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"
42 * Portion of struct aom_codec_cx_pkt from aom_encoder.h.
43 * One encoded frame returned from the library.
45 struct FrameListData {
46 void *buf; /**< compressed data buffer */
47 size_t sz; /**< length of compressed data */
48 int64_t pts; /**< time stamp to show frame
49 (in timebase units) */
50 unsigned long duration; /**< duration to show frame
51 (in timebase units) */
52 uint32_t flags; /**< flags for this frame */
53 struct FrameListData *next;
56 typedef struct AOMEncoderContext {
59 struct aom_codec_ctx encoder;
60 struct aom_image rawimg;
61 struct aom_fixed_buf twopass_stats;
62 struct FrameListData *coded_frame_list;
70 int noise_sensitivity;
73 static const char *const ctlidstr[] = {
74 [AOME_SET_CPUUSED] = "AOME_SET_CPUUSED",
75 [AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL",
76 [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
77 [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
78 [AV1E_SET_COLOR_RANGE] = "AV1E_SET_COLOR_RANGE",
79 [AV1E_SET_COLOR_PRIMARIES] = "AV1E_SET_COLOR_PRIMARIES",
80 [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
81 [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
84 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
86 AOMContext *ctx = avctx->priv_data;
87 const char *error = aom_codec_error(&ctx->encoder);
88 const char *detail = aom_codec_error_detail(&ctx->encoder);
90 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
92 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
95 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
96 const struct aom_codec_enc_cfg *cfg)
99 int level = AV_LOG_DEBUG;
101 av_log(avctx, level, "aom_codec_enc_cfg\n");
102 av_log(avctx, level, "generic settings\n"
103 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
105 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
106 width, "g_usage:", cfg->g_usage,
107 width, "g_threads:", cfg->g_threads,
108 width, "g_profile:", cfg->g_profile,
109 width, "g_w:", cfg->g_w,
110 width, "g_h:", cfg->g_h,
111 width, "g_bit_depth:", cfg->g_bit_depth,
112 width, "g_input_bit_depth:", cfg->g_input_bit_depth,
113 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
114 width, "g_error_resilient:", cfg->g_error_resilient,
115 width, "g_pass:", cfg->g_pass,
116 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
117 av_log(avctx, level, "rate control settings\n"
118 " %*s%u\n %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
119 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
120 width, "rc_end_usage:", cfg->rc_end_usage,
121 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
122 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
123 av_log(avctx, level, "quantizer settings\n"
125 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
126 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
127 av_log(avctx, level, "bitrate tolerance\n"
129 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
130 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
131 av_log(avctx, level, "decoder buffer model\n"
132 " %*s%u\n %*s%u\n %*s%u\n",
133 width, "rc_buf_sz:", cfg->rc_buf_sz,
134 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
135 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
136 av_log(avctx, level, "2 pass rate control settings\n"
137 " %*s%u\n %*s%u\n %*s%u\n",
138 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
139 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
140 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
141 av_log(avctx, level, "keyframing settings\n"
142 " %*s%d\n %*s%u\n %*s%u\n",
143 width, "kf_mode:", cfg->kf_mode,
144 width, "kf_min_dist:", cfg->kf_min_dist,
145 width, "kf_max_dist:", cfg->kf_max_dist);
146 av_log(avctx, level, "\n");
149 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
151 struct FrameListData **p = list;
156 cx_frame->next = NULL;
159 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
161 av_freep(&cx_frame->buf);
165 static av_cold void free_frame_list(struct FrameListData *list)
167 struct FrameListData *p = list;
176 static av_cold int codecctl_int(AVCodecContext *avctx,
177 enum aome_enc_control_id id, int val)
179 AOMContext *ctx = avctx->priv_data;
184 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
185 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
187 res = aom_codec_control(&ctx->encoder, id, val);
188 if (res != AOM_CODEC_OK) {
189 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
191 log_encoder_error(avctx, buf);
192 return AVERROR(EINVAL);
198 static av_cold int aom_free(AVCodecContext *avctx)
200 AOMContext *ctx = avctx->priv_data;
202 aom_codec_destroy(&ctx->encoder);
203 av_freep(&ctx->twopass_stats.buf);
204 av_freep(&avctx->stats_out);
205 free_frame_list(ctx->coded_frame_list);
206 av_bsf_free(&ctx->bsf);
210 static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
211 struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
212 aom_img_fmt_t *img_fmt)
