1 /*
2 * H.264 encoding using the x264 library
3 * Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config_components.h"
23
24 #include "libavutil/eval.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/opt.h"
27 #include "libavutil/mem.h"
28 #include "libavutil/pixdesc.h"
29 #include "libavutil/stereo3d.h"
30 #include "libavutil/time.h"
31 #include "libavutil/intreadwrite.h"
32 #include "avcodec.h"
33 #include "codec_internal.h"
34 #include "encode.h"
35 #include "internal.h"
36 #include "packet_internal.h"
37 #include "atsc_a53.h"
38 #include "sei.h"
39
40 #include <x264.h>
41 #include <float.h>
42 #include <math.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46
47 // from x264.h, for quant_offsets, Macroblocks are 16x16
48 // blocks of pixels (with respect to the luma plane)
49 #define MB_SIZE 16
50
51 typedef struct X264Opaque {
52 int64_t reordered_opaque;
53 int64_t wallclock;
54 } X264Opaque;
55
56 typedef struct X264Context {
57 AVClass *class;
58 x264_param_t params;
59 x264_t *enc;
60 x264_picture_t pic;
61 uint8_t *sei;
62 int sei_size;
63 char *preset;
64 char *tune;
65 const char *profile;
66 char *profile_opt;
67 char *level;
68 int fastfirstpass;
69 char *wpredp;
70 char *x264opts;
71 float crf;
72 float crf_max;
73 int cqp;
74 int aq_mode;
75 float aq_strength;
76 char *psy_rd;
77 int psy;
78 int rc_lookahead;
79 int weightp;
80 int weightb;
81 int ssim;
82 int intra_refresh;
83 int bluray_compat;
84 int b_bias;
85 int b_pyramid;
86 int mixed_refs;
87 int dct8x8;
88 int fast_pskip;
89 int aud;
90 int mbtree;
91 char *deblock;
92 float cplxblur;
93 char *partitions;
94 int direct_pred;
95 int slice_max_size;
96 char *stats;
97 int nal_hrd;
98 int avcintra_class;
99 int motion_est;
100 int forced_idr;
101 int coder;
102 int a53_cc;
103 int b_frame_strategy;
104 int chroma_offset;
105 int scenechange_threshold;
106 int noise_reduction;
107 int udu_sei;
108
109 AVDictionary *x264_params;
110
111 int nb_reordered_opaque, next_reordered_opaque;
112 X264Opaque *reordered_opaque;
113
114 /**
115 * If the encoder does not support ROI then warn the first time we
116 * encounter a frame with ROI side data.
117 */
118 int roi_warned;
119 } X264Context;
120
X264_log(void * p,int level,const char * fmt,va_list args)121 static void X264_log(void *p, int level, const char *fmt, va_list args)
122 {
123 static const int level_map[] = {
124 [X264_LOG_ERROR] = AV_LOG_ERROR,
125 [X264_LOG_WARNING] = AV_LOG_WARNING,
126 [X264_LOG_INFO] = AV_LOG_INFO,
127 [X264_LOG_DEBUG] = AV_LOG_DEBUG
128 };
129
130 if (level < 0 || level > X264_LOG_DEBUG)
131 return;
132
133 av_vlog(p, level_map[level], fmt, args);
134 }
135
136
encode_nals(AVCodecContext * ctx,AVPacket * pkt,const x264_nal_t * nals,int nnal)137 static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
138 const x264_nal_t *nals, int nnal)
139 {
140 X264Context *x4 = ctx->priv_data;
141 uint8_t *p;
142 uint64_t size = x4->sei_size;
143 int ret;
144
145 if (!nnal)
146 return 0;
147
148 for (int i = 0; i < nnal; i++) {
149 size += nals[i].i_payload;
150 /* ff_get_encode_buffer() accepts an int64_t and
151 * so we need to make sure that no overflow happens before
152 * that. With 32bit ints this is automatically true. */
153 #if INT_MAX > INT64_MAX / INT_MAX - 1
154 if ((int64_t)size < 0)
155 return AVERROR(ERANGE);
156 #endif
157 }
158
159 if ((ret = ff_get_encode_buffer(ctx, pkt, size, 0)) < 0)
160 return ret;
161
162 p = pkt->data;
163
164 /* Write the SEI as part of the first frame. */
165 if (x4->sei_size > 0) {
166 memcpy(p, x4->sei, x4->sei_size);
167 p += x4->sei_size;
168 size -= x4->sei_size;
169 x4->sei_size = 0;
170 av_freep(&x4->sei);
171 }
172
173 /* x264 guarantees the payloads of the NALs
174 * to be sequential in memory. */
175 memcpy(p, nals[0].p_payload, size);
176
177 return 1;
178 }
179
avfmt2_num_planes(int avfmt)180 static int avfmt2_num_planes(int avfmt)
181 {
182 switch (avfmt) {
183 case AV_PIX_FMT_YUV420P:
184 case AV_PIX_FMT_YUVJ420P:
185 case AV_PIX_FMT_YUV420P9:
186 case AV_PIX_FMT_YUV420P10:
187 case AV_PIX_FMT_YUV444P:
188 return 3;
189
190 case AV_PIX_FMT_BGR0:
191 case AV_PIX_FMT_BGR24:
192 case AV_PIX_FMT_RGB24:
193 case AV_PIX_FMT_GRAY8:
194 case AV_PIX_FMT_GRAY10:
195 return 1;
196
197 default:
198 return 3;
199 }
200 }
201
reconfig_encoder(AVCodecContext * ctx,const AVFrame * frame)202 static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
203 {
204 X264Context *x4 = ctx->priv_data;
205 AVFrameSideData *side_data;
206
207
208 if (x4->avcintra_class < 0) {
209 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
210
211 x4->params.b_tff = frame->top_field_first;
212 x264_encoder_reconfig(x4->enc, &x4->params);
213 }
