kvazaar-visualizer.zip_Kvazaar Visualizer_kvazaar_kvazaar怎么用_vis

Kvazaar ======= An open-source HEVC encoder licensed under LGPLv2.1 Join channel #kvazaar_hevc in Freenode IRC network to contact us. Kvazaar is not yet finished and does not implement all the features of HEVC. Compression performance will increase as we add more coding tools. http://ultravideo.cs.tut.fi/#encoder for more information. [](https://travis-ci.org/ultravideo/kvazaar) ## Using Kvazaar [comment]: # (BEGIN KVAZAAR HELP MESSAGE) ``` Usage: kvazaar -i <input> --input-res <width>x<height> -o <output> Optional parameters: --help : Print this help message and exit --version : Print version information and exit -n, --frames <integer> : Number of frames to code [all] --seek <integer> : First frame to code [0] --input-res <int>x<int> : Input resolution (width x height) or auto : try to detect from file name [auto] --input-fps <num>/<denom> : Framerate of the input video [25.0] -q, --qp <integer> : Quantization Parameter [32] -p, --period <integer> : Period of intra pictures [0] 0: only first picture is intra 1: all pictures are intra 2-N: every Nth picture is intra --vps-period <integer> : Specify how often the video parameter set is re-sent. [0] 0: only send VPS with the first frame 1: send VPS with every intra frame N: send VPS with every Nth intra frame -r, --ref <integer> : Reference frames, range 1..15 [3] --no-deblock : Disable deblocking filter --deblock <beta:tc> : Deblocking filter parameters beta and tc range is -6..6 [0:0] --no-sao : Disable sample adaptive offset --no-rdoq : Disable RDO quantization --no-signhide : Disable sign hiding in quantization --smp : Enable Symmetric Motion Partition --amp : Enable Asymmetric Motion Partition --rd <integer> : Rate-Distortion Optimization level [1] 0: no RDO 1: estimated RDO 2: full RDO --mv-rdo : Enable Rate-Distortion Optimized motion vector costs --full-intra-search : Try all intra modes. --no-transform-skip : Disable transform skip --aud : Use access unit delimiters --cqmfile <string> : Custom Quantization Matrices from a file --debug <string> : Output encoders reconstruction. --cpuid <integer> : Disable runtime cpu optimizations with value 0. --me <string> : Set integer motion estimation algorithm ["hexbs"] "hexbs": Hexagon Based Search (faster) "tz": Test Zone Search (better quality) "full": Full Search (super slow) --subme <integer> : Set fractional pixel motion estimation level [1]. 0: only integer motion estimation 1: fractional pixel motion estimation enabled --source-scan-type <string> : Set source scan type ["progressive"]. "progressive": progressive scan "tff": top field first "bff": bottom field first --pu-depth-inter <int>-<int> : Range for sizes of inter prediction units to try. 0: 64x64, 1: 32x32, 2: 16x16, 3: 8x8 --pu-depth-intra <int>-<int> : Range for sizes of intra prediction units to try. 0: 64x64, 1: 32x32, 2: 16x16, 3: 8x8, 4: 4x4 --no-info : Don't add information about the encoder to settings. --gop <string> : Definition of GOP structure [0] "0": disabled "8": B-frame pyramid of length 8 "lp-<string>": lp-gop definition (e.g. lp-g8d4r3t2) --bipred : Enable bi-prediction search --bitrate <integer> : Target bitrate. [0] 0: disable rate-control N: target N bits per second --preset <string> : Use preset. This will override previous options. ultrafast, superfast,veryfast, faster, fast, medium, slow, slower, veryslow, placebo --no-psnr : Don't calculate PSNR for frames --loop-input : Re-read input file forever --mv-constraint : Constrain movement vectors "none": no constraint "frametile": constrain within the tile "frametilemargin": constrain even more Video Usability Information: --sar <width:height> : Specify Sample Aspect Ratio --overscan <string> : Specify crop overscan setting ["undef"] - undef, show, crop --videoformat <string> : Specify video format ["undef"] - component, pal, ntsc, secam, mac, undef --range <string> : Specify color range ["tv"] - tv, pc --colorprim <string> : Specify color primaries ["undef"] - undef, bt709, bt470m, bt470bg, smpte170m, smpte240m, film, bt2020 --transfer <string> : Specify transfer characteristics ["undef"] - undef, bt709, bt470m, bt470bg, smpte170m, smpte240m, linear, log100, log316, iec61966-2-4, bt1361e, iec61966-2-1, bt2020-10, bt2020-12 --colormatrix <string> : Specify color matrix setting ["undef"] - undef, bt709, fcc, bt470bg, smpte170m, smpte240m, GBR, YCgCo, bt2020nc, bt2020c --chromaloc <integer> : Specify chroma sample location (0 to 5) [0] Parallel processing: --threads <integer> : Maximum number of threads to use. Disable threads if set to 0. Tiles: --tiles-width-split <string>|u<int> : Specifies a comma separated list of pixel positions of tiles columns separation coordinates. Can also be u followed by and a single int n, in which case it produces columns of uniform width. --tiles-height-split <string>|u<int> : Specifies a comma separated list of pixel positions of tiles rows separation coordinates. Can also be u followed by and a single int n, in which case it produces rows of uniform height. Wpp: --wpp : Enable wavefront parallel processing --owf <integer>|auto : Number of parallel frames to process. 0 to disable. Slices: --sl