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./ffmpeg -hide_banner -v verbose -h encoder=hevc_nvenc
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Encoder hevc_nvenc [NVIDIA NVENC hevc 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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hevc_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....... lossless
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losslesshp 11 E..V....... lossless hp
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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 to 4) (default main)
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main 0 E..V.......
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main10 1 E..V.......
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rext 2 E..V.......
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-level <int> E..V....... Set the encoding level restriction (from 0 to 186) (default auto)
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auto 0 E..V.......
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1 30 E..V.......
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1.0 30 E..V.......
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2 60 E..V.......
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2.0 60 E..V.......
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2.1 63 E..V.......
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3 90 E..V.......
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3.0 90 E..V.......
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3.1 93 E..V.......
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4 120 E..V.......
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4.0 120 E..V.......
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4.1 123 E..V.......
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5 150 E..V.......
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5.0 150 E..V.......
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5.1 153 E..V.......
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5.2 156 E..V.......
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6 180 E..V.......
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6.0 180 E..V.......
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6.1 183 E..V.......
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6.2 186 E..V.......
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-tier <int> E..V....... Set the encoding tier (from 0 to 1) (default main)
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main 0 E..V.......
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high 1 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 quality (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 quality 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 (from 0 to 64) (default 0)
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-cbr <boolean> E..V....... Use cbr encoding mode (default false)
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-2pass <boolean> E..V....... Use 2pass encoding mode (default auto)
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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 amount of frames (from 0 to INT_MAX) (default INT_MAX)
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-no-scenecut <boolean> E..V....... When lookahead is enabled, set this 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 as IDR frames. (default false)
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-spatial_aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
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-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
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-temporal_aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
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-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
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-zerolatency <boolean> E..V....... Set 1 to indicate zero latency operation (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 field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (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 (default 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 rate control method (from -1 to 51) (default -1)
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-weighted_pred <int> E..V....... Set 1 to enable weighted prediction (from 0 to 1) (default 0)
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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 reference
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each 1 E..V....... Each B frame will be used for reference
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middle 2 E..V....... Only (number of B frames)/2 will be used for reference
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-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
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-s12m_tc <boolean> E..V....... Use timecode (if available) (default true)
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-dpb_size <int> E..V....... Specifies the DPB size used for encoding (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; Specifies 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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