214 if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
215 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
216 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
217 x264_encoder_reconfig(x4->enc, &x4->params);
218 }
219
220 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
221 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
222 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
223 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
224 x264_encoder_reconfig(x4->enc, &x4->params);
225 }
226
227 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
228 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
229 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
230 x264_encoder_reconfig(x4->enc, &x4->params);
231 }
232
233 if (x4->crf >= 0 &&
234 x4->params.rc.i_rc_method == X264_RC_CRF &&
235 x4->params.rc.f_rf_constant != x4->crf) {
236 x4->params.rc.f_rf_constant = x4->crf;
237 x264_encoder_reconfig(x4->enc, &x4->params);
238 }
239
240 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
241 x4->cqp >= 0 &&
242 x4->params.rc.i_qp_constant != x4->cqp) {
243 x4->params.rc.i_qp_constant = x4->cqp;
244 x264_encoder_reconfig(x4->enc, &x4->params);
245 }
246
247 if (x4->crf_max >= 0 &&
248 x4->params.rc.f_rf_constant_max != x4->crf_max) {
249 x4->params.rc.f_rf_constant_max = x4->crf_max;
250 x264_encoder_reconfig(x4->enc, &x4->params);
251 }
252 }
253
254 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
255 if (side_data) {
256 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
257 int fpa_type;
258
259 switch (stereo->type) {
260 case AV_STEREO3D_CHECKERBOARD:
261 fpa_type = 0;
262 break;
263 case AV_STEREO3D_COLUMNS:
264 fpa_type = 1;
265 break;
266 case AV_STEREO3D_LINES:
267 fpa_type = 2;
268 break;
269 case AV_STEREO3D_SIDEBYSIDE:
270 fpa_type = 3;
271 break;
272 case AV_STEREO3D_TOPBOTTOM:
273 fpa_type = 4;
274 break;
275 case AV_STEREO3D_FRAMESEQUENCE:
276 fpa_type = 5;
277 break;
278 #if X264_BUILD >= 145
279 case AV_STEREO3D_2D:
280 fpa_type = 6;
281 break;
282 #endif
283 default:
284 fpa_type = -1;
285 break;
286 }
287
288 /* Inverted mode is not supported by x264 */
289 if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
290 av_log(ctx, AV_LOG_WARNING,
291 "Ignoring unsupported inverted stereo value %d\n", fpa_type);
292 fpa_type = -1;
293 }
294
295 if (fpa_type != x4->params.i_frame_packing) {
296 x4->params.i_frame_packing = fpa_type;
297 x264_encoder_reconfig(x4->enc, &x4->params);
298 }
299 }
300 }
301
free_picture(AVCodecContext * ctx)302 static void free_picture(AVCodecContext *ctx)
303 {
304 X264Context *x4 = ctx->priv_data;
305 x264_picture_t *pic = &x4->pic;
306
307 for (int i = 0; i < pic->extra_sei.num_payloads; i++)
308 av_free(pic->extra_sei.payloads[i].payload);
309 av_freep(&pic->extra_sei.payloads);
310 av_freep(&pic->prop.quant_offsets);
311 pic->extra_sei.num_payloads = 0;
312 }
313
X264_frame(AVCodecContext * ctx,AVPacket * pkt,const AVFrame * frame,int * got_packet)314 static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
315 int *got_packet)
316 {
317 X264Context *x4 = ctx->priv_data;
318 x264_nal_t *nal;
319 int nnal, i, ret;
320 x264_picture_t pic_out = {0};
321 int pict_type;
322 int bit_depth;
323 int64_t wallclock = 0;
324 X264Opaque *out_opaque;
325 AVFrameSideData *sd;
326
327 x264_picture_init( &x4->pic );
328 x4->pic.img.i_csp = x4->params.i_csp;
329 #if X264_BUILD >= 153
330 bit_depth = x4->params.i_bitdepth;
331 #else
332 bit_depth = x264_bit_depth;
333 #endif
334 if (bit_depth > 8)
335 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
336 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
337
338 if (frame) {
339 x264_sei_t *sei = &x4->pic.extra_sei;
340 unsigned int sei_data_size = 0;
341
342 for (i = 0; i < x4->pic.img.i_plane; i++) {
343 x4->pic.img.plane[i] = frame->data[i];
344 x4->pic.img.i_stride[i] = frame->linesize[i];
345 }
346
347 x4->pic.i_pts = frame->pts;
348
349 x4->reordered_opaque[x4->next_reordered_opaque].reordered_opaque = frame->reordered_opaque;
350 x4->reordered_opaque[x4->next_reordered_opaque].wallclock = wallclock;
351 if (ctx->export_side_data & AV_CODEC_EXPORT_DATA_PRFT)
352 x4->reordered_opaque[x4->next_reordered_opaque].wallclock = av_gettime();
353 x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
354 x4->next_reordered_opaque++;
355 x4->next_reordered_opaque %= x4->nb_reordered_opaque;
356
357 switch (frame->pict_type) {
358 case AV_PICTURE_TYPE_I:
359 x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
360 : X264_TYPE_KEYFRAME;
361 break;
362 case AV_PICTURE_TYPE_P:
363 x4->pic.i_type = X264_TYPE_P;
364 break;
365 case AV_PICTURE_TYPE_B:
366 x4->pic.i_type = X264_TYPE_B;
367 break;
368 default:
