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"
40 #include "packet_internal.h"
44 * Portion of struct aom_codec_cx_pkt from aom_encoder.h.
45 * One encoded frame returned from the library.
47 struct FrameListData {
48 void *buf; /**< compressed data buffer */
49 size_t sz; /**< length of compressed data */
50 int64_t pts; /**< time stamp to show frame
51 (in timebase units) */
52 unsigned long duration; /**< duration to show frame
53 (in timebase units) */
54 uint32_t flags; /**< flags for this frame */
56 int have_sse; /**< true if we have pending sse[] */
57 uint64_t frame_number;
58 struct FrameListData *next;
61 typedef struct AOMEncoderContext {
64 struct aom_codec_ctx encoder;
65 struct aom_image rawimg;
66 struct aom_fixed_buf twopass_stats;
67 struct FrameListData *coded_frame_list;
78 int denoise_noise_level;
79 int denoise_block_size;
81 int have_sse; /**< true if we have pending sse[] */
82 uint64_t frame_number;
83 int rc_undershoot_pct;
88 int tile_cols, tile_rows;
89 int tile_cols_log2, tile_rows_log2;
90 aom_superblock_size_t superblock_size;
94 int enable_global_motion;
96 int enable_restoration;
99 int enable_rect_partitions;
100 int enable_1to4_partitions;
101 int enable_ab_partitions;
102 int enable_angle_delta;
103 int enable_cfl_intra;
104 int enable_paeth_intra;
105 int enable_smooth_intra;
106 int enable_intra_edge_filter;
108 int enable_filter_intra;
111 static const char *const ctlidstr[] = {
112 [AOME_SET_CPUUSED] = "AOME_SET_CPUUSED",
113 [AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL",
114 [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
115 [AOME_SET_ARNR_MAXFRAMES] = "AOME_SET_ARNR_MAXFRAMES",
116 [AOME_SET_ARNR_STRENGTH] = "AOME_SET_ARNR_STRENGTH",
117 [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
118 [AV1E_SET_COLOR_RANGE] = "AV1E_SET_COLOR_RANGE",
119 [AV1E_SET_COLOR_PRIMARIES] = "AV1E_SET_COLOR_PRIMARIES",
120 [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
121 [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
122 [AV1E_SET_AQ_MODE] = "AV1E_SET_AQ_MODE",
123 [AV1E_SET_FRAME_PARALLEL_DECODING] = "AV1E_SET_FRAME_PARALLEL_DECODING",
124 [AV1E_SET_SUPERBLOCK_SIZE] = "AV1E_SET_SUPERBLOCK_SIZE",
125 [AV1E_SET_TILE_COLUMNS] = "AV1E_SET_TILE_COLUMNS",
126 [AV1E_SET_TILE_ROWS] = "AV1E_SET_TILE_ROWS",
127 [AV1E_SET_ENABLE_RESTORATION] = "AV1E_SET_ENABLE_RESTORATION",
128 #ifdef AOM_CTRL_AV1E_SET_ROW_MT
129 [AV1E_SET_ROW_MT] = "AV1E_SET_ROW_MT",
131 #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
132 [AV1E_SET_DENOISE_NOISE_LEVEL] = "AV1E_SET_DENOISE_NOISE_LEVEL",
134 #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
135 [AV1E_SET_DENOISE_BLOCK_SIZE] = "AV1E_SET_DENOISE_BLOCK_SIZE",
137 #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
138 [AV1E_SET_MAX_REFERENCE_FRAMES] = "AV1E_SET_MAX_REFERENCE_FRAMES",
140 #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
141 [AV1E_SET_ENABLE_GLOBAL_MOTION] = "AV1E_SET_ENABLE_GLOBAL_MOTION",
143 #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
144 [AV1E_SET_ENABLE_INTRABC] = "AV1E_SET_ENABLE_INTRABC",
146 [AV1E_SET_ENABLE_CDEF] = "AV1E_SET_ENABLE_CDEF",
147 [AOME_SET_TUNING] = "AOME_SET_TUNING",
148 #if AOM_ENCODER_ABI_VERSION >= 22
149 [AV1E_SET_ENABLE_1TO4_PARTITIONS] = "AV1E_SET_ENABLE_1TO4_PARTITIONS",
150 [AV1E_SET_ENABLE_AB_PARTITIONS] = "AV1E_SET_ENABLE_AB_PARTITIONS",
151 [AV1E_SET_ENABLE_RECT_PARTITIONS] = "AV1E_SET_ENABLE_RECT_PARTITIONS",
152 [AV1E_SET_ENABLE_ANGLE_DELTA] = "AV1E_SET_ENABLE_ANGLE_DELTA",
153 [AV1E_SET_ENABLE_CFL_INTRA] = "AV1E_SET_ENABLE_CFL_INTRA",
154 [AV1E_SET_ENABLE_FILTER_INTRA] = "AV1E_SET_ENABLE_FILTER_INTRA",
155 [AV1E_SET_ENABLE_INTRA_EDGE_FILTER] = "AV1E_SET_ENABLE_INTRA_EDGE_FILTER",
156 [AV1E_SET_ENABLE_PAETH_INTRA] = "AV1E_SET_ENABLE_PAETH_INTRA",
157 [AV1E_SET_ENABLE_SMOOTH_INTRA] = "AV1E_SET_ENABLE_SMOOTH_INTRA",
158 [AV1E_SET_ENABLE_PALETTE] = "AV1E_SET_ENABLE_PALETTE",
162 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
164 AOMContext *ctx = avctx->priv_data;
165 const char *error = aom_codec_error(&ctx->encoder);
166 const char *detail = aom_codec_error_detail(&ctx->encoder);
168 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
170 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
173 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
174 const struct aom_codec_enc_cfg *cfg)
177 int level = AV_LOG_DEBUG;
179 av_log(avctx, level, "aom_codec_enc_cfg\n");
180 av_log(avctx, level, "generic settings\n"
181 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
183 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
184 width, "g_usage:", cfg->g_usage,
185 width, "g_threads:", cfg->g_threads,
