[FFmpeg-devel,v3,08/10] avcodec: add external encoder libvvenc for H266/VVC

diff --git a/configure b/configure
index 5893c81cf4..8e3d11bca5 100755
--- a/configure
+++ b/configure
@@ -289,6 +289,7 @@  External library support:
                            native implementation exists [no]
   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
   --enable-libvvdec        enable VVC decoding via vvdec [no]
+  --enable-libvvenc        enable VVC encoding via vvenc [no]
   --enable-libwebp         enable WebP encoding via libwebp [no]
   --enable-libx264         enable H.264 encoding via x264 [no]
   --enable-libx265         enable HEVC encoding via x265 [no]
@@ -1877,6 +1878,7 @@  EXTERNAL_LIBRARY_LIST="
     libvorbis
     libvpx
     libvvdec
+    libvvenc
     libwebp
     libxml2
     libzimg
@@ -3409,6 +3411,8 @@  libvpx_vp9_decoder_deps="libvpx"
 libvpx_vp9_encoder_deps="libvpx"
 libvvdec_decoder_deps="libvvdec"
 libvvdec_decoder_select="vvc_mp4toannexb_bsf"
+libvvenc_encoder_deps="libvvenc"
+libvvenc_encoder_select="atsc_a53"
 libwebp_encoder_deps="libwebp"
 libwebp_anim_encoder_deps="libwebp"
 libx262_encoder_deps="libx262"
@@ -6734,6 +6738,7 @@  enabled libvpx            && {
     fi
 }
 enabled libvvdec          && require_pkg_config libvvdec "libvvdec >= 1.6.0" "vvdec/vvdec.h" vvdec_get_version
+enabled libvvenc          && require_pkg_config libvvenc "libvvenc >= 1.6.1" "vvenc/vvenc.h" vvenc_get_version
 
 enabled libwebp           && {
     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 9d2107050f..c4efdfb76c 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1104,6 +1104,7 @@  OBJS-$(CONFIG_LIBVPX_VP8_ENCODER)         += libvpxenc.o
 OBJS-$(CONFIG_LIBVPX_VP9_DECODER)         += libvpxdec.o libvpx.o
 OBJS-$(CONFIG_LIBVPX_VP9_ENCODER)         += libvpxenc.o libvpx.o
 OBJS-$(CONFIG_LIBVVDEC_DECODER)           += libvvdec.o vvc_parse_extradata.o vvc_paramset.o
+OBJS-$(CONFIG_LIBVVENC_ENCODER)           += libvvenc.o
 OBJS-$(CONFIG_LIBWEBP_ENCODER)            += libwebpenc_common.o libwebpenc.o
 OBJS-$(CONFIG_LIBWEBP_ANIM_ENCODER)       += libwebpenc_common.o libwebpenc_animencoder.o
 OBJS-$(CONFIG_LIBX262_ENCODER)            += libx264.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 9813b291f4..73c36f3134 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -794,6 +794,7 @@  extern const FFCodec ff_libvpx_vp8_decoder;
 extern FFCodec ff_libvpx_vp9_encoder;
 extern FFCodec ff_libvpx_vp9_decoder;
 extern const FFCodec ff_libvvdec_decoder;
+extern const FFCodec ff_libvvenc_encoder;
 /* preferred over libwebp */
 extern const FFCodec ff_libwebp_anim_encoder;
 extern const FFCodec ff_libwebp_encoder;
diff --git a/libavcodec/libvvenc.c b/libavcodec/libvvenc.c
new file mode 100644
index 0000000000..b5de063110
--- /dev/null
+++ b/libavcodec/libvvenc.c
@@ -0,0 +1,449 @@ 
+/*
+ * H.266 encoding using the VVenC library
+ *
+ * Copyright (C) 2022, Thomas Siedel
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config_components.h"
+
+#include <vvenc/vvenc.h>
+#include <vvenc/vvencCfg.h>
+
+#include "avcodec.h"
+#include "codec_internal.h"
+#include "encode.h"
+#include "internal.h"
+#include "packet_internal.h"
+#include "profiles.h"
+
+#include "libavutil/avutil.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/opt.h"
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/frame.h"
+#include "libavutil/log.h"
+
+typedef struct VVenCOptions {
