vp9 is too broken so removed it to only leave av1 functionality

1 files changed, 576 insertions, 0 deletions

diff --git a/0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch b/0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch
new file mode 100644
index 000000000000..d88194f27aa6
--- /dev/null
+++ b/0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch
@@ -0,0 +1,576 @@
+From 6be97da6f57f7773fca432de4ddecb3f57e47c25 Mon Sep 17 00:00:00 2001
+From: Daryl Seah <daryl.seah@intel.com>
+Date: Fri, 18 Jan 2019 02:11:38 +0000
+Subject: [PATCH 1/1] Add ability for ffmpeg to run svt-av1
+
+Change-Id: I37ee5414fdd99e0b3f112a6e5ede166f3e48d819
+Signed-off-by: Daryl Seah <daryl.seah@intel.com>
+Signed-off-by: Jing SUN <jing.a.sun@intel.com>
+---
+ configure               |   4 +
+ libavcodec/Makefile     |   1 +
+ libavcodec/allcodecs.c  |   1 +
+ libavcodec/libsvt_av1.c | 491 ++++++++++++++++++++++++++++++++++++++++++++++++
+ 4 files changed, 497 insertions(+)
+ create mode 100644 libavcodec/libsvt_av1.c
+
+diff --git a/configure b/configure
+index a70c5f9..1850ef0 100755
+--- a/configure
++++ b/configure
+@@ -262,6 +262,7 @@ External library support:
+   --enable-libspeex        enable Speex de/encoding via libspeex [no]
+   --enable-libsrt          enable Haivision SRT protocol via libsrt [no]
+   --enable-libssh          enable SFTP protocol via libssh [no]
++  --enable-libsvtav1       enable AV1 encoding via svt [no]
+   --enable-libtensorflow   enable TensorFlow as a DNN module backend
+                            for DNN based filters like sr [no]
+   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
+@@ -1743,6 +1744,7 @@ EXTERNAL_LIBRARY_LIST="
+     libspeex
+     libsrt
+     libssh
++    libsvtav1
+     libtensorflow
+     libtesseract
+     libtheora
+@@ -3125,6 +3127,7 @@ libshine_encoder_select="audio_frame_queue"
+ libspeex_decoder_deps="libspeex"
+ libspeex_encoder_deps="libspeex"
+ libspeex_encoder_select="audio_frame_queue"
++libsvt_av1_encoder_deps="libsvtav1"
+ libtheora_encoder_deps="libtheora"
+ libtwolame_encoder_deps="libtwolame"
+ libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
+@@ -6135,6 +6138,7 @@ enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
+ enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init
+ enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
+ enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket
++enabled libsvtav1         && require_pkg_config libsvtav1 SvtAv1Enc EbSvtAv1Enc.h eb_init_handle
+ enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
+ enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
+ enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
+diff --git a/libavcodec/Makefile b/libavcodec/Makefile
+index 3e41497..9b2e663 100644
+--- a/libavcodec/Makefile
++++ b/libavcodec/Makefile
+@@ -981,6 +981,7 @@ OBJS-$(CONFIG_LIBOPUS_ENCODER)            += libopusenc.o libopus.o     \
+ OBJS-$(CONFIG_LIBSHINE_ENCODER)           += libshine.o
+ OBJS-$(CONFIG_LIBSPEEX_DECODER)           += libspeexdec.o
+ OBJS-$(CONFIG_LIBSPEEX_ENCODER)           += libspeexenc.o
++OBJS-$(CONFIG_LIBSVT_AV1_ENCODER)         += libsvt_av1.o
+ OBJS-$(CONFIG_LIBTHEORA_ENCODER)          += libtheoraenc.o
+ OBJS-$(CONFIG_LIBTWOLAME_ENCODER)         += libtwolame.o
+ OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER)     += libvo-amrwbenc.o
+diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
+index 1b8144a..f7df66c 100644
+--- a/libavcodec/allcodecs.c
++++ b/libavcodec/allcodecs.c
+@@ -697,6 +697,7 @@ extern AVCodec ff_librsvg_decoder;
+ extern AVCodec ff_libshine_encoder;
+ extern AVCodec ff_libspeex_encoder;
+ extern AVCodec ff_libspeex_decoder;
++extern AVCodec ff_libsvt_av1_encoder;
+ extern AVCodec ff_libtheora_encoder;
+ extern AVCodec ff_libtwolame_encoder;
+ extern AVCodec ff_libvo_amrwbenc_encoder;
+diff --git a/libavcodec/libsvt_av1.c b/libavcodec/libsvt_av1.c
+new file mode 100644
+index 0000000..7d0e307
+--- /dev/null
++++ b/libavcodec/libsvt_av1.c
+@@ -0,0 +1,491 @@
++/*
++* Scalable Video Technology for AV1 encoder library plugin
++*
++* Copyright (c) 2018 Intel Corporation
++*
++* This file is part of FFmpeg.
