FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
libvpxenc.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2010, Google, Inc.
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * VP8/9 encoder support via libvpx
24  */
25 
26 #define VPX_DISABLE_CTRL_TYPECHECKS 1
27 #define VPX_CODEC_DISABLE_COMPAT 1
28 #include <vpx/vpx_encoder.h>
29 #include <vpx/vp8cx.h>
30 
31 #include "avcodec.h"
32 #include "internal.h"
33 #include "libavutil/avassert.h"
34 #include "libvpx.h"
35 #include "profiles.h"
36 #include "libavutil/base64.h"
37 #include "libavutil/common.h"
38 #include "libavutil/internal.h"
39 #include "libavutil/intreadwrite.h"
40 #include "libavutil/mathematics.h"
41 #include "libavutil/opt.h"
42 
43 /**
44  * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
45  * One encoded frame returned from the library.
46  */
47 struct FrameListData {
48  void *buf; /**< compressed data buffer */
49  size_t sz; /**< length of compressed data */
50  void *buf_alpha;
51  size_t sz_alpha;
52  int64_t pts; /**< time stamp to show frame
53  (in timebase units) */
54  unsigned long duration; /**< duration to show frame
55  (in timebase units) */
56  uint32_t flags; /**< flags for this frame */
57  uint64_t sse[4];
58  int have_sse; /**< true if we have pending sse[] */
59  uint64_t frame_number;
61 };
62 
63 typedef struct VPxEncoderContext {
64  AVClass *class;
65  struct vpx_codec_ctx encoder;
66  struct vpx_image rawimg;
67  struct vpx_codec_ctx encoder_alpha;
68  struct vpx_image rawimg_alpha;
70  struct vpx_fixed_buf twopass_stats;
71  int deadline; //i.e., RT/GOOD/BEST
72  uint64_t sse[4];
73  int have_sse; /**< true if we have pending sse[] */
74  uint64_t frame_number;
76 
77  int cpu_used;
78  /**
79  * VP8 specific flags, see VP8F_* below.
80  */
81  int flags;
82 #define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links
83 #define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation
84 
86 
89  int arnr_type;
90 
91  int tune;
92 
95  int crf;
100 
101  // VP9-only
102  int lossless;
106  int aq_mode;
109  int vpx_cs;
110 } VPxContext;
111 
112 /** String mappings for enum vp8e_enc_control_id */
113 static const char *const ctlidstr[] = {
114  [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
115  [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
116  [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
117  [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
118  [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
119  [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
120  [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
121  [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
122  [VP8E_SET_TUNING] = "VP8E_SET_TUNING",
123  [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
124  [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
125 #if CONFIG_LIBVPX_VP9_ENCODER
126  [VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
127  [VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
128  [VP9E_SET_TILE_ROWS] = "VP9E_SET_TILE_ROWS",
129  [VP9E_SET_FRAME_PARALLEL_DECODING] = "VP9E_SET_FRAME_PARALLEL_DECODING",
130  [VP9E_SET_AQ_MODE] = "VP9E_SET_AQ_MODE",
131 #if VPX_ENCODER_ABI_VERSION > 8
132  [VP9E_SET_COLOR_SPACE] = "VP9E_SET_COLOR_SPACE",
133 #endif
134 #if VPX_ENCODER_ABI_VERSION >= 11
135  [VP9E_SET_COLOR_RANGE] = "VP9E_SET_COLOR_RANGE",
136 #endif
137 #endif
138 };
139 
140 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
141 {
142  VPxContext *ctx = avctx->priv_data;
143  const char *error = vpx_codec_error(&ctx->encoder);
144  const char *detail = vpx_codec_error_detail(&ctx->encoder);
145 
146  av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
147  if (detail)
148  av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
149 }
150 
152  const struct vpx_codec_enc_cfg *cfg)
153 {
154  int width = -30;
155  int level = AV_LOG_DEBUG;
156 
157  av_log(avctx, level, "vpx_codec_enc_cfg\n");
158  av_log(avctx, level, "generic settings\n"
159  " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
160 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
161  " %*s%u\n %*s%u\n"
162 #endif
163  " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
164  width, "g_usage:", cfg->g_usage,
165  width, "g_threads:", cfg->g_threads,
166  width, "g_profile:", cfg->g_profile,
167  width, "g_w:", cfg->g_w,
168  width, "g_h:", cfg->g_h,
169 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
170  width, "g_bit_depth:", cfg->g_bit_depth,
171  width, "g_input_bit_depth:", cfg->g_input_bit_depth,
172 #endif
173  width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
174  width, "g_error_resilient:", cfg->g_error_resilient,
175  width, "g_pass:", cfg->g_pass,
176  width, "g_lag_in_frames:", cfg->g_lag_in_frames);
177  av_log(avctx, level, "rate control settings\n"
178  " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
179  " %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
180  width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
181  width, "rc_resize_allowed:", cfg->rc_resize_allowed,
182  width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
183  width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
184  width, "rc_end_usage:", cfg->rc_end_usage,
185  width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
186  width, "rc_target_bitrate:", cfg->rc_target_bitrate);
187  av_log(avctx, level, "quantizer settings\n"
188  " %*s%u\n %*s%u\n",
189  width, "rc_min_quantizer:", cfg->rc_min_quantizer,
190  width, "rc_max_quantizer:", cfg->rc_max_quantizer);
191  av_log(avctx, level, "bitrate tolerance\n"
192  " %*s%u\n %*s%u\n",
193  width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
194  width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
195  av_log(avctx, level, "decoder buffer model\n"
196  " %*s%u\n %*s%u\n %*s%u\n",
197  width, "rc_buf_sz:", cfg->rc_buf_sz,
198  width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
199  width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
