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/*
* 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 "libavutil/internal.h"
# include "avcodec.h"
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# include "codec_internal.h"
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# 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 [ ] = {
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# ifdef NVENC_HAVE_NEW_PRESETS
{ " preset " , " Set the encoding preset " , OFFSET ( preset ) , AV_OPT_TYPE_INT , { . i64 = PRESET_P4 } , PRESET_DEFAULT , PRESET_P7 , VE , " preset " } ,
# else
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{ " preset " , " Set the encoding preset " , OFFSET ( preset ) , AV_OPT_TYPE_INT , { . i64 = PRESET_MEDIUM } , PRESET_DEFAULT , PRESET_LOSSLESS_HP , VE , " preset " } ,
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# endif
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{ " default " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_DEFAULT } , 0 , 0 , VE , " preset " } ,
{ " slow " , " hq 2 passes " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_SLOW } , 0 , 0 , VE , " preset " } ,
{ " medium " , " hq 1 pass " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_MEDIUM } , 0 , 0 , VE , " preset " } ,
{ " fast " , " hp 1 pass " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_FAST } , 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 " } ,
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# ifdef NVENC_HAVE_NEW_PRESETS
{ " p1 " , " fastest (lowest quality) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P1 } , 0 , 0 , VE , " preset " } ,
{ " p2 " , " faster (lower quality) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P2 } , 0 , 0 , VE , " preset " } ,
{ " p3 " , " fast (low quality) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P3 } , 0 , 0 , VE , " preset " } ,
{ " p4 " , " medium (default) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P4 } , 0 , 0 , VE , " preset " } ,
{ " p5 " , " slow (good quality) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P5 } , 0 , 0 , VE , " preset " } ,
{ " p6 " , " slower (better quality) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P6 } , 0 , 0 , VE , " preset " } ,
{ " p7 " , " slowest (best quality) " , 0 , AV_OPT_TYPE_CONST , { . i64 = PRESET_P7 } , 0 , 0 , VE , " preset " } ,
{ " tune " , " Set the encoding tuning info " , OFFSET ( tuning_info ) , AV_OPT_TYPE_INT , { . i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY } , NV_ENC_TUNING_INFO_HIGH_QUALITY , NV_ENC_TUNING_INFO_LOSSLESS , VE , " tune " } ,
{ " hq " , " High quality " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TUNING_INFO_HIGH_QUALITY } , 0 , 0 , VE , " tune " } ,
{ " ll " , " Low latency " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TUNING_INFO_LOW_LATENCY } , 0 , 0 , VE , " tune " } ,
{ " ull " , " Ultra low latency " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY } , 0 , 0 , VE , " tune " } ,
{ " lossless " , " Lossless " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TUNING_INFO_LOSSLESS } , 0 , 0 , VE , " tune " } ,
# endif
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{ " profile " , " Set the encoding profile " , OFFSET ( profile ) , AV_OPT_TYPE_INT , { . i64 = NV_ENC_HEVC_PROFILE_MAIN } , NV_ENC_HEVC_PROFILE_MAIN , FF_PROFILE_HEVC_REXT , VE , " profile " } ,
{ " main " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_HEVC_PROFILE_MAIN } , 0 , 0 , VE , " profile " } ,
{ " main10 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_HEVC_PROFILE_MAIN_10 } , 0 , 0 , VE , " profile " } ,
{ " rext " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_HEVC_PROFILE_REXT } , 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 " } ,
{ " auto " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_AUTOSELECT } , 0 , 0 , VE , " level " } ,
{ " 1 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_1 } , 0 , 0 , VE , " level " } ,
{ " 1.0 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_1 } , 0 , 0 , VE , " level " } ,
