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C-Model command line parameters can be found from C-Model Command Line API Manual.
## Encoder Input Frames Options
### Source Raw Information
#### Encoder Input/Output Frames Options
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| -i[s] | --input | Read input video sequence from file. [input.yuv] |
| -o[s] | --output | Write output HEVC/H.264 stream to file. [stream.hevc] |
| -a[n] | --firstPic | The first picture to encode in the input file. [0] |
| -b[n] | --lastPic | The last picture to encode in the input file. [100] |
| | --outReconFrame | 0..1 Reconstructed frame output mode. [1] |
| | | 0 - Do not output reconstructed frames. |
| | | 1 - Output reconstructed frames. |
| -j[n] | --inputRateNumer | 1..1048575 Input picture rate numerator. [30] |
| -J[n] | --inputRateDenom | 1..1048575 Input picture rate denominator. [1] |
| -f[n] | --outputRateNumer | 1..1048575 Output picture rate numerator. [same as input] |
| -F[n] | --outputRateDenom | 1..1048575 Output picture rate denominator. [same as input] |
| | | Encoded stream frame rate will be: |
| | | outputRateNumer/outputRateDenom fps |
| | --writeReconToDDR | 0..1 enable write recon to DDR [1] |
| | | enable/disable write recon to DDR in I-frame only encoding. |
| | | 0: disable recon write to DDR. |
| | | 1: enable recon write to DDR. |
#### Input and Encoded Frame Resolutions and Cropping Options
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| -w[n] | --lumWidthSrc | Width of source image in pixels. [176] |
| -h[n] | --lumHeightSrc | Height of source image in pixels. [144] |
| -x[n] | --width | Width of encoded output image in pixels. [--lumWidthSrc] |
| -y[n] | --height | Height of encoded output image in pixels. [--lumHeightSrc] |
| -X[n] | --horOffsetSrc | Output image horizontal cropping offset, must be even. [0] |
| -Y[n] | --verOffsetSrc | Output image vertical cropping offset, must be even. [0] |
| | --inputFileList | User-specified input file list to test resolution change, |
| | | options in the file can include: |
| | | input file path(-i), |
| | | first picture(-a), |
| | | last picture(-b), |
| | | width(-w), |
| | | height(-h). |
| | | Note: when inputFileList is specified, the input file paths in |
| | | command line be ignored. and the width and height will be |
| | | used as the largest width and height in initialization cfg. |
| | | the input options will be read from the list file directly. |
#### Parameters for DEC400 Compressed Table(Tile Status)
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --dec400TableInput | Read input DEC400 compressed table from file. |
| | | default is "dec400CompTableinput.bin" |
### Pre-processing Options
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| -l[n] | --inputFormat | Input YUV format. [0] |
| | | 0 - YUV420 planar CbCr (IYUV/I420) |
| | | 1 - YUV420 semiplanar CbCr (NV12) |
| | | 2 - YUV420 semiplanar CrCb (NV21) |
| | | 3 - YUYV422 interleaved (YUYV/YUY2) |
| | | 4 - UYVY422 interleaved (UYVY/Y422) |
| | | 5 - RGB565 16bpp |
| | | 6 - BGR565 16bpp |
| | | 7 - RGB555 16bpp |
| | | 8 - BGR555 16bpp |
| | | 9 - RGB444 16bpp |
| | | 10 - BGR444 16bpp |
| | | 11 - RGB888 32bpp |
| | | 12 - BGR888 32bpp |
| | | 13 - RGB101010 32bpp |
| | | 14 - BGR101010 32bpp |
| | | 15 - I010, YUV420 10 bit (1 pixel in 2 bytes) planar CbCr |
| | | 16 - P010, YUV420 10 bit (1 pixel in 2 bytes) semiplanar CbCr|
| | | 17 - Packed YUV420 10 bit (4 pixels in 5 bytes) planar |
| | | (Verisilicon defined) |
| | | 18 - Y0L2, YUV420 10 bit YCbCr interleaved |
| | | (4 pixels in 8 bytes) |
| | | 19 - YUV420 customer private tile for HEVC |
| | | 20 - YUV420 customer private tile for H.264 |
| | | 21 - YUV420 semiplanar CbCr customer private tile |
| | | 22 - YUV420 semiplanar CrCb customer private tile |
| | | 23 - YUV420 P010 10 bit CbCr customer private tile |
| | | 24 - YUV420 semiplanar CbCr 101010 |
| | | 26 - YUV420 CrCb 8 bit tile 64x4 |
| | | 27 - YUV420 CbCr 8 bit tile 64x4 |
| | | 28 - YUV420 CbCr 10 bit tile 32x4 |
| | | 29 - YUV420 CbCr 10 bit tile 48x4 |
| | | 30 - YUV420 CrCb 10 bit tile 48x4 |
| | | 31 - YUV420 CrCb 8 bit tile 128x2 |
| | | 32 - YUV420 CbCr 8 bit tile 128x2 |
| | | 33 - YUV420 CbCr 10 bit tile 96x2 |
| | | 34 - YUV420 CrCb 10 bit tile 96x2 |
| | | 35 - YUV420 semiplanar CbCr 8 bit tile 8x8 |
| | | 36 - YUV420 semiplanar CbCr 10 bit tile 8x8 |
| | | 37 - YVU420 CrCb 8 bit planar |
| | | 38 - YUV420 semiplannar CbCr 8 bit tile 64x2 |
| | | 39 - YUV420 semiplannar CbCr 10 bit tile 128x2 |
| | | 40 - RGB888 24bpp (MSB)BGR(LSB) |
| | | 41 - BGR888 24bpp (MSB)RGB(LSB) |
| | | 42 - RBG888 24bpp (MSB)GBR(LSB) |
| | | 43 - GBR888 24bpp (MSB)RBG(LSB) |
| | | 44 - BRG888 24bpp (MSB)GRB(LSB) |
| | | 45 - GRB888 24bpp (MSB)BRG(LSB) |
| -O[n] | --colorConversion | RGB to YCbCr color conversion type. [0] |
| | | 0 - ITU-R BT.601, RGB limited [16..235] (BT601_l.mat) |
| | | 1 - ITU-R BT.709, RGB limited [16..235] (BT709_l.mat) |
| | | 2 - User defined, coefficients defined in test bench. |
| | | 3 - ITU-R BT.2020 |
| | | 4 - ITU-R BT.601, RGB full [0..255] (BT601_f.mat) |
| | | 5 - ITU-R BT.601, RGB limited [0..219] (BT601_219.mat) |
| | | 6 - ITU-R BT.709, RGB full [0..255] (BT709_f.mat) |
| | --mirror | Mirror input image. [0] |
| | | 0 - disabled |
| | | 1 - mirror |
| -r[n] | --rotation | Rotate input image. [0] |
| | | 0 - disabled |
| | | 1 - 90 degrees right |
| | | 2 - 90 degrees left |
| | | 3 - 180 degrees right |
| -Z[n] | --videoStab | Enable video stabilization or scene change detection. [0] |
| | | Stabilization works by adjusting cropping offset for every |
| | | frame; Scene change detection works by filling the |
| | | nextSceneChanged field in output structure according to the |
| | | detection result. When this option is enable, it works as |
| | | stabilization and scene dection when input resolution is |
| | | larger than encoded resolution; and it works as scene dection|
| | | mode only when the input resolution is the same as the |
| | | encoded resolution. In stablization mode, the crop offset |
| | | setting will be ignored. The algorithem will select proper |
| | | offset to keep the scene stable. |
| | --scaledWidth | 0..width, width of encoder down-scaled image, [0] |
| | | 0 - Downscaling is disabled |
| | | The Down-scaled sequence is written in file scaled.yuv |
| | --scaledHeight | 0..height, height of encoder down-scaled image, [0] |
| | | 0 - disable written in scaled.yuv |
| | --scaledOutputFormat | 0..1 scaler output frame format. [0] |
| | | 0 - YUV422, 1 - YUV420 semiplanar CbCr (NV12) |
| | --interlacedFrame | 0..1 Flag to indicate if input picture is interlace. [0] |
| | | 0 - Input progressive field |
| | | 1 - Input frame with fields interlaced [0] |
| | --fieldOrder | Interlaced field order, 0=bottom first, 1=top first [0] |
| | --codedChromaIdc | Coded chroma format idc in encoded stream.[1] |
| | | 0 - 4:0:0 monochroma, only valid for HEVC/H.264. |
| | | 1 - 4:2:0 |
### Convert Input to Customized Format Options
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --formatCustomizedType | Convert input to customized specific format, set customized |
| | | input format ID. The converted format will be used as final |
| | | encoder input. It is used when the private format YUV sequence |
| | | is not available. It is not supported when multi-tile. |
| | | Valid Range: -1..13 |
| | | -1 - Disable format conversion (default) |
| | | 0..13 - The cusotomer private format ID. |
## Encoder Stream Coding Tools
### Output Stream Formats
#### Output Stream and Encoding Tools Options
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| -P[n] | --profile | HEVC encoder supported profiles: |
| | | 0 - Main profile (default) |
| | | 1 - Main Still Picture profile |
