diff options
author | Luca Barbato <lu_zero@gentoo.org> | 2018-02-11 23:33:25 +0300 |
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committer | Luca Barbato <lu_zero@gentoo.org> | 2018-03-12 14:10:33 +0300 |
commit | 43778a501f1bfbceeddc8eaeea2ea2b3506beeda (patch) | |
tree | 598cd1bcf947ff5b682d44e6fa061988bad19f45 /libavcodec/libaomenc.c | |
parent | c438899a706422b8362a13714580e988be4d638b (diff) |
Support AV1 encoding using libaom
Diffstat (limited to 'libavcodec/libaomenc.c')
-rw-r--r-- | libavcodec/libaomenc.c | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c new file mode 100644 index 0000000000..94b3ddd326 --- /dev/null +++ b/libavcodec/libaomenc.c @@ -0,0 +1,583 @@ +/* + * Copyright (c) 2010, Google, Inc. + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define AOM_DISABLE_CTRL_TYPECHECKS 1 +#include <aom/aom_encoder.h> +#include <aom/aomcx.h> + +#include "libavutil/base64.h" +#include "libavutil/common.h" +#include "libavutil/mathematics.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" + +#include "avcodec.h" +#include "internal.h" +#include "libaom.h" + +/* + * Portion of struct aom_codec_cx_pkt from aom_encoder.h. + * One encoded frame returned from the library. + */ +struct FrameListData { + void *buf; /* compressed data buffer */ + size_t sz; /* length of compressed data */ + int64_t pts; /* time stamp to show frame + * (in timebase units) */ + unsigned long duration; /* duration to show frame + * (in timebase units) */ + uint32_t flags; /* flags for this frame */ + struct FrameListData *next; +}; + +typedef struct AOMEncoderContext { + AVClass *class; + struct aom_codec_ctx encoder; + struct aom_image rawimg; + struct aom_fixed_buf twopass_stats; + struct FrameListData *coded_frame_list; + int cpu_used; + int auto_alt_ref; + int lag_in_frames; + int error_resilient; + int crf; + int static_thresh; + int drop_threshold; + int noise_sensitivity; +} AOMContext; + +static const char *const ctlidstr[] = { + [AOME_SET_CPUUSED] = "AOME_SET_CPUUSED", + [AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL", + [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF", + [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD", +}; + +static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc) +{ + AOMContext *ctx = avctx->priv_data; + const char *error = aom_codec_error(&ctx->encoder); + const char *detail = aom_codec_error_detail(&ctx->encoder); + + av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error); + if (detail) + av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail); +} + +static av_cold void dump_enc_cfg(AVCodecContext *avctx, + const struct aom_codec_enc_cfg *cfg) +{ + int width = -30; + int level = AV_LOG_DEBUG; + + av_log(avctx, level, "aom_codec_enc_cfg\n"); + av_log(avctx, level, "generic settings\n" + " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n" + " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n", + width, "g_usage:", cfg->g_usage, + width, "g_threads:", cfg->g_threads, + width, "g_profile:", cfg->g_profile, + width, "g_w:", cfg->g_w, + width, "g_h:", cfg->g_h, + width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den, + width, "g_error_resilient:", cfg->g_error_resilient, + width, "g_pass:", cfg->g_pass, + width, "g_lag_in_frames:", cfg->g_lag_in_frames); + av_log(avctx, level, "rate control settings\n" + " %*s%u\n %*s%d\n %*s%p(%zu)\n %*s%u\n", + width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh, + width, "rc_end_usage:", cfg->rc_end_usage, + width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz, + width, "rc_target_bitrate:", cfg->rc_target_bitrate); + av_log(avctx, level, "quantizer settings\n" + " %*s%u\n %*s%u\n", + width, "rc_min_quantizer:", cfg->rc_min_quantizer, + width, "rc_max_quantizer:", cfg->rc_max_quantizer); + av_log(avctx, level, "bitrate tolerance\n" + " %*s%u\n %*s%u\n", + width, "rc_undershoot_pct:", cfg->rc_undershoot_pct, + width, "rc_overshoot_pct:", cfg->rc_overshoot_pct); + av_log(avctx, level, "decoder buffer model\n" + " %*s%u\n %*s%u\n %*s%u\n", + width, "rc_buf_sz:", cfg->rc_buf_sz, + width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz, + width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz); + av_log(avctx, level, "2 pass rate control settings\n" + " %*s%u\n %*s%u\n %*s%u\n", + width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct, + width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct, + width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct); + av_log(avctx, level, "keyframing settings\n" + " %*s%d\n %*s%u\n %*s%u\n", + width, "kf_mode:", cfg->kf_mode, + width, "kf_min_dist:", cfg->kf_min_dist, + width, "kf_max_dist:", cfg->kf_max_dist); + av_log(avctx, level, "\n"); +} + +static void coded_frame_add(void *list, struct FrameListData *cx_frame) +{ + struct FrameListData **p = list; + + while (*p) + p = &(*p)->next; + *p = cx_frame; + cx_frame->next = NULL; +} + +static av_cold void free_coded_frame(struct FrameListData *cx_frame) +{ + av_freep(&cx_frame->buf); + av_freep(&cx_frame); +} + +static av_cold void free_frame_list(struct FrameListData *list) +{ + struct FrameListData *p = list; + + while (p) { + list = list->next; + free_coded_frame(p); + p = list; + } +} + +static av_cold int codecctl_int(AVCodecContext *avctx, + enum aome_enc_control_id id, int val) +{ + AOMContext *ctx = avctx->priv_data; + char buf[80]; + int width = -30; + int res; + + snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]); + av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val); + + res = aom_codec_control(&ctx->encoder, id, val); + if (res != AOM_CODEC_OK) { + snprintf(buf, sizeof(buf), "Failed to set %s codec control", + ctlidstr[id]); + log_encoder_error(avctx, buf); + return AVERROR(EINVAL); + } + + return 0; +} + +static av_cold int aom_free(AVCodecContext *avctx) +{ + AOMContext *ctx = avctx->priv_data; + + aom_codec_destroy(&ctx->encoder); + av_freep(&ctx->twopass_stats.buf); + av_freep(&avctx->stats_out); + free_frame_list(ctx->coded_frame_list); + return 0; +} + +static av_cold int aom_init(AVCodecContext *avctx) +{ + AOMContext *ctx = avctx->priv_data; + struct aom_codec_enc_cfg enccfg = { 0 }; + AVCPBProperties *cpb_props; + int res; + const struct aom_codec_iface *iface = &aom_codec_av1_cx_algo; + + av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str()); + av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config()); + + if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) { + av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n", + aom_codec_err_to_string(res)); + return AVERROR(EINVAL); + } + dump_enc_cfg(avctx, &enccfg); + + enccfg.g_w = avctx->width; + enccfg.g_h = avctx->height; + enccfg.g_timebase.num = avctx->time_base.num; + enccfg.g_timebase.den = avctx->time_base.den; + enccfg.g_threads = avctx->thread_count; + + if (ctx->lag_in_frames >= 0) + enccfg.g_lag_in_frames = ctx->lag_in_frames; + + if (avctx->flags & AV_CODEC_FLAG_PASS1) + enccfg.g_pass = AOM_RC_FIRST_PASS; + else if (avctx->flags & AV_CODEC_FLAG_PASS2) + enccfg.g_pass = AOM_RC_LAST_PASS; + else + enccfg.g_pass = AOM_RC_ONE_PASS; + + if (!avctx->bit_rate) + avctx->bit_rate = enccfg.rc_target_bitrate * 1000; + else + enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, + AV_ROUND_NEAR_INF); + + if (ctx->crf) + enccfg.rc_end_usage = AOM_CQ; + else if (avctx->rc_min_rate == avctx->rc_max_rate && + avctx->rc_min_rate == avctx->bit_rate) + enccfg.rc_end_usage = AOM_CBR; + + if (avctx->qmin > 0) + enccfg.rc_min_quantizer = avctx->qmin; + if (avctx->qmax > 0) + enccfg.rc_max_quantizer = avctx->qmax; + + enccfg.rc_dropframe_thresh = ctx->drop_threshold; + + // 0-100 (0 => CBR, 100 => VBR) + enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100); + enccfg.rc_2pass_vbr_minsection_pct = + avctx->rc_min_rate * 100LL / avctx->bit_rate; + if (avctx->rc_max_rate) + enccfg.rc_2pass_vbr_maxsection_pct = + avctx->rc_max_rate * 100LL / avctx->bit_rate; + + if (avctx->rc_buffer_size) + enccfg.rc_buf_sz = + avctx->rc_buffer_size * 1000LL / avctx->bit_rate; + if (avctx->rc_initial_buffer_occupancy) + enccfg.rc_buf_initial_sz = + avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate; + enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6; + + // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO + if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size) + enccfg.kf_min_dist = avctx->keyint_min; + if (avctx->gop_size >= 0) + enccfg.kf_max_dist = avctx->gop_size; + + if (enccfg.g_pass == AOM_RC_FIRST_PASS) + enccfg.g_lag_in_frames = 0; + else if (enccfg.g_pass == AOM_RC_LAST_PASS) { + int decode_size, ret; + + if (!avctx->stats_in) { + av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n"); + return AVERROR_INVALIDDATA; + } + + ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4; + ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, + "Stat buffer alloc (%zu bytes) failed\n", + ctx->twopass_stats.sz); + return ret; + } + decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in, + ctx->twopass_stats.sz); + if (decode_size < 0) { + av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n"); + return