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"
//------------------------------------------------------------------------