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libvpxenc.c
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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 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 VP8EncoderContext {
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 } VP8Context;
110 
111 /** String mappings for enum vp8e_enc_control_id */
112 static const char *const ctlidstr[] = {
113  [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
114  [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
115  [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
116  [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
117  [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
118  [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
119  [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
120  [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
121  [VP8E_SET_TUNING] = "VP8E_SET_TUNING",
122  [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
123  [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
124 #if CONFIG_LIBVPX_VP9_ENCODER
125  [VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
126  [VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
127  [VP9E_SET_TILE_ROWS] = "VP9E_SET_TILE_ROWS",
128  [VP9E_SET_FRAME_PARALLEL_DECODING] = "VP9E_SET_FRAME_PARALLEL_DECODING",
129  [VP9E_SET_AQ_MODE] = "VP9E_SET_AQ_MODE",
130 #if VPX_ENCODER_ABI_VERSION > 8
131  [VP9E_SET_COLOR_SPACE] = "VP9E_SET_COLOR_SPACE",
132 #endif
133 #if VPX_ENCODER_ABI_VERSION >= 11
134  [VP9E_SET_COLOR_RANGE] = "VP9E_SET_COLOR_RANGE",
135 #endif
136 #endif
137 };
138 
139 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
140 {
141  VP8Context *ctx = avctx->priv_data;
142  const char *error = vpx_codec_error(&ctx->encoder);
143  const char *detail = vpx_codec_error_detail(&ctx->encoder);
144 
145  av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
146  if (detail)
147  av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
148 }
149 
151  const struct vpx_codec_enc_cfg *cfg)
152 {
153  int width = -30;
154  int level = AV_LOG_DEBUG;
155 
156  av_log(avctx, level, "vpx_codec_enc_cfg\n");
157  av_log(avctx, level, "generic settings\n"
158  " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
159 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
160  " %*s%u\n %*s%u\n"
161 #endif
162  " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
163  width, "g_usage:", cfg->g_usage,
164  width, "g_threads:", cfg->g_threads,
165  width, "g_profile:", cfg->g_profile,
166  width, "g_w:", cfg->g_w,
167  width, "g_h:", cfg->g_h,
168 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
169  width, "g_bit_depth:", cfg->g_bit_depth,
170  width, "g_input_bit_depth:", cfg->g_input_bit_depth,
171 #endif
172  width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
173  width, "g_error_resilient:", cfg->g_error_resilient,
174  width, "g_pass:", cfg->g_pass,
175  width, "g_lag_in_frames:", cfg->g_lag_in_frames);
176  av_log(avctx, level, "rate control settings\n"
177  " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
178  " %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
179  width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
180  width, "rc_resize_allowed:", cfg->rc_resize_allowed,
181  width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
182  width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
183  width, "rc_end_usage:", cfg->rc_end_usage,
184  width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
185  width, "rc_target_bitrate:", cfg->rc_target_bitrate);
186  av_log(avctx, level, "quantizer settings\n"
187  " %*s%u\n %*s%u\n",
188  width, "rc_min_quantizer:", cfg->rc_min_quantizer,
189  width, "rc_max_quantizer:", cfg->rc_max_quantizer);
190  av_log(avctx, level, "bitrate tolerance\n"
191  " %*s%u\n %*s%u\n",
192  width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
193  width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
194  av_log(avctx, level, "decoder buffer model\n"
195  " %*s%u\n %*s%u\n %*s%u\n",
196  width, "rc_buf_sz:", cfg->rc_buf_sz,
197  width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
198  width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
199  av_log(avctx, level, "2 pass rate control settings\n"
200  " %*s%u\n %*s%u\n %*s%u\n",
201  width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
202  width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
203  width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
204  av_log(avctx, level, "keyframing settings\n"
205  " %*s%d\n %*s%u\n %*s%u\n",
206  width, "kf_mode:", cfg->kf_mode,
207  width, "kf_min_dist:", cfg->kf_min_dist,
208  width, "kf_max_dist:", cfg->kf_max_dist);
209  av_log(avctx, level, "\n");
210 }
211 
212 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
213 {
214  struct FrameListData **p = list;
215 
216  while (*p)
217  p = &(*p)->next;
218  *p = cx_frame;
219  cx_frame->next = NULL;
220 }
221 
222 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
223 {
224  av_freep(&cx_frame->buf);
225  if (cx_frame->buf_alpha)
226  av_freep(&cx_frame->buf_alpha);
227  av_freep(&cx_frame);
228 }
229 
230 static av_cold void free_frame_list(struct FrameListData *list)
231 {
232  struct FrameListData *p = list;
233 
234  while (p) {
235  list = list->next;
236  free_coded_frame(p);
237  p = list;
238  }
239 }
240 