AVERROR_INVALIDDATA; + } + + ctx->twopass_stats.sz = decode_size; + enccfg.rc_twopass_stats_in = ctx->twopass_stats; + } + + /* 0-3: For non-zero values the encoder increasingly optimizes for reduced + * complexity playback on low powered devices at the expense of encode + * quality. */ + if (avctx->profile != FF_PROFILE_UNKNOWN) + enccfg.g_profile = avctx->profile; + else if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) + avctx->profile = enccfg.g_profile = FF_PROFILE_AV1_0; + else { + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); + if (desc->comp[0].depth < 12) + avctx->profile = enccfg.g_profile = FF_PROFILE_AV1_1; + else + avctx->profile = enccfg.g_profile = FF_PROFILE_AV1_2; + } + + + enccfg.g_error_resilient = ctx->error_resilient; + + dump_enc_cfg(avctx, &enccfg); + /* Construct Encoder Context */ + res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, 0); + if (res != AOM_CODEC_OK) { + log_encoder_error(avctx, "Failed to initialize encoder"); + return AVERROR(EINVAL); + } + + // codec control failures are currently treated only as warnings + av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n"); + if (ctx->cpu_used != INT_MIN) + codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used); + if (ctx->auto_alt_ref >= 0) + codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref); + + codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh); + codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf); + + // provide dummy value to initialize wrapper, values will be updated each _encode() + aom_img_wrap(&ctx->rawimg, ff_aom_pixfmt_to_imgfmt(avctx->pix_fmt), + avctx->width, avctx->height, 1, (unsigned char *)1); + + cpb_props = ff_add_cpb_side_data(avctx); + if (!cpb_props) + return AVERROR(ENOMEM); + + if (enccfg.rc_end_usage == AOM_CBR || + enccfg.g_pass != AOM_RC_ONE_PASS) { + cpb_props->max_bitrate = avctx->rc_max_rate; + cpb_props->min_bitrate = avctx->rc_min_rate; + cpb_props->avg_bitrate = avctx->bit_rate; + } + cpb_props->buffer_size = avctx->rc_buffer_size; + + return 0; +} + +static inline void cx_pktcpy(struct FrameListData *dst, + const struct aom_codec_cx_pkt *src) +{ + dst->pts = src->data.frame.pts; + dst->duration = src->data.frame.duration; + dst->flags = src->data.frame.flags; + dst->sz = src->data.frame.sz; + dst->buf = src->data.frame.buf; +} + +/** + * Store coded frame information in format suitable for return from encode2(). + * + * Write information from @a cx_frame to @a pkt + * @return packet data size on success + * @return a negative AVERROR on error + */ +static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame, + AVPacket *pkt) +{ + int ret = ff_alloc_packet(pkt, cx_frame->sz); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, + "Error getting output packet of size %zu.\n", cx_frame->sz); + return ret; + } + memcpy(pkt->data, cx_frame->buf, pkt->size); + pkt->pts = pkt->dts = cx_frame->pts; + + if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) + pkt->flags |= AV_PKT_FLAG_KEY; + return pkt->size; +} + +/** + * Queue multiple output frames from the encoder, returning the front-most. + * In cases where aom_codec_get_cx_data() returns more than 1 frame append + * the frame queue. Return the head frame if available. + * @return Stored frame size + * @return AVERROR(EINVAL) on output size error + * @return AVERROR(ENOMEM) on coded frame queue data allocation error + */ +static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out) +{ + AOMContext *ctx = avctx->priv_data; + const struct aom_codec_cx_pkt *pkt; + const void *iter = NULL; + int size = 0; + + if (ctx->coded_frame_list) { + struct FrameListData *cx_frame = ctx->coded_frame_list; + /* return the leading frame if we've already begun queueing */ + size = storeframe(avctx, cx_frame, pkt_out); + if (size < 0) + return size; + ctx->coded_frame_list = cx_frame->next; + free_coded_frame(cx_frame); + } + + /* consume all available output from the encoder before returning. buffers + * are only good through the next aom_codec call */ + while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) { + switch (pkt->kind) { + case AOM_CODEC_CX_FRAME_PKT: + if (!size) { + struct FrameListData cx_frame; + + /* avoid storing the frame when the list is empty and we haven't yet + * provided a frame for output */ + assert(!ctx->coded_frame_list); + cx_pktcpy(&cx_frame, pkt); + size = storeframe(avctx, &cx_frame, pkt_out); + if (size < 0) + return size; + } else { + struct FrameListData *cx_frame = + av_malloc(sizeof(struct