165 } else if (!s->chroma_y_shift && !s->chroma_x_shift) { /* 444 */
2166 s->pdsp.get_pixels(s->block[ 6], ptr_cb + 8, wrap_c);
2167 s->pdsp.get_pixels(s->block[ 7], ptr_cr + 8, wrap_c);
2168 s->pdsp.get_pixels(s->block[ 8], ptr_cb + uv_dct_offset, wrap_c);
2169 s->pdsp.get_pixels(s->block[ 9], ptr_cr + uv_dct_offset, wrap_c);
2170 s->pdsp.get_pixels(s->block[10], ptr_cb + uv_dct_offset + 8, wrap_c);
2171 s->pdsp.get_pixels(s->block[11], ptr_cr + uv_dct_offset + 8, wrap_c);
2175 op_pixels_func (*op_pix)[4];
2176 qpel_mc_func (*op_qpix)[16];
2177 uint8_t *dest_y, *dest_cb, *dest_cr;
2179 dest_y = s->dest[0];
2180 dest_cb = s->dest[1];
2181 dest_cr = s->dest[2];
2183 if ((!s->no_rounding) || s->pict_type == AV_PICTURE_TYPE_B) {
2184 op_pix = s->hdsp.put_pixels_tab;
2185 op_qpix = s->qdsp.put_qpel_pixels_tab;
2187 op_pix = s->hdsp.put_no_rnd_pixels_tab;
2188 op_qpix = s->qdsp.put_no_rnd_qpel_pixels_tab;
2191 if (s->mv_dir & MV_DIR_FORWARD) {
2192 ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 0,
2193 s->last_picture.f->data,
2195 op_pix = s->hdsp.avg_pixels_tab;
2196 op_qpix = s->qdsp.avg_qpel_pixels_tab;
2198 if (s->mv_dir & MV_DIR_BACKWARD) {
2199 ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 1,
2200 s->next_picture.f->data,
2204 if (s->flags & CODEC_FLAG_INTERLACED_DCT) {
2205 int progressive_score, interlaced_score;
2207 s->interlaced_dct = 0;
2208 progressive_score = s->mecc.ildct_cmp[0](s, dest_y, ptr_y, wrap_y, 8) +
2209 s->mecc.ildct_cmp[0](s, dest_y + wrap_y * 8,
2213 if (s->avctx->ildct_cmp == FF_CMP_VSSE)
2214 progressive_score -= 400;
2216 if (progressive_score > 0) {
2217 interlaced_score = s->mecc.ildct_cmp[0](s, dest_y, ptr_y,
2219 s->mecc.ildct_cmp[0](s, dest_y + wrap_y,
2223 if (progressive_score > interlaced_score) {
2224 s->interlaced_dct = 1;
2226 dct_offset = wrap_y;
2227 uv_dct_offset = wrap_c;
2229 if (s->chroma_format == CHROMA_422)
2235 s->pdsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);
2236 s->pdsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
2237 s->pdsp.diff_pixels(s->block[2], ptr_y + dct_offset,
2238 dest_y + dct_offset, wrap_y);
2239 s->pdsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
2240 dest_y + dct_offset + 8, wrap_y);
2242 if (s->flags & CODEC_FLAG_GRAY) {
2246 s->pdsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
2247 s->pdsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
2248 if (!s->chroma_y_shift) { /* 422 */
2249 s->pdsp.diff_pixels(s->block[6], ptr_cb + uv_dct_offset,
2250 dest_cb + uv_dct_offset, wrap_c);
2251 s->pdsp.diff_pixels(s->block[7], ptr_cr + uv_dct_offset,
2252 dest_cr + uv_dct_offset, wrap_c);
2255 /* pre quantization */
2256 if (s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] <
2257 2 * s->qscale * s->qscale) {
2259 if (s->mecc.sad[1](NULL, ptr_y, dest_y, wrap_y, 8) < 20 * s->qscale)
2261 if (s->mecc.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20 * s->qscale)
2263 if (s->mecc.sad[1](NULL, ptr_y + dct_offset, dest_y + dct_offset,
2264 wrap_y, 8) < 20 * s->qscale)
2266 if (s->mecc.sad[1](NULL, ptr_y + dct_offset + 8, dest_y + dct_offset + 8,
2267 wrap_y, 8) < 20 * s->qscale)
2269 if (s->mecc.sad[1](NULL, ptr_cb, dest_cb, wrap_c, 8) < 20 * s->qscale)
2271 if (s->mecc.sad[1](NULL, ptr_cr, dest_cr, wrap_c, 8) < 20 * s->qscale)
2273 if (!s->chroma_y_shift) { /* 422 */
2274 if (s->mecc.sad[1](NULL, ptr_cb + uv_dct_offset,
2275 dest_cb + uv_dct_offset,
2276 wrap_c, 8) < 20 * s->qscale)
2278 if (s->mecc.sad[1](NULL, ptr_cr + uv_dct_offset,
2279 dest_cr + uv_dct_offset,
2280 wrap_c, 8) < 20 * s->qscale)
2286 if (s->quantizer_noise_shaping) {
2288 get_visual_weight(weight[0], ptr_y , wrap_y);
2290 get_visual_weight(weight[1], ptr_y + 8, wrap_y);
2292 get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
2294 get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
2296 get_visual_weight(weight[4], ptr_cb , wrap_c);
2298 get_visual_weight(weight[5], ptr_cr , wrap_c);
2299 if (!s->chroma_y_shift) { /* 422 */
2301 get_visual_weight(weight[6], ptr_cb + uv_dct_offset,
2304 get_visual_weight(weight[7], ptr_cr + uv_dct_offset,
2307 memcpy(orig[0], s->block[0], sizeof(int16_t) * 64 * mb_block_count);
2310 /* DCT & quantize */
2311 av_assert2(s->out_format != FMT_MJPEG || s->qscale == 8);
2313 for (i = 0; i < mb_block_count; i++) {
2316 s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
2317 // FIXME we could decide to change to quantizer instead of
2319 // JS: I don't think that would be a good idea it could lower
2320 // quality instead of improve it. Just INTRADC clipping
2321 // deserves changes in quantizer
2323 clip_coeffs(s, s->block[i], s->block_last_index[i]);
2325 s->block_last_index[i] = -1;
2327 if (s->quantizer_noise_shaping) {
2328 for (i = 0; i < mb_block_count; i++) {
2330 s->block_last_index[i] =
2331 dct_quantize_refine(s, s->block[i], weight[i],
2332 orig[i], i, s->qscale);
2337 if (s->luma_elim_threshold && !s->mb_intra)
2338 for (i = 0; i < 4; i++)
2339 dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
2340 if (s->chroma_elim_threshold && !s->mb_intra)
2341 for (i = 4; i < mb_block_count; i++)
2342 dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
2344 if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
2345 for (i = 0; i < mb_block_count; i++) {
2346 if (s->block_last_index[i] == -1)
2347 s->coded_score[i] = INT_MAX / 256;
2352 if ((s->flags & CODEC_FLAG_GRAY) && s->mb_intra) {
2353 s->block_last_index[4] =
2354 s->block_last_index[5] = 0;
2356 s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale;
2357 if (!s->chroma_y_shift) { /* 422 / 444 */
2358 for (i=6; i<12; i++) {
2359 s->block_last_index[i] = 0;
2360 s->block[i][0] = s->block[4][0];
2365 // non c quantize code returns incorrect block_last_index FIXME
2366 if (s->alternate_scan && s->dct_quantize != ff_dct_quantize_c) {
2367 for (i = 0; i < mb_block_count; i++) {
2369 if (s->block_last_index[i] > 0) {
2370 for (j = 63; j > 0; j--) {
2371 if (s->block[i][s->intra_scantable.permutated[j]])
2374 s->block_last_index[i] = j;
2379 /* huffman encode */
2380 switch(s->codec_id){ //FIXME funct ptr could be slightly faster
2381 case AV_CODEC_ID_MPEG1VIDEO:
2382 case AV_CODEC_ID_MPEG2VIDEO:
2383 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
2384 ff_mpeg1_encode_mb(s, s->block, motion_x, motion_y);
2386 case AV_CODEC_ID_MPEG4:
2387 if (CONFIG_MPEG4_ENCODER)
2388 ff_mpeg4_encode_mb(s, s->block, motion_x, motion_y);
2390 case AV_CODEC_ID_MSMPEG4V2:
2391 case AV_CODEC_ID_MSMPEG4V3:
2392 case AV_CODEC_ID_WMV1:
2393 if (CONFIG_MSMPEG4_ENCODER)
2394 ff_msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
2396 case AV_CODEC_ID_WMV2:
2397 if (CONFIG_WMV2_ENCODER)
2398 ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
2400 case AV_CODEC_ID_H261:
2401 if (CONFIG_H261_ENCODER)
2402 ff_h261_encode_mb(s, s->block, motion_x, motion_y);
2404 case AV_CODEC_ID_H263:
2405 case AV_CODEC_ID_H263P:
2406 case AV_CODEC_ID_FLV1:
2407 case AV_CODEC_ID_RV10:
2408 case AV_CODEC_ID_RV20:
2409 if (CONFIG_H263_ENCODER)
2410 ff_h263_encode_mb(s, s->block, motion_x, motion_y);
2412 case AV_CODEC_ID_MJPEG:
2413 case AV_CODEC_ID_AMV:
2414 if (CONFIG_MJPEG_ENCODER)
2415 ff_mjpeg_encode_mb(s, s->block);
2422 static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
2424 if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 8, 6);
2425 else if (s->chroma_format == CHROMA_422) encode_mb_internal(s, motion_x, motion_y, 16, 8, 8);
2426 else encode_mb_internal(s, motion_x, motion_y, 16, 16, 12);
2429 static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
2432 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
2435 d->mb_skip_run= s->mb_skip_run;
2437 d->last_dc[i] = s->last_dc[i];
2440 d->mv_bits= s->mv_bits;
2441 d->i_tex_bits= s->i_tex_bits;
2442 d->p_tex_bits= s->p_tex_bits;
2443 d->i_count= s->i_count;
2444 d->f_count= s->f_count;
2445 d->b_count= s->b_count;
2446 d->skip_count= s->skip_count;
2447 d->misc_bits= s->misc_bits;
2451 d->qscale= s->qscale;
2452 d->dquant= s->dquant;
2454 d->esc3_level_length= s->esc3_level_length;
2457 static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
2460 memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
2461 memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
2464 d->mb_skip_run= s->mb_skip_run;
2466 d->last_dc[i] = s->last_dc[i];
2469 d->mv_bits= s->mv_bits;
2470 d->i_tex_bits= s->i_tex_bits;
2471 d->p_tex_bits= s->p_tex_bits;