242  enum vp8e_enc_control_id id, int val)
243 {
244  VP8Context *ctx = avctx->priv_data;
245  char buf[80];
246  int width = -30;
247  int res;
248 
249  snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
250  av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
251 
252  res = vpx_codec_control(&ctx->encoder, id, val);
253  if (res != VPX_CODEC_OK) {
254  snprintf(buf, sizeof(buf), "Failed to set %s codec control",
255  ctlidstr[id]);
256  log_encoder_error(avctx, buf);
257  }
258 
259  return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
260 }
261 
262 static av_cold int vp8_free(AVCodecContext *avctx)
263 {
264  VP8Context *ctx = avctx->priv_data;
265 
266  vpx_codec_destroy(&ctx->encoder);
267  if (ctx->is_alpha)
268  vpx_codec_destroy(&ctx->encoder_alpha);
269  av_freep(&ctx->twopass_stats.buf);
270  av_freep(&avctx->stats_out);
272  return 0;
273 }
274 
275 #if CONFIG_LIBVPX_VP9_ENCODER
276 static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps,
277  struct vpx_codec_enc_cfg *enccfg, vpx_codec_flags_t *flags,
278  vpx_img_fmt_t *img_fmt)
279 {
280 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
281  enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
282 #endif
283  switch (avctx->pix_fmt) {
284  case AV_PIX_FMT_YUV420P:
285  enccfg->g_profile = 0;
286  *img_fmt = VPX_IMG_FMT_I420;
287  return 0;
288  case AV_PIX_FMT_YUV422P:
289  enccfg->g_profile = 1;
290  *img_fmt = VPX_IMG_FMT_I422;
291  return 0;
292 #if VPX_IMAGE_ABI_VERSION >= 3
293  case AV_PIX_FMT_YUV440P:
294  enccfg->g_profile = 1;
295  *img_fmt = VPX_IMG_FMT_I440;
296  return 0;
297 #endif
298  case AV_PIX_FMT_YUV444P:
299  enccfg->g_profile = 1;
300  *img_fmt = VPX_IMG_FMT_I444;
301  return 0;
302 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
305  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
306  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
307  avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE ? 10 : 12;
308  enccfg->g_profile = 2;
309  *img_fmt = VPX_IMG_FMT_I42016;
310  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
311  return 0;
312  }
313  break;
316  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
317  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
318  avctx->pix_fmt == AV_PIX_FMT_YUV422P10LE ? 10 : 12;
319  enccfg->g_profile = 3;
320  *img_fmt = VPX_IMG_FMT_I42216;
321  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
322  return 0;
323  }
324  break;
325 #if VPX_IMAGE_ABI_VERSION >= 3
328  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
329  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
330  avctx->pix_fmt == AV_PIX_FMT_YUV440P10LE ? 10 : 12;
331  enccfg->g_profile = 3;
332  *img_fmt = VPX_IMG_FMT_I44016;
333  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
334  return 0;
335  }
336  break;
337 #endif
340  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
341  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
342  avctx->pix_fmt == AV_PIX_FMT_YUV444P10LE ? 10 : 12;
343  enccfg->g_profile = 3;
344  *img_fmt = VPX_IMG_FMT_I44416;
345  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
346  return 0;
347  }
348  break;
349 #endif
350  default:
351  break;
352  }
353  av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
354  return AVERROR_INVALIDDATA;
355 }
356 
357 #if VPX_ENCODER_ABI_VERSION > 8
358 static void set_colorspace(AVCodecContext *avctx)
359 {
360  enum vpx_color_space vpx_cs;
361 
362  switch (avctx->colorspace) {
363  case AVCOL_SPC_RGB: vpx_cs = VPX_CS_SRGB; break;
364  case AVCOL_SPC_BT709: vpx_cs = VPX_CS_BT_709; break;
365  case AVCOL_SPC_UNSPECIFIED: vpx_cs = VPX_CS_UNKNOWN; break;
366  case AVCOL_SPC_RESERVED: vpx_cs = VPX_CS_RESERVED; break;
367  case AVCOL_SPC_BT470BG: vpx_cs = VPX_CS_BT_601; break;
368  case AVCOL_SPC_SMPTE170M: vpx_cs = VPX_CS_SMPTE_170; break;
369  case AVCOL_SPC_SMPTE240M: vpx_cs = VPX_CS_SMPTE_240; break;
370  case AVCOL_SPC_BT2020_NCL: vpx_cs = VPX_CS_BT_2020; break;
371  default:
372  av_log(avctx, AV_LOG_WARNING, "Unsupported colorspace (%d)\n",
373  avctx->colorspace);
374  return;
375  }
376  codecctl_int(avctx, VP9E_SET_COLOR_SPACE, vpx_cs);
377 }
378 #endif
379 
380 #if VPX_ENCODER_ABI_VERSION >= 11
381 static void set_color_range(AVCodecContext *avctx)
382 {
383  enum vpx_color_range vpx_cr;
384  switch (avctx->color_range) {
386  case AVCOL_RANGE_MPEG: vpx_cr = VPX_CR_STUDIO_RANGE; break;
387  case AVCOL_RANGE_JPEG: vpx_cr = VPX_CR_FULL_RANGE; break;
388  default:
389  av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
390  avctx->color_range);
391  return;
392  }
393 
394  codecctl_int(avctx, VP9E_SET_COLOR_RANGE, vpx_cr);
395 }
396 #endif
397 #endif
398 
399 static av_cold int vpx_init(AVCodecContext *avctx,
400  const struct vpx_codec_iface *iface)
401 {
402  VP8Context *ctx = avctx->priv_data;
403  struct vpx_codec_enc_cfg enccfg = { 0 };
404  struct vpx_codec_enc_cfg enccfg_alpha;
405  vpx_codec_flags_t flags = (avctx->flags & AV_CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0;
406  AVCPBProperties *cpb_props;
407  int res;
408  vpx_img_fmt_t img_fmt = VPX_IMG_FMT_I420;
409 #if CONFIG_LIBVPX_VP9_ENCODER
410  vpx_codec_caps_t codec_caps = vpx_codec_get_caps(iface);
411 #endif
412 
413  av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
414  av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
415 
416  if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P)