FrameListData)); + + if (!cx_frame) { + av_log(avctx, AV_LOG_ERROR, + "Frame queue element alloc failed\n"); + return AVERROR(ENOMEM); + } + cx_pktcpy(cx_frame, pkt); + cx_frame->buf = av_malloc(cx_frame->sz); + + if (!cx_frame->buf) { + av_log(avctx, AV_LOG_ERROR, + "Data buffer alloc (%zu bytes) failed\n", + cx_frame->sz); + av_freep(&cx_frame); + return AVERROR(ENOMEM); + } + memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz); + coded_frame_add(&ctx->coded_frame_list, cx_frame); + } + break; + case AOM_CODEC_STATS_PKT: + { + struct aom_fixed_buf *stats = &ctx->twopass_stats; + int err; + if ((err = av_reallocp(&stats->buf, + stats->sz + + pkt->data.twopass_stats.sz)) < 0) { + stats->sz = 0; + av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n"); + return err; + } + memcpy((uint8_t *)stats->buf + stats->sz, + pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz); + stats->sz += pkt->data.twopass_stats.sz; + break; + } + case AOM_CODEC_PSNR_PKT: // FIXME add support for AV_CODEC_FLAG_PSNR + case AOM_CODEC_CUSTOM_PKT: + // ignore unsupported/unrecognized packet types + break; + } + } + + return size; +} + +static int aom_encode(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *frame, int *got_packet) +{ + AOMContext *ctx = avctx->priv_data; + struct aom_image *rawimg = NULL; + int64_t timestamp = 0; + int res, coded_size; + aom_enc_frame_flags_t flags = 0; + + if (frame) { + rawimg = &ctx->rawimg; + rawimg->planes[AOM_PLANE_Y] = frame->data[0]; + rawimg->planes[AOM_PLANE_U] = frame->data[1]; + rawimg->planes[AOM_PLANE_V] = frame->data[2]; + rawimg->stride[AOM_PLANE_Y] = frame->linesize[0]; + rawimg->stride[AOM_PLANE_U] = frame->linesize[1]; + rawimg->stride[AOM_PLANE_V] = frame->linesize[2]; + timestamp = frame->pts; + switch (frame->color_range) { + case AVCOL_RANGE_MPEG: + rawimg->range = AOM_CR_STUDIO_RANGE; + break; + case AVCOL_RANGE_JPEG: + rawimg->range = AOM_CR_FULL_RANGE; + break; + } + + if (frame->pict_type == AV_PICTURE_TYPE_I) + flags |= AOM_EFLAG_FORCE_KF; + } + + res = aom_codec_encode(&ctx->encoder, rawimg, timestamp, + avctx->ticks_per_frame, flags); + if (res != AOM_CODEC_OK) { + log_encoder_error(avctx, "Error encoding frame"); + return AVERROR_INVALIDDATA; + } + coded_size = queue_frames(avctx, pkt); + + if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) { + size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz); + + avctx->stats_out = av_malloc(b64_size); + if (!avctx->stats_out) { + av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%zu bytes) failed\n", + b64_size); + return AVERROR(ENOMEM); + } + av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf, + ctx->twopass_stats.sz); + } + + *got_packet = !!coded_size; + return 0; +} + +#define OFFSET(x) offsetof(AOMContext, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption options[] = { + { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, INT_MIN, INT_MAX, VE}, + { "auto-alt-ref", "Enable use of alternate reference " + "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE}, + { "lag-in-frames", "Number of frames to look ahead at for " + "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, + { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, + { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, + { "partitions", "The frame partitions are independently decodable " + "by the bool decoder, meaning that partitions can be decoded even " + "though earlier partitions have been lost. Note that intra predicition" + " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, + { "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE }, + { "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 }, + { "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE }, + { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE}, + { NULL } +}; + +static const AVCodecDefault defaults[] = { + { "qmin", "-1" }, + { "qmax", "-1" }, + { "g", "-1" }, + { "keyint_min", "-1" }, + { NULL }, +}; + +static const AVClass class_aom = { + .class_name = "libaom encoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +AVCodec ff_libaom_av1_encoder = { + .name = "libaom-av1", + .long_name = NULL_IF_CONFIG_SMALL("libaom AV1"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_AV1, + .priv_data_size = sizeof(AOMContext), + .init = aom_init, + .encode2 = aom_encode, + .close = aom_free, + .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL, + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, + .priv_class = &class_aom, + .defaults = defaults, + .wrapper_name = "libaom", +}; |