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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2013 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* 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 * |
* it under the terms of the GNU General Public License as published by * |
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#ifndef __LS_AUDIOOUTPUTDEVICEJACK_H__ |
#ifndef __LS_AUDIOOUTPUTDEVICEJACK_H__ |
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#define __LS_AUDIOOUTPUTDEVICEJACK_H__ |
#define __LS_AUDIOOUTPUTDEVICEJACK_H__ |
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#include "../../common/global.h" |
#include "../../common/global_private.h" |
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#if HAVE_JACK |
#if HAVE_JACK |
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#include "AudioOutputDevice.h" |
#include "AudioOutputDevice.h" |
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#include "../../common/ConditionServer.h" |
#include "../../common/ConditionServer.h" |
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#if HAVE_JACK_MIDI |
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#include "../midi/MidiInputDeviceJack.h" |
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#endif |
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namespace LinuxSampler { |
namespace LinuxSampler { |
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/** JACK audio output driver |
/** JACK audio output driver |
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class AudioOutputDeviceJack : public AudioOutputDevice { |
class AudioOutputDeviceJack : public AudioOutputDevice { |
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public: |
public: |
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AudioOutputDeviceJack(std::map<String,DeviceCreationParameter*> Parameters); |
AudioOutputDeviceJack(std::map<String,DeviceCreationParameter*> Parameters); |
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~AudioOutputDeviceJack(); |
virtual ~AudioOutputDeviceJack(); |
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/** Audio Channel Parameter 'JACK_BINDINGS' |
/** |
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* |
* Audio channel implementation for the JACK audio driver. |
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* Used to connect to other JACK clients. |
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*/ |
*/ |
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class ParameterJackBindings : public DeviceRuntimeParameterStrings { |
class AudioChannelJack : public AudioChannel { |
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public: |
public: |
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ParameterJackBindings(AudioChannel* pChannel, std::vector<String> InitialBindings) : DeviceRuntimeParameterStrings(InitialBindings) { this->pChannel = pChannel; } |
/** Audio Channel Parameter 'NAME' |
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virtual String Description() { return "Bindings to other JACK clients"; } |
* |
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virtual bool Fix() { return false; } |
* Used to assign an arbitrary name to an audio channel. |
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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 */ } |
class ParameterName : public AudioChannel::ParameterName { |
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public: |
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ParameterName(AudioChannelJack* pChannel); |
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virtual void OnSetValue(String s); |
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protected: |
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AudioChannelJack* pChannel; |
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}; |
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/** Audio Channel Parameter 'JACK_BINDINGS' |
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* |
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* Used to connect to other JACK clients. |
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*/ |
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class ParameterJackBindings : public DeviceRuntimeParameterStrings { |
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public: |
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ParameterJackBindings(AudioChannelJack* pChannel); |
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virtual String Description(); |
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virtual bool Fix(); |
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virtual std::vector<String> PossibilitiesAsString(); |
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virtual void OnSetValue(std::vector<String> vS); |
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static String Name(); |
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protected: |
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AudioChannelJack* pChannel; |
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std::vector<String> Bindings; |
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}; |
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protected: |
protected: |
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AudioChannel* pChannel; |
AudioChannelJack(uint ChannelNr, AudioOutputDeviceJack* pDevice) throw (AudioOutputException); |
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~AudioChannelJack(); |
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void UpdateJackBuffer(uint size); |
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friend class AudioOutputDeviceJack; |
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private: |
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AudioOutputDeviceJack* pDevice; |
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jack_port_t* hJackPort; |
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uint ChannelNr; |
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float* CreateJackPort(uint ChannelNr, AudioOutputDeviceJack* pDevice) throw (AudioOutputException); |
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}; |
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/** Audio Device Parameter 'NAME' |
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* |
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* Used to assign an arbitrary name to the JACK client of this |
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* audio device. |
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*/ |
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class ParameterName : public DeviceCreationParameterString { |
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public: |
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ParameterName(); |
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ParameterName(String s) throw (Exception); |
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virtual String Description(); |
