get started on coreaudio/midi backend
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@ -17,7 +17,7 @@ export ARDOUR_DATA_PATH=$TOP:$TOP/build:$TOP/gtk2_ardour:$TOP/build/gtk2_ardour:
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export ARDOUR_MIDIMAPS_PATH=$TOP/midi_maps:.
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export ARDOUR_MCP_PATH=$TOP/mcp:.
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export ARDOUR_EXPORT_FORMATS_PATH=$TOP/export:.
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export ARDOUR_BACKEND_PATH=$libs/backends/jack:$libs/backends/wavesaudio:$libs/backends/dummy:$libs/backends/alsa
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export ARDOUR_BACKEND_PATH=$libs/backends/jack:$libs/backends/wavesaudio:$libs/backends/dummy:$libs/backends/alsa:$libs/backends/coreaudio
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export ARDOUR_TEST_PATH=$TOP/libs/ardour/test/data
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export PBD_TEST_PATH=$TOP/libs/pbd/test
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export EVORAL_TEST_PATH=$TOP/libs/evoral/test/testdata
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,428 @@
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/*
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* Copyright (C) 2014 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2013 Paul Davis
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*
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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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*
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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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*
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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 __libbackend_coreaudio_backend_h__
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#define __libbackend_coreaudio_backend_h__
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#include <string>
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#include <vector>
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#include <map>
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#include <set>
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#include <stdint.h>
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#include <pthread.h>
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#include <boost/shared_ptr.hpp>
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#include "ardour/audio_backend.h"
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#include "ardour/types.h"
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#include "coreaudio_pcmio.h"
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#include "coremidi_io.h"
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namespace ARDOUR {
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class CoreAudioBackend;
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class CoreMidiEvent {
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public:
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CoreMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size);
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CoreMidiEvent (const CoreMidiEvent& other);
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~CoreMidiEvent ();
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size_t size () const { return _size; };
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pframes_t timestamp () const { return _timestamp; };
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const unsigned char* const_data () const { return _data; };
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unsigned char* data () { return _data; };
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bool operator< (const CoreMidiEvent &other) const { return timestamp () < other.timestamp (); };
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private:
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size_t _size;
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pframes_t _timestamp;
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uint8_t *_data;
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};
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typedef std::vector<boost::shared_ptr<CoreMidiEvent> > CoreMidiBuffer;
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class CoreBackendPort {
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protected:
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CoreBackendPort (CoreAudioBackend &b, const std::string&, PortFlags);
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public:
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virtual ~CoreBackendPort ();
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const std::string& name () const { return _name; }
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PortFlags flags () const { return _flags; }
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int set_name (const std::string &name) { _name = name; return 0; }
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virtual DataType type () const = 0;
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bool is_input () const { return flags () & IsInput; }
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bool is_output () const { return flags () & IsOutput; }
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bool is_physical () const { return flags () & IsPhysical; }
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bool is_terminal () const { return flags () & IsTerminal; }
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bool is_connected () const { return _connections.size () != 0; }
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bool is_connected (const CoreBackendPort *port) const;
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bool is_physically_connected () const;
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const std::vector<CoreBackendPort *>& get_connections () const { return _connections; }
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int connect (CoreBackendPort *port);
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int disconnect (CoreBackendPort *port);
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void disconnect_all ();
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virtual void* get_buffer (pframes_t nframes) = 0;
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const LatencyRange& latency_range (bool for_playback) const
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{
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return for_playback ? _playback_latency_range : _capture_latency_range;
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}
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void set_latency_range (const LatencyRange &latency_range, bool for_playback)
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{
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if (for_playback)
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{
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_playback_latency_range = latency_range;
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}
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else
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{
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_capture_latency_range = latency_range;
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}
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}
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private:
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CoreAudioBackend &_osx_backend;
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std::string _name;
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const PortFlags _flags;
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LatencyRange _capture_latency_range;
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LatencyRange _playback_latency_range;
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std::vector<CoreBackendPort*> _connections;
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void _connect (CoreBackendPort* , bool);
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void _disconnect (CoreBackendPort* , bool);
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}; // class CoreBackendPort
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class CoreAudioPort : public CoreBackendPort {
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public:
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CoreAudioPort (CoreAudioBackend &b, const std::string&, PortFlags);
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~CoreAudioPort ();
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DataType type () const { return DataType::AUDIO; };
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Sample* buffer () { return _buffer; }
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const Sample* const_buffer () const { return _buffer; }
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void* get_buffer (pframes_t nframes);
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private:
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Sample _buffer[8192];
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}; // class CoreAudioPort
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class CoreMidiPort : public CoreBackendPort {
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public:
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CoreMidiPort (CoreAudioBackend &b, const std::string&, PortFlags);
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~CoreMidiPort ();
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DataType type () const { return DataType::MIDI; };
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void* get_buffer (pframes_t nframes);
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const CoreMidiBuffer * const_buffer () const { return & _buffer[_bufperiod]; }
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void next_period() { if (_n_periods > 1) { get_buffer(0); _bufperiod = (_bufperiod + 1) % _n_periods; } }
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void set_n_periods(int n) { if (n > 0 && n < 3) { _n_periods = n; } }
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private:
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CoreMidiBuffer _buffer[2];
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int _n_periods;
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int _bufperiod;
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}; // class CoreMidiPort
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class CoreAudioBackend : public AudioBackend {
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friend class CoreBackendPort;
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public:
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CoreAudioBackend (AudioEngine& e, AudioBackendInfo& info);
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~CoreAudioBackend ();
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/* AUDIOBACKEND API */
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std::string name () const;
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bool is_realtime () const;
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std::vector<DeviceStatus> enumerate_devices () const;
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std::vector<float> available_sample_rates (const std::string& device) const;
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std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
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uint32_t available_input_channel_count (const std::string& device) const;
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uint32_t available_output_channel_count (const std::string& device) const;
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bool can_change_sample_rate_when_running () const;
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bool can_change_buffer_size_when_running () const;
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int set_device_name (const std::string&);
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int set_sample_rate (float);
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int set_buffer_size (uint32_t);
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int set_interleaved (bool yn);
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int set_input_channels (uint32_t);
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int set_output_channels (uint32_t);
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int set_systemic_input_latency (uint32_t);
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int set_systemic_output_latency (uint32_t);
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int set_systemic_midi_input_latency (std::string const, uint32_t);
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int set_systemic_midi_output_latency (std::string const, uint32_t);
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int reset_device () { return 0; };
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/* Retrieving parameters */
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std::string device_name () const;
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float sample_rate () const;
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uint32_t buffer_size () const;
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bool interleaved () const;
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uint32_t input_channels () const;
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uint32_t output_channels () const;
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uint32_t systemic_input_latency () const;
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uint32_t systemic_output_latency () const;
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uint32_t systemic_midi_input_latency (std::string const) const;
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uint32_t systemic_midi_output_latency (std::string const) const;
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bool can_set_systemic_midi_latencies () const { return false; /* XXX */}
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/* External control app */
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std::string control_app_name () const { return std::string (); }
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void launch_control_app () {}
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/* MIDI */
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std::vector<std::string> enumerate_midi_options () const;
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int set_midi_option (const std::string&);
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std::string midi_option () const;
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std::vector<DeviceStatus> enumerate_midi_devices () const;
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int set_midi_device_enabled (std::string const, bool);