| | | 2 - Main 10 profile |
| | | 3 - MAINREXT profile |
| | | H.264 encoder supported profiles: |
| | | 9 - Baseline profile |
| | | 10 - Main profile |
| | | 11 - High profile (default) |
| | | 12 - High 10 profile |
| | | AV1 encoder supported profiles: |
| | | 0 - Main profile (default) |
| -L[n] | --level | 0xFFFF indicates the auto level, sw will generate the level |
| | | HEVC level. (180 = level 6.0*30) [180] |
| | | Up to level 5.1 High tier is supported in real-time. |
| | | For levels 5.0 and 5.1, resolutions up to 4096x2048 are |
| | | supported with 4K@60fps performance. For levels greater than |
| | | level 5.1, support in non-realtime mode. |
| | | Each level has resolution and bitrate limitations: |
| | | n HEVC Resolution Main Tier High Tier |
| | | . level Name Max Bitrate Max Bitrate |
| | | 30 1.0 QCIF 128 kbps - |
| | | 60 2.0 CIF 1.5 Mbps - |
| | | 63 2.1 Q720p 3.0 Mbps - |
| | | 90 3.0 QHD 6.0 Mbps - |
| | | 93 3.1 720p HD 10.0 Mbps - |
| | | 120 4.0 2Kx1080 12.0 Mbps 30 Mbps |
| | | 123 4.1 2Kx1080 20.0 Mbps 50 Mbps |
| | | 150 5.0 4096x2160 25.0 Mbps 100 Mbps |
| | | 153 5.1 4096x2160 40.0 Mbps 160 Mbps |
| | | 156 5.2 4096x2160 60.0 Mbps 240 Mbps |
| | | 180 6.0 8192x4320 60.0 Mbps 240 Mbps |
| | | 183 6.1 8192x4320 120.0 Mbps 480 Mbps |
| | | 186 6.2 8192x4320 240.0 Mbps 800 Mbps |
| | | H.264 level. (51 = Level 5.1) [51] |
| | | 10 - H264_LEVEL_1 |
| | | 99 - H264_LEVEL_1_b |
| | | 11 - H264_LEVEL_1_1 |
| | | 12 - H264_LEVEL_1_2 |
| | | 13 - H264_LEVEL_1_3 |
| | | 20 - H264_LEVEL_2 |
| | | 21 - H264_LEVEL_2_1 |
| | | 22 - H264_LEVEL_2_2 |
| | | 30 - H264_LEVEL_3 |
| | | 31 - H264_LEVEL_3_1 |
| | | 32 - H264_LEVEL_3_2 |
| | | 40 - H264_LEVEL_4 |
| | | 41 - H264_LEVEL_4_1 |
| | | 42 - H264_LEVEL_4_2 |
| | | 50 - H264_LEVEL_5 |
| | | 51 - H264_LEVEL_5_1 |
| | | 52 - H264_LEVEL_5_2 |
| | | 60 - H264_LEVEL_6 |
| | | 61 - H264_LEVEL_6_1 |
| | | 62 - H264_LEVEL_6_2 |
| | | AV1 level. (13 = Level 5.1) [13] |
| | | 0 - AV1_LEVEL_2.0 |
| | | 1 - AV1_LEVEL_2.1 |
| | | 2 - AV1_LEVEL_2.2 |
| | | 3 - AV1_LEVEL_2.3 |
| | | 4 - AV1_LEVEL_3.0 |
| | | 5 - AV1_LEVEL_3.1 |
| | | 6 - AV1_LEVEL_3.2 |
| | | 7 - AV1_LEVEL_3.3 |
| | | 8 - AV1_LEVEL_4.0 |
| | | 9 - AV1_LEVEL_4.1 |
| | | 10 - AV1_LEVEL_4.2 |
| | | 11 - AV1_LEVEL_4.3 |
| | | 12 - AV1_LEVEL_5.0 |
| | | 13 - AV1_LEVEL_5.1 |
| | --tier | HEVC/AV1 encoder tier [0] |
| | | 0 - Main tier |
| | | 1 - High tier |
| | --bitDepthLuma | Bit depth of luma samples in encoded stream [8] |
| | | 8=8 bit, 10=10 bit |
| | --bitDepthChroma | bit depth of chroma samples in encoded stream [8] |
| | | 8=8 bit, 10=10 bit (Must be same as bitDepthLuma now.) |
| -N[n] | --byteStream | Stream type. [1] |
| | | 0 - NAL units. NAL sizes are returned in file <nal_sizes.txt>|
| | | 1 - byte stream according to HEVC Standard Annex B. |
| | | NOTE : for AV1, only support byte stream type. |
| | --ivf | IVF encapsulation, for AV1 only. [1] |
| | | 0 - OBU raw output |
| | | 1 - IVF output (default) |
| -k[n] | --videoRange | 0..1 Video signal sample range in encoded stream. [0] |
| | | 0 - Y range in [16..235]; Cb, Cr in [16..240] |
| | | 1 - Y, Cb, Cr range in [0..255] |
| | --streamBufChain | Enable two output stream buffers. [0] |
| | | 0 - Single output stream buffer. |
| | | 1 - Two output stream buffers chained together. |
| | | Note: the minimum allowable size of the first stream buffer |
| | | is 11k bytes. |
| | --sendAUD | 0..1 Enable AUD switch [0] |
| | | 0=Disabled; 1=Enable. |
| -S[n] | --sei | Enable SEI messages (buffering period + picture timing) [0] |
| | | Writes Supplemental Enhancement Information messages |
| | | containing information about picture time stamps |
| | | and picture buffering into stream. |
| -z[s] | --userData | SEI User data file name. File is read and inserted as an SEI |
| | | message before the first frame. |
| | --extSEI | External SEI data file name. File is read and inserted as SEI |
| | | messages for each frame. |
| | --t35=a:b | See Annex A and B of ITU-T T.35, two bytes [0:0] |
| | | a: the country code |
| | | b: the area code |
| | --payloadT35File | A file name, contains the t35_payload_bytes with binary byte |
| | --codecFormat | Select Video Codec Format [0] |
| | | 0: HEVC video format encoding |
| | | 1: H.264 video format encoding |
| | | 2: AV1 video format encoding |
| | | or by codec name: |
| | | hevc: HEVC video format encoding |
| | | h264: H.264 video format encoding |
| | | av1: AV1 video format encoding |
| -p[n] | --cabacInitFlag | 0..1 Initialization value for CABAC. [0] |
| | | (obsolete, only support 0 now.) |
| -K[n] | --enableCabac | 0=OFF (CAVLC), 1=ON (CABAC). [1] |
| -e[n] | --sliceSize | [0..height/ctu_size] slice size in number of CTU rows [0] |
| | | 0 to encode each picture in one slice |
| | | [1..height/ctu_size] to encode each slice with N CTU rows |
| | | NOTE : for AV1, not supported. |
| -D[n] | --disableDeblocking | 0..1 Disable deblocking filter [0] |
| | | 0 = Inloop deblocking filter enabled (better quality) |
| | | 1 = Inloop deblocking filter disabled |
| -M[n] | --enableSao | 0..1 Disable or enable SAO/CDEF filter [1] |
| | | HEVC: |
| | | 0 = SAO disabled |
| | | 1 = SAO enabled |
| | | AV1: |
| | | 0 = CDEF disabled |
| | | 1 = CDEF enabled |
| -W[n] | --tc_Offset | -6..6 Controls deblocking filter parameter. [0] |
| | | for H.264, it is alpha_c0_offset, for HEVC, it is tc_offset |
| -E[n] | --beta_Offset | -6..6 Deblocking filter beta_offset (H.264 and HEVC). [0] |
| | --enableDeblockOverride| 0..1 Deblocking override enable flag [0] |
| | | 0 = Disable override |
| | | 1 = Enable override |
| | --deblockOverride | 0..1 Deblocking override flag [0] |
| | | 0 = Do not override filter parameters |
| | | 1 = Override filter parameters |
| | --tile=a:b:c | HEVC Tile setting: [1:1:1] |
| | | Tile is enabled when num_tile_columns * num_tile_rows > 1. |
| | | a: num_tile_columns |
| | | b: num_tile_rows |
| | | c: loop_filter_across_tiles_enabled_flag |
| | --enableScalingList | 0..1 Use average or default scaling list for HEVC. [0] |
| | | 0 = Use average scaling list. |
| | | 1 = Use default scaling list. |
| | --RPSInSliceHeader | 0..1 Encoding RPS in the slice header for HEVC. [0] |
| | | 0 = not encoding RPS in the slice header. |
| | | 1 = encoding RPS in the slice header. |
| | --resendParamSet | 0..1 Resend parameter sets(VPS,PPS,SPS) before IDR frames [0] |
| | | 0 = not resend parameter sets |
| | | 1 = resend parameter sets before IDR frames |
| | --POCConfig=a:b:c | POC type/number of bits settings. |
| | | a: picOrderCntType. [0] |
| | | b: log2MaxPicOrderCntLsb.[16] |
| | | c: log2MaxFrameNum.[12] |
| | --psyFactor | 0..4.0 Strength of psycho-visual encoding. <float> [0] |
| | | 0 = disable psy-rd. |
| | --layerInRefIdc | 0..1 Enable/Disable h264 2bit nal_ref_idc [0] |
| | | 0 = nal_ref_idc will be 0 or 1. |
| | | 1 = nal_ref_idc will be 0 or 3. |
| | --enableTMVP | 0..1 Enable/Disable temporal mvp. |
| | | Default: 1 for VP9 or HEVC/AV1 with TMVP supported; else 0. |
| | | 0 = not use temporal mvp in inter prediction |
| | | 1 = use temporal mvp in inter prediction |
#### Parameters Setting Constant Chroma
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --enableConstChroma | 0..1 control to encode chroma as a constant pixel value [0] |
| | | 0 = Disable. |
| | | 1 = Enable. |
| | --constCb | The constant pixel value for Cb. |
| | | 0..255 for 8-bit [128]; 0..1023 for 10-bit [512]. |
| | --constCr | The constant pixel value for Cr. |
| | | 0..255 for 8-bit [128]; 0..1023 for 10-bit [512]. |
### Parameters Affecting GOP Pattern
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --smoothPsnrInGOP | [0,1] disalbe or enable Smooth PSNR for frames in one GOP. [0] |
| | | 0 - disable, 1 - enable |
| | | Only affects when gopSize > 1. |
