116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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Copyright (C) 2004 Grame
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __JackAlsaDriver__
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#define __JackAlsaDriver__
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#include "JackAudioDriver.h"
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#include "JackThreadedDriver.h"
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#include "JackTime.h"
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#include "alsa_driver.h"
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namespace Jack
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{
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/*!
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\brief The ALSA driver.
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*/
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class JackAlsaDriver : public JackAudioDriver
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{
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private:
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jack_driver_t* fDriver;
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jack_native_thread_t fReservationLoopThread;
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void UpdateLatencies();
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public:
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JackAlsaDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)
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: JackAudioDriver(name, alias, engine, table),fDriver(NULL)
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{}
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virtual ~JackAlsaDriver()
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{}
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int Open(jack_nframes_t buffer_size,
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jack_nframes_t user_nperiods,
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jack_nframes_t samplerate,
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bool hw_monitoring,
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bool hw_metering,
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bool capturing,
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bool playing,
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DitherAlgorithm dither,
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bool soft_mode,
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bool monitor,
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int inchannels,
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int outchannels,
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bool shorts_first,
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const char* capture_driver_name,
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const char* playback_driver_name,
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jack_nframes_t capture_latency,
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jack_nframes_t playback_latency,
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const char* midi_driver_name);
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int Close();
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int Attach();
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int Detach();
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int Start();
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int Stop();
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int Read();
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int Write();
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// BufferSize can be changed
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bool IsFixedBufferSize()
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{
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return false;
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}
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int SetBufferSize(jack_nframes_t buffer_size);
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void ReadInputAux(jack_nframes_t orig_nframes, snd_pcm_sframes_t contiguous, snd_pcm_sframes_t nread);
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void MonitorInputAux();
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void ClearOutputAux();
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void WriteOutputAux(jack_nframes_t orig_nframes, snd_pcm_sframes_t contiguous, snd_pcm_sframes_t nwritten);
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void SetTimetAux(jack_time_t time);
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int PortSetDeviceMetadata(jack_port_id_t port_id, const char* pretty_name);
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// JACK API emulation for the midi driver
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int is_realtime() const;
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int create_thread(pthread_t *thread, int prio, int rt, void *(*start_func)(void*), void *arg);
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jack_port_id_t port_register(const char *port_name, const char *port_type, unsigned long flags, unsigned long buffer_size);
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int port_unregister(jack_port_id_t port_index);
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void* port_get_buffer(int port, jack_nframes_t nframes);
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int port_set_alias(int port, const char* name);
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jack_nframes_t get_sample_rate() const;
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jack_nframes_t frame_time() const;
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jack_nframes_t last_frame_time() const;
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};
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} // end of namespace
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#endif
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