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;
95 int enable_restoration;
100 static const char *const ctlidstr[] = {
101 [AOME_SET_CPUUSED] = "AOME_SET_CPUUSED",
102 [AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL",
103 [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
104 [AOME_SET_ARNR_MAXFRAMES] = "AOME_SET_ARNR_MAXFRAMES",
105 [AOME_SET_ARNR_STRENGTH] = "AOME_SET_ARNR_STRENGTH",
106 [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
107 [AV1E_SET_COLOR_RANGE] = "AV1E_SET_COLOR_RANGE",
108 [AV1E_SET_COLOR_PRIMARIES] = "AV1E_SET_COLOR_PRIMARIES",
109 [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
110 [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
111 [AV1E_SET_AQ_MODE] = "AV1E_SET_AQ_MODE",
112 [AV1E_SET_FRAME_PARALLEL_DECODING] = "AV1E_SET_FRAME_PARALLEL_DECODING",
113 [AV1E_SET_SUPERBLOCK_SIZE] = "AV1E_SET_SUPERBLOCK_SIZE",
114 [AV1E_SET_TILE_COLUMNS] = "AV1E_SET_TILE_COLUMNS",
115 [AV1E_SET_TILE_ROWS] = "AV1E_SET_TILE_ROWS",
116 [AV1E_SET_ENABLE_RESTORATION] = "AV1E_SET_ENABLE_RESTORATION",
117 #ifdef AOM_CTRL_AV1E_SET_ROW_MT
118 [AV1E_SET_ROW_MT] = "AV1E_SET_ROW_MT",
120 #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
121 [AV1E_SET_DENOISE_NOISE_LEVEL] = "AV1E_SET_DENOISE_NOISE_LEVEL",
123 #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
124 [AV1E_SET_DENOISE_BLOCK_SIZE] = "AV1E_SET_DENOISE_BLOCK_SIZE",
126 #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
127 [AV1E_SET_MAX_REFERENCE_FRAMES] = "AV1E_SET_MAX_REFERENCE_FRAMES",
129 #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
130 [AV1E_SET_ENABLE_GLOBAL_MOTION] = "AV1E_SET_ENABLE_GLOBAL_MOTION",
132 #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
133 [AV1E_SET_ENABLE_INTRABC] = "AV1E_SET_ENABLE_INTRABC",
135 [AV1E_SET_ENABLE_CDEF] = "AV1E_SET_ENABLE_CDEF",
136 [AOME_SET_TUNING] = "AOME_SET_TUNING",
139 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
141 AOMContext *ctx = avctx->priv_data;
142 const char *error = aom_codec_error(&ctx->encoder);
143 const char *detail = aom_codec_error_detail(&ctx->encoder);
145 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
147 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
150 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
151 const struct aom_codec_enc_cfg *cfg)
154 int level = AV_LOG_DEBUG;
156 av_log(avctx, level, "aom_codec_enc_cfg\n");
157 av_log(avctx, level, "generic settings\n"
158 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
160 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
161 width, "g_usage:", cfg->g_usage,
162 width, "g_threads:", cfg->g_threads,
163 width, "g_profile:", cfg->g_profile,
164 width, "g_w:", cfg->g_w,
165 width, "g_h:", cfg->g_h,
166 width, "g_bit_depth:", cfg->g_bit_depth,
167 width, "g_input_bit_depth:", cfg->g_input_bit_depth,
168 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
169 width, "g_error_resilient:", cfg->g_error_resilient,
170 width, "g_pass:", cfg->g_pass,
171 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
172 av_log(avctx, level, "rate control settings\n"
173 " %*s%u\n %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
174 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
175 width, "rc_end_usage:", cfg->rc_end_usage,
176 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
177 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
178 av_log(avctx, level, "quantizer settings\n"
180 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
181 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
182 av_log(avctx, level, "bitrate tolerance\n"
184 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
185 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
186 av_log(avctx, level, "decoder buffer model\n"
187 " %*s%u\n %*s%u\n %*s%u\n",
188 width, "rc_buf_sz:", cfg->rc_buf_sz,
189 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
190 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
191 av_log(avctx, level, "2 pass rate control settings\n"
192 " %*s%u\n %*s%u\n %*s%u\n",
