2 * Copyright (c) 2010, Google, Inc.
4 * This file is part of FFmpeg.
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.
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.
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
23 * AV1 encoder support via libaom
26 #define AOM_DISABLE_CTRL_TYPECHECKS 1
27 #include <aom/aom_encoder.h>
28 #include <aom/aomcx.h>
30 #include "libavutil/avassert.h"
31 #include "libavutil/base64.h"
32 #include "libavutil/common.h"
33 #include "libavutil/mathematics.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/pixdesc.h"
43 * Portion of struct aom_codec_cx_pkt from aom_encoder.h.
44 * One encoded frame returned from the library.
46 struct FrameListData {
47 void *buf; /**< compressed data buffer */
48 size_t sz; /**< length of compressed data */
49 int64_t pts; /**< time stamp to show frame
50 (in timebase units) */
51 unsigned long duration; /**< duration to show frame
52 (in timebase units) */
53 uint32_t flags; /**< flags for this frame */
55 int have_sse; /**< true if we have pending sse[] */
56 uint64_t frame_number;
57 struct FrameListData *next;
60 typedef struct AOMEncoderContext {
63 struct aom_codec_ctx encoder;
64 struct aom_image rawimg;
65 struct aom_fixed_buf twopass_stats;
66 struct FrameListData *coded_frame_list;
77 int denoise_noise_level;
78 int denoise_block_size;
80 int have_sse; /**< true if we have pending sse[] */
81 uint64_t frame_number;
82 int rc_undershoot_pct;
87 int tile_cols, tile_rows;
88 int tile_cols_log2, tile_rows_log2;
89 aom_superblock_size_t superblock_size;
93 int enable_global_motion;
97 static const char *const ctlidstr[] = {
98 [AOME_SET_CPUUSED] = "AOME_SET_CPUUSED",
99 [AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL",
100 [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
101 [AOME_SET_ARNR_MAXFRAMES] = "AOME_SET_ARNR_MAXFRAMES",
102 [AOME_SET_ARNR_STRENGTH] = "AOME_SET_ARNR_STRENGTH",
103 [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
104 [AV1E_SET_COLOR_RANGE] = "AV1E_SET_COLOR_RANGE",
105 [AV1E_SET_COLOR_PRIMARIES] = "AV1E_SET_COLOR_PRIMARIES",
106 [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
107 [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
108 [AV1E_SET_AQ_MODE] = "AV1E_SET_AQ_MODE",
109 [AV1E_SET_FRAME_PARALLEL_DECODING] = "AV1E_SET_FRAME_PARALLEL_DECODING",
110 [AV1E_SET_SUPERBLOCK_SIZE] = "AV1E_SET_SUPERBLOCK_SIZE",
111 [AV1E_SET_TILE_COLUMNS] = "AV1E_SET_TILE_COLUMNS",
112 [AV1E_SET_TILE_ROWS] = "AV1E_SET_TILE_ROWS",
113 #ifdef AOM_CTRL_AV1E_SET_ROW_MT
114 [AV1E_SET_ROW_MT] = "AV1E_SET_ROW_MT",
116 #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
117 [AV1E_SET_DENOISE_NOISE_LEVEL] = "AV1E_SET_DENOISE_NOISE_LEVEL",
119 #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
120 [AV1E_SET_DENOISE_BLOCK_SIZE] = "AV1E_SET_DENOISE_BLOCK_SIZE",
122 #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
123 [AV1E_SET_MAX_REFERENCE_FRAMES] = "AV1E_SET_MAX_REFERENCE_FRAMES",
125 #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
126 [AV1E_SET_ENABLE_GLOBAL_MOTION] = "AV1E_SET_ENABLE_GLOBAL_MOTION",
128 #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
129 [AV1E_SET_ENABLE_INTRABC] = "AV1E_SET_ENABLE_INTRABC",
131 [AV1E_SET_ENABLE_CDEF] = "AV1E_SET_ENABLE_CDEF",
134 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
136 AOMContext *ctx = avctx->priv_data;
137 const char *error = aom_codec_error(&ctx->encoder);
138 const char *detail = aom_codec_error_detail(&ctx->encoder);
140 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
142 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
145 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
146 const struct aom_codec_enc_cfg *cfg)
149 int level = AV_LOG_DEBUG;
151 av_log(avctx, level, "aom_codec_enc_cfg\n");
152 av_log(avctx, level, "generic settings\n"
153 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
155 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
156 width, "g_usage:", cfg->g_usage,
157 width, "g_threads:", cfg->g_threads,
