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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 "libavutil/eval.h"
23#include "libavutil/internal.h"
24#include "libavutil/opt.h"
25#include "libavutil/mem.h"
26#include "libavutil/pixdesc.h"
27#include "libavutil/stereo3d.h"
28#include "libavutil/intreadwrite.h"
29#include "avcodec.h"
30#include "internal.h"
31
32#if defined(_MSC_VER)
33#define X264_API_IMPORTS 1
34#endif
35
36#include <x264.h>
37#include <float.h>
38#include <math.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42
43typedef struct X264Context {
44 AVClass *class;
45 x264_param_t params;
46 x264_t *enc;
47 x264_picture_t pic;
48 uint8_t *sei;
49 int sei_size;
50 char *preset;
51 char *tune;
52 char *profile;
53 char *level;
54 int fastfirstpass;
55 char *wpredp;
56 char *x264opts;
57 float crf;
58 float crf_max;
59 int cqp;
60 int aq_mode;
61 float aq_strength;
62 char *psy_rd;
63 int psy;
64 int rc_lookahead;
65 int weightp;
66 int weightb;
67 int ssim;
68 int intra_refresh;
69 int bluray_compat;
70 int b_bias;
71 int b_pyramid;
72 int mixed_refs;
73 int dct8x8;
74 int fast_pskip;
75 int aud;
76 int mbtree;
77 char *deblock;
78 float cplxblur;
79 char *partitions;
80 int direct_pred;
81 int slice_max_size;
82 char *stats;
83 int nal_hrd;
84 int avcintra_class;
85 int motion_est;
86 int forced_idr;
87 int coder;
88 int a53_cc;
89 int b_frame_strategy;
90 int chroma_offset;
91 int scenechange_threshold;
92 int noise_reduction;
93
94 char *x264_params;
95} X264Context;
96
97static void X264_log(void *p, int level, const char *fmt, va_list args)
98{
99 static const int level_map[] = {
100 [X264_LOG_ERROR] = AV_LOG_ERROR,
101 [X264_LOG_WARNING] = AV_LOG_WARNING,
102 [X264_LOG_INFO] = AV_LOG_INFO,
103 [X264_LOG_DEBUG] = AV_LOG_DEBUG
104 };
105
106 if (level < 0 || level > X264_LOG_DEBUG)
107 return;
108
109 av_vlog(p, level_map[level], fmt, args);
110}
111
112
113static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
114 const x264_nal_t *nals, int nnal)
115{
116 X264Context *x4 = ctx->priv_data;
117 uint8_t *p;
118 int i, size = x4->sei_size, ret;
119
120 if (!nnal)
121 return 0;
122
123 for (i = 0; i < nnal; i++)
124 size += nals[i].i_payload;
125
126 if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
127 return ret;
128
129 p = pkt->data;
130
131 /* Write the SEI as part of the first frame. */
132 if (x4->sei_size > 0 && nnal > 0) {
133 if (x4->sei_size > size) {
134 av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
135 return -1;
136 }
137 memcpy(p, x4->sei, x4->sei_size);
138 p += x4->sei_size;
139 x4->sei_size = 0;
140 av_freep(&x4->sei);
141 }
142
143 for (i = 0; i < nnal; i++){
144 memcpy(p, nals[i].p_payload, nals[i].i_payload);
145 p += nals[i].i_payload;
146 }
147
148 return 1;
149}
150
151static int avfmt2_num_planes(int avfmt)
152{
153 switch (avfmt) {
154 case AV_PIX_FMT_YUV420P:
155 case AV_PIX_FMT_YUVJ420P:
156 case AV_PIX_FMT_YUV420P9:
157 case AV_PIX_FMT_YUV420P10:
158 case AV_PIX_FMT_YUV444P:
159 return 3;
160
161 case AV_PIX_FMT_BGR0:
162 case AV_PIX_FMT_BGR24:
163 case AV_PIX_FMT_RGB24:
164 return 1;
165
166 default:
167 return 3;
168 }
169}
170
171static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
172{
173 X264Context *x4 = ctx->priv_data;
174 AVFrameSideData *side_data;
175
176
177 if (x4->avcintra_class < 0) {
178 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
179
180 x4->params.b_tff = frame->top_field_first;
181 x264_encoder_reconfig(x4->enc, &x4->params);
182 }
183 if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
184 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
185 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
186 x264_encoder_reconfig(x4->enc, &x4->params);
187 }
188