200  av_log(avctx, level, "2 pass rate control settings\n"
201  " %*s%u\n %*s%u\n %*s%u\n",
202  width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
203  width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
204  width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
205  av_log(avctx, level, "keyframing settings\n"
206  " %*s%d\n %*s%u\n %*s%u\n",
207  width, "kf_mode:", cfg->kf_mode,
208  width, "kf_min_dist:", cfg->kf_min_dist,
209  width, "kf_max_dist:", cfg->kf_max_dist);
210  av_log(avctx, level, "\n");
211 }
212 
213 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
214 {
215  struct FrameListData **p = list;
216 
217  while (*p)
218  p = &(*p)->next;
219  *p = cx_frame;
220  cx_frame->next = NULL;
221 }
222 
223 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
224 {
225  av_freep(&cx_frame->buf);
226  if (cx_frame->buf_alpha)
227  av_freep(&cx_frame->buf_alpha);
228  av_freep(&cx_frame);
229 }
230 
231 static av_cold void free_frame_list(struct FrameListData *list)
232 {
233  struct FrameListData *p = list;
234 
235  while (p) {
236  list = list->next;
237  free_coded_frame(p);
238  p = list;
239  }
240 }
241 
243  enum vp8e_enc_control_id id, int val)
244 {
245  VPxContext *ctx = avctx->priv_data;
246  char buf[80];
247  int width = -30;
248  int res;
249 
250  snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
251  av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
252 
253  res = vpx_codec_control(&ctx->encoder, id, val);
254  if (res != VPX_CODEC_OK) {
255  snprintf(buf, sizeof(buf), "Failed to set %s codec control",
256  ctlidstr[id]);
257  log_encoder_error(avctx, buf);
258  }
259 
260  return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
261 }
262 
263 static av_cold int vpx_free(AVCodecContext *avctx)
264 {
265  VPxContext *ctx = avctx->priv_data;
266 
267  vpx_codec_destroy(&ctx->encoder);
268  if (ctx->is_alpha)
269  vpx_codec_destroy(&ctx->encoder_alpha);
270  av_freep(&ctx->twopass_stats.buf);
271  av_freep(&avctx->stats_out);
273  return 0;
274 }
275 
276 #if CONFIG_LIBVPX_VP9_ENCODER
277 static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps,
278  struct vpx_codec_enc_cfg *enccfg, vpx_codec_flags_t *flags,
279  vpx_img_fmt_t *img_fmt)
280 {
281  VPxContext av_unused *ctx = avctx->priv_data;
282 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
283  enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
284 #endif
285  switch (avctx->pix_fmt) {
286  case AV_PIX_FMT_YUV420P:
287  case AV_PIX_FMT_YUVA420P:
288  enccfg->g_profile = 0;
289  *img_fmt = VPX_IMG_FMT_I420;
290  return 0;
291  case AV_PIX_FMT_YUV422P:
292  enccfg->g_profile = 1;
293  *img_fmt = VPX_IMG_FMT_I422;
294  return 0;
295 #if VPX_IMAGE_ABI_VERSION >= 3
296  case AV_PIX_FMT_YUV440P:
297  enccfg->g_profile = 1;
298  *img_fmt = VPX_IMG_FMT_I440;
299  return 0;
300  case AV_PIX_FMT_GBRP:
301  ctx->vpx_cs = VPX_CS_SRGB;
302 #endif
303  case AV_PIX_FMT_YUV444P:
304  enccfg->g_profile = 1;
305  *img_fmt = VPX_IMG_FMT_I444;
306  return 0;
307 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
310  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
311  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
312  avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
313  enccfg->g_profile = 2;
314  *img_fmt = VPX_IMG_FMT_I42016;
315  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
316  return 0;
317  }
318  break;
321  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
322  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
323  avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
324  enccfg->g_profile = 3;
325  *img_fmt = VPX_IMG_FMT_I42216;
326  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
327  return 0;
328  }
329  break;
330 #if VPX_IMAGE_ABI_VERSION >= 3
333  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
334  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
335  avctx->pix_fmt == AV_PIX_FMT_YUV440P10 ? 10 : 12;
336  enccfg->g_profile = 3;
337  *img_fmt = VPX_IMG_FMT_I44016;
338  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
339  return 0;
340  }
341  break;
342  case AV_PIX_FMT_GBRP10:
343  case AV_PIX_FMT_GBRP12:
344  ctx->vpx_cs = VPX_CS_SRGB;
345 #endif
348  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
349  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
350  avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ||
351  avctx->pix_fmt == AV_PIX_FMT_GBRP10 ? 10 : 12;
352  enccfg->g_profile = 3;
353  *img_fmt = VPX_IMG_FMT_I44416;
354  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
355  return 0;
356  }
357  break;
358 #endif
359  default:
360  break;
361  }
362  av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
363  return AVERROR_INVALIDDATA;
364 }
365 
366 #if VPX_ENCODER_ABI_VERSION > 8
367 static void set_colorspace(AVCodecContext *avctx)
368 {
369  enum vpx_color_space vpx_cs;
370  VPxContext *ctx = avctx->priv_data;
371 
372  if (ctx->vpx_cs) {
373  vpx_cs = ctx->vpx_cs;
374  } else {
375  switch (avctx->colorspace) {
376  case AVCOL_SPC_RGB: vpx_cs = VPX_CS_SRGB; break;
377  case AVCOL_SPC_BT709: vpx_cs = VPX_CS_BT_709; break;
378  case AVCOL_SPC_UNSPECIFIED: vpx_cs = VPX_CS_UNKNOWN; break;
379  case AVCOL_SPC_RESERVED: vpx_cs = VPX_CS_RESERVED; break;
380  case AVCOL_SPC_BT470BG: vpx_cs = VPX_CS_BT_601; break;
381  case AVCOL_SPC_SMPTE170M: vpx_cs = VPX_CS_SMPTE_170; break;
382  case AVCOL_SPC_SMPTE240M: vpx_cs = VPX_CS_SMPTE_240; break;
383  case AVCOL_SPC_BT2020_NCL: vpx_cs = VPX_CS_BT_2020; break;
384  default:
385  av_log(avctx, AV_LOG_WARNING, "Unsupported colorspace (%d)\n",
386  avctx->colorspace);
387  return;
388  }
389  }
390  codecctl_int(avctx, VP9E_SET_COLOR_SPACE, vpx_cs);
391 }
392 #endif
393 
394 #if VPX_ENCODER_ABI_VERSION >= 11
395 static void set_color_range(AVCodecContext *avctx)
396 {
397  enum vpx_color_range vpx_cr;
398  switch (avctx->color_range) {
400  case AVCOL_RANGE_MPEG: vpx_cr = VPX_CR_STUDIO_RANGE; break;
