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 {
58 struct aom_codec_ctx encoder;
59 struct aom_image rawimg;
60 struct aom_fixed_buf twopass_stats;
61 struct FrameListData *coded_frame_list;
69 int noise_sensitivity;
72 static const char *const ctlidstr[] = {
73 [AOME_SET_CPUUSED] = "AOME_SET_CPUUSED",
74 [AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL",
75 [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
76 [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
77 [AV1E_SET_COLOR_RANGE] = "AV1E_SET_COLOR_RANGE",
78 [AV1E_SET_COLOR_PRIMARIES] = "AV1E_SET_COLOR_PRIMARIES",
79 [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
80 [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
83 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
85 AOMContext *ctx = avctx->priv_data;
86 const char *error = aom_codec_error(&ctx->encoder);
87 const char *detail = aom_codec_error_detail(&ctx->encoder);
89 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
91 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
94 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
95 const struct aom_codec_enc_cfg *cfg)
98 int level = AV_LOG_DEBUG;
100 av_log(avctx, level, "aom_codec_enc_cfg\n");
101 av_log(avctx, level, "generic settings\n"
102 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
104 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
105 width, "g_usage:", cfg->g_usage,
106 width, "g_threads:", cfg->g_threads,
107 width, "g_profile:", cfg->g_profile,
108 width, "g_w:", cfg->g_w,
109 width, "g_h:", cfg->g_h,
110 width, "g_bit_depth:", cfg->g_bit_depth,
111 width, "g_input_bit_depth:", cfg->g_input_bit_depth,
112 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
113 width, "g_error_resilient:", cfg->g_error_resilient,
114 width, "g_pass:", cfg->g_pass,
115 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
116 av_log(avctx, level, "rate control settings\n"
117 " %*s%u\n %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
118 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
119 width, "rc_end_usage:", cfg->rc_end_usage,
120 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
121 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
122 av_log(avctx, level, "quantizer settings\n"
124 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
125 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
126 av_log(avctx, level, "bitrate tolerance\n"
128 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
129 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
130 av_log(avctx, level, "decoder buffer model\n"
131 " %*s%u\n %*s%u\n %*s%u\n",
132 width, "rc_buf_sz:", cfg->rc_buf_sz,
133 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
134 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
135 av_log(avctx, level, "2 pass rate control settings\n"
136 " %*s%u\n %*s%u\n %*s%u\n",
137 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
138 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
139 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
140 av_log(avctx, level, "keyframing settings\n"
141 " %*s%d\n %*s%u\n %*s%u\n",
142 width, "kf_mode:", cfg->kf_mode,
143 width, "kf_min_dist:", cfg->kf_min_dist,
144 width, "kf_max_dist:", cfg->kf_max_dist);
145 av_log(avctx, level, "\n");
148 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
150 struct FrameListData **p = list;
155 cx_frame->next = NULL;
158 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
160 av_freep(&cx_frame->buf);
164 static av_cold void free_frame_list(struct FrameListData *list)
166 struct FrameListData *p = list;
175 static av_cold int codecctl_int(AVCodecContext *avctx,
176 enum aome_enc_control_id id, int val)
178 AOMContext *ctx = avctx->priv_data;
183 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
184 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
186 res = aom_codec_control(&ctx->encoder, id, val);
187 if (res != AOM_CODEC_OK) {
188 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
190 log_encoder_error(avctx, buf);
191 return AVERROR(EINVAL);
197 static av_cold int aom_free(AVCodecContext *avctx)
199 AOMContext *ctx = avctx->priv_data;
201 aom_codec_destroy(&ctx->encoder);
202 av_freep(&ctx->twopass_stats.buf);
203 av_freep(&avctx->stats_out);
204 free_frame_list(ctx->coded_frame_list);
208 static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
209 struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
210 aom_img_fmt_t *img_fmt)
212 AOMContext av_unused *ctx = avctx->priv_data;
213 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
214 switch (avctx->pix_fmt) {
215 case AV_PIX_FMT_YUV420P:
216 enccfg->g_profile = FF_PROFILE_AV1_MAIN;
217 *img_fmt = AOM_IMG_FMT_I420;
219 case AV_PIX_FMT_YUV422P:
220 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
221 *img_fmt = AOM_IMG_FMT_I422;
223 case AV_PIX_FMT_YUV444P:
224 enccfg->g_profile = FF_PROFILE_AV1_HIGH;
225 *img_fmt = AOM_IMG_FMT_I444;