189 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
190 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
191 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
192 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
193 x264_encoder_reconfig(x4->enc, &x4->params);
194 }
195
196 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
197 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
198 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
199 x264_encoder_reconfig(x4->enc, &x4->params);
200 }
201
202 if (x4->crf >= 0 &&
203 x4->params.rc.i_rc_method == X264_RC_CRF &&
204 x4->params.rc.f_rf_constant != x4->crf) {
205 x4->params.rc.f_rf_constant = x4->crf;
206 x264_encoder_reconfig(x4->enc, &x4->params);
207 }
208
209 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
210 x4->cqp >= 0 &&
211 x4->params.rc.i_qp_constant != x4->cqp) {
212 x4->params.rc.i_qp_constant = x4->cqp;
213 x264_encoder_reconfig(x4->enc, &x4->params);
214 }
215
216 if (x4->crf_max >= 0 &&
217 x4->params.rc.f_rf_constant_max != x4->crf_max) {
218 x4->params.rc.f_rf_constant_max = x4->crf_max;
219 x264_encoder_reconfig(x4->enc, &x4->params);
220 }
221 }
222
223 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
224 if (side_data) {
225 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
226 int fpa_type;
227
228 switch (stereo->type) {
229 case AV_STEREO3D_CHECKERBOARD:
230 fpa_type = 0;
231 break;
232 case AV_STEREO3D_COLUMNS:
233 fpa_type = 1;
234 break;
235 case AV_STEREO3D_LINES:
236 fpa_type = 2;
237 break;
238 case AV_STEREO3D_SIDEBYSIDE:
239 fpa_type = 3;
240 break;
241 case AV_STEREO3D_TOPBOTTOM:
242 fpa_type = 4;
243 break;
244 case AV_STEREO3D_FRAMESEQUENCE:
245 fpa_type = 5;
246 break;
247#if X264_BUILD >= 145
248 case AV_STEREO3D_2D:
249 fpa_type = 6;
250 break;
251#endif
252 default:
253 fpa_type = -1;
254 break;
255 }
256
257 /* Inverted mode is not supported by x264 */
258 if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
259 av_log(ctx, AV_LOG_WARNING,
260 "Ignoring unsupported inverted stereo value %d\n", fpa_type);
261 fpa_type = -1;
262 }
263
264 if (fpa_type != x4->params.i_frame_packing) {
265 x4->params.i_frame_packing = fpa_type;
266 x264_encoder_reconfig(x4->enc, &x4->params);
267 }
268 }
269}
270
271static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
272 int *got_packet)
273{
274 X264Context *x4 = ctx->priv_data;
275 x264_nal_t *nal;
276 int nnal, i, ret;
277 x264_picture_t pic_out = {0};
278 int pict_type;
279
280 x264_picture_init( &x4->pic );
281 x4->pic.img.i_csp = x4->params.i_csp;
282 if (x264_bit_depth > 8)
283 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
284 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
285
286 if (frame) {
287 for (i = 0; i < x4->pic.img.i_plane; i++) {
288 x4->pic.img.plane[i] = frame->data[i];
289 x4->pic.img.i_stride[i] = frame->linesize[i];
290 }
291
292 x4->pic.i_pts = frame->pts;
293
294 switch (frame->pict_type) {
295 case AV_PICTURE_TYPE_I:
296 x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
297 : X264_TYPE_KEYFRAME;
298 break;
299 case AV_PICTURE_TYPE_P:
300 x4->pic.i_type = X264_TYPE_P;
301 break;
302 case AV_PICTURE_TYPE_B:
303 x4->pic.i_type = X264_TYPE_B;
304 break;
305 default:
306 x4->pic.i_type = X264_TYPE_AUTO;
307 break;
308 }
309 reconfig_encoder(ctx, frame);
310
311 if (x4->a53_cc) {
312 void *sei_data;
313 size_t sei_size;
314
315 ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
316 if (ret < 0) {
317 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
318 } else if (sei_data) {
319 x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
320 if (x4->pic.extra_sei.payloads == NULL) {
321 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
322 av_free(sei_data);
323 } else {