417  ctx->is_alpha = 1;
418 
419  if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
420  av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
421  vpx_codec_err_to_string(res));
422  return AVERROR(EINVAL);
423  }
424 
425 #if CONFIG_LIBVPX_VP9_ENCODER
426  if (avctx->codec_id == AV_CODEC_ID_VP9) {
427  if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
428  return AVERROR(EINVAL);
429  }
430 #endif
431 
432  if(!avctx->bit_rate)
433  if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
434  av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
435  return AVERROR(EINVAL);
436  }
437 
438  dump_enc_cfg(avctx, &enccfg);
439 
440  enccfg.g_w = avctx->width;
441  enccfg.g_h = avctx->height;
442  enccfg.g_timebase.num = avctx->time_base.num;
443  enccfg.g_timebase.den = avctx->time_base.den;
444  enccfg.g_threads = avctx->thread_count;
445  enccfg.g_lag_in_frames= ctx->lag_in_frames;
446 
447  if (avctx->flags & AV_CODEC_FLAG_PASS1)
448  enccfg.g_pass = VPX_RC_FIRST_PASS;
449  else if (avctx->flags & AV_CODEC_FLAG_PASS2)
450  enccfg.g_pass = VPX_RC_LAST_PASS;
451  else
452  enccfg.g_pass = VPX_RC_ONE_PASS;
453 
454  if (avctx->rc_min_rate == avctx->rc_max_rate &&
455  avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
456  enccfg.rc_end_usage = VPX_CBR;
457  } else if (ctx->crf >= 0) {
458  enccfg.rc_end_usage = VPX_CQ;
459 #if CONFIG_LIBVPX_VP9_ENCODER
460  if (!avctx->bit_rate && avctx->codec_id == AV_CODEC_ID_VP9)
461  enccfg.rc_end_usage = VPX_Q;
462 #endif
463  }
464 
465  if (avctx->bit_rate) {
466  enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
468 #if CONFIG_LIBVPX_VP9_ENCODER
469  } else if (enccfg.rc_end_usage == VPX_Q) {
470 #endif
471  } else {
472  if (enccfg.rc_end_usage == VPX_CQ) {
473  enccfg.rc_target_bitrate = 1000000;
474  } else {
475  avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
476  av_log(avctx, AV_LOG_WARNING,
477  "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
478  enccfg.rc_target_bitrate);
479  }
480  }
481 
482  if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->lossless == 1) {
483  enccfg.rc_min_quantizer =
484  enccfg.rc_max_quantizer = 0;
485  } else {
486  if (avctx->qmin >= 0)
487  enccfg.rc_min_quantizer = avctx->qmin;
488  if (avctx->qmax >= 0)
489  enccfg.rc_max_quantizer = avctx->qmax;
490  }
491 
492  if (enccfg.rc_end_usage == VPX_CQ
493 #if CONFIG_LIBVPX_VP9_ENCODER
494  || enccfg.rc_end_usage == VPX_Q
495 #endif
496  ) {
497  if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
498  av_log(avctx, AV_LOG_ERROR,
499  "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
500  ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
501  return AVERROR(EINVAL);
502  }
503  }
504 
505 #if FF_API_PRIVATE_OPT
507  if (avctx->frame_skip_threshold)
508  ctx->drop_threshold = avctx->frame_skip_threshold;
510 #endif
511  enccfg.rc_dropframe_thresh = ctx->drop_threshold;
512 
513  //0-100 (0 => CBR, 100 => VBR)
514  enccfg.rc_2pass_vbr_bias_pct = lrint(avctx->qcompress * 100);
515  if (avctx->bit_rate)
516  enccfg.rc_2pass_vbr_minsection_pct =
517  avctx->rc_min_rate * 100LL / avctx->bit_rate;
518  if (avctx->rc_max_rate)
519  enccfg.rc_2pass_vbr_maxsection_pct =
520  avctx->rc_max_rate * 100LL / avctx->bit_rate;
521 
522  if (avctx->rc_buffer_size)
523  enccfg.rc_buf_sz =
524  avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
525  if (avctx->rc_initial_buffer_occupancy)
526  enccfg.rc_buf_initial_sz =
527  avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
528  enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
529 #if FF_API_MPV_OPT
531  if (avctx->rc_buffer_aggressivity != 1.0) {
532  av_log(avctx, AV_LOG_WARNING, "The rc_buffer_aggressivity option is "
533  "deprecated, use the undershoot-pct private option instead.\n");
534  enccfg.rc_undershoot_pct = lrint(avctx->rc_buffer_aggressivity * 100);
535  }
537 #endif
538  if (ctx->rc_undershoot_pct >= 0)
539  enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
540  if (ctx->rc_overshoot_pct >= 0)
541  enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
542 
543  //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
544  if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
545  enccfg.kf_min_dist = avctx->keyint_min;
546  if (avctx->gop_size >= 0)
547  enccfg.kf_max_dist = avctx->gop_size;
548 
549  if (enccfg.g_pass == VPX_RC_FIRST_PASS)
550  enccfg.g_lag_in_frames = 0;
551  else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
552  int decode_size, ret;
553 
554  if (!avctx->stats_in) {
555  av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
556  return AVERROR_INVALIDDATA;
557  }
558 
559  ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
560  ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
561  if (ret < 0) {
562  av_log(avctx, AV_LOG_ERROR,
563  "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
564  ctx->twopass_stats.sz);
565  ctx->twopass_stats.sz = 0;
566  return ret;
567  }
568  decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
569  ctx->twopass_stats.sz);
570  if (decode_size < 0) {
571  av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
572  return AVERROR_INVALIDDATA;
573  }
574 
575  ctx->twopass_stats.sz = decode_size;
576  enccfg.rc_twopass_stats_in = ctx->twopass_stats;
577  }
578 
579  /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