186 width, "g_profile:", cfg->g_profile,
187 width, "g_w:", cfg->g_w,
188 width, "g_h:", cfg->g_h,
189 width, "g_bit_depth:", cfg->g_bit_depth,
190 width, "g_input_bit_depth:", cfg->g_input_bit_depth,
191 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
192 width, "g_error_resilient:", cfg->g_error_resilient,
193 width, "g_pass:", cfg->g_pass,
194 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
195 av_log(avctx, level, "rate control settings\n"
196 " %*s%u\n %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
197 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
198 width, "rc_end_usage:", cfg->rc_end_usage,
199 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
200 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
201 av_log(avctx, level, "quantizer settings\n"
203 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
204 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
205 av_log(avctx, level, "bitrate tolerance\n"
207 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
208 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
209 av_log(avctx, level, "decoder buffer model\n"
210 " %*s%u\n %*s%u\n %*s%u\n",
211 width, "rc_buf_sz:", cfg->rc_buf_sz,
212 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
213 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
214 av_log(avctx, level, "2 pass rate control settings\n"
215 " %*s%u\n %*s%u\n %*s%u\n",
216 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
217 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
218 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
219 av_log(avctx, level, "keyframing settings\n"
220 " %*s%d\n %*s%u\n %*s%u\n",
221 width, "kf_mode:", cfg->kf_mode,
222 width, "kf_min_dist:", cfg->kf_min_dist,
223 width, "kf_max_dist:", cfg->kf_max_dist);
224 av_log(avctx, level, "tile settings\n"
226 width, "tile_width_count:", cfg->tile_width_count,
227 width, "tile_height_count:", cfg->tile_height_count);
228 av_log(avctx, level, "\n");
231 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
233 struct FrameListData **p = list;
238 cx_frame->next = NULL;
241 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
243 av_freep(&cx_frame->buf);
247 static av_cold void free_frame_list(struct FrameListData *list)
249 struct FrameListData *p = list;
258 static av_cold int codecctl_int(AVCodecContext *avctx,
260 aome_enc_control_id id,
262 enum aome_enc_control_id id,
266 AOMContext *ctx = avctx->priv_data;
271 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
272 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
274 res = aom_codec_control(&ctx->encoder, id, val);
275 if (res != AOM_CODEC_OK) {
276 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
278 log_encoder_error(avctx, buf);
279 return AVERROR(EINVAL);
285 static av_cold int aom_free(AVCodecContext *avctx)
287 AOMContext *ctx = avctx->priv_data;
289 aom_codec_destroy(&ctx->encoder);
290 av_freep(&ctx->twopass_stats.buf);
291 av_freep(&avctx->stats_out);
292 free_frame_list(ctx->coded_frame_list);
293 av_bsf_free(&ctx->bsf);
297 static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
298 struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
299 aom_img_fmt_t *img_fmt)
301 AOMContext av_unused *ctx = avctx->priv_data;
302 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
303 switch (avctx->pix_fmt) {
304 case AV_PIX_FMT_YUV420P:
305 enccfg->g_profile = FF_PROFILE_AV1_MAIN;
306 *img_fmt = AOM_IMG_FMT_I420;
308 case AV_PIX_FMT_YUV422P:
309 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
310 *img_fmt = AOM_IMG_FMT_I422;
312 case AV_PIX_FMT_YUV444P:
313 case AV_PIX_FMT_GBRP:
314 enccfg->g_profile = FF_PROFILE_AV1_HIGH;
315 *img_fmt = AOM_IMG_FMT_I444;
317 case AV_PIX_FMT_YUV420P10:
318 case AV_PIX_FMT_YUV420P12:
319 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
320 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
321 avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
323 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
324 *img_fmt = AOM_IMG_FMT_I42016;
325 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
329 case AV_PIX_FMT_YUV422P10:
330 case AV_PIX_FMT_YUV422P12:
331 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
332 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
333 avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
334 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
335 *img_fmt = AOM_IMG_FMT_I42216;
336 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
340 case AV_PIX_FMT_YUV444P10:
341 case AV_PIX_FMT_YUV444P12:
342 case AV_PIX_FMT_GBRP10:
343 case AV_PIX_FMT_GBRP12:
344 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
345 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 10;
