| Description |
FastCodec - free fast lossless video codec designed for video capture. The main design goals are simplicity and speed. Compression algorithm is relatively simple. The general scheme is: Each frame is compressed separately; Frame is divided into square blocks 4x4 or 8x4 pixels; Every block converted from RGB to YUV color space; Enumerative coding is applied to transformed block. Specification includes: Lossless and lossy compression; Decompression in preview mode; Frame size restrictions. Lossless compression requires that frame width and height must be a multiple of 4. Lossy compression requires that frame height is multiple of 4 but frame width is multiple of 8; Supported input and output formats: YUY2/YUNV/V422/YUYV, YVYU, UYVY/Y422/UYNV, RGB24, RGB32; Codec implemented as VFW driver, FOURCC is FCKK |
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