401  case AVCOL_RANGE_JPEG: vpx_cr = VPX_CR_FULL_RANGE; break;
402  default:
403  av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
404  avctx->color_range);
405  return;
406  }
407 
408  codecctl_int(avctx, VP9E_SET_COLOR_RANGE, vpx_cr);
409 }
410 #endif
411 #endif
412 
413 static av_cold int vpx_init(AVCodecContext *avctx,
414  const struct vpx_codec_iface *iface)
415 {
416  VPxContext *ctx = avctx->priv_data;
417  struct vpx_codec_enc_cfg enccfg = { 0 };
418  struct vpx_codec_enc_cfg enccfg_alpha;
419  vpx_codec_flags_t flags = (avctx->flags & AV_CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0;
420  AVCPBProperties *cpb_props;
421  int res;
422  vpx_img_fmt_t img_fmt = VPX_IMG_FMT_I420;
423 #if CONFIG_LIBVPX_VP9_ENCODER
424  vpx_codec_caps_t codec_caps = vpx_codec_get_caps(iface);
425 #endif
426 
427  av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
428  av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
429 
430  if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P)
431  ctx->is_alpha = 1;
432 
433  if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
434  av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
435  vpx_codec_err_to_string(res));
436  return AVERROR(EINVAL);
437  }
438 
439 #if CONFIG_LIBVPX_VP9_ENCODER
440  if (avctx->codec_id == AV_CODEC_ID_VP9) {
441  if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
442  return AVERROR(EINVAL);
443  }
444 #endif
445 
446  if(!avctx->bit_rate)
447  if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
448  av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
449  return AVERROR(EINVAL);
450  }
451 
452  dump_enc_cfg(avctx, &enccfg);
453 
454  enccfg.g_w = avctx->width;
455  enccfg.g_h = avctx->height;
456  enccfg.g_timebase.num = avctx->time_base.num;
457  enccfg.g_timebase.den = avctx->time_base.den;
458  enccfg.g_threads = avctx->thread_count;
459  enccfg.g_lag_in_frames= ctx->lag_in_frames;
460 
461  if (avctx->flags & AV_CODEC_FLAG_PASS1)
462  enccfg.g_pass = VPX_RC_FIRST_PASS;
463  else if (avctx->flags & AV_CODEC_FLAG_PASS2)
464  enccfg.g_pass = VPX_RC_LAST_PASS;
465  else
466  enccfg.g_pass = VPX_RC_ONE_PASS;
467 
468  if (avctx->rc_min_rate == avctx->rc_max_rate &&
469  avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
470  enccfg.rc_end_usage = VPX_CBR;
471  } else if (ctx->crf >= 0) {
472  enccfg.rc_end_usage = VPX_CQ;
473 #if CONFIG_LIBVPX_VP9_ENCODER
474  if (!avctx->bit_rate && avctx->codec_id == AV_CODEC_ID_VP9)
475  enccfg.rc_end_usage = VPX_Q;
476 #endif
477  }
478 
479  if (avctx->bit_rate) {
480  enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
482 #if CONFIG_LIBVPX_VP9_ENCODER
483  } else if (enccfg.rc_end_usage == VPX_Q) {
484 #endif
485  } else {
486  if (enccfg.rc_end_usage == VPX_CQ) {
487  enccfg.rc_target_bitrate = 1000000;
488  } else {
489  avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
490  av_log(avctx, AV_LOG_WARNING,
491  "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
492  enccfg.rc_target_bitrate);
493  }
494  }
495 
496  if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->lossless == 1) {
497  enccfg.rc_min_quantizer =
498  enccfg.rc_max_quantizer = 0;
499  } else {
500  if (avctx->qmin >= 0)
501  enccfg.rc_min_quantizer = avctx->qmin;
502  if (avctx->qmax >= 0)
503  enccfg.rc_max_quantizer = avctx->qmax;
504  }
505 
506  if (enccfg.rc_end_usage == VPX_CQ
507 #if CONFIG_LIBVPX_VP9_ENCODER
508  || enccfg.rc_end_usage == VPX_Q
509 #endif
510  ) {
511  if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
512  av_log(avctx, AV_LOG_ERROR,
513  "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
514  ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
515  return AVERROR(EINVAL);
516  }
517  }
518 
519 #if FF_API_PRIVATE_OPT
521  if (avctx->frame_skip_threshold)
522  ctx->drop_threshold = avctx->frame_skip_threshold;
524 #endif
525  enccfg.rc_dropframe_thresh = ctx->drop_threshold;
526 
527  //0-100 (0 => CBR, 100 => VBR)
528  enccfg.rc_2pass_vbr_bias_pct = lrint(avctx->qcompress * 100);
529  if (avctx->bit_rate)
530  enccfg.rc_2pass_vbr_minsection_pct =
531  avctx->rc_min_rate * 100LL / avctx->bit_rate;
532  if (avctx->rc_max_rate)
533  enccfg.rc_2pass_vbr_maxsection_pct =
534  avctx->rc_max_rate * 100LL / avctx->bit_rate;
535 
536  if (avctx->rc_buffer_size)
537  enccfg.rc_buf_sz =
538  avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
539  if (avctx->rc_initial_buffer_occupancy)
540  enccfg.rc_buf_initial_sz =
541  avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
542  enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
543 #if FF_API_MPV_OPT
545  if (avctx->rc_buffer_aggressivity != 1.0) {
546  av_log(avctx, AV_LOG_WARNING, "The rc_buffer_aggressivity option is "
547  "deprecated, use the undershoot-pct private option instead.\n");
548  enccfg.rc_undershoot_pct = lrint(avctx->rc_buffer_aggressivity * 100);
549  }
551 #endif
552  if (ctx->rc_undershoot_pct >= 0)
553  enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
554  if (ctx->rc_overshoot_pct >= 0)
555  enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
556 
557  //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
558  if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
559  enccfg.kf_min_dist = avctx->keyint_min;
560  if (avctx->gop_size >= 0)
561  enccfg.kf_max_dist = avctx->gop_size;
562 
563  if (enccfg.g_pass == VPX_RC_FIRST_PASS)
564  enccfg.g_lag_in_frames = 0;
565  else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
566  int decode_size, ret;
567 
568  if (!avctx->stats_in) {
569  av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
570  return AVERROR_INVALIDDATA;
571  }
572 
573  ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
574  ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
575  if (ret < 0) {
576  av_log(avctx, AV_LOG_ERROR,
577  "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
578  ctx->twopass_stats.sz);
579  ctx->twopass_stats.sz = 0;
580  return ret;
581  }
