FFmpeg
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  * VP8/9 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/avstring.h"
37 #include "libavutil/base64.h"
38 #include "libavutil/common.h"
39 #include "libavutil/internal.h"
40 #include "libavutil/intreadwrite.h"
41 #include "libavutil/mathematics.h"
42 #include "libavutil/opt.h"
43 
44 /**
45  * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
46  * One encoded frame returned from the library.
47  */
48 struct FrameListData {
49  void *buf; /**< compressed data buffer */
50  size_t sz; /**< length of compressed data */
51  void *buf_alpha;
52  size_t sz_alpha;
53  int64_t pts; /**< time stamp to show frame
54  (in timebase units) */
55  unsigned long duration; /**< duration to show frame
56  (in timebase units) */
57  uint32_t flags; /**< flags for this frame */
58  uint64_t sse[4];
59  int have_sse; /**< true if we have pending sse[] */
60  uint64_t frame_number;
61  struct FrameListData *next;
62 };
63 
64 typedef struct VPxEncoderContext {
65  AVClass *class;
66  struct vpx_codec_ctx encoder;
67  struct vpx_image rawimg;
68  struct vpx_codec_ctx encoder_alpha;
69  struct vpx_image rawimg_alpha;
71  struct vpx_fixed_buf twopass_stats;
72  int deadline; //i.e., RT/GOOD/BEST
73  uint64_t sse[4];
74  int have_sse; /**< true if we have pending sse[] */
75  uint64_t frame_number;
77 
78  int cpu_used;
79  int sharpness;
80  /**
81  * VP8 specific flags, see VP8F_* below.
82  */
83  int flags;
84 #define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links
85 #define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation
86 
88 
91  int arnr_type;
92 
93  int tune;
94 
97  int crf;
102 
104 
105  // VP9-only
106  int lossless;
110  int aq_mode;
113  int vpx_cs;
114  float level;
115  int row_mt;
119  /**
120  * If the driver does not support ROI then warn the first time we
121  * encounter a frame with ROI side data.
122  */
124 } VPxContext;
125 
126 /** String mappings for enum vp8e_enc_control_id */
127 static const char *const ctlidstr[] = {
128  [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
129  [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
130  [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
131  [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
132  [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
133  [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
134  [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
135  [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
136  [VP8E_SET_TUNING] = "VP8E_SET_TUNING",
137  [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
138  [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
139  [VP8E_SET_SHARPNESS] = "VP8E_SET_SHARPNESS",
140 #if CONFIG_LIBVPX_VP9_ENCODER
141  [VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
142  [VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
143  [VP9E_SET_TILE_ROWS] = "VP9E_SET_TILE_ROWS",
144  [VP9E_SET_FRAME_PARALLEL_DECODING] = "VP9E_SET_FRAME_PARALLEL_DECODING",
145  [VP9E_SET_AQ_MODE] = "VP9E_SET_AQ_MODE",
146  [VP9E_SET_COLOR_SPACE] = "VP9E_SET_COLOR_SPACE",
147 #if VPX_ENCODER_ABI_VERSION >= 11
148  [VP9E_SET_COLOR_RANGE] = "VP9E_SET_COLOR_RANGE",
149 #endif
150 #if VPX_ENCODER_ABI_VERSION >= 12
151  [VP9E_SET_TARGET_LEVEL] = "VP9E_SET_TARGET_LEVEL",
152  [VP9E_GET_LEVEL] = "VP9E_GET_LEVEL",
153 #endif
154 #ifdef VPX_CTRL_VP9E_SET_ROW_MT
155  [VP9E_SET_ROW_MT] = "VP9E_SET_ROW_MT",
156 #endif
157 #ifdef VPX_CTRL_VP9E_SET_TUNE_CONTENT
158  [VP9E_SET_TUNE_CONTENT] = "VP9E_SET_TUNE_CONTENT",
159 #endif
160 #ifdef VPX_CTRL_VP9E_SET_TPL
161  [VP9E_SET_TPL] = "VP9E_SET_TPL",
162 #endif
163 #endif
164 };
165 
166 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
167 {
168  VPxContext *ctx = avctx->priv_data;
169  const char *error = vpx_codec_error(&ctx->encoder);
170  const char *detail = vpx_codec_error_detail(&ctx->encoder);
171 
172  av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
173  if (detail)
174  av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
175 }
176 
178  const struct vpx_codec_enc_cfg *cfg)
179 {
180  int width = -30;
181  int level = AV_LOG_DEBUG;
182  int i;
183 
184  av_log(avctx, level, "vpx_codec_enc_cfg\n");
185  av_log(avctx, level, "generic settings\n"
186  " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
187 #if CONFIG_LIBVPX_VP9_ENCODER
188  " %*s%u\n %*s%u\n"
189 #endif
190  " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
191  width, "g_usage:", cfg->g_usage,
192  width, "g_threads:", cfg->g_threads,
193  width, "g_profile:", cfg->g_profile,
194  width, "g_w:", cfg->g_w,
195  width, "g_h:", cfg->g_h,
196 #if CONFIG_LIBVPX_VP9_ENCODER
197  width, "g_bit_depth:", cfg->g_bit_depth,
198  width, "g_input_bit_depth:", cfg->g_input_bit_depth,
199 #endif
200  width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
201  width, "g_error_resilient:", cfg->g_error_resilient,
202  width, "g_pass:", cfg->g_pass,
203  width, "g_lag_in_frames:", cfg->g_lag_in_frames);
204  av_log(avctx, level, "rate control settings\n"
205  " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
206  " %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
207  width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
208  width, "rc_resize_allowed:", cfg->rc_resize_allowed,
209  width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
210  width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
211  width, "rc_end_usage:", cfg->rc_end_usage,
212  width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
213  width, "rc_target_bitrate:", cfg->rc_target_bitrate);
214  av_log(avctx, level, "quantizer settings\n"
215  " %*s%u\n %*s%u\n",
216  width, "rc_min_quantizer:", cfg->rc_min_quantizer,
217  width, "rc_max_quantizer:", cfg->rc_max_quantizer);
218  av_log(avctx, level, "bitrate tolerance\n"
219  " %*s%u\n %*s%u\n",
220  width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
221  width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
222  av_log(avctx, level, "temporal layering settings\n"
223  " %*s%u\n", width, "ts_number_layers:", cfg->ts_number_layers);
224  av_log(avctx, level,
225  "\n %*s", width, "ts_target_bitrate:");
226  for (i = 0; i < VPX_TS_MAX_LAYERS; i++)
227  av_log(avctx, level, "%u ", cfg->ts_target_bitrate[i]);
228  av_log(avctx, level, "\n");
229  av_log(avctx, level,
230  "\n %*s", width, "ts_rate_decimator:");
231  for (i = 0; i < VPX_TS_MAX_LAYERS; i++)
232  av_log(avctx, level, "%u ", cfg->ts_rate_decimator[i]);
233  av_log(avctx, level, "\n");
234  av_log(avctx, level,
235  "\n %*s%u\n", width, "ts_periodicity:", cfg->ts_periodicity);
236  av_log(avctx, level,
237  "\n %*s", width, "ts_layer_id:");
238  for (i = 0; i < VPX_TS_MAX_PERIODICITY; i++)
239  av_log(avctx, level, "%u ", cfg->ts_layer_id[i]);
240  av_log(avctx, level, "\n");
241  av_log(avctx, level, "decoder buffer model\n"
242  " %*s%u\n %*s%u\n %*s%u\n",
243  width, "rc_buf_sz:", cfg->rc_buf_sz,
244  width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
245  width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
246  av_log(avctx, level, "2 pass rate control settings\n"
247  " %*s%u\n %*s%u\n %*s%u\n",
248  width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
249  width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
250  width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
251 #if VPX_ENCODER_ABI_VERSION >= 14
252  av_log(avctx, level, " %*s%u\n",
253  width, "rc_2pass_vbr_corpus_complexity:", cfg->rc_2pass_vbr_corpus_complexity);
254 #endif
255  av_log(avctx, level, "keyframing settings\n"
256  " %*s%d\n %*s%u\n %*s%u\n",
257  width, "kf_mode:", cfg->kf_mode,
258  width, "kf_min_dist:", cfg->kf_min_dist,
259  width, "kf_max_dist:", cfg->kf_max_dist);
260  av_log(avctx, level, "\n");
261 }
262 
263 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
264 {
265  struct FrameListData **p = list;
266 
267  while (*p)
268  p = &(*p)->next;
269  *p = cx_frame;
270  cx_frame->next = NULL;
271 }
272 
273 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
274 {
275  av_freep(&cx_frame->buf);
276  if (cx_frame->buf_alpha)
277  av_freep(&cx_frame->buf_alpha);
278  av_freep(&cx_frame);
