Microsoft WMV9 should be the official source code, can refer to research

wmv9解码代码\wmvv9_dec\asf\asfcommon\wmcguid.cpp
............\.........\...\...parse_v9\tables_rc.h
............\.........\...\...........\w32wrap.h
............\.........\...\...........\wmaudio_type.h
............\.........\...\...........\wmcdecode.h
............\.........\...\...........\wmf.c
............\.........\...\...........\wmf.h
............\.........\...\...........\wmfdec.h
............\.........\...\...........\wmfdecode.c
............\.........\...\...........\wmfdecode.h
............\.........\...\...........\wmferr.h
............\.........\...\...........\wmfparse.c
............\.........\...\...........\wmfparse.h
............\.........\...\...........\wmftypes.h
............\.........\...\...........\wmf_loadstuff.h
............\.........\...\wmcguids.h
............\.........\...\wmc_type.h
............\.........\...\..fdecode_vc_v9\Debug\Affine.obj
............\.........\...\...............\.....\Affine.sbr
............\.........\...\...............\.....\blkdec_wmv.obj
............\.........\...\...............\.....\blkdec_wmv.sbr
............\.........\...\...............\.....\clipresize.obj
............\.........\...\...............\.....\clipresize.sbr
............\.........\...\...............\.....\clipresizefun.obj
............\.........\...\...............\.....\clipresizefun.sbr
............\.........\...\...............\.....\deblock.obj
............\.........\...\...............\.....\deblock.sbr
............\.........\...\...............\.....\decolorconvfrm.obj
............\.........\...\...............\.....\decolorconvfrm.sbr
............\.........\...\...............\.....\decolorconv_prc.obj
............\.........\...\...............\.....\decolorconv_prc.sbr
............\.........\...\...............\.....\decolorconv_wmv.obj
............\.........\...\...............\.....\decolorconv_wmv.sbr
............\.........\...\...............\.....\dectable.obj
............\.........\...\...............\.....\dectable.sbr
............\.........\...\...............\.....\dectable_mp4x.obj
............\.........\...\...............\.....\dectable_mp4x.sbr
............\.........\...\...............\.....\dectable_wmvb.obj
............\.........\...\...............\.....\dectable_wmvb.sbr
............\.........\...\...............\.....\deinterlace_wmv9.obj
............\.........\...\...............\.....\deinterlace_wmv9.sbr
............\.........\...\...............\.....\display_c.obj
............\.........\...\...............\.....\display_c.sbr
............\.........\...\...............\.....\frmdec_wmv.obj
............\.........\...\...............\.....\frmdec_wmv.sbr
............\.........\...\...............\.....\headdec.obj
............\.........\...\...............\.....\headdec.sbr
............\.........\...\...............\.....\huffdec_wmv.obj
............\.........\...\...............\.....\huffdec_wmv.sbr
............\.........\...\...............\.....\idctdec_wmv2.obj
............\.........\...\...............\.....\idctdec_wmv2.sbr
............\.........\...\...............\.....\idctdec_wmv9.obj
............\.........\...\...............\.....\idctdec_wmv9.sbr
............\.........\...\...............\.....\init_wmv.obj
............\.........\...\...............\.....\init_wmv.sbr
............\.........\...\...............\.....\InterlaceCore_wmv9.obj
............\.........\...\...............\.....\InterlaceCore_wmv9.sbr
............\.........\...\...............\.....\InterlaceDecBV2.obj
............\.........\...\...............\.....\InterlaceDecBV2.sbr
............\.........\...\...............\.....\InterlaceDecCoreV2.obj
............\.........\...\...............\.....\InterlaceDecCoreV2.sbr
............\.........\...\...............\.....\InterlaceDecPV2.obj
............\.........\...\...............\.....\InterlaceDecPV2.sbr
............\.........\...\...............\.....\InterlaceDecTable.obj
............\.........\...\...............\.....\InterlaceDecTable.sbr
............\.........\...\...............\.....\InterlaceDecV2.obj
............\.........\...\..

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