闻亭的TDS642EVM，即DM642的字幕叠加实验程序，本人已测试通过文件列表: image642-osd ............\build.bat ............\cc_build_HD480P.log ............\cc_build_HD720P.log ............\cc_build_NTSC.log ............\cc_build_PAL.log ............\Debug ............\evmdm642_vcapparams.h ............\evmdm642_vcapparamsNTSC.c ............\evmdm642_vcapparamsPAL.c ............\evmdm642_vdisparams.h ............\evmdm642_vdisparamsHD480P.c ............\evmdm642_vdisparamsHD720P.c ............\evmdm642_vdisparamsNTSC.c ............\evmdm642_vdisparamsPAL.c ............\HD720P.lkf ............\HD720P.lkv ............\image642-osd.CS_ ............\................\FILE.CDX ............\................\FILE.DBF ............\................\FILE.FPT ............\................\SYMBOL.CDX ............\................\SYMBOL.DBF ............\................\SYMBOL.FPT ............\image642-osd.paf ............\image642-osd.paf2 ............\image642-osd.pjt ............\image642-osd.sbl ............\loopback_main.c ............\loopback_osd.paf ............\NTSC ............\....\image642-ntsc-osd.map ............\....\image642-ntsc-osd.out ............\....\ntsc_loopback_osd.out ............\....\osdcfg.obj ............\....\osdcfg_c.obj ............\....\tskOSD.obj ............\....\video_loopback.obj ............\NTSC.lkf ............\NTSC.lkv ............\osd.cdb ............\osd.cmd ............\osdcfg.cmd ............\osdcfg.h ............\osdcfg.h62 ............\osdcfg.s62 ............\osdcfg_c.c ............\PAL ............\...\image642-pal-osd.map ............\...\image642-pal-osd.out ............\...\osdcfg.obj ............\...\osdcfg_c.obj ............\...\tskOSD.obj ............\...\video_loopback.obj ............\PAL.lkf ............\PAL.lkv ............\sd.out -x -i ............\tskOSD.c ............\tskOSD.h ............\video_loopback.c……