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https://github.com/microtherion/VocalEasel.git
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69 lines
1.6 KiB
Objective-C
69 lines
1.6 KiB
Objective-C
//
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// File: VLSoundOut.h - Sound output and file conversion
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//
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// Author(s):
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//
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// (MN) Matthias Neeracher
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//
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// Copyright © 2005-2011 Matthias Neeracher
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//
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#include "VLModel.h"
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#import <CoreFoundation/CoreFoundation.h>
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#include <AudioToolbox/AudioToolbox.h>
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extern CFStringRef kVLSoundStartedNotification;
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extern CFStringRef kVLSoundStoppedNotification;
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class VLSoundEvent {
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protected:
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VLSoundEvent() {}
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public:
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virtual ~VLSoundEvent();
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virtual void Perform() {}
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};
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class VLSoundScheduler {
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public:
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virtual void Schedule(VLSoundEvent * what, float when);
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virtual ~VLSoundScheduler() {}
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};
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class VLSoundOut {
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public:
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static VLSoundOut * Instance();
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static VLSoundOut * FileWriter(CFURLRef file, OSType dataFormat);
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static void SetScheduler(VLSoundScheduler * scheduler);
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virtual void PlayNote(const VLNote & note) = 0;
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virtual void PlayChord(const VLChord & chord) = 0;
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void PlayFile(CFDataRef file);
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virtual void PlaySequence(MusicSequence music) = 0;
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virtual void SetStart(MusicTimeStamp start) = 0;
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virtual void SetEnd(MusicTimeStamp end) = 0;
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virtual void Stop(bool pause=true) = 0;
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virtual bool Playing() = 0;
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virtual bool AtEnd() = 0;
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virtual bool AtBeginning() = 0;
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virtual void ResetSelection() = 0;
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virtual void SetPlayRate(float rate) = 0;
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virtual void Fwd() = 0;
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virtual void Bck() = 0;
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virtual void Slow(float rate) = 0;
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enum MelodyState {
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kMelodyMute,
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kMelodyRegular,
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kMelodySolo
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};
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virtual void SetMelodyState(MelodyState state) = 0;
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virtual ~VLSoundOut();
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};
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// Local Variables:
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// mode:C++
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// End:
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