227 case AV_PIX_FMT_YUV420P10:
228 case AV_PIX_FMT_YUV420P12:
229 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
230 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
231 avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
233 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
234 *img_fmt = AOM_IMG_FMT_I42016;
235 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
239 case AV_PIX_FMT_YUV422P10:
240 case AV_PIX_FMT_YUV422P12:
241 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
242 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
243 avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
244 enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
245 *img_fmt = AOM_IMG_FMT_I42216;
246 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
250 case AV_PIX_FMT_YUV444P10:
251 case AV_PIX_FMT_YUV444P12:
252 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
253 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
254 avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ? 10 : 12;
256 enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
257 *img_fmt = AOM_IMG_FMT_I44416;
258 *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
265 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
266 return AVERROR_INVALIDDATA;
269 static void set_color_range(AVCodecContext *avctx)
271 enum aom_color_range aom_cr;
272 switch (avctx->color_range) {
273 case AVCOL_RANGE_UNSPECIFIED:
274 case AVCOL_RANGE_MPEG: aom_cr = AOM_CR_STUDIO_RANGE; break;
275 case AVCOL_RANGE_JPEG: aom_cr = AOM_CR_FULL_RANGE; break;
277 av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
282 codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
285 static av_cold int aom_init(AVCodecContext *avctx,
286 const struct aom_codec_iface *iface)
288 AOMContext *ctx = avctx->priv_data;
289 struct aom_codec_enc_cfg enccfg = { 0 };
290 aom_codec_flags_t flags = 0;
291 AVCPBProperties *cpb_props;
293 aom_img_fmt_t img_fmt;
294 aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);
296 av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
297 av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
299 if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
300 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
301 aom_codec_err_to_string(res));
302 return AVERROR(EINVAL);
305 if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
306 return AVERROR(EINVAL);
309 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
310 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
311 return AVERROR(EINVAL);
314 dump_enc_cfg(avctx, &enccfg);
316 enccfg.g_w = avctx->width;
317 enccfg.g_h = avctx->height;
318 enccfg.g_timebase.num = avctx->time_base.num;
319 enccfg.g_timebase.den = avctx->time_base.den;
320 enccfg.g_threads = avctx->thread_count;
322 if (ctx->lag_in_frames >= 0)
323 enccfg.g_lag_in_frames = ctx->lag_in_frames;
325 if (avctx->flags & AV_CODEC_FLAG_PASS1)
326 enccfg.g_pass = AOM_RC_FIRST_PASS;
327 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
328 enccfg.g_pass = AOM_RC_LAST_PASS;
330 enccfg.g_pass = AOM_RC_ONE_PASS;
332 if (avctx->rc_min_rate == avctx->rc_max_rate &&
333 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
334 enccfg.rc_end_usage = AOM_CBR;
335 } else if (ctx->crf >= 0) {
336 enccfg.rc_end_usage = AOM_CQ;
337 if (!avctx->bit_rate)
338 enccfg.rc_end_usage = AOM_Q;
341 if (avctx->bit_rate) {
342 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
344 } else if (enccfg.rc_end_usage != AOM_Q) {
345 if (enccfg.rc_end_usage == AOM_CQ) {
346 enccfg.rc_target_bitrate = 1000000;
348 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
349 av_log(avctx, AV_LOG_WARNING,
350 "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
351 enccfg.rc_target_bitrate);
355 if (avctx->qmin >= 0)
356 enccfg.rc_min_quantizer = avctx->qmin;
357 if (avctx->qmax >= 0)
358 enccfg.rc_max_quantizer = avctx->qmax;
360 if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
361 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
362 av_log(avctx, AV_LOG_ERROR,
363 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
364 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
365 return AVERROR(EINVAL);
369 enccfg.rc_dropframe_thresh = ctx->drop_threshold;
371 // 0-100 (0 => CBR, 100 => VBR)
372 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
374 enccfg.rc_2pass_vbr_minsection_pct =
375 avctx->rc_min_rate * 100LL / avctx->bit_rate;
376 if (avctx->rc_max_rate)
377 enccfg.rc_2pass_vbr_maxsection_pct =
378 avctx->rc_max_rate * 100LL / avctx->bit_rate;
380 if (avctx->rc_buffer_size)
382 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
383 if (avctx->rc_initial_buffer_occupancy)
384 enccfg.rc_buf_initial_sz =
385 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
386 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
388 // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
389 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
390 enccfg.kf_min_dist = avctx->keyint_min;