279 }
280 
282 {
283  struct FrameListData *p = list;
284 
285  while (p) {
286  list = list->next;
287  free_coded_frame(p);
288  p = list;
289  }
290 }
291 
293  enum vp8e_enc_control_id id, int val)
294 {
295  VPxContext *ctx = avctx->priv_data;
296  char buf[80];
297  int width = -30;
298  int res;
299 
300  snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
301  av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
302 
303  res = vpx_codec_control(&ctx->encoder, id, val);
304  if (res != VPX_CODEC_OK) {
305  snprintf(buf, sizeof(buf), "Failed to set %s codec control",
306  ctlidstr[id]);
307  log_encoder_error(avctx, buf);
308  }
309 
310  return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
311 }
312 
313 #if VPX_ENCODER_ABI_VERSION >= 12
314 static av_cold int codecctl_intp(AVCodecContext *avctx,
315  enum vp8e_enc_control_id id, int *val)
316 {
317  VPxContext *ctx = avctx->priv_data;
318  char buf[80];
319  int width = -30;
320  int res;
321 
322  snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
323  av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, *val);
324 
325  res = vpx_codec_control(&ctx->encoder, id, val);
326  if (res != VPX_CODEC_OK) {
327  snprintf(buf, sizeof(buf), "Failed to set %s codec control",
328  ctlidstr[id]);
329  log_encoder_error(avctx, buf);
330  }
331 
332  return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
333 }
334 #endif
335 
336 static av_cold int vpx_free(AVCodecContext *avctx)
337 {
338  VPxContext *ctx = avctx->priv_data;
339 
340 #if VPX_ENCODER_ABI_VERSION >= 12
341  if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->level >= 0 &&
342  !(avctx->flags & AV_CODEC_FLAG_PASS1)) {
343  int level_out = 0;
344  if (!codecctl_intp(avctx, VP9E_GET_LEVEL, &level_out))
345  av_log(avctx, AV_LOG_INFO, "Encoded level %.1f\n", level_out * 0.1);
346  }
347 #endif
348 
349  vpx_codec_destroy(&ctx->encoder);
350  if (ctx->is_alpha)
351  vpx_codec_destroy(&ctx->encoder_alpha);
352  av_freep(&ctx->twopass_stats.buf);
353  av_freep(&avctx->stats_out);
355  return 0;
356 }
357 
358 static void vp8_ts_parse_int_array(int *dest, char *value, size_t value_len, int max_entries)
359 {
360  int dest_idx = 0;
361  char *saveptr = NULL;
362  char *token = av_strtok(value, ",", &saveptr);
363 
364  while (token && dest_idx < max_entries) {
365  dest[dest_idx++] = strtoul(token, NULL, 10);
366  token = av_strtok(NULL, ",", &saveptr);
367  }
368 }
369 
370 static int vp8_ts_param_parse(struct vpx_codec_enc_cfg *enccfg, char *key, char *value)
371 {
372  size_t value_len = strlen(value);
373 
374  if (!value_len)
375  return -1;
376 
377  if (!strcmp(key, "ts_number_layers"))
378  enccfg->ts_number_layers = strtoul(value, &value, 10);
379  else if (!strcmp(key, "ts_target_bitrate"))
380  vp8_ts_parse_int_array(enccfg->ts_target_bitrate, value, value_len, VPX_TS_MAX_LAYERS);
381  else if (!strcmp(key, "ts_rate_decimator"))
382  vp8_ts_parse_int_array(enccfg->ts_rate_decimator, value, value_len, VPX_TS_MAX_LAYERS);
383  else if (!strcmp(key, "ts_periodicity"))
384  enccfg->ts_periodicity = strtoul(value, &value, 10);
385  else if (!strcmp(key, "ts_layer_id"))
386  vp8_ts_parse_int_array(enccfg->ts_layer_id, value, value_len, VPX_TS_MAX_PERIODICITY);
387 
388  return 0;
389 }
390 
391 #if CONFIG_LIBVPX_VP9_ENCODER
392 static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps,
393  struct vpx_codec_enc_cfg *enccfg, vpx_codec_flags_t *flags,
394  vpx_img_fmt_t *img_fmt)
395 {
396  VPxContext av_unused *ctx = avctx->priv_data;
397  enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
398  switch (avctx->pix_fmt) {
399  case AV_PIX_FMT_YUV420P:
400  case AV_PIX_FMT_YUVA420P:
401  enccfg->g_profile = 0;
402  *img_fmt = VPX_IMG_FMT_I420;
403  return 0;
404  case AV_PIX_FMT_YUV422P:
405  enccfg->g_profile = 1;
406  *img_fmt = VPX_IMG_FMT_I422;
407  return 0;
408  case AV_PIX_FMT_YUV440P:
409  enccfg->g_profile = 1;
410  *img_fmt = VPX_IMG_FMT_I440;
411  return 0;
412  case AV_PIX_FMT_GBRP:
413  ctx->vpx_cs = VPX_CS_SRGB;
414  case AV_PIX_FMT_YUV444P:
415  enccfg->g_profile = 1;
416  *img_fmt = VPX_IMG_FMT_I444;
417  return 0;
420  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
421  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
422  avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
423  enccfg->g_profile = 2;
424  *img_fmt = VPX_IMG_FMT_I42016;
425  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
426  return 0;
427  }
428  break;
431  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
432  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
433  avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
434  enccfg->g_profile = 3;
435  *img_fmt = VPX_IMG_FMT_I42216;
436  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
437  return 0;
438  }
439  break;
442  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
443  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
444  avctx->pix_fmt == AV_PIX_FMT_YUV440P10 ? 10 : 12;
445  enccfg->g_profile = 3;
446  *img_fmt = VPX_IMG_FMT_I44016;
447  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
448  return 0;
449  }
450  break;
451  case AV_PIX_FMT_GBRP10:
452  case AV_PIX_FMT_GBRP12:
453  ctx->vpx_cs = VPX_CS_SRGB;
456  if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
457  enccfg->g_bit_depth = enccfg->g_input_bit_depth =
458  avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ||
459  avctx->pix_fmt == AV_PIX_FMT_GBRP10 ? 10 : 12;
460  enccfg->g_profile = 3;
461  *img_fmt = VPX_IMG_FMT_I44416;
462  *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
463  return 0;
464  }
465  break;
466  default:
467  break;
468  }
469  av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
470  return AVERROR_INVALIDDATA;
471 }
472 
473 static void set_colorspace(AVCodecContext *avctx)
474 {
475  enum vpx_color_space vpx_cs;
476  VPxContext *ctx = avctx->priv_data;
477 
478  if (ctx->vpx_cs) {
479  vpx_cs = ctx->vpx_cs;
480  } else {
481  switch (avctx->colorspace) {
482  case AVCOL_SPC_RGB: vpx_cs = VPX_CS_SRGB; break;
483  case AVCOL_SPC_BT709: vpx_cs = VPX_CS_BT_709; break;
484  case AVCOL_SPC_UNSPECIFIED: vpx_cs = VPX_CS_UNKNOWN; break;
485  case AVCOL_SPC_RESERVED: vpx_cs = VPX_CS_RESERVED; break;
486  case AVCOL_SPC_BT470BG: vpx_cs = VPX_CS_BT_601; break;
487  case AVCOL_SPC_SMPTE170M: vpx_cs = VPX_CS_SMPTE_170; break;
488  case AVCOL_SPC_SMPTE240M: vpx_cs = VPX_CS_SMPTE_240; break;
489  case AVCOL_SPC_BT2020_NCL: vpx_cs = VPX_CS_BT_2020; break;
490  default:
491  av_log(avctx, AV_LOG_WARNING, "Unsupported colorspace (%d)\n",
492  avctx->colorspace);
493  return;
494  }
495  }
496  codecctl_int(avctx, VP9E_SET_COLOR_SPACE, vpx_cs);
497 }
498 
499 #if VPX_ENCODER_ABI_VERSION >= 11
500 static void set_color_range(AVCodecContext *avctx)
501 {
502  enum vpx_color_range vpx_cr;
503  switch (avctx->color_range) {
505  case AVCOL_RANGE_MPEG: vpx_cr = VPX_CR_STUDIO_RANGE; break;
506  case AVCOL_RANGE_JPEG: vpx_cr = VPX_CR_FULL_RANGE; break;
507  default:
508  av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
509  avctx->color_range);
510  return;
511  }
512 
513  codecctl_int(avctx, VP9E_SET_COLOR_RANGE, vpx_cr);
514 }
515 #endif
516 #endif
517 
518 /**
519  * Set the target bitrate to VPX library default. Also set CRF to 32 if needed.
520  */
521 static void set_vp8_defaults(AVCodecContext *avctx,
522  struct vpx_codec_enc_cfg *enccfg)
523 {
524  VPxContext *ctx = avctx->priv_data;
525  av_assert0(!avctx->bit_rate);
526  avctx->bit_rate = enccfg->rc_target_bitrate * 1000;
527  if (enccfg->rc_end_usage == VPX_CQ) {
528  av_log(avctx, AV_LOG_WARNING,
529  "Bitrate not specified for constrained quality mode, using default of %dkbit/sec\n",
530  enccfg->rc_target_bitrate);
531  } else {
532  enccfg->rc_end_usage = VPX_CQ;
533  ctx->crf = 32;
534  av_log(avctx, AV_LOG_WARNING,
535  "Neither bitrate nor constrained quality specified, using default CRF of %d and bitrate of %dkbit/sec\n",
536  ctx->crf, enccfg->rc_target_bitrate);
537  }
538 }
539 
540 
541 #if CONFIG_LIBVPX_VP9_ENCODER
542 /**
543  * Keep the target bitrate at 0 to engage constant quality mode. If CRF is not
544  * set, use 32.