324 x4->pic.extra_sei.sei_free = av_free;
325
326 x4->pic.extra_sei.payloads[0].payload_size = sei_size;
327 x4->pic.extra_sei.payloads[0].payload = sei_data;
328 x4->pic.extra_sei.num_payloads = 1;
329 x4->pic.extra_sei.payloads[0].payload_type = 4;
330 }
331 }
332 }
333 }
334
335 do {
336 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
337 return AVERROR_EXTERNAL;
338
339 ret = encode_nals(ctx, pkt, nal, nnal);
340 if (ret < 0)
341 return ret;
342 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
343
344 pkt->pts = pic_out.i_pts;
345 pkt->dts = pic_out.i_dts;
346
347
348 switch (pic_out.i_type) {
349 case X264_TYPE_IDR:
350 case X264_TYPE_I:
351 pict_type = AV_PICTURE_TYPE_I;
352 break;
353 case X264_TYPE_P:
354 pict_type = AV_PICTURE_TYPE_P;
355 break;
356 case X264_TYPE_B:
357 case X264_TYPE_BREF:
358 pict_type = AV_PICTURE_TYPE_B;
359 break;
360 default:
361 pict_type = AV_PICTURE_TYPE_NONE;
362 }
363#if FF_API_CODED_FRAME
364FF_DISABLE_DEPRECATION_WARNINGS
365 ctx->coded_frame->pict_type = pict_type;
366FF_ENABLE_DEPRECATION_WARNINGS
367#endif
368
369 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
370 if (ret) {
371 ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
372
373#if FF_API_CODED_FRAME
374FF_DISABLE_DEPRECATION_WARNINGS
375 ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
376FF_ENABLE_DEPRECATION_WARNINGS
377#endif
378 }
379
380 *got_packet = ret;
381 return 0;
382}
383
384static av_cold int X264_close(AVCodecContext *avctx)
385{
386 X264Context *x4 = avctx->priv_data;
387
388 av_freep(&avctx->extradata);
389 av_freep(&x4->sei);
390
391 if (x4->enc) {
392 x264_encoder_close(x4->enc);
393 x4->enc = NULL;
394 }
395
396 return 0;
397}
398
399#define OPT_STR(opt, param) \
400 do { \
401 int ret; \
402 if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
403 if(ret == X264_PARAM_BAD_NAME) \
404 av_log(avctx, AV_LOG_ERROR, \
405 "bad option '%s': '%s'\n", opt, param); \
406 else \
407 av_log(avctx, AV_LOG_ERROR, \
408 "bad value for '%s': '%s'\n", opt, param); \
409 return -1; \
410 } \
411 } while (0)
412
413static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
414{
415 switch (pix_fmt) {
416 case AV_PIX_FMT_YUV420P:
417 case AV_PIX_FMT_YUVJ420P:
418 case AV_PIX_FMT_YUV420P9:
419 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
420 case AV_PIX_FMT_YUV422P:
421 case AV_PIX_FMT_YUVJ422P:
422 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
423 case AV_PIX_FMT_YUV444P:
424 case AV_PIX_FMT_YUVJ444P:
425 case AV_PIX_FMT_YUV444P9:
426 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
427#if CONFIG_LIBX264RGB_ENCODER
428 case AV_PIX_FMT_BGR0:
429 return X264_CSP_BGRA;
430 case AV_PIX_FMT_BGR24:
431 return X264_CSP_BGR;
432
433 case AV_PIX_FMT_RGB24:
434 return X264_CSP_RGB;
435#endif
436 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
437 case AV_PIX_FMT_NV16:
438 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
439#ifdef X264_CSP_NV21
440 case AV_PIX_FMT_NV21: return X264_CSP_NV21;
441#endif
442 };
443 return 0;
444}
445
446#define PARSE_X264_OPT(name, var)\
447 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
448 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
449 return AVERROR(EINVAL);\
450 }
451
452static av_cold int X264_init(AVCodecContext *avctx)
453{
454 X264Context *x4 = avctx->priv_data;
455 AVCPBProperties *cpb_props;
456 int sw,sh;
457
458 if (avctx->global_quality > 0)
459 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
460
461#if CONFIG_LIBX262_ENCODER
462 if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
463 x4->params.b_mpeg2 = 1;
464 x264_param_default_mpeg2(&x4->params);
465 } else
466#endif
467 x264_param_default(&x4->params);
468
469 x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