| | --gopSize | 0..8 GOP Structure Size. [0] |
| | | 0 : select the GOP Structure size adaptively; |
| | | 1..8 : fixed GOP Structure size, will be selected, internal |
| | | pre-defined GOP structure will be selected; |
| | --gopConfig | User-specified GOP configuration file, which defines the GOP |
| | | structure table. |
| | | Short Term Structure: |
| | | FrmN Type POC QPoffset QPfactor TId num_refs refs used_by_cur |
| | | -FrmN: Normal GOP config. The table should contain gopSize |
| | | lines, named Frame1, Frame2, etc. The frames are listed |
| | | in decoding order. |
| | | -Type: Slice type, can be either P or B. |
| | | -POC: Display order of the frame within a GOP, ranging from 1 |
| | | to gopSize. |
| | | -QPoffset: It is added to the QP parameter to set the final QP|
| | | value used for this fram |
| | | -QPfactor: Weight used during rate distortion optimization. |
| | | -TId: temporal layer ID. |
| | | -num_refs: The number of reference pictures kept for this |
| | | frame,including references for current and future |
| | | pictures. |
| | | -refs: A List of num_ref_pics integers, specifying the |
| | | delta_POC of the reference pictures kept, relative to |
| | | the POC of the current frame or LTR's index. |
| | | -used_by_cur: A List of num_ref_pics binaries, specifying |
| | | whether the corresponding reference picture is used by |
| | | current picture. |
| | | Long Term Structure: |
| | | Frame0 Type QPoffset QPfactor TId num_refs refs used_by_cur \ |
| | | LTR Offset Interval |
| | | -Frame0: Special GOP config. The table should contain gopSize |
| | | lines. The frames are listed in decoding order. |
| | | -Type: Slice type. If the value is not reserved, it overrides |
| | | the value in normal config for special frame. [-255] |
| | | -QPoffset: If the value is not reserved, it overrides the |
| | | value in normal config for special frame. [-255] |
| | | -QPfactor: If the value is not reserved,it overrides the |
| | | value in normal config for special frame. [-255] |
| | | -TId: temporal layer ID. If the value is not reserved, it |
| | | overrides the value in normal config for special frame. |
| | | [-255] |
| | | -num_refs: The number of reference pictures kept for this |
| | | frame including references for current and future |
| | | pictures. |
| | | -refs: A List of num_ref_pics integers, specifying the delta |
| | | POC of the reference pictures kept, relative to the POC |
| | | of the current frame or LTR's index. |
| | | -used_by_cur: A List of num_ref_pics binaries, specifying |
| | | whether the corresponding reference picture is used by |
| | | current picture. |
| | | -LTR: 0..VCENC_MAX_LT_REF_FRAMES. long term reference setting,|
| | | 0 : common frame, |
| | | 1..VCENC_MAX_LT_REF_FRAMES : long term reference's index |
| | | -Offset: If LTR == 0, it is (POC_Frame_Use_LTR(0) - POC_LTR). |
| | | Where POC_LTR is LTR's POC, POC_Frame_Use_LTR(0) is the |
| | | first frame after LTR that uses the LTR as reference. |
| | | If LTR != 0, it is the offset of the first LTR frame |
| | | to the first encoded frame. |
| | | -Interval: If LTR == 0, it is the POC delta between two |
| | | consecutive frames that use the same LTR as reference. |
| | | interval=POC_Frame_Use_LTR(n+1) - POC_Frame_Use_LTR(n) |
| | | If LTR != 0, it is the POC delta between two |
| | | consecutive frames that encoded as the same LTR index. |
| | | interval = POC_LTR(n+1) - POC_LTR(n), |
| | | where the POC_LTR is LTR's POC; |
| | | NOTE: If this config file is not specified, default configure |
| | | Parameters will be used. |
| | --gopLowdelay | 0..1 Use default low delay GOP configuration if "--gopConfig" |
| | | is not specified,only valid for gopSize <= 4. [0] |
| | | 0 - Disable gopLowdelay mode |
| | | 1 - Enable gopLowdelay mode |
| -V[n] | --bFrameQpDelta | -1..51, B Frame QP Delta. [-1] |
| | | It defines the QP difference between B Frame QP and target |
| | | QP. If a GOP config file is specified by "--gopConfig", it |
| | | willbe overridden. |
| | | -1 - not take effect, 0-51 - could take effect. |
### Coding Tools for Quality Control
#### Parameters Affecting Coding and Performance
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --preset | 0...4 for HEVC. 0..1 for H264. Trade off performance and |
| | | compression efficiency. Higher value means high quality but |
| | | worse performance. User need explict claim preset when use |
| | | this option |
| | --rdoLevel | 1..3 Programable hardware RDO Level [3] |
| | | Lower value means lower quality but better performance. |
| | | Higher value means higher quality but worse performance. |
| | --enableDynamicRdo | 0..1 Enable dynamic rdo enable flag [0] |
| | | 0 = Disable dynamic rdo |
| | | 1 = Enable dynamic rdo |
| | --dynamicRdoCu16Bias | 0..255 Programable hardware dynamic rdo cu16 bias [3] |
| | --dynamicRdoCu16Factor | 0..255 Programable hardware dynamic rdo cu16 factor [80] |
| | --dynamicRdoCu32Bias | 0..255 Programable hardware dynamic rdo cu32 bias [2] |
| | --dynamicRdoCu32Factor | 0..255 Programable hardware dynamic rdo cu32 factor [32] |
| | --enableRdoQuant | 0..1 Enable/Disable RDO Quantization. |
| | | 0 = Disable (Default if hardware does not support RDOQ). |
| | | 1 = Enable (Default if hardware supports RDOQ). |
### VUI and SEI
#### Parameters Affecting VUI
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --vuiColordescription | Color description in the vui. |
| | [=primary:transfer | primary : 0..9 Index of chromaticity coordinates in Table E.3 |
| | :matrix] | in HEVC spec [9] |
| | | transfer: 0..2 The reference opto-electronic transfer |
| | | characteristic function of the source picture in Table |
| | | E.4 in HEVC spec [0] |
| | | 0 = ITU-R BT.2020, 1 = SMPTE ST 2084, 2 = ARIB STD-B67 |
| | | matrix : 0..9 Index of matrix coefficients used in deriving |
| | | luma and chroma signals from the green, blue, and red or |
| | | Y, Z, and X primaries in Table E.5 in HEVC spec [9] |
| | --vuiVideoFormat | 0..5 video_format in the vui.[5] |
| | | 0 - component |
| | | 1 - PAL |
| | | 2 - NTSC |
| | | 3 - SECAM |
| | | 4 - MAC |
| | | 5 - UNDEF |
| | --vuiVideosignalPresent | 0..1 video signal type Present in the vui.[0] |
| | | 0 - video signal type NOT Present in the vui |
| | | 1 - video signal type Present in the vui |
| | --vuiAspectRatiot | aspect ration in the vui |
| | [=aspectratioWidth | aspectratioWidth : 0...65535 Horizontal size of the sample |
| | :aspectratioHeigh] | aspect ratio (in arbitrary units), 0 for unspecified |
| | | aspectratioHeight : 0...65535 Vertical size of the sample |
| | | aspect ratio (in same units as sampleAspectRatioWidth), 0 for|
| | | unspecified value. |
#### Parameters Affecting HDR10
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --writeOnceHDR10 | 0 - write before each IDR, 1 - only write once in StrmStart [0]|
| | --HDR10_display | Mastering display color volume SEI message |
| | [=dx0:dy0:dx1:dy1: | dx0 : 0...50000 Component 0 normalized x chromaticity |
| | dx2:dy2:wx:wy: | coordinates [0] |
| | max:min] | dy0 : 0...50000 Component 0 normalized y chromaticity |
| | | coordinates [0] |
| | | dx1 : 0...50000 Component 1 normalized x chromaticity |
| | | coordinates [0] |
| | | dy1 : 0...50000 Component 1 normalized y chromaticity |
| | | coordinates [0] |
| | | dx2 : 0...50000 Component 2 normalized x chromaticity |
| | | coordinates [0] |
| | | dy2 : 0...50000 Component 2 normalized y chromaticity |
| | | coordinates [0] |
| | | wx : 0...50000 White point normalized x chromaticity |
| | | coordinates [0] |
| | | wy : 0...50000 White point normalized y chromaticity |
| | | coordinates [0] |
| | | max : Nominal maximum display luminance [0] |
| | | min : Nominal minimum display luminance [0] |