545  */
546 static void set_vp9_defaults(AVCodecContext *avctx,
547  struct vpx_codec_enc_cfg *enccfg)
548 {
549  VPxContext *ctx = avctx->priv_data;
550  av_assert0(!avctx->bit_rate);
551  if (enccfg->rc_end_usage != VPX_Q && ctx->lossless < 0) {
552  enccfg->rc_end_usage = VPX_Q;
553  ctx->crf = 32;
554  av_log(avctx, AV_LOG_WARNING,
555  "Neither bitrate nor constrained quality specified, using default CRF of %d\n",
556  ctx->crf);
557  }
558 }
559 #endif
560 
561 /**
562  * Called when the bitrate is not set. It sets appropriate default values for
563  * bitrate and CRF.
564  */
565 static void set_vpx_defaults(AVCodecContext *avctx,
566  struct vpx_codec_enc_cfg *enccfg)
567 {
568  av_assert0(!avctx->bit_rate);
569 #if CONFIG_LIBVPX_VP9_ENCODER
570  if (avctx->codec_id == AV_CODEC_ID_VP9) {
571  set_vp9_defaults(avctx, enccfg);
572  return;
573  }
574 #endif
575  set_vp8_defaults(avctx, enccfg);
576 }
577 
578 static av_cold int vpx_init(AVCodecContext *avctx,
579  const struct vpx_codec_iface *iface)
580 {
581  VPxContext *ctx = avctx->priv_data;
582  struct vpx_codec_enc_cfg enccfg = { 0 };
583  struct vpx_codec_enc_cfg enccfg_alpha;
584  vpx_codec_flags_t flags = (avctx->flags & AV_CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0;
585  AVCPBProperties *cpb_props;
586  int res;
587  vpx_img_fmt_t img_fmt = VPX_IMG_FMT_I420;
588 #if CONFIG_LIBVPX_VP9_ENCODER
589  vpx_codec_caps_t codec_caps = vpx_codec_get_caps(iface);
590 #endif
591 
592  av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
593  av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
594 
595  if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P)
596  ctx->is_alpha = 1;
597 
598  if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
599  av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
600  vpx_codec_err_to_string(res));
601  return AVERROR(EINVAL);
602  }
603 
604 #if CONFIG_LIBVPX_VP9_ENCODER
605  if (avctx->codec_id == AV_CODEC_ID_VP9) {
606  if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
607  return AVERROR(EINVAL);
608  }
609 #endif
610 
611  if(!avctx->bit_rate)
612  if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
613  av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
614  return AVERROR(EINVAL);
615  }
616 
617  dump_enc_cfg(avctx, &enccfg);
618 
619  enccfg.g_w = avctx->width;
620  enccfg.g_h = avctx->height;
621  enccfg.g_timebase.num = avctx->time_base.num;
622  enccfg.g_timebase.den = avctx->time_base.den;
623  enccfg.g_threads =
624  FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 16);
625  enccfg.g_lag_in_frames= ctx->lag_in_frames;
626 
627  if (avctx->flags & AV_CODEC_FLAG_PASS1)
628  enccfg.g_pass = VPX_RC_FIRST_PASS;
629  else if (avctx->flags & AV_CODEC_FLAG_PASS2)
630  enccfg.g_pass = VPX_RC_LAST_PASS;
631  else
632  enccfg.g_pass = VPX_RC_ONE_PASS;
633 
634  if (avctx->rc_min_rate == avctx->rc_max_rate &&
635  avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
636  enccfg.rc_end_usage = VPX_CBR;
637  } else if (ctx->crf >= 0) {
638  enccfg.rc_end_usage = VPX_CQ;
639 #if CONFIG_LIBVPX_VP9_ENCODER
640  if (!avctx->bit_rate && avctx->codec_id == AV_CODEC_ID_VP9)
641  enccfg.rc_end_usage = VPX_Q;
642 #endif
643  }
644 
645  if (avctx->bit_rate) {
646  enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
648  } else {
649  // Set bitrate to default value. Also sets CRF to default if needed.
650  set_vpx_defaults(avctx, &enccfg);
651  }
652 
653  if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->lossless == 1) {
654  enccfg.rc_min_quantizer =
655  enccfg.rc_max_quantizer = 0;
656  } else {
657  if (avctx->qmin >= 0)
658  enccfg.rc_min_quantizer = avctx->qmin;
659  if (avctx->qmax >= 0)
660  enccfg.rc_max_quantizer = avctx->qmax;
661  }
662 
663  if (enccfg.rc_end_usage == VPX_CQ
664 #if CONFIG_LIBVPX_VP9_ENCODER
665  || enccfg.rc_end_usage == VPX_Q
666 #endif
667  ) {
668  if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
669  av_log(avctx, AV_LOG_ERROR,
670  "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
671  ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
672  return AVERROR(EINVAL);
673  }
674  }
675 
676 #if FF_API_PRIVATE_OPT
678  if (avctx->frame_skip_threshold)
679  ctx->drop_threshold = avctx->frame_skip_threshold;
681 #endif
682  enccfg.rc_dropframe_thresh = ctx->drop_threshold;
683 
684  //0-100 (0 => CBR, 100 => VBR)
685  enccfg.rc_2pass_vbr_bias_pct = lrint(avctx->qcompress * 100);
686  if (avctx->bit_rate)
687  enccfg.rc_2pass_vbr_minsection_pct =
688  avctx->rc_min_rate * 100LL / avctx->bit_rate;
689  if (avctx->rc_max_rate)
690  enccfg.rc_2pass_vbr_maxsection_pct =
691  avctx->rc_max_rate * 100LL / avctx->bit_rate;
692 #if CONFIG_LIBVPX_VP9_ENCODER
693  if (avctx->codec_id == AV_CODEC_ID_VP9) {
694 #if VPX_ENCODER_ABI_VERSION >= 14
695  if (ctx->corpus_complexity >= 0)
696  enccfg.rc_2pass_vbr_corpus_complexity = ctx->corpus_complexity;
697 #endif
698  }
699 #endif
700 
701  if (avctx->rc_buffer_size)
702  enccfg.rc_buf_sz =
703  avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
704  if (avctx->rc_initial_buffer_occupancy)
705  enccfg.rc_buf_initial_sz =
706  avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
707  enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
708  if (ctx->rc_undershoot_pct >= 0)
709  enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
710  if (ctx->rc_overshoot_pct >= 0)
711  enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
712 
713  //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
714  if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
715  enccfg.kf_min_dist = avctx->keyint_min;
716  if (avctx->gop_size >= 0)
717  enccfg.kf_max_dist = avctx->gop_size;
718 
719  if (enccfg.g_pass == VPX_RC_FIRST_PASS)
720  enccfg.g_lag_in_frames = 0;
721  else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
722  int decode_size, ret;
723 
724  if (!avctx->stats_in) {
725  av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
726  return AVERROR_INVALIDDATA;
727  }
728 
729  ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
730  ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
731  if (ret < 0) {
732  av_log(avctx, AV_LOG_ERROR,
733  "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
734  ctx->twopass_stats.sz);
735  ctx->twopass_stats.sz = 0;
736  return ret;
737  }
738  decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
739  ctx->twopass_stats.sz);
740  if (decode_size < 0) {
741  av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
742  return AVERROR_INVALIDDATA;
743  }
744 
745  ctx->twopass_stats.sz = decode_size;
746  enccfg.rc_twopass_stats_in = ctx->twopass_stats;
747  }
748 
749  /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
750  complexity playback on low powered devices at the expense of encode
751  quality. */
752  if (avctx->profile != FF_PROFILE_UNKNOWN)
753  enccfg.g_profile = avctx->profile;
754 
755  enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT;
756 
757  if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8 && ctx->vp8_ts_parameters) {
758  AVDictionary *dict = NULL;
759  AVDictionaryEntry* en = NULL;
760 
761  if (!av_dict_parse_string(&dict, ctx->vp8_ts_parameters, "=", ":", 0)) {
762  while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
763  if (vp8_ts_param_parse(&enccfg, en->key, en->value) < 0)
764  av_log(avctx, AV_LOG_WARNING,
765  "Error parsing option '%s = %s'.\n",
766  en->key, en->value);
767  }
768 
769  av_dict_free(&dict);
770  }
771  }
772 
773  dump_enc_cfg(avctx, &enccfg);
774  /* Construct Encoder Context */
775  res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
776  if (res != VPX_CODEC_OK) {
777  log_encoder_error(avctx, "Failed to initialize encoder");