369 x4->pic.i_type = X264_TYPE_AUTO;
370 break;
371 }
372 reconfig_encoder(ctx, frame);
373
374 if (x4->a53_cc) {
375 void *sei_data;
376 size_t sei_size;
377
378 ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
379 if (ret < 0) {
380 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
381 } else if (sei_data) {
382 x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
383 if (x4->pic.extra_sei.payloads == NULL) {
384 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
385 av_free(sei_data);
386 } else {
387 x4->pic.extra_sei.sei_free = av_free;
388
389 x4->pic.extra_sei.payloads[0].payload_size = sei_size;
390 x4->pic.extra_sei.payloads[0].payload = sei_data;
391 x4->pic.extra_sei.num_payloads = 1;
392 x4->pic.extra_sei.payloads[0].payload_type = 4;
393 }
394 }
395 }
396
397 sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
398 if (sd) {
399 if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {
400 if (!x4->roi_warned) {
401 x4->roi_warned = 1;
402 av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
403 }
404 } else {
405 if (frame->interlaced_frame == 0) {
406 int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;
407 int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;
408 int qp_range = 51 + 6 * (bit_depth - 8);
409 int nb_rois;
410 const AVRegionOfInterest *roi;
411 uint32_t roi_size;
412 float *qoffsets;
413
414 roi = (const AVRegionOfInterest*)sd->data;
415 roi_size = roi->self_size;
416 if (!roi_size || sd->size % roi_size != 0) {
417 free_picture(ctx);
418 av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
419 return AVERROR(EINVAL);
420 }
421 nb_rois = sd->size / roi_size;
422
423 qoffsets = av_calloc(mbx * mby, sizeof(*qoffsets));
424 if (!qoffsets) {
425 free_picture(ctx);
426 return AVERROR(ENOMEM);
427 }
428 // This list must be iterated in reverse because the first
429 // region in the list applies when regions overlap.
430 for (int i = nb_rois - 1; i >= 0; i--) {
431 int startx, endx, starty, endy;
432 float qoffset;
433
434 roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
435
436 starty = FFMIN(mby, roi->top / MB_SIZE);
437 endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);
438 startx = FFMIN(mbx, roi->left / MB_SIZE);
439 endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);
440
441 if (roi->qoffset.den == 0) {
442 av_free(qoffsets);
443 free_picture(ctx);
444 av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
445 return AVERROR(EINVAL);
446 }
447 qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
448 qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
449
450 for (int y = starty; y < endy; y++) {
451 for (int x = startx; x < endx; x++) {
452 qoffsets[x + y*mbx] = qoffset;
453 }
454 }
455 }
456
457 x4->pic.prop.quant_offsets = qoffsets;
458 x4->pic.prop.quant_offsets_free = av_free;
459 } else {
460 if (!x4->roi_warned) {
461 x4->roi_warned = 1;
462 av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");
463 }
464 }
465 }
466 }
467
468 if (x4->udu_sei) {
469 for (int j = 0; j < frame->nb_side_data; j++) {
470 AVFrameSideData *side_data = frame->side_data[j];
471 void *tmp;
472 x264_sei_payload_t *sei_payload;
473 if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
474 continue;
475 tmp = av_fast_realloc(sei->payloads, &sei_data_size, (sei->num_payloads + 1) * sizeof(*sei_payload));
476 if (!tmp) {
477 free_picture(ctx);
478 return AVERROR(ENOMEM);
479 }
480 sei->payloads = tmp;
481 sei->sei_free = av_free;
482 sei_payload = &sei->payloads[sei->num_payloads];
483 sei_payload->payload = av_memdup(side_data->data, side_data->size);
484 if (!sei_payload->payload) {
485 free_picture(ctx);
486 return AVERROR(ENOMEM);
487 }
488 sei_payload->payload_size = side_data->size;
489 sei_payload->payload_type = SEI_TYPE_USER_DATA_UNREGISTERED;
490 sei->num_payloads++;
491 }
492 }
493 }
494
495 do {
496 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
497 return AVERROR_EXTERNAL;
498
499 ret = encode_nals(ctx, pkt, nal, nnal);
500 if (ret < 0)
501 return ret;
502 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
503
504 if (!ret)
505 return 0;
506
507 pkt->pts = pic_out.i_pts;
508 pkt->dts = pic_out.i_dts;
509
510 out_opaque = pic_out.opaque;
511 if (out_opaque >= x4->reordered_opaque &&
512 out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
513 ctx->reordered_opaque = out_opaque->reordered_opaque;
514 wallclock = out_opaque->wallclock;
515 } else {
516 // Unexpected opaque pointer on picture output
517 ctx->reordered_opaque = 0;
518 }
519
520 switch (pic_out.i_type) {
521 case X264_TYPE_IDR:
522 case X264_TYPE_I:
523 pict_type = AV_PICTURE_TYPE_I;
524 break;
525 case X264_TYPE_P:
526 pict_type = AV_PICTURE_TYPE_P;
527 break;
528 case X264_TYPE_B:
529 case X264_TYPE_BREF:
530 pict_type = AV_PICTURE_TYPE_B;
531 break;
532 default:
533 av_log(ctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
534 return AVERROR_EXTERNAL;
535 }
536
537 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
538 if (ret) {
539 ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
540 if (wallclock)
541 ff_side_data_set_prft(pkt, wallclock);
542 }
543
544 *got_packet = ret;
545 return 0;
546 }
547
X264_close(AVCodecContext * avctx)548 static av_cold int X264_close(AVCodecContext *avctx)
549 {
550 X264Context *x4 = avctx->priv_data;
551
552 av_freep(&x4->sei);
553 av_freep(&x4->reordered_opaque);
554
555 #if X264_BUILD >= 161
556 x264_param_cleanup(&x4->params);
557 #endif
558
559 if (x4->enc) {
560 x264_encoder_close(x4->enc);
561 x4->enc = NULL;
562 }
563
564 return 0;
565 }
566
parse_opts(AVCodecContext * avctx,const char * opt,const char * param)567 static int parse_opts(AVCodecContext *avctx, const char *opt, const char *param)
568 {
569 X264Context *x4 = avctx->priv_data;
570 int ret;
571
572 if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) {
573 if (ret == X264_PARAM_BAD_NAME) {
574 av_log(avctx, AV_LOG_ERROR,
575 "bad option '%s': '%s'\n", opt, param);
576 ret = AVERROR(EINVAL);
577 #if X264_BUILD >= 161
578 } else if (ret == X264_PARAM_ALLOC_FAILED) {
579 av_log(avctx, AV_LOG_ERROR,
580 "out of memory parsing option '%s': '%s'\n", opt, param);
581 ret = AVERROR(ENOMEM);
582 #endif
583 } else {
584 av_log(avctx, AV_LOG_ERROR,
585 "bad value for '%s': '%s'\n", opt, param);
586 ret = AVERROR(EINVAL);
587 }
588 }
589
590 return ret;
591 }
592
convert_pix_fmt(enum AVPixelFormat pix_fmt)593 static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
594 {
595 switch (pix_fmt) {
596 case AV_PIX_FMT_YUV420P:
597 case AV_PIX_FMT_YUVJ420P:
598 case AV_PIX_FMT_YUV420P9:
599 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
600 case AV_PIX_FMT_YUV422P:
601 case AV_PIX_FMT_YUVJ422P:
602 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
603 case AV_PIX_FMT_YUV444P:
604 case AV_PIX_FMT_YUVJ444P:
605 case AV_PIX_FMT_YUV444P9:
606 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
607 case AV_PIX_FMT_BGR0:
608 return X264_CSP_BGRA;
609 case AV_PIX_FMT_BGR24:
610 return X264_CSP_BGR;
611
612 case AV_PIX_FMT_RGB24:
613 return X264_CSP_RGB;
614 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
615 case AV_PIX_FMT_NV16:
616 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
617 #ifdef X264_CSP_NV21
618 case AV_PIX_FMT_NV21: return X264_CSP_NV21;
619 #endif
620 #ifdef X264_CSP_I400
621 case AV_PIX_FMT_GRAY8:
622 case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
623 #endif
624 };
625 return 0;
626 }
627
628 #define PARSE_X264_OPT(name, var)\
629 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
630 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
631 return AVERROR(EINVAL);\
632 }
633
X264_init(AVCodecContext * avctx)634 static av_cold int X264_init(AVCodecContext *avctx)
635 {
636 X264Context *x4 = avctx->priv_data;
637 AVCPBProperties *cpb_props;
638 int sw,sh;
639 int ret;
640
641 if (avctx->global_quality > 0)
642 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
643
644 #if CONFIG_LIBX262_ENCODER
645 if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
646 x4->params.b_mpeg2 = 1;
647 x264_param_default_mpeg2(&x4->params);
648 } else
649 #endif
650 x264_param_default(&x4->params);
651
652 x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
653
654 if (x4->preset || x4->tune)
655 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
656 int i;
657 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
658 av_log(avctx, AV_LOG_INFO, "Possible presets:");
659 for (i = 0; x264_preset_names[i]; i++)
660 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
661 av_log(avctx, AV_LOG_INFO, "\n");
662 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
663 for (i = 0; x264_tune_names[i]; i++)
664 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
665 av_log(avctx, AV_LOG_INFO, "\n");
666 return AVERROR(EINVAL);
667 }
668
669 if (avctx->level > 0)
670 x4->params.i_level_idc = avctx->level;
671
672 x4->params.pf_log = X264_log;
673 x4->params.p_log_private = avctx;
674 x4->params.i_log_level = X264_LOG_DEBUG;
675 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
676 #if X264_BUILD >= 153
677 x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
678 #endif
679
680 PARSE_X264_OPT("weightp", wpredp);
681
682 if (avctx->bit_rate) {
683 if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) {
684 av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX);
685 return AVERROR(EINVAL);
686 }
687 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
688 x4->params.rc.i_rc_method = X264_RC_ABR;
