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aomenc --help
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| Usage: aomenc <options> -o dst_filename src_filename | |
| Options: | |
| --help Show usage options and exit | |
| -c <arg>, --cfg=<arg> Config file to use | |
| -D, --debug Debug mode (makes output deterministic) | |
| -o <arg>, --output=<arg> Output filename | |
| --codec=<arg> Codec to use | |
| -p <arg>, --passes=<arg> Number of passes (1/2/3) | |
| --pass=<arg> Pass to execute (1/2/3) | |
| --fpf=<arg> First pass statistics file name | |
| --limit=<arg> Stop encoding after n input frames | |
| --skip=<arg> Skip the first n input frames | |
| --good Use Good Quality Deadline | |
| --rt Use Realtime Quality Deadline | |
| --allintra Use all intra mode | |
| -q, --quiet Do not print encode progress | |
| -v, --verbose Show encoder parameters | |
| --psnr=<arg> Show PSNR in status line (0: Disable PSNR status line display, 1: PSNR calculated using input bit-depth (default), 2: PSNR calculated using stream bit-depth); takes default option when arguments are not specified | |
| --webm Output WebM (default when WebM IO is enabled) | |
| --ivf Output IVF | |
| --obu Output OBU | |
| --q-hist=<arg> Show quantizer histogram (n-buckets) | |
| --rate-hist=<arg> Show rate histogram (n-buckets) | |
| --disable-warnings Disable warnings about potentially incorrect encode settings | |
| -y, --disable-warning-prompt Display warnings, but do not prompt user to continue | |
| --test-decode=<arg> Test encode/decode mismatch | |
| off, fatal, warn | |
| Encoder Global Options: | |
| --nv12 Input file is NV12 | |
| --yv12 Input file is YV12 | |
| --i420 Input file is I420 (default) | |
| --i422 Input file is I422 | |
| --i444 Input file is I444 | |
| -u <arg>, --usage=<arg> Usage profile number to use (0: good, 1: rt, 2: allintra) | |
| -t <arg>, --threads=<arg> Max number of threads to use | |
| --profile=<arg> Bitstream profile number to use | |
| -w <arg>, --width=<arg> Frame width | |
| -h <arg>, --height=<arg> Frame height | |
| --forced_max_frame_width=<arg> | |
| Maximum frame width value to force | |
| --forced_max_frame_height=<arg> | |
| Maximum frame height value to force | |
| --stereo-mode=<arg> Stereo 3D video format | |
| mono, left-right, bottom-top, top-bottom, right-left | |
| --timebase=<arg> Output timestamp precision (fractional seconds) | |
| --fps=<arg> Stream frame rate (rate/scale) | |
| --global-error-resilient=<arg> | |
| Enable global error resiliency features | |
| -b <arg>, --bit-depth=<arg> Bit depth for codec | |
| 8, 10, 12 | |
| --input-bit-depth=<arg> Bit depth of input | |
| --lag-in-frames=<arg> Max number of frames to lag | |
| --large-scale-tile=<arg> Large scale tile coding (0: off (default), 1: on (ivf output only)) | |
| --monochrome Monochrome video (no chroma planes) | |
| --full-still-picture-hdr Use full header for still picture | |
| --use-16bit-internal Force use of 16-bit pipeline | |
| --annexb=<arg> Save as Annex-B | |
| Rate Control Options: | |
| --drop-frame=<arg> Temporal resampling threshold (buf %) | |
| --resize-mode=<arg> Frame resize mode (0: off (default), 1: fixed, 2: random, 3: dynamic) | |
| --resize-denominator=<arg> Frame resize denominator | |
| --resize-kf-denominator=<arg> | |
| Frame resize keyframe denominator | |
| --superres-mode=<arg> Frame super-resolution mode (0: disabled (default), 1: fixed, 2: random, 3: qthresh, 4: auto) | |
| --superres-denominator=<arg> | |
| Frame super-resolution denominator | |
| --superres-kf-denominator=<arg> | |
| Frame super-resolution keyframe denominator | |
| --superres-qthresh=<arg> Frame super-resolution qindex threshold | |