778  return AVERROR(EINVAL);
779  }
780 
781  if (ctx->is_alpha) {
782  enccfg_alpha = enccfg;
783  res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags);
784  if (res != VPX_CODEC_OK) {
785  log_encoder_error(avctx, "Failed to initialize alpha encoder");
786  return AVERROR(EINVAL);
787  }
788  }
789 
790  //codec control failures are currently treated only as warnings
791  av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
792  codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
793  if (ctx->flags & VP8F_AUTO_ALT_REF)
794  ctx->auto_alt_ref = 1;
795  if (ctx->auto_alt_ref >= 0)
796  codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF,
797  avctx->codec_id == AV_CODEC_ID_VP8 ? !!ctx->auto_alt_ref : ctx->auto_alt_ref);
798  if (ctx->arnr_max_frames >= 0)
799  codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
800  if (ctx->arnr_strength >= 0)
801  codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
802  if (ctx->arnr_type >= 0)
803  codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
804  if (ctx->tune >= 0)
805  codecctl_int(avctx, VP8E_SET_TUNING, ctx->tune);
806 
807  if (ctx->auto_alt_ref && ctx->is_alpha && avctx->codec_id == AV_CODEC_ID_VP8) {
808  av_log(avctx, AV_LOG_ERROR, "Transparency encoding with auto_alt_ref does not work\n");
809  return AVERROR(EINVAL);
810  }
811 
812  if (ctx->sharpness >= 0)
813  codecctl_int(avctx, VP8E_SET_SHARPNESS, ctx->sharpness);
814 
815  if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
816 #if FF_API_PRIVATE_OPT
818  if (avctx->noise_reduction)
819  ctx->noise_sensitivity = avctx->noise_reduction;
821 #endif
822  codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, ctx->noise_sensitivity);
823  codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
824  }
825  codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
826  if (ctx->crf >= 0)
827  codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
828  if (ctx->max_intra_rate >= 0)
829  codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
830 
831 #if CONFIG_LIBVPX_VP9_ENCODER
832  if (avctx->codec_id == AV_CODEC_ID_VP9) {
833  if (ctx->lossless >= 0)
834  codecctl_int(avctx, VP9E_SET_LOSSLESS, ctx->lossless);
835  if (ctx->tile_columns >= 0)
836  codecctl_int(avctx, VP9E_SET_TILE_COLUMNS, ctx->tile_columns);
837  if (ctx->tile_rows >= 0)
838  codecctl_int(avctx, VP9E_SET_TILE_ROWS, ctx->tile_rows);
839  if (ctx->frame_parallel >= 0)
840  codecctl_int(avctx, VP9E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
841  if (ctx->aq_mode >= 0)
842  codecctl_int(avctx, VP9E_SET_AQ_MODE, ctx->aq_mode);
843  set_colorspace(avctx);
844 #if VPX_ENCODER_ABI_VERSION >= 11
845  set_color_range(avctx);
846 #endif
847 #if VPX_ENCODER_ABI_VERSION >= 12
848  codecctl_int(avctx, VP9E_SET_TARGET_LEVEL, ctx->level < 0 ? 255 : lrint(ctx->level * 10));
849 #endif
850 #ifdef VPX_CTRL_VP9E_SET_ROW_MT
851  if (ctx->row_mt >= 0)
852  codecctl_int(avctx, VP9E_SET_ROW_MT, ctx->row_mt);
853 #endif
854 #ifdef VPX_CTRL_VP9E_SET_TUNE_CONTENT
855  if (ctx->tune_content >= 0)
856  codecctl_int(avctx, VP9E_SET_TUNE_CONTENT, ctx->tune_content);
857 #endif
858 #ifdef VPX_CTRL_VP9E_SET_TPL
859  if (ctx->tpl_model >= 0)
860  codecctl_int(avctx, VP9E_SET_TPL, ctx->tpl_model);
861 #endif
862  }
863 #endif
864 
865  av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
866 
867  //provide dummy value to initialize wrapper, values will be updated each _encode()
868  vpx_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
869  (unsigned char*)1);
870 #if CONFIG_LIBVPX_VP9_ENCODER
871  if (avctx->codec_id == AV_CODEC_ID_VP9 && (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH))
872  ctx->rawimg.bit_depth = enccfg.g_bit_depth;
873 #endif
874 
875  if (ctx->is_alpha)
876  vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
877  (unsigned char*)1);
878 
879  cpb_props = ff_add_cpb_side_data(avctx);
880  if (!cpb_props)
881  return AVERROR(ENOMEM);
882 
883  if (enccfg.rc_end_usage == VPX_CBR ||
884  enccfg.g_pass != VPX_RC_ONE_PASS) {
885  cpb_props->max_bitrate = avctx->rc_max_rate;
886  cpb_props->min_bitrate = avctx->rc_min_rate;
887  cpb_props->avg_bitrate = avctx->bit_rate;
888  }
889  cpb_props->buffer_size = avctx->rc_buffer_size;
890 
891  return 0;
892 }
893 
894 static inline void cx_pktcpy(struct FrameListData *dst,
895  const struct vpx_codec_cx_pkt *src,
896  const struct vpx_codec_cx_pkt *src_alpha,
897  VPxContext *ctx)
898 {
899  dst->pts = src->data.frame.pts;
900  dst->duration = src->data.frame.duration;
901  dst->flags = src->data.frame.flags;
902  dst->sz = src->data.frame.sz;
903  dst->buf = src->data.frame.buf;
904  dst->have_sse = 0;
905  /* For alt-ref frame, don't store PSNR or increment frame_number */
906  if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) {
907  dst->frame_number = ++ctx->frame_number;
908  dst->have_sse = ctx->have_sse;
909  if (ctx->have_sse) {
910  /* associate last-seen SSE to the frame. */
911  /* Transfers ownership from ctx to dst. */
912  /* WARNING! This makes the assumption that PSNR_PKT comes
913  just before the frame it refers to! */
914  memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
915  ctx->have_sse = 0;
916  }
917  } else {
918  dst->frame_number = -1; /* sanity marker */
919  }
920  if (src_alpha) {
921  dst->buf_alpha = src_alpha->data.frame.buf;
922  dst->sz_alpha = src_alpha->data.frame.sz;
923  } else {
924  dst->buf_alpha = NULL;
925  dst->sz_alpha = 0;
926  }
927 }
928 
929 /**
930  * Store coded frame information in format suitable for return from encode2().
931  *
932  * Write information from @a cx_frame to @a pkt
933  * @return packet data size on success
934  * @return a negative AVERROR on error
935  */
936 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
937  AVPacket *pkt)
938 {
939  int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
940  uint8_t *side_data;
941  if (ret >= 0) {
942  int pict_type;
943  memcpy(pkt->data, cx_frame->buf, pkt->size);
944  pkt->pts = pkt->dts = cx_frame->pts;
945 #if FF_API_CODED_FRAME
947  avctx->coded_frame->pts = cx_frame->pts;
948  avctx->coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
950 #endif
951 
952  if (!!(cx_frame->flags & VPX_FRAME_IS_KEY)) {
953  pict_type = AV_PICTURE_TYPE_I;
954 #if FF_API_CODED_FRAME
956  avctx->coded_frame->pict_type = pict_type;
958 #endif
959  pkt->flags |= AV_PKT_FLAG_KEY;
960  } else {
961  pict_type = AV_PICTURE_TYPE_P;
962 #if FF_API_CODED_FRAME
964  avctx->coded_frame->pict_type = pict_type;
966 #endif
967  }
968 
969  ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
970  cx_frame->have_sse ? 3 : 0, pict_type);
971 
972  if (cx_frame->have_sse) {
973  int i;
974  /* Beware of the Y/U/V/all order! */
975 #if FF_API_CODED_FRAME
977  avctx->coded_frame->error[0] = cx_frame->sse[1];
978  avctx->coded_frame->error[1] = cx_frame->sse[2];
979  avctx->coded_frame->error[2] = cx_frame->sse[3];
980  avctx->coded_frame->error[3] = 0; // alpha
982 #endif
983  for (i = 0; i < 3; ++i) {
984  avctx->error[i] += cx_frame->sse[i + 1];
985  }
986  cx_frame->have_sse = 0;
987  }
988  if (cx_frame->sz_alpha > 0) {
989  side_data = av_packet_new_side_data(pkt,
991  cx_frame->sz_alpha + 8);
992  if(!side_data) {
993  av_packet_unref(pkt);
994  av_free(pkt);
995  return AVERROR(ENOMEM);
996  }
997  AV_WB64(side_data, 1);
998  memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha);
999  }
1000  } else {
1001  return ret;
1002  }
1003  return pkt->size;
1004 }
1005 
1006 /**
1007  * Queue multiple output frames from the encoder, returning the front-most.
1008  * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
1009  * the frame queue. Return the head frame if available.