214 AOMContext av_unused *ctx = avctx->priv_data;
215 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
216 switch (avctx->pix_fmt) {
217 case AV_PIX_FMT_YUV420P:
218 enccfg->g_profile = FF_PROFILE_AV1_MAIN;
219 *img_fmt = AOM_IMG_FMT_I420;
221 case AV_PIX_FMT_YUV422P:
222 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
223 *img_fmt = AOM_IMG_FMT_I422;
225 case AV_PIX_FMT_YUV444P:
226 enccfg->g_profile = FF_PROFILE_AV1_HIGH;
227 *img_fmt = AOM_IMG_FMT_I444;
229 case AV_PIX_FMT_YUV420P10:
230 case AV_PIX_FMT_YUV420P12:
231 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
232 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
233 avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
235 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
236 *img_fmt = AOM_IMG_FMT_I42016;
237 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
241 case AV_PIX_FMT_YUV422P10:
242 case AV_PIX_FMT_YUV422P12:
243 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
244 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
245 avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
246 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
247 *img_fmt = AOM_IMG_FMT_I42216;
248 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
252 case AV_PIX_FMT_YUV444P10:
253 case AV_PIX_FMT_YUV444P12:
254 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
255 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
256 avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ? 10 : 12;
258 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
259 *img_fmt = AOM_IMG_FMT_I44416;
260 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
267 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
268 return AVERROR_INVALIDDATA;
271 static void set_color_range(AVCodecContext *avctx)
273 enum aom_color_range aom_cr;
274 switch (avctx->color_range) {
275 case AVCOL_RANGE_UNSPECIFIED:
276 case AVCOL_RANGE_MPEG: aom_cr = AOM_CR_STUDIO_RANGE; break;
277 case AVCOL_RANGE_JPEG: aom_cr = AOM_CR_FULL_RANGE; break;
279 av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
284 codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
287 static av_cold int aom_init(AVCodecContext *avctx,
288 const struct aom_codec_iface *iface)
290 AOMContext *ctx = avctx->priv_data;
291 struct aom_codec_enc_cfg enccfg = { 0 };
292 aom_codec_flags_t flags = 0;
293 AVCPBProperties *cpb_props;
295 aom_img_fmt_t img_fmt;
296 aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);
298 av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
299 av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
301 if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
302 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
303 aom_codec_err_to_string(res));
304 return AVERROR(EINVAL);
307 if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
308 return AVERROR(EINVAL);
311 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
312 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
313 return AVERROR(EINVAL);
316 dump_enc_cfg(avctx, &enccfg);
318 enccfg.g_w = avctx->width;
319 enccfg.g_h = avctx->height;
320 enccfg.g_timebase.num = avctx->time_base.num;
321 enccfg.g_timebase.den = avctx->time_base.den;
322 enccfg.g_threads = avctx->thread_count ? avctx->thread_count : av_cpu_count();
324 if (ctx->lag_in_frames >= 0)
325 enccfg.g_lag_in_frames = ctx->lag_in_frames;
327 if (avctx->flags & AV_CODEC_FLAG_PASS1)
328 enccfg.g_pass = AOM_RC_FIRST_PASS;
329 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
330 enccfg.g_pass = AOM_RC_LAST_PASS;
332 enccfg.g_pass = AOM_RC_ONE_PASS;
334 if (avctx->rc_min_rate == avctx->rc_max_rate &&
335 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
336 enccfg.rc_end_usage = AOM_CBR;
337 } else if (ctx->crf >= 0) {
338 enccfg.rc_end_usage = AOM_CQ;
339 if (!avctx->bit_rate)
340 enccfg.rc_end_usage = AOM_Q;
343 if (avctx->bit_rate) {
344 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
346 } else if (enccfg.rc_end_usage != AOM_Q) {
347 if (enccfg.rc_end_usage == AOM_CQ) {
348 enccfg.rc_target_bitrate = 1000000;
350 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
351 av_log(avctx, AV_LOG_WARNING,
352 "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
353 enccfg.rc_target_bitrate);
357 if (avctx->qmin >= 0)
358 enccfg.rc_min_quantizer = avctx->qmin;
359 if (avctx->qmax >= 0)
360 enccfg.rc_max_quantizer = avctx->qmax;
362 if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
363 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
364 av_log(avctx, AV_LOG_ERROR,
365 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
366 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
367 return AVERROR(EINVAL);
371 enccfg.rc_dropframe_thresh = ctx->drop_threshold;
373 // 0-100 (0 => CBR, 100 => VBR)
374 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
376 enccfg.rc_2pass_vbr_minsection_pct =
377 avctx->rc_min_rate * 100LL / avctx->bit_rate;
378 if (avctx->rc_max_rate)
379 enccfg.rc_2pass_vbr_maxsection_pct =
