windows/JackRouter/JackRouter.h

   1 /*
   2  Copyright (C) 2006-2011 Grame
   3
   4  Permission is hereby granted, free of charge, to any person obtaining
   5  a copy of this software and associated documentation files
   6  (the "Software"), to deal in the Software without restriction,
   7  including without limitation the rights to use, copy, modify, merge,
   8  publish, distribute, sublicense, and/or sell copies of the Software,
   9  and to permit persons to whom the Software is furnished to do so,
  10  subject to the following conditions:
  11
  12  The above copyright notice and this permission notice shall be
  13  included in all copies or substantial portions of the Software.
  14
  15  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  19  ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  20  CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 */
  24
  25 #ifndef _asiosmpl_
  26 #define _asiosmpl_
  27
  28 #include "asiosys.h"
  29
  30 // Globals
  31 static int      kBlockFrames = 256;
  32 static int      kNumInputs = 4;
  33 static int      kNumOutputs = 4;
  34
  35 #if WINDOWS
  36
  37 #include "jack.h"
  38 #include "rpc.h"
  39 #include "rpcndr.h"
  40 #ifndef COM_NO_WINDOWS_H
  41 #include <windows.h>
  42 #include "ole2.h"
  43
  44 #endif
  45
  46 #include "combase.h"
  47 #include "iasiodrv.h"
  48
  49 #define PATH_SEP "\\"
  50
  51 #include <list>
  52 #include <string>
  53
  54 class JackRouter : public IASIO, public CUnknown
  55 {
  56 public:
  57         JackRouter(LPUNKNOWN pUnk, HRESULT *phr);
  58         ~JackRouter();
  59
  60         DECLARE_IUNKNOWN
  61     //STDMETHODIMP QueryInterface(REFIID riid, void **ppv) {      \
  62     //    return GetOwner()->QueryInterface(riid,ppv);            \
  63     //};                                                          \
  64     //STDMETHODIMP_(ULONG) AddRef() {                             \
  65     //    return GetOwner()->AddRef();                            \
  66     //};                                                          \
  67     //STDMETHODIMP_(ULONG) Release() {                            \
  68     //    return GetOwner()->Release();                           \
  69     //};
  70
  71         // Factory method
  72         static CUnknown *CreateInstance(LPUNKNOWN pUnk, HRESULT *phr);
  73         // IUnknown
  74         virtual HRESULT STDMETHODCALLTYPE NonDelegatingQueryInterface(REFIID riid,void **ppvObject);
  75 #else
  76
  77 #include "asiodrvr.h"
  78
  79 //---------------------------------------------------------------------------------------------
  80 class JackRouter : public AsioDriver
  81 {
  82 public:
  83         JackRouter();
  84         ~JackRouter();
  85 #endif
  86
  87         static int processCallback(jack_nframes_t nframes, void* arg);
  88     static void connectCallback(jack_port_id_t a, jack_port_id_t b, int connect, void* arg);
  89         static void shutdownCallback(void* arg);
  90
  91         ASIOBool init(void* sysRef);
  92         void getDriverName(char *name);         // max 32 bytes incl. terminating zero
  93         long getDriverVersion();
  94         void getErrorMessage(char *string);     // max 128 bytes incl.
  95
  96         ASIOError start();
  97         ASIOError stop();
  98
  99         ASIOError getChannels(long *numInputChannels, long *numOutputChannels);
 100         ASIOError getLatencies(long *inputLatency, long *outputLatency);
 101         ASIOError getBufferSize(long *minSize, long *maxSize,
 102                 long *preferredSize, long *granularity);
 103
 104         ASIOError canSampleRate(ASIOSampleRate sampleRate);
 105         ASIOError getSampleRate(ASIOSampleRate *sampleRate);
 106         ASIOError setSampleRate(ASIOSampleRate sampleRate);
 107         ASIOError getClockSources(ASIOClockSource *clocks, long *numSources);
 108         ASIOError setClockSource(long index);
 109
 110         ASIOError getSamplePosition(ASIOSamples *sPos, ASIOTimeStamp *tStamp);
 111         ASIOError getChannelInfo(ASIOChannelInfo *info);
 112
 113         ASIOError createBuffers(ASIOBufferInfo *bufferInfos, long numChannels,
 114                 long bufferSize, ASIOCallbacks *callbacks);
 115         ASIOError disposeBuffers();
 116
 117         ASIOError controlPanel();
 118         ASIOError future(long selector, void *opt);
 119         ASIOError outputReady();
 120
 121         void bufferSwitch();
 122         long getMilliSeconds() {return fMilliSeconds;}
 123
 124         static std::list<std::pair<std::string, std::string> > fConnections;  // Connections list
 125
 126 private:
 127
 128         void bufferSwitchX();
 129
 130         double fSamplePosition;
 131         ASIOCallbacks* fCallbacks;
 132         ASIOTime fAsioTime;
 133         ASIOTimeStamp fTheSystemTime;
 134
 135         void** fInputBuffers;
 136         void** fOutputBuffers;
 137
 138         long* fInMap;
 139         long* fOutMap;
 140
 141         long fInputLatency;
 142         long fOutputLatency;
 143         long fActiveInputs;
 144         long fActiveOutputs;
 145         long fToggle;
 146         long fMilliSeconds;
 147         bool fRunning;
 148         bool fFirstActivate;
 149     bool fFloatSample;
 150     bool fAliasSystem;
 151         bool fTimeInfoMode, fTcRead;
 152         char fErrorMessage[128];
 153
 154         bool fAutoConnectIn;
 155         bool fAutoConnectOut;
 156
 157         // Jack part
 158         jack_client_t* fClient;
 159         jack_port_t** fInputPorts;
 160         jack_port_t** fOutputPorts;
 161         long fBufferSize;
 162         ASIOSampleRate fSampleRate;
 163
 164         void autoConnect();
 165         void saveConnections();
 166     void restoreConnections();
 167
 168     void processInputs();
 169     void processOutputs();
 170
 171 };
 172
 173 #endif
 174