+    int preset;                 // preset 0: faster  4: slower
+    int qp;                     // quantization parameter 0-63
+    int subjectiveOptimization; // perceptually motivated QP adaptation, XPSNR based
+    int intraRefreshSec;        // intra period/refresh in seconds
+    int levelIdc;               // vvc level_idc
+    int tier;                   // vvc tier
+    AVDictionary *vvenc_opts;
+} VVenCOptions;
+
+typedef struct VVenCContext {
+    AVClass          *av_class;
+    VVenCOptions      options;      // encoder options
+    vvencEncoder     *vvencEnc;
+    vvencAccessUnit  *pAU;
+    bool              encodeDone;
+}VVenCContext;
+
+
+static av_cold void ff_vvenc_log_callback(void *avctx, int level, const char *fmt, va_list args )
+{
+    vfprintf( level == 1 ? stderr : stdout, fmt, args );
+}
+
+static void ff_vvenc_internalLog( void* ctx, int level, const char* fmt, ... )
+{
+    va_list args;
+    va_start( args, fmt );
+    ff_vvenc_log_callback( ctx, level, fmt, args );
+    va_end( args );
+}
+
+static av_cold int ff_vvenc_encode_init(AVCodecContext *avctx)
+{
+    int ret;
+    int framerate, qp, parse_ret;
+    VVenCContext *s;
+    vvenc_config params;
+    vvencPresetMode preset;
+    AVDictionaryEntry *en;
+    char statsfile[1024]="vvenc-rcstats.json";
+
+    s = (VVenCContext*)avctx->priv_data;
+    qp = (vvencPresetMode)s->options.qp;
+    preset = (vvencPresetMode)s->options.preset;
+
+    if( avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT ) {
+        av_log(avctx, AV_LOG_ERROR, "ff_vvenc_encode_init::init() interlaced encoding not supported yet\n");
+        return AVERROR_INVALIDDATA;
+    }
+
+    vvenc_config_default( &params );
+
+    // set desired encoding options
+    framerate = avctx->time_base.den / avctx->time_base.num;
+    vvenc_init_default ( &params, avctx->width, avctx->height, framerate, avctx->bit_rate, qp, preset );
+    params.m_FrameRate  = avctx->time_base.den;
+    params.m_FrameScale = avctx->time_base.num;
+
+    params.m_verbosity = VVENC_VERBOSE;
+    if     ( av_log_get_level() >= AV_LOG_DEBUG )
+        params.m_verbosity = VVENC_DETAILS;
+    else if( av_log_get_level() >= AV_LOG_VERBOSE )
+        params.m_verbosity = VVENC_NOTICE;   // output per picture info
+    else if( av_log_get_level() >= AV_LOG_INFO )
+        params.m_verbosity = VVENC_WARNING;  // ffmpeg default ffmpeg loglevel
+    else
+        params.m_verbosity = VVENC_SILENT;
+
+    if( avctx->ticks_per_frame == 1 ) {
+        params.m_TicksPerSecond = -1; // auto mode for ticks per frame = 1
+    }
+    else{
+        params.m_TicksPerSecond  = ceil((avctx->time_base.den/(double)avctx->time_base.num)*(double)avctx->ticks_per_frame);
+    }
+
+    if( avctx->thread_count > 0 )
+        params.m_numThreads = avctx->thread_count;
+
+    // GOP settings (IDR/CRA)
+    if( avctx->flags & AV_CODEC_FLAG_CLOSED_GOP )
+        params.m_DecodingRefreshType = VVENC_DRT_IDR;
+
+    if( avctx->gop_size == 1 ) {
+        params.m_GOPSize     = 1;
+        params.m_IntraPeriod = 1;
+    }
+    else {
+        params.m_IntraPeriodSec = s->options.intraRefreshSec;
+    }
+
+    params.m_usePerceptQPA = s->options.subjectiveOptimization;
+    params.m_level         = (vvencLevel)s->options.levelIdc;
+    params.m_levelTier     = (vvencTier)s->options.tier;
+
+    params.m_AccessUnitDelimiter = true;
+
+    params.m_internChromaFormat = VVENC_CHROMA_420;
+    switch( avctx->pix_fmt ) {