193 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
194 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
195 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
196 av_log(avctx, level, "keyframing settings\n"
197 " %*s%d\n %*s%u\n %*s%u\n",
198 width, "kf_mode:", cfg->kf_mode,
199 width, "kf_min_dist:", cfg->kf_min_dist,
200 width, "kf_max_dist:", cfg->kf_max_dist);
201 av_log(avctx, level, "tile settings\n"
203 width, "tile_width_count:", cfg->tile_width_count,
204 width, "tile_height_count:", cfg->tile_height_count);
205 av_log(avctx, level, "\n");
208 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
210 struct FrameListData **p = list;
215 cx_frame->next = NULL;
218 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
220 av_freep(&cx_frame->buf);
224 static av_cold void free_frame_list(struct FrameListData *list)
226 struct FrameListData *p = list;
235 static av_cold int codecctl_int(AVCodecContext *avctx,
237 aome_enc_control_id id,
239 enum aome_enc_control_id id,
243 AOMContext *ctx = avctx->priv_data;
248 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
249 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
251 res = aom_codec_control(&ctx->encoder, id, val);
252 if (res != AOM_CODEC_OK) {
253 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
255 log_encoder_error(avctx, buf);
256 return AVERROR(EINVAL);
262 static av_cold int aom_free(AVCodecContext *avctx)
264 AOMContext *ctx = avctx->priv_data;
266 aom_codec_destroy(&ctx->encoder);
267 av_freep(&ctx->twopass_stats.buf);
268 av_freep(&avctx->stats_out);
269 free_frame_list(ctx->coded_frame_list);
270 av_bsf_free(&ctx->bsf);
274 static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
275 struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
276 aom_img_fmt_t *img_fmt)
278 AOMContext av_unused *ctx = avctx->priv_data;
279 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
280 switch (avctx->pix_fmt) {
281 case AV_PIX_FMT_YUV420P:
282 enccfg->g_profile = FF_PROFILE_AV1_MAIN;
283 *img_fmt = AOM_IMG_FMT_I420;
285 case AV_PIX_FMT_YUV422P:
286 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
287 *img_fmt = AOM_IMG_FMT_I422;
289 case AV_PIX_FMT_YUV444P:
290 enccfg->g_profile = FF_PROFILE_AV1_HIGH;
291 *img_fmt = AOM_IMG_FMT_I444;
293 case AV_PIX_FMT_YUV420P10:
294 case AV_PIX_FMT_YUV420P12:
295 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
296 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
297 avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
299 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
300 *img_fmt = AOM_IMG_FMT_I42016;
301 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
305 case AV_PIX_FMT_YUV422P10:
306 case AV_PIX_FMT_YUV422P12:
307 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
308 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
309 avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
310 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
311 *img_fmt = AOM_IMG_FMT_I42216;
312 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
316 case AV_PIX_FMT_YUV444P10:
317 case AV_PIX_FMT_YUV444P12:
318 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
319 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
320 avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ? 10 : 12;
322 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
323 *img_fmt = AOM_IMG_FMT_I44416;
324 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
331 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
332 return AVERROR_INVALIDDATA;
335 static void set_color_range(AVCodecContext *avctx)
337 aom_color_range_t aom_cr;
338 switch (avctx->color_range) {
339 case AVCOL_RANGE_UNSPECIFIED:
340 case AVCOL_RANGE_MPEG: aom_cr = AOM_CR_STUDIO_RANGE; break;
341 case AVCOL_RANGE_JPEG: aom_cr = AOM_CR_FULL_RANGE; break;
343 av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
348 codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
351 static int count_uniform_tiling(int dim, int sb_size, int tiles_log2)
353 int sb_dim = (dim + sb_size - 1) / sb_size;