2472 d->i_count= s->i_count;
2473 d->f_count= s->f_count;
2474 d->b_count= s->b_count;
2475 d->skip_count= s->skip_count;
2476 d->misc_bits= s->misc_bits;
2478 d->mb_intra= s->mb_intra;
2479 d->mb_skipped= s->mb_skipped;
2480 d->mv_type= s->mv_type;
2481 d->mv_dir= s->mv_dir;
2483 if(s->data_partitioning){
2485 d->tex_pb= s->tex_pb;
2489 d->block_last_index[i]= s->block_last_index[i];
2490 d->interlaced_dct= s->interlaced_dct;
2491 d->qscale= s->qscale;
2493 d->esc3_level_length= s->esc3_level_length;
2496 static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
2497 PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
2498 int *dmin, int *next_block, int motion_x, int motion_y)
2501 uint8_t *dest_backup[3];
2503 copy_context_before_encode(s, backup, type);
2505 s->block= s->blocks[*next_block];
2506 s->pb= pb[*next_block];
2507 if(s->data_partitioning){
2508 s->pb2 = pb2 [*next_block];
2509 s->tex_pb= tex_pb[*next_block];
2513 memcpy(dest_backup, s->dest, sizeof(s->dest));
2514 s->dest[0] = s->rd_scratchpad;
2515 s->dest[1] = s->rd_scratchpad + 16*s->linesize;
2516 s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
2517 av_assert0(s->linesize >= 32); //FIXME
2520 encode_mb(s, motion_x, motion_y);
2522 score= put_bits_count(&s->pb);
2523 if(s->data_partitioning){
2524 score+= put_bits_count(&s->pb2);
2525 score+= put_bits_count(&s->tex_pb);
2528 if(s->avctx->mb_decision == FF_MB_DECISION_RD){
2529 ff_mpv_decode_mb(s, s->block);
2531 score *= s->lambda2;
2532 score += sse_mb(s) << FF_LAMBDA_SHIFT;
2536 memcpy(s->dest, dest_backup, sizeof(s->dest));
2543 copy_context_after_encode(best, s, type);
2547 static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
2548 uint32_t *sq = ff_square_tab + 256;
2553 return s->mecc.sse[0](NULL, src1, src2, stride, 16);
2554 else if(w==8 && h==8)
2555 return s->mecc.sse[1](NULL, src1, src2, stride, 8);
2559 acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
2568 static int sse_mb(MpegEncContext *s){
2572 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
2573 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
2576 if(s->avctx->mb_cmp == FF_CMP_NSSE){
2577 return s->mecc.nsse[0](s, s->new_picture.f->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16, s->dest[0], s->linesize, 16) +
2578 s->mecc.nsse[1](s, s->new_picture.f->data[1] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[1], s->uvlinesize, 8) +
2579 s->mecc.nsse[1](s, s->new_picture.f->data[2] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[2], s->uvlinesize, 8);
2581 return s->mecc.sse[0](NULL, s->new_picture.f->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16, s->dest[0], s->linesize, 16) +
2582 s->mecc.sse[1](NULL, s->new_picture.f->data[1] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[1], s->uvlinesize, 8) +
2583 s->mecc.sse[1](NULL, s->new_picture.f->data[2] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[2], s->uvlinesize, 8);
2586 return sse(s, s->new_picture.f->data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
2587 +sse(s, s->new_picture.f->data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize)
2588 +sse(s, s->new_picture.f->data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
2591 static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
2592 MpegEncContext *s= *(void**)arg;
2596 s->me.dia_size= s->avctx->pre_dia_size;
2597 s->first_slice_line=1;
2598 for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
2599 for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
2600 ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
2602 s->first_slice_line=0;
2610 static int estimate_motion_thread(AVCodecContext *c, void *arg){
2611 MpegEncContext *s= *(void**)arg;
2613 ff_check_alignment();
2615 s->me.dia_size= s->avctx->dia_size;
2616 s->first_slice_line=1;
2617 for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
2618 s->mb_x=0; //for block init below
2619 ff_init_block_index(s);
2620 for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
2621 s->block_index[0]+=2;
2622 s->block_index[1]+=2;
2623 s->block_index[2]+=2;
2624 s->block_index[3]+=2;
2626 /* compute motion vector & mb_type and store in context */
2627 if(s->pict_type==AV_PICTURE_TYPE_B)
2628 ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
2630 ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
2632 s->first_slice_line=0;
2637 static int mb_var_thread(AVCodecContext *c, void *arg){
2638 MpegEncContext *s= *(void**)arg;
2641 ff_check_alignment();
2643 for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2644 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2647 uint8_t *pix = s->new_picture.f->data[0] + (yy * s->linesize) + xx;
2649 int sum = s->mpvencdsp.pix_sum(pix, s->linesize);
2651 varc = (s->mpvencdsp.pix_norm1(pix, s->linesize) -
2652 (((unsigned) sum * sum) >> 8) + 500 + 128) >> 8;
2654 s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
2655 s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
2656 s->me.mb_var_sum_temp += varc;
2662 static void write_slice_end(MpegEncContext *s){
2663 if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4){
2664 if(s->partitioned_frame){
2665 ff_mpeg4_merge_partitions(s);
2668 ff_mpeg4_stuffing(&s->pb);
2669 }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
2670 ff_mjpeg_encode_stuffing(s);
2673 avpriv_align_put_bits(&s->pb);
2674 flush_put_bits(&s->pb);
2676 if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
2677 s->misc_bits+= get_bits_diff(s);
2680 static void write_mb_info(MpegEncContext *s)
2682 uint8_t *ptr = s->mb_info_ptr + s->mb_info_size - 12;
2683 int offset = put_bits_count(&s->pb);
2684 int mba = s->mb_x + s->mb_width * (s->mb_y % s->gob_index);
2685 int gobn = s->mb_y / s->gob_index;
2687 if (CONFIG_H263_ENCODER)
2688 ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
2689 bytestream_put_le32(&ptr, offset);
2690 bytestream_put_byte(&ptr, s->qscale);
2691 bytestream_put_byte(&ptr, gobn);
2692 bytestream_put_le16(&ptr, mba);
2693 bytestream_put_byte(&ptr, pred_x); /* hmv1 */
2694 bytestream_put_byte(&ptr, pred_y); /* vmv1 */
2695 /* 4MV not implemented */
2696 bytestream_put_byte(&ptr, 0); /* hmv2 */
2697 bytestream_put_byte(&ptr, 0); /* vmv2 */
2700 static void update_mb_info(MpegEncContext *s, int startcode)
2704 if (put_bits_count(&s->pb) - s->prev_mb_info*8 >= s->mb_info*8) {
2705 s->mb_info_size += 12;
2706 s->prev_mb_info = s->last_mb_info;
2709 s->prev_mb_info = put_bits_count(&s->pb)/8;
2710 /* This might have incremented mb_info_size above, and we return without
2711 * actually writing any info into that slot yet. But in that case,
2712 * this will be called again at the start of the after writing the
2713 * start code, actually writing the mb info. */
2717 s->last_mb_info = put_bits_count(&s->pb)/8;
2718 if (!s->mb_info_size)
2719 s->mb_info_size += 12;
2723 static int encode_thread(AVCodecContext *c, void *arg){
2724 MpegEncContext *s= *(void**)arg;
2725 int mb_x, mb_y, pdif = 0;
2726 int chr_h= 16>>s->chroma_y_shift;
2728 MpegEncContext best_s, backup_s;
2729 uint8_t bit_buf[2][MAX_MB_BYTES];
2730 uint8_t bit_buf2[2][MAX_MB_BYTES];
2731 uint8_t bit_buf_tex[2][MAX_MB_BYTES];
2732 PutBitContext pb[2], pb2[2], tex_pb[2];
2734 ff_check_alignment();
2737 init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
2738 init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
2739 init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
2742 s->last_bits= put_bits_count(&s->pb);
2753 /* init last dc values */
2754 /* note: quant matrix value (8) is implied here */
2755 s->last_dc[i] = 128 << s->intra_dc_precision;
2757 s->current_picture.error[i] = 0;
2759 if(s->codec_id==AV_CODEC_ID_AMV){
2760 s->last_dc[0] = 128*8/13;
2761 s->last_dc[1] = 128*8/14;
2762 s->last_dc[2] = 128*8/14;
2765 memset(s->last_mv, 0, sizeof(s->last_mv));
2769 switch(s->codec_id){
2770 case AV_CODEC_ID_H263:
2771 case AV_CODEC_ID_H263P:
2772 case AV_CODEC_ID_FLV1:
2773 if (CONFIG_H263_ENCODER)
2774 s->gob_index = ff_h263_get_gob_height(s);
2776 case AV_CODEC_ID_MPEG4:
2777 if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
2778 ff_mpeg4_init_partitions(s);
2784 s->first_slice_line = 1;
2785 s->ptr_lastgob = s->pb.buf;
2786 for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
2790 ff_set_qscale(s, s->qscale);
2791 ff_init_block_index(s);
2793 for(mb_x=0; mb_x < s->mb_width; mb_x++) {
2794 int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
