Jack2 1.9.6

JackAudioDriver.h

00001 /*
00002 Copyright (C) 2001 Paul Davis
00003 Copyright (C) 2004-2008 Grame
00004 
00005 This program is free software; you can redistribute it and/or modify
00006 it under the terms of the GNU General Public License as published by
00007 the Free Software Foundation; either version 2 of the License, or
00008 (at your option) any later version.
00009 
00010 This program is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 GNU General Public License for more details.
00014 
00015 You should have received a copy of the GNU General Public License
00016 along with this program; if not, write to the Free Software
00017 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 
00019 */
00020 
00021 #ifndef __JackAudioDriver__
00022 #define __JackAudioDriver__
00023 
00024 #include "JackDriver.h"
00025 
00026 namespace Jack
00027 {
00028 
00033 class SERVER_EXPORT JackAudioDriver : public JackDriver
00034 {
00035 
00036     protected:
00037 
00038         void ProcessGraphAsync();
00039         void ProcessGraphSync();
00040         void WaitUntilNextCycle();
00041 
00042         virtual int ProcessAsync();
00043         virtual int ProcessSync();
00044   
00045         int fCaptureChannels;
00046         int fPlaybackChannels;
00047 
00048         // Static tables since the actual number of ports may be changed by the real driver
00049         // thus dynamic allocation is more difficult to handle
00050         jack_port_id_t fCapturePortList[DRIVER_PORT_NUM];
00051         jack_port_id_t fPlaybackPortList[DRIVER_PORT_NUM];
00052         jack_port_id_t fMonitorPortList[DRIVER_PORT_NUM];
00053 
00054         bool fWithMonitorPorts;
00055 
00056         jack_default_audio_sample_t* GetInputBuffer(int port_index);
00057         jack_default_audio_sample_t* GetOutputBuffer(int port_index);
00058         jack_default_audio_sample_t* GetMonitorBuffer(int port_index);
00059 
00060     public:
00061 
00062         JackAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
00063         virtual ~JackAudioDriver();
00064 
00065         virtual int Open(jack_nframes_t buffer_size,
00066                         jack_nframes_t samplerate,
00067                         bool capturing,
00068                         bool playing,
00069                         int inchannels,
00070                         int outchannels,
00071                         bool monitor,
00072                         const char* capture_driver_name,
00073                         const char* playback_driver_name,
00074                         jack_nframes_t capture_latency,
00075                         jack_nframes_t playback_latency);
00076                         
00077         virtual int Open(bool capturing,
00078                         bool playing,
00079                         int inchannels,
00080                         int outchannels,
00081                         bool monitor,
00082                         const char* capture_driver_name,
00083                         const char* playback_driver_name,
00084                         jack_nframes_t capture_latency,
00085                         jack_nframes_t playback_latency);
00086                   
00087         virtual int Process();
00088         virtual int ProcessNull();
00089 
00090         virtual int Attach();
00091         virtual int Detach();
00092         
00093         virtual int Write();
00094 
00095         virtual int SetBufferSize(jack_nframes_t buffer_size);
00096         virtual int SetSampleRate(jack_nframes_t sample_rate);
00097 
00098 };
00099 
00100 } // end of namespace
00101 
00102 #endif