582  decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
583  ctx->twopass_stats.sz);
584  if (decode_size < 0) {
585  av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
586  return AVERROR_INVALIDDATA;
587  }
588 
589  ctx->twopass_stats.sz = decode_size;
590  enccfg.rc_twopass_stats_in = ctx->twopass_stats;
591  }
592 
593  /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
594  complexity playback on low powered devices at the expense of encode
595  quality. */
596  if (avctx->profile != FF_PROFILE_UNKNOWN)
597  enccfg.g_profile = avctx->profile;
598 
599  enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT;
600 
601  dump_enc_cfg(avctx, &enccfg);
602  /* Construct Encoder Context */
603  res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
604  if (res != VPX_CODEC_OK) {
605  log_encoder_error(avctx, "Failed to initialize encoder");
606  return AVERROR(EINVAL);
607  }
608 
609  if (ctx->is_alpha) {
610  enccfg_alpha = enccfg;
611  res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags);
612  if (res != VPX_CODEC_OK) {
613  log_encoder_error(avctx, "Failed to initialize alpha encoder");
614  return AVERROR(EINVAL);
615  }
616  }
617 
618  //codec control failures are currently treated only as warnings
619  av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
620  codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
621  if (ctx->flags & VP8F_AUTO_ALT_REF)
622  ctx->auto_alt_ref = 1;
623  if (ctx->auto_alt_ref >= 0)
624  codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
625  if (ctx->arnr_max_frames >= 0)
626  codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
627  if (ctx->arnr_strength >= 0)
628  codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
629  if (ctx->arnr_type >= 0)
630  codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
631  if (ctx->tune >= 0)
632  codecctl_int(avctx, VP8E_SET_TUNING, ctx->tune);
633 
634  if (ctx->auto_alt_ref && ctx->is_alpha && avctx->codec_id == AV_CODEC_ID_VP8) {
635  av_log(avctx, AV_LOG_ERROR, "Transparency encoding with auto_alt_ref does not work\n");
636  return AVERROR(EINVAL);
637  }
638 
639  if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
640 #if FF_API_PRIVATE_OPT
642  if (avctx->noise_reduction)
643  ctx->noise_sensitivity = avctx->noise_reduction;
645 #endif
646  codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, ctx->noise_sensitivity);
647  codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
648  }
649 #if FF_API_MPV_OPT
651  if (avctx->mb_threshold) {
652  av_log(avctx, AV_LOG_WARNING, "The mb_threshold option is deprecated, "
653  "use the static-thresh private option instead.\n");
654  ctx->static_thresh = avctx->mb_threshold;
655  }
657 #endif
658  codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
659  if (ctx->crf >= 0)
660  codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
661  if (ctx->max_intra_rate >= 0)
662  codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
663 
664 #if CONFIG_LIBVPX_VP9_ENCODER
665  if (avctx->codec_id == AV_CODEC_ID_VP9) {
666  if (ctx->lossless >= 0)
667  codecctl_int(avctx, VP9E_SET_LOSSLESS, ctx->lossless);
668  if (ctx->tile_columns >= 0)
669  codecctl_int(avctx, VP9E_SET_TILE_COLUMNS, ctx->tile_columns);
670  if (ctx->tile_rows >= 0)
671  codecctl_int(avctx, VP9E_SET_TILE_ROWS, ctx->tile_rows);
672  if (ctx->frame_parallel >= 0)
673  codecctl_int(avctx, VP9E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
674  if (ctx->aq_mode >= 0)
675  codecctl_int(avctx, VP9E_SET_AQ_MODE, ctx->aq_mode);
676 #if VPX_ENCODER_ABI_VERSION > 8
677  set_colorspace(avctx);
678 #endif
679 #if VPX_ENCODER_ABI_VERSION >= 11
680  set_color_range(avctx);
681 #endif
682  }
683 #endif
684 
685  av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
686 
687  //provide dummy value to initialize wrapper, values will be updated each _encode()
688  vpx_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
689  (unsigned char*)1);
690 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
691  if (avctx->codec_id == AV_CODEC_ID_VP9 && (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH))
692  ctx->rawimg.bit_depth = enccfg.g_bit_depth;
693 #endif
694 
695  if (ctx->is_alpha)
696  vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
697  (unsigned char*)1);
698 
699  cpb_props = ff_add_cpb_side_data(avctx);
700  if (!cpb_props)
701  return AVERROR(ENOMEM);
702 
703  if (enccfg.rc_end_usage == VPX_CBR ||
704  enccfg.g_pass != VPX_RC_ONE_PASS) {
705  cpb_props->max_bitrate = avctx->rc_max_rate;
706  cpb_props->min_bitrate = avctx->rc_min_rate;
707  cpb_props->avg_bitrate = avctx->bit_rate;
708  }
709  cpb_props->buffer_size = avctx->rc_buffer_size;
710 
711  return 0;
712 }
713 
714 static inline void cx_pktcpy(struct FrameListData *dst,
715  const struct vpx_codec_cx_pkt *src,
716  const struct vpx_codec_cx_pkt *src_alpha,
717  VPxContext *ctx)
718 {
719  dst->pts = src->data.frame.pts;
720  dst->duration = src->data.frame.duration;
721  dst->flags = src->data.frame.flags;
722  dst->sz = src->data.frame.sz;
723  dst->buf = src->data.frame.buf;
724  dst->have_sse = 0;
725  /* For alt-ref frame, don't store PSNR or increment frame_number */
726  if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) {
727  dst->frame_number = ++ctx->frame_number;
728  dst->have_sse = ctx->have_sse;
729  if (ctx->have_sse) {
730  /* associate last-seen SSE to the frame. */
731  /* Transfers ownership from ctx to dst. */
732  /* WARNING! This makes the assumption that PSNR_PKT comes
733  just before the frame it refers to! */
734  memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
735  ctx->have_sse = 0;
736  }
737  } else {
738  dst->frame_number = -1; /* sanity marker */
739  }
740  if (src_alpha) {
741  dst->buf_alpha = src_alpha->data.frame.buf;
742  dst->sz_alpha = src_alpha->data.frame.sz;
743  } else {
744  dst->buf_alpha = NULL;
745  dst->sz_alpha = 0;
746  }
747 }
748 
749 /**
750  * Store coded frame information in format suitable for return from encode2().