470
471 if (x4->preset || x4->tune)
472 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
473 int i;
474 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
475 av_log(avctx, AV_LOG_INFO, "Possible presets:");
476 for (i = 0; x264_preset_names[i]; i++)
477 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
478 av_log(avctx, AV_LOG_INFO, "\n");
479 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
480 for (i = 0; x264_tune_names[i]; i++)
481 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
482 av_log(avctx, AV_LOG_INFO, "\n");
483 return AVERROR(EINVAL);
484 }
485
486 if (avctx->level > 0)
487 x4->params.i_level_idc = avctx->level;
488
489 x4->params.pf_log = X264_log;
490 x4->params.p_log_private = avctx;
491 x4->params.i_log_level = X264_LOG_DEBUG;
492 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
493
494 PARSE_X264_OPT("weightp", wpredp);
495
496 if (avctx->bit_rate) {
497 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
498 x4->params.rc.i_rc_method = X264_RC_ABR;
499 }
500 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
501 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
502 x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
503 if (avctx->flags & AV_CODEC_FLAG_PASS2) {
504 x4->params.rc.b_stat_read = 1;
505 } else {
506 if (x4->crf >= 0) {
507 x4->params.rc.i_rc_method = X264_RC_CRF;
508 x4->params.rc.f_rf_constant = x4->crf;
509 } else if (x4->cqp >= 0) {
510 x4->params.rc.i_rc_method = X264_RC_CQP;
511 x4->params.rc.i_qp_constant = x4->cqp;
512 }
513
514 if (x4->crf_max >= 0)
515 x4->params.rc.f_rf_constant_max = x4->crf_max;
516 }
517
518 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
519 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
520 x4->params.rc.f_vbv_buffer_init =
521 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
522 }
523
524 PARSE_X264_OPT("level", level);
525
526 if (avctx->i_quant_factor > 0)
527 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
528 if (avctx->b_quant_factor > 0)
529 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
530
531#if FF_API_PRIVATE_OPT
532FF_DISABLE_DEPRECATION_WARNINGS
533 if (avctx->chromaoffset >= 0)
534 x4->chroma_offset = avctx->chromaoffset;
535FF_ENABLE_DEPRECATION_WARNINGS
536#endif
537 if (x4->chroma_offset >= 0)
538 x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
539
540 if (avctx->gop_size >= 0)
541 x4->params.i_keyint_max = avctx->gop_size;
542 if (avctx->max_b_frames >= 0)
543 x4->params.i_bframe = avctx->max_b_frames;
544
545#if FF_API_PRIVATE_OPT
546FF_DISABLE_DEPRECATION_WARNINGS
547 if (avctx->scenechange_threshold >= 0)
548 x4->scenechange_threshold = avctx->scenechange_threshold;
549FF_ENABLE_DEPRECATION_WARNINGS
550#endif
551 if (x4->scenechange_threshold >= 0)
552 x4->params.i_scenecut_threshold = x4->scenechange_threshold;
553
554 if (avctx->qmin >= 0)
555 x4->params.rc.i_qp_min = avctx->qmin;
556 if (avctx->qmax >= 0)
557 x4->params.rc.i_qp_max = avctx->qmax;
558 if (avctx->max_qdiff >= 0)
559 x4->params.rc.i_qp_step = avctx->max_qdiff;
560 if (avctx->qblur >= 0)
561 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
562 if (avctx->qcompress >= 0)
563 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
564 if (avctx->refs >= 0)
565 x4->params.i_frame_reference = avctx->refs;
566 else if (x4->level) {
567 int i;
568 int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
569 int level_id = -1;
570 char *tail;
571 int scale = X264_BUILD < 129 ? 384 : 1;
572
573 if (!strcmp(x4->level, "1b")) {
574 level_id = 9;
575 } else if (strlen(x4->level) <= 3){
576 level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
577 if (*tail)
578 level_id = -1;
579 }
580 if (level_id <= 0)
581 av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