391 if (avctx->gop_size >= 0)
392 enccfg.kf_max_dist = avctx->gop_size;
394 if (enccfg.g_pass == AOM_RC_FIRST_PASS)
395 enccfg.g_lag_in_frames = 0;
396 else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
397 int decode_size, ret;
399 if (!avctx->stats_in) {
400 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
401 return AVERROR_INVALIDDATA;
404 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
405 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
407 av_log(avctx, AV_LOG_ERROR,
408 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
409 ctx->twopass_stats.sz);
410 ctx->twopass_stats.sz = 0;
413 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
414 ctx->twopass_stats.sz);
415 if (decode_size < 0) {
416 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
417 return AVERROR_INVALIDDATA;
420 ctx->twopass_stats.sz = decode_size;
421 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
424 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
425 * complexity playback on low powered devices at the expense of encode
427 if (avctx->profile != FF_PROFILE_UNKNOWN)
428 enccfg.g_profile = avctx->profile;
430 enccfg.g_error_resilient = ctx->error_resilient;
432 dump_enc_cfg(avctx, &enccfg);
433 /* Construct Encoder Context */
434 res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
435 if (res != AOM_CODEC_OK) {
436 log_encoder_error(avctx, "Failed to initialize encoder");
437 return AVERROR(EINVAL);
440 // codec control failures are currently treated only as warnings
441 av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
442 codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
443 if (ctx->auto_alt_ref >= 0)
444 codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
446 codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
448 codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
450 codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
451 codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
452 codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
453 set_color_range(avctx);
455 // provide dummy value to initialize wrapper, values will be updated each _encode()
456 aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
459 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
460 ctx->rawimg.bit_depth = enccfg.g_bit_depth;
462 cpb_props = ff_add_cpb_side_data(avctx);
464 return AVERROR(ENOMEM);
466 if (enccfg.rc_end_usage == AOM_CBR ||
467 enccfg.g_pass != AOM_RC_ONE_PASS) {
468 cpb_props->max_bitrate = avctx->rc_max_rate;
469 cpb_props->min_bitrate = avctx->rc_min_rate;
470 cpb_props->avg_bitrate = avctx->bit_rate;
472 cpb_props->buffer_size = avctx->rc_buffer_size;
477 static inline void cx_pktcpy(struct FrameListData *dst,
478 const struct aom_codec_cx_pkt *src)
480 dst->pts = src->data.frame.pts;
481 dst->duration = src->data.frame.duration;
482 dst->flags = src->data.frame.flags;
483 dst->sz = src->data.frame.sz;
484 dst->buf = src->data.frame.buf;
488 * Store coded frame information in format suitable for return from encode2().
490 * Write information from @a cx_frame to @a pkt
491 * @return packet data size on success
492 * @return a negative AVERROR on error
494 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
497 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
499 av_log(avctx, AV_LOG_ERROR,
500 "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
503 memcpy(pkt->data, cx_frame->buf, pkt->size);
504 pkt->pts = pkt->dts = cx_frame->pts;
506 if (!!(cx_frame->flags & AOM_FRAME_IS_KEY))
507 pkt->flags |= AV_PKT_FLAG_KEY;
512 * Queue multiple output frames from the encoder, returning the front-most.
513 * In cases where aom_codec_get_cx_data() returns more than 1 frame append
514 * the frame queue. Return the head frame if available.
515 * @return Stored frame size
516 * @return AVERROR(EINVAL) on output size error
517 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
519 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
521 AOMContext *ctx = avctx->priv_data;
522 const struct aom_codec_cx_pkt *pkt;
523 const void *iter = NULL;
526 if (ctx->coded_frame_list) {
527 struct FrameListData *cx_frame = ctx->coded_frame_list;
528 /* return the leading frame if we've already begun queueing */
529 size = storeframe(avctx, cx_frame, pkt_out);
532 ctx->coded_frame_list = cx_frame->next;
533 free_coded_frame(cx_frame);
536 /* consume all available output from the encoder before returning. buffers
537 * are only good through the next aom_codec call */
538 while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
540 case AOM_CODEC_CX_FRAME_PKT:
542 struct FrameListData cx_frame;
544 /* avoid storing the frame when the list is empty and we haven't yet
545 * provided a frame for output */
546 av_assert0(!ctx->coded_frame_list);
547 cx_pktcpy(&cx_frame, pkt);
548 size = storeframe(avctx, &cx_frame, pkt_out);
552 struct FrameListData *cx_frame =
553 av_malloc(sizeof(struct FrameListData));