+        case AV_PIX_FMT_YUV420P    :
+            params.m_inputBitDepth[0] = 8;
+            break;
+        case AV_PIX_FMT_YUV420P10LE:
+            params.m_inputBitDepth[0] = 10;
+            break;
+        default: {
+            av_log(avctx, AV_LOG_ERROR, "unsupported pixel format %s, choose yuv420p or yuv420p10le\n", av_get_pix_fmt_name(avctx->pix_fmt));
+            return AVERROR(EINVAL);
+            break;
+        }
+    }
+
+    if( avctx->color_primaries != AVCOL_PRI_UNSPECIFIED )
+        params.m_colourPrimaries = (int)avctx->color_primaries;
+    if( avctx->colorspace != AVCOL_SPC_UNSPECIFIED )
+        params.m_matrixCoefficients = (int)avctx->colorspace;
+    if( avctx->color_trc != AVCOL_TRC_UNSPECIFIED ) {
+        params.m_transferCharacteristics = (int)avctx->color_trc;
+
+        if( avctx->color_trc == AVCOL_TRC_SMPTE2084 )
+            params.m_HdrMode = (avctx->color_primaries == AVCOL_PRI_BT2020) ?
+                               VVENC_HDR_PQ_BT2020 : VVENC_HDR_PQ;
+        else if( avctx->color_trc == AVCOL_TRC_BT2020_10 || avctx->color_trc == AVCOL_TRC_ARIB_STD_B67 )
+            params.m_HdrMode = (avctx->color_trc == AVCOL_TRC_BT2020_10 ||
+                                avctx->color_primaries == AVCOL_PRI_BT2020 ||
+                                avctx->colorspace == AVCOL_SPC_BT2020_NCL ||
+                                avctx->colorspace == AVCOL_SPC_BT2020_CL ) ?
+                               VVENC_HDR_HLG_BT2020 : VVENC_HDR_HLG;
+    }
+
+    if ( params.m_HdrMode == VVENC_HDR_OFF && (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || avctx->colorspace != AVCOL_SPC_UNSPECIFIED) )
+    {
+        params.m_vuiParametersPresent = 1;
+        params.m_colourDescriptionPresent = true;
+    }
+
+    params.m_RCNumPasses = 1;
+    en = NULL;
+    while ((en = av_dict_get(s->options.vvenc_opts, "", en, AV_DICT_IGNORE_SUFFIX))) {
+        av_log(avctx, AV_LOG_DEBUG, "vvenc_set_param: '%s:%s'\n", en->key, en->value);
+        parse_ret = vvenc_set_param(&params, en->key, en->value);
+        switch (parse_ret)
+        {
+        case VVENC_PARAM_BAD_NAME:
+            av_log(avctx, AV_LOG_WARNING,"Unknown vvenc option: %s.\n", en->key);
+            break;
+        case VVENC_PARAM_BAD_VALUE:
+            av_log(avctx, AV_LOG_WARNING,
+                  "Invalid vvenc value for %s: %s.\n", en->key, en->value);
+            break;
+        default:
+            break;
+        }
+
+        if (memcmp( en->key, "rcstatsfile", 11 ) == 0 ||
+            memcmp( en->key, "RCStatsFile", 11 ) == 0) {
+            strncpy(statsfile, en->value, sizeof(statsfile)-1);
+            statsfile[sizeof(statsfile)-1] = '\0';
+        }
+    }
+
+    if( params.m_RCPass != -1 && params.m_RCNumPasses == 1 )
+        params.m_RCNumPasses = 2; // enable 2pass mode
+
+    s->vvencEnc = vvenc_encoder_create();
+    if( NULL == s->vvencEnc ) {
+        av_log(avctx, AV_LOG_ERROR, "cannot create vvc encoder (vvenc)\n");
+        return AVERROR(ENOMEM);
+    }
+
+    vvenc_set_msg_callback( &params, s->vvencEnc, ff_vvenc_log_callback );
+    ret = vvenc_encoder_open( s->vvencEnc, &params );
+    if( 0 != ret ) {
+        av_log(avctx, AV_LOG_ERROR, "cannot open vvc encoder (vvenc): %s\n", vvenc_get_last_error(s->vvencEnc));
+        vvenc_encoder_close( s->vvencEnc );
+        return AVERROR(EINVAL);
+    }
+
+    vvenc_get_config( s->vvencEnc, &params ); // get the adapted config