| | --HDR10_lightlevel | Content light level info SEI message |
| | [=maxlevel:avglevel] | maxlevel : max content light level |
| | | avglevel : max picture average light level |
### Parameters Affecting Noise Reduction: (obsolete)
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --noiseReductionEnable | (obsolete) Enable/disable noise reduction (NR). [0] |
| | | 0 = Disable NR. |
| | | 1 = Enable NR. |
| | --noiseLow | (obsolete) 1..30 minimum noise value [10] |
| | --noiseFirstFrameSigma | (obsolete) 1..30 noise estimation for start frames [11] |
### Parameters Affecting Smart Background Detection: (obsolete)
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --smartConfig | (obsolete) Usr configuration file for the Smart Algorithm. |
### Parameters for Disable EndOfSequence
| Short | Long Option | Description |
| ----- | ----------- | ----------------------------------------------------------------------- |
| | --disableEOS | disableEOS=1, EOS bytes not be written before stream closed. [0] |
| | | disableEOS=0, EOS bytes be written normally before stream closed. |
### Parameters Affecting AV1's Verification When Using ffmpeg Framework, NOT Using When Encoding
| Short | Long Option | Description |
| ----- | ------------------------ | -------------------------------------------------------------|
| | --modifiedTileGroupSize | modified space size of OBU_TILE_GROUP which coded by HW. [0] |
| | | 0 = not modified. |
| | | 1 = modified. |
### Parameters Affecting the Process of Endcoding
| Short | Long Option | Description |
| ----- | ----------- | ------------------------------------------------------------------------- |
| | --reEncode | encode frame again, like get output buffer overflow from hw, we can use |
| | | app's callback to reallocate the output buffer, then use same regs with |
| | | different output buffer to encode the current frame again. Currently, for |
| | | non-vcmd, support single-core and multi-core, for vcmd, support single |
| | | core, but for multi-core, just support single stream, that is means the |
| | | multi stream with multi-core don't be support. [0] |
| | | 0 = Disable reEncode. |
| | | 1 = Enable reEncode. |
### Parameters Affecting Motion Estimation and Global Motion
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --gmvFile | File containing ME Search Range Offset for list0. |
| | | Search Offsets of each frame are listed sequentially line by |
| | | line. To set frame-level offset, there should be only one |
| | | coordinate per line for the whole frame. For example: |
| | | (MVX, MVY) |
| | | When SEARCH_RANGE_ROW_OFFSET_TEST is enable, |
| | | To set CTU-row level offsets, there should be multiple |
| | | coordinates per line for all CTU rows. For example: |
| | | (MVX0, MVY0) (MVX1, MVY1) ... |
| | | Some common delimiters are allowed between offsets, such as |
| | | '()' white-space ',' ';'. |
| | --gmv | MVX:MVY. Horizontal and vertical offsets of ME Search Range |
| | | for list0 at frame level. [0:0] |
| | | If both "--gmvFile" and "--gmv" are specified, only gmvFile |
| | | will be applied. |
| | | MVX should be 64-aligned and within the range of [-128, +128]. |
| | | MVY should be 16-aligned and within the range of [-128, +128]. |
| | --gmvList1 | MVX:MVY. ME Search Range Offset for list1 at frame level. [0:0]|
| | --gmvList1File | File containing ME Search Range Offset for list1. |
| | --MEVertRange | ME vertical search range. [0] |
| | | Should be 24,48,64 for H.264; 40,64 for HEVC/AV1. |
| | | 0 - The maximum search range of this version will be used. |
| | | Note: Only valid if the function is supported in this version. |
## Rate Control
### Parameters Setting RC Mode
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --rcMode | Select Rate Control Mode [0]/[cvbr] |
| | | 0: CVBR Mode: Constrained VBR mode, which saves bits when |
| | | slow-motion/simple-scene and uses the saved bits for |
| | | complexity scene to improve the whole quality. |
| | | CVBR mode is default rcMode, if options as '--cpbSize=x', |
| | | '--vbr=1' and '--crf=x' are set, rcMode will be altered to|
| | | other related rcModes instead of CVBR mode. |
| | | If rcMode is set to other rcModes by user, the rcMode has |
| | | higher priority than options above, that is to say rcMode |
| | | remains unchanged and the options above don't work. |
| | | 1: CBR Mode: Constant Bit Rate Mode, which outputs constant |
| | | bitrate to transmission path. In this mode, cpbSize is |
| | | needed and 2x bitrate by default if not set. |
| | | Larger cpbSize is more probably to avoid overflow. |
| | | With option '--hrdConformance=1', it can avoid underflow. |
| | | Smaller cpbSize can make bitrate more stable but add risk |
| | | of overflow. |
| | | 2x bitrate is recommended and it's better not less than 1x|
| | | bitrate. |
| | | 2: VBR Mode: Variable Bit Rate Mode, which is equivalent to |
| | | option '--vbr=1'. It's strongly recommended to set qpMin |
| | | together in this mode. qpMin=10 is a recommended value. |
| | | 3: ABR Mode: Average Bit Rate Mode, which tunes qp by gap |
| | | between actual bitrate and target bitrate (not by scene |
| | | complexity) to make average bitrate reach target bitrate. |
| | | 4: CRF Mode: Constant Rate Factor Mode, which is to keep a |
| | | certain level of quality based on crf value and frame |
| | | rate, working as constant slice QP. |
| | | CRF is working only when look-ahead is turned on and will |
| | | disable VBR mode if both enabled. |
| | | In CRF mode, option '--crf' need be set. |
| | | If option '--crf' is set, CRF mode is set automatically. |
| | | 5: CQP Mode: Constant QP Mode, which uses constant QP for all|
| | | slices (I slice may be modified by intraQpDelta further). |
| | | In CQP mode, option '--picRc' doesn't work. |
| | | or by RC mode name: |
| | | cvbr: CVBR Mode |
| | | cbr : CBR Mode |
| | | vbr : VBR Mode |
| | | abr : ABR Mode |
| | | crf : CRF Mode |
| | | cqp : CQP Mode |
### Rate Control and Output Stream Bitrate
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| -R[n] | --intraPicRate | Intra-picture rate in frames. [0] |
| | | Forces every Nth frame to be encoded as intra frame. |
| | | 0 = Do not force |
| -B[n] | --bitPerSecond | 10000..MaxByLevel, target bitrate for rate control in bps. |
| | | default is 1000000 bps |
| | --tolMovingBitRate | 0..2000, percent tolerance of max moving bitrate. [100] |
| | | Use to limit the instantaneous bitrate. the Max value is, |
| | | max_moving_bitrate = target_bitrate*(100+tolMovingBitRate)% |
| | --monitorFrames | 10..120, frames count monitored for moving bitrate [frame rate]|
| | --bitVarRangeI | (obsolete) 10..10000, percent variations over the average bits |
| | | per frame for I frame [10000] |
| | --bitVarRangeP | 10..10000, percent variations over the average bits per frame |
| | | for P frame [10000] |
| | --bitVarRangeB | 10..10000, percent variations over the average bits per frame |
| | | for B frame [10000] |
| | --staticSceneIbitPercent| 0...100 I frame bits percent of bitrate in static scene [80] |
| | --crf[n] | -1..51 Constant rate factor mode, [-1] -1 means disable. |
| | | CRF mode is to keep a certain level of quality based on crf |
| | | value and frame rate, working as constant slice QP. |
| | | CRF is working only when look-ahead is turned on and will |
| | | disable VBR mode if both enabled. |
| -U[n] | --picRc | [0,1] 0=OFF, 1=ON Picture rate control. [0] |
| | | Calculates a new target QP for every frame. |
| -u[n] | --ctbRc | 0..3 CTB QP adjustment mode for different targets. [0] |
| | | 0 = No CTB QP adjustment. |
| | | 1 = CTB QP adjustment for Subjective Quality only. |
| | | 2 = CTB QP adjustment for Rate Control only. |
| | | (valid only when HwCtbRcVersion >= 1) |
| | | 3 = CTB QP adjustment for both Subjective Quality and Rate |