556 av_log(avctx, AV_LOG_ERROR,
557 "Frame queue element alloc failed\n");
558 return AVERROR(ENOMEM);
560 cx_pktcpy(cx_frame, pkt);
561 cx_frame->buf = av_malloc(cx_frame->sz);
563 if (!cx_frame->buf) {
564 av_log(avctx, AV_LOG_ERROR,
565 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
568 return AVERROR(ENOMEM);
570 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
571 coded_frame_add(&ctx->coded_frame_list, cx_frame);
574 case AOM_CODEC_STATS_PKT:
576 struct aom_fixed_buf *stats = &ctx->twopass_stats;
578 if ((err = av_reallocp(&stats->buf,
580 pkt->data.twopass_stats.sz)) < 0) {
582 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
585 memcpy((uint8_t *)stats->buf + stats->sz,
586 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
587 stats->sz += pkt->data.twopass_stats.sz;
590 case AOM_CODEC_PSNR_PKT: // FIXME add support for AV_CODEC_FLAG_PSNR
591 case AOM_CODEC_CUSTOM_PKT:
592 // ignore unsupported/unrecognized packet types
600 static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
601 const AVFrame *frame, int *got_packet)
603 AOMContext *ctx = avctx->priv_data;
604 struct aom_image *rawimg = NULL;
605 int64_t timestamp = 0;
607 aom_enc_frame_flags_t flags = 0;
610 rawimg = &ctx->rawimg;
611 rawimg->planes[AOM_PLANE_Y] = frame->data[0];
612 rawimg->planes[AOM_PLANE_U] = frame->data[1];
613 rawimg->planes[AOM_PLANE_V] = frame->data[2];
614 rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
615 rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
616 rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
617 timestamp = frame->pts;
618 switch (frame->color_range) {
619 case AVCOL_RANGE_MPEG:
620 rawimg->range = AOM_CR_STUDIO_RANGE;
622 case AVCOL_RANGE_JPEG:
623 rawimg->range = AOM_CR_FULL_RANGE;
627 if (frame->pict_type == AV_PICTURE_TYPE_I)
628 flags |= AOM_EFLAG_FORCE_KF;
631 res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
632 avctx->ticks_per_frame, flags);
633 if (res != AOM_CODEC_OK) {
634 log_encoder_error(avctx, "Error encoding frame");
635 return AVERROR_INVALIDDATA;
637 coded_size = queue_frames(avctx, pkt);
639 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
640 size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
642 avctx->stats_out = av_malloc(b64_size);
643 if (!avctx->stats_out) {
644 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
646 return AVERROR(ENOMEM);
648 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
649 ctx->twopass_stats.sz);
652 *got_packet = !!coded_size;
656 static const enum AVPixelFormat av1_pix_fmts[] = {
663 static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
667 AV_PIX_FMT_YUV420P10,
668 AV_PIX_FMT_YUV422P10,
669 AV_PIX_FMT_YUV444P10,
670 AV_PIX_FMT_YUV420P12,
671 AV_PIX_FMT_YUV422P12,
672 AV_PIX_FMT_YUV444P12,
676 static av_cold void av1_init_static(AVCodec *codec)
678 aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
679 if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
680 codec->pix_fmts = av1_pix_fmts_highbd;
682 codec->pix_fmts = av1_pix_fmts;
685 static av_cold int av1_init(AVCodecContext *avctx)
687 return aom_init(avctx, aom_codec_av1_cx());
690 #define OFFSET(x) offsetof(AOMContext, x)
691 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
692 static const AVOption options[] = {
693 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
694 { "auto-alt-ref", "Enable use of alternate reference "
695 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
696 { "lag-in-frames", "Number of frames to look ahead at for "
697 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
698 { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
699 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
700 { "partitions", "The frame partitions are independently decodable "
701 "by the bool decoder, meaning that partitions can be decoded even "
702 "though earlier partitions have been lost. Note that intra predicition"
703 " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"},
704 { "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
705 { "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 },
706 { "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
707 { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE},
711 static const AVCodecDefault defaults[] = {
715 { "keyint_min", "-1" },
719 static const AVClass class_aom = {
720 .class_name = "libaom-av1 encoder",
721 .item_name = av_default_item_name,
723 .version = LIBAVUTIL_VERSION_INT,
726 AVCodec ff_libaom_av1_encoder = {
727 .name = "libaom-av1",
728 .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
729 .type = AVMEDIA_TYPE_VIDEO,
730 .id = AV_CODEC_ID_AV1,
731 .priv_data_size = sizeof(AOMContext),
733 .encode2 = aom_encode,
735 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL,
736 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
737 .priv_class = &class_aom,
738 .defaults = defaults,
739 .init_static_data = av1_init_static,
740 .wrapper_name = "libaom",