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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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#ifndef __LS_AUDIOOUTPUTDEVICEJACK_H__ |
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#define __LS_AUDIOOUTPUTDEVICEJACK_H__ |
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#include "../common/global.h" |
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#if HAVE_JACK |
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#include <vector> |
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#include <sstream> |
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#include <jack/jack.h> |
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#include "AudioOutputDevice.h" |
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#include "../common/ConditionServer.h" |
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namespace LinuxSampler { |
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/** JACK audio output driver |
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* |
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* Implements audio output to the JACK Audio Connection Kit (JACK). |
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*/ |
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class AudioOutputDeviceJack : public AudioOutputDevice { |
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public: |
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AudioOutputDeviceJack(std::map<String,String> Parameters); |
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~AudioOutputDeviceJack(); |
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// Audio channel parameter to connect to other Jack clients |
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class ParameterJackBindings : public DeviceRuntimeParameterStrings { |
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public: |
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ParameterJackBindings(AudioChannel* pChannel, std::vector<String> InitialBindings) : DeviceRuntimeParameterStrings(InitialBindings) { this->pChannel = pChannel; } |
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virtual String Description() { return "Bindings to other JACK clients"; } |
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virtual bool Fix() { return false; } |
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virtual std::vector<String> PossibilitiesAsString() { return std::vector<String>(); /* TODO: to be implemented */ } |
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virtual void OnSetValue(std::vector<String> vS) { /* TODO: code to connect to other jack clients */ } |
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protected: |
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AudioChannel* pChannel; |
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}; |
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// derived abstract methods from class 'AudioOutputDevice' |
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virtual void Play(); |
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virtual bool IsPlaying(); |
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virtual void Stop(); |
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virtual void AcquireChannels(uint uiChannels); |
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virtual uint MaxSamplesPerCycle(); |
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virtual uint SampleRate(); |
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virtual String Driver(); |
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static String Description(); |
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static String Version(); |
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static std::map<String,DeviceCreationParameter*> AvailableParameters(); |
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int Process(uint Samples); // FIXME: should be private |
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protected: |
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AudioOutputDeviceJack(String* AutoConnectPortIDs = NULL, uint AutoConnectPorts = 0); |
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private: |
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ConditionServer csIsPlaying; |
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uint uiMaxSamplesPerCycle; |
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jack_client_t* hJackClient; |
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std::vector<jack_port_t*> hJackPorts; |
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}; |
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// Callback functions for the libjack API |
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int __libjack_process_callback(jack_nframes_t nframes, void* arg); |
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void __libjack_shutdown_callback(void* arg); |
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} |
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#endif // HAVE_JACK |
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#endif // __LS_AUDIOOUTPUTDEVICEJACK_H__ |