Last active
April 8, 2024 11:37
-
-
Save nico-lab/58ac62e359bd63feed36af64db3e4406 to your computer and use it in GitHub Desktop.
ffmpeg -h encoder=hevc_qsv
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Encoder hevc_qsv [HEVC (Intel Quick Sync Video acceleration)]: | |
General capabilities: delay hybrid | |
Threading capabilities: none | |
Supported hardware devices: qsv qsv qsv | |
Supported pixel formats: nv12 p010le p012le yuyv422 y210le qsv bgra x2rgb10le vuyx xv30le | |
hevc_qsv encoder AVOptions: | |
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4) | |
-preset <int> E..V....... (from 0 to 7) (default 0) | |
veryfast 7 E..V....... | |
faster 6 E..V....... | |
fast 5 E..V....... | |
medium 4 E..V....... | |
slow 3 E..V....... | |
slower 2 E..V....... | |
veryslow 1 E..V....... | |
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false) | |
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto) | |
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1) | |
-max_frame_size <int> E..V....... Maximum encoded frame size in bytes (from -1 to INT_MAX) (default -1) | |
-max_frame_size_i <int> E..V....... Maximum encoded I frame size in bytes (from -1 to INT_MAX) (default -1) | |
-max_frame_size_p <int> E..V....... Maximum encoded P frame size in bytes (from -1 to INT_MAX) (default -1) | |
-max_slice_size <int> E..V....... Maximum encoded slice size in bytes (from -1 to INT_MAX) (default -1) | |
-mbbrc <int> E..V....... MB level bitrate control (from -1 to 1) (default -1) | |
-extbrc <int> E..V....... Extended bitrate control (from -1 to 1) (default -1) | |
-p_strategy <int> E..V....... Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). (from 0 to 2) (default 0) | |
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1) | |
-dblk_idc <int> E..V....... This option disable deblocking. It has value in range 0~2. (from 0 to 2) (default 0) | |
-low_delay_brc <boolean> E..V....... Allow to strictly obey avg frame size (default auto) | |
-max_qp_i <int> E..V....... Maximum video quantizer scale for I frame (from -1 to 51) (default -1) | |
-min_qp_i <int> E..V....... Minimum video quantizer scale for I frame (from -1 to 51) (default -1) | |
-max_qp_p <int> E..V....... Maximum video quantizer scale for P frame (from -1 to 51) (default -1) | |
-min_qp_p <int> E..V....... Minimum video quantizer scale for P frame (from -1 to 51) (default -1) | |
-max_qp_b <int> E..V....... Maximum video quantizer scale for B frame (from -1 to 51) (default -1) | |
-min_qp_b <int> E..V....... Minimum video quantizer scale for B frame (from -1 to 51) (default -1) | |
-adaptive_i <int> E..V....... Adaptive I-frame placement (from -1 to 1) (default -1) | |
-adaptive_b <int> E..V....... Adaptive B-frame placement (from -1 to 1) (default -1) | |
-scenario <int> E..V....... A hint to encoder about the scenario for the encoding session (from 0 to 8) (default unknown) | |
unknown 0 E..V....... | |
displayremoting 1 E..V....... | |
videoconference 2 E..V....... | |
archive 3 E..V....... | |
livestreaming 4 E..V....... | |
cameracapture 5 E..V....... | |
videosurveillance 6 E..V....... | |
gamestreaming 7 E..V....... | |
remotegaming 8 E..V....... | |
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 0 to 65535) (default 0) | |
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 0 to 65535) (default 0) | |
-skip_frame <int> E..V....... Allow frame skipping (from 0 to 3) (default no_skip) | |
no_skip 0 E..V....... Frame skipping is disabled | |
insert_dummy 1 E..V....... Encoder inserts into bitstream frame where all macroblocks are encoded as skipped | |
insert_nothing 2 E..V....... Encoder inserts nothing into bitstream | |
brc_only 3 E..V....... skip_frame metadata indicates the number of missed frames before the current frame | |
-dual_gfx <int> E..V....... Prefer processing on both iGfx and dGfx simultaneously (from 0 to 2) (default off) | |
off 0 E..V....... Disable HyperEncode mode | |
on 1 E..V....... Enable HyperEncode mode and return error if incompatible parameters during initialization | |
adaptive 2 E..V....... Enable HyperEncode mode or fallback to single GPU if incompatible parameters during initialization | |
-idr_interval <int> E..V....... Distance (in I-frames) between IDR frames (from -1 to INT_MAX) (default 0) | |
begin_only -1 E..V....... Output an IDR-frame only at the beginning of the stream | |
-load_plugin <int> E..V....... A user plugin to load in an internal session (from 0 to 2) (default hevc_hw) | |
none 0 E..V....... | |
hevc_sw 1 E..V....... | |
hevc_hw 2 E..V....... | |
-load_plugins <string> E..V....... A :-separate list of hexadecimal plugin UIDs to load in an internal session (default "") | |
-look_ahead_depth <int> E..V....... Depth of look ahead in number frames, available when extbrc option is enabled (from 0 to 100) (default 0) | |
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown) | |
unknown 0 E..V....... | |
main 1 E..V....... | |
main10 2 E..V....... | |
mainsp 3 E..V....... | |
rext 4 E..V....... | |
scc 9 E..V....... | |
-tier <int> E..V....... Set the encoding tier (only level >= 4 can support high tier) (from 0 to 256) (default high) | |
main 0 E..V....... | |
high 256 E..V....... | |
-gpb <boolean> E..V....... 1: GPB (generalized P/B frame); 0: regular P frame (default true) | |
-tile_cols <int> E..V....... Number of columns for tiled encoding (from 0 to 65535) (default 0) | |
-tile_rows <int> E..V....... Number of rows for tiled encoding (from 0 to 65535) (default 0) | |
-recovery_point_sei <int> E..V....... Insert recovery point SEI messages (from -1 to 1) (default -1) | |
-aud <boolean> E..V....... Insert the Access Unit Delimiter NAL (default false) | |
-pic_timing_sei <boolean> E..V....... Insert picture timing SEI with pic_struct_syntax element (default true) | |
-transform_skip <int> E..V....... Turn this option ON to enable transformskip (from -1 to 1) (default -1) | |
-int_ref_type <int> E..V....... Intra refresh type. B frames should be set to 0 (from -1 to 65535) (default -1) | |
none 0 E..V....... | |
vertical 1 E..V....... | |
horizontal 2 E..V....... | |
slice 3 E..V....... | |
-int_ref_cycle_size <int> E..V....... Number of frames in the intra refresh cycle (from -1 to 65535) (default -1) | |
-int_ref_qp_delta <int> E..V....... QP difference for the refresh MBs (from -32768 to 32767) (default -32768) | |
-int_ref_cycle_dist <int> E..V....... Distance between the beginnings of the intra-refresh cycles in frames (from -1 to 32767) (default -1) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment