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ffmpeg -h encoder=av1
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| Encoder libaom-av1 [libaom AV1]: | |
| General capabilities: delay threads | |
| Threading capabilities: other | |
| Supported pixel formats: yuv420p yuv422p yuv444p gbrp yuv420p10le yuv422p10le yuv444p10le yuv420p12le yuv422p12le yuv444p12le gbrp10le gbrp12le gray gray10le gray12le | |
| libaom-av1 encoder AVOptions: | |
| -cpu-used <int> E..V....... Quality/Speed ratio modifier (from 0 to 8) (default 1) | |
| -auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 2) (default -1) | |
| -lag-in-frames <int> E..V....... Number of frames to look ahead at for alternate reference frame selection (from -1 to INT_MAX) (default -1) | |
| -arnr-max-frames <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1) | |
| -arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to 6) (default -1) | |
| -aq-mode <int> E..V....... adaptive quantization mode (from -1 to 4) (default -1) | |
| none 0 E..V....... Aq not used | |
| variance 1 E..V....... Variance based Aq | |
| complexity 2 E..V....... Complexity based Aq | |
| cyclic 3 E..V....... Cyclic Refresh Aq | |
| -error-resilience <flags> E..V....... Error resilience configuration (default 0) | |
| default E..V....... Improve resiliency against losses of whole frames | |
| -crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1) | |
| -static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0) | |
| -drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0) | |
| -denoise-noise-level <int> E..V....... Amount of noise to be removed (from -1 to INT_MAX) (default -1) | |
| -denoise-block-size <int> E..V....... Denoise block size (from -1 to INT_MAX) (default -1) | |
| -undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1) | |
| -overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1) | |
| -minsection-pct <int> E..V....... GOP min bitrate (% of target) (from -1 to 100) (default -1) | |
| -maxsection-pct <int> E..V....... GOP max bitrate (% of target) (from -1 to 5000) (default -1) | |
| -frame-parallel <boolean> E..V....... Enable frame parallel decodability features (default auto) | |
| -tiles <image_size> E..V....... Tile columns x rows | |
| -tile-columns <int> E..V....... Log2 of number of tile columns to use (from -1 to 6) (default -1) | |
| -tile-rows <int> E..V....... Log2 of number of tile rows to use (from -1 to 6) (default -1) | |
| -row-mt <boolean> E..V....... Enable row based multi-threading (default auto) | |
| -enable-cdef <boolean> E..V....... Enable CDEF filtering (default auto) | |
| -enable-global-motion <boolean> E..V....... Enable global motion (default auto) | |
| -enable-intrabc <boolean> E..V....... Enable intra block copy prediction mode (default auto) | |
| -enable-restoration <boolean> E..V....... Enable Loop Restoration filtering (default auto) | |
| -usage <int> E..V....... Quality and compression efficiency vs speed trade-off (from 0 to INT_MAX) (default good) | |
| good 0 E..V....... Good quality | |
| realtime 1 E..V....... Realtime encoding | |
| -tune <int> E..V....... The metric that the encoder tunes for. Automatically chosen by the encoder by default (from -1 to 1) (default -1) | |
| psnr 0 E..V....... | |
| ssim 1 E..V....... | |
| -enable-rect-partitions <boolean> E..V....... Enable rectangular partitions (default auto) | |
| -enable-1to4-partitions <boolean> E..V....... Enable 1:4/4:1 partitions (default auto) | |
| -enable-ab-partitions <boolean> E..V....... Enable ab shape partitions (default auto) | |
| -enable-angle-delta <boolean> E..V....... Enable angle delta intra prediction (default auto) | |
| -enable-cfl-intra <boolean> E..V....... Enable chroma predicted from luma intra prediction (default auto) | |
| -enable-filter-intra <boolean> E..V....... Enable filter intra predictor (default auto) | |
| -enable-intra-edge-filter <boolean> E..V....... Enable intra edge filter (default auto) | |
| -enable-smooth-intra <boolean> E..V....... Enable smooth intra prediction mode (default auto) | |
| -enable-paeth-intra <boolean> E..V....... Enable paeth predictor in intra prediction (default auto) | |