2795 int mb_type= s->mb_type[xy];
2800 if ( s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES
2801 && s->slice_context_count == 1
2802 && s->pb.buf == s->avctx->internal->byte_buffer) {
2803 int new_size = s->avctx->internal->byte_buffer_size
2804 + s->avctx->internal->byte_buffer_size/4
2805 + s->mb_width*MAX_MB_BYTES;
2806 int lastgob_pos = s->ptr_lastgob - s->pb.buf;
2807 int vbv_pos = s->vbv_delay_ptr - s->pb.buf;
2809 uint8_t *new_buffer = NULL;
2810 int new_buffer_size = 0;
2812 av_fast_padded_malloc(&new_buffer, &new_buffer_size, new_size);
2814 memcpy(new_buffer, s->avctx->internal->byte_buffer, s->avctx->internal->byte_buffer_size);
2815 av_free(s->avctx->internal->byte_buffer);
2816 s->avctx->internal->byte_buffer = new_buffer;
2817 s->avctx->internal->byte_buffer_size = new_buffer_size;
2818 rebase_put_bits(&s->pb, new_buffer, new_buffer_size);
2819 s->ptr_lastgob = s->pb.buf + lastgob_pos;
2820 s->vbv_delay_ptr = s->pb.buf + vbv_pos;
2823 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
2824 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
2827 if(s->data_partitioning){
2828 if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
2829 || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
2830 av_log(s->avctx, AV_LOG_ERROR, "encoded partitioned frame too large\n");
2836 s->mb_y = mb_y; // moved into loop, can get changed by H.261
2837 ff_update_block_index(s);
2839 if(CONFIG_H261_ENCODER && s->codec_id == AV_CODEC_ID_H261){
2840 ff_h261_reorder_mb_index(s);
2841 xy= s->mb_y*s->mb_stride + s->mb_x;
2842 mb_type= s->mb_type[xy];
2845 /* write gob / video packet header */
2847 int current_packet_size, is_gob_start;
2849 current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
2851 is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
2853 if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
2855 switch(s->codec_id){
2856 case AV_CODEC_ID_H263:
2857 case AV_CODEC_ID_H263P:
2858 if(!s->h263_slice_structured)
2859 if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
2861 case AV_CODEC_ID_MPEG2VIDEO:
2862 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2863 case AV_CODEC_ID_MPEG1VIDEO:
2864 if(s->mb_skip_run) is_gob_start=0;
2866 case AV_CODEC_ID_MJPEG:
2867 if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
2872 if(s->start_mb_y != mb_y || mb_x!=0){
2875 if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4 && s->partitioned_frame){
2876 ff_mpeg4_init_partitions(s);
2880 av_assert2((put_bits_count(&s->pb)&7) == 0);
2881 current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
2883 if (s->error_rate && s->resync_mb_x + s->resync_mb_y > 0) {
2884 int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
2885 int d = 100 / s->error_rate;
2887 current_packet_size=0;
2888 s->pb.buf_ptr= s->ptr_lastgob;
2889 assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
2893 if (s->avctx->rtp_callback){
2894 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
2895 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
2897 update_mb_info(s, 1);
2899 switch(s->codec_id){
2900 case AV_CODEC_ID_MPEG4:
2901 if (CONFIG_MPEG4_ENCODER) {
2902 ff_mpeg4_encode_video_packet_header(s);
2903 ff_mpeg4_clean_buffers(s);
2906 case AV_CODEC_ID_MPEG1VIDEO:
2907 case AV_CODEC_ID_MPEG2VIDEO:
2908 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
2909 ff_mpeg1_encode_slice_header(s);
2910 ff_mpeg1_clean_buffers(s);
2913 case AV_CODEC_ID_H263:
2914 case AV_CODEC_ID_H263P:
2915 if (CONFIG_H263_ENCODER)
2916 ff_h263_encode_gob_header(s, mb_y);
2920 if(s->flags&CODEC_FLAG_PASS1){
2921 int bits= put_bits_count(&s->pb);
2922 s->misc_bits+= bits - s->last_bits;
2926 s->ptr_lastgob += current_packet_size;
2927 s->first_slice_line=1;
2928 s->resync_mb_x=mb_x;
2929 s->resync_mb_y=mb_y;
2933 if( (s->resync_mb_x == s->mb_x)
2934 && s->resync_mb_y+1 == s->mb_y){
2935 s->first_slice_line=0;
2939 s->dquant=0; //only for QP_RD
2941 update_mb_info(s, 0);
2943 if (mb_type & (mb_type-1) || (s->mpv_flags & FF_MPV_FLAG_QP_RD)) { // more than 1 MB type possible or FF_MPV_FLAG_QP_RD
2945 int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
2947 copy_context_before_encode(&backup_s, s, -1);
2949 best_s.data_partitioning= s->data_partitioning;
2950 best_s.partitioned_frame= s->partitioned_frame;
2951 if(s->data_partitioning){
2952 backup_s.pb2= s->pb2;
2953 backup_s.tex_pb= s->tex_pb;
2956 if(mb_type&CANDIDATE_MB_TYPE_INTER){
2957 s->mv_dir = MV_DIR_FORWARD;
2958 s->mv_type = MV_TYPE_16X16;
2960 s->mv[0][0][0] = s->p_mv_table[xy][0];
2961 s->mv[0][0][1] = s->p_mv_table[xy][1];
2962 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
2963 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2965 if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
2966 s->mv_dir = MV_DIR_FORWARD;
2967 s->mv_type = MV_TYPE_FIELD;
2970 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
2971 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
2972 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
2974 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
2975 &dmin, &next_block, 0, 0);
2977 if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
2978 s->mv_dir = MV_DIR_FORWARD;
2979 s->mv_type = MV_TYPE_16X16;
2983 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
2984 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
2986 if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
2987 s->mv_dir = MV_DIR_FORWARD;
2988 s->mv_type = MV_TYPE_8X8;
2991 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
2992 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
2994 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
2995 &dmin, &next_block, 0, 0);
2997 if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
2998 s->mv_dir = MV_DIR_FORWARD;
2999 s->mv_type = MV_TYPE_16X16;
3001 s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
3002 s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
3003 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
3004 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
3006 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
3007 s->mv_dir = MV_DIR_BACKWARD;
3008 s->mv_type = MV_TYPE_16X16;
3010 s->mv[1][0][0] = s->b_back_mv_table[xy][0];
3011 s->mv[1][0][1] = s->b_back_mv_table[xy][1];
3012 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
3013 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
3015 if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
3016 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
3017 s->mv_type = MV_TYPE_16X16;
3019 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
3020 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
3021 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
3022 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
3023 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
3024 &dmin, &next_block, 0, 0);
3026 if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
3027 s->mv_dir = MV_DIR_FORWARD;
3028 s->mv_type = MV_TYPE_FIELD;
3031 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
3032 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
3033 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
3035 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
3036 &dmin, &next_block, 0, 0);
3038 if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
3039 s->mv_dir = MV_DIR_BACKWARD;
3040 s->mv_type = MV_TYPE_FIELD;
3043 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
3044 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
3045 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
3047 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
3048 &dmin, &next_block, 0, 0);
3050 if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
3051 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
3052 s->mv_type = MV_TYPE_FIELD;
3054 for(dir=0; dir<2; dir++){
3056 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
3057 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
3058 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
3061 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
3062 &dmin, &next_block, 0, 0);
3064 if(mb_type&CANDIDATE_MB_TYPE_INTRA){
3066 s->mv_type = MV_TYPE_16X16;
3070 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
3071 &dmin, &next_block, 0, 0);
3072 if(s->h263_pred || s->h263_aic){
3074 s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
3076 ff_clean_intra_table_entries(s); //old mode?