{ " 2 " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_2 } , 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 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_3 } , 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 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_4 } , 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 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_5 } , 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 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_LEVEL_HEVC_6 } , 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 " } ,
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{ " rc " , " Override the preset rate-control " , OFFSET ( rc ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 1 , INT_MAX , 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 (deprecated) " , 0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_VBR_MINQP ) } , 0 , 0 , VE , " rc " } ,
{ " ll_2pass_quality " , " Multi-pass optimized for image quality (deprecated) " ,
0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_2_PASS_QUALITY ) } , 0 , 0 , VE , " rc " } ,
{ " ll_2pass_size " , " Multi-pass optimized for constant frame size (deprecated) " ,
0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP ) } , 0 , 0 , VE , " rc " } ,
{ " vbr_2pass " , " Multi-pass variable bitrate mode (deprecated) " , 0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_2_PASS_VBR ) } , 0 , 0 , VE , " rc " } ,
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{ " cbr_ld_hq " , " Constant bitrate low delay high quality mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_CBR_LOWDELAY_HQ ) } , 0 , 0 , VE , " rc " } ,
{ " cbr_hq " , " Constant bitrate high quality mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_CBR_HQ ) } , 0 , 0 , VE , " rc " } ,
{ " vbr_hq " , " Variable bitrate high quality mode " , 0 , AV_OPT_TYPE_CONST , { . i64 = RCD ( NV_ENC_PARAMS_RC_VBR_HQ ) } , 0 , 0 , VE , " rc " } ,
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{ " rc-lookahead " , " Number of frames to look ahead for rate-control " ,
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OFFSET ( rc_lookahead ) , AV_OPT_TYPE_INT , { . i64 = 0 } , 0 , INT_MAX , VE } ,
{ " surfaces " , " Number of concurrent surfaces " , OFFSET ( nb_surfaces ) , AV_OPT_TYPE_INT , { . i64 = 0 } , 0 , MAX_REGISTERED_FRAMES , VE } ,
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{ " cbr " , " Use cbr encoding mode " , OFFSET ( cbr ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
{ " 2pass " , " Use 2pass encoding mode " , OFFSET ( twopass ) , AV_OPT_TYPE_BOOL , { . i64 = - 1 } , - 1 , 1 , VE } ,
{ " gpu " , " Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. " ,
OFFSET ( device ) , AV_OPT_TYPE_INT , { . i64 = ANY_DEVICE } , - 2 , INT_MAX , VE , " gpu " } ,
{ " any " , " Pick the first device available " , 0 , AV_OPT_TYPE_CONST , { . i64 = ANY_DEVICE } , 0 , 0 , VE , " gpu " } ,
{ " list " , " List the available devices " , 0 , AV_OPT_TYPE_CONST , { . i64 = LIST_DEVICES } , 0 , 0 , VE , " gpu " } ,
{ " delay " , " Delay frame output by the given amount of frames " ,
OFFSET ( async_depth ) , AV_OPT_TYPE_INT , { . i64 = INT_MAX } , 0 , INT_MAX , VE } ,
{ " no-scenecut " , " When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts " ,
OFFSET ( no_scenecut ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " forced-idr " , " If forcing keyframes, force them as IDR frames. " ,
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OFFSET ( forced_idr ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , - 1 , 1 , VE } ,
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{ " spatial_aq " , " set to 1 to enable Spatial AQ " , OFFSET ( aq ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " spatial-aq " , " set to 1 to enable Spatial AQ " , OFFSET ( aq ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " temporal_aq " , " set to 1 to enable Temporal AQ " , OFFSET ( temporal_aq ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " temporal-aq " , " set to 1 to enable Temporal AQ " , OFFSET ( temporal_aq ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " zerolatency " , " Set 1 to indicate zero latency operation (no reordering delay) " ,