| --superres-kf-qthresh=<arg> Frame super-resolution keyframe qindex threshold | |
| --end-usage=<arg> Rate control mode | |
| vbr, cbr, cq, q | |
| --target-bitrate=<arg> Bitrate (kbps) | |
| --min-q=<arg> Minimum (best) quantizer | |
| --max-q=<arg> Maximum (worst) quantizer | |
| --undershoot-pct=<arg> Datarate undershoot (min) target (%) | |
| --overshoot-pct=<arg> Datarate overshoot (max) target (%) | |
| --buf-sz=<arg> Client buffer size (ms) | |
| --buf-initial-sz=<arg> Client initial buffer size (ms) | |
| --buf-optimal-sz=<arg> Client optimal buffer size (ms) | |
| --bias-pct=<arg> CBR/VBR bias (0=CBR, 100=VBR) | |
| --minsection-pct=<arg> GOP min bitrate (% of target) | |
| --maxsection-pct=<arg> GOP max bitrate (% of target) | |
| Keyframe Placement Options: | |
| --enable-fwd-kf=<arg> Enable forward reference keyframes | |
| --kf-min-dist=<arg> Minimum keyframe interval (frames) | |
| --kf-max-dist=<arg> Maximum keyframe interval (frames) | |
| --disable-kf Disable keyframe placement | |
| --sframe-dist=<arg> S-Frame interval (frames) | |
| --sframe-mode=<arg> S-Frame insertion mode (1..2) | |
| AV1 Specific Options: | |
| --cpu-used=<arg> Speed setting (0..6 in good mode, 5..11 in realtime mode, 0..9 in all intra mode) | |
| --auto-alt-ref=<arg> Enable automatic alt reference frames | |
| --sharpness=<arg> Bias towards block sharpness in rate-distortion optimization of transform coefficients (0..7), default is 0 | |
| --static-thresh=<arg> Motion detection threshold | |
| --row-mt=<arg> Enable row based multi-threading (0: off, 1: on (default)) | |
| --fp-mt=<arg> Enable frame parallel multi-threading (0: off (default), 1: on) | |
| --tile-columns=<arg> Number of tile columns to use, log2 | |
| --tile-rows=<arg> Number of tile rows to use, log2 | |
| --enable-tpl-model=<arg> RDO based on frame temporal dependency (0: off, 1: backward source based); required for deltaq mode | |
| --enable-keyframe-filtering=<arg> | |
| Apply temporal filtering on key frame (0: no filter, 1: filter without overlay (default), 2: filter with overlay - experimental, may break random access in players) | |
| --arnr-maxframes=<arg> AltRef max frames (0..15) | |
| --arnr-strength=<arg> AltRef filter strength (0..6) | |
| --tune=<arg> Distortion metric tuned with | |
| psnr, ssim, vmaf_with_preprocessing, vmaf_without_preprocessing, vmaf, vmaf_neg, butteraugli, vmaf_saliency_map | |
| --cq-level=<arg> Constant/Constrained Quality level | |
| --max-intra-rate=<arg> Max I-frame bitrate (pct) | |
| --max-inter-rate=<arg> Max P-frame bitrate (pct) | |
| --gf-cbr-boost=<arg> Boost for Golden Frame in CBR mode (pct) | |
| --lossless=<arg> Lossless mode (0: false (default), 1: true) | |
| --enable-cdef=<arg> Enable the constrained directional enhancement filter (0: false, 1: true (default), 2: disable for non-reference frames) | |
| --enable-restoration=<arg> Enable the loop restoration filter (0: false (default in realtime mode), 1: true (default in non-realtime mode)) | |
| --enable-rect-partitions=<arg> | |
| Enable rectangular partitions (0: false, 1: true (default)) | |
| --enable-ab-partitions=<arg> | |
| Enable ab partitions (0: false, 1: true (default)) | |
| --enable-1to4-partitions=<arg> | |
| Enable 1:4 and 4:1 partitions (0: false, 1: true (default)) | |
| --min-partition-size=<arg> Set min partition size (4:4x4, 8:8x8, 16:16x16, 32:32x32, 64:64x64, 128:128x128); with 4k+ resolutions or higher speed settings, min partition size will have a minimum of 8 | |
| --max-partition-size=<arg> Set max partition size (4:4x4, 8:8x8, 16:16x16, 32:32x32, 64:64x64, 128:128x128) | |