346 if (avctx->pix_fmt == AV_PIX_FMT_YUV444P12 ||
347 avctx->pix_fmt == AV_PIX_FMT_GBRP12)
348 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 12;
350 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
351 *img_fmt = AOM_IMG_FMT_I44416;
352 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
359 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
360 return AVERROR_INVALIDDATA;
363 static void set_color_range(AVCodecContext *avctx)
365 aom_color_range_t aom_cr;
366 switch (avctx->color_range) {
367 case AVCOL_RANGE_UNSPECIFIED:
368 case AVCOL_RANGE_MPEG: aom_cr = AOM_CR_STUDIO_RANGE; break;
369 case AVCOL_RANGE_JPEG: aom_cr = AOM_CR_FULL_RANGE; break;
371 av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
376 codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
379 static int count_uniform_tiling(int dim, int sb_size, int tiles_log2)
381 int sb_dim = (dim + sb_size - 1) / sb_size;
382 int tile_dim = (sb_dim + (1 << tiles_log2) - 1) >> tiles_log2;
383 av_assert0(tile_dim > 0);
384 return (sb_dim + tile_dim - 1) / tile_dim;
387 static int choose_tiling(AVCodecContext *avctx,
388 struct aom_codec_enc_cfg *enccfg)
390 AOMContext *ctx = avctx->priv_data;
391 int sb_128x128_possible, sb_size, sb_width, sb_height;
392 int uniform_rows, uniform_cols;
393 int uniform_64x64_possible, uniform_128x128_possible;
394 int tile_size, rounding, i;
396 if (ctx->tile_cols_log2 >= 0)
397 ctx->tile_cols = 1 << ctx->tile_cols_log2;
398 if (ctx->tile_rows_log2 >= 0)
399 ctx->tile_rows = 1 << ctx->tile_rows_log2;
401 if (ctx->tile_cols == 0) {
402 ctx->tile_cols = (avctx->width + AV1_MAX_TILE_WIDTH - 1) /
404 if (ctx->tile_cols > 1) {
405 av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
406 "columns to fill width.\n", ctx->tile_cols);
409 av_assert0(ctx->tile_cols > 0);
410 if (ctx->tile_rows == 0) {
412 FFALIGN((FFALIGN(avctx->width, 128) +
413 ctx->tile_cols - 1) / ctx->tile_cols, 128);
415 (max_tile_width * FFALIGN(avctx->height, 128) +
416 AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;
417 if (ctx->tile_rows > 1) {
418 av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
419 "rows to fill area.\n", ctx->tile_rows);
422 av_assert0(ctx->tile_rows > 0);
424 if ((avctx->width + 63) / 64 < ctx->tile_cols ||
425 (avctx->height + 63) / 64 < ctx->tile_rows) {
426 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: frame not "
427 "large enough to fit specified tile arrangement.\n");
428 return AVERROR(EINVAL);
430 if (ctx->tile_cols > AV1_MAX_TILE_COLS ||
431 ctx->tile_rows > AV1_MAX_TILE_ROWS) {
432 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
433 "not allow more than %dx%d tiles.\n",
434 AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);
435 return AVERROR(EINVAL);
437 if (avctx->width / ctx->tile_cols > AV1_MAX_TILE_WIDTH) {
438 av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
439 "not allow tiles of width greater than %d.\n",
441 return AVERROR(EINVAL);
444 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_DYNAMIC;
446 if (ctx->tile_cols == 1 && ctx->tile_rows == 1) {
447 av_log(avctx, AV_LOG_DEBUG, "Using a single tile.\n");
451 sb_128x128_possible =
452 (avctx->width + 127) / 128 >= ctx->tile_cols &&
453 (avctx->height + 127) / 128 >= ctx->tile_rows;
455 ctx->tile_cols_log2 = ctx->tile_cols == 1 ? 0 :
456 av_log2(ctx->tile_cols - 1) + 1;
457 ctx->tile_rows_log2 = ctx->tile_rows == 1 ? 0 :
458 av_log2(ctx->tile_rows - 1) + 1;
460 uniform_cols = count_uniform_tiling(avctx->width,
461 64, ctx->tile_cols_log2);
462 uniform_rows = count_uniform_tiling(avctx->height,
463 64, ctx->tile_rows_log2);
464 av_log(avctx, AV_LOG_DEBUG, "Uniform with 64x64 superblocks "
465 "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
466 uniform_64x64_possible = uniform_cols == ctx->tile_cols &&
467 uniform_rows == ctx->tile_rows;
469 if (sb_128x128_possible) {
470 uniform_cols = count_uniform_tiling(avctx->width,
471 128, ctx->tile_cols_log2);
472 uniform_rows = count_uniform_tiling(avctx->height,
473 128, ctx->tile_rows_log2);
474 av_log(avctx, AV_LOG_DEBUG, "Uniform with 128x128 superblocks "
475 "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
476 uniform_128x128_possible = uniform_cols == ctx->tile_cols &&
477 uniform_rows == ctx->tile_rows;
479 av_log(avctx, AV_LOG_DEBUG, "128x128 superblocks not possible.\n");
480 uniform_128x128_possible = 0;
483 ctx->uniform_tiles = 1;
484 if (uniform_64x64_possible && uniform_128x128_possible) {
485 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with dynamic "
486 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
487 ctx->tile_cols_log2, ctx->tile_rows_log2);