354 int tile_dim = (sb_dim + (1 << tiles_log2) - 1) >> tiles_log2;
355 av_assert0(tile_dim > 0);
356 return (sb_dim + tile_dim - 1) / tile_dim;
359 static int choose_tiling(AVCodecContext *avctx,
360 struct aom_codec_enc_cfg *enccfg)
362 AOMContext *ctx = avctx->priv_data;
363 int sb_128x128_possible, sb_size, sb_width, sb_height;
364 int uniform_rows, uniform_cols;
365 int uniform_64x64_possible, uniform_128x128_possible;
366 int tile_size, rounding, i;
368 if (ctx->tile_cols_log2 >= 0)
369 ctx->tile_cols = 1 << ctx->tile_cols_log2;
370 if (ctx->tile_rows_log2 >= 0)
371 ctx->tile_rows = 1 << ctx->tile_rows_log2;
373 if (ctx->tile_cols == 0) {
374 ctx->tile_cols = (avctx->width + AV1_MAX_TILE_WIDTH - 1) /
376 if (ctx->tile_cols > 1) {
377 av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
378 "columns to fill width.\n", ctx->tile_cols);
381 av_assert0(ctx->tile_cols > 0);
382 if (ctx->tile_rows == 0) {
384 FFALIGN((FFALIGN(avctx->width, 128) +
385 ctx->tile_cols - 1) / ctx->tile_cols, 128);
387 (max_tile_width * FFALIGN(avctx->height, 128) +
388 AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;
389 if (ctx->tile_rows > 1) {
390 av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
391 "rows to fill area.\n", ctx->tile_rows);
394 av_assert0(ctx->tile_rows > 0);
396 if ((avctx->width + 63) / 64 < ctx->tile_cols ||
397 (avctx->height + 63) / 64 < ctx->tile_rows) {
398 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: frame not "
399 "large enough to fit specified tile arrangement.\n");
400 return AVERROR(EINVAL);
402 if (ctx->tile_cols > AV1_MAX_TILE_COLS ||
403 ctx->tile_rows > AV1_MAX_TILE_ROWS) {
404 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
405 "not allow more than %dx%d tiles.\n",
406 AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);
407 return AVERROR(EINVAL);
409 if (avctx->width / ctx->tile_cols > AV1_MAX_TILE_WIDTH) {
410 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
411 "not allow tiles of width greater than %d.\n",
413 return AVERROR(EINVAL);
416 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_DYNAMIC;
418 if (ctx->tile_cols == 1 && ctx->tile_rows == 1) {
419 av_log(avctx, AV_LOG_DEBUG, "Using a single tile.\n");
423 sb_128x128_possible =
424 (avctx->width + 127) / 128 >= ctx->tile_cols &&
425 (avctx->height + 127) / 128 >= ctx->tile_rows;
427 ctx->tile_cols_log2 = ctx->tile_cols == 1 ? 0 :
428 av_log2(ctx->tile_cols - 1) + 1;
429 ctx->tile_rows_log2 = ctx->tile_rows == 1 ? 0 :
430 av_log2(ctx->tile_rows - 1) + 1;
432 uniform_cols = count_uniform_tiling(avctx->width,
433 64, ctx->tile_cols_log2);
434 uniform_rows = count_uniform_tiling(avctx->height,
435 64, ctx->tile_rows_log2);
436 av_log(avctx, AV_LOG_DEBUG, "Uniform with 64x64 superblocks "
437 "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
438 uniform_64x64_possible = uniform_cols == ctx->tile_cols &&
439 uniform_rows == ctx->tile_rows;
441 if (sb_128x128_possible) {
442 uniform_cols = count_uniform_tiling(avctx->width,
443 128, ctx->tile_cols_log2);
444 uniform_rows = count_uniform_tiling(avctx->height,
445 128, ctx->tile_rows_log2);
446 av_log(avctx, AV_LOG_DEBUG, "Uniform with 128x128 superblocks "
447 "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
448 uniform_128x128_possible = uniform_cols == ctx->tile_cols &&
449 uniform_rows == ctx->tile_rows;
451 av_log(avctx, AV_LOG_DEBUG, "128x128 superblocks not possible.\n");
452 uniform_128x128_possible = 0;
455 ctx->uniform_tiles = 1;
456 if (uniform_64x64_possible && uniform_128x128_possible) {
457 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with dynamic "
458 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
459 ctx->tile_cols_log2, ctx->tile_rows_log2);
462 if (uniform_64x64_possible && !sb_128x128_possible) {
463 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 64x64 "
464 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
465 ctx->tile_cols_log2, ctx->tile_rows_log2);
466 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
469 if (uniform_128x128_possible) {