OFFSET ( zerolatency ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
{ " nonref_p " , " Set this to 1 to enable automatic insertion of non-reference P-frames " ,
OFFSET ( nonref_p ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
{ " strict_gop " , " Set 1 to minimize GOP-to-GOP rate fluctuations " ,
OFFSET ( strict_gop ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
{ " aq-strength " , " When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) " ,
OFFSET ( aq_strength ) , AV_OPT_TYPE_INT , { . i64 = 8 } , 1 , 15 , VE } ,
{ " cq " , " Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control " ,
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OFFSET ( quality ) , AV_OPT_TYPE_FLOAT , { . dbl = 0. } , 0. , 51. , VE } ,
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{ " aud " , " Use access unit delimiters " , OFFSET ( aud ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " bluray-compat " , " Bluray compatibility workarounds " , OFFSET ( bluray_compat ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " init_qpP " , " Initial QP value for P frame " , OFFSET ( init_qp_p ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 1 , 51 , VE } ,
{ " init_qpB " , " Initial QP value for B frame " , OFFSET ( init_qp_b ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 1 , 51 , VE } ,
{ " init_qpI " , " Initial QP value for I frame " , OFFSET ( init_qp_i ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 1 , 51 , VE } ,
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{ " qp " , " Constant quantization parameter rate control method " ,
OFFSET ( cqp ) , AV_OPT_TYPE_INT , { . i64 = - 1 } , - 1 , 51 , VE } ,
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{ " qp_cb_offset " , " Quantization parameter offset for cb channel " ,
OFFSET ( qp_cb_offset ) , AV_OPT_TYPE_INT , { . i64 = 0 } , - 12 , 12 , VE } ,
{ " qp_cr_offset " , " Quantization parameter offset for cr channel " ,
OFFSET ( qp_cr_offset ) , AV_OPT_TYPE_INT , { . i64 = 0 } , - 12 , 12 , VE } ,
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{ " weighted_pred " , " Set 1 to enable weighted prediction " ,
OFFSET ( weighted_pred ) , AV_OPT_TYPE_INT , { . i64 = 0 } , 0 , 1 , VE } ,
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# ifdef NVENC_HAVE_HEVC_BFRAME_REF_MODE
{ " b_ref_mode " , " Use B frames as references " , OFFSET ( b_ref_mode ) , AV_OPT_TYPE_INT , { . i64 = NV_ENC_BFRAME_REF_MODE_DISABLED } , NV_ENC_BFRAME_REF_MODE_DISABLED , NV_ENC_BFRAME_REF_MODE_MIDDLE , VE , " b_ref_mode " } ,
{ " disabled " , " B frames will not be used for reference " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_BFRAME_REF_MODE_DISABLED } , 0 , 0 , VE , " b_ref_mode " } ,
{ " each " , " Each B frame will be used for reference " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_BFRAME_REF_MODE_EACH } , 0 , 0 , VE , " b_ref_mode " } ,
{ " middle " , " Only (number of B frames)/2 will be used for reference " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_BFRAME_REF_MODE_MIDDLE } , 0 , 0 , VE , " b_ref_mode " } ,
# else
{ " b_ref_mode " , " (not supported) " , OFFSET ( b_ref_mode ) , AV_OPT_TYPE_INT , { . i64 = 0 } , 0 , INT_MAX , VE , " b_ref_mode " } ,
{ " disabled " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = 0 } , 0 , 0 , VE , " b_ref_mode " } ,
{ " each " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = 1 } , 0 , 0 , VE , " b_ref_mode " } ,
{ " middle " , " " , 0 , AV_OPT_TYPE_CONST , { . i64 = 2 } , 0 , 0 , VE , " b_ref_mode " } ,
# endif
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{ " a53cc " , " Use A53 Closed Captions (if available) " , OFFSET ( a53_cc ) , AV_OPT_TYPE_BOOL , { . i64 = 1 } , 0 , 1 , VE } ,
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{ " s12m_tc " , " Use timecode (if available) " , OFFSET ( s12m_tc ) , AV_OPT_TYPE_BOOL , { . i64 = 1 } , 0 , 1 , VE } ,
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{ " dpb_size " , " Specifies the DPB size used for encoding (0 means automatic) " ,
OFFSET ( dpb_size ) , AV_OPT_TYPE_INT , { . i64 = 0 } , 0 , INT_MAX , VE } ,
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# ifdef NVENC_HAVE_MULTIPASS