3080 if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) && dmin < INT_MAX) {
3081 if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
3082 const int last_qp= backup_s.qscale;
3085 const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
3086 static const int dquant_tab[4]={-1,1,-2,2};
3087 int storecoefs = s->mb_intra && s->dc_val[0];
3089 av_assert2(backup_s.dquant == 0);
3092 s->mv_dir= best_s.mv_dir;
3093 s->mv_type = MV_TYPE_16X16;
3094 s->mb_intra= best_s.mb_intra;
3095 s->mv[0][0][0] = best_s.mv[0][0][0];
3096 s->mv[0][0][1] = best_s.mv[0][0][1];
3097 s->mv[1][0][0] = best_s.mv[1][0][0];
3098 s->mv[1][0][1] = best_s.mv[1][0][1];
3100 qpi = s->pict_type == AV_PICTURE_TYPE_B ? 2 : 0;
3101 for(; qpi<4; qpi++){
3102 int dquant= dquant_tab[qpi];
3103 qp= last_qp + dquant;
3104 if(qp < s->avctx->qmin || qp > s->avctx->qmax)
3106 backup_s.dquant= dquant;
3109 dc[i]= s->dc_val[0][ s->block_index[i] ];
3110 memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(int16_t)*16);
3114 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
3115 &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
3116 if(best_s.qscale != qp){
3119 s->dc_val[0][ s->block_index[i] ]= dc[i];
3120 memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(int16_t)*16);
3127 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
3128 int mx= s->b_direct_mv_table[xy][0];
3129 int my= s->b_direct_mv_table[xy][1];
3131 backup_s.dquant = 0;
3132 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
3134 ff_mpeg4_set_direct_mv(s, mx, my);
3135 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
3136 &dmin, &next_block, mx, my);
3138 if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
3139 backup_s.dquant = 0;
3140 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
3142 ff_mpeg4_set_direct_mv(s, 0, 0);
3143 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
3144 &dmin, &next_block, 0, 0);
3146 if (!best_s.mb_intra && s->mpv_flags & FF_MPV_FLAG_SKIP_RD) {
3149 coded |= s->block_last_index[i];
3152 memcpy(s->mv, best_s.mv, sizeof(s->mv));
3153 if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
3154 mx=my=0; //FIXME find the one we actually used
3155 ff_mpeg4_set_direct_mv(s, mx, my);
3156 }else if(best_s.mv_dir&MV_DIR_BACKWARD){
3164 s->mv_dir= best_s.mv_dir;
3165 s->mv_type = best_s.mv_type;
3167 /* s->mv[0][0][0] = best_s.mv[0][0][0];
3168 s->mv[0][0][1] = best_s.mv[0][0][1];
3169 s->mv[1][0][0] = best_s.mv[1][0][0];
3170 s->mv[1][0][1] = best_s.mv[1][0][1];*/
3173 encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
3174 &dmin, &next_block, mx, my);
3179 s->current_picture.qscale_table[xy] = best_s.qscale;
3181 copy_context_after_encode(s, &best_s, -1);
3183 pb_bits_count= put_bits_count(&s->pb);
3184 flush_put_bits(&s->pb);
3185 avpriv_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
3188 if(s->data_partitioning){
3189 pb2_bits_count= put_bits_count(&s->pb2);
3190 flush_put_bits(&s->pb2);
3191 avpriv_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
3192 s->pb2= backup_s.pb2;
3194 tex_pb_bits_count= put_bits_count(&s->tex_pb);
3195 flush_put_bits(&s->tex_pb);
3196 avpriv_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
3197 s->tex_pb= backup_s.tex_pb;
3199 s->last_bits= put_bits_count(&s->pb);
3201 if (CONFIG_H263_ENCODER &&
3202 s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
3203 ff_h263_update_motion_val(s);
3205 if(next_block==0){ //FIXME 16 vs linesize16
3206 s->hdsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
3207 s->hdsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
3208 s->hdsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
3211 if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
3212 ff_mpv_decode_mb(s, s->block);
3214 int motion_x = 0, motion_y = 0;
3215 s->mv_type=MV_TYPE_16X16;
3216 // only one MB-Type possible
3219 case CANDIDATE_MB_TYPE_INTRA:
3222 motion_x= s->mv[0][0][0] = 0;
3223 motion_y= s->mv[0][0][1] = 0;
3225 case CANDIDATE_MB_TYPE_INTER:
3226 s->mv_dir = MV_DIR_FORWARD;
3228 motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
3229 motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
3231 case CANDIDATE_MB_TYPE_INTER_I:
3232 s->mv_dir = MV_DIR_FORWARD;
3233 s->mv_type = MV_TYPE_FIELD;
3236 j= s->field_select[0][i] = s->p_field_select_table[i][xy];
3237 s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
3238 s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
3241 case CANDIDATE_MB_TYPE_INTER4V:
3242 s->mv_dir = MV_DIR_FORWARD;
3243 s->mv_type = MV_TYPE_8X8;
3246 s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
3247 s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
3250 case CANDIDATE_MB_TYPE_DIRECT:
3251 if (CONFIG_MPEG4_ENCODER) {
3252 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
3254 motion_x=s->b_direct_mv_table[xy][0];
3255 motion_y=s->b_direct_mv_table[xy][1];
3256 ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
3259 case CANDIDATE_MB_TYPE_DIRECT0:
3260 if (CONFIG_MPEG4_ENCODER) {
3261 s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
3263 ff_mpeg4_set_direct_mv(s, 0, 0);
3266 case CANDIDATE_MB_TYPE_BIDIR:
3267 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
3269 s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
3270 s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
3271 s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
3272 s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
3274 case CANDIDATE_MB_TYPE_BACKWARD:
3275 s->mv_dir = MV_DIR_BACKWARD;
3277 motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
3278 motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
3280 case CANDIDATE_MB_TYPE_FORWARD:
3281 s->mv_dir = MV_DIR_FORWARD;
3283 motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
3284 motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
3286 case CANDIDATE_MB_TYPE_FORWARD_I:
3287 s->mv_dir = MV_DIR_FORWARD;
3288 s->mv_type = MV_TYPE_FIELD;
3291 j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
3292 s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
3293 s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
3296 case CANDIDATE_MB_TYPE_BACKWARD_I:
3297 s->mv_dir = MV_DIR_BACKWARD;
3298 s->mv_type = MV_TYPE_FIELD;
3301 j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
3302 s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
3303 s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
3306 case CANDIDATE_MB_TYPE_BIDIR_I:
3307 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
3308 s->mv_type = MV_TYPE_FIELD;
3310 for(dir=0; dir<2; dir++){
3312 j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
3313 s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
3314 s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
3319 av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
3322 encode_mb(s, motion_x, motion_y);
3324 // RAL: Update last macroblock type
3325 s->last_mv_dir = s->mv_dir;
3327 if (CONFIG_H263_ENCODER &&
3328 s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
3329 ff_h263_update_motion_val(s);
3331 ff_mpv_decode_mb(s, s->block);
3334 /* clean the MV table in IPS frames for direct mode in B frames */
3335 if(s->mb_intra /* && I,P,S_TYPE */){
3336 s->p_mv_table[xy][0]=0;
3337 s->p_mv_table[xy][1]=0;
3340 if(s->flags&CODEC_FLAG_PSNR){
3344 if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
3345 if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
3347 s->current_picture.error[0] += sse(
3348 s, s->new_picture.f->data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
3349 s->dest[0], w, h, s->linesize);
3350 s->current_picture.error[1] += sse(
3351 s, s->new_picture.f->data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
3352 s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3353 s->current_picture.error[2] += sse(
3354 s, s->new_picture.f->data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
3355 s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
3358 if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
3359 ff_h263_loop_filter(s);
3361 av_dlog(s->avctx, "MB %d %d bits\n",
3362 s->mb_x + s->mb_y * s->mb_stride, put_bits_count(&s->pb));
3366 //not beautiful here but we must write it before flushing so it has to be here