580  complexity playback on low powered devices at the expense of encode
581  quality. */
582  if (avctx->profile != FF_PROFILE_UNKNOWN)
583  enccfg.g_profile = avctx->profile;
584 
585  enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT;
586 
587  dump_enc_cfg(avctx, &enccfg);
588  /* Construct Encoder Context */
589  res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
590  if (res != VPX_CODEC_OK) {
591  log_encoder_error(avctx, "Failed to initialize encoder");
592  return AVERROR(EINVAL);
593  }
594 
595  if (ctx->is_alpha) {
596  enccfg_alpha = enccfg;
597  res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags);
598  if (res != VPX_CODEC_OK) {
599  log_encoder_error(avctx, "Failed to initialize alpha encoder");
600  return AVERROR(EINVAL);
601  }
602  }
603 
604  //codec control failures are currently treated only as warnings
605  av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
606  codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
607  if (ctx->flags & VP8F_AUTO_ALT_REF)
608  ctx->auto_alt_ref = 1;
609  if (ctx->auto_alt_ref >= 0)
610  codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
611  if (ctx->arnr_max_frames >= 0)
612  codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
613  if (ctx->arnr_strength >= 0)
614  codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
615  if (ctx->arnr_type >= 0)
616  codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
617  if (ctx->tune >= 0)
618  codecctl_int(avctx, VP8E_SET_TUNING, ctx->tune);
619 
620  if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
621 #if FF_API_PRIVATE_OPT
623  if (avctx->noise_reduction)
624  ctx->noise_sensitivity = avctx->noise_reduction;
626 #endif
627  codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, ctx->noise_sensitivity);
628  codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
629  }
630 #if FF_API_MPV_OPT
632  if (avctx->mb_threshold) {
633  av_log(avctx, AV_LOG_WARNING, "The mb_threshold option is deprecated, "
634  "use the static-thresh private option instead.\n");
635  ctx->static_thresh = avctx->mb_threshold;
636  }
638 #endif
639  codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
640  if (ctx->crf >= 0)
641  codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
642  if (ctx->max_intra_rate >= 0)
643  codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
644 
645 #if CONFIG_LIBVPX_VP9_ENCODER
646  if (avctx->codec_id == AV_CODEC_ID_VP9) {
647  if (ctx->lossless >= 0)
648  codecctl_int(avctx, VP9E_SET_LOSSLESS, ctx->lossless);
649  if (ctx->tile_columns >= 0)
650  codecctl_int(avctx, VP9E_SET_TILE_COLUMNS, ctx->tile_columns);
651  if (ctx->tile_rows >= 0)
652  codecctl_int(avctx, VP9E_SET_TILE_ROWS, ctx->tile_rows);
653  if (ctx->frame_parallel >= 0)
654  codecctl_int(avctx, VP9E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
655  if (ctx->aq_mode >= 0)
656  codecctl_int(avctx, VP9E_SET_AQ_MODE, ctx->aq_mode);
657 #if VPX_ENCODER_ABI_VERSION > 8
658  set_colorspace(avctx);
659 #endif
660 #if VPX_ENCODER_ABI_VERSION >= 11
661  set_color_range(avctx);
662 #endif
663  }
664 #endif
665 
666  av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
667 
668  //provide dummy value to initialize wrapper, values will be updated each _encode()
669  vpx_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
670  (unsigned char*)1);
671 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
672  if (avctx->codec_id == AV_CODEC_ID_VP9 && (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH))
673  ctx->rawimg.bit_depth = enccfg.g_bit_depth;
674 #endif
675 
676  if (ctx->is_alpha)
677  vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
678  (unsigned char*)1);
679 
680  cpb_props = ff_add_cpb_side_data(avctx);
681  if (!cpb_props)
682  return AVERROR(ENOMEM);
683 
684  if (enccfg.rc_end_usage == VPX_CBR ||
685  enccfg.g_pass != VPX_RC_ONE_PASS) {
686  cpb_props->max_bitrate = avctx->rc_max_rate;
687  cpb_props->min_bitrate = avctx->rc_min_rate;
688  cpb_props->avg_bitrate = avctx->bit_rate;
689  }
690  cpb_props->buffer_size = avctx->rc_buffer_size;
691 
692  return 0;
693 }
694 
695 static inline void cx_pktcpy(struct FrameListData *dst,
696  const struct vpx_codec_cx_pkt *src,
697  const struct vpx_codec_cx_pkt *src_alpha,
698  VP8Context *ctx)
699 {
700  dst->pts = src->data.frame.pts;
701  dst->duration = src->data.frame.duration;
702  dst->flags = src->data.frame.flags;
703  dst->sz = src->data.frame.sz;
704  dst->buf = src->data.frame.buf;
705  dst->have_sse = 0;
706  /* For alt-ref frame, don't store PSNR or increment frame_number */
707  if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) {
708  dst->frame_number = ++ctx->frame_number;
709  dst->have_sse = ctx->have_sse;
710  if (ctx->have_sse) {
711  /* associate last-seen SSE to the frame. */
712  /* Transfers ownership from ctx to dst. */
713  /* WARNING! This makes the assumption that PSNR_PKT comes
714  just before the frame it refers to! */
715  memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
716  ctx->have_sse = 0;
717  }
718  } else {
719  dst->frame_number = -1; /* sanity marker */
720  }
721  if (src_alpha) {
722  dst->buf_alpha = src_alpha->data.frame.buf;
723  dst->sz_alpha = src_alpha->data.frame.sz;
724  } else {
725  dst->buf_alpha = NULL;
726  dst->sz_alpha = 0;
727  }
728 }
729 
730 /**
731  * Store coded frame information in format suitable for return from encode2().