751  *
752  * Write information from @a cx_frame to @a pkt
753  * @return packet data size on success
754  * @return a negative AVERROR on error
755  */
756 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
757  AVPacket *pkt)
758 {
759  int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
760  uint8_t *side_data;
761  if (ret >= 0) {
762  int pict_type;
763  memcpy(pkt->data, cx_frame->buf, pkt->size);
764  pkt->pts = pkt->dts = cx_frame->pts;
765 #if FF_API_CODED_FRAME
767  avctx->coded_frame->pts = cx_frame->pts;
768  avctx->coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
770 #endif
771 
772  if (!!(cx_frame->flags & VPX_FRAME_IS_KEY)) {
773  pict_type = AV_PICTURE_TYPE_I;
774 #if FF_API_CODED_FRAME
776  avctx->coded_frame->pict_type = pict_type;
778 #endif
779  pkt->flags |= AV_PKT_FLAG_KEY;
780  } else {
781  pict_type = AV_PICTURE_TYPE_P;
782 #if FF_API_CODED_FRAME
784  avctx->coded_frame->pict_type = pict_type;
786 #endif
787  }
788 
789  ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
790  cx_frame->have_sse ? 3 : 0, pict_type);
791 
792  if (cx_frame->have_sse) {
793  int i;
794  /* Beware of the Y/U/V/all order! */
795 #if FF_API_CODED_FRAME
797  avctx->coded_frame->error[0] = cx_frame->sse[1];
798  avctx->coded_frame->error[1] = cx_frame->sse[2];
799  avctx->coded_frame->error[2] = cx_frame->sse[3];
800  avctx->coded_frame->error[3] = 0; // alpha
802 #endif
803  for (i = 0; i < 3; ++i) {
804  avctx->error[i] += cx_frame->sse[i + 1];
805  }
806  cx_frame->have_sse = 0;
807  }
808  if (cx_frame->sz_alpha > 0) {
809  side_data = av_packet_new_side_data(pkt,
811  cx_frame->sz_alpha + 8);
812  if(!side_data) {
813  av_packet_unref(pkt);
814  av_free(pkt);
815  return AVERROR(ENOMEM);
816  }
817  AV_WB64(side_data, 1);
818  memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha);
819  }
820  } else {
821  return ret;
822  }
823  return pkt->size;
824 }
825 
826 /**
827  * Queue multiple output frames from the encoder, returning the front-most.
828  * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
829  * the frame queue. Return the head frame if available.
830  * @return Stored frame size
831  * @return AVERROR(EINVAL) on output size error
832  * @return AVERROR(ENOMEM) on coded frame queue data allocation error
833  */
834 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
835 {
836  VPxContext *ctx = avctx->priv_data;
837  const struct vpx_codec_cx_pkt *pkt;
838  const struct vpx_codec_cx_pkt *pkt_alpha = NULL;
839  const void *iter = NULL;
840  const void *iter_alpha = NULL;
841  int size = 0;
842 
843  if (ctx->coded_frame_list) {
844  struct FrameListData *cx_frame = ctx->coded_frame_list;
845  /* return the leading frame if we've already begun queueing */
846  size = storeframe(avctx, cx_frame, pkt_out);
847  if (size < 0)
848  return size;
849  ctx->coded_frame_list = cx_frame->next;
850  free_coded_frame(cx_frame);
851  }
852 
853  /* consume all available output from the encoder before returning. buffers
854  are only good through the next vpx_codec call */
855  while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
856  (!ctx->is_alpha ||
857  (ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) {
858  switch (pkt->kind) {
859  case VPX_CODEC_CX_FRAME_PKT:
860  if (!size) {
861  struct FrameListData cx_frame;
862 
863  /* avoid storing the frame when the list is empty and we haven't yet
864  provided a frame for output */
866  cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx);
867  size = storeframe(avctx, &cx_frame, pkt_out);
868  if (size < 0)
869  return size;
870  } else {
871  struct FrameListData *cx_frame =
872  av_malloc(sizeof(struct FrameListData));
873 
874  if (!cx_frame) {
875  av_log(avctx, AV_LOG_ERROR,
876  "Frame queue element alloc failed\n");
877  return AVERROR(ENOMEM);
878  }
879  cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx);
880  cx_frame->buf = av_malloc(cx_frame->sz);
881 
882  if (!cx_frame->buf) {
883  av_log(avctx, AV_LOG_ERROR,
884  "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
885  cx_frame->sz);
886  av_freep(&cx_frame);
887  return AVERROR(ENOMEM);
888  }
889  memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
890  if (ctx->is_alpha) {
891  cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha);
892  if (!cx_frame->buf_alpha) {
893  av_log(avctx, AV_LOG_ERROR,
894  "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
895  cx_frame->sz_alpha);
896  av_free(cx_frame);
897  return AVERROR(ENOMEM);
898  }
899  memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz);
900  }
901  coded_frame_add(&ctx->coded_frame_list, cx_frame);
902  }
903  break;
904  case VPX_CODEC_STATS_PKT: {
905  struct vpx_fixed_buf *stats = &ctx->twopass_stats;
906  int err;
907  if ((err = av_reallocp(&stats->buf,
908  stats->sz +
909  pkt->data.twopass_stats.sz)) < 0) {
910  stats->sz = 0;
911  av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
912  return err;
913  }
914  memcpy((uint8_t*)stats->buf + stats->sz,
915  pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
916  stats->sz += pkt->data.twopass_stats.sz;
917  break;
918  }
919  case VPX_CODEC_PSNR_PKT:
920  av_assert0(!ctx->have_sse);
921  ctx->sse[0] = pkt->data.psnr.sse[0];
922  ctx->sse[1] = pkt->data.psnr.sse[1];
923  ctx->sse[2] = pkt->data.psnr.sse[2];
924  ctx->sse[3] = pkt->data.psnr.sse[3];
925  ctx->have_sse = 1;
926  break;
927  case VPX_CODEC_CUSTOM_PKT:
928  //ignore unsupported/unrecognized packet types
929  break;
930  }
931  }
932 
933  return size;
934 }
935 
936 static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt,
937  const AVFrame *frame, int *got_packet)
938 {
939  VPxContext *ctx = avctx->priv_data;
940  struct vpx_image *rawimg = NULL;
941  struct vpx_image *rawimg_alpha = NULL;
942  int64_t timestamp = 0;
943  int res, coded_size;
944  vpx_enc_frame_flags_t flags = 0;
945 
946  if (frame) {
947  rawimg = &ctx->rawimg;
948  rawimg->planes[VPX_PLANE_Y] = frame->data[0];
949  rawimg->planes[VPX_PLANE_U] = frame->data[1];
950  rawimg->planes[VPX_PLANE_V] = frame->data[2];
951  rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
952  rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
953  rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
954  if (ctx->is_alpha) {
955  uint8_t *u_plane, *v_plane;
956  rawimg_alpha = &ctx->rawimg_alpha;
957  rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3];
958  u_plane = av_malloc(frame->linesize[1] * frame->height);
959  v_plane = av_malloc(frame->linesize[2] * frame->height);
960  if (!u_plane || !v_plane) {
961  av_free(u_plane);