1010  * @return Stored frame size
1011  * @return AVERROR(EINVAL) on output size error
1012  * @return AVERROR(ENOMEM) on coded frame queue data allocation error
1013  */
1014 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
1015 {
1016  VPxContext *ctx = avctx->priv_data;
1017  const struct vpx_codec_cx_pkt *pkt;
1018  const struct vpx_codec_cx_pkt *pkt_alpha = NULL;
1019  const void *iter = NULL;
1020  const void *iter_alpha = NULL;
1021  int size = 0;
1022 
1023  if (ctx->coded_frame_list) {
1024  struct FrameListData *cx_frame = ctx->coded_frame_list;
1025  /* return the leading frame if we've already begun queueing */
1026  size = storeframe(avctx, cx_frame, pkt_out);
1027  if (size < 0)
1028  return size;
1029  ctx->coded_frame_list = cx_frame->next;
1030  free_coded_frame(cx_frame);
1031  }
1032 
1033  /* consume all available output from the encoder before returning. buffers
1034  are only good through the next vpx_codec call */
1035  while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
1036  (!ctx->is_alpha ||
1037  (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha)))) {
1038  switch (pkt->kind) {
1039  case VPX_CODEC_CX_FRAME_PKT:
1040  if (!size) {
1041  struct FrameListData cx_frame;
1042 
1043  /* avoid storing the frame when the list is empty and we haven't yet
1044  provided a frame for output */
1046  cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx);
1047  size = storeframe(avctx, &cx_frame, pkt_out);
1048  if (size < 0)
1049  return size;
1050  } else {
1051  struct FrameListData *cx_frame =
1052  av_malloc(sizeof(struct FrameListData));
1053 
1054  if (!cx_frame) {
1055  av_log(avctx, AV_LOG_ERROR,
1056  "Frame queue element alloc failed\n");
1057  return AVERROR(ENOMEM);
1058  }
1059  cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx);
1060  cx_frame->buf = av_malloc(cx_frame->sz);
1061 
1062  if (!cx_frame->buf) {
1063  av_log(avctx, AV_LOG_ERROR,
1064  "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
1065  cx_frame->sz);
1066  av_freep(&cx_frame);
1067  return AVERROR(ENOMEM);
1068  }
1069  memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
1070  if (ctx->is_alpha) {
1071  cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha);
1072  if (!cx_frame->buf_alpha) {
1073  av_log(avctx, AV_LOG_ERROR,
1074  "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
1075  cx_frame->sz_alpha);
1076  av_free(cx_frame);
1077  return AVERROR(ENOMEM);
1078  }
1079  memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz);
1080  }
1081  coded_frame_add(&ctx->coded_frame_list, cx_frame);
1082  }
1083  break;
1084  case VPX_CODEC_STATS_PKT: {
1085  struct vpx_fixed_buf *stats = &ctx->twopass_stats;
1086  int err;
1087  if ((err = av_reallocp(&stats->buf,
1088  stats->sz +
1089  pkt->data.twopass_stats.sz)) < 0) {
1090  stats->sz = 0;
1091  av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
1092  return err;
1093  }
1094  memcpy((uint8_t*)stats->buf + stats->sz,
1095  pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
1096  stats->sz += pkt->data.twopass_stats.sz;
1097  break;
1098  }
1099  case VPX_CODEC_PSNR_PKT:
1100  av_assert0(!ctx->have_sse);
1101  ctx->sse[0] = pkt->data.psnr.sse[0];
1102  ctx->sse[1] = pkt->data.psnr.sse[1];
1103  ctx->sse[2] = pkt->data.psnr.sse[2];
1104  ctx->sse[3] = pkt->data.psnr.sse[3];
1105  ctx->have_sse = 1;
1106  break;
1107  case VPX_CODEC_CUSTOM_PKT:
1108  //ignore unsupported/unrecognized packet types
1109  break;
1110  }
1111  }
1112 
1113  return size;
1114 }
1115 
1116 static int set_roi_map(AVCodecContext *avctx, const AVFrameSideData *sd, int frame_width, int frame_height,
1117  vpx_roi_map_t *roi_map, int block_size, int segment_cnt)
1118 {
1119  /**
1120  * range of vpx_roi_map_t.delta_q[i] is [-63, 63]
1121  */
1122 #define MAX_DELTA_Q 63
1123 
1124  const AVRegionOfInterest *roi = NULL;
1125  int nb_rois;
1126  uint32_t self_size;
1127  int segment_id;
1128 
1129  /* record the mapping from delta_q to "segment id + 1" in segment_mapping[].
1130  * the range of delta_q is [-MAX_DELTA_Q, MAX_DELTA_Q],
1131  * and its corresponding array index is [0, 2 * MAX_DELTA_Q],
1132  * and so the length of the mapping array is 2 * MAX_DELTA_Q + 1.
1133  * "segment id + 1", so we can say there's no mapping if the value of array element is zero.
1134  */
1135  int segment_mapping[2 * MAX_DELTA_Q + 1] = { 0 };
1136 
1137  memset(roi_map, 0, sizeof(*roi_map));
1138 
1139  /* segment id 0 in roi_map is reserved for the areas not covered by AVRegionOfInterest.
1140  * segment id 0 in roi_map is also for the areas with AVRegionOfInterest.qoffset near 0.
1141  * (delta_q of segment id 0 is 0).
1142  */
1143  segment_mapping[MAX_DELTA_Q] = 1;
1144  segment_id = 1;
1145 
1146  roi = (const AVRegionOfInterest*)sd->data;
1147  self_size = roi->self_size;
1148  if (!self_size || sd->size % self_size) {
1149  av_log(avctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
1150  return AVERROR(EINVAL);
1151  }
1152  nb_rois = sd->size / self_size;
1153 
1154  /* This list must be iterated from zero because regions are
1155  * defined in order of decreasing importance. So discard less
1156  * important areas if they exceed the segment count.
1157  */
1158  for (int i = 0; i < nb_rois; i++) {
1159  int delta_q;
1160  int mapping_index;
1161 
1162  roi = (const AVRegionOfInterest*)(sd->data + self_size * i);
1163  if (!roi->qoffset.den) {
1164  av_log(avctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
1165  return AVERROR(EINVAL);
1166  }
1167 
1168  delta_q = (int)(roi->qoffset.num * 1.0f / roi->qoffset.den * MAX_DELTA_Q);
1169  delta_q = av_clip(delta_q, -MAX_DELTA_Q, MAX_DELTA_Q);
1170 
1171  mapping_index = delta_q + MAX_DELTA_Q;
1172  if (!segment_mapping[mapping_index]) {
1173  if (segment_id == segment_cnt) {
1174  av_log(avctx, AV_LOG_WARNING,
1175  "ROI only supports %d segments (and segment 0 is reserved for non-ROIs), skipping the left ones.\n",
1176  segment_cnt);
1177  break;
1178  }
1179 
1180  segment_mapping[mapping_index] = segment_id + 1;
1181  roi_map->delta_q[segment_id] = delta_q;
1182  segment_id++;
1183  }
1184  }
1185 
1186  roi_map->rows = (frame_height + block_size - 1) / block_size;
1187  roi_map->cols = (frame_width + block_size - 1) / block_size;
1188  roi_map->roi_map = av_mallocz_array(roi_map->rows * roi_map->cols, sizeof(*roi_map->roi_map));
1189  if (!roi_map->roi_map) {
1190  av_log(avctx, AV_LOG_ERROR, "roi_map alloc failed.\n");
1191  return AVERROR(ENOMEM);
1192  }
1193 
1194  /* This list must be iterated in reverse, so for the case that
1195  * two regions are overlapping, the more important area takes effect.
