---
Since the bitstream will be frozen soon shouldn't hurt adding it.
configure | 1 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 2 +-
libavcodec/libaomenc.c | 602 +++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 605 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/libaomenc.c
diff --git a/configure b/configure
index 1bb9072da4..24eaccaeea 100755
--- a/configure
+++ b/configure
@@ -2314,6 +2314,7 @@ avxsynth_deps="libdl"
avisynth_demuxer_deps_any="avisynth avxsynth"
avisynth_demuxer_select="riffdec"
libaom_av1_decoder_deps="libaom"
+libaom_av1_encoder_deps="libaom"
libdcadec_decoder_deps="libdcadec"
libfaac_encoder_deps="libfaac"
libfaac_encoder_select="audio_frame_queue"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 0b50a839bc..ea0c9dceae 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -688,6 +688,7 @@ OBJS-$(CONFIG_WEBM_MUXER) += mpeg4audio.o
# external codec libraries
OBJS-$(CONFIG_LIBAOM_AV1_DECODER) += libaomdec.o libaom.o
+OBJS-$(CONFIG_LIBAOM_AV1_ENCODER) += libaomenc.o libaom.o
OBJS-$(CONFIG_LIBDCADEC_DECODER) += libdcadec.o dca.o
OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o
OBJS-$(CONFIG_LIBFDK_AAC_DECODER) += libfdk-aacdec.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index ec923cd511..4aee65762e 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -421,7 +421,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (XSUB, xsub);
/* external libraries */
- REGISTER_DECODER(LIBAOM_AV1, libaom_av1);
+ REGISTER_ENCDEC (LIBAOM_AV1, libaom_av1);
REGISTER_DECODER(LIBDCADEC, libdcadec)
REGISTER_ENCODER(LIBFAAC, libfaac);
REGISTER_ENCDEC (LIBFDK_AAC, libfdk_aac);
diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c
new file mode 100644
index 0000000000..e282966e28
--- /dev/null
+++ b/libavcodec/libaomenc.c
@@ -0,0 +1,602 @@
+/*
+ * 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
+ */
+
+/**
+ * @file
+ * AOM encoder support via libaom
+ */
+#define AOM_DISABLE_CTRL_TYPECHECKS 1
+#include <aom/aom_encoder.h>
+#include <aom/aomcx.h>
+
+#include "avcodec.h"
+#include "internal.h"
+#include "libaom.h"
+#include "libavutil/base64.h"
+#include "libavutil/common.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.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 res == AOM_CODEC_OK ? 0 : AVERROR(EINVAL);
+}
+
+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;
+
+#if FF_API_PRIVATE_OPT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (avctx->frame_skip_threshold)
+ ctx->drop_threshold = avctx->frame_skip_threshold;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ 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_VP9_0;
+ else
+ avctx->profile = enccfg.g_profile = FF_PROFILE_VP9_1;
+
+ 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) {
+ memcpy(pkt->data, cx_frame->buf, pkt->size);
+ pkt->pts = pkt->dts = cx_frame->pts;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->pts = cx_frame->pts;
+ avctx->coded_frame->key_frame = !!(cx_frame->flags & AOM_FRAME_IS_KEY);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ } else {
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ }
+ } else {
+ av_log(avctx, AV_LOG_ERROR,
+ "Error getting output packet of size %zu.\n", cx_frame->sz);
+ return ret;
+ }
+ 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) {
+ unsigned int 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 (%d 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 for "
+ "alternate reference frame selection",
OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX,
VE},
+ { "error-resilient", "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,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
+ .priv_class = &class_aom,
+ .defaults = defaults,
+ .wrapper_name = "libaom",
+};
--
2.12.2
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