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bool midi_device_enabled (std::string const) const;
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// really private, but needing static access:
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int process_callback();
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void error_callback();
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protected:
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/* State Control */
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int _start (bool for_latency_measurement);
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public:
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int stop ();
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int freewheel (bool);
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float dsp_load () const;
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size_t raw_buffer_size (DataType t);
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/* Process time */
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framepos_t sample_time ();
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framepos_t sample_time_at_cycle_start ();
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pframes_t samples_since_cycle_start ();
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int create_process_thread (boost::function<void()> func);
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int join_process_threads ();
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bool in_process_thread ();
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uint32_t process_thread_count ();
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void update_latencies ();
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/* PORTENGINE API */
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void* private_handle () const;
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const std::string& my_name () const;
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bool available () const;
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uint32_t port_name_size () const;
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int set_port_name (PortHandle, const std::string&);
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std::string get_port_name (PortHandle) const;
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PortHandle get_port_by_name (const std::string&) const;
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int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
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DataType port_data_type (PortHandle) const;
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PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
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void unregister_port (PortHandle);
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int connect (const std::string& src, const std::string& dst);
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int disconnect (const std::string& src, const std::string& dst);
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int connect (PortHandle, const std::string&);
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int disconnect (PortHandle, const std::string&);
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int disconnect_all (PortHandle);
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bool connected (PortHandle, bool process_callback_safe);
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bool connected_to (PortHandle, const std::string&, bool process_callback_safe);
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bool physically_connected (PortHandle, bool process_callback_safe);
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int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
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/* MIDI */
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int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index);
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int midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
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uint32_t get_midi_event_count (void* port_buffer);
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void midi_clear (void* port_buffer);
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/* Monitoring */
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bool can_monitor_input () const;
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int request_input_monitoring (PortHandle, bool);
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int ensure_input_monitoring (PortHandle, bool);
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bool monitoring_input (PortHandle);
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/* Latency management */
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void set_latency_range (PortHandle, bool for_playback, LatencyRange);
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LatencyRange get_latency_range (PortHandle, bool for_playback);
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/* Discovering physical ports */
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bool port_is_physical (PortHandle) const;
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void get_physical_outputs (DataType type, std::vector<std::string>&);
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void get_physical_inputs (DataType type, std::vector<std::string>&);
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ChanCount n_physical_outputs () const;
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ChanCount n_physical_inputs () const;
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/* Getting access to the data buffer for a port */
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void* get_buffer (PortHandle, pframes_t);
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void* freewheel_thread ();
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void post_process ();
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void coremidi_rediscover ();
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private:
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std::string _instance_name;
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CoreAudioPCM *_pcmio;
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CoreMidiIo *_midiio;
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bool _run; /* keep going or stop, ardour thread */
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bool _active_ca; /* is running, process thread */
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bool _active_fw; /* is running, process thread */
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bool _preinit;
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bool _freewheeling;
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bool _freewheel;
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bool _freewheel_ack;
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bool _reinit_thread_callback;
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bool _measure_latency;
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pthread_mutex_t _process_callback_mutex;
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static std::vector<std::string> _midi_options;
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static std::vector<AudioBackend::DeviceStatus> _audio_device_status;
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static std::vector<AudioBackend::DeviceStatus> _midi_device_status;
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mutable std::string _audio_device;
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std::string _midi_driver_option;
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/* audio settings */
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float _samplerate;
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size_t _samples_per_period;
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static size_t _max_buffer_size;
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uint32_t _n_inputs;
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uint32_t _n_outputs;
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uint32_t _systemic_audio_input_latency;
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uint32_t _systemic_audio_output_latency;
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/* midi settings */
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struct CoreMidiDeviceInfo {
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bool enabled;
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uint32_t systemic_input_latency;
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uint32_t systemic_output_latency;
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CoreMidiDeviceInfo()
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: enabled (true)
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, systemic_input_latency (0)
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, systemic_output_latency (0)
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{}
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};
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mutable std::map<std::string, struct CoreMidiDeviceInfo *> _midi_devices;
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struct CoreMidiDeviceInfo * midi_device_info(std::string const) const;
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/* processing */
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float _dsp_load;
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uint64_t _processed_samples;
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pthread_t _main_thread;
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pthread_t _freeewheel_thread;
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/* process threads */
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static void* coreaudio_process_thread (void *);
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std::vector<pthread_t> _threads;
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struct ThreadData {
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CoreAudioBackend* engine;
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boost::function<void ()> f;
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size_t stacksize;
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ThreadData (CoreAudioBackend* e, boost::function<void ()> fp, size_t stacksz)
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: engine (e) , f (fp) , stacksize (stacksz) {}
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};
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/* port engine */
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PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
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int register_system_audio_ports ();
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int register_system_midi_ports ();
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void unregister_ports (bool system_only = false);
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std::vector<CoreBackendPort *> _ports;
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std::vector<CoreBackendPort *> _system_inputs;
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std::vector<CoreBackendPort *> _system_outputs;
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std::vector<CoreBackendPort *> _system_midi_in;
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std::vector<CoreBackendPort *> _system_midi_out;
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//std::vector<CoreMidiOut *> _rmidi_out;
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//std::vector<CoreMidiIn *> _rmidi_in;
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struct PortConnectData {
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std::string a;
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std::string b;
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bool c;
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PortConnectData (const std::string& a, const std::string& b, bool c)
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: a (a) , b (b) , c (c) {}
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};
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std::vector<PortConnectData *> _port_connection_queue;
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pthread_mutex_t _port_callback_mutex;
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bool _port_change_flag;
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void port_connect_callback (const std::string& a, const std::string& b, bool conn) {
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pthread_mutex_lock (&_port_callback_mutex);
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_port_connection_queue.push_back(new PortConnectData(a, b, conn));
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pthread_mutex_unlock (&_port_callback_mutex);
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}
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void port_connect_add_remove_callback () {
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pthread_mutex_lock (&_port_callback_mutex);
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_port_change_flag = true;
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pthread_mutex_unlock (&_port_callback_mutex);
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}
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bool valid_port (PortHandle port) const {
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return std::find (_ports.begin (), _ports.end (), (CoreBackendPort*)port) != _ports.end ();
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}
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CoreBackendPort * find_port (const std::string& port_name) const {
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for (std::vector<CoreBackendPort*>::const_iterator it = _ports.begin (); it != _ports.end (); ++it) {
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if ((*it)->name () == port_name) {
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return *it;
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}
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}
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return NULL;
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}
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}; // class CoreAudioBackend
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} // namespace
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#endif /* __libbackend_coreaudio_backend_h__ */
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@ -0,0 +1,483 @@
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/*
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* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
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*
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* 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
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||||
* (at your option) any later version.