380 avctx->rc_max_rate * 100LL / avctx->bit_rate;
382 if (avctx->rc_buffer_size)
384 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
385 if (avctx->rc_initial_buffer_occupancy)
386 enccfg.rc_buf_initial_sz =
387 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
388 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
390 // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
391 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
392 enccfg.kf_min_dist = avctx->keyint_min;
393 if (avctx->gop_size >= 0)
394 enccfg.kf_max_dist = avctx->gop_size;
396 if (enccfg.g_pass == AOM_RC_FIRST_PASS)
397 enccfg.g_lag_in_frames = 0;
398 else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
399 int decode_size, ret;
401 if (!avctx->stats_in) {
402 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
403 return AVERROR_INVALIDDATA;
406 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
407 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
409 av_log(avctx, AV_LOG_ERROR,
410 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
411 ctx->twopass_stats.sz);
412 ctx->twopass_stats.sz = 0;
415 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
416 ctx->twopass_stats.sz);
417 if (decode_size < 0) {
418 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
419 return AVERROR_INVALIDDATA;
422 ctx->twopass_stats.sz = decode_size;
423 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
426 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
427 * complexity playback on low powered devices at the expense of encode
429 if (avctx->profile != FF_PROFILE_UNKNOWN)
430 enccfg.g_profile = avctx->profile;
432 enccfg.g_error_resilient = ctx->error_resilient;
434 dump_enc_cfg(avctx, &enccfg);
435 /* Construct Encoder Context */
436 res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
437 if (res != AOM_CODEC_OK) {
438 log_encoder_error(avctx, "Failed to initialize encoder");
439 return AVERROR(EINVAL);
442 // codec control failures are currently treated only as warnings
443 av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
444 codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
445 if (ctx->auto_alt_ref >= 0)
446 codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
448 codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
450 codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
452 codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
453 codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
454 codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
455 set_color_range(avctx);
457 // provide dummy value to initialize wrapper, values will be updated each _encode()
458 aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
461 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
462 ctx->rawimg.bit_depth = enccfg.g_bit_depth;
464 cpb_props = ff_add_cpb_side_data(avctx);
466 return AVERROR(ENOMEM);
468 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
469 const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
473 av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
474 "not found. This is a bug, please report it.\n");
477 ret = av_bsf_alloc(filter, &ctx->bsf);
481 ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
485 ret = av_bsf_init(ctx->bsf);
490 if (enccfg.rc_end_usage == AOM_CBR ||
491 enccfg.g_pass != AOM_RC_ONE_PASS) {
492 cpb_props->max_bitrate = avctx->rc_max_rate;
493 cpb_props->min_bitrate = avctx->rc_min_rate;
494 cpb_props->avg_bitrate = avctx->bit_rate;
496 cpb_props->buffer_size = avctx->rc_buffer_size;
501 static inline void cx_pktcpy(struct FrameListData *dst,
502 const struct aom_codec_cx_pkt *src)
504 dst->pts = src->data.frame.pts;
505 dst->duration = src->data.frame.duration;
506 dst->flags = src->data.frame.flags;
507 dst->sz = src->data.frame.sz;
508 dst->buf = src->data.frame.buf;
512 * Store coded frame information in format suitable for return from encode2().
514 * Write information from @a cx_frame to @a pkt
515 * @return packet data size on success
516 * @return a negative AVERROR on error
518 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
521 AOMContext *ctx = avctx->priv_data;
522 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
524 av_log(avctx, AV_LOG_ERROR,
525 "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
528 memcpy(pkt->data, cx_frame->buf, pkt->size);
529 pkt->pts = pkt->dts = cx_frame->pts;
531 if (!!(cx_frame->flags & AOM_FRAME_IS_KEY))
532 pkt->flags |= AV_PKT_FLAG_KEY;
534 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
535 ret = av_bsf_send_packet(ctx->bsf, pkt);
537 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
538 "failed to send input packet\n");
541 ret = av_bsf_receive_packet(ctx->bsf, pkt);
544 av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
545 "failed to receive output packet\n");
553 * Queue multiple output frames from the encoder, returning the front-most.
554 * In cases where aom_codec_get_cx_data() returns more than 1 frame append
555 * the frame queue. Return the head frame if available.