582
583 for (i = 0; i<x264_levels[i].level_idc; i++)
584 if (x264_levels[i].level_idc == level_id)
585 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
586 }
587
588 if (avctx->trellis >= 0)
589 x4->params.analyse.i_trellis = avctx->trellis;
590 if (avctx->me_range >= 0)
591 x4->params.analyse.i_me_range = avctx->me_range;
592#if FF_API_PRIVATE_OPT
593 FF_DISABLE_DEPRECATION_WARNINGS
594 if (avctx->noise_reduction >= 0)
595 x4->noise_reduction = avctx->noise_reduction;
596 FF_ENABLE_DEPRECATION_WARNINGS
597#endif
598 if (x4->noise_reduction >= 0)
599 x4->params.analyse.i_noise_reduction = x4->noise_reduction;
600 if (avctx->me_subpel_quality >= 0)
601 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
602#if FF_API_PRIVATE_OPT
603FF_DISABLE_DEPRECATION_WARNINGS
604 if (avctx->b_frame_strategy >= 0)
605 x4->b_frame_strategy = avctx->b_frame_strategy;
606FF_ENABLE_DEPRECATION_WARNINGS
607#endif
608 if (avctx->keyint_min >= 0)
609 x4->params.i_keyint_min = avctx->keyint_min;
610#if FF_API_CODER_TYPE
611FF_DISABLE_DEPRECATION_WARNINGS
612 if (avctx->coder_type >= 0)
613 x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
614FF_ENABLE_DEPRECATION_WARNINGS
615#endif
616 if (avctx->me_cmp >= 0)
617 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
618
619 if (x4->aq_mode >= 0)
620 x4->params.rc.i_aq_mode = x4->aq_mode;
621 if (x4->aq_strength >= 0)
622 x4->params.rc.f_aq_strength = x4->aq_strength;
623 PARSE_X264_OPT("psy-rd", psy_rd);
624 PARSE_X264_OPT("deblock", deblock);
625 PARSE_X264_OPT("partitions", partitions);
626 PARSE_X264_OPT("stats", stats);
627 if (x4->psy >= 0)
628 x4->params.analyse.b_psy = x4->psy;
629 if (x4->rc_lookahead >= 0)
630 x4->params.rc.i_lookahead = x4->rc_lookahead;
631 if (x4->weightp >= 0)
632 x4->params.analyse.i_weighted_pred = x4->weightp;
633 if (x4->weightb >= 0)
634 x4->params.analyse.b_weighted_bipred = x4->weightb;
635 if (x4->cplxblur >= 0)
636 x4->params.rc.f_complexity_blur = x4->cplxblur;
637
638 if (x4->ssim >= 0)
639 x4->params.analyse.b_ssim = x4->ssim;
640 if (x4->intra_refresh >= 0)
641 x4->params.b_intra_refresh = x4->intra_refresh;
642 if (x4->bluray_compat >= 0) {
643 x4->params.b_bluray_compat = x4->bluray_compat;
644 x4->params.b_vfr_input = 0;
645 }
646 if (x4->avcintra_class >= 0)
647#if X264_BUILD >= 142
648 x4->params.i_avcintra_class = x4->avcintra_class;
649#else
650 av_log(avctx, AV_LOG_ERROR,
651 "x264 too old for AVC Intra, at least version 142 needed\n");
652#endif
653 if (x4->b_bias != INT_MIN)
654 x4->params.i_bframe_bias = x4->b_bias;
655 if (x4->b_pyramid >= 0)
656 x4->params.i_bframe_pyramid = x4->b_pyramid;
657 if (x4->mixed_refs >= 0)
658 x4->params.analyse.b_mixed_references = x4->mixed_refs;
659 if (x4->dct8x8 >= 0)
660 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
661 if (x4->fast_pskip >= 0)
662 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
663 if (x4->aud >= 0)
664 x4->params.b_aud = x4->aud;
665 if (x4->mbtree >= 0)
666 x4->params.rc.b_mb_tree = x4->mbtree;
667 if (x4->direct_pred >= 0)
668 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
669
670 if (x4->slice_max_size >= 0)
671 x4->params.i_slice_max_size = x4->slice_max_size;
672
673 if (x4->fastfirstpass)
674 x264_param_apply_fastfirstpass(&x4->params);
675
676 /* Allow specifying the x264 profile through AVCodecContext. */
677 if (!x4->profile)
678 switch (avctx->profile) {
679 case FF_PROFILE_H264_BASELINE:
680 x4->profile = av_strdup("baseline");
681 break;
682 case FF_PROFILE_H264_HIGH:
683 x4->profile = av_strdup("high");
684 break;
685 case FF_PROFILE_H264_HIGH_10:
686 x4->profile = av_strdup("high10");
687 break;
688 case FF_PROFILE_H264_HIGH_422:
689 x4->profile = av_strdup("high422");
690 break;