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virtual bool Fix(); |
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virtual bool Mandatory(); |
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virtual std::map<String,DeviceCreationParameter*> DependsAsParameters(); |
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virtual std::vector<String> PossibilitiesAsString(std::map<String,String> Parameters); |
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virtual optional<String> DefaultAsString(std::map<String,String> Parameters); |
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virtual void OnSetValue(String s) throw (Exception); |
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static String Name(); |
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}; |
}; |
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// derived abstract methods from class 'AudioOutputDevice' |
// derived abstract methods from class 'AudioOutputDevice' |
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virtual void Play(); |
virtual void Play(); |
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virtual bool IsPlaying(); |
virtual bool IsPlaying(); |
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virtual void Stop(); |
virtual void Stop(); |
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virtual void AcquireChannels(uint uiChannels); |
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virtual uint MaxSamplesPerCycle(); |
virtual uint MaxSamplesPerCycle(); |
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virtual uint SampleRate(); |
virtual uint SampleRate(); |
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virtual AudioChannel* CreateChannel(uint ChannelNr); |
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virtual float latency(); |
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static String Name(); |
static String Name(); |
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virtual String Driver(); |
virtual String Driver(); |
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static String Description(); |
static String Description(); |
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static String Version(); |
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 |
int Process(uint Samples); // FIXME: should be private |
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void UpdateJackBuffers(uint size); |
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protected: |
protected: |
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AudioOutputDeviceJack(String* AutoConnectPortIDs = NULL, uint AutoConnectPorts = 0); |
AudioOutputDeviceJack(String* AutoConnectPortIDs = NULL, uint AutoConnectPorts = 0); |
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private: |
private: |
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ConditionServer csIsPlaying; |
ConditionServer csIsPlaying; |
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uint uiMaxSamplesPerCycle; |
uint uiMaxSamplesPerCycle; |
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jack_client_t* hJackClient; |
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 |
// Callback functions for the libjack API |
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int __libjack_process_callback(jack_nframes_t nframes, void* arg); |
int linuxsampler_libjack_process_callback(jack_nframes_t nframes, void* arg); |
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void __libjack_shutdown_callback(void* arg); |
void linuxsampler_libjack_shutdown_callback(void* arg); |
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/** JACK client |
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* |
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* Represents a jack client. This class is shared by |
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* AudioOutputDeviceJack and MidiInputDeviceJack. The jack server |
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* calls JackClient::Process, which in turn calls |
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* AudioOutputDeviceJack::Process and/or |
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* MidiInputDeviceJack::Process. |
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*/ |
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class JackClient { |
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public: |
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static JackClient* CreateAudio(String Name); |
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static JackClient* CreateMidi(String Name); |
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static void ReleaseAudio(String Name); |
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static void ReleaseMidi(String Name); |
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int Process(uint Samples); |
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void Stop(); |
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void SetAudioOutputDevice(AudioOutputDeviceJack* device); |
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#if HAVE_JACK_MIDI |
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void SetMidiInputDevice(MidiInputDeviceJack* device); |
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#endif |
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jack_client_t* hJackClient; |
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private: |
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static std::map<String, JackClient*> Clients; |
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struct config_t { |
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AudioOutputDeviceJack* AudioDevice; |
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#if HAVE_JACK_MIDI |
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MidiInputDeviceJack* MidiDevice; |
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#endif |
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}; |
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SynchronizedConfig<config_t> Config; |
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SynchronizedConfig<config_t>::Reader ConfigReader; |
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bool audio; |
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bool midi; |
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JackClient(String Name); |
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~JackClient(); |
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// Callback functions for the libjack API |
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static int libjackSampleRateCallback(jack_nframes_t nframes, void *arg); |
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static int libjackBufferSizeCallback(jack_nframes_t nframes, void *arg); |
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}; |
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} |
} |
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#endif // HAVE_JACK |
#endif // HAVE_JACK |