ivstprocesscontext.h

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//------------------------------------------------------------------------
// Project     : VST SDK
//
// Category    : Interfaces
// Filename    : pluginterfaces/vst/ivstprocesscontext.h
// Created by  : Steinberg, 10/2005
// Description : VST Processing Context Interfaces
//
//-----------------------------------------------------------------------------
// This file is part of a Steinberg SDK. It is subject to the license terms
// in the LICENSE file found in the top-level directory of this distribution
// and at www.steinberg.net/sdklicenses. 
// No part of the SDK, including this file, may be copied, modified, propagated,
// or distributed except according to the terms contained in the LICENSE file.
//-----------------------------------------------------------------------------
 
#pragma once
 
#include "pluginterfaces/base/funknown.h"
#include "pluginterfaces/vst/vsttypes.h"
 
//------------------------------------------------------------------------
#include "pluginterfaces/base/falignpush.h"
//------------------------------------------------------------------------
 
//------------------------------------------------------------------------
namespace Steinberg {
namespace Vst {
//------------------------------------------------------------------------
struct FrameRate
{
//------------------------------------------------------------------------
        enum FrameRateFlags
        {
                kPullDownRate = 1 << 0,
                kDropRate     = 1 << 1
        };
 
        uint32 framesPerSecond;         
        uint32 flags;                           
//------------------------------------------------------------------------
};
 
//------------------------------------------------------------------------
struct Chord
{
//------------------------------------------------------------------------
        uint8 keyNote;          
        uint8 rootNote;         

        int16 chordMask;
 
        enum Masks {
                kChordMask = 0x0FFF,    
                kReservedMask = 0xF000  
        };
//------------------------------------------------------------------------
};
 
//------------------------------------------------------------------------
struct ProcessContext
{
//------------------------------------------------------------------------
        enum StatesAndFlags
        {
                kPlaying          = 1 << 1,             
                kCycleActive      = 1 << 2,             
                kRecording        = 1 << 3,             
 
                kSystemTimeValid  = 1 << 8,             
                kContTimeValid    = 1 << 17,    
 
                kProjectTimeMusicValid = 1 << 9,
                kBarPositionValid = 1 << 11,    
                kCycleValid       = 1 << 12,    
 
                kTempoValid       = 1 << 10,    
                kTimeSigValid     = 1 << 13,    
                kChordValid       = 1 << 18,    
 
                kSmpteValid       = 1 << 14,    
                kClockValid       = 1 << 15             
        };
 
        uint32 state;                                   
 
        double sampleRate;                              
        TSamples projectTimeSamples;    
 
        int64 systemTime;                               
        TSamples continousTimeSamples;  
 
        TQuarterNotes projectTimeMusic; 
        TQuarterNotes barPositionMusic; 
        TQuarterNotes cycleStartMusic;  
        TQuarterNotes cycleEndMusic;    
 
        double tempo;                                   
        int32 timeSigNumerator;                 
        int32 timeSigDenominator;               
 
        Chord chord;                                    
 
        int32 smpteOffsetSubframes;             
        FrameRate frameRate;                    
 
        int32 samplesToNextClock;               
//------------------------------------------------------------------------
};
 
//------------------------------------------------------------------------
} // namespace Vst
} // namespace Steinberg
 
//------------------------------------------------------------------------
#include "pluginterfaces/base/falignpop.h"
//------------------------------------------------------------------------