691 case FF_PROFILE_H264_HIGH_444:
692 x4->profile = av_strdup("high444");
693 break;
694 case FF_PROFILE_H264_MAIN:
695 x4->profile = av_strdup("main");
696 break;
697 default:
698 break;
699 }
700
701 if (x4->nal_hrd >= 0)
702 x4->params.i_nal_hrd = x4->nal_hrd;
703
704 if (x4->motion_est >= 0) {
705 x4->params.analyse.i_me_method = x4->motion_est;
706#if FF_API_MOTION_EST
707FF_DISABLE_DEPRECATION_WARNINGS
708 } else {
709 if (avctx->me_method == ME_EPZS)
710 x4->params.analyse.i_me_method = X264_ME_DIA;
711 else if (avctx->me_method == ME_HEX)
712 x4->params.analyse.i_me_method = X264_ME_HEX;
713 else if (avctx->me_method == ME_UMH)
714 x4->params.analyse.i_me_method = X264_ME_UMH;
715 else if (avctx->me_method == ME_FULL)
716 x4->params.analyse.i_me_method = X264_ME_ESA;
717 else if (avctx->me_method == ME_TESA)
718 x4->params.analyse.i_me_method = X264_ME_TESA;
719FF_ENABLE_DEPRECATION_WARNINGS
720#endif
721 }
722
723 if (x4->coder >= 0)
724 x4->params.b_cabac = x4->coder;
725
726 if (x4->b_frame_strategy >= 0)
727 x4->params.i_bframe_adaptive = x4->b_frame_strategy;
728
729 if (x4->profile)
730 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
731 int i;
732 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
733 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
734 for (i = 0; x264_profile_names[i]; i++)
735 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
736 av_log(avctx, AV_LOG_INFO, "\n");
737 return AVERROR(EINVAL);
738 }
739
740 x4->params.i_width = avctx->width;
741 x4->params.i_height = avctx->height;
742 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
743 x4->params.vui.i_sar_width = sw;
744 x4->params.vui.i_sar_height = sh;
745 x4->params.i_timebase_den = avctx->time_base.den;
746 x4->params.i_timebase_num = avctx->time_base.num;
747 x4->params.i_fps_num = avctx->time_base.den;
748 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
749
750 x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
751
752 x4->params.i_threads = avctx->thread_count;
753 if (avctx->thread_type)
754 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
755
756 x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
757
758 x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
759
760 x4->params.i_slice_count = avctx->slices;
761
762 x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
763 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
764 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
765 avctx->color_range == AVCOL_RANGE_JPEG;
766
767 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
768 x4->params.vui.i_colmatrix = avctx->colorspace;
769 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
770 x4->params.vui.i_colorprim = avctx->color_primaries;
771 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
772 x4->params.vui.i_transfer = avctx->color_trc;
773
774 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
775 x4->params.b_repeat_headers = 0;
776
777 if(x4->x264opts){
778 const char *p= x4->x264opts;
779 while(p){
780 char param[4096]={0}, val[4096]={0};
781 if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
782 OPT_STR(param, "1");
783 }else
784 OPT_STR(param, val);
785 p= strchr(p, ':');
786 p+=!!p;
787 }
788 }
789
790 if (x4->x264_params) {
791 AVDictionary *dict = NULL;
792 AVDictionaryEntry *en = NULL;
793
794 if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
795 while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
796 if (x264_param_parse(&x4->params, en->key, en->value) < 0)
797 av_log(avctx, AV_LOG_WARNING,
798 "Error parsing option '%s = %s'.\n",
799 en->key, en->value);
800 }
801
802 av_dict_free(&dict);
803 }
804 }
805
806 // update AVCodecContext with x264 parameters
807 avctx->has_b_frames = x4->params.i_bframe ?
