The OSD display program based on DM642 is based on the demo program written by FPGA. You can refer to it

Filename	Size	Update
dbuild.bat	409	2003-08-08
osd.cmd	1042	2003-08-11
evmdm642_vcapparams.h	224	2003-07-30
evmdm642_vdisparams.h	224	2003-07-30
tskOSD.h	9744	2003-08-11
evmdm642_vcapparamsNTSC.c	2202	2003-08-08
evmdm642_vcapparamsPAL.c	2200	2003-08-08
evmdm642_vdisparamsHD480P.c	4606	2003-08-08
evmdm642_vdisparamsHD720P.c	4613	2003-08-08
evmdm642_vdisparamsNTSC.c	4555	2003-08-08
evmdm642_vdisparamsPAL.c	4588	2003-08-08
loopback_main.c	4926	2003-08-05
tskOSD.c	4515	2003-08-11
video_loopback.c	5228	2003-08-05
osd.cdb	1040103	2003-08-07
HD480P\hd480p_osd.out	402242	2003-08-12
HD720P\hd720p_osd.out	402242	2003-08-12
NTSC\ntsc_loopback_osd.out	402250	2003-08-12
PAL\pal_loopback_osd.out	402250	2003-08-12
loopback_osd.paf	6066	2004-04-26
loopback_osd.pjt	2104	2004-04-26
HD480P	0	2017-12-24
HD720P	0	2017-12-24
NTSC	0	2017-12-24
PAL	0	2017-12-24

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