470 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 128x128 "
471 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
472 ctx->tile_cols_log2, ctx->tile_rows_log2);
473 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
476 ctx->uniform_tiles = 0;
478 if (sb_128x128_possible) {
480 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
483 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
485 av_log(avctx, AV_LOG_DEBUG, "Using fixed tiling with %dx%d "
486 "superblocks (tile_cols = %d, tile_rows = %d).\n",
487 sb_size, sb_size, ctx->tile_cols, ctx->tile_rows);
489 enccfg->tile_width_count = ctx->tile_cols;
490 enccfg->tile_height_count = ctx->tile_rows;
492 sb_width = (avctx->width + sb_size - 1) / sb_size;
493 sb_height = (avctx->height + sb_size - 1) / sb_size;
495 tile_size = sb_width / ctx->tile_cols;
496 rounding = sb_width % ctx->tile_cols;
497 for (i = 0; i < ctx->tile_cols; i++) {
498 enccfg->tile_widths[i] = tile_size +
500 i > ctx->tile_cols - 1 - (rounding + 1) / 2);
503 tile_size = sb_height / ctx->tile_rows;
504 rounding = sb_height % ctx->tile_rows;
505 for (i = 0; i < ctx->tile_rows; i++) {
506 enccfg->tile_heights[i] = tile_size +
508 i > ctx->tile_rows - 1 - (rounding + 1) / 2);
514 static av_cold int aom_init(AVCodecContext *avctx,
515 const struct aom_codec_iface *iface)
517 AOMContext *ctx = avctx->priv_data;
518 struct aom_codec_enc_cfg enccfg = { 0 };
519 #ifdef AOM_FRAME_IS_INTRAONLY
520 aom_codec_flags_t flags =
521 (avctx->flags & AV_CODEC_FLAG_PSNR) ? AOM_CODEC_USE_PSNR : 0;
523 aom_codec_flags_t flags = 0;
525 AVCPBProperties *cpb_props;
527 aom_img_fmt_t img_fmt;
528 aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);
530 av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
531 av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
533 if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
534 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
535 aom_codec_err_to_string(res));
536 return AVERROR(EINVAL);
539 if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
540 return AVERROR(EINVAL);
543 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
544 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
545 return AVERROR(EINVAL);
548 dump_enc_cfg(avctx, &enccfg);
550 enccfg.g_w = avctx->width;
551 enccfg.g_h = avctx->height;
552 enccfg.g_timebase.num = avctx->time_base.num;
553 enccfg.g_timebase.den = avctx->time_base.den;
555 FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 64);
557 enccfg.g_usage = ctx->usage;
559 if (ctx->lag_in_frames >= 0)
560 enccfg.g_lag_in_frames = ctx->lag_in_frames;
562 if (avctx->flags & AV_CODEC_FLAG_PASS1)
563 enccfg.g_pass = AOM_RC_FIRST_PASS;
564 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
565 enccfg.g_pass = AOM_RC_LAST_PASS;
567 enccfg.g_pass = AOM_RC_ONE_PASS;
569 if (avctx->rc_min_rate == avctx->rc_max_rate &&
570 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
571 enccfg.rc_end_usage = AOM_CBR;
572 } else if (ctx->crf >= 0) {
573 enccfg.rc_end_usage = AOM_CQ;
574 if (!avctx->bit_rate)
575 enccfg.rc_end_usage = AOM_Q;
578 if (avctx->bit_rate) {
579 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
581 } else if (enccfg.rc_end_usage != AOM_Q) {
582 enccfg.rc_end_usage = AOM_Q;
584 av_log(avctx, AV_LOG_WARNING,
585 "Neither bitrate nor constrained quality specified, using default CRF of %d\n",
589 if (avctx->qmin >= 0)
590 enccfg.rc_min_quantizer = avctx->qmin;
591 if (avctx->qmax >= 0)
592 enccfg.rc_max_quantizer = avctx->qmax;
594 if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
595 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
596 av_log(avctx, AV_LOG_ERROR,
597 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
598 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
599 return AVERROR(EINVAL);
603 enccfg.rc_dropframe_thresh = ctx->drop_threshold;
605 // 0-100 (0 => CBR, 100 => VBR)
606 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
607 if (ctx->minsection_pct >= 0)
608 enccfg.rc_2pass_vbr_minsection_pct = ctx->minsection_pct;