490 if (uniform_64x64_possible && !sb_128x128_possible) {
491 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 64x64 "
492 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
493 ctx->tile_cols_log2, ctx->tile_rows_log2);
494 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
497 if (uniform_128x128_possible) {
498 av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 128x128 "
499 "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
500 ctx->tile_cols_log2, ctx->tile_rows_log2);
501 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
504 ctx->uniform_tiles = 0;
506 if (sb_128x128_possible) {
508 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
511 ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
513 av_log(avctx, AV_LOG_DEBUG, "Using fixed tiling with %dx%d "
514 "superblocks (tile_cols = %d, tile_rows = %d).\n",
515 sb_size, sb_size, ctx->tile_cols, ctx->tile_rows);
517 enccfg->tile_width_count = ctx->tile_cols;
518 enccfg->tile_height_count = ctx->tile_rows;
520 sb_width = (avctx->width + sb_size - 1) / sb_size;
521 sb_height = (avctx->height + sb_size - 1) / sb_size;
523 tile_size = sb_width / ctx->tile_cols;
524 rounding = sb_width % ctx->tile_cols;
525 for (i = 0; i < ctx->tile_cols; i++) {
526 enccfg->tile_widths[i] = tile_size +
528 i > ctx->tile_cols - 1 - (rounding + 1) / 2);
531 tile_size = sb_height / ctx->tile_rows;
532 rounding = sb_height % ctx->tile_rows;
533 for (i = 0; i < ctx->tile_rows; i++) {
534 enccfg->tile_heights[i] = tile_size +
536 i > ctx->tile_rows - 1 - (rounding + 1) / 2);
542 static av_cold int aom_init(AVCodecContext *avctx,
543 const struct aom_codec_iface *iface)
545 AOMContext *ctx = avctx->priv_data;
546 struct aom_codec_enc_cfg enccfg = { 0 };
547 #ifdef AOM_FRAME_IS_INTRAONLY
548 aom_codec_flags_t flags =
549 (avctx->flags & AV_CODEC_FLAG_PSNR) ? AOM_CODEC_USE_PSNR : 0;
551 aom_codec_flags_t flags = 0;
553 AVCPBProperties *cpb_props;
555 aom_img_fmt_t img_fmt;
556 aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);
558 av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
559 av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
561 if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
562 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
563 aom_codec_err_to_string(res));
564 return AVERROR(EINVAL);
567 if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
568 return AVERROR(EINVAL);
571 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
572 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
573 return AVERROR(EINVAL);
576 dump_enc_cfg(avctx, &enccfg);
578 enccfg.g_w = avctx->width;
579 enccfg.g_h = avctx->height;
580 enccfg.g_timebase.num = avctx->time_base.num;
581 enccfg.g_timebase.den = avctx->time_base.den;
583 FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 64);
585 enccfg.g_usage = ctx->usage;
587 if (ctx->lag_in_frames >= 0)
588 enccfg.g_lag_in_frames = ctx->lag_in_frames;
590 if (avctx->flags & AV_CODEC_FLAG_PASS1)
591 enccfg.g_pass = AOM_RC_FIRST_PASS;
592 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
593 enccfg.g_pass = AOM_RC_LAST_PASS;
595 enccfg.g_pass = AOM_RC_ONE_PASS;
597 if (avctx->rc_min_rate == avctx->rc_max_rate &&
598 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
599 enccfg.rc_end_usage = AOM_CBR;
600 } else if (ctx->crf >= 0) {
601 enccfg.rc_end_usage = AOM_CQ;
602 if (!avctx->bit_rate)
603 enccfg.rc_end_usage = AOM_Q;
606 if (avctx->bit_rate) {
607 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
609 } else if (enccfg.rc_end_usage != AOM_Q) {
610 enccfg.rc_end_usage = AOM_Q;
612 av_log(avctx, AV_LOG_WARNING,
613 "Neither bitrate nor constrained quality specified, using default CRF of %d\n",
617 if (avctx->qmin >= 0)
618 enccfg.rc_min_quantizer = avctx->qmin;
619 if (avctx->qmax >= 0)
620 enccfg.rc_max_quantizer = avctx->qmax;
622 if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
623 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
624 av_log(avctx, AV_LOG_ERROR,
625 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
626 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
627 return AVERROR(EINVAL);
631 enccfg.rc_dropframe_thresh = ctx->drop_threshold;
633 // 0-100 (0 => CBR, 100 => VBR)
634 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
635 if (ctx->minsection_pct >= 0)
636 enccfg.rc_2pass_vbr_minsection_pct = ctx->minsection_pct;
637 else if (avctx->bit_rate)
638 enccfg.rc_2pass_vbr_minsection_pct =
639 avctx->rc_min_rate * 100LL / avctx->bit_rate;
640 if (ctx->maxsection_pct >= 0)
641 enccfg.rc_2pass_vbr_maxsection_pct = ctx->maxsection_pct;
642 else if (avctx->rc_max_rate)
643 enccfg.rc_2pass_vbr_maxsection_pct =
644 avctx->rc_max_rate * 100LL / avctx->bit_rate;