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*
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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
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "coreaudio_pcmio.h"
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#include <string>
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|
||||
|
||||
static OSStatus hardwarePropertyChangeCallback (AudioHardwarePropertyID inPropertyID, void* arg) {
|
||||
if (inPropertyID == kAudioHardwarePropertyDevices) {
|
||||
CoreAudioPCM * self = static_cast<CoreAudioPCM*>(arg);
|
||||
self->hwPropertyChange();
|
||||
}
|
||||
return noErr;
|
||||
}
|
||||
|
||||
CoreAudioPCM::CoreAudioPCM ()
|
||||
: _auhal (0)
|
||||
, _deviceIDs (0)
|
||||
, _inputAudioBufferList (0)
|
||||
, _state (-1)
|
||||
, _capture_channels (0)
|
||||
, _playback_channels (0)
|
||||
, _in_process (false)
|
||||
, _numDevices (0)
|
||||
, _process_callback (0)
|
||||
, _error_callback (0)
|
||||
, _device_ins (0)
|
||||
, _device_outs (0)
|
||||
{
|
||||
#ifdef COREAUDIO_108 // TODO
|
||||
CFRunLoopRef theRunLoop = NULL;
|
||||
AudioObjectPropertyAddress property = { kAudioHardwarePropertyRunLoop, kAudioObjectPropertyScopeGlobal, kAudioHardwarePropertyDevices };
|
||||
AudioObjectSetPropertyData (kAudioObjectSystemObject, &property, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);
|
||||
#endif
|
||||
AudioHardwareAddPropertyListener (kAudioHardwarePropertyDevices, hardwarePropertyChangeCallback, this);
|
||||
}
|
||||
|
||||
CoreAudioPCM::~CoreAudioPCM ()
|
||||
{
|
||||
if (_state == 0) {
|
||||
pcm_stop();
|
||||
}
|
||||
delete _deviceIDs;
|
||||
free(_device_ins);
|
||||
free(_device_outs);
|
||||
AudioHardwareRemovePropertyListener(kAudioHardwarePropertyDevices, hardwarePropertyChangeCallback);
|
||||
free(_inputAudioBufferList);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
CoreAudioPCM::hwPropertyChange() {
|
||||
printf("hardwarePropertyChangeCallback\n");
|
||||
discover();
|
||||
}
|
||||
|
||||
void
|
||||
CoreAudioPCM::discover() {
|
||||
OSStatus err;
|
||||
UInt32 propSize = 0;
|
||||
|
||||
// TODO trymutex lock.
|
||||
|
||||
if (_deviceIDs) {
|
||||
delete _deviceIDs; _deviceIDs = 0;
|
||||
free(_device_ins); _device_ins = 0;
|
||||
free(_device_outs); _device_outs = 0;
|
||||
}
|
||||
_devices.clear();
|
||||
|
||||
#ifdef COREAUDIO_108
|
||||
AudioObjectPropertyAddress propertyAddress;
|
||||
propertyAddress.mSelector = kAudioHardwarePropertyDevices;
|
||||
propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
|
||||
propertyAddress.mElement = kAudioObjectPropertyElementMaster;
|
||||
err = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &propSize);
|
||||
#else
|
||||
err = AudioHardwareGetPropertyInfo (kAudioHardwarePropertyDevices, &propSize, NULL);
|
||||
#endif
|
||||
|
||||
_numDevices = propSize / sizeof (AudioDeviceID);
|
||||
propSize = _numDevices * sizeof (AudioDeviceID);
|
||||
|
||||
_deviceIDs = new AudioDeviceID[_numDevices];
|
||||
_device_ins = (uint32_t*) calloc(_numDevices, sizeof(uint32_t));
|
||||
_device_outs = (uint32_t*) calloc(_numDevices, sizeof(uint32_t));
|
||||
|
||||
#ifdef COREAUDIO_108
|
||||
propertyAddress.mSelector = kAudioHardwarePropertyDevices;
|
||||
err = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &propSize, _deviceIDs);
|
||||
#else
|
||||
err = AudioHardwareGetProperty (kAudioHardwarePropertyDevices, &propSize, _deviceIDs);
|
||||
#endif
|
||||
|
||||
for (size_t deviceIndex = 0; deviceIndex < _numDevices; deviceIndex++) {
|
||||
propSize = 64;
|
||||
char deviceName[64];
|
||||
#ifdef COREAUDIO_108
|
||||
propertyAddress.mSelector = kAudioDevicePropertyDeviceName;
|
||||
propertyAddress.mScope = kAudioDevicePropertyScopeOutput;
|
||||
err = AudioObjectGetPropertyData(_deviceIDs[deviceIndex], &propertyAddress, 0, NULL, &propSize, deviceName);
|
||||
#else
|
||||
err = AudioDeviceGetProperty(_deviceIDs[deviceIndex], 0, 0, kAudioDevicePropertyDeviceName, &propSize, deviceName);
|
||||
#endif
|
||||
|
||||
if (kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "device name query failed: %i\n", err);
|
||||
continue;
|
||||
}
|
||||
|
||||
UInt32 size;
|
||||
UInt32 outputChannelCount = 0;
|
||||
UInt32 inputChannelCount = 0;
|
||||
AudioBufferList *bufferList = NULL;
|
||||
|
||||
/* query number of inputs */
|
||||
#ifdef COREAUDIO_108
|
||||
size = 0;
|
||||
propertyAddress.mSelector = kAudioDevicePropertyStreamConfiguration;
|
||||
propertyAddress.mScope = kAudioDevicePropertyScopeOutput;
|
||||
err = AudioObjectGetPropertyDataSize(_deviceIDs[deviceIndex], &propertyAddress, 0, NULL, &size);
|
||||
if (kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "kAudioDevicePropertyStreamConfiguration failed: %i\n", err);
|
||||
continue;
|
||||
}
|
||||
|
||||
bufferList = (AudioBufferList *)(malloc(size));
|
||||
assert(bufferList);
|
||||
if (!bufferList) { fprintf(stderr, "OUT OF MEMORY\n"); break; }
|
||||
|
||||
err = AudioObjectGetPropertyData(_deviceIDs[deviceIndex], &propertyAddress, 0, NULL, &size, bufferList);
|
||||
|
||||
#else
|
||||
err = AudioDeviceGetPropertyInfo (_deviceIDs[deviceIndex], 0, AUHAL_OUTPUT_ELEMENT, kAudioDevicePropertyStreamConfiguration, &propSize, NULL);
|
||||
if (kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "kAudioDevicePropertyStreamConfiguration failed: %i\n", err);
|
||||
continue;
|
||||
}
|
||||
bufferList = (AudioBufferList *)(malloc(size));
|
||||
assert(bufferList);
|
||||
if (!bufferList) { fprintf(stderr, "OUT OF MEMORY\n"); break; }
|
||||
|
||||
bufferList->mNumberBuffers = 0;
|
||||