609 else if (avctx->bit_rate)
610 enccfg.rc_2pass_vbr_minsection_pct =
611 avctx->rc_min_rate * 100LL / avctx->bit_rate;
612 if (ctx->maxsection_pct >= 0)
613 enccfg.rc_2pass_vbr_maxsection_pct = ctx->maxsection_pct;
614 else if (avctx->rc_max_rate)
615 enccfg.rc_2pass_vbr_maxsection_pct =
616 avctx->rc_max_rate * 100LL / avctx->bit_rate;
618 if (avctx->rc_buffer_size)
620 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
621 if (avctx->rc_initial_buffer_occupancy)
622 enccfg.rc_buf_initial_sz =
623 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
624 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
626 if (ctx->rc_undershoot_pct >= 0)
627 enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
628 if (ctx->rc_overshoot_pct >= 0)
629 enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
631 // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
632 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
633 enccfg.kf_min_dist = avctx->keyint_min;
634 if (avctx->gop_size >= 0)
635 enccfg.kf_max_dist = avctx->gop_size;
637 if (enccfg.g_pass == AOM_RC_FIRST_PASS)
638 enccfg.g_lag_in_frames = 0;
639 else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
640 int decode_size, ret;
642 if (!avctx->stats_in) {
643 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
644 return AVERROR_INVALIDDATA;
647 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
648 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
650 av_log(avctx, AV_LOG_ERROR,
651 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
652 ctx->twopass_stats.sz);
653 ctx->twopass_stats.sz = 0;
656 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
657 ctx->twopass_stats.sz);
658 if (decode_size < 0) {
659 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
660 return AVERROR_INVALIDDATA;
663 ctx->twopass_stats.sz = decode_size;
664 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
667 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
668 * complexity playback on low powered devices at the expense of encode
670 if (avctx->profile != FF_PROFILE_UNKNOWN)
671 enccfg.g_profile = avctx->profile;
673 enccfg.g_error_resilient = ctx->error_resilient;
675 res = choose_tiling(avctx, &enccfg);
679 dump_enc_cfg(avctx, &enccfg);
680 /* Construct Encoder Context */
681 res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
682 if (res != AOM_CODEC_OK) {
683 log_encoder_error(avctx, "Failed to initialize encoder");
684 return AVERROR(EINVAL);
687 // codec control failures are currently treated only as warnings
688 av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
689 codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
690 if (ctx->auto_alt_ref >= 0)
691 codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
692 if (ctx->arnr_max_frames >= 0)
693 codecctl_int(avctx, AOME_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
694 if (ctx->arnr_strength >= 0)
695 codecctl_int(avctx, AOME_SET_ARNR_STRENGTH, ctx->arnr_strength);
696 if (ctx->enable_cdef >= 0)
697 codecctl_int(avctx, AV1E_SET_ENABLE_CDEF, ctx->enable_cdef);
698 if (ctx->enable_restoration >= 0)
699 codecctl_int(avctx, AV1E_SET_ENABLE_RESTORATION, ctx->enable_restoration);
701 codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
703 codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
705 codecctl_int(avctx, AOME_SET_TUNING, ctx->tune);
707 codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
708 codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
709 codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
710 if (ctx->aq_mode >= 0)
711 codecctl_int(avctx, AV1E_SET_AQ_MODE, ctx->aq_mode);
712 if (ctx->frame_parallel >= 0)
713 codecctl_int(avctx, AV1E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
714 set_color_range(avctx);
716 codecctl_int(avctx, AV1E_SET_SUPERBLOCK_SIZE, ctx->superblock_size);
717 if (ctx->uniform_tiles) {
718 codecctl_int(avctx, AV1E_SET_TILE_COLUMNS, ctx->tile_cols_log2);
719 codecctl_int(avctx, AV1E_SET_TILE_ROWS, ctx->tile_rows_log2);
722 #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