646 if (avctx->rc_buffer_size)
648 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
649 if (avctx->rc_initial_buffer_occupancy)
650 enccfg.rc_buf_initial_sz =
651 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
652 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
654 if (ctx->rc_undershoot_pct >= 0)
655 enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
656 if (ctx->rc_overshoot_pct >= 0)
657 enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
659 // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
660 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
661 enccfg.kf_min_dist = avctx->keyint_min;
662 if (avctx->gop_size >= 0)
663 enccfg.kf_max_dist = avctx->gop_size;
665 if (enccfg.g_pass == AOM_RC_FIRST_PASS)
666 enccfg.g_lag_in_frames = 0;
667 else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
668 int decode_size, ret;
670 if (!avctx->stats_in) {
671 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
672 return AVERROR_INVALIDDATA;
675 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
676 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
678 av_log(avctx, AV_LOG_ERROR,
679 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
680 ctx->twopass_stats.sz);
681 ctx->twopass_stats.sz = 0;
684 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
685 ctx->twopass_stats.sz);
686 if (decode_size < 0) {
687 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
688 return AVERROR_INVALIDDATA;
691 ctx->twopass_stats.sz = decode_size;
692 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
695 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
696 * complexity playback on low powered devices at the expense of encode
698 if (avctx->profile != FF_PROFILE_UNKNOWN)
699 enccfg.g_profile = avctx->profile;
701 enccfg.g_error_resilient = ctx->error_resilient;
703 res = choose_tiling(avctx, &enccfg);
707 dump_enc_cfg(avctx, &enccfg);
708 /* Construct Encoder Context */
709 res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
710 if (res != AOM_CODEC_OK) {
711 log_encoder_error(avctx, "Failed to initialize encoder");
712 return AVERROR(EINVAL);
715 // codec control failures are currently treated only as warnings
716 av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
717 codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
718 if (ctx->auto_alt_ref >= 0)
719 codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
720 if (ctx->arnr_max_frames >= 0)
721 codecctl_int(avctx, AOME_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
722 if (ctx->arnr_strength >= 0)
723 codecctl_int(avctx, AOME_SET_ARNR_STRENGTH, ctx->arnr_strength);
724 if (ctx->enable_cdef >= 0)
725 codecctl_int(avctx, AV1E_SET_ENABLE_CDEF, ctx->enable_cdef);
726 if (ctx->enable_restoration >= 0)
727 codecctl_int(avctx, AV1E_SET_ENABLE_RESTORATION, ctx->enable_restoration);
728 #if AOM_ENCODER_ABI_VERSION >= 22
729 if (ctx->enable_rect_partitions >= 0)
730 codecctl_int(avctx, AV1E_SET_ENABLE_RECT_PARTITIONS, ctx->enable_rect_partitions);
731 if (ctx->enable_1to4_partitions >= 0)
732 codecctl_int(avctx, AV1E_SET_ENABLE_1TO4_PARTITIONS, ctx->enable_1to4_partitions);
733 if (ctx->enable_ab_partitions >= 0)
734 codecctl_int(avctx, AV1E_SET_ENABLE_AB_PARTITIONS, ctx->enable_ab_partitions);
735 if (ctx->enable_angle_delta >= 0)
736 codecctl_int(avctx, AV1E_SET_ENABLE_ANGLE_DELTA, ctx->enable_angle_delta);
737 if (ctx->enable_cfl_intra >= 0)
738 codecctl_int(avctx, AV1E_SET_ENABLE_CFL_INTRA, ctx->enable_cfl_intra);
739 if (ctx->enable_filter_intra >= 0)
740 codecctl_int(avctx, AV1E_SET_ENABLE_FILTER_INTRA, ctx->enable_filter_intra);
741 if (ctx->enable_intra_edge_filter >= 0)
742 codecctl_int(avctx, AV1E_SET_ENABLE_INTRA_EDGE_FILTER, ctx->enable_intra_edge_filter);
743 if (ctx->enable_paeth_intra >= 0)
744 codecctl_int(avctx, AV1E_SET_ENABLE_PAETH_INTRA, ctx->enable_paeth_intra);
745 if (ctx->enable_smooth_intra >= 0)
746 codecctl_int(avctx, AV1E_SET_ENABLE_SMOOTH_INTRA, ctx->enable_smooth_intra);
747 if (ctx->enable_palette >= 0)
748 codecctl_int(avctx, AV1E_SET_ENABLE_PALETTE, ctx->enable_palette);
751 codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
753 codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
755 codecctl_int(avctx, AOME_SET_TUNING, ctx->tune);
757 if (avctx->pix_fmt == AV_PIX_FMT_GBRP || avctx->pix_fmt == AV_PIX_FMT_GBRP10 ||
758 avctx->pix_fmt == AV_PIX_FMT_GBRP12) {
759 codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, AVCOL_PRI_BT709);
760 codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, AVCOL_SPC_RGB);
761 codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, AVCOL_TRC_IEC61966_2_1);
763 codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