158 width, "g_profile:", cfg->g_profile,
159 width, "g_w:", cfg->g_w,
160 width, "g_h:", cfg->g_h,
161 width, "g_bit_depth:", cfg->g_bit_depth,
162 width, "g_input_bit_depth:", cfg->g_input_bit_depth,
163 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
164 width, "g_error_resilient:", cfg->g_error_resilient,
165 width, "g_pass:", cfg->g_pass,
166 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
167 av_log(avctx, level, "rate control settings\n"
168 " %*s%u\n %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
169 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
170 width, "rc_end_usage:", cfg->rc_end_usage,
171 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
172 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
173 av_log(avctx, level, "quantizer settings\n"
175 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
176 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
177 av_log(avctx, level, "bitrate tolerance\n"
179 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
180 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
181 av_log(avctx, level, "decoder buffer model\n"
182 " %*s%u\n %*s%u\n %*s%u\n",
183 width, "rc_buf_sz:", cfg->rc_buf_sz,
184 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
185 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
186 av_log(avctx, level, "2 pass rate control settings\n"
187 " %*s%u\n %*s%u\n %*s%u\n",
188 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
189 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
190 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
191 av_log(avctx, level, "keyframing settings\n"
192 " %*s%d\n %*s%u\n %*s%u\n",
193 width, "kf_mode:", cfg->kf_mode,
194 width, "kf_min_dist:", cfg->kf_min_dist,
195 width, "kf_max_dist:", cfg->kf_max_dist);
196 av_log(avctx, level, "tile settings\n"
198 width, "tile_width_count:", cfg->tile_width_count,
199 width, "tile_height_count:", cfg->tile_height_count);
200 av_log(avctx, level, "\n");
203 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
205 struct FrameListData **p = list;
210 cx_frame->next = NULL;
213 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
215 av_freep(&cx_frame->buf);
219 static av_cold void free_frame_list(struct FrameListData *list)
221 struct FrameListData *p = list;
230 static av_cold int codecctl_int(AVCodecContext *avctx,
232 aome_enc_control_id id,
234 enum aome_enc_control_id id,
238 AOMContext *ctx = avctx->priv_data;
243 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
244 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
246 res = aom_codec_control(&ctx->encoder, id, val);
247 if (res != AOM_CODEC_OK) {
248 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
250 log_encoder_error(avctx, buf);
251 return AVERROR(EINVAL);
257 static av_cold int aom_free(AVCodecContext *avctx)
259 AOMContext *ctx = avctx->priv_data;
261 aom_codec_destroy(&ctx->encoder);
262 av_freep(&ctx->twopass_stats.buf);
263 av_freep(&avctx->stats_out);
264 free_frame_list(ctx->coded_frame_list);
265 av_bsf_free(&ctx->bsf);
269 static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
270 struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
271 aom_img_fmt_t *img_fmt)
273 AOMContext av_unused *ctx = avctx->priv_data;
274 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
275 switch (avctx->pix_fmt) {
276 case AV_PIX_FMT_YUV420P:
277 enccfg->g_profile = FF_PROFILE_AV1_MAIN;
278 *img_fmt = AOM_IMG_FMT_I420;
280 case AV_PIX_FMT_YUV422P:
281 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
282 *img_fmt = AOM_IMG_FMT_I422;
284 case AV_PIX_FMT_YUV444P:
285 enccfg->g_profile = FF_PROFILE_AV1_HIGH;
286 *img_fmt = AOM_IMG_FMT_I444;
288 case AV_PIX_FMT_YUV420P10:
289 case AV_PIX_FMT_YUV420P12:
290 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
291 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
292 avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
294 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
295 *img_fmt = AOM_IMG_FMT_I42016;