556 * @return Stored frame size
557 * @return AVERROR(EINVAL) on output size error
558 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
560 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
562 AOMContext *ctx = avctx->priv_data;
563 const struct aom_codec_cx_pkt *pkt;
564 const void *iter = NULL;
567 if (ctx->coded_frame_list) {
568 struct FrameListData *cx_frame = ctx->coded_frame_list;
569 /* return the leading frame if we've already begun queueing */
570 size = storeframe(avctx, cx_frame, pkt_out);
573 ctx->coded_frame_list = cx_frame->next;
574 free_coded_frame(cx_frame);
577 /* consume all available output from the encoder before returning. buffers
578 * are only good through the next aom_codec call */
579 while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
581 case AOM_CODEC_CX_FRAME_PKT:
583 struct FrameListData cx_frame;
585 /* avoid storing the frame when the list is empty and we haven't yet
586 * provided a frame for output */
587 av_assert0(!ctx->coded_frame_list);
588 cx_pktcpy(&cx_frame, pkt);
589 size = storeframe(avctx, &cx_frame, pkt_out);
593 struct FrameListData *cx_frame =
594 av_malloc(sizeof(struct FrameListData));
597 av_log(avctx, AV_LOG_ERROR,
598 "Frame queue element alloc failed\n");
599 return AVERROR(ENOMEM);
601 cx_pktcpy(cx_frame, pkt);
602 cx_frame->buf = av_malloc(cx_frame->sz);
604 if (!cx_frame->buf) {
605 av_log(avctx, AV_LOG_ERROR,
606 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
609 return AVERROR(ENOMEM);
611 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
612 coded_frame_add(&ctx->coded_frame_list, cx_frame);
615 case AOM_CODEC_STATS_PKT:
617 struct aom_fixed_buf *stats = &ctx->twopass_stats;
619 if ((err = av_reallocp(&stats->buf,
621 pkt->data.twopass_stats.sz)) < 0) {
623 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
626 memcpy((uint8_t *)stats->buf + stats->sz,
627 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
628 stats->sz += pkt->data.twopass_stats.sz;
631 case AOM_CODEC_PSNR_PKT: // FIXME add support for AV_CODEC_FLAG_PSNR
632 case AOM_CODEC_CUSTOM_PKT:
633 // ignore unsupported/unrecognized packet types
641 static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
642 const AVFrame *frame, int *got_packet)
644 AOMContext *ctx = avctx->priv_data;
645 struct aom_image *rawimg = NULL;
646 int64_t timestamp = 0;
648 aom_enc_frame_flags_t flags = 0;
651 rawimg = &ctx->rawimg;
652 rawimg->planes[AOM_PLANE_Y] = frame->data[0];
653 rawimg->planes[AOM_PLANE_U] = frame->data[1];
654 rawimg->planes[AOM_PLANE_V] = frame->data[2];
655 rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
656 rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
657 rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
658 timestamp = frame->pts;
659 switch (frame->color_range) {
660 case AVCOL_RANGE_MPEG:
661 rawimg->range = AOM_CR_STUDIO_RANGE;
663 case AVCOL_RANGE_JPEG:
664 rawimg->range = AOM_CR_FULL_RANGE;
668 if (frame->pict_type == AV_PICTURE_TYPE_I)
669 flags |= AOM_EFLAG_FORCE_KF;
672 res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
673 avctx->ticks_per_frame, flags);
674 if (res != AOM_CODEC_OK) {
675 log_encoder_error(avctx, "Error encoding frame");
676 return AVERROR_INVALIDDATA;
678 coded_size = queue_frames(avctx, pkt);
680 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
681 size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
683 avctx->stats_out = av_malloc(b64_size);
684 if (!avctx->stats_out) {
685 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
687 return AVERROR(ENOMEM);
689 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
690 ctx->twopass_stats.sz);
693 *got_packet = !!coded_size;
697 static const enum AVPixelFormat av1_pix_fmts[] = {
704 static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
708 AV_PIX_FMT_YUV420P10,
709 AV_PIX_FMT_YUV422P10,
710 AV_PIX_FMT_YUV444P10,
711 AV_PIX_FMT_YUV420P12,
712 AV_PIX_FMT_YUV422P12,
713 AV_PIX_FMT_YUV444P12,
717 static av_cold void av1_init_static(AVCodec *codec)
719 aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
720 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
721 codec->pix_fmts = av1_pix_fmts_highbd;
723 codec->pix_fmts = av1_pix_fmts;
726 static av_cold int av1_init(AVCodecContext *avctx)
728 return aom_init(avctx, aom_codec_av1_cx());
731 #define OFFSET(x) offsetof(AOMContext, x)
732 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
733 static const AVOption options[] = {
734 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},
735 { "auto-alt-ref", "Enable use of alternate reference "
736 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
737 { "lag-in-frames", "Number of frames to look ahead at for "
738 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
739 { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
740 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
741 { "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
742 { "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 },
743 { "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
744 { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE},
748 static const AVCodecDefault defaults[] = {
752 { "keyint_min", "-1" },
756 static const AVClass class_aom = {
757 .class_name = "libaom-av1 encoder",
758 .item_name = av_default_item_name,
760 .version = LIBAVUTIL_VERSION_INT,
763 AVCodec ff_libaom_av1_encoder = {
764 .name = "libaom-av1",
765 .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
766 .type = AVMEDIA_TYPE_VIDEO,
767 .id = AV_CODEC_ID_AV1,
768 .priv_data_size = sizeof(AOMContext),
770 .encode2 = aom_encode,
772 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL,
773 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
774 .priv_class = &class_aom,
775 .defaults = defaults,
776 .init_static_data = av1_init_static,
777 .wrapper_name = "libaom",