764 codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
765 codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
767 if (ctx->aq_mode >= 0)
768 codecctl_int(avctx, AV1E_SET_AQ_MODE, ctx->aq_mode);
769 if (ctx->frame_parallel >= 0)
770 codecctl_int(avctx, AV1E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
771 set_color_range(avctx);
773 codecctl_int(avctx, AV1E_SET_SUPERBLOCK_SIZE, ctx->superblock_size);
774 if (ctx->uniform_tiles) {
775 codecctl_int(avctx, AV1E_SET_TILE_COLUMNS, ctx->tile_cols_log2);
776 codecctl_int(avctx, AV1E_SET_TILE_ROWS, ctx->tile_rows_log2);
779 #ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
780 if (ctx->denoise_noise_level >= 0)
781 codecctl_int(avctx, AV1E_SET_DENOISE_NOISE_LEVEL, ctx->denoise_noise_level);
783 #ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
784 if (ctx->denoise_block_size >= 0)
785 codecctl_int(avctx, AV1E_SET_DENOISE_BLOCK_SIZE, ctx->denoise_block_size);
787 #ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
788 if (ctx->enable_global_motion >= 0)
789 codecctl_int(avctx, AV1E_SET_ENABLE_GLOBAL_MOTION, ctx->enable_global_motion);
791 #ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
792 if (avctx->refs >= 3) {
793 codecctl_int(avctx, AV1E_SET_MAX_REFERENCE_FRAMES, avctx->refs);
796 #ifdef AOM_CTRL_AV1E_SET_ROW_MT
797 if (ctx->row_mt >= 0)
798 codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);
800 #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
801 if (ctx->enable_intrabc >= 0)
802 codecctl_int(avctx, AV1E_SET_ENABLE_INTRABC, ctx->enable_intrabc);
805 // provide dummy value to initialize wrapper, values will be updated each _encode()
806 aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
809 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
810 ctx->rawimg.bit_depth = enccfg.g_bit_depth;
812 cpb_props = ff_add_cpb_side_data(avctx);
814 return AVERROR(ENOMEM);
816 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
817 const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
821 av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
822 "not found. This is a bug, please report it.\n");
825 ret = av_bsf_alloc(filter, &ctx->bsf);
829 ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
833 ret = av_bsf_init(ctx->bsf);
838 if (enccfg.rc_end_usage == AOM_CBR ||
839 enccfg.g_pass != AOM_RC_ONE_PASS) {
840 cpb_props->max_bitrate = avctx->rc_max_rate;
841 cpb_props->min_bitrate = avctx->rc_min_rate;
842 cpb_props->avg_bitrate = avctx->bit_rate;
844 cpb_props->buffer_size = avctx->rc_buffer_size;
849 static inline void cx_pktcpy(AOMContext *ctx,
850 struct FrameListData *dst,
851 const struct aom_codec_cx_pkt *src)
853 dst->pts = src->data.frame.pts;
854 dst->duration = src->data.frame.duration;
855 dst->flags = src->data.frame.flags;
856 dst->sz = src->data.frame.sz;
857 dst->buf = src->data.frame.buf;
858 #ifdef AOM_FRAME_IS_INTRAONLY
860 dst->frame_number = ++ctx->frame_number;
861 dst->have_sse = ctx->have_sse;
863 /* associate last-seen SSE to the frame. */
864 /* Transfers ownership from ctx to dst. */
865 memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
872 * Store coded frame information in format suitable for return from encode2().
874 * Write information from @a cx_frame to @a pkt
875 * @return packet data size on success
876 * @return a negative AVERROR on error
878 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
881 AOMContext *ctx = avctx->priv_data;
882 int av_unused pict_type;
883 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
885 av_log(avctx, AV_LOG_ERROR,
886 "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
889 memcpy(pkt->data, cx_frame->buf, pkt->size);
890 pkt->pts = pkt->dts = cx_frame->pts;
892 if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {
893 pkt->flags |= AV_PKT_FLAG_KEY;
894 #ifdef AOM_FRAME_IS_INTRAONLY
895 pict_type = AV_PICTURE_TYPE_I;
896 } else if (cx_frame->flags & AOM_FRAME_IS_INTRAONLY) {
897 pict_type = AV_PICTURE_TYPE_I;
899 pict_type = AV_PICTURE_TYPE_P;
902 ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
903 cx_frame->have_sse ? 3 : 0, pict_type);
905 if (cx_frame->have_sse) {
907 for (i = 0; i < 3; ++i) {
908 avctx->error[i] += cx_frame->sse[i + 1];
910 cx_frame->have_sse = 0;
914 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
915 ret = av_bsf_send_packet(ctx->bsf, pkt);
917 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
918 "failed to send input packet\n");
921 ret = av_bsf_receive_packet(ctx->bsf, pkt);
924 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
925 "failed to receive output packet\n");
933 * Queue multiple output frames from the encoder, returning the front-most.