+
+    if( params.m_verbosity >= VVENC_DETAILS && av_log_get_level() < AV_LOG_DEBUG ) {
+        ff_vvenc_internalLog( avctx, params.m_verbosity, "vvenc version: %s\n", vvenc_get_version() );
+        ff_vvenc_internalLog( avctx, params.m_verbosity, "vvenc info:\n%s\n", vvenc_get_config_as_string( &params, VVENC_DETAILS) );
+    }
+    else {
+        av_log(avctx, AV_LOG_DEBUG, "vvenc version: %s\n", vvenc_get_version());
+        av_log(avctx, AV_LOG_DEBUG, "vvenc info:\n%s\n", vvenc_get_config_as_string( &params, VVENC_DETAILS));
+    }
+
+    if( params.m_RCNumPasses == 2 ) {
+        ret = vvenc_init_pass( s->vvencEnc, params.m_RCPass-1, &statsfile[0] );
+        if( 0 != ret ) {
+            av_log(avctx, AV_LOG_ERROR, "cannot init pass %d for vvc encoder (vvenc): %s\n", params.m_RCPass, vvenc_get_last_error(s->vvencEnc));
+            vvenc_encoder_close( s->vvencEnc );
+            return AVERROR(EINVAL);
+        }
+    }
+
+    s->pAU = vvenc_accessUnit_alloc();
+    vvenc_accessUnit_alloc_payload( s->pAU, avctx->width * avctx->height );
+
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
+      ret = vvenc_get_headers( s->vvencEnc, s->pAU );
+      if( 0 != ret ) {
+          av_log(avctx, AV_LOG_ERROR, "cannot get headers (SPS,PPS) from vvc encoder(vvenc): %s\n", vvenc_get_last_error(s->vvencEnc));
+          vvenc_encoder_close( s->vvencEnc );
+          return AVERROR(EINVAL);
+      }
+
+      if (s->pAU->payloadUsedSize <= 0) {
+          vvenc_encoder_close( s->vvencEnc );
+          return AVERROR_INVALIDDATA;
+      }
+
+      avctx->extradata_size = s->pAU->payloadUsedSize;
+      avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+      if (!avctx->extradata) {
+          av_log(avctx, AV_LOG_ERROR,
+                 "Cannot allocate VVC header of size %d.\n", avctx->extradata_size);
+          vvenc_encoder_close( s->vvencEnc );
+          return AVERROR(ENOMEM);
+      }
+
+      memcpy(avctx->extradata, s->pAU->payload, avctx->extradata_size);
+      memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+    }
+    s->encodeDone = false;
+    return 0;
+}
+
+static av_cold int ff_vvenc_encode_close(AVCodecContext *avctx)
+{
+    VVenCContext *s = (VVenCContext*)avctx->priv_data;
+    if( s->vvencEnc ) {
+        if( av_log_get_level() >= AV_LOG_VERBOSE )
+            vvenc_print_summary(s->vvencEnc);
+
+        if( 0 != vvenc_encoder_close(s->vvencEnc) ) {
+            av_log(avctx, AV_LOG_ERROR, "cannot close vvenc\n" );
+            return -1;
+        }
+    }
+
+    vvenc_accessUnit_free ( s->pAU, true );
+
+    return 0;
+}
+
+static av_cold int ff_vvenc_encode_frame( AVCodecContext *avctx, AVPacket *pkt,const AVFrame *frame, int *got_packet )
+{
+    VVenCContext *s = (VVenCContext*)avctx->priv_data;
+    vvencYUVBuffer* pyuvbuf;
+    vvencYUVBuffer yuvbuf;
+    int pict_type;
+    int ret;
+
+    pyuvbuf = NULL;
+    if (frame) {
+        if( avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE ) {
+            vvenc_YUVBuffer_default( &yuvbuf );
+            yuvbuf.planes[0].ptr = (int16_t*)frame->data[0];
+            yuvbuf.planes[1].ptr = (int16_t*)frame->data[1];
+            yuvbuf.planes[2].ptr = (int16_t*)frame->data[2];
+
+            yuvbuf.planes[0].width  = frame->width;
+            yuvbuf.planes[0].height = frame->height;
+            yuvbuf.planes[0].stride = frame->linesize[0] >> 1; // stride is used in samples (16bit) in vvenc, ffmpeg uses stride in bytes