962  av_free(v_plane);
963  return AVERROR(ENOMEM);
964  }
965  memset(u_plane, 0x80, frame->linesize[1] * frame->height);
966  rawimg_alpha->planes[VPX_PLANE_U] = u_plane;
967  memset(v_plane, 0x80, frame->linesize[2] * frame->height);
968  rawimg_alpha->planes[VPX_PLANE_V] = v_plane;
969  rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[0];
970  rawimg_alpha->stride[VPX_PLANE_U] = frame->linesize[1];
971  rawimg_alpha->stride[VPX_PLANE_V] = frame->linesize[2];
972  }
973  timestamp = frame->pts;
974  if (frame->pict_type == AV_PICTURE_TYPE_I)
975  flags |= VPX_EFLAG_FORCE_KF;
976  }
977 
978  res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
979  avctx->ticks_per_frame, flags, ctx->deadline);
980  if (res != VPX_CODEC_OK) {
981  log_encoder_error(avctx, "Error encoding frame");
982  return AVERROR_INVALIDDATA;
983  }
984 
985  if (ctx->is_alpha) {
986  res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp,
987  avctx->ticks_per_frame, flags, ctx->deadline);
988  if (res != VPX_CODEC_OK) {
989  log_encoder_error(avctx, "Error encoding alpha frame");
990  return AVERROR_INVALIDDATA;
991  }
992  }
993 
994  coded_size = queue_frames(avctx, pkt);
995 
996  if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
997  unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
998 
999  avctx->stats_out = av_malloc(b64_size);
1000  if (!avctx->stats_out) {
1001  av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
1002  b64_size);
1003  return AVERROR(ENOMEM);
1004  }
1005  av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
1006  ctx->twopass_stats.sz);
1007  }
1008 
1009  if (rawimg_alpha) {
1010  av_freep(&rawimg_alpha->planes[VPX_PLANE_U]);
1011  av_freep(&rawimg_alpha->planes[VPX_PLANE_V]);
1012  }
1013 
1014  *got_packet = !!coded_size;
1015  return 0;
1016 }
1017 
1018 #define OFFSET(x) offsetof(VPxContext, x)
1019 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1020 
1021 #ifndef VPX_ERROR_RESILIENT_DEFAULT
1022 #define VPX_ERROR_RESILIENT_DEFAULT 1
1023 #define VPX_ERROR_RESILIENT_PARTITIONS 2
1024 #endif
1025 
1026 #define COMMON_OPTIONS \
1027  { "auto-alt-ref", "Enable use of alternate reference " \
1028  "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, \
1029  { "lag-in-frames", "Number of frames to look ahead for " \
1030  "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1031  { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1032  { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1033  { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"}, \
1034  { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" }, \
1035  { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" }, \
1036  { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" }, \
1037  { "tune", "Tune the encoding to a specific scenario", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "tune"}, \
1038  { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_PSNR}, 0, 0, VE, "tune"}, \
1039  { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_SSIM}, 0, 0, VE, "tune"}, \
1040  { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1041  { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, \
1042  { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, \
1043  { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, \
1044  { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, \
1045  { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1046  { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, \
1047  { "partitions", "The frame partitions are independently decodable " \
1048  "by the bool decoder, meaning that partitions can be decoded even " \
1049  "though earlier partitions have been lost. Note that intra predicition" \
1050  " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
1051  { "crf", "Select the quality for constant quality mode", offsetof(VPxContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
1052  { "static-thresh", "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
1053  { "drop-threshold", "Frame drop threshold", offsetof(VPxContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE }, \
1054  { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE}, \
1055  { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, VE }, \
1056  { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE }, \
1057 
1058 #define LEGACY_OPTIONS \
1059  {"speed", "", offsetof(VPxContext, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
1060  {"quality", "", offsetof(VPxContext, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1061  {"vp8flags", "", offsetof(VPxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, \
1062  {"error_resilient", "enable error resilience", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, \
1063  {"altref", "enable use of alternate reference frames (VP8/2-pass only)", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_AUTO_ALT_REF}, INT_MIN, INT_MAX, VE, "flags"}, \
1064  {"arnr_max_frames", "altref noise reduction max frame count", offsetof(VPxContext, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, \
1065  {"arnr_strength", "altref noise reduction filter strength", offsetof(VPxContext, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
1066  {"arnr_type", "altref noise reduction filter type", offsetof(VPxContext, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
1067  {"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VPxContext, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE}, \
1068 
1069 #if CONFIG_LIBVPX_VP8_ENCODER
1070 static const AVOption vp8_options[] = {
1072  { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
1074  { NULL }
1075 };
1076 #endif
1077 
1078 #if CONFIG_LIBVPX_VP9_ENCODER
1079 static const AVOption vp9_options[] = {
1081  { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
1082  { "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
1083  { "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1084  { "tile-rows", "Number of tile rows to use, log2", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1085  { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL,{.i64 = -1}, -1, 1, VE},
1086  { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 3, VE, "aq_mode"},
1087  { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode" },
1088  { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode" },
1089  { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode" },
1090  { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode" },
1092  { NULL }
1093 };
1094 #endif
1095 
1096 #undef COMMON_OPTIONS
1097 #undef LEGACY_OPTIONS
1098 
1099 static const AVCodecDefault defaults[] = {
1100  { "qmin", "-1" },
1101  { "qmax", "-1" },
1102  { "g", "-1" },
1103  { "keyint_min", "-1" },
1104  { NULL },
1105 };
1106 
1107 #if CONFIG_LIBVPX_VP8_ENCODER
1108 static av_cold int vp8_init(AVCodecContext *avctx)
1109 {
1110  return vpx_init(avctx, vpx_codec_vp8_cx());
1111 }
1112 
1113 static const AVClass class_vp8 = {
1114  .class_name = "libvpx-vp8 encoder",
1115  .item_name = av_default_item_name,
1116  .option = vp8_options,
1117  .version = LIBAVUTIL_VERSION_INT,
1118 };
1119 
1120 AVCodec ff_libvpx_vp8_encoder = {
1121  .name = "libvpx",
1122  .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
1123  .type = AVMEDIA_TYPE_VIDEO,
1124  .id = AV_CODEC_ID_VP8,
1125  .priv_data_size = sizeof(VPxContext),
1126  .init = vp8_init,
1127  .encode2 = vpx_encode,
1128  .close = vpx_free,
1131  .priv_class = &class_vp8,
1132  .defaults = defaults,
1133 };
1134 #endif /* CONFIG_LIBVPX_VP8_ENCODER */
1135 
1136 #if CONFIG_LIBVPX_VP9_ENCODER
1137 static av_cold int vp9_init(AVCodecContext *avctx)
1138 {
1139  return vpx_init(avctx, vpx_codec_vp9_cx());
1140 }
1141 
1142 static const AVClass class_vp9 = {
1143  .class_name = "libvpx-vp9 encoder",
1144  .item_name = av_default_item_name,
1145  .option = vp9_options,
1146  .version = LIBAVUTIL_VERSION_INT,
1147 };
1148 
1149 AVCodec ff_libvpx_vp9_encoder = {
1150  .name = "libvpx-vp9",
1151  .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
1152  .type = AVMEDIA_TYPE_VIDEO,
1153  .id = AV_CODEC_ID_VP9,
1154  .priv_data_size = sizeof(VPxContext),
1155  .init = vp9_init,
1156  .encode2 = vpx_encode,
1157  .close = vpx_free,
1160  .priv_class = &class_vp9,
1161  .defaults = defaults,
1162  .init_static_data = ff_vp9_init_static,
1163 };
1164 #endif /* CONFIG_LIBVPX_VP9_ENCODER */
uint8_t is_alpha
Definition: libvpxenc.c:69
uint64_t sse[4]
Definition: libvpxenc.c:57
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:438
struct vpx_image rawimg
Definition: libvpxenc.c:66
int arnr_max_frames
Definition: libvpxenc.c:87
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:771
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:345
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
static av_cold int vpx_free(AVCodecContext *avctx)
Definition: libvpxenc.c:263
AVOption.
Definition: opt.h:245
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:646
uint64_t error[AV_NUM_DATA_POINTERS]
error
Definition: avcodec.h:3014
#define OFFSET(x)
Definition: libvpxenc.c:1018
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1740
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
int rc_overshoot_pct
Definition: libvpxenc.c:99
const char * desc
Definition: nvenc.c:101
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
struct FrameListData * coded_frame_list
Definition: libvpxenc.c:75
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1315
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:442
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2714
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2412
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:180
int num
Numerator.
Definition: rational.h:59
int size
Definition: avcodec.h:1601
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:359
int av_log2(unsigned v)
Definition: intmath.c:26
int aq_mode
Definition: libvpxenc.c:106
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:443
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1903
size_t sz
length of compressed data
Definition: libvpxenc.c:49
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride)
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:347
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
Definition: avcodec.h:2852
static void cx_pktcpy(struct FrameListData *dst, const struct vpx_codec_cx_pkt *src, const struct vpx_codec_cx_pkt *src_alpha, VPxContext *ctx)
Definition: libvpxenc.c:714
int frame_parallel
Definition: libvpxenc.c:105
int static_thresh
Definition: libvpxenc.c:96
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:1033
int profile
profile
Definition: avcodec.h:3180
AVCodec.
Definition: avcodec.h:3589
struct vpx_fixed_buf twopass_stats
Definition: libvpxenc.c:70
int error_resilient
Definition: libvpxenc.c:94
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:437
int tile_rows
Definition: libvpxenc.c:104
uint64_t frame_number
Definition: libvpxenc.c:74
int min_bitrate
Minimum bitrate of the stream, in bits per second.
Definition: avcodec.h:1320
functionally identical to above
Definition: pixfmt.h:444
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1812
#define VP8F_AUTO_ALT_REF
Enable automatic alternate reference frame generation.
Definition: libvpxenc.c:83
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_WB64(p, v)
Definition: intreadwrite.h:433
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition: avcodec.h:983
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:102
attribute_deprecated float rc_buffer_aggressivity
Definition: avcodec.h:2689
uint8_t
#define av_cold
Definition: attributes.h:82
static av_cold int codecctl_int(AVCodecContext *avctx, enum vp8e_enc_control_id id, int val)
Definition: libvpxenc.c:242
#define av_malloc(s)
int64_t pts
time stamp to show frame (in timebase units)
Definition: libvpxenc.c:52
AVOptions.
static void coded_frame_add(void *list, struct FrameListData *cx_frame)
Definition: libvpxenc.c:213
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:268
static AVFrame * frame
int auto_alt_ref
Definition: libvpxenc.c:85
uint8_t * data
Definition: avcodec.h:1600
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int vpx_cs
Definition: libvpxenc.c:109
uint64_t sse[4]
Definition: libvpxenc.c:72
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1331
ptrdiff_t size
Definition: opengl_enc.c:101
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:348
char * stats_out
pass1 encoding statistics output buffer
Definition: avcodec.h:2844
attribute_deprecated uint64_t error[AV_NUM_DATA_POINTERS]
Definition: frame.h:306
attribute_deprecated int frame_skip_threshold
Definition: avcodec.h:2754
#define av_log(a,...)
int noise_sensitivity
Definition: libvpxenc.c:108
#define LEGACY_OPTIONS
Definition: libvpxenc.c:1058
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1632
static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libvpxenc.c:936
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int arnr_type
Definition: libvpxenc.c:89
int tune
Definition: libvpxenc.c:91
static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame, AVPacket *pkt)
Store coded frame information in format suitable for return from encode2().
