ffmpeg -h encoder=hevc_nvenc
Encoder hevc_nvenc [NVIDIA NVENC hevc encoder]: | |
General capabilities: delay hardware | |
Threading capabilities: none | |
Supported hardware devices: cuda cuda d3d11va d3d11va | |
Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 cuda d3d11 | |
hevc_nvenc AVOptions: | |
-preset <int> E..V...... Set the encoding preset (from 0 to 18) (default p4) | |
default 0 E..V...... | |
slow 1 E..V...... hq 2 passes | |
medium 2 E..V...... hq 1 pass | |
fast 3 E..V...... hp 1 pass | |
hp 4 E..V...... | |
hq 5 E..V...... | |
bd 6 E..V...... | |
ll 7 E..V...... low latency | |
llhq 8 E..V...... low latency hq | |
llhp 9 E..V...... low latency hp | |
lossless 10 E..V...... lossless | |
losslesshp 11 E..V...... lossless hp | |
p1 12 E..V...... fastest (lowest quality) | |
p2 13 E..V...... faster (lower quality) | |
p3 14 E..V...... fast (low quality) | |
p4 15 E..V...... medium (default) | |
p5 16 E..V...... slow (good quality) | |
p6 17 E..V...... slower (better quality) | |
p7 18 E..V...... slowest (best quality) | |
-tune <int> E..V...... Set the encoding tuning info (from 1 to 4) (default hq) | |
hq 1 E..V...... High quality | |
ll 2 E..V...... Low latency | |
ull 3 E..V...... Ultra low latency | |
lossless 4 E..V...... Lossless | |
-profile <int> E..V...... Set the encoding profile (from 0 to 4) (default main) | |
main 0 E..V...... | |
main10 1 E..V...... | |
rext 2 E..V...... | |
-level <int> E..V...... Set the encoding level restriction (from 0 to 186) (default auto) | |
auto 0 E..V...... | |
1 30 E..V...... | |
1.0 30 E..V...... | |
2 60 E..V...... | |
2.0 60 E..V...... | |
2.1 63 E..V...... | |
3 90 E..V...... | |
3.0 90 E..V...... | |
3.1 93 E..V...... | |
4 120 E..V...... | |
4.0 120 E..V...... | |
4.1 123 E..V...... | |
5 150 E..V...... | |
5.0 150 E..V...... | |
5.1 153 E..V...... | |
5.2 156 E..V...... | |
6 180 E..V...... | |
6.0 180 E..V...... | |
6.1 183 E..V...... | |
6.2 186 E..V...... | |
-tier <int> E..V...... Set the encoding tier (from 0 to 1) (default main) | |
main 0 E..V...... | |
high 1 E..V...... | |
-rc <int> E..V...... Override the preset rate-control (from -1 to INT_MAX) (default -1) | |
constqp 0 E..V...... Constant QP mode | |
vbr 1 E..V...... Variable bitrate mode | |
cbr 2 E..V...... Constant bitrate mode | |
vbr_minqp 8388612 E..V...... Variable bitrate mode with MinQP (deprecated) | |
ll_2pass_quality 8388616 E..V...... Multi-pass optimized for image quality (deprecated) | |
ll_2pass_size 8388624 E..V...... Multi-pass optimized for constant frame size (deprecated) | |
vbr_2pass 8388640 E..V...... Multi-pass variable bitrate mode (deprecated) | |
cbr_ld_hq 8388616 E..V...... Constant bitrate low delay high quality mode | |
cbr_hq 8388624 E..V...... Constant bitrate high quality mode | |
vbr_hq 8388640 E..V...... Variable bitrate high quality mode | |
-rc-lookahead <int> E..V...... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0) | |
-surfaces <int> E..V...... Number of concurrent surfaces (from 0 to 64) (default 0) | |
-cbr <boolean> E..V...... Use cbr encoding mode (default false) | |
-2pass <boolean> E..V...... Use 2pass encoding mode (default auto) | |
-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) | |
any -1 E..V...... Pick the first device available | |
list -2 E..V...... List the available devices | |
-delay <int> E..V...... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX) | |
-no-scenecut <boolean> E..V...... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false) | |
-forced-idr <boolean> E..V...... If forcing keyframes, force them as IDR frames. (default false) | |
-spatial_aq <boolean> E..V...... set to 1 to enable Spatial AQ (default false) | |
-spatial-aq <boolean> E..V...... set to 1 to enable Spatial AQ (default false) | |
-temporal_aq <boolean> E..V...... set to 1 to enable Temporal AQ (default false) | |
-temporal-aq <boolean> E..V...... set to 1 to enable Temporal AQ (default false) | |
-zerolatency <boolean> E..V...... Set 1 to indicate zero latency operation (no reordering delay) (default false) | |
-nonref_p <boolean> E..V...... Set this to 1 to enable automatic insertion of non-reference P-frames (default false) | |
-strict_gop <boolean> E..V...... Set 1 to minimize GOP-to-GOP rate fluctuations (default false) | |
-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) | |
-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) | |
-aud <boolean> E..V...... Use access unit delimiters (default false) | |
-bluray-compat <boolean> E..V...... Bluray compatibility workarounds (default false) | |
-init_qpP <int> E..V...... Initial QP value for P frame (from -1 to 51) (default -1) | |
-init_qpB <int> E..V...... Initial QP value for B frame (from -1 to 51) (default -1) | |
-init_qpI <int> E..V...... Initial QP value for I frame (from -1 to 51) (default -1) | |
-qp <int> E..V...... Constant quantization parameter rate control method (from -1 to 51) (default -1) | |
-weighted_pred <int> E..V...... Set 1 to enable weighted prediction (from 0 to 1) (default 0) | |
-b_ref_mode <int> E..V...... Use B frames as references (from 0 to 2) (default disabled) | |
disabled 0 E..V...... B frames will not be used for reference | |
each 1 E..V...... Each B frame will be used for reference | |
middle 2 E..V...... Only (number of B frames)/2 will be used for reference | |
-a53cc <boolean> E..V...... Use A53 Closed Captions (if available) (default true) | |
-s12m_tc <boolean> E..V...... Use timecode (if available) (default true) | |
-dpb_size <int> E..V...... Specifies the DPB size used for encoding (0 means automatic) (from 0 to INT_MAX) (default 0) | |
-multipass <int> E..V...... Set the multipass encoding (from 0 to 2) (default disabled) | |
disabled 0 E..V...... Single Pass | |
qres 1 E..V...... Two Pass encoding is enabled where first Pass is quarter resolution | |
fullres 2 E..V...... Two Pass encoding is enabled where first Pass is full resolution | |
-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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