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ffmpeg version N-103078-gbc5faacc3f Copyright (c) 2000-2021 the FFmpeg developer s
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built with gcc 9 (Ubuntu 9.3.0-17ubuntu1~20.04)
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configuration: --enable-cuda --enable-cuvid --enable-nvdec --enable-nvenc --en able-nonfree --enable-libnpp --extra-cflags=-I/usr/local/cuda/include --extra-ld flags=-L/usr/local/cuda/lib64
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libavutil 57. 2.100 / 57. 2.100
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libavcodec 59. 3.102 / 59. 3.102
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libavformat 59. 4.101 / 59. 4.101
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libavdevice 59. 0.100 / 59. 0.100
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libavfilter 8. 1.103 / 8. 1.103
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libswscale 6. 0.100 / 6. 0.100
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libswresample 4. 0.100 / 4. 0.100
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Encoder h264_nvenc [NVIDIA NVENC H.264 encoder]:
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General capabilities: dr1 delay hardware
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Threading capabilities: none
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Supported hardware devices: cuda cuda
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Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 gbrp gbrp16le cuda
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h264_nvenc AVOptions:
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-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
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default 0 E..V.......
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slow 1 E..V....... hq 2 passes
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medium 2 E..V....... hq 1 pass
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fast 3 E..V....... hp 1 pass
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hp 4 E..V.......
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hq 5 E..V.......
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bd 6 E..V.......
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ll 7 E..V....... low latency
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llhq 8 E..V....... low latency hq
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llhp 9 E..V....... low latency hp
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lossless 10 E..V.......
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losslesshp 11 E..V.......
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p1 12 E..V....... fastest (lowest quality)
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p2 13 E..V....... faster (lower quality)
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p3 14 E..V....... fast (low quality)
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p4 15 E..V....... medium (default)
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p5 16 E..V....... slow (good quality)
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p6 17 E..V....... slower (better quality)
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p7 18 E..V....... slowest (best quality)
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-tune <int> E..V....... Set the encoding tuning info (from 1 to 4) (default hq)
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hq 1 E..V....... High quality
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ll 2 E..V....... Low latency
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ull 3 E..V....... Ultra low latency
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lossless 4 E..V....... Lossless
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-profile <int> E..V....... Set the encoding profile (from 0 t o 3) (default main)
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baseline 0 E..V.......
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main 1 E..V.......
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high 2 E..V.......
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high444p 3 E..V.......
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-level <int> E..V....... Set the encoding level restriction (from 0 to 62) (default auto)
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auto 0 E..V.......
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1 10 E..V.......
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1.0 10 E..V.......
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1b 9 E..V.......
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1.0b 9 E..V.......
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1.1 11 E..V.......
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1.2 12 E..V.......
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1.3 13 E..V.......
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2 20 E..V.......
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2.0 20 E..V.......
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2.1 21 E..V.......
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2.2 22 E..V.......
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3 30 E..V.......
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3.0 30 E..V.......
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3.1 31 E..V.......
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3.2 32 E..V.......
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4 40 E..V.......
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4.0 40 E..V.......
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4.1 41 E..V.......
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4.2 42 E..V.......
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5 50 E..V.......
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5.0 50 E..V.......
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5.1 51 E..V.......
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5.2 52 E..V.......
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6.0 60 E..V.......
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6.1 61 E..V.......
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6.2 62 E..V.......
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-rc <int> E..V....... Override the preset rate-control ( from -1 to INT_MAX) (default -1)
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constqp 0 E..V....... Constant QP mode
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vbr 1 E..V....... Variable bitrate mode
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cbr 2 E..V....... Constant bitrate mode
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vbr_minqp 8388612 E..V....... Variable bitrate mode with MinQP ( deprecated)
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ll_2pass_quality 8388616 E..V....... Multi-pass optimized for image qu ality (deprecated)
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ll_2pass_size 8388624 E..V....... Multi-pass optimized for constant frame size (deprecated)
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vbr_2pass 8388640 E..V....... Multi-pass variable bitrate mode ( deprecated)
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cbr_ld_hq 8388616 E..V....... Constant bitrate low delay high qu ality mode
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cbr_hq 8388624 E..V....... Constant bitrate high quality mode
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vbr_hq 8388640 E..V....... Variable bitrate high quality mode
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-rc-lookahead <int> E..V....... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
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-surfaces <int> E..V....... Number of concurrent surfaces (fro m 0 to 64) (default 0)
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-cbr <boolean> E..V....... Use cbr encoding mode (default fal se)
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-2pass <boolean> E..V....... Use 2pass encoding mode (default a uto)
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-gpu <int> E..V....... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
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any -1 E..V....... Pick the first device available
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list -2 E..V....... List the available devices
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-delay <int> E..V....... Delay frame output by the given am ount of frames (from 0 to INT_MAX) (default INT_MAX)
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-no-scenecut <boolean> E..V....... When lookahead is enabled, set thi s to 1 to disable adaptive I-frame insertion at scene cuts (default false)
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-forced-idr <boolean> E..V....... If forcing keyframes, force them a s IDR frames. (default false)
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-b_adapt <boolean> E..V....... When lookahead is enabled, set thi s to 0 to disable adaptive B-frame decision (default true)
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-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (def ault false)
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-spatial_aq <boolean> E..V....... set to 1 to enable Spatial AQ (def ault false)
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-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (de fault false)
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-temporal_aq <boolean> E..V....... set to 1 to enable Temporal AQ (de fault false)
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-zerolatency <boolean> E..V....... Set 1 to indicate zero latency ope ration (no reordering delay) (default false)
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-nonref_p <boolean> E..V....... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
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-strict_gop <boolean> E..V....... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
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-aq-strength <int> E..V....... When Spatial AQ is enabled, this f ield is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (agg ressive) (from 1 to 15) (default 8)
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-cq <float> E..V....... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
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-aud <boolean> E..V....... Use access unit delimiters (defaul t false)
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-bluray-compat <boolean> E..V....... Bluray compatibility workarounds ( default false)
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-init_qpP <int> E..V....... Initial QP value for P frame (from -1 to 51) (default -1)
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-init_qpB <int> E..V....... Initial QP value for B frame (from -1 to 51) (default -1)
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-init_qpI <int> E..V....... Initial QP value for I frame (from -1 to 51) (default -1)
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-qp <int> E..V....... Constant quantization parameter ra te control method (from -1 to 51) (default -1)
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-weighted_pred <int> E..V....... Set 1 to enable weighted predictio n (from 0 to 1) (default 0)
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-coder <int> E..V....... Coder type (from -1 to 2) (default default)
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default -1 E..V.......
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auto 0 E..V.......
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cabac 1 E..V.......
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cavlc 2 E..V.......
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ac 1 E..V.......
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vlc 2 E..V.......
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-b_ref_mode <int> E..V....... Use B frames as references (from 0 to 2) (default disabled)
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disabled 0 E..V....... B frames will not be used for refe rence
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each 1 E..V....... Each B frame will be used for refe rence
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middle 2 E..V....... Only (number of B frames)/2 will b e used for reference
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-a53cc <boolean> E..V....... Use A53 Closed Captions (if availa ble) (default true)
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-dpb_size <int> E..V....... Specifies the DPB size used for en coding (0 means automatic) (from 0 to INT_MAX) (default 0)
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-multipass <int> E..V....... Set the multipass encoding (from 0 to 2) (default disabled)
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disabled 0 E..V....... Single Pass
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qres 1 E..V....... Two Pass encoding is enabled where first Pass is quarter resolution
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fullres 2 E..V....... Two Pass encoding is enabled where first Pass is full resolution
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-ldkfs <int> E..V....... Low delay key frame scale; Specifi es the Scene Change frame size increase allowed in case of single frame VBV and CBR (from 0 to 255) (default 0)
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-extra_sei <boolean> E..V....... Pass on extra SEI data (e.g. a53 c c) to be included in the bitstream (default true)
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