296 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
300 case AV_PIX_FMT_YUV422P10:
301 case AV_PIX_FMT_YUV422P12:
302 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
303 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
304 avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
305 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
306 *img_fmt = AOM_IMG_FMT_I42216;
307 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
311 case AV_PIX_FMT_YUV444P10:
312 case AV_PIX_FMT_YUV444P12:
313 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
314 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
315 avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ? 10 : 12;
317 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
318 *img_fmt = AOM_IMG_FMT_I44416;
319 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
326 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
327 return AVERROR_INVALIDDATA;
330 static void set_color_range(AVCodecContext *avctx)
332 aom_color_range_t aom_cr;
333 switch (avctx->color_range) {
334 case AVCOL_RANGE_UNSPECIFIED:
335 case AVCOL_RANGE_MPEG: aom_cr = AOM_CR_STUDIO_RANGE; break;
336 case AVCOL_RANGE_JPEG: aom_cr = AOM_CR_FULL_RANGE; break;
338 av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
343 codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
346 static int count_uniform_tiling(int dim, int sb_size, int tiles_log2)
348 int sb_dim = (dim + sb_size - 1) / sb_size;
349 int tile_dim = (sb_dim + (1 << tiles_log2) - 1) >> tiles_log2;
350 av_assert0(tile_dim > 0);
351 return (sb_dim + tile_dim - 1) / tile_dim;
354 static int choose_tiling(AVCodecContext *avctx,
355 struct aom_codec_enc_cfg *enccfg)
357 AOMContext *ctx = avctx->priv_data;
358 int sb_128x128_possible, sb_size, sb_width, sb_height;
359 int uniform_rows, uniform_cols;
360 int uniform_64x64_possible, uniform_128x128_possible;
361 int tile_size, rounding, i;
363 if (ctx->tile_cols_log2 >= 0)
364 ctx->tile_cols = 1 << ctx->tile_cols_log2;
365 if (ctx->tile_rows_log2 >= 0)
366 ctx->tile_rows = 1 << ctx->tile_rows_log2;
368 if (ctx->tile_cols == 0) {
369 ctx->tile_cols = (avctx->width + AV1_MAX_TILE_WIDTH - 1) /
371 if (ctx->tile_cols > 1) {
372 av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
373 "columns to fill width.\n", ctx->tile_cols);
376 av_assert0(ctx->tile_cols > 0);
377 if (ctx->tile_rows == 0) {
379 FFALIGN((FFALIGN(avctx->width, 128) +
380 ctx->tile_cols - 1) / ctx->tile_cols, 128);
382 (max_tile_width * FFALIGN(avctx->height, 128) +
383 AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;
384 if (ctx->tile_rows > 1) {
385 av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
386 "rows to fill area.\n", ctx->tile_rows);
389 av_assert0(ctx->tile_rows > 0);
391 if ((avctx->width + 63) / 64 < ctx->tile_cols ||
392 (avctx->height + 63) / 64 < ctx->tile_rows) {
393 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: frame not "
394 "large enough to fit specified tile arrangement.\n");
395 return AVERROR(EINVAL);
397 if (ctx->tile_cols > AV1_MAX_TILE_COLS ||
398 ctx->tile_rows > AV1_MAX_TILE_ROWS) {
399 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
400 "not allow more than %dx%d tiles.\n",
401 AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);
402 return AVERROR(EINVAL);
404 if (avctx->width / ctx->tile_cols > AV1_MAX_TILE_WIDTH) {
405 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
406 "not allow tiles of width greater than %d.\n",
408 return AVERROR(EINVAL);
411 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_DYNAMIC;
413 if (ctx->tile_cols == 1 && ctx->tile_rows == 1) {
414 av_log(avctx, AV_LOG_DEBUG, "Using a single tile.\n");
418 sb_128x128_possible =
419 (avctx->width + 127) / 128 >= ctx->tile_cols &&
420 (avctx->height + 127) / 128 >= ctx->tile_rows;
422 ctx->tile_cols_log2 = ctx->tile_cols == 1 ? 0 :
423 av_log2(ctx->tile_cols - 1) + 1;
424 ctx->tile_rows_log2 = ctx->tile_rows == 1 ? 0 :
425 av_log2(ctx->tile_rows - 1) + 1;
427 uniform_cols = count_uniform_tiling(avctx->width,