{ " multipass " , " Set the multipass encoding " , OFFSET ( multipass ) , AV_OPT_TYPE_INT , { . i64 = NV_ENC_MULTI_PASS_DISABLED } , NV_ENC_MULTI_PASS_DISABLED , NV_ENC_TWO_PASS_FULL_RESOLUTION , VE , " multipass " } ,
{ " disabled " , " Single Pass " , 0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_MULTI_PASS_DISABLED } , 0 , 0 , VE , " multipass " } ,
{ " qres " , " Two Pass encoding is enabled where first Pass is quarter resolution " ,
0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TWO_PASS_QUARTER_RESOLUTION } , 0 , 0 , VE , " multipass " } ,
{ " fullres " , " Two Pass encoding is enabled where first Pass is full resolution " ,
0 , AV_OPT_TYPE_CONST , { . i64 = NV_ENC_TWO_PASS_FULL_RESOLUTION } , 0 , 0 , VE , " multipass " } ,
# endif
# ifdef NVENC_HAVE_LDKFS
{ " ldkfs " , " Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR " ,
OFFSET ( ldkfs ) , AV_OPT_TYPE_INT , { . i64 = 0 } , 0 , UCHAR_MAX , VE } ,
# endif
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{ " extra_sei " , " Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream " ,
OFFSET ( extra_sei ) , AV_OPT_TYPE_BOOL , { . i64 = 1 } , 0 , 1 , VE } ,
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{ " udu_sei " , " Pass on user data unregistered SEI if available " ,
OFFSET ( udu_sei ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " intra-refresh " , " Use Periodic Intra Refresh instead of IDR frames " ,
OFFSET ( intra_refresh ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " single-slice-intra-refresh " , " Use single slice intra refresh " ,
OFFSET ( single_slice_intra_refresh ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ " constrained-encoding " , " Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices " ,
OFFSET ( constrained_encoding ) , AV_OPT_TYPE_BOOL , { . i64 = 0 } , 0 , 1 , VE } ,
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{ NULL }
} ;
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static const FFCodecDefault defaults [ ] = {
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{ " b " , " 2M " } ,
{ " qmin " , " -1 " } ,
{ " qmax " , " -1 " } ,
{ " qdiff " , " -1 " } ,
{ " qblur " , " -1 " } ,
{ " qcomp " , " -1 " } ,
{ " g " , " 250 " } ,
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{ " bf " , " -1 " } ,
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{ " refs " , " 0 " } ,
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{ NULL } ,
} ;
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static const AVClass hevc_nvenc_class = {
. class_name = " hevc_nvenc " ,
. item_name = av_default_item_name ,
. option = options ,
. version = LIBAVUTIL_VERSION_INT ,
} ;
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const FFCodec ff_hevc_nvenc_encoder = {
. p . name = " hevc_nvenc " ,
. p . long_name = NULL_IF_CONFIG_SMALL ( " NVIDIA NVENC hevc encoder " ) ,
. p . type = AVMEDIA_TYPE_VIDEO ,
. p . id = AV_CODEC_ID_HEVC ,
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. init = ff_nvenc_encode_init ,
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. receive_packet = ff_nvenc_receive_packet ,
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. close = ff_nvenc_encode_close ,
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. flush = ff_nvenc_encode_flush ,
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. priv_data_size = sizeof ( NvencContext ) ,
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. p . priv_class = & hevc_nvenc_class ,
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. defaults = defaults ,
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. p . pix_fmts = ff_nvenc_pix_fmts ,
. p . capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
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AV_CODEC_CAP_ENCODER_FLUSH | AV_CODEC_CAP_DR1 ,
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. caps_internal = FF_CODEC_CAP_INIT_CLEANUP ,
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. p . wrapper_name = " nvenc " ,
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. hw_configs = ff_nvenc_hw_configs ,
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} ;