err = AudioDeviceGetProperty(_deviceIDs[deviceIndex], 0, AUHAL_OUTPUT_ELEMENT, kAudioDevicePropertyStreamConfiguration, &size, bufferList);
|
||||
#endif
|
||||
if(kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "kAudioDevicePropertyStreamConfiguration failed: %i\n", err);
|
||||
free(bufferList);
|
||||
continue;
|
||||
}
|
||||
|
||||
for(UInt32 j = 0; j < bufferList->mNumberBuffers; ++j) {
|
||||
outputChannelCount += bufferList->mBuffers[j].mNumberChannels;
|
||||
}
|
||||
free(bufferList);
|
||||
|
||||
|
||||
/* query number of inputs */
|
||||
#ifdef COREAUDIO_108
|
||||
size = 0;
|
||||
propertyAddress.mSelector = kAudioDevicePropertyStreamConfiguration;
|
||||
propertyAddress.mScope = kAudioDevicePropertyScopeInput;
|
||||
err = AudioObjectGetPropertyDataSize(_deviceIDs[deviceIndex], &propertyAddress, 0, NULL, &size);
|
||||
if (kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "kAudioDevicePropertyStreamConfiguration failed: %i\n", err);
|
||||
continue;
|
||||
}
|
||||
|
||||
bufferList = (AudioBufferList *)(malloc(size));
|
||||
assert(bufferList);
|
||||
if (!bufferList) { fprintf(stderr, "OUT OF MEMORY\n"); break; }
|
||||
|
||||
err = AudioObjectGetPropertyData(_deviceIDs[deviceIndex], &propertyAddress, 0, NULL, &size, bufferList);
|
||||
#else
|
||||
err = AudioDeviceGetPropertyInfo (_deviceIDs[deviceIndex], 0, AUHAL_INPUT_ELEMENT, kAudioDevicePropertyStreamConfiguration, &propSize, NULL);
|
||||
if (kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "kAudioDevicePropertyStreamConfiguration failed: %i\n", err);
|
||||
continue;
|
||||
}
|
||||
bufferList = (AudioBufferList *)(malloc(size));
|
||||
assert(bufferList);
|
||||
if (!bufferList) { fprintf(stderr, "OUT OF MEMORY\n"); break; }
|
||||
|
||||
bufferList->mNumberBuffers = 0;
|
||||
err = AudioDeviceGetProperty(_deviceIDs[deviceIndex], 0, AUHAL_INPUT_ELEMENT, kAudioDevicePropertyStreamConfiguration, &size, bufferList);
|
||||
#endif
|
||||
if(kAudioHardwareNoError != err) {
|
||||
fprintf(stderr, "kAudioDevicePropertyStreamConfiguration failed: %i\n", err);
|
||||
free(bufferList);
|
||||
continue;
|
||||
}
|
||||
|
||||
for(UInt32 j = 0; j < bufferList->mNumberBuffers; ++j) {
|
||||
inputChannelCount += bufferList->mBuffers[j].mNumberChannels;
|
||||
}
|
||||
free(bufferList);
|
||||
|
||||
|
||||
|
||||
{
|
||||
std::string dn = deviceName;
|
||||
_device_ins[deviceIndex] = inputChannelCount;
|
||||
_device_outs[deviceIndex] = outputChannelCount;
|
||||
printf("CoreAudio Device: #%ld '%s' in:%d out:%d\n", deviceIndex, deviceName, inputChannelCount, outputChannelCount);
|
||||
if (outputChannelCount > 0 && inputChannelCount > 0) {
|
||||
_devices.insert (std::pair<size_t, std::string> (deviceIndex, dn));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CoreAudioPCM::pcm_stop ()
|
||||
{
|
||||
printf("CoreAudioPCM::pcm_stop\n");
|
||||
if (!_auhal) return;
|
||||
|
||||
AudioOutputUnitStop(_auhal);
|
||||
AudioUnitUninitialize(_auhal);
|
||||
#ifdef COREAUDIO_108
|
||||
AudioComponentInstanceDispose(_auhal);
|
||||
#else
|
||||
CloseComponent(_auhal);
|
||||
#endif
|
||||
_auhal = 0;
|
||||
_state = -1;
|
||||
_capture_channels = 0;
|
||||
_playback_channels = 0;
|
||||
|
||||
free(_inputAudioBufferList);
|
||||
_inputAudioBufferList = 0;
|
||||
|
||||
_error_callback = 0;
|
||||
_process_callback = 0;
|
||||
}
|
||||
|
||||
#ifndef NDEBUG
|
||||
static void PrintStreamDesc (AudioStreamBasicDescription *inDesc)
|
||||
{
|
||||
printf ("- - - - - - - - - - - - - - - - - - - -\n");
|
||||
printf (" Sample Rate:%f", inDesc->mSampleRate);
|
||||
printf (" Format ID:%.*s\n", (int)sizeof(inDesc->mFormatID), (char*)&inDesc->mFormatID);
|
||||
printf (" Format Flags:%X\n", inDesc->mFormatFlags);
|
||||
printf (" Bytes per Packet:%d\n", inDesc->mBytesPerPacket);
|
||||
printf (" Frames per Packet:%d\n", inDesc->mFramesPerPacket);
|
||||
printf (" Bytes per Frame:%d\n", inDesc->mBytesPerFrame);
|
||||
printf (" Channels per Frame:%d\n", inDesc->mChannelsPerFrame);
|
||||
printf (" Bits per Channel:%d\n", inDesc->mBitsPerChannel);
|
||||
printf ("- - - - - - - - - - - - - - - - - - - -\n");
|
||||
}
|
||||
#endif
|
||||
|
||||
static OSStatus render_callback_ptr (
|
||||
void* inRefCon,
|
||||
AudioUnitRenderActionFlags* ioActionFlags,
|
||||
const AudioTimeStamp* inTimeStamp,
|
||||
UInt32 inBusNumber,
|
||||
UInt32 inNumberFrames,
|
||||
AudioBufferList* ioData)
|
||||
{
|
||||
CoreAudioPCM * d = static_cast<CoreAudioPCM*> (inRefCon);
|
||||
return d->render_callback(ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
|
||||
}
|
||||
|
||||
|
||||
|
||||
int
|
||||
CoreAudioPCM::pcm_start (
|
||||
uint32_t device_id_in, uint32_t device_id_out,
|
||||
uint32_t sample_rate, uint32_t samples_per_period,
|
||||
int (process_callback (void*)), void *process_arg)
|
||||
{
|
||||
|
||||
assert(_deviceIDs);
|
||||
_state = -2;
|
||||
|
||||
if (device_id_out >= _numDevices || device_id_in >= _numDevices) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
_process_callback = process_callback;
|
||||
_process_arg = process_arg;
|
||||
_max_samples_per_period = samples_per_period;
|
||||
_cur_samples_per_period = 0;
|
||||
|
||||
ComponentResult err;
|
||||
UInt32 enableIO;
|
||||
AudioStreamBasicDescription srcFormat, dstFormat;
|
||||
|
||||
AudioComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};
|
||||
AudioComponent HALOutput = AudioComponentFindNext(NULL, &cd);
|
||||
if (!HALOutput) { goto error; }
|
||||
|
||||
err = AudioComponentInstanceNew(HALOutput, &_auhal);
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