689 }
690 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
691 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
692 x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
693 if (avctx->flags & AV_CODEC_FLAG_PASS2) {
694 x4->params.rc.b_stat_read = 1;
695 } else {
696 if (x4->crf >= 0) {
697 x4->params.rc.i_rc_method = X264_RC_CRF;
698 x4->params.rc.f_rf_constant = x4->crf;
699 } else if (x4->cqp >= 0) {
700 x4->params.rc.i_rc_method = X264_RC_CQP;
701 x4->params.rc.i_qp_constant = x4->cqp;
702 }
703
704 if (x4->crf_max >= 0)
705 x4->params.rc.f_rf_constant_max = x4->crf_max;
706 }
707
708 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
709 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
710 x4->params.rc.f_vbv_buffer_init =
711 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
712 }
713
714 PARSE_X264_OPT("level", level);
715
716 if (avctx->i_quant_factor > 0)
717 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
718 if (avctx->b_quant_factor > 0)
719 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
720
721 if (x4->chroma_offset)
722 x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
723
724 if (avctx->gop_size >= 0)
725 x4->params.i_keyint_max = avctx->gop_size;
726 if (avctx->max_b_frames >= 0)
727 x4->params.i_bframe = avctx->max_b_frames;
728
729 if (x4->scenechange_threshold >= 0)
730 x4->params.i_scenecut_threshold = x4->scenechange_threshold;
731
732 if (avctx->qmin >= 0)
733 x4->params.rc.i_qp_min = avctx->qmin;
734 if (avctx->qmax >= 0)
735 x4->params.rc.i_qp_max = avctx->qmax;
736 if (avctx->max_qdiff >= 0)
737 x4->params.rc.i_qp_step = avctx->max_qdiff;
738 if (avctx->qblur >= 0)
739 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
740 if (avctx->qcompress >= 0)
741 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
742 if (avctx->refs >= 0)
743 x4->params.i_frame_reference = avctx->refs;
744 else if (x4->params.i_level_idc > 0) {
745 int i;
746 int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
747 int scale = X264_BUILD < 129 ? 384 : 1;
748
749 for (i = 0; i<x264_levels[i].level_idc; i++)
750 if (x264_levels[i].level_idc == x4->params.i_level_idc)
751 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
752 }
753
754 if (avctx->trellis >= 0)
755 x4->params.analyse.i_trellis = avctx->trellis;
756 if (avctx->me_range >= 0)
757 x4->params.analyse.i_me_range = avctx->me_range;
758 if (x4->noise_reduction >= 0)
759 x4->params.analyse.i_noise_reduction = x4->noise_reduction;
760 if (avctx->me_subpel_quality >= 0)
761 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
762 if (avctx->keyint_min >= 0)
763 x4->params.i_keyint_min = avctx->keyint_min;
764 if (avctx->me_cmp >= 0)
765 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
766
767 if (x4->aq_mode >= 0)
768 x4->params.rc.i_aq_mode = x4->aq_mode;
769 if (x4->aq_strength >= 0)
770 x4->params.rc.f_aq_strength = x4->aq_strength;
771 PARSE_X264_OPT("psy-rd", psy_rd);
772 PARSE_X264_OPT("deblock", deblock);
773 PARSE_X264_OPT("partitions", partitions);
774 PARSE_X264_OPT("stats", stats);
775 if (x4->psy >= 0)
776 x4->params.analyse.b_psy = x4->psy;
777 if (x4->rc_lookahead >= 0)
778 x4->params.rc.i_lookahead = x4->rc_lookahead;
779 if (x4->weightp >= 0)
780 x4->params.analyse.i_weighted_pred = x4->weightp;
781 if (x4->weightb >= 0)
782 x4->params.analyse.b_weighted_bipred = x4->weightb;
783 if (x4->cplxblur >= 0)
784 x4->params.rc.f_complexity_blur = x4->cplxblur;
785
786 if (x4->ssim >= 0)
787 x4->params.analyse.b_ssim = x4->ssim;
788 if (x4->intra_refresh >= 0)
789 x4->params.b_intra_refresh = x4->intra_refresh;
790 if (x4->bluray_compat >= 0) {
791 x4->params.b_bluray_compat = x4->bluray_compat;
792 x4->params.b_vfr_input = 0;
793 }
794 if (x4->avcintra_class >= 0)
795 #if X264_BUILD >= 142
796 x4->params.i_avcintra_class = x4->avcintra_class;
797 #else
798 av_log(avctx, AV_LOG_ERROR,
799 "x264 too old for AVC Intra, at least version 142 needed\n");
800 #endif
801
802 if (x4->avcintra_class > 200) {
803 #if X264_BUILD < 164
804 av_log(avctx, AV_LOG_ERROR,
805 "x264 too old for AVC Intra 300/480, at least version 164 needed\n");
806 return AVERROR(EINVAL);
807 #else
808 /* AVC-Intra 300/480 only supported by Sony XAVC flavor */
809 x4->params.i_avcintra_flavor = X264_AVCINTRA_FLAVOR_SONY;
810 #endif
811 }
812
813 if (x4->b_bias != INT_MIN)
814 x4->params.i_bframe_bias = x4->b_bias;
815 if (x4->b_pyramid >= 0)
816 x4->params.i_bframe_pyramid = x4->b_pyramid;
817 if (x4->mixed_refs >= 0)
818 x4->params.analyse.b_mixed_references = x4->mixed_refs;
819 if (x4->dct8x8 >= 0)
820 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
821 if (x4->fast_pskip >= 0)
822 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