++*
++* FFmpeg 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.
++*
++* FFmpeg 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 this program; if not, write to the Free Software
++* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
++*/
++
++#include <stdint.h>
++#include "EbSvtAv1ErrorCodes.h"
++#include "EbSvtAv1Time.h"
++#include "EbSvtAv1Enc.h"
++
++#include "libavutil/common.h"
++#include "libavutil/frame.h"
++#include "libavutil/opt.h"
++
++#include "internal.h"
++#include "avcodec.h"
++
++typedef struct SvtContext {
++    AVClass     *class;
++
++    EbSvtAv1EncConfiguration    enc_params;
++    EbComponentType            *svt_handle;
++
++    EbBufferHeaderType         *in_buf;
++    int                         raw_size;
++
++    int         eos_flag;
++
++    // User options.
++    int hierarchical_level;
++    int la_depth;
++    int enc_mode;
++    int rc_mode;
++    int scd;
++    int qp;
++
++    int forced_idr;
++
++    int aud;
++
++    int tier;
++    int level;
++
++    int base_layer_switch_mode;
++} SvtContext;
++
++static int error_mapping(EbErrorType svt_ret)
++{
++    int err;
++
++    switch (svt_ret) {
++    case EB_ErrorInsufficientResources:
++        err = AVERROR(ENOMEM);
++        break;
++
++    case EB_ErrorUndefined:
++    case EB_ErrorInvalidComponent:
++    case EB_ErrorBadParameter:
++        err = AVERROR(EINVAL);
++        break;
++
++    case EB_ErrorDestroyThreadFailed:
++    case EB_ErrorSemaphoreUnresponsive:
++    case EB_ErrorDestroySemaphoreFailed:
++    case EB_ErrorCreateMutexFailed:
++    case EB_ErrorMutexUnresponsive:
++    case EB_ErrorDestroyMutexFailed:
++        err = AVERROR_EXTERNAL;
++            break;
++
++    case EB_NoErrorEmptyQueue:
++        err = AVERROR(EAGAIN);
++
++    case EB_ErrorNone:
++        err = 0;
++        break;
++
++    default:
++        err = AVERROR_UNKNOWN;
++    }
++
++    return err;
++}
++
++static void free_buffer(SvtContext *svt_enc)
++{
++    if (svt_enc->in_buf) {
++        EbSvtIOFormat *in_data = (EbSvtIOFormat *)svt_enc->in_buf->p_buffer;
++        av_freep(&in_data);
++        av_freep(&svt_enc->in_buf);
++    }
++}
++
++static int alloc_buffer(EbSvtAv1EncConfiguration *config, SvtContext *svt_enc)
++{
++    const int    pack_mode_10bit   =
++        (config->encoder_bit_depth > 8) && (config->compressed_ten_bit_format == 0) ? 1 : 0;
++    const size_t luma_size_8bit    =
++        config->source_width * config->source_height * (1 << pack_mode_10bit);
++    const size_t luma_size_10bit   =
++        (config->encoder_bit_depth > 8 && pack_mode_10bit == 0) ? luma_size_8bit : 0;
++
++    EbSvtIOFormat *in_data;
++
++    svt_enc->raw_size = (luma_size_8bit + luma_size_10bit) * 3 / 2;
++
++    // allocate buffer for in and out
++    svt_enc->in_buf           = av_mallocz(sizeof(*svt_enc->in_buf));
++    if (!svt_enc->in_buf)
++        goto failed;
++
++    in_data  = av_mallocz(sizeof(*in_data));
++    if (!in_data)
++        goto failed;
++    svt_enc->in_buf->p_buffer  = (unsigned char *)in_data;
++
++    svt_enc->in_buf->size        = sizeof(*svt_enc->in_buf);
++    svt_enc->in_buf->p_app_private  = NULL;
++
++    return 0;
++
++failed:
++    free_buffer(svt_enc);
++    return AVERROR(ENOMEM);
++}
++