| --enable-dual-filter=<arg> Enable dual filter (0: false, 1: true (default)) | |
| --enable-chroma-deltaq=<arg> | |
| Enable chroma delta quant (0: false (default), 1: true) | |
| --enable-intra-edge-filter=<arg> | |
| Enable intra edge filtering (0: false, 1: true (default)) | |
| --enable-order-hint=<arg> Enable order hint (0: false, 1: true (default)) | |
| --enable-tx64=<arg> Enable 64-pt transform (0: false, 1: true (default)) | |
| --enable-flip-idtx=<arg> Enable extended transform type (0: false, 1: true (default)) including FLIPADST_DCT, DCT_FLIPADST, FLIPADST_FLIPADST, ADST_FLIPADST, FLIPADST_ADST, IDTX, V_DCT, H_DCT, V_ADST, H_ADST, V_FLIPADST, H_FLIPADST | |
| --enable-rect-tx=<arg> Enable rectangular transform (0: false, 1: true (default)) | |
| --enable-dist-wtd-comp=<arg> | |
| Enable distance-weighted compound (0: false, 1: true (default)) | |
| --enable-masked-comp=<arg> Enable masked (wedge/diff-wtd) compound (0: false, 1: true (default)) | |
| --enable-onesided-comp=<arg> | |
| Enable one sided compound (0: false, 1: true (default)) | |
| --enable-interintra-comp=<arg> | |
| Enable interintra compound (0: false, 1: true (default)) | |
| --enable-smooth-interintra=<arg> | |
| Enable smooth interintra mode (0: false, 1: true (default)) | |
| --enable-diff-wtd-comp=<arg> | |
| Enable difference-weighted compound (0: false, 1: true (default)) | |
| --enable-interinter-wedge=<arg> | |
| Enable interinter wedge compound (0: false, 1: true (default)) | |
| --enable-interintra-wedge=<arg> | |
| Enable interintra wedge compound (0: false, 1: true (default)) | |
| --enable-global-motion=<arg> | |
| Enable global motion (0: false, 1: true (default)) | |
| --enable-warped-motion=<arg> | |
| Enable local warped motion (0: false, 1: true (default)) | |
| --enable-filter-intra=<arg> Enable filter intra prediction mode (0: false, 1: true (default)) | |
| --enable-smooth-intra=<arg> Enable smooth intra prediction modes (0: false, 1: true (default)) | |
| --enable-paeth-intra=<arg> Enable Paeth intra prediction mode (0: false, 1: true (default)) | |
| --enable-cfl-intra=<arg> Enable chroma from luma intra prediction mode (0: false, 1: true (default)) | |
| --enable-diagonal-intra=<arg> | |
| Enable diagonal (D45 to D203) intra prediction modes, which are a subset of directional modes; has no effect if enable-directional-intra is 0 (0: false, 1: true (default)) | |
| --force-video-mode=<arg> Force video mode even for a single frame (0: false (default), 1: true) | |
| --enable-obmc=<arg> Enable OBMC (0: false, 1: true (default)) | |
| --enable-overlay=<arg> Enable coding overlay frames (0: false, 1: true (default)) | |
| --enable-palette=<arg> Enable palette prediction mode (0: false, 1: true (default)) | |
| --enable-intrabc=<arg> Enable intra block copy prediction mode (0: false, 1: true (default)) | |
| --enable-angle-delta=<arg> Enable intra angle delta (0: false, 1: true (default)) | |
| --disable-trellis-quant=<arg> | |
| Disable trellis optimization of quantized coefficients (0: false 1: true 2: true for rd search 3: true for estimate yrd search (default)) | |
| --enable-qm=<arg> Enable quantisation matrices (0: false (default), 1: true) | |
| --qm-min=<arg> Min quant matrix flatness (0..15), default is 8 | |
| --qm-max=<arg> Max quant matrix flatness (0..15), default is 15 | |
| --reduced-tx-type-set=<arg> Use reduced set of transform types | |
| --use-intra-dct-only=<arg> Use DCT only for INTRA modes | |
| --use-inter-dct-only=<arg> Use DCT only for INTER modes | |
| --use-intra-default-tx-only=<arg> | |
| Use Default-transform only for INTRA modes | |
| --quant-b-adapt=<arg> Use adaptive quantize_b | |