808 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
809 if (avctx->max_b_frames < 0)
810 avctx->max_b_frames = 0;
811
812 avctx->bit_rate = x4->params.rc.i_bitrate*1000;
813
814 x4->enc = x264_encoder_open(&x4->params);
815 if (!x4->enc)
816 return AVERROR_EXTERNAL;
817
818 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
819 x264_nal_t *nal;
820 uint8_t *p;
821 int nnal, s, i;
822
823 s = x264_encoder_headers(x4->enc, &nal, &nnal);
824 avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE);
825 if (!p)
826 return AVERROR(ENOMEM);
827
828 for (i = 0; i < nnal; i++) {
829 /* Don't put the SEI in extradata. */
830 if (nal[i].i_type == NAL_SEI) {
831 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
832 x4->sei_size = nal[i].i_payload;
833 x4->sei = av_malloc(x4->sei_size);
834 if (!x4->sei)
835 return AVERROR(ENOMEM);
836 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
837 continue;
838 }
839 memcpy(p, nal[i].p_payload, nal[i].i_payload);
840 p += nal[i].i_payload;
841 }
842 avctx->extradata_size = p - avctx->extradata;
843 }
844
845 cpb_props = ff_add_cpb_side_data(avctx);
846 if (!cpb_props)
847 return AVERROR(ENOMEM);
848 cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
849 cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000;
850 cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000;
851
852 return 0;
853}
854
855static const enum AVPixelFormat pix_fmts_8bit[] = {
856 AV_PIX_FMT_YUV420P,
857 AV_PIX_FMT_YUVJ420P,
858 AV_PIX_FMT_YUV422P,
859 AV_PIX_FMT_YUVJ422P,
860 AV_PIX_FMT_YUV444P,
861 AV_PIX_FMT_YUVJ444P,
862 AV_PIX_FMT_NV12,
863 AV_PIX_FMT_NV16,
864#ifdef X264_CSP_NV21
865 AV_PIX_FMT_NV21,
866#endif
867 AV_PIX_FMT_NONE
868};
869static const enum AVPixelFormat pix_fmts_9bit[] = {
870 AV_PIX_FMT_YUV420P9,
871 AV_PIX_FMT_YUV444P9,
872 AV_PIX_FMT_NONE
873};
874static const enum AVPixelFormat pix_fmts_10bit[] = {
875 AV_PIX_FMT_YUV420P10,
876 AV_PIX_FMT_YUV422P10,
877 AV_PIX_FMT_YUV444P10,
878 AV_PIX_FMT_NV20,
879 AV_PIX_FMT_NONE
880};
881#if CONFIG_LIBX264RGB_ENCODER
882static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
883 AV_PIX_FMT_BGR0,
884 AV_PIX_FMT_BGR24,
885 AV_PIX_FMT_RGB24,
886 AV_PIX_FMT_NONE
887};
888#endif
889
890static av_cold void X264_init_static(AVCodec *codec)
891{
892 if (x264_bit_depth == 8)
893 codec->pix_fmts = pix_fmts_8bit;
894 else if (x264_bit_depth == 9)
895 codec->pix_fmts = pix_fmts_9bit;
896 else if (x264_bit_depth == 10)
897 codec->pix_fmts = pix_fmts_10bit;
898}
899
900#define OFFSET(x) offsetof(X264Context, x)
901#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
902static const AVOption options[] = {
903 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
904 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
905 { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
906 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
907 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
908 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
909 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
910 {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
911 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
912 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
913 { "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 },
914 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
915 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
916 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
917 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
918 { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
919#if X264_BUILD >= 144
920 { "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" },
921#endif
922 { "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},
923 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
924 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
925 { "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 },
926 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
927 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
928 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
929 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
930 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
931 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
932 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
933 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
934 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
935 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
936 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
937 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
938 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
939 { "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 },
940 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
941 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
942 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
943 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
944 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
945 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
946 { "partitions", "A comma-separated list of partitions to consider. "
947 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
