113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
/*
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Copyright (C) 2004-2008 Grame
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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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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __JackPortAudioDriver__
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#define __JackPortAudioDriver__
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#include "JackAudioDriver.h"
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#include "JackPortAudioDevices.h"
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#ifdef _WIN32
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#include "JackMMCSS.h"
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#endif
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namespace Jack
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{
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/*!
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\brief The PortAudio driver.
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*/
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class JackPortAudioDriver :
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#ifdef _WIN32
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public JackMMCSS,
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#endif
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public JackAudioDriver
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{
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private:
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PaStream* fStream;
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jack_default_audio_sample_t** fInputBuffer;
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jack_default_audio_sample_t** fOutputBuffer;
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PaDeviceIndex fInputDevice;
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PaDeviceIndex fOutputDevice;
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PortAudioDevices* fPaDevices;
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jack_native_thread_t fReservationLoopThread;
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static int Render(const void* inputBuffer, void* outputBuffer,
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unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo* timeInfo,
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PaStreamCallbackFlags statusFlags,
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void* userData);
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PaError OpenStream(jack_nframes_t buffer_size);
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void UpdateLatencies();
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int Render(const void* inputBuffer, void* outputBuffer, PaStreamCallbackFlags statusFlags);
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public:
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JackPortAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table, PortAudioDevices* pa_devices) :
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#ifdef _WIN32
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JackMMCSS(),
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#endif
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JackAudioDriver(name, alias, engine, table), fStream(NULL), fInputBuffer(NULL), fOutputBuffer(NULL),
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fInputDevice(paNoDevice), fOutputDevice(paNoDevice), fPaDevices(pa_devices)
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{}
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virtual ~JackPortAudioDriver()
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{
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delete fPaDevices;
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}
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int Open(jack_nframes_t buffe_size,
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jack_nframes_t samplerate,
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bool capturing,
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bool playing,
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int chan_in,
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int chan_out,
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bool monitor,
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const char* capture_driver_name,
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const char* playback_driver_name,
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jack_nframes_t capture_latency,
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jack_nframes_t playback_latency);
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int Close();
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int Attach();
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int Start();
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int Stop();
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int Read();
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int Write();
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// BufferSize can be changed
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bool IsFixedBufferSize()
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{
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return false;
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}
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int SetBufferSize(jack_nframes_t buffer_size);
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};
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} // end of namespace
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#endif
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