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/*
* 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
*/
# include "libavutil/internal.h"
# include "libavutil/opt.h"
# include "avcodec.h"
# include "internal.h"
# include "nvenc.h"
# define OFFSET(x) offsetof(NVENCContext, x)
# define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options [ ] = {
{ " preset " , " Set the encoding preset " , OFFSET ( preset ) , AV_OPT_TYPE_INT , { . i64 = PRESET_HQ } , PRESET_DEFAULT , PRESET_LOSSLESS_HP , VE , " preset " } ,
{ " default " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_DEFAULT } , 0 , 0 , VE , " preset " } ,
{ " hp " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_HP } , 0 , 0 , VE , " preset " } ,
{ " hq " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_HQ } , 0 , 0 , VE , " preset " } ,
{ " bd " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_BD } , 0 , 0 , VE , " preset " } ,
{ " ll " , " low latency " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_LOW_LATENCY_DEFAULT } , 0 , 0 , VE , " preset " } ,
{ " llhq " , " low latency hq " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_LOW_LATENCY_HQ } , 0 , 0 , VE , " preset " } ,
{ " llhp " , " low latency hp " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_LOW_LATENCY_HP } , 0 , 0 , VE , " preset " } ,
{ " lossless " , " lossless " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_LOSSLESS_DEFAULT } , 0 , 0 , VE , " preset " } ,
{ " losslesshp " , " lossless hp " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_LOSSLESS_HP } , 0 , 0 , VE , " preset " } ,
{ " profile " , " Set the encoding profile " , OFFSET ( profile ) , AV_OPT_TYPE_INT , { . i64 = FF_PROFILE_HEVC_MAIN } , FF_PROFILE_HEVC_MAIN , FF_PROFILE_HEVC_MAIN , VE , " profile " } ,
{ " high " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = FF_PROFILE_HEVC_MAIN } , 0 , 0 , VE , " profile " } ,
{ " level " , " Set the encoding level restriction " , OFFSET ( level ) , AV_OPT_TYPE_INT , { . i64 = NV_ENC_LEVEL_AUTOSELECT } , NV_ENC_LEVEL_AUTOSELECT , NV_ENC_LEVEL_HEVC_62 , VE , " level " } ,
{ " 1.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_1 } , 0 , 0 , VE , " level " } ,
{ " 2.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_2 } , 0 , 0 , VE , " level " } ,
{ " 2.1 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_21 } , 0 , 0 , VE , " level " } ,
{ " 3.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_3 } , 0 , 0 , VE , " level " } ,
{ " 3.1 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_31 } , 0 , 0 , VE , " level " } ,
{ " 4.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_4 } , 0 , 0 , VE , " level " } ,
{ " 4.1 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_41 } , 0 , 0 , VE , " level " } ,
{ " 5.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_5 } , 0 , 0 , VE , " level " } ,
{ " 5.1 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_51 } , 0 , 0 , VE , " level " } ,
{ " 5.2 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_52 } , 0 , 0 , VE , " level " } ,
{ " 6.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_6 } , 0 , 0 , VE , " level " } ,
{ " 6.1 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_61 } , 0 , 0 , VE , " level " } ,
{ " 6.2 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_62 } , 0 , 0 , VE , " level " } ,
{ " tier " , " Set the encoding tier " , OFFSET ( tier ) , AV_OPT_TYPE_INT , { . i64 = NV_ENC_TIER_HEVC_MAIN } , NV_ENC_TIER_HEVC_MAIN , NV_ENC_TIER_HEVC_HIGH , VE , " tier " } ,
{ " main " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TIER_HEVC_MAIN } , 0 , 0 , VE , " tier " } ,
{ " high " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TIER_HEVC_HIGH } , 0 , 0 , VE , " tier " } ,
{ " rc " , " Override the preset rate-control " , OFFSET ( rc ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 1 , 0 , VE , " rc " } ,
{ " constqp " , " Constant QP mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_CONSTQP } , 0 , 0 , VE , " rc " } ,
{ " vbr " , " Variable bitrate mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_VBR } , 0 , 0 , VE , " rc " } ,
{ " cbr " , " Constant bitrate mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_CBR } , 0 , 0 , VE , " rc " } ,
{ " vbr_minqp " , " Variable bitrate mode with MinQP " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_VBR_MINQP } , 0 , 0 , VE , " rc " } ,
{ " ll_2pass_quality " , " Multi-pass optimized for image quality (only for low-latency presets) " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_2_PASS_QUALITY } , 0 , 0 , VE , " rc " } ,
{ " ll_2pass_size " , " Multi-pass optimized for constant frame size (only for low-latency presets) " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP } , 0 , 0 , VE , " rc " } ,
{ " vbr_2pass " , " Multi-pass variable bitrate mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_PARAMS_RC_2_PASS_VBR } , 0 , 0 , VE , " rc " } ,
{ " surfaces " , " Number of concurrent surfaces " , OFFSET ( nb_surfaces ) , AV_OPT_TYPE_INT , { . i64 = 32 } , 0 , INT_MAX , VE } ,
{ " device " , " Select a specific NVENC device " , OFFSET ( device ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 2 , INT_MAX , VE , " device " } ,
{ " any " , " Pick the first device available " , 0 , AV_OPT_TYPE_CONST , { . i64 = ANY_DEVICE } , 0 , 0 , VE , " device " } ,
{ " list " , " List the available devices " , 0 , AV_OPT_TYPE_CONST , { . i64 = LIST_DEVICES } , 0 , 0 , VE , " device " } ,
{ NULL }
} ;
static const AVClass nvenc_hevc_class = {
. class_name = " nvenc_hevc " ,
. item_name = av_default_item_name ,
. option = options ,
. version = LIBAVUTIL_VERSION_INT ,
} ;
static const AVCodecDefault defaults [ ] = {
{ " b " , " 0 " } ,
{ " qmin " , " -1 " } ,
{ " qmax " , " -1 " } ,
{ " qdiff " , " -1 " } ,
{ " qblur " , " -1 " } ,
{ " qcomp " , " -1 " } ,
{ NULL } ,
} ;
AVCodec ff_hevc_nvenc_encoder = {
. name = " nvenc_hevc " ,
. long_name = NULL_IF_CONFIG_SMALL ( " NVIDIA NVENC HEVC encoder " ) ,
. type = AVMEDIA_TYPE_VIDEO ,
. id = AV_CODEC_ID_HEVC ,
. init = ff_nvenc_encode_init ,
. encode2 = ff_nvenc_encode_frame ,
. close = ff_nvenc_encode_close ,
. priv_data_size = sizeof ( NVENCContext ) ,
. priv_class = & nvenc_hevc_class ,
. defaults = defaults ,
. pix_fmts = ( const enum AVPixelFormat [ ] ) { AV_PIX_FMT_NV12 ,
AV_PIX_FMT_YUV420P ,
AV_PIX_FMT_YUV444P ,
AV_PIX_FMT_NONE } ,
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. capabilities = AV_CODEC_CAP_DELAY ,
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. caps_internal = FF_CODEC_CAP_INIT_CLEANUP ,
} ;