428 64, ctx->tile_cols_log2);
429 uniform_rows = count_uniform_tiling(avctx->height,
430 64, ctx->tile_rows_log2);
431 av_log(avctx, AV_LOG_DEBUG, "Uniform with 64x64 superblocks "
432 "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
433 uniform_64x64_possible = uniform_cols == ctx->tile_cols &&
434 uniform_rows == ctx->tile_rows;
436 if (sb_128x128_possible) {
437 uniform_cols = count_uniform_tiling(avctx->width,
438 128, ctx->tile_cols_log2);
439 uniform_rows = count_uniform_tiling(avctx->height,
440 128, ctx->tile_rows_log2);
441 av_log(avctx, AV_LOG_DEBUG, "Uniform with 128x128 superblocks "
442 "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
443 uniform_128x128_possible = uniform_cols == ctx->tile_cols &&
444 uniform_rows == ctx->tile_rows;
446 av_log(avctx, AV_LOG_DEBUG, "128x128 superblocks not possible.\n");
447 uniform_128x128_possible = 0;
450 ctx->uniform_tiles = 1;
451 if (uniform_64x64_possible && uniform_128x128_possible) {
452 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with dynamic "
453 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
454 ctx->tile_cols_log2, ctx->tile_rows_log2);
457 if (uniform_64x64_possible && !sb_128x128_possible) {
458 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 64x64 "
459 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
460 ctx->tile_cols_log2, ctx->tile_rows_log2);
461 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
464 if (uniform_128x128_possible) {
465 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 128x128 "
466 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
467 ctx->tile_cols_log2, ctx->tile_rows_log2);
468 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
471 ctx->uniform_tiles = 0;
473 if (sb_128x128_possible) {
475 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
478 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
480 av_log(avctx, AV_LOG_DEBUG, "Using fixed tiling with %dx%d "
481 "superblocks (tile_cols = %d, tile_rows = %d).\n",
482 sb_size, sb_size, ctx->tile_cols, ctx->tile_rows);
484 enccfg->tile_width_count = ctx->tile_cols;
485 enccfg->tile_height_count = ctx->tile_rows;
487 sb_width = (avctx->width + sb_size - 1) / sb_size;
488 sb_height = (avctx->height + sb_size - 1) / sb_size;
490 tile_size = sb_width / ctx->tile_cols;
491 rounding = sb_width % ctx->tile_cols;
492 for (i = 0; i < ctx->tile_cols; i++) {
493 enccfg->tile_widths[i] = tile_size +
495 i > ctx->tile_cols - 1 - (rounding + 1) / 2);
498 tile_size = sb_height / ctx->tile_rows;
499 rounding = sb_height % ctx->tile_rows;
500 for (i = 0; i < ctx->tile_rows; i++) {
501 enccfg->tile_heights[i] = tile_size +
503 i > ctx->tile_rows - 1 - (rounding + 1) / 2);
509 static av_cold int aom_init(AVCodecContext *avctx,
510 const struct aom_codec_iface *iface)
512 AOMContext *ctx = avctx->priv_data;
513 struct aom_codec_enc_cfg enccfg = { 0 };
514 #ifdef AOM_FRAME_IS_INTRAONLY
515 aom_codec_flags_t flags =
516 (avctx->flags & AV_CODEC_FLAG_PSNR) ? AOM_CODEC_USE_PSNR : 0;
518 aom_codec_flags_t flags = 0;
520 AVCPBProperties *cpb_props;
522 aom_img_fmt_t img_fmt;
523 aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);
525 av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
526 av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
528 if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
529 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
530 aom_codec_err_to_string(res));
531 return AVERROR(EINVAL);
534 if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
535 return AVERROR(EINVAL);
538 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
539 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
540 return AVERROR(EINVAL);
543 dump_enc_cfg(avctx, &enccfg);
545 enccfg.g_w = avctx->width;
546 enccfg.g_h = avctx->height;
547 enccfg.g_timebase.num = avctx->time_base.num;
548 enccfg.g_timebase.den = avctx->time_base.den;
550 FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 64);
552 if (ctx->lag_in_frames >= 0)
553 enccfg.g_lag_in_frames = ctx->lag_in_frames;