+
+            yuvbuf.planes[1].width  = frame->width >>1;
+            yuvbuf.planes[1].height = frame->height >>1;
+            yuvbuf.planes[1].stride = frame->linesize[1] >> 1;
+
+            yuvbuf.planes[2].width  = frame->width >>1;
+            yuvbuf.planes[2].height = frame->height >>1;
+            yuvbuf.planes[2].stride = frame->linesize[2] >> 1;
+
+            yuvbuf.cts     = frame->pts;
+            yuvbuf.ctsValid = true;
+            pyuvbuf = &yuvbuf;
+        }
+        else {
+            av_log(avctx, AV_LOG_ERROR, "unsupported input colorspace! input must be yuv420p10le");
+            return AVERROR(EINVAL);
+        }
+    }
+
+    if( ! s->encodeDone ) {
+        ret = vvenc_encode( s->vvencEnc, pyuvbuf, s->pAU, &s->encodeDone );
+        if( ret != 0 ) {
+            av_log(avctx, AV_LOG_ERROR, "error in vvenc::encode - ret:%d\n", ret);
+            return AVERROR(EINVAL);
+        }
+    }
+    else {
+        *got_packet = 0;
+        return 0;
+    }
+
+    if( s->pAU->payloadUsedSize > 0 ) {
+        ret = ff_get_encode_buffer(avctx, pkt, s->pAU->payloadUsedSize, 0);
+        if (ret < 0) {
+            av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+            return ret;
+        }
+
+        memcpy( pkt->data, s->pAU->payload, s->pAU->payloadUsedSize );
+
+        if( s->pAU->ctsValid )
+            pkt->pts = s->pAU->cts;
+        if( s->pAU->dtsValid )
+            pkt->dts = s->pAU->dts;
+        pkt->flags |= AV_PKT_FLAG_KEY*s->pAU->rap;
+
+        switch (s->pAU->sliceType) {
+        case VVENC_I_SLICE:
+            pict_type = AV_PICTURE_TYPE_I;
+            break;
+        case VVENC_P_SLICE:
+            pict_type = AV_PICTURE_TYPE_P;
+            break;
+        case VVENC_B_SLICE:
+            pict_type = AV_PICTURE_TYPE_B;
+            break;
+        default:
+            av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered.\n");
+            return AVERROR_EXTERNAL;
+        }
+
+        ff_side_data_set_encoder_stats(pkt, 0, NULL, 0, pict_type);
+
+        *got_packet = 1;
+
+        return 0;
+    }
+    else
+    {
+        *got_packet = 0;
+        return 0;
+    }
+
+    return 0;
+}
+
+static const enum AVPixelFormat pix_fmts_vvc[] = {
+    //AV_PIX_FMT_YUV420P,  // TODO
+    AV_PIX_FMT_YUV420P10LE,
+    AV_PIX_FMT_NONE
+};
+
+#define OFFSET(x) offsetof(VVenCContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption libvvenc_options[] = {
+    {"preset", "set encoding preset(0: faster - 4: slower", OFFSET( options.preset), AV_OPT_TYPE_INT, {.i64 = 2} , 0 , 4 , VE, "preset"},
+        { "faster",      "0", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_FASTER},INT_MIN, INT_MAX, VE, "preset" },
+        { "fast",        "1", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_FAST},  INT_MIN, INT_MAX, VE, "preset" },
+        { "medium",      "2", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_MEDIUM},INT_MIN, INT_MAX, VE, "preset" },
+        { "slow",        "3", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_SLOW},  INT_MIN, INT_MAX, VE, "preset" },
+        { "slower",      "4", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_SLOWER},INT_MIN, INT_MAX, VE, "preset" },
+    {"qp"     , "set quantization"                       , OFFSET(options.qp)                     , AV_OPT_TYPE_INT,  {.i64 = 32}, 0 , 63 ,VE, "qp_mode" },