| -enable-palette <boolean> E..V....... Enable palette prediction mode (default auto) | |
| -enable-flip-idtx <boolean> E..V....... Enable extended transform type (default auto) | |
| -enable-tx64 <boolean> E..V....... Enable 64-pt transform (default auto) | |
| -reduced-tx-type-set <boolean> E..V....... Use reduced set of transform types (default auto) | |
| -use-intra-dct-only <boolean> E..V....... Use DCT only for INTRA modes (default auto) | |
| -use-inter-dct-only <boolean> E..V....... Use DCT only for INTER modes (default auto) | |
| -use-intra-default-tx-only <boolean> E..V....... Use default-transform only for INTRA modes (default auto) | |
| -enable-ref-frame-mvs <boolean> E..V....... Enable temporal mv prediction (default auto) | |
| -enable-reduced-reference-set <boolean> E..V....... Use reduced set of single and compound references (default auto) | |
| -enable-obmc <boolean> E..V....... Enable obmc (default auto) | |
| -enable-dual-filter <boolean> E..V....... Enable dual filter (default auto) | |
| -enable-diff-wtd-comp <boolean> E..V....... Enable difference-weighted compound (default auto) | |
| -enable-dist-wtd-comp <boolean> E..V....... Enable distance-weighted compound (default auto) | |
| -enable-onesided-comp <boolean> E..V....... Enable one sided compound (default auto) | |
| -enable-interinter-wedge <boolean> E..V....... Enable interinter wedge compound (default auto) | |
| -enable-interintra-wedge <boolean> E..V....... Enable interintra wedge compound (default auto) | |
| -enable-masked-comp <boolean> E..V....... Enable masked compound (default auto) | |
| -enable-interintra-comp <boolean> E..V....... Enable interintra compound (default auto) | |
| -enable-smooth-interintra <boolean> E..V....... Enable smooth interintra mode (default auto) | |
| -aom-params <dictionary> E..V....... Set libaom options using a :-separated list of key=value pairs | |
| Encoder librav1e [librav1e AV1]: | |
| General capabilities: dr1 delay threads | |
| Threading capabilities: other | |
| Supported pixel formats: yuv420p yuvj420p yuv420p10le yuv420p12le yuv422p yuvj422p yuv422p10le yuv422p12le yuv444p yuvj444p yuv444p10le yuv444p12le | |
| librav1e AVOptions: | |
| -qp <int> E..V....... use constant quantizer mode (from -1 to 255) (default -1) | |
| -speed <int> E..V....... what speed preset to use (from -1 to 10) (default -1) | |
| -tiles <int> E..V....... number of tiles encode with (from -1 to I64_MAX) (default 0) | |
| -tile-rows <int> E..V....... number of tiles rows to encode with (from -1 to I64_MAX) (default 0) | |
| -tile-columns <int> E..V....... number of tiles columns to encode with (from -1 to I64_MAX) (default 0) | |
| -rav1e-params <dictionary> E..V....... set the rav1e configuration using a :-separated list of key=value parameters | |
| Encoder libsvtav1 [SVT-AV1(Scalable Video Technology for AV1) encoder]: | |
| General capabilities: delay threads | |
| Threading capabilities: other | |
| Supported pixel formats: yuv420p yuv420p10le | |
| libsvtav1 AVOptions: | |
| -hielevel <int> E..V....... Hierarchical prediction levels setting (from 3 to 4) (default 4level) | |
| 3level 3 E..V....... | |
| 4level 4 E..V....... | |
| -la_depth <int> E..V....... Look ahead distance [0, 120] (from -1 to 120) (default -1) | |
| -preset <int> E..V....... Encoding preset [0, 8] (from 0 to 8) (default 8) | |
| -tier <int> E..V....... Set operating point tier (from 0 to 1) (default main) | |
| main 0 E..V....... | |
| high 1 E..V....... | |
| -rc <int> E..V....... Bit rate control mode (from 0 to 3) (default cqp) | |
| cqp 0 E..V....... Constant quantizer | |
| vbr 1 E..V....... Variable Bit Rate, use a target bitrate for the entire stream | |
| cvbr 2 E..V....... Constrained Variable Bit Rate, use a target bitrate for each GOP | |
| -qp <int> E..V....... Quantizer to use with cqp rate control mode (from 0 to 63) (default 50) | |
| -sc_detection <boolean> E..V....... Scene change detection (default false) | |
| -tile_columns <int> E..V....... Log2 of number of tile columns to use (from 0 to 4) (default 0) | |
| -tile_rows <int> E..V....... Log2 of number of tile rows to use (from 0 to 6) (default 0) |
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