1196  */
1197  for (int i = nb_rois - 1; i >= 0; i--) {
1198  int delta_q;
1199  int mapping_value;
1200  int starty, endy, startx, endx;
1201 
1202  roi = (const AVRegionOfInterest*)(sd->data + self_size * i);
1203 
1204  starty = av_clip(roi->top / block_size, 0, roi_map->rows);
1205  endy = av_clip((roi->bottom + block_size - 1) / block_size, 0, roi_map->rows);
1206  startx = av_clip(roi->left / block_size, 0, roi_map->cols);
1207  endx = av_clip((roi->right + block_size - 1) / block_size, 0, roi_map->cols);
1208 
1209  delta_q = (int)(roi->qoffset.num * 1.0f / roi->qoffset.den * MAX_DELTA_Q);
1210  delta_q = av_clip(delta_q, -MAX_DELTA_Q, MAX_DELTA_Q);
1211 
1212  mapping_value = segment_mapping[delta_q + MAX_DELTA_Q];
1213  if (mapping_value) {
1214  for (int y = starty; y < endy; y++)
1215  for (int x = startx; x < endx; x++)
1216  roi_map->roi_map[x + y * roi_map->cols] = mapping_value - 1;
1217  }
1218  }
1219 
1220  return 0;
1221 }
1222 
1223 static int vp9_encode_set_roi(AVCodecContext *avctx, int frame_width, int frame_height, const AVFrameSideData *sd)
1224 {
1225  VPxContext *ctx = avctx->priv_data;
1226 
1227 #ifdef VPX_CTRL_VP9E_SET_ROI_MAP
1228  int version = vpx_codec_version();
1229  int major = VPX_VERSION_MAJOR(version);
1230  int minor = VPX_VERSION_MINOR(version);
1231  int patch = VPX_VERSION_PATCH(version);
1232 
1233  if (major > 1 || (major == 1 && minor > 8) || (major == 1 && minor == 8 && patch >= 1)) {
1234  vpx_roi_map_t roi_map;
1235  const int segment_cnt = 8;
1236  const int block_size = 8;
1237  int ret;
1238 
1239  if (ctx->aq_mode > 0 || ctx->cpu_used < 5 || ctx->deadline != VPX_DL_REALTIME) {
1240  if (!ctx->roi_warned) {
1241  ctx->roi_warned = 1;
1242  av_log(avctx, AV_LOG_WARNING, "ROI is only enabled when aq_mode is 0, cpu_used >= 5 "
1243  "and deadline is REALTIME, so skipping ROI.\n");
1244  return AVERROR(EINVAL);
1245  }
1246  }
1247 
1248  ret = set_roi_map(avctx, sd, frame_width, frame_height, &roi_map, block_size, segment_cnt);
1249  if (ret) {
1250  log_encoder_error(avctx, "Failed to set_roi_map.\n");
1251  return ret;
1252  }
1253 
1254  memset(roi_map.ref_frame, -1, sizeof(roi_map.ref_frame));
1255 
1256  if (vpx_codec_control(&ctx->encoder, VP9E_SET_ROI_MAP, &roi_map)) {
1257  log_encoder_error(avctx, "Failed to set VP9E_SET_ROI_MAP codec control.\n");
1258  ret = AVERROR_INVALIDDATA;
1259  }
1260  av_freep(&roi_map.roi_map);
1261  return ret;
1262  }
1263 #endif
1264 
1265  if (!ctx->roi_warned) {
1266  ctx->roi_warned = 1;
1267  av_log(avctx, AV_LOG_WARNING, "ROI is not supported, please upgrade libvpx to version >= 1.8.1. "
1268  "You may need to rebuild ffmpeg.\n");
1269  }
1270  return 0;
1271 }
1272 
1273 static int vp8_encode_set_roi(AVCodecContext *avctx, int frame_width, int frame_height, const AVFrameSideData *sd)
1274 {
1275  vpx_roi_map_t roi_map;
1276  const int segment_cnt = 4;
1277  const int block_size = 16;
1278  VPxContext *ctx = avctx->priv_data;
1279 
1280  int ret = set_roi_map(avctx, sd, frame_width, frame_height, &roi_map, block_size, segment_cnt);
1281  if (ret) {
1282  log_encoder_error(avctx, "Failed to set_roi_map.\n");
1283  return ret;
1284  }
1285 
1286  if (vpx_codec_control(&ctx->encoder, VP8E_SET_ROI_MAP, &roi_map)) {
1287  log_encoder_error(avctx, "Failed to set VP8E_SET_ROI_MAP codec control.\n");
1288  ret = AVERROR_INVALIDDATA;
1289  }
1290 
1291  av_freep(&roi_map.roi_map);
1292  return ret;
1293 }
1294 
1296  const AVFrame *frame, int *got_packet)
1297 {
1298  VPxContext *ctx = avctx->priv_data;
1299  struct vpx_image *rawimg = NULL;
1300  struct vpx_image *rawimg_alpha = NULL;
1301  int64_t timestamp = 0;
1302  int res, coded_size;
1303  vpx_enc_frame_flags_t flags = 0;
1304 
1305  if (frame) {
1307  rawimg = &ctx->rawimg;
1308  rawimg->planes[VPX_PLANE_Y] = frame->data[0];
1309  rawimg->planes[VPX_PLANE_U] = frame->data[1];
1310  rawimg->planes[VPX_PLANE_V] = frame->data[2];
1311  rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
1312  rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
1313  rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
1314  if (ctx->is_alpha) {
1315  uint8_t *u_plane, *v_plane;
1316  rawimg_alpha = &ctx->rawimg_alpha;
1317  rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3];
1318  u_plane = av_malloc(frame->linesize[1] * frame->height);
1319  v_plane = av_malloc(frame->linesize[2] * frame->height);
1320  if (!u_plane || !v_plane) {
1321  av_free(u_plane);
1322  av_free(v_plane);
1323  return AVERROR(ENOMEM);
1324  }
1325  memset(u_plane, 0x80, frame->linesize[1] * frame->height);
1326  rawimg_alpha->planes[VPX_PLANE_U] = u_plane;
1327  memset(v_plane, 0x80, frame->linesize[2] * frame->height);
1328  rawimg_alpha->planes[VPX_PLANE_V] = v_plane;
1329  rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[0];
1330  rawimg_alpha->stride[VPX_PLANE_U] = frame->linesize[1];
1331  rawimg_alpha->stride[VPX_PLANE_V] = frame->linesize[2];
1332  }
1333  timestamp = frame->pts;
1334 #if VPX_IMAGE_ABI_VERSION >= 4
1335  switch (frame->color_range) {
1336  case AVCOL_RANGE_MPEG:
1337  rawimg->range = VPX_CR_STUDIO_RANGE;
1338  break;
1339  case AVCOL_RANGE_JPEG:
1340  rawimg->range = VPX_CR_FULL_RANGE;
1341  break;
1342  }
1343 #endif
1344  if (frame->pict_type == AV_PICTURE_TYPE_I)
1345  flags |= VPX_EFLAG_FORCE_KF;
1346  if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8 && frame->metadata) {
1347  AVDictionaryEntry* en = av_dict_get(frame->metadata, "vp8-flags", NULL, 0);
1348  if (en) {
1349  flags |= strtoul(en->value, NULL, 10);
1350  }
1351  }
1352 
1353  if (sd) {
1354  if (avctx->codec_id == AV_CODEC_ID_VP8) {
1355  vp8_encode_set_roi(avctx, frame->width, frame->height, sd);
1356  } else {
1357  vp9_encode_set_roi(avctx, frame->width, frame->height, sd);
1358  }
1359  }
1360  }
1361 
1362  res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
1363  avctx->ticks_per_frame, flags, ctx->deadline);
1364  if (res != VPX_CODEC_OK) {
1365  log_encoder_error(avctx, "Error encoding frame");
1366  return AVERROR_INVALIDDATA;
1367  }
1368 
1369  if (ctx->is_alpha) {
1370  res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp,
1371  avctx->ticks_per_frame, flags, ctx->deadline);
1372  if (res != VPX_CODEC_OK) {
1373  log_encoder_error(avctx, "Error encoding alpha frame");
1374  return AVERROR_INVALIDDATA;
1375  }
1376  }
1377 
1378  coded_size = queue_frames(avctx, pkt);
1379 
1380  if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
1381  unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
1382 
1383  avctx->stats_out = av_malloc(b64_size);
1384  if (!avctx->stats_out) {
1385  av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
1386  b64_size);
1387  return AVERROR(ENOMEM);
1388  }
1389  av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
1390  ctx->twopass_stats.sz);
1391  }
1392 
1393  if (rawimg_alpha) {
1394  av_freep(&rawimg_alpha->planes[VPX_PLANE_U]);
1395  av_freep(&rawimg_alpha->planes[VPX_PLANE_V]);
1396  }
1397 
1398  *got_packet = !!coded_size;
1399  return 0;
1400 }
1401 
1402 #define OFFSET(x) offsetof(VPxContext, x)
1403 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1404 
1405 #define COMMON_OPTIONS \
1406  { "lag-in-frames", "Number of frames to look ahead for " \
1407  "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1408  { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1409  { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1410  { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"}, \
1411  { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" }, \
1412  { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" }, \
1413  { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" }, \
1414  { "tune", "Tune the encoding to a specific scenario", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "tune"}, \
1415  { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_PSNR}, 0, 0, VE, "tune"}, \
1416  { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_SSIM}, 0, 0, VE, "tune"}, \
1417  { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1418  { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, \
1419  { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, \
1420  { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, \
1421  { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, \
1422  { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1423  { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, \
1424  { "partitions", "The frame partitions are independently decodable " \
1425  "by the bool decoder, meaning that partitions can be decoded even " \
1426  "though earlier partitions have been lost. Note that intra predicition" \
1427  " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
1428  { "crf", "Select the quality for constant quality mode", offsetof(VPxContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
1429  { "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 }, \
1430  { "drop-threshold", "Frame drop threshold", offsetof(VPxContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE }, \
1431  { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE}, \
1432  { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, VE }, \
1433  { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE }, \
1434 
1435 #define LEGACY_OPTIONS \
1436  {"speed", "", offsetof(VPxContext, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
1437  {"quality", "", offsetof(VPxContext, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1438  {"vp8flags", "", offsetof(VPxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, \
1439  {"error_resilient", "enable error resilience", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, \
1440  {"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"}, \
1441  {"arnr_max_frames", "altref noise reduction max frame count", offsetof(VPxContext, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, \