555 if (avctx->flags & AV_CODEC_FLAG_PASS1)
556 enccfg.g_pass = AOM_RC_FIRST_PASS;
557 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
558 enccfg.g_pass = AOM_RC_LAST_PASS;
560 enccfg.g_pass = AOM_RC_ONE_PASS;
562 if (avctx->rc_min_rate == avctx->rc_max_rate &&
563 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
564 enccfg.rc_end_usage = AOM_CBR;
565 } else if (ctx->crf >= 0) {
566 enccfg.rc_end_usage = AOM_CQ;
567 if (!avctx->bit_rate)
568 enccfg.rc_end_usage = AOM_Q;
571 if (avctx->bit_rate) {
572 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
574 } else if (enccfg.rc_end_usage != AOM_Q) {
575 if (enccfg.rc_end_usage == AOM_CQ) {
576 enccfg.rc_target_bitrate = 1000000;
578 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
579 av_log(avctx, AV_LOG_WARNING,
580 "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
581 enccfg.rc_target_bitrate);
585 if (avctx->qmin >= 0)
586 enccfg.rc_min_quantizer = avctx->qmin;
587 if (avctx->qmax >= 0)
588 enccfg.rc_max_quantizer = avctx->qmax;
590 if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
591 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
592 av_log(avctx, AV_LOG_ERROR,
593 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
594 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
595 return AVERROR(EINVAL);
599 enccfg.rc_dropframe_thresh = ctx->drop_threshold;
601 // 0-100 (0 => CBR, 100 => VBR)
602 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
603 if (ctx->minsection_pct >= 0)
604 enccfg.rc_2pass_vbr_minsection_pct = ctx->minsection_pct;
605 else if (avctx->bit_rate)
606 enccfg.rc_2pass_vbr_minsection_pct =
607 avctx->rc_min_rate * 100LL / avctx->bit_rate;
608 if (ctx->maxsection_pct >= 0)
609 enccfg.rc_2pass_vbr_maxsection_pct = ctx->maxsection_pct;
610 else if (avctx->rc_max_rate)
611 enccfg.rc_2pass_vbr_maxsection_pct =
612 avctx->rc_max_rate * 100LL / avctx->bit_rate;
614 if (avctx->rc_buffer_size)
616 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
617 if (avctx->rc_initial_buffer_occupancy)
618 enccfg.rc_buf_initial_sz =
619 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
620 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
622 if (ctx->rc_undershoot_pct >= 0)
623 enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
624 if (ctx->rc_overshoot_pct >= 0)
625 enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
627 // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
628 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
629 enccfg.kf_min_dist = avctx->keyint_min;
630 if (avctx->gop_size >= 0)
631 enccfg.kf_max_dist = avctx->gop_size;
633 if (enccfg.g_pass == AOM_RC_FIRST_PASS)
634 enccfg.g_lag_in_frames = 0;
635 else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
636 int decode_size, ret;
638 if (!avctx->stats_in) {
639 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
640 return AVERROR_INVALIDDATA;
643 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
644 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
646 av_log(avctx, AV_LOG_ERROR,
647 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
648 ctx->twopass_stats.sz);
649 ctx->twopass_stats.sz = 0;
652 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
653 ctx->twopass_stats.sz);
654 if (decode_size < 0) {
655 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
656 return AVERROR_INVALIDDATA;
659 ctx->twopass_stats.sz = decode_size;
660 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
663 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
664 * complexity playback on low powered devices at the expense of encode
666 if (avctx->profile != FF_PROFILE_UNKNOWN)
667 enccfg.g_profile = avctx->profile;
669 enccfg.g_error_resilient = ctx->error_resilient;
671 res = choose_tiling(avctx, &enccfg);
675 dump_enc_cfg(avctx, &enccfg);
676 /* Construct Encoder Context */
677 res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
678 if (res != AOM_CODEC_OK) {
679 log_encoder_error(avctx, "Failed to initialize encoder");
