69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Pscolspc.cpp 1.4 1998/04/29 22:43:35 tomz Exp $
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extern "C" {
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#ifndef _STREAM_H
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#include "strmini.h"
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#endif
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}
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#include "pscolspc.h"
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/* Method: PsColorSpace::SetColorFormat
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* Purpose: Sets BtPisces color space converter to the given color
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* Input: eaColor: enum of type ColFmt
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* Output: None
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* Note: No error checking is done ( enum is checked by the compiler during compile
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* The function writes to the XXXX register
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*/
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BOOL VerifyColorFormat( ColFmt val )
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{
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// [WRK] - use constants here for valid formats
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switch( val ) {
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case 0:
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case 1:
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case 2:
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case 3:
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case 4:
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case 5:
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case 6:
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case 7:
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case 8:
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case 9:
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case 0xe:
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return( TRUE );
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default:
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DebugOut((0, "Caught bad write to ColorFormat (0x%x)\n", val));
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return( FALSE );
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}
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}
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void PsColorSpace::SetColorFormat( ColFmt eColor )
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{
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// save for later use...
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ColorSpace::SetColorFormat( eColor );
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ByteSwap_ = 0;
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switch ( eColor ) {
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case CF_YUV9:
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eColor = CF_PL_411;
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break;
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case CF_YUV12:
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case CF_I420:
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eColor = CF_PL_422;
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break;
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case CF_UYVY:
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eColor = CF_YUY2;
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ByteSwap_ = 1;
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break;
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}
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// set the hardware
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if ( VerifyColorFormat(eColor) ) {
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Format_ = eColor;
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} else {
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Format_ = 7;
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DebugOut((0, "Forcing invalid color format to 0x%x\n", Format_));
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}
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}
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