823 if (x4->aud >= 0)
824 x4->params.b_aud = x4->aud;
825 if (x4->mbtree >= 0)
826 x4->params.rc.b_mb_tree = x4->mbtree;
827 if (x4->direct_pred >= 0)
828 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
829
830 if (x4->slice_max_size >= 0)
831 x4->params.i_slice_max_size = x4->slice_max_size;
832
833 if (x4->fastfirstpass)
834 x264_param_apply_fastfirstpass(&x4->params);
835
836 x4->profile = x4->profile_opt;
837 /* Allow specifying the x264 profile through AVCodecContext. */
838 if (!x4->profile)
839 switch (avctx->profile) {
840 case FF_PROFILE_H264_BASELINE:
841 x4->profile = "baseline";
842 break;
843 case FF_PROFILE_H264_HIGH:
844 x4->profile = "high";
845 break;
846 case FF_PROFILE_H264_HIGH_10:
847 x4->profile = "high10";
848 break;
849 case FF_PROFILE_H264_HIGH_422:
850 x4->profile = "high422";
851 break;
852 case FF_PROFILE_H264_HIGH_444:
853 x4->profile = "high444";
854 break;
855 case FF_PROFILE_H264_MAIN:
856 x4->profile = "main";
857 break;
858 default:
859 break;
860 }
861
862 if (x4->nal_hrd >= 0)
863 x4->params.i_nal_hrd = x4->nal_hrd;
864
865 if (x4->motion_est >= 0)
866 x4->params.analyse.i_me_method = x4->motion_est;
867
868 if (x4->coder >= 0)
869 x4->params.b_cabac = x4->coder;
870
871 if (x4->b_frame_strategy >= 0)
872 x4->params.i_bframe_adaptive = x4->b_frame_strategy;
873
874 if (x4->profile)
875 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
876 int i;
877 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
878 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
879 for (i = 0; x264_profile_names[i]; i++)
880 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
881 av_log(avctx, AV_LOG_INFO, "\n");
882 return AVERROR(EINVAL);
883 }
884
885 x4->params.i_width = avctx->width;
886 x4->params.i_height = avctx->height;
887 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
888 x4->params.vui.i_sar_width = sw;
889 x4->params.vui.i_sar_height = sh;
890 x4->params.i_timebase_den = avctx->time_base.den;
891 x4->params.i_timebase_num = avctx->time_base.num;
892 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
893 x4->params.i_fps_num = avctx->framerate.num;
894 x4->params.i_fps_den = avctx->framerate.den;
895 } else {
896 x4->params.i_fps_num = avctx->time_base.den;
897 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
898 }
899
900 x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
901
902 x4->params.i_threads = avctx->thread_count;
903 if (avctx->thread_type)
904 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
905
906 x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
907
908 x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
909
910 x4->params.i_slice_count = avctx->slices;
911
912 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED)
913 x4->params.vui.b_fullrange = avctx->color_range == AVCOL_RANGE_JPEG;
914 else if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
915 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
916 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P)
917 x4->params.vui.b_fullrange = 1;
918
919 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
920 x4->params.vui.i_colmatrix = avctx->colorspace;
921 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
922 x4->params.vui.i_colorprim = avctx->color_primaries;
923 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
924 x4->params.vui.i_transfer = avctx->color_trc;
925 if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
926 x4->params.vui.i_chroma_loc = avctx->chroma_sample_location - 1;
927
928 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
929 x4->params.b_repeat_headers = 0;
930
931 if(x4->x264opts){
932 const char *p= x4->x264opts;
933 while(p){
934 char param[4096]={0}, val[4096]={0};
935 if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
936 ret = parse_opts(avctx, param, "1");
937 if (ret < 0)
938 return ret;
939 } else {
940 ret = parse_opts(avctx, param, val);
941 if (ret < 0)
942 return ret;
943 }
944 p= strchr(p, ':');
945 if (p) {
946 ++p;
947 }
948 }
949 }
950
951 #if X264_BUILD >= 142
952 /* Separate headers not supported in AVC-Intra mode */
953 if (x4->avcintra_class >= 0)
954 x4->params.b_repeat_headers = 1;
955 #endif
956
957 {
958 AVDictionaryEntry *en = NULL;
959 while (en = av_dict_get(x4->x264_params, "", en, AV_DICT_IGNORE_SUFFIX)) {
960 if ((ret = x264_param_parse(&x4->params, en->key, en->value)) < 0) {
961 av_log(avctx, AV_LOG_WARNING,
962 "Error parsing option '%s = %s'.\n",
963 en->key, en->value);
964 #if X264_BUILD >= 161
965 if (ret == X264_PARAM_ALLOC_FAILED)
966 return AVERROR(ENOMEM);
967 #endif
968 }
969 }
970 }
971
972 // update AVCodecContext with x264 parameters
973 avctx->has_b_frames = x4->params.i_bframe ?
