46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Defaults.h 1.4 1998/04/29 22:43:32 tomz Exp $
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#ifndef __DEFAULTS_H
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#define __DEFAULTS_H
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const int DefWidth = 320;
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const int DefHeight = 240;
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const int MaxInWidth = 720;
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const int MinInWidth = 80;
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const int MaxInHeight = 480;
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const int MinInHeight = 60;
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const int MaxOutWidth = 720;
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const int MinOutWidth = 80;
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const int MaxOutHeight = 480;
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const int MinOutHeight = 60;
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//--------------------------------------
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const int VBISamples = 800 * 2;
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//const int VBISamples = 768 * 2;
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//--------------------------------------
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const int VBIStart = 10;
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const int VBIEnd = 21;
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const int VBILines = VBIEnd - VBIStart + 1;
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const int VBISampFreq = 28636363;
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const DWORD MaxVidProgSize = 288 * 5 * sizeof( DWORD );// max size of a planar program
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const DWORD MaxVidCrossings = 720 * 288 * 3 / PAGE_SIZE; // worst case buffer layout
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const DWORD MaxVidSize = MaxVidProgSize + MaxVidCrossings * 5 * sizeof( DWORD );
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const DWORD MaxVBIProgSize = VBILines * 2 * sizeof( DWORD );
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const DWORD MaxVBICrossings = VBISamples * VBILines / PAGE_SIZE;
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const DWORD MaxVBISize = MaxVBIProgSize + MaxVBICrossings * 5 * sizeof( DWORD );
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const DWORD MaxHelpers = 13;
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// 2 fields, 2 programs per field + skippers
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const DWORD VideoOffset = MaxVBISize * 2 * 2 + MaxVBISize * MaxHelpers;
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const DWORD RISCProgramsSize = // total memory needed for all risc programs
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( MaxVidSize * 2 + MaxVBISize * 2 ) * 2 + MaxVBISize * MaxHelpers; // skippers
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#endif
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