948 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
949 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
950 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
951 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
952 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
953 { "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 },
954 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
955 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
956 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
957 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
958 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
959 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
960 { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
961 { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
962 { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
963 { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
964 { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
965 { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
966 { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
967 { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
968 { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
969 { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
970 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
971 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
972 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
973 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
974 { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
975 { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
976 { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
977 { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
978
979 { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
980 { NULL },
981};
982
983static const AVCodecDefault x264_defaults[] = {
984 { "b", "0" },
985 { "bf", "-1" },
986 { "flags2", "0" },
987 { "g", "-1" },
988 { "i_qfactor", "-1" },
989 { "b_qfactor", "-1" },
990 { "qmin", "-1" },
991 { "qmax", "-1" },
992 { "qdiff", "-1" },
993 { "qblur", "-1" },
994 { "qcomp", "-1" },
995// { "rc_lookahead", "-1" },
996 { "refs", "-1" },
997#if FF_API_PRIVATE_OPT
998 { "sc_threshold", "-1" },
999#endif
1000 { "trellis", "-1" },
1001#if FF_API_PRIVATE_OPT
1002 { "nr", "-1" },
1003#endif
1004 { "me_range", "-1" },
1005#if FF_API_MOTION_EST
1006 { "me_method", "-1" },
1007#endif
1008 { "subq", "-1" },
1009#if FF_API_PRIVATE_OPT
1010 { "b_strategy", "-1" },
1011#endif
1012 { "keyint_min", "-1" },
1013#if FF_API_CODER_TYPE
1014 { "coder", "-1" },
1015#endif
1016 { "cmp", "-1" },
1017 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1018 { "thread_type", "0" },
1019 { "flags", "+cgop" },
1020 { "rc_init_occupancy","-1" },
1021 { NULL },
1022};
1023
1024#if CONFIG_LIBX264_ENCODER
1025static const AVClass x264_class = {
1026 .class_name = "libx264",
1027 .item_name = av_default_item_name,
1028 .option = options,
1029 .version = LIBAVUTIL_VERSION_INT,
1030};
1031
1032AVCodec ff_libx264_encoder = {
1033 .name = "libx264",
1034 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1035 .type = AVMEDIA_TYPE_VIDEO,
1036 .id = AV_CODEC_ID_H264,
1037 .priv_data_size = sizeof(X264Context),
1038 .init = X264_init,
1039 .encode2 = X264_frame,
1040 .close = X264_close,
1041 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
1042 .priv_class = &x264_class,
1043 .defaults = x264_defaults,
1044 .init_static_data = X264_init_static,
1045 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1046 FF_CODEC_CAP_INIT_CLEANUP,
1047};
1048#endif
1049
1050#if CONFIG_LIBX264RGB_ENCODER
1051static const AVClass rgbclass = {
1052 .class_name = "libx264rgb",
1053 .item_name = av_default_item_name,
1054 .option = options,
1055 .version = LIBAVUTIL_VERSION_INT,
1056};
1057
1058AVCodec ff_libx264rgb_encoder = {
1059 .name = "libx264rgb",
1060 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1061 .type = AVMEDIA_TYPE_VIDEO,
1062 .id = AV_CODEC_ID_H264,
1063 .priv_data_size = sizeof(X264Context),
1064 .init = X264_init,
1065 .encode2 = X264_frame,
1066 .close = X264_close,
1067 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
1068 .priv_class = &rgbclass,
1069 .defaults = x264_defaults,
1070 .pix_fmts = pix_fmts_8bit_rgb,
1071};
1072#endif
1073
1074#if CONFIG_LIBX262_ENCODER
1075static const AVClass X262_class = {
1076 .class_name = "libx262",
1077 .item_name = av_default_item_name,
1078 .option = options,
1079 .version = LIBAVUTIL_VERSION_INT,
1080};
1081
1082AVCodec ff_libx262_encoder = {
1083 .name = "libx262",
1084 .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1085 .type = AVMEDIA_TYPE_VIDEO,
1086 .id = AV_CODEC_ID_MPEG2VIDEO,
1087 .priv_data_size = sizeof(X264Context),
1088 .init = X264_init,
1089 .encode2 = X264_frame,
1090 .close = X264_close,
1091 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
1092 .priv_class = &X262_class,
1093 .defaults = x264_defaults,
1094 .pix_fmts = pix_fmts_8bit,
1095 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1096 FF_CODEC_CAP_INIT_CLEANUP,
1097};
1098#endif
1099
generated by cgit at 2024-05-17 05:49:01 (GMT)