934 * In cases where aom_codec_get_cx_data() returns more than 1 frame append
935 * the frame queue. Return the head frame if available.
936 * @return Stored frame size
937 * @return AVERROR(EINVAL) on output size error
938 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
940 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
942 AOMContext *ctx = avctx->priv_data;
943 const struct aom_codec_cx_pkt *pkt;
944 const void *iter = NULL;
947 if (ctx->coded_frame_list) {
948 struct FrameListData *cx_frame = ctx->coded_frame_list;
949 /* return the leading frame if we've already begun queueing */
950 size = storeframe(avctx, cx_frame, pkt_out);
953 ctx->coded_frame_list = cx_frame->next;
954 free_coded_frame(cx_frame);
957 /* consume all available output from the encoder before returning. buffers
958 * are only good through the next aom_codec call */
959 while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
961 case AOM_CODEC_CX_FRAME_PKT:
963 struct FrameListData cx_frame;
965 /* avoid storing the frame when the list is empty and we haven't yet
966 * provided a frame for output */
967 av_assert0(!ctx->coded_frame_list);
968 cx_pktcpy(ctx, &cx_frame, pkt);
969 size = storeframe(avctx, &cx_frame, pkt_out);
973 struct FrameListData *cx_frame =
974 av_malloc(sizeof(struct FrameListData));
977 av_log(avctx, AV_LOG_ERROR,
978 "Frame queue element alloc failed\n");
979 return AVERROR(ENOMEM);
981 cx_pktcpy(ctx, cx_frame, pkt);
982 cx_frame->buf = av_malloc(cx_frame->sz);
984 if (!cx_frame->buf) {
985 av_log(avctx, AV_LOG_ERROR,
986 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
989 return AVERROR(ENOMEM);
991 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
992 coded_frame_add(&ctx->coded_frame_list, cx_frame);
995 case AOM_CODEC_STATS_PKT:
997 struct aom_fixed_buf *stats = &ctx->twopass_stats;
999 if ((err = av_reallocp(&stats->buf,
1001 pkt->data.twopass_stats.sz)) < 0) {
1003 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
1006 memcpy((uint8_t *)stats->buf + stats->sz,
1007 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
1008 stats->sz += pkt->data.twopass_stats.sz;
1011 #ifdef AOM_FRAME_IS_INTRAONLY
1012 case AOM_CODEC_PSNR_PKT:
1014 av_assert0(!ctx->have_sse);
1015 ctx->sse[0] = pkt->data.psnr.sse[0];
1016 ctx->sse[1] = pkt->data.psnr.sse[1];
1017 ctx->sse[2] = pkt->data.psnr.sse[2];
1018 ctx->sse[3] = pkt->data.psnr.sse[3];
1023 case AOM_CODEC_CUSTOM_PKT:
1024 // ignore unsupported/unrecognized packet types
1032 static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
1033 const AVFrame *frame, int *got_packet)
1035 AOMContext *ctx = avctx->priv_data;
1036 struct aom_image *rawimg = NULL;
1037 int64_t timestamp = 0;
1038 int res, coded_size;
1039 aom_enc_frame_flags_t flags = 0;
1042 rawimg = &ctx->rawimg;
1043 rawimg->planes[AOM_PLANE_Y] = frame->data[0];
1044 rawimg->planes[AOM_PLANE_U] = frame->data[1];
1045 rawimg->planes[AOM_PLANE_V] = frame->data[2];
1046 rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
1047 rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
1048 rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
1049 timestamp = frame->pts;
1050 switch (frame->color_range) {
1051 case AVCOL_RANGE_MPEG:
1052 rawimg->range = AOM_CR_STUDIO_RANGE;
1054 case AVCOL_RANGE_JPEG:
1055 rawimg->range = AOM_CR_FULL_RANGE;
1059 if (frame->pict_type == AV_PICTURE_TYPE_I)
1060 flags |= AOM_EFLAG_FORCE_KF;
1063 res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
1064 avctx->ticks_per_frame, flags);
1065 if (res != AOM_CODEC_OK) {
1066 log_encoder_error(avctx, "Error encoding frame");
1067 return AVERROR_INVALIDDATA;
1069 coded_size = queue_frames(avctx, pkt);
1071 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
1072 size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
1074 avctx->stats_out = av_malloc(b64_size);
1075 if (!avctx->stats_out) {
1076 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
1078 return AVERROR(ENOMEM);
1080 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
1081 ctx->twopass_stats.sz);
1084 *got_packet = !!coded_size;
1088 static const enum AVPixelFormat av1_pix_fmts[] = {
1096 static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
1101 AV_PIX_FMT_YUV420P10,
1102 AV_PIX_FMT_YUV422P10,
1103 AV_PIX_FMT_YUV444P10,
1104 AV_PIX_FMT_YUV420P12,
1105 AV_PIX_FMT_YUV422P12,
1106 AV_PIX_FMT_YUV444P12,
1112 static av_cold void av1_init_static(AVCodec *codec)
1114 aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
1115 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
1116 codec->pix_fmts = av1_pix_fmts_highbd;
1118 codec->pix_fmts = av1_pix_fmts;
1120 if (aom_codec_version_major() < 2)
1121 codec->capabilities |= AV_CODEC_CAP_EXPERIMENTAL;
1124 static av_cold int av1_init(AVCodecContext *avctx)
1126 return aom_init(avctx, aom_codec_av1_cx());
1129 #define OFFSET(x) offsetof(AOMContext, x)
1130 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1131 static const AVOption options[] = {
1132 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},
1133 { "auto-alt-ref", "Enable use of alternate reference "
1134 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1135 { "lag-in-frames", "Number of frames to look ahead at for "