3367 if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == AV_PICTURE_TYPE_I)
3368 ff_msmpeg4_encode_ext_header(s);
3372 /* Send the last GOB if RTP */
3373 if (s->avctx->rtp_callback) {
3374 int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
3375 pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
3376 /* Call the RTP callback to send the last GOB */
3378 s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
3384 #define MERGE(field) dst->field += src->field; src->field=0
3385 static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
3386 MERGE(me.scene_change_score);
3387 MERGE(me.mc_mb_var_sum_temp);
3388 MERGE(me.mb_var_sum_temp);
3391 static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
3394 MERGE(dct_count[0]); //note, the other dct vars are not part of the context
3395 MERGE(dct_count[1]);
3404 MERGE(er.error_count);
3405 MERGE(padding_bug_score);
3406 MERGE(current_picture.error[0]);
3407 MERGE(current_picture.error[1]);
3408 MERGE(current_picture.error[2]);
3410 if(dst->avctx->noise_reduction){
3411 for(i=0; i<64; i++){
3412 MERGE(dct_error_sum[0][i]);
3413 MERGE(dct_error_sum[1][i]);
3417 assert(put_bits_count(&src->pb) % 8 ==0);
3418 assert(put_bits_count(&dst->pb) % 8 ==0);
3419 avpriv_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
3420 flush_put_bits(&dst->pb);
3423 static int estimate_qp(MpegEncContext *s, int dry_run){
3424 if (s->next_lambda){
3425 s->current_picture_ptr->f->quality =
3426 s->current_picture.f->quality = s->next_lambda;
3427 if(!dry_run) s->next_lambda= 0;
3428 } else if (!s->fixed_qscale) {
3429 s->current_picture_ptr->f->quality =
3430 s->current_picture.f->quality = ff_rate_estimate_qscale(s, dry_run);
3431 if (s->current_picture.f->quality < 0)
3435 if(s->adaptive_quant){
3436 switch(s->codec_id){
3437 case AV_CODEC_ID_MPEG4:
3438 if (CONFIG_MPEG4_ENCODER)
3439 ff_clean_mpeg4_qscales(s);
3441 case AV_CODEC_ID_H263:
3442 case AV_CODEC_ID_H263P:
3443 case AV_CODEC_ID_FLV1:
3444 if (CONFIG_H263_ENCODER)
3445 ff_clean_h263_qscales(s);
3448 ff_init_qscale_tab(s);
3451 s->lambda= s->lambda_table[0];
3454 s->lambda = s->current_picture.f->quality;
3459 /* must be called before writing the header */
3460 static void set_frame_distances(MpegEncContext * s){
3461 av_assert1(s->current_picture_ptr->f->pts != AV_NOPTS_VALUE);
3462 s->time = s->current_picture_ptr->f->pts * s->avctx->time_base.num;
3464 if(s->pict_type==AV_PICTURE_TYPE_B){
3465 s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
3466 assert(s->pb_time > 0 && s->pb_time < s->pp_time);
3468 s->pp_time= s->time - s->last_non_b_time;
3469 s->last_non_b_time= s->time;
3470 assert(s->picture_number==0 || s->pp_time > 0);
3474 static int encode_picture(MpegEncContext *s, int picture_number)
3478 int context_count = s->slice_context_count;
3480 s->picture_number = picture_number;
3482 /* Reset the average MB variance */
3483 s->me.mb_var_sum_temp =
3484 s->me.mc_mb_var_sum_temp = 0;
3486 /* we need to initialize some time vars before we can encode b-frames */
3487 // RAL: Condition added for MPEG1VIDEO
3488 if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->msmpeg4_version))
3489 set_frame_distances(s);
3490 if(CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4)
3491 ff_set_mpeg4_time(s);
3493 s->me.scene_change_score=0;
3495 // s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
3497 if(s->pict_type==AV_PICTURE_TYPE_I){
3498 if(s->msmpeg4_version >= 3) s->no_rounding=1;
3499 else s->no_rounding=0;
3500 }else if(s->pict_type!=AV_PICTURE_TYPE_B){
3501 if(s->flipflop_rounding || s->codec_id == AV_CODEC_ID_H263P || s->codec_id == AV_CODEC_ID_MPEG4)
3502 s->no_rounding ^= 1;
3505 if(s->flags & CODEC_FLAG_PASS2){
3506 if (estimate_qp(s,1) < 0)
3508 ff_get_2pass_fcode(s);
3509 }else if(!(s->flags & CODEC_FLAG_QSCALE)){
3510 if(s->pict_type==AV_PICTURE_TYPE_B)
3511 s->lambda= s->last_lambda_for[s->pict_type];
3513 s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
3517 if(s->codec_id != AV_CODEC_ID_AMV && s->codec_id != AV_CODEC_ID_MJPEG){
3518 if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
3519 if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
3520 s->q_chroma_intra_matrix = s->q_intra_matrix;
3521 s->q_chroma_intra_matrix16 = s->q_intra_matrix16;
3524 s->mb_intra=0; //for the rate distortion & bit compare functions
3525 for(i=1; i<context_count; i++){
3526 ret = ff_update_duplicate_context(s->thread_context[i], s);
3534 /* Estimate motion for every MB */
3535 if(s->pict_type != AV_PICTURE_TYPE_I){
3536 s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
3537 s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
3538 if (s->pict_type != AV_PICTURE_TYPE_B) {
3539 if((s->avctx->pre_me && s->last_non_b_pict_type==AV_PICTURE_TYPE_I) || s->avctx->pre_me==2){
3540 s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
3544 s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
3545 }else /* if(s->pict_type == AV_PICTURE_TYPE_I) */{
3547 for(i=0; i<s->mb_stride*s->mb_height; i++)
3548 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
3550 if(!s->fixed_qscale){
3551 /* finding spatial complexity for I-frame rate control */
3552 s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
3555 for(i=1; i<context_count; i++){
3556 merge_context_after_me(s, s->thread_context[i]);
3558 s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
3559 s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
3562 if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == AV_PICTURE_TYPE_P){
3563 s->pict_type= AV_PICTURE_TYPE_I;
3564 for(i=0; i<s->mb_stride*s->mb_height; i++)
3565 s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
3566 if(s->msmpeg4_version >= 3)
3568 av_dlog(s, "Scene change detected, encoding as I Frame %"PRId64" %"PRId64"\n",
3569 s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
3573 if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
3574 s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
3576 if(s->flags & CODEC_FLAG_INTERLACED_ME){
3578 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
3579 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
3580 s->f_code= FFMAX3(s->f_code, a, b);
3583 ff_fix_long_p_mvs(s);
3584 ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
3585 if(s->flags & CODEC_FLAG_INTERLACED_ME){
3589 ff_fix_long_mvs(s, s->p_field_select_table[i], j,
3590 s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
3595 if(s->pict_type==AV_PICTURE_TYPE_B){
3598 a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
3599 b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
3600 s->f_code = FFMAX(a, b);
3602 a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
3603 b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
3604 s->b_code = FFMAX(a, b);
3606 ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
3607 ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
3608 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
3609 ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
3610 if(s->flags & CODEC_FLAG_INTERLACED_ME){
3612 for(dir=0; dir<2; dir++){
3615 int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
3616 : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
3617 ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
3618 s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
3626 if (estimate_qp(s, 0) < 0)
3629 if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==AV_PICTURE_TYPE_I && !(s->flags & CODEC_FLAG_QSCALE))
3630 s->qscale= 3; //reduce clipping problems
3632 if (s->out_format == FMT_MJPEG) {
3633 const uint16_t * luma_matrix = ff_mpeg1_default_intra_matrix;
3634 const uint16_t *chroma_matrix = ff_mpeg1_default_intra_matrix;
3636 if (s->avctx->intra_matrix) {
3638 luma_matrix = s->avctx->intra_matrix;
3640 if (s->avctx->chroma_intra_matrix)
3641 chroma_matrix = s->avctx->chroma_intra_matrix;
3643 /* for mjpeg, we do include qscale in the matrix */
3645 int j = s->idsp.idct_permutation[i];
3647 s->chroma_intra_matrix[j] = av_clip_uint8((chroma_matrix[i] * s->qscale) >> 3);
3648 s-> intra_matrix[j] = av_clip_uint8(( luma_matrix[i] * s->qscale) >> 3);
3650 s->y_dc_scale_table=
3651 s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