| --coeff-cost-upd-freq=<arg> Update freq for coeff costs. 0: SB, 1: SB Row per Tile, 2: Tile, 3: Off | |
| --mode-cost-upd-freq=<arg> Update freq for mode costs. 0: SB, 1: SB Row per Tile, 2: Tile, 3: Off | |
| --mv-cost-upd-freq=<arg> Update freq for mv costs. 0: SB, 1: SB Row per Tile, 2: Tile, 3: Off | |
| --frame-parallel=<arg> Enable frame parallel decodability features (0: false (default), 1: true) | |
| --error-resilient=<arg> Enable error resilient features (0: false (default), 1: true) | |
| --aq-mode=<arg> Adaptive quantization mode (0: off (default), 1: variance 2: complexity, 3: cyclic refresh) | |
| --deltaq-mode=<arg> Delta qindex mode (0: off, 1: deltaq objective (default), 2: deltaq placeholder, 3: key frame visual quality, 4: user rating based visual quality optimization); requires --enable-tpl-model=1 | |
| --deltaq-strength=<arg> Deltaq strength for --deltaq-mode=4 (%) | |
| --delta-lf-mode=<arg> Enable delta-lf-mode (0: off (default), 1: on) | |
| --frame-boost=<arg> Enable frame periodic boost (0: off (default), 1: on) | |
| --noise-sensitivity=<arg> Noise sensitivity (frames to blur) | |
| --tune-content=<arg> Tune content type | |
| default, screen, film | |
| --cdf-update-mode=<arg> CDF update mode for entropy coding (0: no CDF update, 1: update CDF on all frames (default), 2: selectively update CDF on some frames) | |
| --color-primaries=<arg> Color primaries (CICP) of input content: | |
| bt709, unspecified, bt601, bt470m, bt470bg, smpte240, film, bt2020, xyz, smpte431, smpte432, ebu3213 | |
| --transfer-characteristics=<arg> | |
| Transfer characteristics (CICP) of input content: | |
| unspecified, bt709, bt470m, bt470bg, bt601, smpte240, lin, log100, log100sq10, iec61966, bt1361, srgb, bt2020-10bit, bt2020-12bit, smpte2084, hlg, smpte428 | |
| --matrix-coefficients=<arg> Matrix coefficients (CICP) of input content: | |
| identity, bt709, unspecified, fcc73, bt470bg, bt601, smpte240, ycgco, bt2020ncl, bt2020cl, smpte2085, chromncl, chromcl, ictcp | |
| --chroma-sample-position=<arg> | |
| The chroma sample position when chroma 4:2:0 is signaled: | |
| unknown, vertical, colocated | |
| --min-gf-interval=<arg> Min gf/arf frame interval (default 0, indicating in-built behavior) | |
| --max-gf-interval=<arg> Max gf/arf frame interval (default 0, indicating in-built behavior) | |
| --gf-min-pyr-height=<arg> Min height for GF group pyramid structure (0 (default) to 5) | |
| --gf-max-pyr-height=<arg> Maximum height for GF group pyramid structure (0 to 5 (default)) | |
| --sb-size=<arg> Superblock size to use | |
| dynamic, 64, 128 | |
| --num-tile-groups=<arg> Maximum number of tile groups, default is 1 | |
| --mtu-size=<arg> MTU size for a tile group, default is 0 (no MTU targeting), overrides maximum number of tile groups | |
| --timing-info=<arg> Signal timing info in the bitstream (model only works for no hidden frames, no super-res yet): | |
| unspecified, constant, model | |
| --film-grain-test=<arg> Film grain test vectors (0: none (default), 1: test-1 2: test-2, ... 16: test-16) | |
| --film-grain-table=<arg> Path to file containing film grain parameters | |
| --denoise-noise-level=<arg> Amount of noise (from 0 = don't denoise, to 50) | |
| --denoise-block-size=<arg> Denoise block size (default = 32) | |
| --enable-dnl-denoising=<arg> | |
| Apply denoising to the frame being encoded when denoise-noise-level is enabled (0: false, 1: true (default)) | |
| --max-reference-frames=<arg> | |
| Maximum number of reference frames allowed per frame (3 to 7 (default)) | |
| --reduced-reference-set=<arg> | |
| Use reduced set of single and compound references (0: off (default), 1: on) | |
| --enable-ref-frame-mvs=<arg> | |
