Jack2 1.9.7

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         int 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         void HandleLatencyCallback(int status);
00061 
00062     public:
00063 
00064         JackAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
00065         virtual ~JackAudioDriver();
00066 
00067         virtual int Open(jack_nframes_t buffer_size,
00068                         jack_nframes_t samplerate,
00069                         bool capturing,
00070                         bool playing,
00071                         int inchannels,
00072                         int outchannels,
00073                         bool monitor,
00074                         const char* capture_driver_name,
00075                         const char* playback_driver_name,
00076                         jack_nframes_t capture_latency,
00077                         jack_nframes_t playback_latency);
00078 
00079         virtual int Open(bool capturing,
00080                         bool playing,
00081                         int inchannels,
00082                         int outchannels,
00083                         bool monitor,
00084                         const char* capture_driver_name,
00085                         const char* playback_driver_name,
00086                         jack_nframes_t capture_latency,
00087                         jack_nframes_t playback_latency);
00088 
00089         virtual int Process();
00090         virtual int ProcessNull();
00091 
00092         virtual int Attach();
00093         virtual int Detach();
00094 
00095         virtual int Start();
00096         virtual int Stop();
00097 
00098         virtual int Write();
00099 
00100         virtual int SetBufferSize(jack_nframes_t buffer_size);
00101         virtual int SetSampleRate(jack_nframes_t sample_rate);
00102 
00103         virtual int ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2);
00104 
00105 };
00106 
00107 } // end of namespace
00108 
00109 #endif