Update of /cvsroot/mplayer/main/vidix/drivers In directory mplayer:/var/tmp.root/cvs-serv25244/vidix/drivers Modified Files: mach64_vid.c Log Message: meaning of some bits figured out Index: mach64_vid.c =================================================================== RCS file: /cvsroot/mplayer/main/vidix/drivers/mach64_vid.c,v retrieving revision 1.6 retrieving revision 1.7 diff -u -r1.6 -r1.7 --- mach64_vid.c 19 Feb 2002 18:04:06 -0000 1.6 +++ mach64_vid.c 19 Feb 2002 20:54:58 -0000 1.7 @@ -519,11 +519,22 @@ OUTREG(SCALER_BUF1_OFFSET_U, besr.vid_buf4_base_adrs); OUTREG(SCALER_BUF1_OFFSET_V, besr.vid_buf5_base_adrs); OUTREG(OVERLAY_SCALE_CNTL, 0xC4000003); +// OVERLAY_SCALE_CNTL bits & what they seem to affect +// bit 0 no effect +// bit 1 yuv2rgb coeff related +// bit 2 horizontal interpolation if 0 +// bit 3 vertical interpolation if 0 +// bit 4 chroma related +// bit 5-6 gamma correction +// bit 7 nothing visible if set +// bit 8-27 no effect +// bit 28-31 nothing interresting just crashed my system when i played with them :( + mach64_wait_for_idle(); vf = INREG(VIDEO_FORMAT); // Bits 16-19 seem to select the format -// Bit 28 seems to toggle the chroma encoding +// Bit 28 seems to toggle something affects luma & chroma // the remaining bits seem to have no effect switch(besr.fourcc)