| | | Control. (valid only when HwCtbRcVersion >= 1) |
| | | 4 = CTB QP adjustment for Subjective Quality only, reversed. |
| | | 6 = CTB QP adjustment for both Subjective Quality reversed |
| | | and Rate Control. (valid only when HwCtbRcVersion >= 1) |
| | --blockRCSize | 0..2 Block size in CTB QP adjustment for Subjective Quality [0]|
| | | 0=64x64 ,1=32x32, 2=16x16 |
| | --rcQpDeltaRange | Max absolute value of CU/MB QP delta relative to frame QP in |
| | | CTB RC [10] |
| | | 0..15 for HwCtbRcVersion <= 1; |
| | | 0..51 for HwCtbRcVersion > 1. |
| | --rcBaseMBComplexity | 0..31 MB complexity base in CTB QP adjustment for Subjective |
| | | Quality [15] |
| | | qpOffset is larger for CU/MB with larger complexity offset |
| | | from rcBaseMBComplexity. |
| | --tolCtbRcInter | Tolerance of CTB Rate Control for INTER frames. <float> [0.0] |
| | | CTB RC will try to limit INTER frame bits within the range |
| | | [targetPicSize/(1+tolCtbRcInter), |
| | | targetPicSize*(1+tolCtbRcInter)]. |
| | | A negative number means no bitrate limit in CTB RC. |
| | --tolCtbRcIntra | Tolerance of CTB Rate Control for INTRA frames. <float> [-1.0] |
| | --ctbRowQpStep | The maximum accumulated QP adjustment step per CTB Row allowed |
| | | by CTB rate control. |
| | | Default value is [4] for H.264 and [16] for HEVC. |
| | | QP_step_per_CTB = MIN((ctbRowQpStep / Ctb_per_Row),4). |
| | --picQpDeltaRange | Min:Max. Qp_Delta range in picture RC. |
| | | Min: -10..-1 Minimum Qp_Delta in picture RC. [-4] |
| | | Max: 1..10 Maximum Qp_Delta in picture RC. [4] |
| | | This range only applies to two neighboring frames of the same|
| | | coding type. This range doesn't apply when HRD overflow |
| | | occurs. |
| | --fillerData | 0..1 Enable/Disable fill Data when HRD off, need to set cpbSize|
| | | when fillerData is 1 [0] |
| | | 0 - OFF, 1 - ON |
| -C[n] | --hrdConformance | 0..1 HRD conformance checking turn on or off. [0] |
| | | 0 - OFF, 1 - ON, just valid when hevc/h264 |
| | | Uses standard defined model to limit bitrate variance. |
| -c[n] | --cpbSize | HRD Coded Picture Buffer size in bits. [0] |
| | | If hrdConformance=1, default value 0 means the max CPB for |
| | | current level. Or default value 0 means RC doesn't consider |
| | | cpb buffer limit. |
| | --cpbMaxRate | Max local bitrate (bit/s). [0] |
| | | If cpbSize is set but cpbMaxRate is not set or smaller than |
| | | bitrate, cpbMaxRate is defaultly set to bitrate. |
| | | If cpbMaxRate == bitrate, it's CBR mode, |
| | | if cpbMaxRate > bitrate, it's VBR mode. |
| -g[n] | --bitrateWindow | 1..300, Bitrate window length in frames [intraPicRate] |
| | | Rate control allocates bits for one window and tries to match|
| | | the target bitrate at the end of each window. |
| | | Typically window begins with an intra frame, but this is not |
| | | mandatory. |
| | --LTR=a:b:c[:d] | a:b:c[:d] long term reference setting |
| | | a: POC_delta of two frames which are used as LTR. |
| | | b: POC_Frame_Use_LTR(0) - POC_LTR. POC_LTR is LTR's POC, |
| | | POC_Frame_Use_LTR(0) is the first frame after LTR that |
| | | uses the LTR as reference. |
| | | c: POC_Frame_Use_LTR(n+1) - POC_Frame_Use_LTR(n). The POC |
| | | delta between two consecutive frames that use the same |
| | | LTR as reference. |
| | | d: QP delta for frame using LTR. [0] |
| | --numRefP | 1..2 number of reference frames for P frame. [1] |
| -s[n] | --picSkip | 0..1 Picture skip rate control. [0] |
| | | 0 - OFF, not allows rate control to skip frames. |
| | | 1 - ON, allows rate control to skip frames if needed. |
| -q[n] | --qpHdr | -1..51, Initial QP used in the beginning of stream. [26] |
| | | -1 - Encoder calculates initial QP when picture rc is enable.|
| | | NOTE: specify as "-q-1" The initial . |
| -n[n] | --qpMin | 0..51, Minimum frame header QP for any slices. [0] |
| -m[n] | --qpMax | 0..51, Maximum frame header QP for any slices. [51] |
| | --qpMinI | 0..51, Minimum frame header QP for I slices. [0] |
| | | Note: will overriding qpMin for I slices. |
| | --qpMaxI | 0..51, Maximum frame header QP for I slices. [51] |
| | | Note: will overriding qpMax for I slices. |
| -A[n] | --intraQpDelta | -51..51, Intra QP delta. [-5] |
| | | QP difference between target QP and intra frame QP. |
| -G[n] | --fixedIntraQp | 0..51, Fixed Intra QP, 0 = disabled. [0] |
| | | Use fixed QP value for every intra frame in stream. |
| -I[n] | --chromaQpOffset | -12..12 Chroma QP offset. [0] |
| | --vbr | 0=OFF, 1=ON. Variable Bitrate control by qpMin. [0] |
| | --sceneChange | Frame1:Frame2:..:Frame20. Specify scene change frames. |
| | | The frame number is separated by ':'. Max number of scene |
| | | change frames is 20. |
| | --gdrDuration | P frame number to refresh as a I frame in GDR. [0] |
| | | 0 : disable GDR (Gradual decoder refresh), |
| | | >0: enable GDR |
| | | Note: The starting point of GDR is the frame with type set to |
| | | VCENC_INTRA_FRAME. intraArea and roi1Area are used to |
| | | implement the GDR function. The GDR begin to work from the |
| | | second IDR frame. |
| | --skipFramePOC | 0..n Force encode whole frame as Skip Frame when POC=n. [0] |
| | | 0 : Disable. |
| | | none zero: set the frame POC to be encoded as Skip Frame. |
| | --insertIDR | 0..n Force encode whole frame as IDR Frame when picture_cnt=n. |
| | | 0 : Disable. |
| | | none zero: set the frame picture_cnt to be encoded as IDR |
| | | Frame. |
### Parameters Affecting lookahead Encoding
| Short | Long Option | Description |
| ----- | ---------------- | ---------------------------------------------------------------------|
| | --lookaheadDepth | 0, 4..40 The number of look-ahead frames. [0] |
| | | 0 - Disable 2-pass encoding. |
| | | 4-40 - Set the number of look-ahead frames and enable 2-pass |
| | | encoding. |
| | --halfDsInput | External provided half-downsampled input YUV file. |
| | --aq_mode | Mode for Adaptive Quantization [0] |
| | | 0:none |
| | | 1:uniform AQ |
| | | 2:auto variance |
| | | 3:auto variance with bias to dark scenes. |
| | --aq_strength | 0..3.0 Strength factor in AQ mode. [1.00] |
| | | can reduces blocking and blurring in flat and textured areas. |
| | --tune | 0..4 Tune video quality for different target. [0] |
| | | [0,psnr] - tune psnr: --aq_mode=0 --psyFactor=0 |
| | | [1,ssim] - tune ssim: --aq_mode=2 --psyFactor=0 |
| | | [2,visual] - tune visual: --aq_mode=2 --psyFactor=0.75 |
| | | [3,sharpness_visual] - tune sharpness visual: --aq_mode=2 |
| | | --psyFactor=0.75 --inLoopDSRatio=0 --enableRdoQuant=0 |
| | | [4,vmaf] = tune vmaf: enable vmaf preprocessing |
| | --inLoopDSRatio | 0..1 in-loop downsample ratio for first pass. [1] |
| | | 0 - no downsample, 1 - 1/2 downsample. |
## ROI
### Parameters Affecting Coding
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --cir | start:interval for Cyclic Intra Refresh. |
| | | Forces CTBs in intra mode. [0:0] |
| | --intraArea | left:top:right:bottom CTB coordinates |
| | | Specifies the rectangular area of CTBs to force encoding in |
| | | intra mode. |
| | --ipcm1Area | left:top:right:bottom CTB coordinates |
| | --ipcm2Area | left:top:right:bottom CTB coordinates |
| | --ipcm3Area | left:top:right:bottom CTB coordinates |
| | --ipcm4Area | left:top:right:bottom CTB coordinates |
| | --ipcm5Area | left:top:right:bottom CTB coordinates |
| | --ipcm6Area | left:top:right:bottom CTB coordinates |
| | --ipcm7Area | left:top:right:bottom CTB coordinates |
| | --ipcm8Area | left:top:right:bottom CTB coordinates |
| | | Specifies the rectangular area of CTBs to force encoding in |
| | | IPCM mode. |
| | --ipcmMapEnable | Enable the IPCM Map. 0-disable, 1-enable. [0] |
| | --ipcmMapFile | User-specified IPCM map file, which defines the IPCM flag for |
| | | each CTB in the frame. The block size is 64x64 for HEVC and |