Definition: libvpxenc.c:756
av_default_item_name
#define AVERROR(e)
Definition: error.h:43
#define COMMON_OPTIONS
Definition: libvpxenc.c:1026
int qmax
maximum quantizer
Definition: avcodec.h:2625
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1770
Round to nearest and halfway cases away from zero.
Definition: mathematics.h:84
simple assert() macros that are a bit more flexible than ISO C assert().
const char * name
Name of the codec implementation.
Definition: avcodec.h:3596
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:346
char * av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size)
Encode data to base64 and null-terminate.
Definition: base64.c:138
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1606
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2652
int64_t rc_min_rate
minimum bitrate
Definition: avcodec.h:2682
common internal API header
int lossless
Definition: libvpxenc.c:102
static av_cold void dump_enc_cfg(AVCodecContext *avctx, const struct vpx_codec_enc_cfg *cfg)
Definition: libvpxenc.c:151
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:258
struct vpx_image rawimg_alpha
Definition: libvpxenc.c:68
#define AV_BASE64_SIZE(x)
Calculate the output size needed to base64-encode x bytes to a null-terminated string.
Definition: base64.h:66
#define width
int width
picture width / height.
Definition: avcodec.h:1862
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3181
ITU-R BT2020 non-constant luminance system.
Definition: pixfmt.h:446
attribute_deprecated int noise_reduction
Definition: avcodec.h:2264
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:864
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:848
int deadline
Definition: libvpxenc.c:71
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1821
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
Definition: libvpxenc.c:140
attribute_deprecated int mb_threshold
Definition: avcodec.h:2278
#define src
Definition: vp9dsp.c:530
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition: mathematics.c:58
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:3106
struct FrameListData * next
Definition: libvpxenc.c:60
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:459
#define VP8F_ERROR_RESILIENT
Enable measures appropriate for streaming over lossy links.
Definition: libvpxenc.c:82
int cpu_used
Definition: libvpxenc.c:77
static av_cold int vpx_init(AVCodecContext *avctx, const struct vpx_codec_iface *iface)
Definition: libvpxenc.c:413
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1310
static const AVCodecDefault defaults[]
Definition: libvpxenc.c:1099
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
int max_intra_rate
Definition: libvpxenc.c:97
#define VE
Definition: libvpxenc.c:1019
int av_reallocp(void *ptr, size_t size)
Allocate, reallocate, or free a block of memory through a pointer to a pointer.
Definition: mem.c:187
Libavcodec external API header.
enum AVCodecID codec_id
Definition: avcodec.h:1692
av_cold void ff_vp9_init_static(AVCodec *codec)
Definition: libvpx.c:72
int lag_in_frames
Definition: libvpxenc.c:93
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:215
static av_cold int vp9_init(AVFormatContext *ctx, int st_index, PayloadContext *data)
Definition: rtpdec_vp9.c:34
static int set_pix_fmt(AVCodecContext *avctx, struct vpx_image *img, int has_alpha_channel)
Definition: libvpxdec.c:70
main external API structure.
Definition: avcodec.h:1675
static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
Queue multiple output frames from the encoder, returning the front-most.
Definition: libvpxenc.c:834
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:567
int qmin
minimum quantizer
Definition: avcodec.h:2618
void * buf
Definition: avisynth_c.h:690
Data found in BlockAdditional element of matroska container.
Definition: avcodec.h:1507
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:343
Describe the class of an AVClass context structure.
Definition: log.h:67
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2405
uint32_t flags
flags for this frame
Definition: libvpxenc.c:56
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:349
#define snprintf
Definition: snprintf.h:34
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: utils.c:1695
static av_cold void free_coded_frame(struct FrameListData *cx_frame)
Definition: libvpxenc.c:223
uint64_t frame_number
Definition: libvpxenc.c:59
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:2610
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
void * buf
compressed data buffer
Definition: libvpxenc.c:48
size_t sz_alpha
Definition: libvpxenc.c:51
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:360
int have_sse
true if we have pending sse[]
Definition: libvpxenc.c:58
#define SIZE_SPECIFIER
Definition: internal.h:252
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:344
static int flags
Definition: cpu.c:47
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:350
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:198
uint8_t level
Definition: svq3.c:207
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:458
int flags
VP8 specific flags, see VP8F_* below.
Definition: libvpxenc.c:81
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1888
static const char *const ctlidstr[]
String mappings for enum vp8e_enc_control_id.
Definition: libvpxenc.c:113
struct vpx_codec_ctx encoder_alpha
Definition: libvpxenc.c:67
static av_cold int vp8_init(AVFormatContext *s, int st_index, PayloadContext *vp8)
Definition: rtpdec_vp8.c:263
static const AVProfile profiles[]
Definition: libfaac.c:216
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:80
common internal api header.
common internal and external API header
struct vpx_codec_ctx encoder
Definition: libvpxenc.c:65
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:3097
int den
Denominator.
Definition: rational.h:60
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:4019
static av_cold void free_frame_list(struct FrameListData *list)
Definition: libvpxenc.c:231
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:852
void * buf_alpha
Definition: libvpxenc.c:50
int slices
Number of slices.
Definition: avcodec.h:2428
void * priv_data
Definition: avcodec.h:1717
#define av_free(p)
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:81
Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
Definition: libvpxenc.c:47
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1325
int arnr_strength
Definition: libvpxenc.c:88
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:253
unsigned long duration
duration to show frame (in timebase units)
Definition: libvpxenc.c:54
int av_base64_decode(uint8_t *out, const char *in_str, int out_size)
Decode a base64-encoded string.
Definition: base64.c:79
#define lrint
Definition: tablegen.h:53
static void stats(const struct CachedBuf *in, int n_in, unsigned *_max, unsigned *_sum)
int drop_threshold
Definition: libvpxenc.c:107
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1599
int have_sse
true if we have pending sse[]
Definition: libvpxenc.c:73
int height
Definition: frame.h:236
#define av_freep(p)
int rc_undershoot_pct
Definition: libvpxenc.c:98
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:100
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
Definition: avpacket.c:317
const AVProfile ff_vp9_profiles[]
Definition: profiles.c:135
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
This structure stores compressed data.
Definition: avcodec.h:1577
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1593
Predicted.
Definition: avutil.h:269
#define av_unused
Definition: attributes.h:126
int tile_columns
Definition: libvpxenc.c:103
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2675
int keyint_min
minimum GOP size
Definition: avcodec.h:2349