1442  {"arnr_strength", "altref noise reduction filter strength", offsetof(VPxContext, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
1443  {"arnr_type", "altref noise reduction filter type", offsetof(VPxContext, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
1444  {"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}, \
1445  {"sharpness", "Increase sharpness at the expense of lower PSNR", offsetof(VPxContext, sharpness), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, VE},
1446 
1447 #if CONFIG_LIBVPX_VP8_ENCODER
1448 static const AVOption vp8_options[] = {
1450  { "auto-alt-ref", "Enable use of alternate reference "
1451  "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1452  { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
1453  { "ts-parameters", "Temporal scaling configuration using a "
1454  ":-separated list of key=value parameters", OFFSET(vp8_ts_parameters), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1456  { NULL }
1457 };
1458 #endif
1459 
1460 #if CONFIG_LIBVPX_VP9_ENCODER
1461 static const AVOption vp9_options[] = {
1463  { "auto-alt-ref", "Enable use of alternate reference "
1464  "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1465  { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
1466  { "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
1467  { "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1468  { "tile-rows", "Number of tile rows to use, log2", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1469  { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL,{.i64 = -1}, -1, 1, VE},
1470 #if VPX_ENCODER_ABI_VERSION >= 12
1471  { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 4, VE, "aq_mode"},
1472 #else
1473  { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 3, VE, "aq_mode"},
1474 #endif
1475  { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode" },
1476  { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode" },
1477  { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode" },
1478  { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode" },
1479 #if VPX_ENCODER_ABI_VERSION >= 12
1480  { "equator360", "360 video Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 4}, 0, 0, VE, "aq_mode" },
1481  {"level", "Specify level", OFFSET(level), AV_OPT_TYPE_FLOAT, {.dbl=-1}, -1, 6.2, VE},
1482 #endif
1483 #ifdef VPX_CTRL_VP9E_SET_ROW_MT
1484  {"row-mt", "Row based multi-threading", OFFSET(row_mt), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1485 #endif
1486 #ifdef VPX_CTRL_VP9E_SET_TUNE_CONTENT
1487 #if VPX_ENCODER_ABI_VERSION >= 14
1488  { "tune-content", "Tune content type", OFFSET(tune_content), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE, "tune_content" },
1489 #else
1490  { "tune-content", "Tune content type", OFFSET(tune_content), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE, "tune_content" },
1491 #endif
1492  { "default", "Regular video content", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "tune_content" },
1493  { "screen", "Screen capture content", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "tune_content" },
1494 #if VPX_ENCODER_ABI_VERSION >= 14
1495  { "film", "Film content; improves grain retention", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "tune_content" },
1496 #endif
1497 #endif
1498 #if VPX_ENCODER_ABI_VERSION >= 14
1499  { "corpus-complexity", "corpus vbr complexity midpoint", OFFSET(corpus_complexity), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 10000, VE },
1500 #endif
1501 #ifdef VPX_CTRL_VP9E_SET_TPL
1502  { "enable-tpl", "Enable temporal dependency model", OFFSET(tpl_model), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE },
1503 #endif
1505  { NULL }
1506 };
1507 #endif
1508 
1509 #undef COMMON_OPTIONS
1510 #undef LEGACY_OPTIONS
1511 
1512 static const AVCodecDefault defaults[] = {
1513  { "b", "0" },
1514  { "qmin", "-1" },
1515  { "qmax", "-1" },
1516  { "g", "-1" },
1517  { "keyint_min", "-1" },
1518  { NULL },
1519 };
1520 
1521 #if CONFIG_LIBVPX_VP8_ENCODER
1522 static av_cold int vp8_init(AVCodecContext *avctx)
1523 {
1524  return vpx_init(avctx, vpx_codec_vp8_cx());
1525 }
1526 
1527 static const AVClass class_vp8 = {
1528  .class_name = "libvpx-vp8 encoder",
1529  .item_name = av_default_item_name,
1530  .option = vp8_options,
1531  .version = LIBAVUTIL_VERSION_INT,
1532 };
1533 
1535  .name = "libvpx",
1536  .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
1537  .type = AVMEDIA_TYPE_VIDEO,
1538  .id = AV_CODEC_ID_VP8,
1539  .priv_data_size = sizeof(VPxContext),
1540  .init = vp8_init,
1541  .encode2 = vpx_encode,
1542  .close = vpx_free,
1545  .priv_class = &class_vp8,
1546  .defaults = defaults,
1547  .wrapper_name = "libvpx",
1548 };
1549 #endif /* CONFIG_LIBVPX_VP8_ENCODER */
1550 
1551 #if CONFIG_LIBVPX_VP9_ENCODER
1552 static av_cold int vp9_init(AVCodecContext *avctx)
1553 {
1554  return vpx_init(avctx, vpx_codec_vp9_cx());
1555 }
1556 
1557 static const AVClass class_vp9 = {
1558  .class_name = "libvpx-vp9 encoder",
1559  .item_name = av_default_item_name,
1560  .option = vp9_options,
1561  .version = LIBAVUTIL_VERSION_INT,
1562 };
1563 
1565  .name = "libvpx-vp9",
1566  .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
1567  .type = AVMEDIA_TYPE_VIDEO,
1568  .id = AV_CODEC_ID_VP9,
1569  .priv_data_size = sizeof(VPxContext),
1570  .init = vp9_init,
1571  .encode2 = vpx_encode,
1572  .close = vpx_free,
1575  .priv_class = &class_vp9,
1576  .defaults = defaults,
1577  .init_static_data = ff_vp9_init_static,
1578  .wrapper_name = "libvpx",
1579 };
1580 #endif /* CONFIG_LIBVPX_VP9_ENCODER */
uint8_t is_alpha
Definition: libvpxenc.c:70
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:499
struct vpx_image rawimg
Definition: libvpxenc.c:67
int arnr_max_frames
Definition: libvpxenc.c:89
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:863
static void set_vpx_defaults(AVCodecContext *avctx, struct vpx_codec_enc_cfg *enccfg)
Called when the bitrate is not set.
Definition: libvpxenc.c:565
int row_mt
Definition: libvpxenc.c:115
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
int top
Distance in pixels from the top edge of the frame to the top and bottom edges and from the left edge ...
Definition: frame.h:235
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:389
This structure describes decoded (raw) audio or video data.
Definition: frame.h:295
static av_cold int vpx_free(AVCodecContext *avctx)
Definition: libvpxenc.c:336
AVOption.
Definition: opt.h:246
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:720
int av_cpu_count(void)
Definition: cpu.c:267
uint64_t error[AV_NUM_DATA_POINTERS]
error
Definition: avcodec.h:2751
#define MAX_DELTA_Q
#define OFFSET(x)
Definition: libvpxenc.c:1402
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1618
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
int rc_overshoot_pct
Definition: libvpxenc.c:101
const char * desc
Definition: nvenc.c:68
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
struct FrameListData * coded_frame_list
Definition: libvpxenc.c:76
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1137
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:503
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition: avcodec.h:2474
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2203
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
int num
Numerator.
Definition: rational.h:59
int size
Definition: avcodec.h:1481
void * buf
compressed data buffer
Definition: libaomenc.c:47
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:403
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
int av_log2(unsigned v)
Definition: intmath.c:26
int aq_mode
Definition: libvpxenc.c:110
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:504
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1778
size_t sz
length of compressed data
Definition: libaomenc.c:48
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:391
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
Definition: avcodec.h:2595
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:894
const char * key
int version
Definition: avisynth_c.h:858
int frame_parallel
Definition: libvpxenc.c:109
int static_thresh
Definition: libvpxenc.c:98
static AVPacket pkt
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
Definition: avcodec.h:1052
#define src
Definition: vp8dsp.c:254
int profile
profile
Definition: avcodec.h:2901
AVCodec.
Definition: avcodec.h:3492
struct vpx_fixed_buf twopass_stats
Definition: libvpxenc.c:71
int error_resilient
Definition: libvpxenc.c:96
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:498
int tile_rows
Definition: libvpxenc.c:108
uint64_t frame_number
Definition: libvpxenc.c:75
int min_bitrate
Minimum bitrate of the stream, in bits per second.
Definition: avcodec.h:1146
functionally identical to above
Definition: pixfmt.h:505
AVRational qoffset
Quantisation offset.
Definition: frame.h:262
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1691
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:734
#define VP8F_AUTO_ALT_REF
Enable automatic alternate reference frame generation.
Definition: libvpxenc.c:85
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:1009
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
Definition: encode.c:32
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
struct FrameListData * next
Definition: libaomenc.c:57
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:292
#define av_malloc(s)
int64_t pts
time stamp to show frame (in timebase units)
Definition: libaomenc.c:49
AVOptions.
AVCodec ff_libvpx_vp8_encoder
static void coded_frame_add(void *list, struct FrameListData *cx_frame)
Definition: libvpxenc.c:263
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:108
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:388
Structure to hold side data for an AVFrame.