| | | 16x16 for H.264. |
| | --roi1Area | left:top:right:bottom CTB coordinates |
| | --roi2Area | left:top:right:bottom CTB coordinates |
| | --roi3Area | left:top:right:bottom CTB coordinates |
| | --roi4Area | left:top:right:bottom CTB coordinates |
| | --roi5Area | left:top:right:bottom CTB coordinates |
| | --roi6Area | left:top:right:bottom CTB coordinates |
| | --roi7Area | left:top:right:bottom CTB coordinates |
| | --roi8Area | left:top:right:bottom CTB coordinates |
| | | Specifies the rectangular area of CTBs as Region Of Interest |
| | | with lower QP. the CTBs in the edges are all inclusive. |
| | --roi1DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 1 CTBs. [0] |
| | --roi2DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 2 CTBs. [0] |
| | --roi3DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 3 CTBs. [0] |
| | --roi4DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 4 CTBs. [0] |
| | --roi5DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 5 CTBs. [0] |
| | --roi6DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 6 CTBs. [0] |
| | --roi7DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 7 CTBs. [0] |
| | --roi8DeltaQp | -30..0 (-51..51 if absolute ROI QP supported), QP delta value |
| | | for ROI 8 CTBs. [0] |
| | --roi1Qp | 0..51, absolute QP value for ROI 1 CTBs. [-1]. Negative value |
| | | means invalid. other value is used to calculate the QP in the|
| | | ROI area. |
| | --roi2Qp | 0..51, absolute QP value for ROI 2 CTBs. [-1] |
| | --roi3Qp | 0..51, absolute QP value for ROI 3 CTBs. [-1] |
| | --roi4Qp | 0..51, absolute QP value for ROI 4 CTBs. [-1] |
| | --roi5Qp | 0..51, absolute QP value for ROI 5 CTBs. [-1] |
| | --roi6Qp | 0..51, absolute QP value for ROI 6 CTBs. [-1] |
| | --roi7Qp | 0..51, absolute QP value for ROI 7 CTBs. [-1] |
| | --roi8Qp | 0..51, absolute QP value for ROI 8 CTBs. [-1] |
| | | roi1Qp..roi8Qp are only valid when absolute ROI QP is |
| | | supported. Use either roiDeltaQp or roiQp. |
| | --roiMapDeltaQpEnable | Enable the QP delta for ROI regions in the frame. [0] |
| | | The block size is defined by "--roiMapDeltaQpBlockUnit". and |
| | | the QP values are defined by "--roiMapDeltaQpFile" in text |
| | | format or "-roiMapInfoBinFile" in binary format. The Map size|
| | | should be calculated according to the picture width and |
| | | height after aligned with 64 pixels. |
| | | 0 = disable |
| | | 1 = enable. |
| | --roiMapDeltaQpBlockUnit| Set the DeltaQp block size for ROI DeltaQp map file. [0] |
| | | 0-64x64,1-32x32,2-16x16,3-8x8. |
| | | Note: 8x8 is not supported for H264. |
| | --roiMapDeltaQpFile | User-specified Qp map file in text format, which defines the |
| | | delta QP or absolute QP value for each block in the frame. |
| | | When absolute ROI QP is not supported, |
| | | - The QP delta range is from -30 to 0; |
| | | When absolute ROI QP is supported, |
| | | - The QP delta range is from -51 to 51 if |
| | | - Absolute QP range is from 0 to 51 and specified with a |
| | | prefix 'a', for example, 'a26'. |
| | --roiMapInfoBinFile | User-specified ROI map info binary file, which defines the QP |
| | | delta or absolute ROI QP for each block in the frame. |
| | | The block size is defined by "--roiMapDeltaQpBlockUnit", one |
| | | byte per block. The byte bitmap of QpDelta/Skip/IPCM/Rdoq is |
| | | related to "--RoiQpDeltaVer". |
| | | when RoiQpDeltaVer = 1/2/3, both Delta Qp and absolute Qp |
| | | supported. For delta QP, the range is from -51 to 51. For |
| | | absolute QP, the range is from 0 to 51. |
| | | RoiQpDeltaVer = 4, only deltaQp supported: |
| | | - QP delta range is from -32 to 31. |
| | --RoiQpDeltaVer | 1..4, ROI Map format number. |
| | | Determine the format used in roiMapInfoBinFile. see |
| | | "Hantro.VC9000E.Memory.Buffer.and.Format.Organization" for |
| | | the detail format description for different formats. |
| | --RoimapCuCtrlInfoBinFile | User-specified ROI map CU control info binary file, which |
| | | defines the ROI CU control info for each CU in the frame. When |
| | | ROI Map is defined and enableat the same time, the QP part will|
| | | be ignored for ROI Map has higherpriority. |
| | | - The CU control info size is related to "--RoiCuCtrlVer". |
| | | - The number of controlled blocks is aligned to 64 of picture |
| | | width and height in 8x8 unit. |
| | --RoiCuCtrlVer | 3..7, ROI map CU control format number. |
| | | Determine the format used in RoimapCuCtrlInfoBinFile. see |
| | | "Hantro.VC9000E.Memory.Buffer.and.Format.Organization" for |
| | | the detail format description for different formats. |
### Parameters Setting Skip Map
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --skipMapEnable | 0..1 Enable Skip Map Mode. 0-Disable, 1-Enable. [0] |
| | | when fuse sw_enc_HWRoiMapVersion is set to 2: |
| | | when HW_ID_MAJOR >= 0x82 or (HW_ID_MAJOR == 0x60 && |
| | | HW_ID_MINOR>=0x010), Need to specify "--RoiQpDeltaVer" as |
| | | 2 to enable. |
| | | otherwise NOT need to specify "--RoiQpDeltaVer". |
| | | when fuse sw_enc_HWRoiMapVersion is set to 3, Need to specify|
| | | "RoiQpDeltaVer" as 2 to enable. |
| | --skipMapBlockUnit | Block size in Skip Map Mode. [0] |
| | | 0-64x64, 1-32x32, 2-16x16. |
| | | Note: Only 64x64 and 32x32 are valid for HEVC. |
| | --skipMapFile | User-specified Skip Map File, which defines if each block is |
| | | forcely encoded as the Skip mode or not. 1 indicates the block|
| | | will be encoded as skip mode forcely. and 0 indicates not. To |
| | | calculate block width and height, picture width and height |
| | | after alignment to 64 pixels should be used. |
### Parameters Setting Rdoq Map
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --rdoqMapEnable | 0..1 Enable Rdoq Map Mode. 0-Disable, 1-Enable. [0] |
## Coding Status
### Parameters Affecting Reporting
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --enableOutputCuInfo | 0..2 Enable/Disable writting CU encoding information out [0] |
| | | 0 = Disable. |
| | | 1 = Enable. |
| | | 2 = Enable and also write information in file <cuInfo.txt>. |
| | --cuInfoVersion | 0..2 Defines cuInfo format. Only affect pass 2 if lookahead is |
| | | used. [-1] |
| | | -1 = format auto decided by VC9000E and HW support. |
| | | 0 - format 0; Only available with HW cuInfo Version 0 |
| | | 1 - format 1; Available with HW cuInfo Version 1 or 2 |
| | | 2 - format 2; Only available with HW cuInfo Version 2 |
| | | For lookahead pass 1, format 2 will output as IM input; |
| | | Software cutree only support cuInfo format 1. |
| | --enableOutputCtbBits | 0..2 Enable/Disable writting CTB encoded bits to DDR [0] |
| | | 0- Disable. |
| | | 1- Enable. 2 bytes per CTB. Raster Scan CTBs |
| | | 2- Enable and also write information in file <ctbBits.txt>. |
| | --hashtype | hash type for frame data hash. [0] |
| | | 0=disable, 1=crc32, 2=checksum32. |
| | --ssim | 0..1 Enable/Disable SSIM calculation [1] |
| | | 0 - Disable. |
| | | 1 - Enable. |
| | --psnr | 0..1 Enable/Disable PSNR calculation [1] |
| | | 0 = Disable. |
| | | 1 = Enable. |
| | --enableVuiTimingInfo | Write VUI timing info in SPS. [1] |
| | | 0=disable. |
| | | 1=enable. |
## Peripherals & Hardware Setup
### Parameters Affecting Reference Frame Compressor
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --compressor | 0..3 Enable/Disable Embedded Compression [0] |
| | | 0 = Disable compression |
| | | 1 = Only enable luma compression |
| | | 2 = Only enable chroma compression |
| | | 3 = Enable both luma and chroma compression |
| | --enableP010Ref | 0..1 Enable/Disable P010 reference format [0] |
| | | 0 = Disable. |
| | | 1 = Enable. |
### OSD & Mosaic
#### Parameters for OSD Overlay Controls
Supporting max 12 OSD regions (i=01,02..12). Any two OSD regions should not share same CTB.