732  *
733  * Write information from @a cx_frame to @a pkt
734  * @return packet data size on success
735  * @return a negative AVERROR on error
736  */
737 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
738  AVPacket *pkt)
739 {
740  int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
741  uint8_t *side_data;
742  if (ret >= 0) {
743  int pict_type;
744  memcpy(pkt->data, cx_frame->buf, pkt->size);
745  pkt->pts = pkt->dts = cx_frame->pts;
746 #if FF_API_CODED_FRAME
748  avctx->coded_frame->pts = cx_frame->pts;
749  avctx->coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
751 #endif
752 
753  if (!!(cx_frame->flags & VPX_FRAME_IS_KEY)) {
754  pict_type = AV_PICTURE_TYPE_I;
755 #if FF_API_CODED_FRAME
757  avctx->coded_frame->pict_type = pict_type;
759 #endif
760  pkt->flags |= AV_PKT_FLAG_KEY;
761  } else {
762  pict_type = AV_PICTURE_TYPE_P;
763 #if FF_API_CODED_FRAME
765  avctx->coded_frame->pict_type = pict_type;
767 #endif
768  }
769 
770  ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
771  cx_frame->have_sse ? 3 : 0, pict_type);
772 
773  if (cx_frame->have_sse) {
774  int i;
775  /* Beware of the Y/U/V/all order! */
776 #if FF_API_CODED_FRAME
778  avctx->coded_frame->error[0] = cx_frame->sse[1];
779  avctx->coded_frame->error[1] = cx_frame->sse[2];
780  avctx->coded_frame->error[2] = cx_frame->sse[3];
781  avctx->coded_frame->error[3] = 0; // alpha
783 #endif
784  for (i = 0; i < 3; ++i) {
785  avctx->error[i] += cx_frame->sse[i + 1];
786  }
787  cx_frame->have_sse = 0;
788  }
789  if (cx_frame->sz_alpha > 0) {
790  side_data = av_packet_new_side_data(pkt,
792  cx_frame->sz_alpha + 8);
793  if(!side_data) {
794  av_packet_unref(pkt);
795  av_free(pkt);
796  return AVERROR(ENOMEM);
797  }
798  AV_WB64(side_data, 1);
799  memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha);
800  }
801  } else {
802  return ret;
803  }
804  return pkt->size;
805 }
806 
807 /**
808  * Queue multiple output frames from the encoder, returning the front-most.
809  * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
810  * the frame queue. Return the head frame if available.
811  * @return Stored frame size
812  * @return AVERROR(EINVAL) on output size error
813  * @return AVERROR(ENOMEM) on coded frame queue data allocation error
814  */
815 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
816 {
817  VP8Context *ctx = avctx->priv_data;
818  const struct vpx_codec_cx_pkt *pkt;
819  const struct vpx_codec_cx_pkt *pkt_alpha = NULL;
820  const void *iter = NULL;
821  const void *iter_alpha = NULL;
822  int size = 0;
823 
824  if (ctx->coded_frame_list) {
825  struct FrameListData *cx_frame = ctx->coded_frame_list;
826  /* return the leading frame if we've already begun queueing */
827  size = storeframe(avctx, cx_frame, pkt_out);
828  if (size < 0)
829  return size;
830  ctx->coded_frame_list = cx_frame->next;
831  free_coded_frame(cx_frame);
832  }
833 
834  /* consume all available output from the encoder before returning. buffers
835  are only good through the next vpx_codec call */
836  while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
837  (!ctx->is_alpha ||
838  (ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) {
839  switch (pkt->kind) {
840  case VPX_CODEC_CX_FRAME_PKT:
841  if (!size) {
842  struct FrameListData cx_frame;
843 
844  /* avoid storing the frame when the list is empty and we haven't yet
845  provided a frame for output */
847  cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx);
848  size = storeframe(avctx, &cx_frame, pkt_out);
849  if (size < 0)
850  return size;
851  } else {
852  struct FrameListData *cx_frame =
853  av_malloc(sizeof(struct FrameListData));
854 
855  if (!cx_frame) {
856  av_log(avctx, AV_LOG_ERROR,
857  "Frame queue element alloc failed\n");
858  return AVERROR(ENOMEM);
859  }
860  cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx);
861  cx_frame->buf = av_malloc(cx_frame->sz);
862 
863  if (!cx_frame->buf) {
864  av_log(avctx, AV_LOG_ERROR,
865  "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
866  cx_frame->sz);
867  av_freep(&cx_frame);
868  return AVERROR(ENOMEM);
869  }
870  memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
871  if (ctx->is_alpha) {
872  cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha);
873  if (!cx_frame->buf_alpha) {
874  av_log(avctx, AV_LOG_ERROR,
875  "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
876  cx_frame->sz_alpha);
877  av_free(cx_frame);
878  return AVERROR(ENOMEM);
879  }
880  memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz);
881  }
882  coded_frame_add(&ctx->coded_frame_list, cx_frame);
883  }
884  break;
885  case VPX_CODEC_STATS_PKT: {
886  struct vpx_fixed_buf *stats = &ctx->twopass_stats;
887  int err;
888  if ((err = av_reallocp(&stats->buf,
889  stats->sz +
890  pkt->data.twopass_stats.sz)) < 0) {
891  stats->sz = 0;
892  av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
893  return err;
894  }
895  memcpy((uint8_t*)stats->buf + stats->sz,
896  pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
897  stats->sz += pkt->data.twopass_stats.sz;
898  break;
899  }
900  case VPX_CODEC_PSNR_PKT:
901  av_assert0(!ctx->have_sse);
902  ctx->sse[0] = pkt->data.psnr.sse[0];
903  ctx->sse[1] = pkt->data.psnr.sse[1];
904  ctx->sse[2] = pkt->data.psnr.sse[2];
905  ctx->sse[3] = pkt->data.psnr.sse[3];
906  ctx->have_sse = 1;
907  break;
908  case VPX_CODEC_CUSTOM_PKT:
909  //ignore unsupported/unrecognized packet types
910  break;
911  }
912  }
913 
914  return size;
915 }
916 
917 static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
918  const AVFrame *frame, int *got_packet)
919 {
920  VP8Context *ctx = avctx->priv_data;
921  struct vpx_image *rawimg = NULL;
922  struct vpx_image *rawimg_alpha = NULL;
923  int64_t timestamp = 0;
924  int res, coded_size;
925  vpx_enc_frame_flags_t flags = 0;
926 
927  if (frame) {
928  rawimg = &ctx->rawimg;
929  rawimg->planes[VPX_PLANE_Y] = frame->data[0];
930  rawimg->planes[VPX_PLANE_U] = frame->data[1];
931  rawimg->planes[VPX_PLANE_V] = frame->data[2];
932  rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
933  rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
934  rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
