First import

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@1195 0c269be4-1314-0410-8aa9-9f06e86f4224

1 files changed, 88 insertions, 0 deletions

diff --git a/common/JackAudioDriver.h b/common/JackAudioDriver.h
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+/*
+Copyright (C) 2001 Paul Davis 
+Copyright (C) 2004-2006 Grame
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __JackAudioDriver__
+#define __JackAudioDriver__
+
+#include "JackDriver.h"
+
+
+namespace Jack
+{
+
+/*!
+\brief The base class for audio drivers: drivers with audio ports.
+*/
+
+class EXPORT JackAudioDriver : public JackDriver
+{
+
+    protected:
+
+        int fCaptureChannels;
+        int fPlaybackChannels;
+
+        // static tables since the actual number of ports may be changed by the real driver
+        // thus dynamic allocation is more difficult to handle
+        jack_port_id_t fCapturePortList[PORT_NUM];
+        jack_port_id_t fPlaybackPortList[PORT_NUM];
+        jack_port_id_t fMonitorPortList[PORT_NUM];
+
+        bool fWithMonitorPorts;
+
+        jack_default_audio_sample_t* GetInputBuffer(int port_index);
+        jack_default_audio_sample_t* GetOutputBuffer(int port_index);
+        jack_default_audio_sample_t* GetMonitorBuffer(int port_index);
+
+    private:
+
+        int ProcessAsync();
+        int ProcessSync();
+
+    public:
+
+        JackAudioDriver(const char* name, JackEngine* engine, JackSynchro** table);
+        virtual ~JackAudioDriver();
+
+        virtual int Process();
+
+        virtual int Open(jack_nframes_t nframes,
+                         jack_nframes_t samplerate,
+                         int capturing,
+                         int playing,
+                         int inchannels,
+                         int outchannels,
+                         bool monitor,
+                         const char* capture_driver_name,
+                         const char* playback_driver_name,
+                         jack_nframes_t capture_latency,
+                         jack_nframes_t playback_latency);
+
+        virtual int Attach();
+        virtual int Detach();
+        virtual int Write();
+
+        virtual void NotifyXRun(jack_time_t callback_usecs); // XRun notification sent by the driver
+
+};
+
+} // end of namespace
+
+#endif