ivstprocesscontext.h

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//------------------------------------------------------------------------
// Project     : VST SDK
// Version     : 3.0
//
// Category    : Interfaces
// Filename    : ivstprocesscontext.h
// Created by  : Steinberg, 10/2005
// Modified    : $Date: 2008/01/15 13:58:31 $
// Description : VST Processing Context Interfaces
//
//-----------------------------------------------------------------------------
// LICENSE
// © 2008, Steinberg Media Technologies GmbH, All Rights Reserved
//-----------------------------------------------------------------------------
// This Software Development Kit may not be distributed in parts or its entirety  
// without prior written agreement by Steinberg Media Technologies GmbH. 
// This SDK must not be used to re-engineer or manipulate any technology used  
// in any Steinberg or Third-party application or software module, 
// unless permitted by law.
// Neither the name of the Steinberg Media Technologies nor the names of its
// contributors may be used to endorse or promote products derived from this 
// software without specific prior written permission.
// 
// THIS SDK IS PROVIDED BY STEINBERG MEDIA TECHNOLOGIES GMBH "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
// IN NO EVENT SHALL STEINBERG MEDIA TECHNOLOGIES GMBH BE LIABLE FOR ANY DIRECT, 
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
//----------------------------------------------------------------------------------

#ifndef __ivstprocesscontext__
#define __ivstprocesscontext__

#include "pluginterfaces/base/funknown.h"
#include "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 Mask {
                kChordMask = 0x0FFF,    
                kReservedMask = 0xF000  
        };

//------------------------------------------------------------------------
};

//------------------------------------------------------------------------
//------------------------------------------------------------------------
struct ProcessContext
{
//------------------------------------------------------------------------
        enum TransportStates
        {
                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"
//------------------------------------------------------------------------

#endif // __ivstprocesscontext__

---

Copyright ©2008 Steinberg Media Technologies. All Rights Reserved.