723 if (ctx->denoise_noise_level >= 0)
724 codecctl_int(avctx, AV1E_SET_DENOISE_NOISE_LEVEL, ctx->denoise_noise_level);
726 #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
727 if (ctx->denoise_block_size >= 0)
728 codecctl_int(avctx, AV1E_SET_DENOISE_BLOCK_SIZE, ctx->denoise_block_size);
730 #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
731 if (ctx->enable_global_motion >= 0)
732 codecctl_int(avctx, AV1E_SET_ENABLE_GLOBAL_MOTION, ctx->enable_global_motion);
734 #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
735 if (avctx->refs >= 3) {
736 codecctl_int(avctx, AV1E_SET_MAX_REFERENCE_FRAMES, avctx->refs);
739 #ifdef AOM_CTRL_AV1E_SET_ROW_MT
740 if (ctx->row_mt >= 0)
741 codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);
743 #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
744 if (ctx->enable_intrabc >= 0)
745 codecctl_int(avctx, AV1E_SET_ENABLE_INTRABC, ctx->enable_intrabc);
748 // provide dummy value to initialize wrapper, values will be updated each _encode()
749 aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
752 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
753 ctx->rawimg.bit_depth = enccfg.g_bit_depth;
755 cpb_props = ff_add_cpb_side_data(avctx);
757 return AVERROR(ENOMEM);
759 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
760 const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
764 av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
765 "not found. This is a bug, please report it.\n");
768 ret = av_bsf_alloc(filter, &ctx->bsf);
772 ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
776 ret = av_bsf_init(ctx->bsf);
781 if (enccfg.rc_end_usage == AOM_CBR ||
782 enccfg.g_pass != AOM_RC_ONE_PASS) {
783 cpb_props->max_bitrate = avctx->rc_max_rate;
784 cpb_props->min_bitrate = avctx->rc_min_rate;
785 cpb_props->avg_bitrate = avctx->bit_rate;
787 cpb_props->buffer_size = avctx->rc_buffer_size;
792 static inline void cx_pktcpy(AOMContext *ctx,
793 struct FrameListData *dst,
794 const struct aom_codec_cx_pkt *src)
796 dst->pts = src->data.frame.pts;
797 dst->duration = src->data.frame.duration;
798 dst->flags = src->data.frame.flags;
799 dst->sz = src->data.frame.sz;
800 dst->buf = src->data.frame.buf;
801 #ifdef AOM_FRAME_IS_INTRAONLY
803 dst->frame_number = ++ctx->frame_number;
804 dst->have_sse = ctx->have_sse;
806 /* associate last-seen SSE to the frame. */
807 /* Transfers ownership from ctx to dst. */
808 memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
815 * Store coded frame information in format suitable for return from encode2().
817 * Write information from @a cx_frame to @a pkt
818 * @return packet data size on success
819 * @return a negative AVERROR on error
821 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
824 AOMContext *ctx = avctx->priv_data;
825 int av_unused pict_type;
826 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
828 av_log(avctx, AV_LOG_ERROR,
829 "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
832 memcpy(pkt->data, cx_frame->buf, pkt->size);
833 pkt->pts = pkt->dts = cx_frame->pts;
835 if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {
836 pkt->flags |= AV_PKT_FLAG_KEY;
837 #ifdef AOM_FRAME_IS_INTRAONLY
838 pict_type = AV_PICTURE_TYPE_I;
839 } else if (cx_frame->flags & AOM_FRAME_IS_INTRAONLY) {
840 pict_type = AV_PICTURE_TYPE_I;
842 pict_type = AV_PICTURE_TYPE_P;
845 ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
846 cx_frame->have_sse ? 3 : 0, pict_type);
848 if (cx_frame->have_sse) {
850 for (i = 0; i < 3; ++i) {
851 avctx->error[i] += cx_frame->sse[i + 1];
853 cx_frame->have_sse = 0;
857 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
858 ret = av_bsf_send_packet(ctx->bsf, pkt);
860 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
861 "failed to send input packet\n");
864 ret = av_bsf_receive_packet(ctx->bsf, pkt);
867 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
868 "failed to receive output packet\n");
876 * Queue multiple output frames from the encoder, returning the front-most.
