/[svn]/linuxsampler/trunk/src/drivers/audio/AudioOutputDeviceJack.h
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Diff of /linuxsampler/trunk/src/drivers/audio/AudioOutputDeviceJack.h

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revision 2411 by schoenebeck, Sat Feb 2 18:52:15 2013 UTC revision 2412 by schoenebeck, Mon Feb 4 21:52:56 2013 UTC
# Line 40  Line 40 
40  #endif  #endif
41    
42  namespace LinuxSampler {  namespace LinuxSampler {
43        
44        class JackClient;
45        class JackListener;
46    
47      /** JACK audio output driver      /** JACK audio output driver
48       *       *
# Line 133  namespace LinuxSampler { Line 136  namespace LinuxSampler {
136    
137              int Process(uint Samples);  // FIXME: should be private              int Process(uint Samples);  // FIXME: should be private
138              void UpdateJackBuffers(uint size);              void UpdateJackBuffers(uint size);
139                void addListener(JackListener* listener);
140                jack_client_t* jackClientHandle();
141          protected:          protected:
142              AudioOutputDeviceJack(String* AutoConnectPortIDs = NULL, uint AutoConnectPorts = 0);              AudioOutputDeviceJack(String* AutoConnectPortIDs = NULL, uint AutoConnectPorts = 0);
143          private:          private:
144              ConditionServer csIsPlaying;              ConditionServer csIsPlaying;
145              uint            uiMaxSamplesPerCycle;              uint            uiMaxSamplesPerCycle;
146              jack_client_t*  hJackClient;              jack_client_t*  hJackClient;
147                JackClient* pJackClient;
148      };      };
149    
150      // Callback functions for the libjack API      // Callback functions for the libjack API
151      int  linuxsampler_libjack_process_callback(jack_nframes_t nframes, void* arg);      int  linuxsampler_libjack_process_callback(jack_nframes_t nframes, void* arg);
     void linuxsampler_libjack_shutdown_callback(void* arg);  
   
152    
153      /** JACK client      /** JACK client
154       *       *
# Line 166  namespace LinuxSampler { Line 170  namespace LinuxSampler {
170              #if HAVE_JACK_MIDI              #if HAVE_JACK_MIDI
171              void SetMidiInputDevice(MidiInputDeviceJack* device);              void SetMidiInputDevice(MidiInputDeviceJack* device);
172              #endif              #endif
173                void addListener(JackListener* listener);
174    
175              jack_client_t* hJackClient;              jack_client_t* hJackClient;
176    
177          private:          private:
178                std::vector<JackListener*> jackListeners;
179              static std::map<String, JackClient*> Clients;              static std::map<String, JackClient*> Clients;
180              struct config_t {              struct config_t {
181                  AudioOutputDeviceJack* AudioDevice;                  AudioOutputDeviceJack* AudioDevice;
# Line 186  namespace LinuxSampler { Line 192  namespace LinuxSampler {
192              ~JackClient();              ~JackClient();
193                    
194              // Callback functions for the libjack API              // Callback functions for the libjack API
195                static void libjackShutdownCallback(void* arg);
196              static int libjackSampleRateCallback(jack_nframes_t nframes, void *arg);              static int libjackSampleRateCallback(jack_nframes_t nframes, void *arg);
197              static int libjackBufferSizeCallback(jack_nframes_t nframes, void *arg);              static int libjackBufferSizeCallback(jack_nframes_t nframes, void *arg);
198      };      };
199        
200        /**
201         * Currently not derived / instantiated by the sampler itself, however this
202         * class can be subclassed and used i.e. by a GUI build on top of the sampler,
203         * to react on JACK events. Because registering JACK callback functions through
204         * the general JACK API is not possible after the JACK client has been activated,
205         * and the latter is already the case as soon as an AudioOutputDeviceJack object
206         * has been instantiated.
207         */
208        class JackListener {
209        public:
210            virtual void onJackShutdown() = 0;
211        };
212  }  }
213    
214  #endif // HAVE_JACK  #endif // HAVE_JACK
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