3652 s->chroma_intra_matrix[0] =
3653 s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8];
3654 ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16,
3655 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
3656 ff_convert_matrix(s, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16,
3657 s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1);
3660 if(s->codec_id == AV_CODEC_ID_AMV){
3661 static const uint8_t y[32]={13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13};
3662 static const uint8_t c[32]={14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14};
3664 int j= s->idsp.idct_permutation[ff_zigzag_direct[i]];
3666 s->intra_matrix[j] = sp5x_quant_table[5*2+0][i];
3667 s->chroma_intra_matrix[j] = sp5x_quant_table[5*2+1][i];
3669 s->y_dc_scale_table= y;
3670 s->c_dc_scale_table= c;
3671 s->intra_matrix[0] = 13;
3672 s->chroma_intra_matrix[0] = 14;
3673 ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16,
3674 s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
3675 ff_convert_matrix(s, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16,
3676 s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1);
3680 //FIXME var duplication
3681 s->current_picture_ptr->f->key_frame =
3682 s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; //FIXME pic_ptr
3683 s->current_picture_ptr->f->pict_type =
3684 s->current_picture.f->pict_type = s->pict_type;
3686 if (s->current_picture.f->key_frame)
3687 s->picture_in_gop_number=0;
3689 s->mb_x = s->mb_y = 0;
3690 s->last_bits= put_bits_count(&s->pb);
3691 switch(s->out_format) {
3693 if (CONFIG_MJPEG_ENCODER)
3694 ff_mjpeg_encode_picture_header(s->avctx, &s->pb, &s->intra_scantable,
3695 s->intra_matrix, s->chroma_intra_matrix);
3698 if (CONFIG_H261_ENCODER)
3699 ff_h261_encode_picture_header(s, picture_number);
3702 if (CONFIG_WMV2_ENCODER && s->codec_id == AV_CODEC_ID_WMV2)
3703 ff_wmv2_encode_picture_header(s, picture_number);
3704 else if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
3705 ff_msmpeg4_encode_picture_header(s, picture_number);
3706 else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
3707 ff_mpeg4_encode_picture_header(s, picture_number);
3708 else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10)
3709 ff_rv10_encode_picture_header(s, picture_number);
3710 else if (CONFIG_RV20_ENCODER && s->codec_id == AV_CODEC_ID_RV20)
3711 ff_rv20_encode_picture_header(s, picture_number);
3712 else if (CONFIG_FLV_ENCODER && s->codec_id == AV_CODEC_ID_FLV1)
3713 ff_flv_encode_picture_header(s, picture_number);
3714 else if (CONFIG_H263_ENCODER)
3715 ff_h263_encode_picture_header(s, picture_number);
3718 if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
3719 ff_mpeg1_encode_picture_header(s, picture_number);
3724 bits= put_bits_count(&s->pb);
3725 s->header_bits= bits - s->last_bits;
3727 for(i=1; i<context_count; i++){
3728 update_duplicate_context_after_me(s->thread_context[i], s);
3730 s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
3731 for(i=1; i<context_count; i++){
3732 merge_context_after_encode(s, s->thread_context[i]);
3738 static void denoise_dct_c(MpegEncContext *s, int16_t *block){
3739 const int intra= s->mb_intra;
3742 s->dct_count[intra]++;
3744 for(i=0; i<64; i++){
3745 int level= block[i];
3749 s->dct_error_sum[intra][i] += level;
3750 level -= s->dct_offset[intra][i];
3751 if(level<0) level=0;
3753 s->dct_error_sum[intra][i] -= level;
3754 level += s->dct_offset[intra][i];
3755 if(level>0) level=0;
3762 static int dct_quantize_trellis_c(MpegEncContext *s,
3763 int16_t *block, int n,
3764 int qscale, int *overflow){
3766 const uint8_t *scantable= s->intra_scantable.scantable;
3767 const uint8_t *perm_scantable= s->intra_scantable.permutated;
3769 unsigned int threshold1, threshold2;
3781 int coeff_count[64];
3782 int qmul, qadd, start_i, last_non_zero, i, dc;
3783 const int esc_length= s->ac_esc_length;
3785 uint8_t * last_length;
3786 const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
3788 s->fdsp.fdct(block);
3790 if(s->dct_error_sum)
3791 s->denoise_dct(s, block);
3793 qadd= ((qscale-1)|1)*8;
3804 /* For AIC we skip quant/dequant of INTRADC */
3809 /* note: block[0] is assumed to be positive */
3810 block[0] = (block[0] + (q >> 1)) / q;
3813 qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
3814 if(s->mpeg_quant || s->out_format == FMT_MPEG1)
3815 bias= 1<<(QMAT_SHIFT-1);
3816 length = s->intra_ac_vlc_length;
3817 last_length= s->intra_ac_vlc_last_length;
3821 qmat = s->q_inter_matrix[qscale];
3822 length = s->inter_ac_vlc_length;
3823 last_length= s->inter_ac_vlc_last_length;
3827 threshold1= (1<<QMAT_SHIFT) - bias - 1;
3828 threshold2= (threshold1<<1);
3830 for(i=63; i>=start_i; i--) {
3831 const int j = scantable[i];
3832 int level = block[j] * qmat[j];
3834 if(((unsigned)(level+threshold1))>threshold2){
3840 for(i=start_i; i<=last_non_zero; i++) {
3841 const int j = scantable[i];
3842 int level = block[j] * qmat[j];
3844 // if( bias+level >= (1<<(QMAT_SHIFT - 3))
3845 // || bias-level >= (1<<(QMAT_SHIFT - 3))){
3846 if(((unsigned)(level+threshold1))>threshold2){
3848 level= (bias + level)>>QMAT_SHIFT;
3850 coeff[1][i]= level-1;
3851 // coeff[2][k]= level-2;
3853 level= (bias - level)>>QMAT_SHIFT;
3854 coeff[0][i]= -level;
3855 coeff[1][i]= -level+1;
3856 // coeff[2][k]= -level+2;
3858 coeff_count[i]= FFMIN(level, 2);
3859 av_assert2(coeff_count[i]);
3862 coeff[0][i]= (level>>31)|1;
3867 *overflow= s->max_qcoeff < max; //overflow might have happened
3869 if(last_non_zero < start_i){
3870 memset(block + start_i, 0, (64-start_i)*sizeof(int16_t));
3871 return last_non_zero;
3874 score_tab[start_i]= 0;
3875 survivor[0]= start_i;
3878 for(i=start_i; i<=last_non_zero; i++){
3879 int level_index, j, zero_distortion;
3880 int dct_coeff= FFABS(block[ scantable[i] ]);
3881 int best_score=256*256*256*120;
3883 if (s->fdsp.fdct == ff_fdct_ifast)
3884 dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
3885 zero_distortion= dct_coeff*dct_coeff;
3887 for(level_index=0; level_index < coeff_count[i]; level_index++){
3889 int level= coeff[level_index][i];
3890 const int alevel= FFABS(level);
3895 if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
3896 unquant_coeff= alevel*qmul + qadd;
3898 j = s->idsp.idct_permutation[scantable[i]]; // FIXME: optimize
3900 unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
3901 unquant_coeff = (unquant_coeff - 1) | 1;
3903 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
3904 unquant_coeff = (unquant_coeff - 1) | 1;
3909 distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
3911 if((level&(~127)) == 0){
3912 for(j=survivor_count-1; j>=0; j--){
3913 int run= i - survivor[j];
3914 int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3915 score += score_tab[i-run];
3917 if(score < best_score){
3920 level_tab[i+1]= level-64;
3924 if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
3925 for(j=survivor_count-1; j>=0; j--){
3926 int run= i - survivor[j];
3927 int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
3928 score += score_tab[i-run];
3929 if(score < last_score){
3932 last_level= level-64;
3938 distortion += esc_length*lambda;
3939 for(j=survivor_count-1; j>=0; j--){
3940 int run= i - survivor[j];
3941 int score= distortion + score_tab[i-run];
3943 if(score < best_score){
3946 level_tab[i+1]= level-64;
3950 if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
3951 for(j=survivor_count-1; j>=0; j--){
3952 int run= i - survivor[j];
3953 int score= distortion + score_tab[i-run];
3954 if(score < last_score){
3957 last_level= level-64;
3965 score_tab[i+1]= best_score;
3967 //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
3968 if(last_non_zero <= 27){
3969 for(; survivor_count; survivor_count--){
3970 if(score_tab[ survivor[survivor_count-1] ] <= best_score)
3974 for(; survivor_count; survivor_count--){
3975 if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
3980 survivor[ survivor_count++ ]= i+1;
3983 if(s->out_format != FMT_H263 && s->out_format != FMT_H261){
3984 last_score= 256*256*256*120;
3985 for(i= survivor[0]; i<=last_non_zero + 1; i++){
3986 int score= score_tab[i];
3987 if(i) score += lambda*2; //FIXME exacter?
