Jack2 1.9.8
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00001 /* 00002 Copyright (C) 2004-2008 Grame 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU General Public License as published by 00006 the Free Software Foundation; either version 2 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU General Public License for more details. 00013 00014 You should have received a copy of the GNU General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 00018 */ 00019 00020 #ifndef __JackPortAudioDriver__ 00021 #define __JackPortAudioDriver__ 00022 00023 #include "JackAudioDriver.h" 00024 #include "JackPortAudioDevices.h" 00025 #include "JackMMCSS.h" 00026 00027 namespace Jack 00028 { 00029 00034 class JackPortAudioDriver : public JackMMCSS, public JackAudioDriver 00035 { 00036 00037 private: 00038 00039 PortAudioDevices* fPaDevices; 00040 PaStream* fStream; 00041 jack_default_audio_sample_t** fInputBuffer; 00042 jack_default_audio_sample_t** fOutputBuffer; 00043 PaDeviceIndex fInputDevice; 00044 PaDeviceIndex fOutputDevice; 00045 00046 static int Render(const void* inputBuffer, void* outputBuffer, 00047 unsigned long framesPerBuffer, 00048 const PaStreamCallbackTimeInfo* timeInfo, 00049 PaStreamCallbackFlags statusFlags, 00050 void* userData); 00051 00052 PaError OpenStream(jack_nframes_t buffer_size); 00053 void UpdateLatencies(); 00054 00055 public: 00056 00057 JackPortAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table, PortAudioDevices* pa_devices) 00058 : JackMMCSS(), JackAudioDriver(name, alias, engine, table), fStream(NULL), fInputBuffer(NULL), fOutputBuffer(NULL), 00059 fInputDevice(paNoDevice), fOutputDevice(paNoDevice) 00060 { 00061 fPaDevices = pa_devices; 00062 } 00063 00064 virtual ~JackPortAudioDriver() 00065 { 00066 delete fPaDevices; 00067 } 00068 00069 int Open(jack_nframes_t buffe_size, 00070 jack_nframes_t samplerate, 00071 bool capturing, 00072 bool playing, 00073 int chan_in, 00074 int chan_out, 00075 bool monitor, 00076 const char* capture_driver_name, 00077 const char* playback_driver_name, 00078 jack_nframes_t capture_latency, 00079 jack_nframes_t playback_latency); 00080 00081 int Close(); 00082 00083 int Start(); 00084 int Stop(); 00085 00086 int Read(); 00087 int Write(); 00088 00089 // BufferSize can be changed 00090 bool IsFixedBufferSize() 00091 { 00092 return false; 00093 } 00094 00095 int SetBufferSize(jack_nframes_t buffer_size); 00096 }; 00097 00098 } // end of namespace 00099 00100 #endif