| Enable temporal mv prediction (default is 1) | |
| --target-seq-level-idx=<arg> | |
| Target sequence level index. Possible values are in the form of "ABxy". AB: Operating point (OP) index, xy: Target level index for the OP. E.g. "0" means target level index 0 (2.0) for the 0th OP, "1019" means target level index 19 (6.3) for the 10th OP. | |
| --set-tier-mask=<arg> Set bit mask to specify which tier each of the 32 possible operating points conforms to. Bit value 0 (default): Main Tier, 1: High Tier. | |
| --min-cr=<arg> Set minimum compression ratio. Take integer values. Default is 0. If non-zero, encoder will try to keep the compression ratio of each frame to be higher than the given value divided by 100. | |
| --vbr-corpus-complexity-lap=<arg> | |
| Set average corpus complexity per mb for single pass VBR using lap. (0..10000), default is 0 | |
| --input-chroma-subsampling-x=<arg> | |
| Chroma subsampling x value | |
| --input-chroma-subsampling-y=<arg> | |
| Chroma subsampling y value | |
| --dv-cost-upd-freq=<arg> Update freq for dv costs. 0: SB, 1: SB Row per Tile, 2: Tile, 3: Off | |
| --partition-info-path=<arg> Partition information read and write path | |
| --enable-directional-intra=<arg> | |
| Enable directional intra prediction modes (0: false, 1: true (default)) | |
| --enable-tx-size-search=<arg> | |
| Enable transform size search to find the best size for each block. If false, transforms always have the largest possible size (0: false, 1: true (default)). Ignored in non rd pick mode in real-time coding. | |
| --loopfilter-control=<arg> Control loop filtering (0: Loopfilter disabled for all frames, 1: Enable loopfilter for all frames (default), 2: Disable loopfilter for non-reference frames, 3: Disable loopfilter for frames with low motion) | |
| --auto-intra-tools-off=<arg> | |
| Automatically turn off several intra coding tools for allintra mode; only in effect if --deltaq-mode=3 | |
| --enable-rate-guide-deltaq=<arg> | |
| Enable rate guide deltaq (1), by default off (0). It requires --deltaq-mode=3. If turned on, it requires an input file specified by --rate-distribution-info. | |
| --rate-distribution-info=<arg> | |
| Rate distribution information input.It requires --enable-rate-guide-deltaq=1. | |
| -p <arg>, --passes=<arg> Number of passes (1/2/3) | |
| --two-pass-output=<arg> The output file for the first two passes for three-pass encoding | |
| -spf <arg>, --second-pass-log=<arg> Log file from second pass | |
| --fwd-kf-dist=<arg> Set distance between forward keyframes. A value of -1 (default) means no repetitive forward keyframes. | |
| --strict-level-conformance=<arg> | |
| When set to 1, exit the encoder when it fails to encode to a given target level | |
| --sb-qp-sweep=<arg> When set to 1, enable the superblock level qp sweep for a given lambda to minimize the rdcost. | |
| --dist-metric=<arg> Distortion metric to use for in-block optimization | |
| psnr, qm-psnr | |
| --kf-max-pyr-height=<arg> Maximum height of pyramid structure used for the GOP starting with a key frame (-1 to 5). When set to -1 (default), it does not have any effect. The actual maximum pyramid height will be the minimum of this value and the value of gf_max_pyr_height. | |
| --auto-tiles=<arg> Enable auto tiles (0: false (default), 1: true) | |
| Stream timebase (--timebase): | |
| The desired precision of timestamps in the output, expressed | |
| in fractional seconds. Default is 1/1000. | |
| Included encoders: | |
| av1 - AOMedia Project AV1 Encoder 3.10.0-111-gfece42acda (default) | |
| Use --codec to switch to a non-default encoder. |
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