![]() When VC-1 codes an image, it divides the image into macroblocks. VC-1 codes a sequence of images in the YUV 4:2:0 colorspace. Representative Resolutions by Frame Rate (Format) The combinations of profiles and levels represent trade-offs between encoding/decoding complexity, compression quality, and compressed image size. VC-1 has 3 profiles: simple, main, and advanced. VC-1 video will probably be encapsulated in other types of containers and stream formats such as MPEG for HD-DVD transport. Note that the FourCC 'WMV9' may not actually exist in the wild but the acronym gained prominence anyway due to the fact that this video codec was introduced as part of the Windows Media 9 tool suite. ![]() Most commonly, VC-1 data is found inside of Microsoft ASF files and identified with the FourCC 'WMV3' for VC-1 simple and main profile and FourCC 'WVC1' for advanced profile. ![]()
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