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --overlayEnables | 8 bits indicate enable for 8 overlay region. [0] |
| | | 1: region 1 enabled |
| | | 2: region 2 enabled |
| | | 3: region 1 and 2 enabled |
| | | and so on. |
| | --olInputi | input file for overlay region 1-8. [olInputi.yuv] |
| | | for example --olInput1 |
| | --olFormati | 0..2 Specify the overlay input format. [0] |
| | | 0: ARGB8888 |
| | | 1: NV12 |
| | | 2: Bitmap |
| | --olAlphai | 0..255 Specify the global alpha value for NV12 and Bitmap |
| | | overlay format. [0] |
| | --olWidthi | Width of overlay region. Must be set if region enabled. [0] |
| | | Must be under 8 aligned for bitmap format. |
| | --olHeighti | Height of overlay region. Must be set if region enabled. [0] |
| | --olXoffseti | Horizontal offset of overlay region top left pixel. [0] |
| | | must be under 2 aligned condition. [0] |
| | --olYoffseti | Vertical offset of overlay region top left pixel. [0] |
| | | must be under 2 aligned condition. [0] |
| | --olYStridei | Luma stride in bytes. Default value is based on format. |
| | | [olWidthi * 4] if ARGB8888. |
| | | [olWidthi] if NV12. |
| | | [olWidthi / 8] if Bitmap. |
| | --olUVStridei | Chroma stride in bytes. Default value is based on luma stride. |
| | --olCropXoffseti | OSD cropping top left horizontal offset. [0] |
| | | must be under 2 aligned condition. |
| | | for bitmap format, must be under 8 aligned condition. |
| | --olCropYoffseti | OSD cropping top left vertical offset. [0] |
| | | must be under 2 aligned condition. |
| | | must be under 8 aligned condition for bitmap format. |
| | --olCropWidthi | OSD cropping width. [olWidthi] |
| | | for bitmap format, must be under 8 aligned condition. |
| | --olCropHeighti | OSD cropping height. [olHeighti] |
| | --olBitmapYi | OSD bitmap format Y value. [0] |
| | --olBitmapUi | OSD bitmap format U value. [0] |
| | --olBitmapVi | OSD bitmap format V value. [0] |
#### Parameters for Mosaic Area Controls
Supporting max 12 Mosaic regions (i=01,02..12). Any region should aligned to CTB.
Mosaic and OSD region should not be both turned on at the same time. Mosaic has higher priority.
For example,
* OSD region 1 should not be turned on when Mosaic region 01 is on.
* OSD region 1 can be turned on when other Mosaic region(02-12) is on.
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --mosaicEnables | 12 bits indicate enable for 12 mosaic region. [0] |
| | | 1: region 1 enabled |
| | | 2: region 2 enabled |
| | | 3: region 1 and 2 enabled |
| | | and so on. |
| | --mosAreai | Mosaic region i parameters |
| | | left:top:right:bottom pixel coordinates |
| | | All coordinates must be under CTB/MB aligned. |
### Parameters Affecting Low Latency Input
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --inputLineBufferMode |0..4 Input buffer mode control. [0] |
| | |0 = Disable input line buffer. |
| | |1 = Enable. SW handshaking. Loop-back enabled. |
| | |2 = Enable. HW handshaking. Loop-back enabled. |
| | |3 = Enable. SW handshaking. Loop-back disabled. |
| | |4 = Enable. HW handshaking. Loop-back disabled. |
| | --inputLineBufferDepth |0..511. The number of CTB/MB rows to control loop-back |
| | | and handshaking. [1] |
| | | When loop-back mode is enabled, there are two continuous |
| | | ping-pong input buffers; each contains inputLineBufferDepth |
| | | CTB or MB rows. |
| | | When HW handshaking is enabled, handshaking signal is processed|
| | | per inputLineBufferDepth CTB/MB rows. |
| | | When SW handshaking is enabled, IRQ is issued and Read Count |
| | | Register is updated every time inputLineBufferDepth CTB/MB |
| | | rows have been read. |
| | | 0 is only allowed with inputLineBufferMode=3, IRQ won't be sent|
| | | and Read Count Register won't be updated. |
| | --inputLineBuffer | 0..1023. Handshake sync amount for every loop-back. [0] |
| | AmountPerLoopback | 0 - Disable input line buffer. |
| | | 1~1023 - The number of slices per loop-back |
### Input Frame and Reference Frame Buffer Alignment Options
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --inputAlignmentExp | 0, 4..12 Alignment value of input frame buffer. [4] |
| | | 0 = Disable alignment |
| | | 4..12 = Base address of input frame buffer and each line are |
| | | aligned to 2^inputAlignmentExp. |
| | --refAlignmentExp | 0, 4..12 Reference frame buffer alignment [0] |
| | | 0 = Disable alignment |
| | | 4..12 = Base address of reference frame buffer and each line |
| | | are aligned to 2^refAlignmentExp. |
| | --refChromaAlignmentExp| 0, 4..12 Reference frame buffer alignment for chroma [0] |
| | | 0 = Disable alignment |
| | | 4..12 = Base address of chroma reference frame buffer and each|
| | | line are aligned to 2^refChromaAlignmentExp. |
| | --aqInfoAlignmentExp | 0, 4..12 AQ information output buffer alignment [0] |
| | | 0 = Disable alignment |
| | | 4..12 = Base address of AQ information output buffer and each |
| | | line are aligned to 2^aqInfoAlignmentExp |
| | --tileStreamAlignmentExp| 0..15 tile stream alignment [0] |
| | | 0..15 = Base address and size of tile stream are aligned to |
| | | 2^tileTrailAlignmentExp. |
### Parameters Affecting Stream Multi-segment Output
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| |--streamMultiSegmentMode| 0..2 Stream multi-segment mode control. [0] |
| | | 0 = Disable stream multi-segment mode. |
| | | 1 = Enable stream multi-segment mode. No SW handshaking. |
| | | Loop-back is enabled. |
| | | 2 = Enable stream multi-segment mode. SW handshaking. Loop-back|
| | | is enabled. |
| | --streamMultiSegmentAmount | 2..16. The total amount of segments to control loop-back |
| | | /SW handshaking/IRQ. [4] |
### Parameters for AXI
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --AXIAlignment | AXI alignment setting (in hexadecimal format). [0] |
| | | swreg367 bit[29:26] AXI_burst_align_wr_cuinfo |
| | | swreg320 bit[31:28] AXI_burst_align_wr_common |
| | | swreg320 bit[27:24] AXI_burst_align_wr_stream |
| | | swreg320 bit[23:20] AXI_burst_align_wr_chroma_ref |
| | | swreg320 bit[19:16] AXI_burst_align_wr_luma_ref |
| | | swreg320 bit[15:12] AXI_burst_align_rd_common |
| | | swreg320 bit[11: 8] AXI_burst_align_rd_prp |
| | | swreg320 bit[ 7: 4] AXI_burst_align_rd_ch_ref_prefetch |
| | | swreg320 bit[ 3: 0] AXI_burst_align_rd_lu_ref_prefetch |
| | --burstMaxLength | Maximum AXI burst length. [16] |
### IRQ Type
#### Parameters for IRQ Type Mask
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --irqTypeMask | irq Type mask setting (in binary format). [111110000] |
| | | swreg1 bit24 irq_type_sw_reset_mask, default 1 |
| | | swreg1 bit23 irq_type_fuse_error_mask, default 1 |
| | | swreg1 bit22 irq_type_buffer_full_mask, default 1 |
| | | swreg1 bit21 irq_type_bus_error_mask, default 1 |
| | | swreg1 bit20 irq_type_timeout_mask, default 1 |
| | | swreg1 bit19 irq_type_strm_segment_mask, default 0 |
| | | swreg1 bit18 irq_type_line_buffer_mask, default 0 |
| | | swreg1 bit17 irq_type_slice_rdy_mask, default 0 |
| | | swreg1 bit16 irq_type_frame_rdy_mask, default 0 |
#### Parameters for IRQ Type Cutree Mask
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --irqTypeCutreeMask | irq Type cutree mask setting (in binary format). [111110000] |
| | | irq_type_sw_reset_mask, default 1 |
| | | irq_type_fuse_error_mask, default 1 |
