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00020 #ifndef __JackPortAudioDriver__
00021 #define __JackPortAudioDriver__
00022
00023 #include "JackAudioDriver.h"
00024 #include "JackPortAudioDevices.h"
00025 #include "JackMMCSS.h"
00026
00027 namespace Jack
00028 {
00029
00034 class JackPortAudioDriver : public JackMMCSS, public JackAudioDriver
00035 {
00036
00037 private:
00038
00039 PortAudioDevices* fPaDevices;
00040 PaStream* fStream;
00041 jack_default_audio_sample_t** fInputBuffer;
00042 jack_default_audio_sample_t** fOutputBuffer;
00043 PaDeviceIndex fInputDevice;
00044 PaDeviceIndex fOutputDevice;
00045
00046 static int Render(const void* inputBuffer, void* outputBuffer,
00047 unsigned long framesPerBuffer,
00048 const PaStreamCallbackTimeInfo* timeInfo,
00049 PaStreamCallbackFlags statusFlags,
00050 void* userData);
00051
00052 PaError OpenStream(jack_nframes_t buffer_size);
00053 void UpdateLatencies();
00054
00055 public:
00056
00057 JackPortAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table, PortAudioDevices* pa_devices)
00058 : JackMMCSS(), JackAudioDriver(name, alias, engine, table), fStream(NULL), fInputBuffer(NULL), fOutputBuffer(NULL),
00059 fInputDevice(paNoDevice), fOutputDevice(paNoDevice)
00060 {
00061 fPaDevices = pa_devices;
00062 }
00063
00064 virtual ~JackPortAudioDriver()
00065 {
00066 delete fPaDevices;
00067 }
00068
00069 int Open(jack_nframes_t buffe_size,
00070 jack_nframes_t samplerate,
00071 bool capturing,
00072 bool playing,
00073 int chan_in,
00074 int chan_out,
00075 bool monitor,
00076 const char* capture_driver_name,
00077 const char* playback_driver_name,
00078 jack_nframes_t capture_latency,
00079 jack_nframes_t playback_latency);
00080
00081 int Close();
00082
00083 int Start();
00084 int Stop();
00085
00086 int Read();
00087 int Write();
00088
00089
00090 bool IsFixedBufferSize()
00091 {
00092 return false;
00093 }
00094
00095 int SetBufferSize(jack_nframes_t buffer_size);
00096 };
00097
00098 }
00099
00100 #endif