3989 if(score < last_score){
3992 last_level= level_tab[i];
3993 last_run= run_tab[i];
3998 s->coded_score[n] = last_score;
4000 dc= FFABS(block[0]);
4001 last_non_zero= last_i - 1;
4002 memset(block + start_i, 0, (64-start_i)*sizeof(int16_t));
4004 if(last_non_zero < start_i)
4005 return last_non_zero;
4007 if(last_non_zero == 0 && start_i == 0){
4009 int best_score= dc * dc;
4011 for(i=0; i<coeff_count[0]; i++){
4012 int level= coeff[i][0];
4013 int alevel= FFABS(level);
4014 int unquant_coeff, score, distortion;
4016 if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
4017 unquant_coeff= (alevel*qmul + qadd)>>3;
4019 unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
4020 unquant_coeff = (unquant_coeff - 1) | 1;
4022 unquant_coeff = (unquant_coeff + 4) >> 3;
4023 unquant_coeff<<= 3 + 3;
4025 distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
4027 if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
4028 else score= distortion + esc_length*lambda;
4030 if(score < best_score){
4032 best_level= level - 64;
4035 block[0]= best_level;
4036 s->coded_score[n] = best_score - dc*dc;
4037 if(best_level == 0) return -1;
4038 else return last_non_zero;
4042 av_assert2(last_level);
4044 block[ perm_scantable[last_non_zero] ]= last_level;
4047 for(; i>start_i; i -= run_tab[i] + 1){
4048 block[ perm_scantable[i-1] ]= level_tab[i];
4051 return last_non_zero;
4054 //#define REFINE_STATS 1
4055 static int16_t basis[64][64];
4057 static void build_basis(uint8_t *perm){
4064 double s= 0.25*(1<<BASIS_SHIFT);
4066 int perm_index= perm[index];
4067 if(i==0) s*= sqrt(0.5);
4068 if(j==0) s*= sqrt(0.5);
4069 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)));
4076 static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
4077 int16_t *block, int16_t *weight, int16_t *orig,
4080 LOCAL_ALIGNED_16(int16_t, d1, [64]);
4081 const uint8_t *scantable= s->intra_scantable.scantable;
4082 const uint8_t *perm_scantable= s->intra_scantable.permutated;
4083 // unsigned int threshold1, threshold2;
4088 int qmul, qadd, start_i, last_non_zero, i, dc;
4090 uint8_t * last_length;
4092 int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
4095 static int after_last=0;
4096 static int to_zero=0;
4097 static int from_zero=0;
4100 static int messed_sign=0;
4103 if(basis[0][0] == 0)
4104 build_basis(s->idsp.idct_permutation);
4115 /* For AIC we skip quant/dequant of INTRADC */
4119 q <<= RECON_SHIFT-3;
4120 /* note: block[0] is assumed to be positive */
4122 // block[0] = (block[0] + (q >> 1)) / q;
4124 // if(s->mpeg_quant || s->out_format == FMT_MPEG1)
4125 // bias= 1<<(QMAT_SHIFT-1);
4126 length = s->intra_ac_vlc_length;
4127 last_length= s->intra_ac_vlc_last_length;
4131 length = s->inter_ac_vlc_length;
4132 last_length= s->inter_ac_vlc_last_length;
4134 last_non_zero = s->block_last_index[n];
4139 dc += (1<<(RECON_SHIFT-1));
4140 for(i=0; i<64; i++){
4141 rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
4144 STOP_TIMER("memset rem[]")}
4147 for(i=0; i<64; i++){
4152 w= FFABS(weight[i]) + qns*one;
4153 w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
4156 // w=weight[i] = (63*qns + (w/2)) / w;
4159 av_assert2(w<(1<<6));
4162 lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
4168 for(i=start_i; i<=last_non_zero; i++){
4169 int j= perm_scantable[i];
4170 const int level= block[j];
4174 if(level<0) coeff= qmul*level - qadd;
4175 else coeff= qmul*level + qadd;
4176 run_tab[rle_index++]=run;
4179 s->mpvencdsp.add_8x8basis(rem, basis[j], coeff);
4185 if(last_non_zero>0){
4186 STOP_TIMER("init rem[]")
4193 int best_score = s->mpvencdsp.try_8x8basis(rem, weight, basis[0], 0);
4196 int run2, best_unquant_change=0, analyze_gradient;
4200 analyze_gradient = last_non_zero > 2 || s->quantizer_noise_shaping >= 3;
4202 if(analyze_gradient){
4206 for(i=0; i<64; i++){
4209 d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
4212 STOP_TIMER("rem*w*w")}
4222 const int level= block[0];
4223 int change, old_coeff;
4225 av_assert2(s->mb_intra);
4229 for(change=-1; change<=1; change+=2){
4230 int new_level= level + change;
4231 int score, new_coeff;
4233 new_coeff= q*new_level;
4234 if(new_coeff >= 2048 || new_coeff < 0)
4237 score = s->mpvencdsp.try_8x8basis(rem, weight, basis[0],
4238 new_coeff - old_coeff);
4239 if(score<best_score){
4242 best_change= change;
4243 best_unquant_change= new_coeff - old_coeff;
4250 run2= run_tab[rle_index++];
4254 for(i=start_i; i<64; i++){
4255 int j= perm_scantable[i];
4256 const int level= block[j];
4257 int change, old_coeff;
4259 if(s->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
4263 if(level<0) old_coeff= qmul*level - qadd;
4264 else old_coeff= qmul*level + qadd;
4265 run2= run_tab[rle_index++]; //FIXME ! maybe after last
4269 av_assert2(run2>=0 || i >= last_non_zero );
4272 for(change=-1; change<=1; change+=2){
4273 int new_level= level + change;
4274 int score, new_coeff, unquant_change;
4277 if(s->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
4281 if(new_level<0) new_coeff= qmul*new_level - qadd;
4282 else new_coeff= qmul*new_level + qadd;
4283 if(new_coeff >= 2048 || new_coeff <= -2048)
4285 //FIXME check for overflow
4288 if(level < 63 && level > -63){
4289 if(i < last_non_zero)
4290 score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
4291 - length[UNI_AC_ENC_INDEX(run, level+64)];
4293 score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
4294 - last_length[UNI_AC_ENC_INDEX(run, level+64)];
4297 av_assert2(FFABS(new_level)==1);
4299 if(analyze_gradient){
4300 int g= d1[ scantable[i] ];
4301 if(g && (g^new_level) >= 0)
4305 if(i < last_non_zero){
4306 int next_i= i + run2 + 1;
4307 int next_level= block[ perm_scantable[next_i] ] + 64;
4309 if(next_level&(~127))
4312 if(next_i < last_non_zero)
4313 score += length[UNI_AC_ENC_INDEX(run, 65)]
4314 + length[UNI_AC_ENC_INDEX(run2, next_level)]
4315 - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
4317 score += length[UNI_AC_ENC_INDEX(run, 65)]
4318 + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
4319 - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
4321 score += last_length[UNI_AC_ENC_INDEX(run, 65)];
4323 score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
4324 - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
4330 av_assert2(FFABS(level)==1);
4332 if(i < last_non_zero){
4333 int next_i= i + run2 + 1;
4334 int next_level= block[ perm_scantable[next_i] ] + 64;
4336 if(next_level&(~127))
4339 if(next_i < last_non_zero)
4340 score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
4341 - length[UNI_AC_ENC_INDEX(run2, next_level)]
4342 - length[UNI_AC_ENC_INDEX(run, 65)];