935  if (ctx->is_alpha) {
936  uint8_t *u_plane, *v_plane;
937  rawimg_alpha = &ctx->rawimg_alpha;
938  rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3];
939  u_plane = av_malloc(frame->linesize[1] * frame->height);
940  v_plane = av_malloc(frame->linesize[2] * frame->height);
941  if (!u_plane || !v_plane) {
942  av_free(u_plane);
943  av_free(v_plane);
944  return AVERROR(ENOMEM);
945  }
946  memset(u_plane, 0x80, frame->linesize[1] * frame->height);
947  rawimg_alpha->planes[VPX_PLANE_U] = u_plane;
948  memset(v_plane, 0x80, frame->linesize[2] * frame->height);
949  rawimg_alpha->planes[VPX_PLANE_V] = v_plane;
950  rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[0];
951  rawimg_alpha->stride[VPX_PLANE_U] = frame->linesize[1];
952  rawimg_alpha->stride[VPX_PLANE_V] = frame->linesize[2];
953  }
954  timestamp = frame->pts;
955  if (frame->pict_type == AV_PICTURE_TYPE_I)
956  flags |= VPX_EFLAG_FORCE_KF;
957  }
958 
959  res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
960  avctx->ticks_per_frame, flags, ctx->deadline);
961  if (res != VPX_CODEC_OK) {
962  log_encoder_error(avctx, "Error encoding frame");
963  return AVERROR_INVALIDDATA;
964  }
965 
966  if (ctx->is_alpha) {
967  res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp,
968  avctx->ticks_per_frame, flags, ctx->deadline);
969  if (res != VPX_CODEC_OK) {
970  log_encoder_error(avctx, "Error encoding alpha frame");
971  return AVERROR_INVALIDDATA;
972  }
973  }
974 
975  coded_size = queue_frames(avctx, pkt);
976 
977  if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
978  unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
979 
980  avctx->stats_out = av_malloc(b64_size);
981  if (!avctx->stats_out) {
982  av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
983  b64_size);
984  return AVERROR(ENOMEM);
985  }
986  av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
987  ctx->twopass_stats.sz);
988  }
989 
990  if (rawimg_alpha) {
991  av_freep(&rawimg_alpha->planes[VPX_PLANE_U]);
992  av_freep(&rawimg_alpha->planes[VPX_PLANE_V]);
993  }
994 
995  *got_packet = !!coded_size;
996  return 0;
997 }
998 
999 #define OFFSET(x) offsetof(VP8Context, x)
1000 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1001 
1002 #ifndef VPX_ERROR_RESILIENT_DEFAULT
1003 #define VPX_ERROR_RESILIENT_DEFAULT 1
1004 #define VPX_ERROR_RESILIENT_PARTITIONS 2
1005 #endif
1006 
1007 #define COMMON_OPTIONS \
1008  { "auto-alt-ref", "Enable use of alternate reference " \
1009  "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, \
1010  { "lag-in-frames", "Number of frames to look ahead for " \
1011  "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1012  { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1013  { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1014  { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"}, \
1015  { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" }, \
1016  { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" }, \
1017  { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" }, \
1018  { "tune", "Tune the encoding to a specific scenario", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "tune"}, \
1019  { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_PSNR}, 0, 0, VE, "tune"}, \
1020  { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_SSIM}, 0, 0, VE, "tune"}, \
1021  { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1022  { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, \
1023  { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, \
1024  { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, \
1025  { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, \
1026  { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1027  { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, \
1028  { "partitions", "The frame partitions are independently decodable " \
1029  "by the bool decoder, meaning that partitions can be decoded even " \
1030  "though earlier partitions have been lost. Note that intra predicition" \
1031  " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
1032  { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
1033  { "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 }, \
1034  { "drop-threshold", "Frame drop threshold", offsetof(VP8Context, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE }, \
1035  { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE}, \
1036  { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, VE }, \
1037  { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE }, \
1038 
1039 #define LEGACY_OPTIONS \
1040  {"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
1041  {"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1042  {"vp8flags", "", offsetof(VP8Context, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, \
1043  {"error_resilient", "enable error resilience", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, \
1044  {"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"}, \
1045  {"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, \
1046  {"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
1047  {"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
1048  {"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VP8Context, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE}, \
1049 
1050 #if CONFIG_LIBVPX_VP8_ENCODER
1051 static const AVOption vp8_options[] = {
1053  { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
1055  { NULL }
1056 };
1057 #endif
1058 
1059 #if CONFIG_LIBVPX_VP9_ENCODER
1060 static const AVOption vp9_options[] = {
1062  { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
1063  { "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
1064  { "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1065  { "tile-rows", "Number of tile rows to use, log2", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1066  { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL,{.i64 = -1}, -1, 1, VE},
1067  { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 3, VE, "aq_mode"},
1068  { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode" },
1069  { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode" },
1070  { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode" },