++static int config_enc_params(EbSvtAv1EncConfiguration *param,
++                             AVCodecContext *avctx)
++{
++    SvtContext *svt_enc = avctx->priv_data;
++    int             ret;
++    int        ten_bits = 0;
++
++    param->source_width     = avctx->width;
++    param->source_height    = avctx->height;
++
++    if (avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE) {
++        av_log(avctx, AV_LOG_DEBUG , "Encoder 10 bits depth input\n");
++        // Disable Compressed 10-bit format default
++        //
++        // SVT-AV1 support a compressed 10-bit format allowing the
++        // software to achieve a higher speed and channel density levels.
++        // The conversion between the 10-bit yuv420p10le and the compressed
++        // 10-bit format is a lossless operation. But in FFmpeg, we usually
++        // didn't use this format
++        param->compressed_ten_bit_format = 0;
++        ten_bits = 1;
++    }
++
++    // Update param from options
++    param->hierarchical_levels     = svt_enc->hierarchical_level - 1;
++    param->enc_mode                = svt_enc->enc_mode;
++    param->tier                   = svt_enc->tier;
++    param->level                  = svt_enc->level;
++    param->rate_control_mode        = svt_enc->rc_mode;
++    param->scene_change_detection   = svt_enc->scd;
++    param->base_layer_switch_mode    = svt_enc->base_layer_switch_mode;
++    param->qp                     = svt_enc->qp;
++
++
++    param->target_bit_rate          = avctx->bit_rate;
++    if (avctx->gop_size > 0)
++        param->intra_period_length  = avctx->gop_size - 1;
++
++    if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
++        param->frame_rate_numerator     = avctx->framerate.num;
++        param->frame_rate_denominator   = avctx->framerate.den * avctx->ticks_per_frame;
++    } else {
++        param->frame_rate_numerator     = avctx->time_base.den;
++        param->frame_rate_denominator   = avctx->time_base.num * avctx->ticks_per_frame;
++    }
++
++    if (param->rate_control_mode) {
++        param->max_qp_allowed       = avctx->qmax;
++        param->min_qp_allowed       = avctx->qmin;
++    }
++
++    param->intra_refresh_type       =
++        !!(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP) + 1;
++
++    if (svt_enc->la_depth != -1)
++        param->look_ahead_distance  = svt_enc->la_depth;
++
++    if (ten_bits) {
++        param->encoder_bit_depth        = 10;
++    }
++
++    ret = alloc_buffer(param, svt_enc);
++
++    return ret;
++}
++
++static void read_in_data(EbSvtAv1EncConfiguration *config,
++                         const AVFrame *frame,
++                         EbBufferHeaderType *headerPtr)
++{
++    uint8_t is16bit = config->encoder_bit_depth > 8;
++    uint64_t luma_size =
++        (uint64_t)config->source_width * config->source_height<< is16bit;
++    EbSvtIOFormat *in_data = (EbSvtIOFormat *)headerPtr->p_buffer;
++
++    // support yuv420p and yuv420p010
++    in_data->luma = frame->data[0];
++    in_data->cb   = frame->data[1];
++    in_data->cr   = frame->data[2];
++
++    // stride info
++    in_data->yStride  = frame->linesize[0] >> is16bit;
++    in_data->cbStride = frame->linesize[1] >> is16bit;
++    in_data->crStride = frame->linesize[2] >> is16bit;
