juce_AudioPlayHead.h

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/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2015 - ROLI Ltd.
 
   Permission is granted to use this software under the terms of either:
   a) the GPL v2 (or any later version)
   b) the Affero GPL v3
 
   Details of these licenses can be found at: www.gnu.org/licenses
 
   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 
   ------------------------------------------------------------------------------
 
   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.juce.com for more information.
 
  ==============================================================================
*/
 
#ifndef JUCE_AUDIOPLAYHEAD_H_INCLUDED
#define JUCE_AUDIOPLAYHEAD_H_INCLUDED
 
 
//==============================================================================
class JUCE_API  AudioPlayHead
{
protected:
    //==============================================================================
    AudioPlayHead() {}
 
public:
    virtual ~AudioPlayHead() {}
 
    //==============================================================================
    enum FrameRateType
    {
        fps24           = 0,
        fps25           = 1,
        fps2997         = 2,
        fps30           = 3,
        fps2997drop     = 4,
        fps30drop       = 5,
        fpsUnknown      = 99
    };
 
    //==============================================================================
    struct JUCE_API  CurrentPositionInfo
    {
        double bpm;
 
        int timeSigNumerator;
        int timeSigDenominator;
 
        int64 timeInSamples;
        double timeInSeconds;
 
        double editOriginTime;
 
        double ppqPosition;
 
        double ppqPositionOfLastBarStart;
 
        FrameRateType frameRate;
 
        bool isPlaying;
 
        bool isRecording;
 
        double ppqLoopStart;
 
        double ppqLoopEnd;
 
        bool isLooping;
 
        //==============================================================================
        bool operator== (const CurrentPositionInfo& other) const noexcept;
        bool operator!= (const CurrentPositionInfo& other) const noexcept;
 
        void resetToDefault();
    };
 
    //==============================================================================
    virtual bool getCurrentPosition (CurrentPositionInfo& result) = 0;
};
 
 
#endif   // JUCE_AUDIOPLAYHEAD_H_INCLUDED