视频图像与图形叠加程序，可以学习如何在视频显示程序中增加OSD显示文件列表: Lab527-530-VideoOSD ...................\build.bat ...................\cc_build_HD480P.log ...................\cc_build_HD720P.log ...................\cc_build_NTSC.log ...................\cc_build_PAL.log ...................\evmdm642_vcapparams.h ...................\evmdm642_vcapparamsNTSC.c ...................\evmdm642_vcapparamsPAL.c ...................\evmdm642_vdisparams.h ...................\evmdm642_vdisparamsHD480P.c ...................\evmdm642_vdisparamsHD720P.c ...................\evmdm642_vdisparamsNTSC.c ...................\evmdm642_vdisparamsPAL.c ...................\HD480P ...................\......\hd480p_osd.map ...................\......\hd480p_osd.out ...................\......\osdcfg.obj ...................\......\osdcfg_c.obj ...................\......\tskOSD.obj ...................\......\video_loopback.obj ...................\HD480P.lkf ...................\HD480P.lkv ...................\HD720P ...................\......\hd720p_osd.map ...................\......\hd720p_osd.out ...................\......\osdcfg.obj ...................\......\osdcfg_c.obj ...................\......\tskOSD.obj ...................\......\video_loopback.obj ...................\HD720P.lkf ...................\HD720P.lkv ...................\loopback_main.c ...................\loopback_osd.paf ...................\loopback_osd.pjt ...................\NTSC ...................\....\ntsc_loopback_osd.map ...................\....\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 ...................\...\osdcfg.obj ...................\...\osdcfg_c.obj ...................\...\pal_loopback_osd.map ...................\...\pal_loopback_osd.out ...................\...\tskOSD.obj ...................\...\video_loopback.obj ...................\PAL.lkf ...................\PAL.lkv ...................\tskOSD.c ...................\tskOSD.h ...................\video_loopback.c……