| | | irq_type_buffer_full_mask, default 1 |
| | | Imswreg1 bit21 irq_type_bus_error_mask, default 1 |
| | | Imswreg1 bit20 irq_type_timeout_mask, default 1 |
| | | irq_type_strm_segment_mask, default 0 |
| | | irq_type_line_buffer_mask, default 0 |
| | | irq_type_slice_rdy_mask, default 0 |
| | | Imswreg1 bit16 irq_type_frame_rdy_mask, default 0 |
| | | |
| | | In order to be consistent with irqTypeMask, we set it with |
| | | 9 bits. But only parsing irq_type_bus_error_mask, |
| | | irq_type_timeout_mask and irq_type_frame_rdy_mask. |
### Parameters for Control the Peripherals(Only for C-Model)
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --useVcmd | 0..1 Disable/Enable VCMD |
| | --useDec400 | 0..1 Disable/Enable DEC400 |
| | --useL2Cache | 0..1 Disable/Enable L2Cache |
### Parameters for External SRAM
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --extSramLumHeightBwd | [0..16] Exteranl SRAM capacity for luma backward reference. |
| | | 0=no external SRAM, |
| | | 1..16=The number of line count 4*extSramLumHeightBwd |
| | | default: hevc - 16, h264 - 12 |
| | --extSramChrHeightBwd | [0..16] Exteranl SRAM capacity for chroma backward reference. |
| | | 0=no external SRAM, |
| | | 1..16=The number of line count 4*extSramChrHeightBwd |
| | | default: hevc - 8, h264 - 6 |
| | --extSramLumHeightFwd | [0..16] Exteranl SRAM capacity for luma forward reference. |
| | | 0=no external SRAM, |
| | | 1..16=The number of line count 4*extSramLumHeightFwd |
| | | default: hevc - 16, h264 - 12 |
| | --extSramChrHeightFwd | [0..16] Exteranl SRAM capacity for chroma forward reference. |
| | | 0=no external SRAM, |
| | | 1..16=The number of line count 4*extSramChrHeightFwd |
| | | default: hevc - 8, h264 - 6 |
## Debug and Testing
### Parameters for Debug
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --dumpRegister | 0..1 dump register enable [0] |
| | | when enable, software will dump register values to sw_reg.trc.|
| | | |
| | | 0: no register dump. |
| | | 1: print register dump. |
| | --rasterscan | 0..1 raster scan enable [0] |
| | | When enable, Raster scan output will dump recon on FPGA & HW |
| | | 0: disable raster scan output. |
| | | 1: enable raster scan output. |
### Temporary Testing Multiple Encoder Instances in Multi-thread Mode or Multi-process Mode
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --multimode | Specify parallel running mode [0] |
| | | 0: disable |
| | | 1: multi-thread mode |
| | | 2: multi-process mode |
| | --streamcfg | Specify the filename storing encoder options |
### Parameters Affecting Runtime Log Level
| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
| | --verbose | 0..1 Log printing mode [0] |
| | | 0: Print brief information. |
| | | 1: Print more detailed information. |
### Parameters for Control Log&Print Message
| Short | Long Option | Description |
| ----- | ------------------------ | -------------------------------------------------------------|
| | --logOutDir | to control log message output device. [0] |
| | | 0 = all log output to stdout. |
| | | 1 = all log use one log file. |
| | | 2 = each thread of each instance has its own log file. |
| | --logOutLevel | to control log message output level. [3] |
| | | 0 = "quiet": no output. |
| | | 1 = "fatal": serious errors. |
| | | 2 = "error": error happens. |
| | | 3 = "warn": may not well used. |
| | | 4 = "info": provide some information |
| | | 5 = "debug": provide some information |
| | | 6 = "all": every thing |
| | --logTraceMap | to control log message output trace information for |
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| | | prompt and debug. [63]=b`0111111 |
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| | | 0 = dump API call. |
| | | 1 = dump registers. |
| | | 2 = dump EWL. |
| | | 3 = dump memory usage. |
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| | | 4 = dump Rate Control Status |
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| | | 5 = output full command line |
| | | 6 = output performance information |
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| | --logCheckMap | to control log message output check information for test |
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| | | only. [1]=b`00001 |
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| | | 0 = output recon YUV data. |
| | | 1 = output quality PSNR/SSIM for each frame. |
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| | | 2 = output VBV information for checking RC. |
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| | | 3 = output RC information for RC profiling. |
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| | | 4 = output features for coverage |
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## Internal Dev Usage
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### Parameters for Internal DEV Usage, not Recommended for Users
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| Short | Long Option | Description |
|-------|------------------------|----------------------------------------------------------------|
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| | --parallelCoreNum | 1..4 The number of cores run in parallel at frame level.[1] |
| | | It is set to 1, when num_tile_columns > 1. |
| | --smoothingIntra | 0..1 Enable or disable the strong_intra_smoothing_enabled_flag |
| | | (HEVC only). 0=Normal, 1=Strong. [1] |
| | --testId | Internal test ID. [0] |
| | --roiMapDeltaQpBinFile | User-specified DeltaQp map binary file, only valid when |
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| | | lookaheadDepth > 0. Every byte stands for a block unit deltaQp |
| | | in raster-scan order. The block unit size is defined by |
| | | "--roiMapDeltaQpBlockUnit" (0-64x64,1-32x32,2-16x16,3-8x8). |
| | | Frame width and height are aligned to block unit size when |
| | | setting deltaQp per block. Frame N data is followed by Frame |
| | | N+1 data immediately in display order. |
| | --RoimapCuCtrlIndexBinFile | User-specified ROI map CU control index binary file, |
| | | which defines where the ROI info is included in the bin file |
| | | "--RoimapCuCtrlInfoBinFile" (InfoBinFile). |
| | | If the InfoBinFile is not specified, the ROI info about CUs in |
| | | each CTB is included in the file "RoimapCuCtrlInfoBinFile". |
| | | If InfoBinFile is specified, the ROI info about CUs in each CTB|
| | | should be included in the file "RoimapCuCtrlIndexBinFile". |
| | --TxTypeSearchEnable | 0..1 Enable AV1 Tx type search. [0] |
| | | 0=Disable; 1=Enable. |
| | --av1InterFiltSwitch | 0..1 Enable AV1 interp filter switch. [1] |
| | | 0=Disable; 1=Enable. |
| | --rdLog | output rd log in profile.log |
| | --replaceMvFile | File name for user provided ME1N MVs. |
| | | raster scan 32x32 blocks, 21 MVs for each block. For each MV, |
| | | (Hor+Ver)*(sizeof(i16))*(L0+L1)=8byte; 21 MV position: |
| | | 32x32(0,0), |
| | | 16x16(0,0), 16x16(16,0), 16x16(0,16), 16x16(16,16), |
| | | 8x8(0,0), 8x8(8,0), 8x8(16,0), 8x8(24,0), |
| | | 8x8(0,8), 8x8(8,8), 8x8(16,8), 8x8(24,8), |
| | | 8x8(0,16), 8x8(8,16), 8x8(16,16), 8x8(24,16), |
| | | 8x8(0,24), 8x8(8,24), 8x8(16,24), 8x8(24,24) |
| | --osdDec400TableInput | Read osd input DEC400 compressed table from file. [NULL] |
Flex
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