1071  { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode" },
1073  { NULL }
1074 };
1075 #endif
1076 
1077 #undef COMMON_OPTIONS
1078 #undef LEGACY_OPTIONS
1079 
1080 static const AVCodecDefault defaults[] = {
1081  { "qmin", "-1" },
1082  { "qmax", "-1" },
1083  { "g", "-1" },
1084  { "keyint_min", "-1" },
1085  { NULL },
1086 };
1087 
1088 #if CONFIG_LIBVPX_VP8_ENCODER
1089 static av_cold int vp8_init(AVCodecContext *avctx)
1090 {
1091  return vpx_init(avctx, vpx_codec_vp8_cx());
1092 }
1093 
1094 static const AVClass class_vp8 = {
1095  .class_name = "libvpx-vp8 encoder",
1096  .item_name = av_default_item_name,
1097  .option = vp8_options,
1098  .version = LIBAVUTIL_VERSION_INT,
1099 };
1100 
1101 AVCodec ff_libvpx_vp8_encoder = {
1102  .name = "libvpx",
1103  .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
1104  .type = AVMEDIA_TYPE_VIDEO,
1105  .id = AV_CODEC_ID_VP8,
1106  .priv_data_size = sizeof(VP8Context),
1107  .init = vp8_init,
1108  .encode2 = vp8_encode,
1109  .close = vp8_free,
1112  .priv_class = &class_vp8,
1113  .defaults = defaults,
1114 };
1115 #endif /* CONFIG_LIBVPX_VP8_ENCODER */
1116 
1117 #if CONFIG_LIBVPX_VP9_ENCODER
1118 static av_cold int vp9_init(AVCodecContext *avctx)
1119 {
1120  return vpx_init(avctx, vpx_codec_vp9_cx());
1121 }
1122 
1123 static const AVClass class_vp9 = {
1124  .class_name = "libvpx-vp9 encoder",
1125  .item_name = av_default_item_name,
1126  .option = vp9_options,
1127  .version = LIBAVUTIL_VERSION_INT,
1128 };
1129 
1130 AVCodec ff_libvpx_vp9_encoder = {
1131  .name = "libvpx-vp9",
1132  .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
1133  .type = AVMEDIA_TYPE_VIDEO,
1134  .id = AV_CODEC_ID_VP9,
1135  .priv_data_size = sizeof(VP8Context),
1136  .init = vp9_init,
1137  .encode2 = vp8_encode,
1138  .close = vp8_free,
1141  .priv_class = &class_vp9,
1142  .defaults = defaults,
1143  .init_static_data = ff_vp9_init_static,
1144 };
1145 #endif /* CONFIG_LIBVPX_VP9_ENCODER */
uint64_t sse[4]
Definition: libvpxenc.c:57
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:422
int cpu_used
Definition: libvpxenc.c:77
struct vpx_image rawimg_alpha
Definition: libvpxenc.c:68
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:634
planar YUV 4:4:0,20bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
Definition: pixfmt.h:283
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
int lag_in_frames
Definition: libvpxenc.c:93
This structure describes decoded (raw) audio or video data.
Definition: frame.h:181
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:618
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:171
struct vpx_codec_ctx encoder
Definition: libvpxenc.c:65
uint64_t error[AV_NUM_DATA_POINTERS]
error
Definition: avcodec.h:2862
AVFormatContext * ctx
Definition: movenc-test.c:48
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
#define OFFSET(x)
Definition: libvpxenc.c:999
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:68
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1597
#define LIBAVUTIL_VERSION_INT
Definition: version.h:70
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1203
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:426
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2562
int tile_columns
Definition: libvpxenc.c:103
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2262
int num
numerator
Definition: rational.h:44
int size
Definition: avcodec.h:1468
int av_log2(unsigned v)
Definition: intmath.c:26
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above ...
Definition: pixfmt.h:427
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1752
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)
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
Definition: avcodec.h:2700
int arnr_max_frames
Definition: libvpxenc.c:87
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:931
struct vpx_codec_ctx encoder_alpha
Definition: libvpxenc.c:67
int profile
profile
Definition: avcodec.h:3028
int max_intra_rate
Definition: libvpxenc.c:97
AVCodec.
Definition: avcodec.h:3392
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:421
int min_bitrate
Minimum bitrate of the stream, in bits per second.
Definition: avcodec.h:1208
int error_resilient
Definition: libvpxenc.c:94
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1661
#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:881
int auto_alt_ref
Definition: libvpxenc.c:85
#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:103
attribute_deprecated float rc_buffer_aggressivity
Definition: avcodec.h:2537
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:241
#define av_malloc(s)
int lossless
Definition: libvpxenc.c:102
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:212
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:259
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:262
static AVFrame * frame
uint8_t * data
Definition: avcodec.h:1467
int frame_parallel
Definition: libvpxenc.c:105
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1219
ptrdiff_t size
Definition: opengl_enc.c:101
char * stats_out
pass1 encoding statistics output buffer
Definition: avcodec.h:2692
attribute_deprecated uint64_t error[AV_NUM_DATA_POINTERS]
Definition: frame.h:300
attribute_deprecated int frame_skip_threshold
Definition: avcodec.h:2602
#define av_log(a,...)
#define LEGACY_OPTIONS
Definition: libvpxenc.c:1039
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1499
int tune
Definition: libvpxenc.c:91
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:177
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
struct vpx_image rawimg
Definition: libvpxenc.c:66
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:737
av_default_item_name
#define AVERROR(e)
Definition: error.h:43
#define COMMON_OPTIONS
Definition: libvpxenc.c:1007
int qmax
maximum quantizer
Definition: avcodec.h:2473
#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
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:173
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1627
Round to nearest and halfway cases away from zero.
Definition: mathematics.h:75
simple assert() macros that are a bit more flexible than ISO C assert().
const char * name
Name of the codec implementation.