1136 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1137 { "arnr-max-frames", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1138 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1139 { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 4, VE, "aq_mode"},
1140 { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode"},
1141 { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode"},
1142 { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode"},
1143 { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode"},
1144 { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
1145 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
1146 { "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
1147 { "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 },
1148 { "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
1149 { "denoise-noise-level", "Amount of noise to be removed", OFFSET(denoise_noise_level), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1150 { "denoise-block-size", "Denoise block size ", OFFSET(denoise_block_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
1151 { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
1152 { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1000, VE},
1153 { "minsection-pct", "GOP min bitrate (% of target)", OFFSET(minsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
1154 { "maxsection-pct", "GOP max bitrate (% of target)", OFFSET(maxsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 5000, VE},
1155 { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1156 { "tiles", "Tile columns x rows", OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, VE },
1157 { "tile-columns", "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1158 { "tile-rows", "Log2 of number of tile rows to use", OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1159 { "row-mt", "Enable row based multi-threading", OFFSET(row_mt), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1160 { "enable-cdef", "Enable CDEF filtering", OFFSET(enable_cdef), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1161 { "enable-global-motion", "Enable global motion", OFFSET(enable_global_motion), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1162 { "enable-intrabc", "Enable intra block copy prediction mode", OFFSET(enable_intrabc), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1163 { "enable-restoration", "Enable Loop Restoration filtering", OFFSET(enable_restoration), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1164 { "usage", "Quality and compression efficiency vs speed trade-off", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, VE, "usage"},
1165 { "good", "Good quality", 0, AV_OPT_TYPE_CONST, {.i64 = 0 /* AOM_USAGE_GOOD_QUALITY */}, 0, 0, VE, "usage"},
1166 { "realtime", "Realtime encoding", 0, AV_OPT_TYPE_CONST, {.i64 = 1 /* AOM_USAGE_REALTIME */}, 0, 0, VE, "usage"},
1167 { "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"},
1168 { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"},
1169 { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"},
1171 { "enable-rect-partitions", "Enable rectangular partitions", OFFSET(enable_rect_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1172 { "enable-1to4-partitions", "Enable 1:4/4:1 partitions", OFFSET(enable_1to4_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1173 { "enable-ab-partitions", "Enable ab shape partitions", OFFSET(enable_ab_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1174 { "enable-angle-delta", "Enable angle delta intra prediction", OFFSET(enable_angle_delta), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1175 { "enable-cfl-intra", "Enable chroma predicted from luma intra prediction", OFFSET(enable_cfl_intra), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1176 { "enable-filter-intra", "Enable filter intra predictor", OFFSET(enable_filter_intra), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1177 { "enable-intra-edge-filter", "Enable intra edge filter", OFFSET(enable_intra_edge_filter), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1178 { "enable-smooth-intra", "Enable smooth intra prediction mode", OFFSET(enable_smooth_intra), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1179 { "enable-paeth-intra", "Enable paeth predictor in intra prediction", OFFSET(enable_paeth_intra), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1180 { "enable-palette", "Enable palette prediction mode", OFFSET(enable_palette), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
1184 static const AVCodecDefault defaults[] = {
1189 { "keyint_min", "-1" },
1193 static const AVClass class_aom = {
1194 .class_name = "libaom-av1 encoder",
1195 .item_name = av_default_item_name,
1197 .version = LIBAVUTIL_VERSION_INT,
1200 AVCodec ff_libaom_av1_encoder = {
1201 .name = "libaom-av1",
1202 .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
1203 .type = AVMEDIA_TYPE_VIDEO,
1204 .id = AV_CODEC_ID_AV1,
1205 .priv_data_size = sizeof(AOMContext),
1207 .encode2 = aom_encode,
1209 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
1210 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
1211 .priv_class = &class_aom,
1212 .defaults = defaults,
1213 .init_static_data = av1_init_static,
1214 .wrapper_name = "libaom",