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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#ifndef __LS_ENGINE_H__ |
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#define __LS_ENGINE_H__ |
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|
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#include "../../common/global.h" |
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#include "../../drivers/audio/AudioOutputDevice.h" |
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|
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namespace LinuxSampler { |
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|
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// just symbol prototyping |
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class AudioOutputDevice; |
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|
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/** LinuxSampler Sampler Engine |
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* |
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* Abstract base class for all LinuxSampler engines. |
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*/ |
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class Engine { |
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public: |
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|
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virtual ~Engine() {}; |
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|
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///////////////////////////////////////////////////////////////// |
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// type definitions |
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|
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/** |
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* List with all currently implemented sampler engines. |
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*/ |
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enum type_t { |
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type_gig |
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}; |
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|
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|
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|
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///////////////////////////////////////////////////////////////// |
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// abstract methods |
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// (these have to be implemented by the descendant) |
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|
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virtual void PrepareLoadInstrument(const char* FileName, uint Instrument) = 0; |
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virtual void LoadInstrument() = 0; |
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virtual void Reset() = 0; |
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virtual void Enable() = 0; |
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virtual void Disable() = 0; |
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virtual void SendNoteOn(uint8_t Key, uint8_t Velocity) = 0; |
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virtual void SendNoteOff(uint8_t Key, uint8_t Velocity) = 0; |
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virtual void SendPitchbend(int Pitch) = 0; |
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virtual void SendControlChange(uint8_t Controller, uint8_t Value) = 0; |
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virtual void SendSysex(void* pData, uint Size) = 0; |
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virtual float Volume() = 0; |
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virtual void Volume(float f) = 0; |
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virtual uint Channels() = 0; |
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virtual void Connect(AudioOutputDevice* pAudioOut) = 0; |
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virtual void DisconnectAudioOutputDevice() = 0; |
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virtual void SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) = 0; |
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virtual int OutputChannel(uint EngineAudioChannel) = 0; |
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virtual int RenderAudio(uint Samples) = 0; |
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virtual uint VoiceCount() = 0; |
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virtual uint VoiceCountMax() = 0; |
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virtual bool DiskStreamSupported() = 0; |
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virtual uint DiskStreamCount() = 0; |
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virtual uint DiskStreamCountMax() = 0; |
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virtual String DiskStreamBufferFillBytes() = 0; |
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virtual String DiskStreamBufferFillPercentage() = 0; |
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virtual String Description() = 0; |
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virtual String Version() = 0; |
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virtual String EngineName() = 0; |
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virtual String InstrumentFileName() = 0; |
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virtual String InstrumentName() = 0; |
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virtual int InstrumentIndex() = 0; |
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virtual int InstrumentStatus() = 0; |
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}; |
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} |
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|
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#endif // __LS_ENGINE_H__ |