err = AudioUnitInitialize(_auhal);
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
enableIO = 1;
|
||||
err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, AUHAL_INPUT_ELEMENT, &enableIO, sizeof(enableIO));
|
||||
if (err != noErr) { goto error; }
|
||||
enableIO = 1;
|
||||
err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, AUHAL_OUTPUT_ELEMENT, &enableIO, sizeof(enableIO));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, AUHAL_OUTPUT_ELEMENT, &_deviceIDs[device_id_out], sizeof(AudioDeviceID));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, AUHAL_INPUT_ELEMENT, &_deviceIDs[device_id_in], sizeof(AudioDeviceID));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
// Set buffer size
|
||||
err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, AUHAL_INPUT_ELEMENT, (UInt32*)&_max_samples_per_period, sizeof(UInt32));
|
||||
if (err != noErr) { goto error; }
|
||||
err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, AUHAL_OUTPUT_ELEMENT, (UInt32*)&_max_samples_per_period, sizeof(UInt32));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
|
||||
// set sample format
|
||||
srcFormat.mSampleRate = sample_rate;
|
||||
srcFormat.mFormatID = kAudioFormatLinearPCM;
|
||||
srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;
|
||||
srcFormat.mBytesPerPacket = sizeof(float);
|
||||
srcFormat.mFramesPerPacket = 1;
|
||||
srcFormat.mBytesPerFrame = sizeof(float);
|
||||
srcFormat.mChannelsPerFrame = _device_ins[device_id_in];
|
||||
srcFormat.mBitsPerChannel = 32;
|
||||
|
||||
err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, AUHAL_INPUT_ELEMENT, &srcFormat, sizeof(AudioStreamBasicDescription));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
dstFormat.mSampleRate = sample_rate;
|
||||
dstFormat.mFormatID = kAudioFormatLinearPCM;
|
||||
dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;
|
||||
dstFormat.mBytesPerPacket = sizeof(float);
|
||||
dstFormat.mFramesPerPacket = 1;
|
||||
dstFormat.mBytesPerFrame = sizeof(float);
|
||||
dstFormat.mChannelsPerFrame = _device_outs[device_id_out];
|
||||
dstFormat.mBitsPerChannel = 32;
|
||||
|
||||
err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, AUHAL_OUTPUT_ELEMENT, &dstFormat, sizeof(AudioStreamBasicDescription));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
UInt32 size;
|
||||
size = sizeof(AudioStreamBasicDescription);
|
||||
err = AudioUnitGetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, AUHAL_INPUT_ELEMENT, &srcFormat, &size);
|
||||
if (err != noErr) { goto error; }
|
||||
_capture_channels = srcFormat.mChannelsPerFrame;
|
||||
#ifndef NDEBUG
|
||||
PrintStreamDesc(&srcFormat);
|
||||
#endif
|
||||
|
||||
size = sizeof(AudioStreamBasicDescription);
|
||||
err = AudioUnitGetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, AUHAL_OUTPUT_ELEMENT, &dstFormat, &size);
|
||||
if (err != noErr) { goto error; }
|
||||
_playback_channels = dstFormat.mChannelsPerFrame;
|
||||
|
||||
#ifndef NDEBUG
|
||||
PrintStreamDesc(&dstFormat);
|
||||
#endif
|
||||
|
||||
_inputAudioBufferList = (AudioBufferList*)malloc(sizeof(UInt32) + _capture_channels * sizeof(AudioBuffer));
|
||||
|
||||
// Setup callbacks
|
||||
AURenderCallbackStruct renderCallback;
|
||||
memset (&renderCallback, 0, sizeof (renderCallback));
|
||||
renderCallback.inputProc = render_callback_ptr;
|
||||
renderCallback.inputProcRefCon = this;
|
||||
err = AudioUnitSetProperty(_auhal,
|
||||
kAudioUnitProperty_SetRenderCallback,
|
||||
kAudioUnitScope_Output, AUHAL_OUTPUT_ELEMENT,
|
||||
&renderCallback, sizeof (renderCallback));
|
||||
if (err != noErr) { goto error; }
|
||||
|
||||
printf("SETUP OK..\n");
|
||||
|
||||
if (AudioOutputUnitStart(_auhal) == noErr) {
|
||||
printf("Coreaudio Started..\n");
|
||||
_state = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
error:
|
||||
pcm_stop();
|
||||
_state = -3;
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
OSStatus
|
||||
CoreAudioPCM::render_callback (
|
||||
AudioUnitRenderActionFlags* ioActionFlags,
|
||||
const AudioTimeStamp* inTimeStamp,
|
||||
UInt32 inBusNumber,
|
||||
UInt32 inNumberFrames,
|
||||
AudioBufferList* ioData)
|
||||
{
|
||||
OSStatus retVal = 0;
|
||||
|
||||
assert(_max_samples_per_period >= inNumberFrames);
|
||||
assert(ioData->mNumberBuffers = _playback_channels);
|
||||
|
||||
_cur_samples_per_period = inNumberFrames;
|
||||
|
||||
|
||||
_inputAudioBufferList->mNumberBuffers = _capture_channels;
|
||||
for (int i = 0; i < _capture_channels; ++i) {
|
||||
_inputAudioBufferList->mBuffers[i].mNumberChannels = 1;
|
||||
_inputAudioBufferList->mBuffers[i].mDataByteSize = inNumberFrames * sizeof(float);
|
||||
_inputAudioBufferList->mBuffers[i].mData = NULL;
|
||||
}
|
||||
|
||||
retVal = AudioUnitRender(_auhal, ioActionFlags, inTimeStamp, AUHAL_INPUT_ELEMENT, inNumberFrames, _inputAudioBufferList);
|
||||
|
||||
if (retVal != kAudioHardwareNoError) {
|
||||
char *rv = (char*)&retVal;
|
||||
printf("ERR %c%c%c%c\n", rv[0], rv[1], rv[2], rv[3]);
|
||||
if (_error_callback) {
|
||||
_error_callback(_error_arg);
|
||||
}
|
||||
return retVal;
|
||||
}
|
||||
|
||||
_outputAudioBufferList = ioData;
|
||||
|
||||
_in_process = true;
|
||||
|
||||
int rv = -1;
|
||||
|
||||
if (_process_callback) {
|
||||
rv = _process_callback(_process_arg);
|
||||
}
|
||||
|
||||
_in_process = false;
|
||||
|
||||
if (rv != 0) {
|
||||
// clear output
|
||||
for (int i = 0; i < ioData->mNumberBuffers; ++i) {
|
||||
float* ob = (float*) ioData->mBuffers[i].mData;
|
||||
memset(ob, 0, sizeof(float) * inNumberFrames);
|
||||
}
|
||||
}
|
||||
return noErr;
|
||||
}
|
||||
|
||||
int
|