++
++    headerPtr->n_filled_len   += luma_size * 3/2u;
++}
++
++static av_cold int eb_enc_init(AVCodecContext *avctx)
++{
++    SvtContext   *svt_enc = avctx->priv_data;
++    EbErrorType svt_ret;
++
++    svt_enc->eos_flag = 0;
++
++    svt_ret = eb_init_handle(&svt_enc->svt_handle, svt_enc, &svt_enc->enc_params);
++    if (svt_ret != EB_ErrorNone) {
++        av_log(avctx, AV_LOG_ERROR, "Error init encoder handle\n");
++        goto failed;
++    }
++
++    svt_ret = config_enc_params(&svt_enc->enc_params, avctx);
++    if (svt_ret != EB_ErrorNone) {
++        av_log(avctx, AV_LOG_ERROR, "Error configure encoder parameters\n");
++        goto failed_init_handle;
++    }
++
++    svt_ret = eb_svt_enc_set_parameter(svt_enc->svt_handle, &svt_enc->enc_params);
++    if (svt_ret != EB_ErrorNone) {
++        av_log(avctx, AV_LOG_ERROR, "Error setting encoder parameters\n");
++        goto failed_init_handle;
++    }
++
++    svt_ret = eb_init_encoder(svt_enc->svt_handle);
++    if (svt_ret != EB_ErrorNone) {
++        av_log(avctx, AV_LOG_ERROR, "Error init encoder\n");
++        goto failed_init_handle;
++    }
++
++ //   if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
++ //       EbBufferHeaderType* headerPtr;
++ //       headerPtr->size       = sizeof(headerPtr);
++ //       headerPtr->n_filled_len  = 0; /* in/out */
++ //       headerPtr->p_buffer     = av_malloc(10 * 1024 * 1024);
++ //       headerPtr->n_alloc_len   = (10 * 1024 * 1024);
++ //
++ //       if (!headerPtr->p_buffer) {
++ //           av_log(avctx, AV_LOG_ERROR,
++ //                  "Cannot allocate buffer size %d.\n", headerPtr->n_alloc_len);
++ //           svt_ret = EB_ErrorInsufficientResources;
++ //           goto failed_init_enc;
++ //       }
++ //
++ //       svt_ret = eb_svt_enc_stream_header(svt_enc->svt_handle, &headerPtr);
++ //       if (svt_ret != EB_ErrorNone) {
++ //           av_log(avctx, AV_LOG_ERROR, "Error when build stream header.\n");
++ //           av_freep(&headerPtr->p_buffer);
++ //           goto failed_init_enc;
++ //       }
++ //
++ //       avctx->extradata_size = headerPtr->n_filled_len;
++ //       avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
++ //       if (!avctx->extradata) {
++ //           av_log(avctx, AV_LOG_ERROR,
++ //                  "Cannot allocate AV1 header of size %d.\n", avctx->extradata_size);
++ //           av_freep(&headerPtr->p_buffer);
++ //           svt_ret = EB_ErrorInsufficientResources;
++ //           goto failed_init_enc;
++ //       }
++ //       memcpy(avctx->extradata, headerPtr->p_buffer, avctx->extradata_size);
++ //
++ //       av_freep(&headerPtr->p_buffer);
++ //   }
++    return 0;
++
++failed_init_enc:
++    eb_deinit_encoder(svt_enc->svt_handle);
++failed_init_handle:
++    eb_deinit_handle(svt_enc->svt_handle);
++failed:
++    free_buffer(svt_enc);
++    return error_mapping(svt_ret);
++}
++
++static int eb_send_frame(AVCodecContext *avctx, const AVFrame *frame)
++{
++    SvtContext           *svt_enc = avctx->priv_data;
++    EbBufferHeaderType  *headerPtr = svt_enc->in_buf;
++
++    if (!frame) {
++        EbBufferHeaderType headerPtrLast;
++        headerPtrLast.n_alloc_len   = 0;
++        headerPtrLast.n_filled_len  = 0;
++        headerPtrLast.n_tick_count  = 0;