Definition: frame.h:201
int auto_alt_ref
Definition: libvpxenc.c:87
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
uint8_t * data
Definition: avcodec.h:1480
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
AVDictionary * metadata
metadata.
Definition: frame.h:581
int vpx_cs
Definition: libvpxenc.c:113
uint64_t sse[4]
Definition: libvpxenc.c:73
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1164
ptrdiff_t size
Definition: opengl_enc.c:100
uint32_t self_size
Must be set to the size of this data structure (that is, sizeof(AVRegionOfInterest)).
Definition: frame.h:225
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:392
char * stats_out
pass1 encoding statistics output buffer
Definition: avcodec.h:2587
attribute_deprecated uint64_t error[AV_NUM_DATA_POINTERS]
Definition: frame.h:430
attribute_deprecated int frame_skip_threshold
Definition: avcodec.h:2497
#define av_log(a,...)
int noise_sensitivity
Definition: libvpxenc.c:112
#define LEGACY_OPTIONS
Definition: libvpxenc.c:1435
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1512
static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: libvpxenc.c:1295
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
int width
Definition: frame.h:353
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int arnr_type
Definition: libvpxenc.c:91
int tune
Definition: libvpxenc.c:93
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:936
#define COMMON_OPTIONS
Definition: libvpxenc.c:1405
int qmax
maximum quantizer
Definition: avcodec.h:2417
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:539
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int roi_warned
If the driver does not support ROI then warn the first time we encounter a frame with ROI side data...
Definition: libvpxenc.c:123
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
int flags
AV_CODEC_FLAG_*.
Definition: avcodec.h:1648
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:3499
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:390
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
static void set_color_range(AVCodecContext *avctx)
Definition: libaomenc.c:330
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1486
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
int rc_buffer_size
decoder bitstream buffer size
Definition: avcodec.h:2431
static int vp8_encode_set_roi(AVCodecContext *avctx, int frame_width, int frame_height, const AVFrameSideData *sd)
Definition: libvpxenc.c:1273
int64_t rc_min_rate
minimum bitrate
Definition: avcodec.h:2453
common internal API header
float level
Definition: libvpxenc.c:114
int lossless
Definition: libvpxenc.c:106
static av_cold void dump_enc_cfg(AVCodecContext *avctx, const struct vpx_codec_enc_cfg *cfg)
Definition: libvpxenc.c:177
int tpl_model
Definition: libvpxenc.c:118
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:378
struct vpx_image rawimg_alpha
Definition: libvpxenc.c:69
#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 FFMIN(a, b)
Definition: common.h:96
uint64_t sse[4]
Definition: libaomenc.c:54
#define width
int width
picture width / height.
Definition: avcodec.h:1741
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2902
ITU-R BT2020 non-constant luminance system.
Definition: pixfmt.h:508
attribute_deprecated int noise_reduction
Definition: avcodec.h:2086
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
Definition: avcodec.h:890
#define AV_CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
Definition: avcodec.h:874
static void vp8_ts_parse_int_array(int *dest, char *value, size_t value_len, int max_entries)
Definition: libvpxenc.c:358
static void stats(AVPacket *const *in, int n_in, unsigned *_max, unsigned *_sum)
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
int deadline
Definition: libvpxenc.c:72
static int vp9_encode_set_roi(AVCodecContext *avctx, int frame_width, int frame_height, const AVFrameSideData *sd)
Definition: libvpxenc.c:1223
Structure describing a single Region Of Interest.
Definition: frame.h:220
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
Definition: avcodec.h:1700
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
Definition: libvpxenc.c:166
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
static void error(const char *err)
int tile_rows
Definition: h265_levels.c:217
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:2827
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:523
AVCodec ff_libvpx_vp9_encoder
if(ret)
#define VP8F_ERROR_RESILIENT
Enable measures appropriate for streaming over lossy links.
Definition: libvpxenc.c:84
int cpu_used
Definition: libvpxenc.c:78
static av_cold int vpx_init(AVCodecContext *avctx, const struct vpx_codec_iface *iface)
Definition: libvpxenc.c:578
int av_dict_parse_string(AVDictionary **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)
Parse the key/value pairs list and add the parsed entries to a dictionary.
Definition: dict.c:180
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1131
static const AVCodecDefault defaults[]
Definition: libvpxenc.c:1512
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
int max_intra_rate
Definition: libvpxenc.c:99
#define delta_q(name)
Definition: cbs_av1.c:699
#define VE
Definition: libvpxenc.c:1403
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:163
int tune_content
Definition: libvpxenc.c:116
Libavcodec external API header.
enum AVCodecID codec_id
Definition: avcodec.h:1578
av_cold void ff_vp9_init_static(AVCodec *codec)
Definition: libvpx.c:68
int lag_in_frames
Definition: libvpxenc.c:95
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:326
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:1568
static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
Queue multiple output frames from the encoder, returning the front-most.
Definition: libvpxenc.c:1014
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:599
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining list
static void set_vp8_defaults(AVCodecContext *avctx, struct vpx_codec_enc_cfg *enccfg)
Set the target bitrate to VPX library default.
Definition: libvpxenc.c:521
int qmin
minimum quantizer
Definition: avcodec.h:2410
uint8_t * data
Definition: frame.h:203
Data found in BlockAdditional element of matroska container.
Definition: avcodec.h:1338
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:387
Describe the class of an AVClass context structure.
Definition: log.h:67
static const AVProfile profiles[]
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2196
static int set_pix_fmt(AVCodecContext *avctx, struct aom_image *img)
Definition: libaomdec.c:86
char * vp8_ts_parameters
Definition: libvpxenc.c:103
Regions Of Interest, the data is an array of AVRegionOfInterest type, the number of array element is ...
Definition: frame.h:181
uint32_t flags
flags for this frame
Definition: libaomenc.c:53
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:393
#define snprintf
Definition: snprintf.h:34
static av_cold void free_coded_frame(struct FrameListData *cx_frame)
Definition: libvpxenc.c:273
uint64_t frame_number
Definition: libaomenc.c:56
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition: avcodec.h:2402
int sharpness
Definition: libvpxenc.c:79
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
size_t sz_alpha
Definition: libvpxenc.c:52
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:404
int have_sse
true if we have pending sse[]
Definition: libaomenc.c:55
#define SIZE_SPECIFIER
Definition: internal.h:262
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:388
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:394
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
uint8_t level
Definition: svq3.c:207
static int set_roi_map(AVCodecContext *avctx, const AVFrameSideData *sd, int frame_width, int frame_height, vpx_roi_map_t *roi_map, int block_size, int segment_cnt)
Definition: libvpxenc.c:1116
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:522
char * av_strtok(char *s, const char *delim, char **saveptr)
Split the string into several tokens which can be accessed by successive calls to av_strtok()...
Definition: avstring.c:184
int flags
VP8 specific flags, see VP8F_* below.
Definition: libvpxenc.c:83
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1763
static const char *const ctlidstr[]
String mappings for enum vp8e_enc_control_id.
Definition: libvpxenc.c:127
struct vpx_codec_ctx encoder_alpha
Definition: libvpxenc.c:68
static av_cold int vp8_init(AVFormatContext *s, int st_index, PayloadContext *vp8)
Definition: rtpdec_vp8.c:263
int
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
common internal api header.
common internal and external API header
struct vpx_codec_ctx encoder
Definition: libvpxenc.c:66
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
Definition: avcodec.h:2818
char * key
Definition: dict.h:86
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:1968
static av_cold void free_frame_list(struct FrameListData *list)
Definition: libvpxenc.c:281
#define AV_CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
Definition: avcodec.h:878
void * buf_alpha
Definition: libvpxenc.c:51
int slices
Number of slices.
Definition: avcodec.h:2219
void * priv_data
Definition: avcodec.h:1595
#define av_free(p)
char * value
Definition: dict.h:87
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
Definition: libaomenc.c:46
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1155
static int vp8_ts_param_parse(struct vpx_codec_enc_cfg *enccfg, char *key, char *value)
Definition: libvpxenc.c:370
int arnr_strength
Definition: libvpxenc.c:90
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:373
unsigned long duration
duration to show frame (in timebase units)
Definition: libaomenc.c:51
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 drop_threshold
Definition: libvpxenc.c:111
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1479
int have_sse
true if we have pending sse[]
Definition: libvpxenc.c:74
int height
Definition: frame.h:353
#define av_freep(p)
int rc_undershoot_pct
Definition: libvpxenc.c:100
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
Definition: avpacket.c:329
const AVProfile ff_vp9_profiles[]
Definition: profiles.c:134
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
int corpus_complexity
Definition: libvpxenc.c:117
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
This structure stores compressed data.
Definition: avcodec.h:1457
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1473
Predicted.
Definition: avutil.h:275
#define av_unused
Definition: attributes.h:125
int tile_columns
Definition: libvpxenc.c:107
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2446
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191
int keyint_min
minimum GOP size
Definition: avcodec.h:2149