||||
CoreAudioPCM::get_capture_channel (uint32_t chn, float *input, uint32_t n_samples)
|
||||
{
|
||||
if (!_in_process || chn > _capture_channels || n_samples > _cur_samples_per_period) {
|
||||
return -1;
|
||||
}
|
||||
assert(_inputAudioBufferList->mNumberBuffers > chn);
|
||||
memcpy((void*)input, (void*)_inputAudioBufferList->mBuffers[chn].mData, sizeof(float) * n_samples);
|
||||
return 0;
|
||||
|
||||
}
|
||||
int
|
||||
CoreAudioPCM::set_playback_channel (uint32_t chn, const float *output, uint32_t n_samples)
|
||||
{
|
||||
if (!_in_process || chn > _playback_channels || n_samples > _cur_samples_per_period) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
assert(_outputAudioBufferList->mNumberBuffers > chn);
|
||||
memcpy((void*)_outputAudioBufferList->mBuffers[chn].mData, (void*)output, sizeof(float) * n_samples);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
/*
|
||||
* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include <CoreServices/CoreServices.h>
|
||||
#include <CoreAudio/CoreAudio.h>
|
||||
#include <AudioUnit/AudioUnit.h>
|
||||
|
||||
#include <AudioUnit/AudioUnit.h>
|
||||
#include <AudioToolbox/AudioToolbox.h>
|
||||
|
||||
#include <map>
|
||||
#include <string>
|
||||
|
||||
#define AUHAL_OUTPUT_ELEMENT 0
|
||||
#define AUHAL_INPUT_ELEMENT 1
|
||||
|
||||
|
||||
class CoreAudioPCM {
|
||||
public:
|
||||
CoreAudioPCM (void);
|
||||
~CoreAudioPCM (void);
|
||||
|
||||
|
||||
int state (void) const { return _state; }
|
||||
uint32_t n_playback_channels (void) const { return _playback_channels; }
|
||||
uint32_t n_capture_channels (void) const { return _capture_channels; }
|
||||
|
||||
void discover();
|
||||
void device_list(std::map<size_t, std::string> &devices) const { devices = _devices;}
|
||||
|
||||
void pcm_stop (void);
|
||||
int pcm_start (
|
||||
uint32_t input_device,
|
||||
uint32_t output_device,
|
||||
uint32_t sample_rate,
|
||||
uint32_t samples_per_period,
|
||||
int (process_callback (void*)),
|
||||
void * process_arg
|
||||
);
|
||||
|
||||
void set_error_callback (
|
||||
void ( error_callback (void*)),
|
||||
void * error_arg
|
||||
) {
|
||||
_error_callback = error_callback;
|
||||
_error_arg = error_arg;
|
||||
}
|
||||
|
||||
// must be called from process_callback;
|
||||
int get_capture_channel (uint32_t chn, float *input, uint32_t n_samples);
|
||||
int set_playback_channel (uint32_t chn, const float *input, uint32_t n_samples);
|
||||
uint32_t n_samples() const { return _cur_samples_per_period; };
|
||||
|
||||
// really private
|
||||
OSStatus render_callback (
|
||||
AudioUnitRenderActionFlags* ioActionFlags,
|
||||
const AudioTimeStamp* inTimeStamp,
|
||||
UInt32 inBusNumber,
|
||||
UInt32 inNumberFrames,
|
||||
AudioBufferList* ioData);
|
||||
|
||||
void hwPropertyChange();
|
||||
|
||||
private:
|
||||
AudioUnit _auhal;
|
||||
AudioDeviceID* _deviceIDs;
|
||||
AudioBufferList* _inputAudioBufferList;
|
||||
AudioBufferList* _outputAudioBufferList;
|
||||
|
||||
int _state;
|
||||
|
||||
uint32_t _max_samples_per_period;
|
||||
uint32_t _cur_samples_per_period;
|
||||
uint32_t _capture_channels;
|
||||
uint32_t _playback_channels;
|
||||
bool _in_process;
|
||||
size_t _numDevices;
|
||||
|
||||
int (* _process_callback) (void*);
|
||||
void * _process_arg;
|
||||
|
||||
void (* _error_callback) (void*);
|
||||
void * _error_arg;
|
||||
|
||||
std::map<size_t, std::string> _devices;
|
||||
// TODO proper device info struct
|
||||
uint32_t * _device_ins;
|
||||
uint32_t * _device_outs;
|
||||
|
||||
};
|
||||
|
|
@ -0,0 +1,275 @@
|
|||
/*
|
||||
* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include "coremidi_io.h"
|
||||
#include <CoreAudio/HostTime.h>
|
||||
|
||||
static void notifyProc (const MIDINotification *message, void *refCon) {
|
||||
CoreMidiIo *self = static_cast<CoreMidiIo*>(refCon);
|
||||
self->notify_proc(message);
|
||||
}
|
||||
|
||||
static void midiInputCallback(const MIDIPacketList *list, void *procRef, void *srcRef) {
|
||||
// TODO skip while freewheeling
|
||||
RingBuffer<uint8_t> * rb = static_cast<RingBuffer < uint8_t > *> (srcRef);
|
||||
if (!rb) return;
|
||||
for (UInt32 i = 0; i < list->numPackets; i++) {
|
||||
const MIDIPacket *packet = &list->packet[i];
|
||||
if (rb->write_space() < sizeof(MIDIPacket)) {
|
||||
fprintf(stderr, "CoreMIDI: dropped MIDI event\n");
|
||||
continue;
|
||||
}
|
||||
rb->write((uint8_t*)packet, sizeof(MIDIPacket));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
CoreMidiIo::CoreMidiIo()
|
||||
: _midiClient (0)
|
||||
, _inputEndPoints (0)
|
||||
, _outputEndPoints (0)
|
||||
, _inputPorts (0)
|
||||
, _outputPorts (0)
|
||||
, _inputQueue (0)
|
||||
, _rb (0)
|
||||
, _n_midi_in (0)
|
||||
, _n_midi_out (0)
|
||||
, _time_at_cycle_start (0)
|
||||
, _active (false)
|
||||
, _changed_callback (0)
|
||||
, _changed_arg (0)
|
||||
{
|
||||
OSStatus err;
|
||||
err = MIDIClientCreate(CFSTR("Ardour"), ¬ifyProc, this, &_midiClient);
|
||||
if (noErr != err) {
|
||||
fprintf(stderr, "Creating Midi Client failed\n");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
CoreMidiIo::~CoreMidiIo()
|
||||
{
|
||||
cleanup();
|
||||
MIDIClientDispose(_midiClient); _midiClient = 0;
|
||||
}
|
||||
|
||||
void
|
||||
CoreMidiIo::cleanup()
|
||||
{
|
||||
_active = false;
|
||||
for (uint32_t i = 0 ; i < _n_midi_in ; ++i) {
|
||||
MIDIPortDispose(_inputPorts[i]);
|
||||
_inputQueue[i].clear();
|
||||
delete _rb[i];
|
||||
}
|
||||
for (uint32_t i = 0 ; i < _n_midi_out ; ++i) {
|
||||
MIDIPortDispose(_outputPorts[i]);
|
||||
}
|
||||
|
||||
free(_inputPorts); _inputPorts = 0;
|