++        headerPtrLast.p_app_private = NULL;
++        headerPtrLast.p_buffer     = NULL;
++        headerPtrLast.flags      = EB_BUFFERFLAG_EOS;
++
++        eb_svt_enc_send_picture(svt_enc->svt_handle, &headerPtrLast);
++        svt_enc->eos_flag = 1;
++        av_log(avctx, AV_LOG_DEBUG, "Finish sending frames!!!\n");
++        return 0;
++    }
++
++    read_in_data(&svt_enc->enc_params, frame, headerPtr);
++
++    headerPtr->flags       = 0;
++    headerPtr->p_app_private  = NULL;
++    headerPtr->pts          = frame->pts;
++    switch (frame->pict_type) {
++    case AV_PICTURE_TYPE_I:
++        headerPtr->pic_type = svt_enc->forced_idr > 0 ? EB_AV1_KEY_PICTURE : EB_AV1_INTRA_ONLY_PICTURE;
++        break;
++    case AV_PICTURE_TYPE_P:
++        headerPtr->pic_type = EB_AV1_ALT_REF_PICTURE;
++        break;
++    case AV_PICTURE_TYPE_B:
++        headerPtr->pic_type = EB_AV1_INTER_PICTURE;
++        break;
++    default:
++        headerPtr->pic_type = EB_AV1_INVALID_PICTURE;
++        break;
++    }
++    eb_svt_enc_send_picture(svt_enc->svt_handle, headerPtr);
++
++    return 0;
++}
++
++static int eb_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
++{
++    SvtContext  *svt_enc = avctx->priv_data;
++    EbBufferHeaderType   *headerPtr;
++    EbErrorType          svt_ret;
++    int ret;
++
++    if ((ret = ff_alloc_packet2(avctx, pkt, svt_enc->raw_size, 0)) < 0) {
++        av_log(avctx, AV_LOG_ERROR, "Failed to allocate output packet.\n");
++        return ret;
++    }
++    svt_ret = eb_svt_get_packet(svt_enc->svt_handle, &headerPtr, svt_enc->eos_flag);
++    if (svt_ret == EB_NoErrorEmptyQueue)
++        return AVERROR(EAGAIN);
++
++    memcpy(pkt->data, headerPtr->p_buffer, headerPtr->n_filled_len);
++    pkt->size = headerPtr->n_filled_len;
++    pkt->pts  = headerPtr->pts;
++    pkt->dts  = headerPtr->dts;
++    if (headerPtr->pic_type == EB_AV1_KEY_PICTURE)
++        pkt->flags |= AV_PKT_FLAG_KEY;
++    if (headerPtr->pic_type == EB_AV1_NON_REF_PICTURE)
++        pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
++
++    ret = (headerPtr->flags & EB_BUFFERFLAG_EOS) ? AVERROR_EOF : 0;
++
++    eb_svt_release_out_buffer(&headerPtr);
++
++    return ret;
++}
++
++static av_cold int eb_enc_close(AVCodecContext *avctx)
++{
++    SvtContext *svt_enc = avctx->priv_data;
++
++    eb_deinit_encoder(svt_enc->svt_handle);
++    eb_deinit_handle(svt_enc->svt_handle);
++
++    free_buffer(svt_enc);
++
++    return 0;
++}
++
++#define OFFSET(x) offsetof(SvtContext, x)
++#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
++static const AVOption options[] = {
++    { "aud", "Include AUD", OFFSET(aud),
++      AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
++
++    { "hielevel", "Hierarchical prediction levels setting", OFFSET(hierarchical_level),
++      AV_OPT_TYPE_INT, { .i64 = 4 }, 1, 4, VE , "hielevel"},
++        { "flat",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "hielevel" },
++        { "2level", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 },  INT_MIN, INT_MAX, VE, "hielevel" },
++        { "3level", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 },  INT_MIN, INT_MAX, VE, "hielevel" },
++        { "4level", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4 },  INT_MIN, INT_MAX, VE, "hielevel" },