680 return AVERROR(EINVAL);
683 // codec control failures are currently treated only as warnings
684 av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
685 codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
686 if (ctx->auto_alt_ref >= 0)
687 codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
688 if (ctx->arnr_max_frames >= 0)
689 codecctl_int(avctx, AOME_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
690 if (ctx->arnr_strength >= 0)
691 codecctl_int(avctx, AOME_SET_ARNR_STRENGTH, ctx->arnr_strength);
692 if (ctx->enable_cdef >= 0)
693 codecctl_int(avctx, AV1E_SET_ENABLE_CDEF, ctx->enable_cdef);
694 codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
696 codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
698 codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
699 codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
700 codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
701 if (ctx->aq_mode >= 0)
702 codecctl_int(avctx, AV1E_SET_AQ_MODE, ctx->aq_mode);
703 if (ctx->frame_parallel >= 0)
704 codecctl_int(avctx, AV1E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
705 set_color_range(avctx);
707 codecctl_int(avctx, AV1E_SET_SUPERBLOCK_SIZE, ctx->superblock_size);
708 if (ctx->uniform_tiles) {
709 codecctl_int(avctx, AV1E_SET_TILE_COLUMNS, ctx->tile_cols_log2);
710 codecctl_int(avctx, AV1E_SET_TILE_ROWS, ctx->tile_rows_log2);
713 #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
714 if (ctx->denoise_noise_level >= 0)
715 codecctl_int(avctx, AV1E_SET_DENOISE_NOISE_LEVEL, ctx->denoise_noise_level);
717 #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
718 if (ctx->denoise_block_size >= 0)
719 codecctl_int(avctx, AV1E_SET_DENOISE_BLOCK_SIZE, ctx->denoise_block_size);
721 #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
722 if (ctx->enable_global_motion >= 0)
723 codecctl_int(avctx, AV1E_SET_ENABLE_GLOBAL_MOTION, ctx->enable_global_motion);
725 #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
726 if (avctx->refs >= 3) {
727 codecctl_int(avctx, AV1E_SET_MAX_REFERENCE_FRAMES, avctx->refs);
730 #ifdef AOM_CTRL_AV1E_SET_ROW_MT
731 if (ctx->row_mt >= 0)
732 codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);
734 #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
735 if (ctx->enable_intrabc >= 0)
736 codecctl_int(avctx, AV1E_SET_ENABLE_INTRABC, ctx->enable_intrabc);
739 // provide dummy value to initialize wrapper, values will be updated each _encode()
740 aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
743 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
744 ctx->rawimg.bit_depth = enccfg.g_bit_depth;
746 cpb_props = ff_add_cpb_side_data(avctx);
748 return AVERROR(ENOMEM);
750 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
751 const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
755 av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
756 "not found. This is a bug, please report it.\n");
759 ret = av_bsf_alloc(filter, &ctx->bsf);
763 ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
767 ret = av_bsf_init(ctx->bsf);
772 if (enccfg.rc_end_usage == AOM_CBR ||
773 enccfg.g_pass != AOM_RC_ONE_PASS) {
774 cpb_props->max_bitrate = avctx->rc_max_rate;
775 cpb_props->min_bitrate = avctx->rc_min_rate;
776 cpb_props->avg_bitrate = avctx->bit_rate;
778 cpb_props->buffer_size = avctx->rc_buffer_size;
783 static inline void cx_pktcpy(AOMContext *ctx,
784 struct FrameListData *dst,
785 const struct aom_codec_cx_pkt *src)
787 dst->pts = src->data.frame.pts;
788 dst->duration = src->data.frame.duration;
789 dst->flags = src->data.frame.flags;
790 dst->sz = src->data.frame.sz;
791 dst->buf = src->data.frame.buf;
792 #ifdef AOM_FRAME_IS_INTRAONLY
794 dst->frame_number = ++ctx->frame_number;
795 dst->have_sse = ctx->have_sse;
797 /* associate last-seen SSE to the frame. */
798 /* Transfers ownership from ctx to dst. */
799 memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
806 * Store coded frame information in format suitable for return from encode2().