877 * In cases where aom_codec_get_cx_data() returns more than 1 frame append
878 * the frame queue. Return the head frame if available.
879 * @return Stored frame size
880 * @return AVERROR(EINVAL) on output size error
881 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
883 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
885 AOMContext *ctx = avctx->priv_data;
886 const struct aom_codec_cx_pkt *pkt;
887 const void *iter = NULL;
890 if (ctx->coded_frame_list) {
891 struct FrameListData *cx_frame = ctx->coded_frame_list;
892 /* return the leading frame if we've already begun queueing */
893 size = storeframe(avctx, cx_frame, pkt_out);
896 ctx->coded_frame_list = cx_frame->next;
897 free_coded_frame(cx_frame);
900 /* consume all available output from the encoder before returning. buffers
901 * are only good through the next aom_codec call */
902 while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
904 case AOM_CODEC_CX_FRAME_PKT:
906 struct FrameListData cx_frame;
908 /* avoid storing the frame when the list is empty and we haven't yet
909 * provided a frame for output */
910 av_assert0(!ctx->coded_frame_list);
911 cx_pktcpy(ctx, &cx_frame, pkt);
912 size = storeframe(avctx, &cx_frame, pkt_out);
916 struct FrameListData *cx_frame =
917 av_malloc(sizeof(struct FrameListData));
920 av_log(avctx, AV_LOG_ERROR,
921 "Frame queue element alloc failed\n");
922 return AVERROR(ENOMEM);
924 cx_pktcpy(ctx, cx_frame, pkt);
925 cx_frame->buf = av_malloc(cx_frame->sz);
927 if (!cx_frame->buf) {
928 av_log(avctx, AV_LOG_ERROR,
929 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
932 return AVERROR(ENOMEM);
934 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
935 coded_frame_add(&ctx->coded_frame_list, cx_frame);
938 case AOM_CODEC_STATS_PKT:
940 struct aom_fixed_buf *stats = &ctx->twopass_stats;
942 if ((err = av_reallocp(&stats->buf,
944 pkt->data.twopass_stats.sz)) < 0) {
946 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
949 memcpy((uint8_t *)stats->buf + stats->sz,
950 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
951 stats->sz += pkt->data.twopass_stats.sz;
954 #ifdef AOM_FRAME_IS_INTRAONLY
955 case AOM_CODEC_PSNR_PKT:
957 av_assert0(!ctx->have_sse);
958 ctx->sse[0] = pkt->data.psnr.sse[0];
959 ctx->sse[1] = pkt->data.psnr.sse[1];
960 ctx->sse[2] = pkt->data.psnr.sse[2];
961 ctx->sse[3] = pkt->data.psnr.sse[3];
966 case AOM_CODEC_CUSTOM_PKT:
967 // ignore unsupported/unrecognized packet types
975 static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
976 const AVFrame *frame, int *got_packet)
978 AOMContext *ctx = avctx->priv_data;
979 struct aom_image *rawimg = NULL;
980 int64_t timestamp = 0;
982 aom_enc_frame_flags_t flags = 0;
985 rawimg = &ctx->rawimg;
986 rawimg->planes[AOM_PLANE_Y] = frame->data[0];
987 rawimg->planes[AOM_PLANE_U] = frame->data[1];
988 rawimg->planes[AOM_PLANE_V] = frame->data[2];
989 rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
990 rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
991 rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
992 timestamp = frame->pts;
993 switch (frame->color_range) {
994 case AVCOL_RANGE_MPEG:
995 rawimg->range = AOM_CR_STUDIO_RANGE;
997 case AVCOL_RANGE_JPEG:
998 rawimg->range = AOM_CR_FULL_RANGE;
1002 if (frame->pict_type == AV_PICTURE_TYPE_I)
1003 flags |= AOM_EFLAG_FORCE_KF;
1006 res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
1007 avctx->ticks_per_frame, flags);
1008 if (res != AOM_CODEC_OK) {
1009 log_encoder_error(avctx, "Error encoding frame");
1010 return AVERROR_INVALIDDATA;
1012 coded_size = queue_frames(avctx, pkt);
1014 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
1015 size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
1017 avctx->stats_out = av_malloc(b64_size);
1018 if (!avctx->stats_out) {
1019 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
1021 return AVERROR(ENOMEM);
1023 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
1024 ctx->twopass_stats.sz);
1027 *got_packet = !!coded_size;
1031 static const enum AVPixelFormat av1_pix_fmts[] = {
1038 static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
1042 AV_PIX_FMT_YUV420P10,
1043 AV_PIX_FMT_YUV422P10,
1044 AV_PIX_FMT_YUV444P10,
1045 AV_PIX_FMT_YUV420P12,
1046 AV_PIX_FMT_YUV422P12,
1047 AV_PIX_FMT_YUV444P12,
1051 static av_cold void av1_init_static(AVCodec *codec)
1053 aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
1054 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
1055 codec->pix_fmts = av1_pix_fmts_highbd;