++
++    { "la_depth", "Look ahead distance [0, 256]", OFFSET(la_depth),
++      AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 256, VE },
++
++    { "preset", "Encoding preset [0, 7]",
++      OFFSET(enc_mode), AV_OPT_TYPE_INT, { .i64 = MAX_ENC_PRESET }, 0, MAX_ENC_PRESET, VE },
++
++    { "tier", "Set tier (general_tier_flag)", OFFSET(tier),
++      AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, "tier" },
++        { "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, VE, "tier" },
++        { "high", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, VE, "tier" },
++
++    { "level", "Set level (level_idc)", OFFSET(level),
++      AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 0xff, VE, "level" },
++
++#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
++      { .i64 = value }, 0, 0, VE, "level"
++        { LEVEL("1",   10) },
++        { LEVEL("2",   20) },
++        { LEVEL("2.1", 21) },
++        { LEVEL("3",   30) },
++        { LEVEL("3.1", 31) },
++        { LEVEL("4",   40) },
++        { LEVEL("4.1", 41) },
++        { LEVEL("5",   50) },
++        { LEVEL("5.1", 51) },
++        { LEVEL("5.2", 52) },
++        { LEVEL("6",   60) },
++        { LEVEL("6.1", 61) },
++        { LEVEL("6.2", 62) },
++#undef LEVEL
++
++    { "rc", "Bit rate control mode", OFFSET(rc_mode),
++      AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE , "rc"},
++        { "cqp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 },  INT_MIN, INT_MAX, VE, "rc" },
++        { "vbr", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "rc" },
++
++    { "qp", "QP value for intra frames", OFFSET(qp),
++      AV_OPT_TYPE_INT, { .i64 = 32 }, 0, 51, VE },
++
++    { "sc_detection", "Scene change detection", OFFSET(scd),
++      AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
++
++    { "bl_mode", "Random Access Prediction Structure type setting", OFFSET(base_layer_switch_mode),
++      AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
++
++    { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr),
++      AV_OPT_TYPE_BOOL,   { .i64 = 0 }, -1, 1, VE },
++
++    {NULL},
++};
++
++static const AVClass class = {
++    .class_name = "libsvt_av1",
++    .item_name  = av_default_item_name,
++    .option     = options,
++    .version    = LIBAVUTIL_VERSION_INT,
++};
++
++static const AVCodecDefault eb_enc_defaults[] = {
++    { "b",         "7M"    },
++    { "flags",     "-cgop" },
++    { "qmin",      "10"    },
++    { "qmax",      "48"    },
++    { NULL },
++};
++
++AVCodec ff_libsvt_av1_encoder = {
++    .name           = "libsvt_av1",
++    .long_name      = NULL_IF_CONFIG_SMALL("SVT-AV1(Scalable Video Technology for AV1) encoder"),
++    .priv_data_size = sizeof(SvtContext),
++    .type           = AVMEDIA_TYPE_VIDEO,
++    .id             = AV_CODEC_ID_AV1,
++    .init           = eb_enc_init,
++    .send_frame     = eb_send_frame,
++    .receive_packet = eb_receive_packet,
++    .close          = eb_enc_close,
++    .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,
++    .defaults       = eb_enc_defaults,
++    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
++    .wrapper_name   = "libsvt_av1",
++};
+-- 
+1.8.3.1
+