+    {"period" , "set (intra) refresh period in seconds"  , OFFSET(options.intraRefreshSec)        , AV_OPT_TYPE_INT,  {.i64 = 1},  1 , INT_MAX ,VE,"irefreshsec" },
+    {"subjopt", "set subjective (perceptually motivated) optimization"            , OFFSET(options.subjectiveOptimization) , AV_OPT_TYPE_BOOL, {.i64 = 1},  0 , 1, VE},
+    {"vvenc-params", "set the vvenc configuration using a :-separated list of key=value parameters", OFFSET(options.vvenc_opts), AV_OPT_TYPE_DICT,   { 0 }, 0, 0, VE },
+    {"levelidc", "vvc level_idc", OFFSET( options.levelIdc), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 105, VE, "levelidc"},
+        {"0"   , "auto"  , 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, INT_MAX, VE, "levelidc"},
+        {"1"   , "1"     , 0, AV_OPT_TYPE_CONST, {.i64 = 16},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"2"   , "2"     , 0, AV_OPT_TYPE_CONST, {.i64 = 32},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"2.1" , "2.1"   , 0, AV_OPT_TYPE_CONST, {.i64 = 35},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"3"   , "3"     , 0, AV_OPT_TYPE_CONST, {.i64 = 48},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"3.1" , "3.1"   , 0, AV_OPT_TYPE_CONST, {.i64 = 51},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"4"   , "4"     , 0, AV_OPT_TYPE_CONST, {.i64 = 64},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"4.1" , "4.1"   , 0, AV_OPT_TYPE_CONST, {.i64 = 67},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"5"   , "5"     , 0, AV_OPT_TYPE_CONST, {.i64 = 80},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"5.1" , "5.1"   , 0, AV_OPT_TYPE_CONST, {.i64 = 83},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"5.2" , "5.2"   , 0, AV_OPT_TYPE_CONST, {.i64 = 86},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"6"   , "6"     , 0, AV_OPT_TYPE_CONST, {.i64 = 96},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"6.1" , "6.1"   , 0, AV_OPT_TYPE_CONST, {.i64 = 99},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"6.2" , "6.2"   , 0, AV_OPT_TYPE_CONST, {.i64 = 102},INT_MIN, INT_MAX, VE, "levelidc"},
+        {"6.3" , "6.3"   , 0, AV_OPT_TYPE_CONST, {.i64 = 105},INT_MIN, INT_MAX, VE, "levelidc"},
+    {"tier", "set vvc tier", OFFSET( options.tier), AV_OPT_TYPE_INT, {.i64 = 0},  0 , 1 , VE, "tier"},
+        {"main", "main"  , 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, INT_MAX, VE, "tier"},
+        {"high", "high"  , 0, AV_OPT_TYPE_CONST, {.i64 = 1}, INT_MIN, INT_MAX, VE, "tier"},
+    {NULL}
+};
+
+static const AVClass class_libvvenc = {
+    .class_name = "libvvenc-vvc encoder",
+    .item_name  = av_default_item_name,
+    .option     = libvvenc_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+FFCodec ff_libvvenc_encoder = {
+    .p.name            = "libvvenc",
+    .p.long_name       = "H.266 / VVC Encoder VVenC",
+    .p.type            = AVMEDIA_TYPE_VIDEO,
+    .p.id              = AV_CODEC_ID_VVC,
+    .p.capabilities    = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS,
+    .p.profiles        = NULL_IF_CONFIG_SMALL(ff_vvc_profiles),
+    .p.priv_class      = &class_libvvenc,
+    .p.wrapper_name    = "libvvenc",
+    .priv_data_size    = sizeof(VVenCContext),
+    .p.pix_fmts        = pix_fmts_vvc,
+    .init              = ff_vvenc_encode_init,
+    FF_CODEC_ENCODE_CB(ff_vvenc_encode_frame),
+    .close             = ff_vvenc_encode_close,
+    .caps_internal     = FF_CODEC_CAP_AUTO_THREADS,
+};