||||
free(_inputEndPoints); _inputEndPoints = 0;
|
||||
free(_inputQueue); _inputQueue = 0;
|
||||
free(_outputPorts); _outputPorts = 0;
|
||||
free(_outputEndPoints); _outputEndPoints = 0;
|
||||
free(_rb); _rb = 0;
|
||||
|
||||
_n_midi_in = 0;
|
||||
_n_midi_out = 0;
|
||||
}
|
||||
|
||||
void
|
||||
CoreMidiIo::start_cycle()
|
||||
{
|
||||
_time_at_cycle_start = AudioGetCurrentHostTime();
|
||||
}
|
||||
|
||||
void
|
||||
CoreMidiIo::notify_proc(const MIDINotification *message)
|
||||
{
|
||||
switch(message->messageID) {
|
||||
case kMIDIMsgSetupChanged:
|
||||
printf("kMIDIMsgSetupChanged\n");
|
||||
discover();
|
||||
break;
|
||||
case kMIDIMsgObjectAdded:
|
||||
{
|
||||
const MIDIObjectAddRemoveNotification *n = (const MIDIObjectAddRemoveNotification*) message;
|
||||
printf("kMIDIMsgObjectAdded\n");
|
||||
}
|
||||
break;
|
||||
case kMIDIMsgObjectRemoved:
|
||||
{
|
||||
const MIDIObjectAddRemoveNotification *n = (const MIDIObjectAddRemoveNotification*) message;
|
||||
printf("kMIDIMsgObjectRemoved\n");
|
||||
}
|
||||
break;
|
||||
case kMIDIMsgPropertyChanged:
|
||||
{
|
||||
const MIDIObjectPropertyChangeNotification *n = (const MIDIObjectPropertyChangeNotification*) message;
|
||||
printf("kMIDIMsgObjectRemoved\n");
|
||||
}
|
||||
break;
|
||||
case kMIDIMsgThruConnectionsChanged:
|
||||
printf("kMIDIMsgThruConnectionsChanged\n");
|
||||
break;
|
||||
case kMIDIMsgSerialPortOwnerChanged:
|
||||
printf("kMIDIMsgSerialPortOwnerChanged\n");
|
||||
break;
|
||||
case kMIDIMsgIOError:
|
||||
printf("kMIDIMsgIOError\n");
|
||||
cleanup();
|
||||
//discover();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
size_t
|
||||
CoreMidiIo::recv_event (uint32_t port, double cycle_time_us, uint64_t &time, uint8_t *d, size_t &s)
|
||||
{
|
||||
if (!_active || _time_at_cycle_start == 0) {
|
||||
return 0;
|
||||
}
|
||||
assert(port < _n_midi_in);
|
||||
|
||||
while (_rb[port]->read_space() >= sizeof(MIDIPacket)) {
|
||||
MIDIPacket packet;
|
||||
size_t rv = _rb[port]->read((uint8_t*)&packet, sizeof(MIDIPacket));
|
||||
assert(rv == sizeof(MIDIPacket));
|
||||
_inputQueue[port].push_back(boost::shared_ptr<CoreMIDIPacket>(new _CoreMIDIPacket (&packet)));
|
||||
}
|
||||
|
||||
UInt64 start = _time_at_cycle_start;
|
||||
UInt64 end = AudioConvertNanosToHostTime(AudioConvertHostTimeToNanos(_time_at_cycle_start) + cycle_time_us * 1e3);
|
||||
|
||||
for (CoreMIDIQueue::iterator it = _inputQueue[port].begin (); it != _inputQueue[port].end (); ) {
|
||||
if ((*it)->timeStamp < end) {
|
||||
if ((*it)->timeStamp < start) {
|
||||
uint64_t dt = AudioConvertHostTimeToNanos(start - (*it)->timeStamp);
|
||||
//printf("Stale Midi Event dt:%.2fms\n", dt * 1e-6);
|
||||
if (dt > 1e-4) { // 100ms, maybe too large
|
||||
it = _inputQueue[port].erase(it);
|
||||
continue;
|
||||
}
|
||||
time = 0;
|
||||
} else {
|
||||
time = AudioConvertHostTimeToNanos((*it)->timeStamp - start);
|
||||
}
|
||||
s = std::min(s, (size_t) (*it)->length);
|
||||
if (s > 0) {
|
||||
memcpy(d, (*it)->data, s);
|
||||
}
|
||||
_inputQueue[port].erase(it);
|
||||
return s;
|
||||
}
|
||||
++it;
|
||||
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
CoreMidiIo::send_event (uint32_t port, double reltime_us, const uint8_t *d, const size_t s)
|
||||
{
|
||||
if (!_active || _time_at_cycle_start == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
assert(port < _n_midi_out);
|
||||
UInt64 ts = AudioConvertHostTimeToNanos(_time_at_cycle_start);
|
||||
ts += reltime_us * 1e3;
|
||||
|
||||
// TODO use a single packet list.. queue all events first..
|
||||
MIDIPacketList pl;
|
||||
|
||||
pl.numPackets = 1;
|
||||
MIDIPacket *mp = &(pl.packet[0]);
|
||||
|
||||
mp->timeStamp = AudioConvertNanosToHostTime(ts);
|
||||
mp->length = s;
|
||||
assert(s < 256);
|
||||
memcpy(mp->data, d, s);
|
||||
|
||||
MIDISend(_outputPorts[port], _outputEndPoints[port], &pl);
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
CoreMidiIo::discover()
|
||||
{
|
||||
cleanup();
|
||||
|
||||
assert(!_active && _midiClient);
|
||||
|
||||
ItemCount srcCount = MIDIGetNumberOfSources();
|
||||
ItemCount dstCount = MIDIGetNumberOfDestinations();
|
||||
|
||||
if (srcCount > 0) {
|
||||
_inputPorts = (MIDIPortRef *) malloc (srcCount * sizeof(MIDIPortRef));
|
||||
_inputEndPoints = (MIDIEndpointRef*) malloc (srcCount * sizeof(MIDIEndpointRef));
|
||||
_inputQueue = (CoreMIDIQueue*) calloc (srcCount, sizeof(CoreMIDIQueue));
|
||||
_rb = (RingBuffer<uint8_t> **) malloc (srcCount * sizeof(RingBuffer<uint8_t>*));
|
||||
}
|
||||
if (dstCount > 0) {
|
||||
_outputPorts = (MIDIPortRef *) malloc (dstCount * sizeof(MIDIPortRef));
|
||||
_outputEndPoints = (MIDIEndpointRef*) malloc (dstCount * sizeof(MIDIEndpointRef));
|
||||
}
|
||||
|
||||
for (ItemCount i = 0; i < srcCount; i++) {
|
||||
OSStatus err;
|
||||
MIDIEndpointRef src = MIDIGetSource(i);
|
||||
CFStringRef port_name;
|
||||
port_name = CFStringCreateWithFormat(NULL, NULL, CFSTR("midi_capture_%lu"), i);
|
||||
|
||||
err = MIDIInputPortCreate (_midiClient, port_name, midiInputCallback, this, &_inputPorts[_n_midi_in]);
|
||||
if (noErr != err) {
|
||||
fprintf(stderr, "Cannot create Midi Output\n");
|
||||
// TODO handle errors
|
||||
continue;
|
||||
}
|
||||
_rb[_n_midi_in] = new RingBuffer<uint8_t>(1024 * sizeof(MIDIPacket));
|
||||
_inputQueue[_n_midi_in] = CoreMIDIQueue();
|
||||
MIDIPortConnectSource(_inputPorts[_n_midi_in], src, (void*) _rb[_n_midi_in]);
|
||||
CFRelease(port_name);
|
||||
_inputEndPoints[_n_midi_in] = src;
|
||||
++_n_midi_in;
|
||||
}
|
||||
|
||||
for (ItemCount i = 0; i < dstCount; i++) {