Definition: avcodec.h:3399
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:1473
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:67
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2500
int64_t rc_min_rate
minimum bitrate
Definition: avcodec.h:2530
common internal API header
static void cx_pktcpy(struct FrameListData *dst, const struct vpx_codec_cx_pkt *src, const struct vpx_codec_cx_pkt *src_alpha, VP8Context *ctx)
Definition: libvpxenc.c:695
static av_cold void dump_enc_cfg(AVCodecContext *avctx, const struct vpx_codec_enc_cfg *cfg)
Definition: libvpxenc.c:150
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:252
#define AV_BASE64_SIZE(x)
Calculate the output size needed to base64-encode x bytes to a null-terminated string.
Definition: base64.h:61
int width
picture width / height.
Definition: avcodec.h:1711
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3029
ITU-R BT2020 non-constant luminance system.
Definition: pixfmt.h:430
attribute_deprecated int noise_reduction
Definition: avcodec.h:2112
int static_thresh
Definition: libvpxenc.c:96
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:766
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:750
uint64_t sse[4]
Definition: libvpxenc.c:72
static av_cold int vp8_free(AVCodecContext *avctx)
Definition: libvpxenc.c:262
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1670
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:251
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
Definition: libvpxenc.c:139
attribute_deprecated int mb_threshold
Definition: avcodec.h:2126
int arnr_strength
Definition: libvpxenc.c:88
#define src
Definition: vp9dsp.c:530
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2954
struct FrameListData * next
Definition: libvpxenc.c:60
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:443
#define VP8F_ERROR_RESILIENT
Enable measures appropriate for streaming over lossy links.
Definition: libvpxenc.c:82
static av_cold int vpx_init(AVCodecContext *avctx, const struct vpx_codec_iface *iface)
Definition: libvpxenc.c:399
int flags
VP8 specific flags, see VP8F_* below.
Definition: libvpxenc.c:81
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1198
static const AVCodecDefault defaults[]
Definition: libvpxenc.c:1080
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
#define VE
Definition: libvpxenc.c:1000
Libavcodec external API header.
enum AVCodecID codec_id
Definition: avcodec.h:1549
av_cold void ff_vp9_init_static(AVCodec *codec)
Definition: libvpx.c:61
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:209
static av_cold int vp9_init(AVFormatContext *ctx, int st_index, PayloadContext *data)
Definition: rtpdec_vp9.c:34
main external API structure.
Definition: avcodec.h:1532
static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
Queue multiple output frames from the encoder, returning the front-most.
Definition: libvpxenc.c:815
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:545
int qmin
minimum quantizer
Definition: avcodec.h:2466
planar YUV 4:4:0,24bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
Definition: pixfmt.h:285
void * buf
Definition: avisynth_c.h:553
Data found in BlockAdditional element of matroska container.
Definition: avcodec.h:1387
int deadline
Definition: libvpxenc.c:71
Describe the class of an AVClass context structure.
Definition: log.h:67
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2255
int arnr_type
Definition: libvpxenc.c:89
uint32_t flags
flags for this frame
Definition: libvpxenc.c:56
#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:1621
static av_cold void free_coded_frame(struct FrameListData *cx_frame)
Definition: libvpxenc.c:222
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:2458
static int set_pix_fmt(AVCodecContext *avctx, struct vpx_image *img)
Definition: libvpxdec.c:64
static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libvpxenc.c:917
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
void * buf
compressed data buffer
Definition: libvpxenc.c:48
int rc_undershoot_pct
Definition: libvpxenc.c:98
size_t sz_alpha
Definition: libvpxenc.c:51
int have_sse
true if we have pending sse[]
Definition: libvpxenc.c:58
#define SIZE_SPECIFIER
Definition: internal.h:251
static int flags
Definition: cpu.c:47
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:192
uint8_t level
Definition: svq3.c:150
uint8_t is_alpha
Definition: libvpxenc.c:69
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:442
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1737
static const char *const ctlidstr[]
String mappings for enum vp8e_enc_control_id.
Definition: libvpxenc.c:112
struct vpx_fixed_buf twopass_stats
Definition: libvpxenc.c:70
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:63
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:255
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:80
common internal api header.
int noise_sensitivity
Definition: libvpxenc.c:108
int rc_overshoot_pct
Definition: libvpxenc.c:99
common internal and external API header
int av_reallocp(void *ptr, size_t size)
Allocate or reallocate a block of memory.
Definition: mem.c:187
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2945
int den
denominator
Definition: rational.h:45
AVCPBProperties * ff_add_cpb_side_data(AVCodecContext *avctx)
Add a CPB properties side data to an encoding context.
Definition: utils.c:3533
static av_cold void free_frame_list(struct FrameListData *list)
Definition: libvpxenc.c:230
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:754
void * buf_alpha
Definition: libvpxenc.c:50
int slices
Number of slices.
Definition: avcodec.h:2278
void * priv_data
Definition: avcodec.h:1574
#define av_free(p)
int drop_threshold
Definition: libvpxenc.c:107
#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:1213
int tile_rows
Definition: libvpxenc.c:104
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:247
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
int have_sse
true if we have pending sse[]
Definition: libvpxenc.c:73
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1466
int height
Definition: frame.h:230
#define av_freep(p)
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:101
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
Definition: avpacket.c:299
const AVProfile ff_vp9_profiles[]
Definition: profiles.c:124
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
This structure stores compressed data.
Definition: avcodec.h:1444
struct FrameListData * coded_frame_list
Definition: libvpxenc.c:75
int aq_mode
Definition: libvpxenc.c:106
uint64_t frame_number
Definition: libvpxenc.c:74
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1460
Predicted.
Definition: avutil.h:267
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2523
int keyint_min
minimum GOP size
Definition: avcodec.h:2198
static int width