1057 codec->pix_fmts = av1_pix_fmts;
1060 static av_cold int av1_init(AVCodecContext *avctx)
1062 return aom_init(avctx, aom_codec_av1_cx());
1065 #define OFFSET(x) offsetof(AOMContext, x)
1066 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1067 static const AVOption options[] = {
1068 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},
1069 { "auto-alt-ref", "Enable use of alternate reference "
1070 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1071 { "lag-in-frames", "Number of frames to look ahead at for "
1072 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1073 { "arnr-max-frames", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1074 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1075 { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 4, VE, "aq_mode"},
1076 { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode"},
1077 { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode"},
1078 { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode"},
1079 { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode"},
1080 { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
1081 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
1082 { "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
1083 { "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 },
1084 { "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
1085 { "denoise-noise-level", "Amount of noise to be removed", OFFSET(denoise_noise_level), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1086 { "denoise-block-size", "Denoise block size ", OFFSET(denoise_block_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1087 { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
1088 { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1000, VE},
1089 { "minsection-pct", "GOP min bitrate (% of target)", OFFSET(minsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
1090 { "maxsection-pct", "GOP max bitrate (% of target)", OFFSET(maxsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 5000, VE},
1091 { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1092 { "tiles", "Tile columns x rows", OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, VE },
1093 { "tile-columns", "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1094 { "tile-rows", "Log2 of number of tile rows to use", OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1095 { "row-mt", "Enable row based multi-threading", OFFSET(row_mt), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1096 { "enable-cdef", "Enable CDEF filtering", OFFSET(enable_cdef), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1097 { "enable-global-motion", "Enable global motion", OFFSET(enable_global_motion), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1098 { "enable-intrabc", "Enable intra block copy prediction mode", OFFSET(enable_intrabc), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1099 { "enable-restoration", "Enable Loop Restoration filtering", OFFSET(enable_restoration), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1100 { "usage", "Quality and compression efficiency vs speed trade-off", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, VE, "usage"},
1101 { "good", "Good quality", 0, AV_OPT_TYPE_CONST, {.i64 = 0 /* AOM_USAGE_GOOD_QUALITY */}, 0, 0, VE, "usage"},
1102 { "realtime", "Realtime encoding", 0, AV_OPT_TYPE_CONST, {.i64 = 1 /* AOM_USAGE_REALTIME */}, 0, 0, VE, "usage"},
1103 { "tune", "The metric that the encoder tunes for. Automatically chosen by the encoder by default", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, AOM_TUNE_SSIM, VE, "tune"},
1104 { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"},
1105 { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"},
1109 static const AVCodecDefault defaults[] = {
1114 { "keyint_min", "-1" },
1118 static const AVClass class_aom = {
1119 .class_name = "libaom-av1 encoder",
1120 .item_name = av_default_item_name,
1122 .version = LIBAVUTIL_VERSION_INT,
1125 AVCodec ff_libaom_av1_encoder = {
1126 .name = "libaom-av1",
1127 .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
1128 .type = AVMEDIA_TYPE_VIDEO,
1129 .id = AV_CODEC_ID_AV1,
1130 .priv_data_size = sizeof(AOMContext),
1132 .encode2 = aom_encode,
1134 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL,
1135 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
1136 .priv_class = &class_aom,
1137 .defaults = defaults,
1138 .init_static_data = av1_init_static,
1139 .wrapper_name = "libaom",