|
||||
MIDIEndpointRef dst = MIDIGetDestination(i);
|
||||
CFStringRef port_name;
|
||||
port_name = CFStringCreateWithFormat(NULL, NULL, CFSTR("midi_playback_%lu"), i);
|
||||
|
||||
OSStatus err;
|
||||
err = MIDIOutputPortCreate (_midiClient, port_name, &_outputPorts[_n_midi_out]);
|
||||
if (noErr != err) {
|
||||
fprintf(stderr, "Cannot create Midi Output\n");
|
||||
// TODO handle errors
|
||||
continue;
|
||||
}
|
||||
MIDIPortConnectSource(_outputPorts[_n_midi_out], dst, NULL);
|
||||
CFRelease(port_name);
|
||||
_outputEndPoints[_n_midi_out] = dst;
|
||||
++_n_midi_out;
|
||||
}
|
||||
|
||||
if (_changed_callback) {
|
||||
_changed_callback(_changed_arg);
|
||||
}
|
||||
|
||||
_active = true;
|
||||
}
|
||||
|
|
@ -0,0 +1,103 @@
|
|||
/*
|
||||
* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include <CoreServices/CoreServices.h>
|
||||
#include <CoreAudio/CoreAudio.h>
|
||||
#include <AudioUnit/AudioUnit.h>
|
||||
|
||||
#include <AudioUnit/AudioUnit.h>
|
||||
#include <AudioToolbox/AudioToolbox.h>
|
||||
|
||||
#include <map>
|
||||
#include <vector>
|
||||
#include <string>
|
||||
|
||||
#include <boost/shared_ptr.hpp>
|
||||
#include "pbd/ringbuffer.h"
|
||||
|
||||
typedef struct _CoreMIDIPacket {
|
||||
MIDITimeStamp timeStamp;
|
||||
UInt16 length;
|
||||
Byte data[256];
|
||||
#if 0 // unused
|
||||
_CoreMIDIPacket (MIDITimeStamp t, Byte *d, UInt16 l)
|
||||
: timeStamp(t)
|
||||
, length (l)
|
||||
{
|
||||
if (l > 256) {
|
||||
length = 256;
|
||||
}
|
||||
if (length > 0) {
|
||||
memcpy(data, d, length);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
_CoreMIDIPacket (const MIDIPacket *other)
|
||||
: timeStamp(other->timeStamp)
|
||||
, length (other->length)
|
||||
{
|
||||
if (length > 0) {
|
||||
memcpy(data, other->data, length);
|
||||
}
|
||||
}
|
||||
} CoreMIDIPacket;
|
||||
|
||||
typedef std::vector<boost::shared_ptr<CoreMIDIPacket> > CoreMIDIQueue;
|
||||
|
||||
class CoreMidiIo {
|
||||
public:
|
||||
CoreMidiIo (void);
|
||||
~CoreMidiIo (void);
|
||||
|
||||
// TODO explicit start/stop, add/remove devices as needed.
|
||||
void discover ();
|
||||
void start_cycle ();
|
||||
|
||||
int send_event (uint32_t, double, const uint8_t *, const size_t);
|
||||
size_t recv_event (uint32_t, double, uint64_t &, uint8_t *, size_t &);
|
||||
|
||||
uint32_t n_midi_inputs (void) const { return _n_midi_in; }
|
||||
uint32_t n_midi_outputs (void) const { return _n_midi_out; }
|
||||
|
||||
void notify_proc (const MIDINotification *message);
|
||||
|
||||
void setPortChangedCallback (void (changed_callback (void*)), void *arg) {
|
||||
_changed_callback = changed_callback;
|
||||
_changed_arg = arg;
|
||||
}
|
||||
|
||||
private:
|
||||
void cleanup ();
|
||||
|
||||
MIDIClientRef _midiClient;
|
||||
MIDIEndpointRef * _inputEndPoints;
|
||||
MIDIEndpointRef * _outputEndPoints;
|
||||
MIDIPortRef * _inputPorts;
|
||||
MIDIPortRef * _outputPorts;
|
||||
CoreMIDIQueue * _inputQueue;
|
||||
RingBuffer<uint8_t> ** _rb;
|
||||
|
||||
uint32_t _n_midi_in;
|
||||
uint32_t _n_midi_out;
|
||||
|
||||
MIDITimeStamp _time_at_cycle_start;
|
||||
bool _active;
|
||||
|
||||
void (* _changed_callback) (void*);
|
||||
void * _changed_arg;
|
||||
};
|
||||
|
|
@ -0,0 +1,55 @@
|
|||
/*
|
||||
* Copyright (C) 2014 Robin Gareus <robin@gareus.org>
|
||||
*
|
||||
* 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 __libbackend_alsa_rthread_h__
|
||||
#define __libbackend_alsa_rthread_h__
|
||||
|
||||
#include <pthread.h>
|
||||
#include <sched.h>
|
||||
|
||||
static int
|
||||
_realtime_pthread_create (
|
||||
const int policy, int priority, const size_t stacksize,
|
||||
pthread_t *thread,
|
||||
void *(*start_routine) (void *),
|
||||
void *arg)
|
||||
{
|
||||
int rv;
|
||||
|
||||
pthread_attr_t attr;
|
||||
struct sched_param parm;
|
||||
|
||||
const int p_min = sched_get_priority_min (policy);
|
||||
const int p_max = sched_get_priority_max (policy);
|
||||
priority += p_max;
|
||||
if (priority > p_max) priority = p_max;
|
||||
if (priority < p_min) priority = p_min;
|
||||
parm.sched_priority = priority;
|
||||
|
||||
pthread_attr_init (&attr);
|
||||
pthread_attr_setschedpolicy (&attr, policy);
|
||||
pthread_attr_setschedparam (&attr, &parm);
|
||||
pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);
|
||||
pthread_attr_setinheritsched (&attr, PTHREAD_EXPLICIT_SCHED);
|
||||
pthread_attr_setstacksize (&attr, stacksize);
|
||||
rv = pthread_create (thread, &attr, start_routine, arg);
|
||||
pthread_attr_destroy (&attr);
|
||||
return rv;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
#!/usr/bin/env python
|
||||
from waflib.extras import autowaf as autowaf
|
||||
import os
|
||||
import sys
|
||||
import re
|
||||
|
||||
I18N_PACKAGE = 'coreaudio-backend'
|
||||
|
||||
# Mandatory variables
|
||||
top = '.'
|
||||
out = 'build'
|
||||
|
||||
def options(opt):
|
||||
autowaf.set_options(opt)
|
||||
|
||||
def configure(conf):
|
||||
autowaf.configure(conf)
|
||||
|
||||
def build(bld):
|
||||
obj = bld(features = 'cxx cxxshlib')
|
||||
obj.source = [ 'coreaudio_backend.cc',
|
||||
'coreaudio_pcmio.cc',
|
||||
'coremidi_io.cc'
|
||||
]
|
||||
obj.includes = ['.']
|
||||
obj.name = 'coreaudio_backend'
|
||||
obj.target = 'coreaudio_backend'
|
||||
obj.use = 'libardour libpbd'
|
||||
obj.framework = [ 'CoreAudio', 'AudioToolbox', 'CoreServices', 'CoreMidi' ]
|
||||
obj.install_path = os.path.join(bld.env['LIBDIR'], 'backends')
|
||||
obj.defines = ['PACKAGE="' + I18N_PACKAGE + '"',
|
||||
'ARDOURBACKEND_DLL_EXPORTS', 'COREAUDIO_108'
|
||||
]
|
||||
Loading…
Reference in New Issue