4344 score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
4345 - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
4346 - length[UNI_AC_ENC_INDEX(run, 65)];
4348 score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
4350 score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
4351 - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
4358 unquant_change= new_coeff - old_coeff;
4359 av_assert2((score < 100*lambda && score > -100*lambda) || lambda==0);
4361 score += s->mpvencdsp.try_8x8basis(rem, weight, basis[j],
4363 if(score<best_score){
4366 best_change= change;
4367 best_unquant_change= unquant_change;
4371 prev_level= level + 64;
4372 if(prev_level&(~127))
4381 STOP_TIMER("iterative step")}
4385 int j= perm_scantable[ best_coeff ];
4387 block[j] += best_change;
4389 if(best_coeff > last_non_zero){
4390 last_non_zero= best_coeff;
4391 av_assert2(block[j]);
4398 if(block[j] - best_change){
4399 if(FFABS(block[j]) > FFABS(block[j] - best_change)){
4411 for(; last_non_zero>=start_i; last_non_zero--){
4412 if(block[perm_scantable[last_non_zero]])
4418 if(256*256*256*64 % count == 0){
4419 av_log(s->avctx, AV_LOG_DEBUG, "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);
4424 for(i=start_i; i<=last_non_zero; i++){
4425 int j= perm_scantable[i];
4426 const int level= block[j];
4429 run_tab[rle_index++]=run;
4436 s->mpvencdsp.add_8x8basis(rem, basis[j], best_unquant_change);
4442 if(last_non_zero>0){
4443 STOP_TIMER("iterative search")
4448 return last_non_zero;
4451 int ff_dct_quantize_c(MpegEncContext *s,
4452 int16_t *block, int n,
4453 int qscale, int *overflow)
4455 int i, j, level, last_non_zero, q, start_i;
4457 const uint8_t *scantable= s->intra_scantable.scantable;
4460 unsigned int threshold1, threshold2;
4462 s->fdsp.fdct(block);
4464 if(s->dct_error_sum)
4465 s->denoise_dct(s, block);
4475 /* For AIC we skip quant/dequant of INTRADC */
4478 /* note: block[0] is assumed to be positive */
4479 block[0] = (block[0] + (q >> 1)) / q;
4482 qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
4483 bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
4487 qmat = s->q_inter_matrix[qscale];
4488 bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
4490 threshold1= (1<<QMAT_SHIFT) - bias - 1;
4491 threshold2= (threshold1<<1);
4492 for(i=63;i>=start_i;i--) {
4494 level = block[j] * qmat[j];
4496 if(((unsigned)(level+threshold1))>threshold2){
4503 for(i=start_i; i<=last_non_zero; i++) {
4505 level = block[j] * qmat[j];
4507 // if( bias+level >= (1<<QMAT_SHIFT)
4508 // || bias-level >= (1<<QMAT_SHIFT)){
4509 if(((unsigned)(level+threshold1))>threshold2){
4511 level= (bias + level)>>QMAT_SHIFT;
4514 level= (bias - level)>>QMAT_SHIFT;
4522 *overflow= s->max_qcoeff < max; //overflow might have happened
4524 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
4525 if (s->idsp.perm_type != FF_IDCT_PERM_NONE)
4526 ff_block_permute(block, s->idsp.idct_permutation,
4527 scantable, last_non_zero);
4529 return last_non_zero;
4532 #define OFFSET(x) offsetof(MpegEncContext, x)
4533 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
4534 static const AVOption h263_options[] = {
4535 { "obmc", "use overlapped block motion compensation.", OFFSET(obmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
4536 { "structured_slices","Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
4537 { "mb_info", "emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size", OFFSET(mb_info), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
4542 static const AVClass h263_class = {
4543 .class_name = "H.263 encoder",
4544 .item_name = av_default_item_name,
4545 .option = h263_options,
4546 .version = LIBAVUTIL_VERSION_INT,
4549 AVCodec ff_h263_encoder = {
4551 .long_name = NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
4552 .type = AVMEDIA_TYPE_VIDEO,
4553 .id = AV_CODEC_ID_H263,
4554 .priv_data_size = sizeof(MpegEncContext),
4555 .init = ff_mpv_encode_init,
4556 .encode2 = ff_mpv_encode_picture,
4557 .close = ff_mpv_encode_end,
4558 .pix_fmts= (const enum AVPixelFormat[]){AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE},
4559 .priv_class = &h263_class,
4562 static const AVOption h263p_options[] = {
4563 { "umv", "Use unlimited motion vectors.", OFFSET(umvplus), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
4564 { "aiv", "Use alternative inter VLC.", OFFSET(alt_inter_vlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
4565 { "obmc", "use overlapped block motion compensation.", OFFSET(obmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
4566 { "structured_slices", "Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
4570 static const AVClass h263p_class = {
4571 .class_name = "H.263p encoder",
4572 .item_name = av_default_item_name,
4573 .option = h263p_options,
4574 .version = LIBAVUTIL_VERSION_INT,
4577 AVCodec ff_h263p_encoder = {
4579 .long_name = NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
4580 .type = AVMEDIA_TYPE_VIDEO,
4581 .id = AV_CODEC_ID_H263P,
4582 .priv_data_size = sizeof(MpegEncContext),
4583 .init = ff_mpv_encode_init,
4584 .encode2 = ff_mpv_encode_picture,
4585 .close = ff_mpv_encode_end,
4586 .capabilities = CODEC_CAP_SLICE_THREADS,
4587 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
4588 .priv_class = &h263p_class,
4591 FF_MPV_GENERIC_CLASS(msmpeg4v2)
4593 AVCodec ff_msmpeg4v2_encoder = {
4594 .name = "msmpeg4v2",
4595 .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
4596 .type = AVMEDIA_TYPE_VIDEO,
4597 .id = AV_CODEC_ID_MSMPEG4V2,
4598 .priv_data_size = sizeof(MpegEncContext),
4599 .init = ff_mpv_encode_init,
4600 .encode2 = ff_mpv_encode_picture,
4601 .close = ff_mpv_encode_end,
4602 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
4603 .priv_class = &msmpeg4v2_class,
4606 FF_MPV_GENERIC_CLASS(msmpeg4v3)
4608 AVCodec ff_msmpeg4v3_encoder = {
4610 .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
4611 .type = AVMEDIA_TYPE_VIDEO,
4612 .id = AV_CODEC_ID_MSMPEG4V3,
4613 .priv_data_size = sizeof(MpegEncContext),
4614 .init = ff_mpv_encode_init,
4615 .encode2 = ff_mpv_encode_picture,
4616 .close = ff_mpv_encode_end,
4617 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
4618 .priv_class = &msmpeg4v3_class,
4621 FF_MPV_GENERIC_CLASS(wmv1)
4623 AVCodec ff_wmv1_encoder = {
4625 .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
4626 .type = AVMEDIA_TYPE_VIDEO,
4627 .id = AV_CODEC_ID_WMV1,
4628 .priv_data_size = sizeof(MpegEncContext),
4629 .init = ff_mpv_encode_init,
4630 .encode2 = ff_mpv_encode_picture,
4631 .close = ff_mpv_encode_end,
4632 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
4633 .priv_class = &wmv1_class,