808 * Write information from @a cx_frame to @a pkt
809 * @return packet data size on success
810 * @return a negative AVERROR on error
812 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
815 AOMContext *ctx = avctx->priv_data;
817 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
819 av_log(avctx, AV_LOG_ERROR,
820 "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
823 memcpy(pkt->data, cx_frame->buf, pkt->size);
824 pkt->pts = pkt->dts = cx_frame->pts;
826 if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {
827 pkt->flags |= AV_PKT_FLAG_KEY;
828 #ifdef AOM_FRAME_IS_INTRAONLY
829 pict_type = AV_PICTURE_TYPE_I;
830 } else if (cx_frame->flags & AOM_FRAME_IS_INTRAONLY) {
831 pict_type = AV_PICTURE_TYPE_I;
833 pict_type = AV_PICTURE_TYPE_P;
836 ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
837 cx_frame->have_sse ? 3 : 0, pict_type);
839 if (cx_frame->have_sse) {
841 for (i = 0; i < 3; ++i) {
842 avctx->error[i] += cx_frame->sse[i + 1];
844 cx_frame->have_sse = 0;
848 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
849 ret = av_bsf_send_packet(ctx->bsf, pkt);
851 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
852 "failed to send input packet\n");
855 ret = av_bsf_receive_packet(ctx->bsf, pkt);
858 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
859 "failed to receive output packet\n");
867 * Queue multiple output frames from the encoder, returning the front-most.
868 * In cases where aom_codec_get_cx_data() returns more than 1 frame append
869 * the frame queue. Return the head frame if available.
870 * @return Stored frame size
871 * @return AVERROR(EINVAL) on output size error
872 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
874 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
876 AOMContext *ctx = avctx->priv_data;
877 const struct aom_codec_cx_pkt *pkt;
878 const void *iter = NULL;
881 if (ctx->coded_frame_list) {
882 struct FrameListData *cx_frame = ctx->coded_frame_list;
883 /* return the leading frame if we've already begun queueing */
884 size = storeframe(avctx, cx_frame, pkt_out);
887 ctx->coded_frame_list = cx_frame->next;
888 free_coded_frame(cx_frame);
891 /* consume all available output from the encoder before returning. buffers
892 * are only good through the next aom_codec call */
893 while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
895 case AOM_CODEC_CX_FRAME_PKT:
897 struct FrameListData cx_frame;
899 /* avoid storing the frame when the list is empty and we haven't yet
900 * provided a frame for output */
901 av_assert0(!ctx->coded_frame_list);
902 cx_pktcpy(ctx, &cx_frame, pkt);
903 size = storeframe(avctx, &cx_frame, pkt_out);
907 struct FrameListData *cx_frame =
908 av_malloc(sizeof(struct FrameListData));
911 av_log(avctx, AV_LOG_ERROR,
912 "Frame queue element alloc failed\n");
913 return AVERROR(ENOMEM);
915 cx_pktcpy(ctx, cx_frame, pkt);
916 cx_frame->buf = av_malloc(cx_frame->sz);
918 if (!cx_frame->buf) {
919 av_log(avctx, AV_LOG_ERROR,
920 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
923 return AVERROR(ENOMEM);
925 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
926 coded_frame_add(&ctx->coded_frame_list, cx_frame);
929 case AOM_CODEC_STATS_PKT:
931 struct aom_fixed_buf *stats = &ctx->twopass_stats;
933 if ((err = av_reallocp(&stats->buf,
935 pkt->data.twopass_stats.sz)) < 0) {
937 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
940 memcpy((uint8_t *)stats->buf + stats->sz,
941 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
942 stats->sz += pkt->data.twopass_stats.sz;
945 #ifdef AOM_FRAME_IS_INTRAONLY
946 case AOM_CODEC_PSNR_PKT:
948 av_assert0(!ctx->have_sse);
949 ctx->sse[0] = pkt->data.psnr.sse[0];
950 ctx->sse[1] = pkt->data.psnr.sse[1];
951 ctx->sse[2] = pkt->data.psnr.sse[2];
952 ctx->sse[3] = pkt->data.psnr.sse[3];
957 case AOM_CODEC_CUSTOM_PKT:
958 // ignore unsupported/unrecognized packet types
966 static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
967 const AVFrame *frame, int *got_packet)
969 AOMContext *ctx = avctx->priv_data;
970 struct aom_image *rawimg = NULL;
971 int64_t timestamp = 0;
973 aom_enc_frame_flags_t flags = 0;
976 rawimg = &ctx->rawimg;
977 rawimg->planes[AOM_PLANE_Y] = frame->data[0];
978 rawimg->planes[AOM_PLANE_U] = frame->data[1];
979 rawimg->planes[AOM_PLANE_V] = frame->data[2];
980 rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
981 rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
982 rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
983 timestamp = frame->pts;
984 switch (frame->color_range) {
985 case AVCOL_RANGE_MPEG:
986 rawimg->range = AOM_CR_STUDIO_RANGE;
988 case AVCOL_RANGE_JPEG:
989 rawimg->range = AOM_CR_FULL_RANGE;
993 if (frame->pict_type == AV_PICTURE_TYPE_I)
994 flags |= AOM_EFLAG_FORCE_KF;
997 res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