974 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
975 if (avctx->max_b_frames < 0)
976 avctx->max_b_frames = 0;
977
978 avctx->bit_rate = x4->params.rc.i_bitrate*1000LL;
979
980 x4->enc = x264_encoder_open(&x4->params);
981 if (!x4->enc)
982 return AVERROR_EXTERNAL;
983
984 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
985 x264_nal_t *nal;
986 uint8_t *p;
987 int nnal, s, i;
988
989 s = x264_encoder_headers(x4->enc, &nal, &nnal);
990 avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE);
991 if (!p)
992 return AVERROR(ENOMEM);
993
994 for (i = 0; i < nnal; i++) {
995 /* Don't put the SEI in extradata. */
996 if (nal[i].i_type == NAL_SEI) {
997 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
998 x4->sei_size = nal[i].i_payload;
999 x4->sei = av_malloc(x4->sei_size);
1000 if (!x4->sei)
1001 return AVERROR(ENOMEM);
1002 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
1003 continue;
1004 }
1005 memcpy(p, nal[i].p_payload, nal[i].i_payload);
1006 p += nal[i].i_payload;
1007 }
1008 avctx->extradata_size = p - avctx->extradata;
1009 }
1010
1011 cpb_props = ff_add_cpb_side_data(avctx);
1012 if (!cpb_props)
1013 return AVERROR(ENOMEM);
1014 cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
1015 cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL;
1016 cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000LL;
1017
1018 // Overestimate the reordered opaque buffer size, in case a runtime
1019 // reconfigure would increase the delay (which it shouldn't).
1020 x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
1021 x4->reordered_opaque = av_malloc_array(x4->nb_reordered_opaque,
1022 sizeof(*x4->reordered_opaque));
1023 if (!x4->reordered_opaque)
1024 return AVERROR(ENOMEM);
1025
1026 return 0;
1027 }
1028
1029 static const enum AVPixelFormat pix_fmts_8bit[] = {
1030 AV_PIX_FMT_YUV420P,
1031 AV_PIX_FMT_YUVJ420P,
1032 AV_PIX_FMT_YUV422P,
1033 AV_PIX_FMT_YUVJ422P,
1034 AV_PIX_FMT_YUV444P,
1035 AV_PIX_FMT_YUVJ444P,
1036 AV_PIX_FMT_NV12,
1037 AV_PIX_FMT_NV16,
1038 #ifdef X264_CSP_NV21
1039 AV_PIX_FMT_NV21,
1040 #endif
1041 AV_PIX_FMT_NONE
1042 };
1043 static const enum AVPixelFormat pix_fmts_9bit[] = {
1044 AV_PIX_FMT_YUV420P9,
1045 AV_PIX_FMT_YUV444P9,
1046 AV_PIX_FMT_NONE
1047 };
1048 static const enum AVPixelFormat pix_fmts_10bit[] = {
1049 AV_PIX_FMT_YUV420P10,
1050 AV_PIX_FMT_YUV422P10,
1051 AV_PIX_FMT_YUV444P10,
1052 AV_PIX_FMT_NV20,
1053 AV_PIX_FMT_NONE
1054 };
1055 static const enum AVPixelFormat pix_fmts_all[] = {
1056 AV_PIX_FMT_YUV420P,
1057 AV_PIX_FMT_YUVJ420P,
1058 AV_PIX_FMT_YUV422P,
1059 AV_PIX_FMT_YUVJ422P,
1060 AV_PIX_FMT_YUV444P,
1061 AV_PIX_FMT_YUVJ444P,
1062 AV_PIX_FMT_NV12,
1063 AV_PIX_FMT_NV16,
1064 #ifdef X264_CSP_NV21
1065 AV_PIX_FMT_NV21,
1066 #endif
1067 AV_PIX_FMT_YUV420P10,
1068 AV_PIX_FMT_YUV422P10,
1069 AV_PIX_FMT_YUV444P10,
1070 AV_PIX_FMT_NV20,
1071 #ifdef X264_CSP_I400
1072 AV_PIX_FMT_GRAY8,
1073 AV_PIX_FMT_GRAY10,
1074 #endif
1075 AV_PIX_FMT_NONE
1076 };
1077 #if CONFIG_LIBX264RGB_ENCODER
1078 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
1079 AV_PIX_FMT_BGR0,
1080 AV_PIX_FMT_BGR24,
1081 AV_PIX_FMT_RGB24,
1082 AV_PIX_FMT_NONE
1083 };
1084 #endif
1085
1086 #if X264_BUILD < 153
X264_init_static(FFCodec * codec)1087 static av_cold void X264_init_static(FFCodec *codec)
1088 {
1089 if (x264_bit_depth == 8)
1090 codec->p.pix_fmts = pix_fmts_8bit;
1091 else if (x264_bit_depth == 9)
1092 codec->p.pix_fmts = pix_fmts_9bit;
1093 else if (x264_bit_depth == 10)
1094 codec->p.pix_fmts = pix_fmts_10bit;
1095 }
1096 #endif
1097
1098 #define OFFSET(x) offsetof(X264Context, x)
1099 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1100 static const AVOption options[] = {
1101 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
1102 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1103 { "profile", "Set profile restrictions (cf. x264 --fullhelp)", OFFSET(profile_opt), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1104 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
1105 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1106 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1107 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1108 {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
1109 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1110 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
1111 { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
1112 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1113 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
1114 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1115 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1116 { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1117 #if X264_BUILD >= 144
1118 { "autovariance-biased", "Auto-variance AQ with bias to dark scenes", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE_BIASED}, INT_MIN, INT_MAX, VE, "aq_mode" },
1119 #endif
1120 { "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, VE},
1121 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1122 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
1123 { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1124 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1125 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
1126 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
1127 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
1128 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
1129 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1130 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1131 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1132 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
1133 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
1134 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1135 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1136 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1137 { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE },
1138 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1139 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1140 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1141 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1142 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1143 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
1144 { "partitions", "A comma-separated list of partitions to consider. "
1145 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1146 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
1147 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
1148 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
1149 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
1150 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
1151 { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1152 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1153 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
1154 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
1155 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1156 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1157 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1158 { "avcintra-class","AVC-Intra class 50/100/200/300/480", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 480 , VE},
1159 { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1160 { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1161 { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
1162 { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
1163 { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
1164 { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1165 { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1166 { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
1167 { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
1168 { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
1169 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1170 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1171 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1172 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1173 { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1174 { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, VE },
1175 { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1176 { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1177 { "udu_sei", "Use user data unregistered SEI if available", OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
1178 { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
1179 { NULL },
1180 };
1181
1182 static const FFCodecDefault x264_defaults[] = {
1183 { "b", "0" },
1184 { "bf", "-1" },
1185 { "flags2", "0" },
1186 { "g", "-1" },
1187 { "i_qfactor", "-1" },
1188 { "b_qfactor", "-1" },
1189 { "qmin", "-1" },
1190 { "qmax", "-1" },
1191 { "qdiff", "-1" },
1192 { "qblur", "-1" },
1193 { "qcomp", "-1" },
1194 // { "rc_lookahead", "-1" },
1195 { "refs", "-1" },
1196 { "trellis", "-1" },
1197 { "me_range", "-1" },
1198 { "subq", "-1" },
1199 { "keyint_min", "-1" },
1200 { "cmp", "-1" },
1201 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1202 { "thread_type", "0" },
1203 { "flags", "+cgop" },
1204 { "rc_init_occupancy","-1" },
1205 { NULL },
1206 };
1207
1208 #if CONFIG_LIBX264_ENCODER
1209 static const AVClass x264_class = {
1210 .class_name = "libx264",
1211 .item_name = av_default_item_name,
1212 .option = options,
1213 .version = LIBAVUTIL_VERSION_INT,
1214 };
1215
1216 #if X264_BUILD >= 153
1217 const
1218 #endif
1219 FFCodec ff_libx264_encoder = {
1220 .p.name = "libx264",
1221 .p.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1222 .p.type = AVMEDIA_TYPE_VIDEO,
1223 .p.id = AV_CODEC_ID_H264,
1224 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
1225 AV_CODEC_CAP_OTHER_THREADS |
1226 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1227 .p.priv_class = &x264_class,
1228 .p.wrapper_name = "libx264",
1229 .priv_data_size = sizeof(X264Context),
1230 .init = X264_init,
1231 FF_CODEC_ENCODE_CB(X264_frame),
1232 .close = X264_close,
1233 .defaults = x264_defaults,
1234 #if X264_BUILD < 153
1235 .init_static_data = X264_init_static,
1236 #else
1237 .p.pix_fmts = pix_fmts_all,
1238 #endif
1239 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS
1240 #if X264_BUILD >= 158
1241 | FF_CODEC_CAP_INIT_THREADSAFE
1242 #endif
1243 ,
1244 };
1245 #endif
1246
1247 #if CONFIG_LIBX264RGB_ENCODER
1248 static const AVClass rgbclass = {
1249 .class_name = "libx264rgb",
1250 .item_name = av_default_item_name,
1251 .option = options,
1252 .version = LIBAVUTIL_VERSION_INT,
1253 };
1254
1255 const FFCodec ff_libx264rgb_encoder = {
1256 .p.name = "libx264rgb",
1257 .p.long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1258 .p.type = AVMEDIA_TYPE_VIDEO,
1259 .p.id = AV_CODEC_ID_H264,
1260 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
1261 AV_CODEC_CAP_OTHER_THREADS |
1262 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1263 .p.pix_fmts = pix_fmts_8bit_rgb,
1264 .p.priv_class = &rgbclass,
1265 .p.wrapper_name = "libx264",
1266 .priv_data_size = sizeof(X264Context),
1267 .init = X264_init,
1268 FF_CODEC_ENCODE_CB(X264_frame),
1269 .close = X264_close,
1270 .defaults = x264_defaults,
1271 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS
1272 #if X264_BUILD >= 158
1273 | FF_CODEC_CAP_INIT_THREADSAFE
1274 #endif
1275 ,
1276 };
1277 #endif
1278
1279 #if CONFIG_LIBX262_ENCODER
1280 static const AVClass X262_class = {
1281 .class_name = "libx262",
1282 .item_name = av_default_item_name,
1283 .option = options,
1284 .version = LIBAVUTIL_VERSION_INT,
1285 };
1286
1287 const FFCodec ff_libx262_encoder = {
1288 .p.name = "libx262",
1289 .p.long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1290 .p.type = AVMEDIA_TYPE_VIDEO,
1291 .p.id = AV_CODEC_ID_MPEG2VIDEO,
1292 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
1293 AV_CODEC_CAP_OTHER_THREADS |
1294 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1295 .p.pix_fmts = pix_fmts_8bit,
1296 .p.priv_class = &X262_class,
1297 .p.wrapper_name = "libx264",
1298 .priv_data_size = sizeof(X264Context),
1299 .init = X264_init,
1300 FF_CODEC_ENCODE_CB(X264_frame),
1301 .close = X264_close,
1302 .defaults = x264_defaults,
1303 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS,
1304 };
1305 #endif
1306