998 avctx->ticks_per_frame, flags);
999 if (res != AOM_CODEC_OK) {
1000 log_encoder_error(avctx, "Error encoding frame");
1001 return AVERROR_INVALIDDATA;
1003 coded_size = queue_frames(avctx, pkt);
1005 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
1006 size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
1008 avctx->stats_out = av_malloc(b64_size);
1009 if (!avctx->stats_out) {
1010 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
1012 return AVERROR(ENOMEM);
1014 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
1015 ctx->twopass_stats.sz);
1018 *got_packet = !!coded_size;
1022 static const enum AVPixelFormat av1_pix_fmts[] = {
1029 static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
1033 AV_PIX_FMT_YUV420P10,
1034 AV_PIX_FMT_YUV422P10,
1035 AV_PIX_FMT_YUV444P10,
1036 AV_PIX_FMT_YUV420P12,
1037 AV_PIX_FMT_YUV422P12,
1038 AV_PIX_FMT_YUV444P12,
1042 static av_cold void av1_init_static(AVCodec *codec)
1044 aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
1045 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
1046 codec->pix_fmts = av1_pix_fmts_highbd;
1048 codec->pix_fmts = av1_pix_fmts;
1051 static av_cold int av1_init(AVCodecContext *avctx)
1053 return aom_init(avctx, aom_codec_av1_cx());
1056 #define OFFSET(x) offsetof(AOMContext, x)
1057 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1058 static const AVOption options[] = {
1059 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},
1060 { "auto-alt-ref", "Enable use of alternate reference "
1061 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1062 { "lag-in-frames", "Number of frames to look ahead at for "
1063 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1064 { "arnr-max-frames", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1065 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1066 { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 4, VE, "aq_mode"},
1067 { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode"},
1068 { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode"},
1069 { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode"},
1070 { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode"},
1071 { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
1072 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
1073 { "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
1074 { "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 },
1075 { "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
1076 { "denoise-noise-level", "Amount of noise to be removed", OFFSET(denoise_noise_level), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1077 { "denoise-block-size", "Denoise block size ", OFFSET(denoise_block_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1078 { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
1079 { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1000, VE},
1080 { "minsection-pct", "GOP min bitrate (% of target)", OFFSET(minsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
1081 { "maxsection-pct", "GOP max bitrate (% of target)", OFFSET(maxsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 5000, VE},
1082 { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1083 { "tiles", "Tile columns x rows", OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, VE },
1084 { "tile-columns", "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1085 { "tile-rows", "Log2 of number of tile rows to use", OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1086 { "row-mt", "Enable row based multi-threading", OFFSET(row_mt), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1087 { "enable-cdef", "Enable CDEF filtering", OFFSET(enable_cdef), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1088 { "enable-global-motion", "Enable global motion", OFFSET(enable_global_motion), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1089 { "enable-intrabc", "Enable intra block copy prediction mode", OFFSET(enable_intrabc), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1093 static const AVCodecDefault defaults[] = {
1094 { "b", "256*1000" },
1098 { "keyint_min", "-1" },
1102 static const AVClass class_aom = {
1103 .class_name = "libaom-av1 encoder",
1104 .item_name = av_default_item_name,
1106 .version = LIBAVUTIL_VERSION_INT,
1109 AVCodec ff_libaom_av1_encoder = {
1110 .name = "libaom-av1",
1111 .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
1112 .type = AVMEDIA_TYPE_VIDEO,
1113 .id = AV_CODEC_ID_AV1,
1114 .priv_data_size = sizeof(AOMContext),
1116 .encode2 = aom_encode,
1118 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL,
1119 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
1120 .priv_class = &class_aom,
1121 .defaults = defaults,
1122 .init_static_data = av1_init_static,
1123 .wrapper_name = "libaom",