This API is only available since BigSur (11.0), see also https://developer.apple.com/documentation/audiotoolbox/workgroup_management/adding_parallel_real-time_threads_to_audio_workgroups?language=objc
224 lines
6.3 KiB
C++
224 lines
6.3 KiB
C++
/*
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* Copyright (C) 2015-2017 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
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __libbackend_coreaudio_pcmio_h__
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#define __libbackend_coreaudio_pcmio_h__
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#include <CoreServices/CoreServices.h>
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#include <CoreAudio/CoreAudio.h>
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#include <AudioUnit/AudioUnit.h>
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 110000
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# include <AudioToolbox/AudioToolbox.h>
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#endif
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#include <AudioUnit/AudioUnit.h>
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#include <AudioToolbox/AudioToolbox.h>
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#undef nil
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#include <map>
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#include <vector>
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#include <string>
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#define AUHAL_OUTPUT_ELEMENT 0
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#define AUHAL_INPUT_ELEMENT 1
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namespace PBD {
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class Timing;
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}
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namespace ARDOUR {
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class CoreAudioPCM {
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public:
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CoreAudioPCM (void);
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~CoreAudioPCM (void);
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int state (void) const { return _state; }
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uint32_t n_playback_channels (void) const { return _playback_channels; }
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uint32_t n_capture_channels (void) const { return _capture_channels; }
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void discover();
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void device_list (std::map<size_t, std::string> &devices) const { devices = _devices;}
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void input_device_list (std::map<size_t, std::string> &devices) const { devices = _input_devices;}
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void output_device_list (std::map<size_t, std::string> &devices) const { devices = _output_devices;}
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void duplex_device_list (std::map<size_t, std::string> &devices) const { devices = _duplex_devices;}
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int available_sample_rates (uint32_t device_id, std::vector<float>& sampleRates);
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int available_buffer_sizes (uint32_t device_id, std::vector<uint32_t>& sampleRates);
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uint32_t available_channels (uint32_t device_id, bool input);
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float current_sample_rate (uint32_t device_id, bool input = false);
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uint32_t get_latency (uint32_t device_id, bool input);
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uint32_t get_latency (bool input);
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std::string cached_port_name (uint32_t portnum, bool input) const;
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float sample_rate ();
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uint32_t samples_per_period () const { return _samples_per_period; };
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int set_samples_per_period (uint32_t);
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void launch_control_app (uint32_t device_id);
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 110000
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bool workgroup (os_workgroup_t&);
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#endif
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void pcm_stop (void);
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int pcm_start (
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uint32_t input_device,
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uint32_t output_device,
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uint32_t sample_rate,
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uint32_t samples_per_period,
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int (process_callback (void*, const uint32_t, const uint64_t)),
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void * process_arg,
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PBD::TimingStats& dsp_timer
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);
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void set_error_callback (
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void ( error_callback (void*)),
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void * error_arg
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) {
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_error_callback = error_callback;
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_error_arg = error_arg;
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}
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void set_hw_changed_callback (
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void ( callback (void*)),
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void * arg
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) {
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_hw_changed_callback = callback;
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_hw_changed_arg = arg;
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}
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void set_xrun_callback (
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void ( callback (void*)),
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void * arg
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) {
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_xrun_callback = callback;
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_xrun_arg = arg;
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}
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void set_buffer_size_callback (
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void ( callback (void*)),
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void * arg
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) {
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_buffer_size_callback = callback;
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_buffer_size_arg = arg;
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}
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void set_sample_rate_callback (
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void ( callback (void*)),
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void * arg
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) {
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_sample_rate_callback = callback;
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_sample_rate_arg = arg;
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}
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// must be called from process_callback;
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int get_capture_channel (uint32_t chn, float *input, uint32_t n_samples);
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int set_playback_channel (uint32_t chn, const float *input, uint32_t n_samples);
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uint32_t n_samples() const { return _cur_samples_per_period; };
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// really private
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OSStatus render_callback (
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AudioUnitRenderActionFlags* ioActionFlags,
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const AudioTimeStamp* inTimeStamp,
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UInt32 inBusNumber,
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UInt32 inNumberSamples,
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AudioBufferList* ioData);
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void xrun_callback ();
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void buffer_size_callback ();
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void sample_rate_callback ();
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void hw_changed_callback ();
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private:
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float current_sample_rate_id (AudioDeviceID id, bool input);
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uint32_t current_buffer_size_id (AudioDeviceID id);
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int set_device_sample_rate_id (AudioDeviceID id, float rate, bool input);
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int set_device_buffer_size_id (AudioDeviceID id, uint32_t samples_per_period);
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int set_device_sample_rate (uint32_t device_id, float rate, bool input);
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void get_stream_latencies (uint32_t device_id, bool input, std::vector<uint32_t>& latencies);
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void cache_port_names (AudioDeviceID id, bool input);
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void destroy_aggregate_device();
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int create_aggregate_device(
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AudioDeviceID input_device_id,
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AudioDeviceID output_device_id,
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uint32_t sample_rate,
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AudioDeviceID *created_device);
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::AudioUnit _auhal;
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AudioDeviceID* _device_ids;
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AudioBufferList* _input_audio_buffer_list;
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AudioBufferList* _output_audio_buffer_list;
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AudioDeviceID _active_device_id;
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AudioDeviceID _aggregate_device_id;
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AudioDeviceID _aggregate_plugin_id;
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int _state;
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uint32_t _samples_per_period;
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uint32_t _cur_samples_per_period;
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uint32_t _capture_channels;
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uint32_t _playback_channels;
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bool _in_process;
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size_t _n_devices;
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int (* _process_callback) (void*, const uint32_t, const uint64_t);
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void * _process_arg;
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PBD::TimingStats* _dsp_timer;
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void (* _error_callback) (void*);
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void * _error_arg;
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void (* _hw_changed_callback) (void*);
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void * _hw_changed_arg;
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void (* _xrun_callback) (void*);
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void * _xrun_arg;
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void (* _buffer_size_callback) (void*);
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void * _buffer_size_arg;
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void (* _sample_rate_callback) (void*);
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void * _sample_rate_arg;
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// TODO proper device info struct
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std::map<size_t, std::string> _devices;
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std::map<size_t, std::string> _input_devices;
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std::map<size_t, std::string> _output_devices;
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std::map<size_t, std::string> _duplex_devices;
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uint32_t * _device_ins;
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uint32_t * _device_outs;
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std::vector<std::string> _input_names;
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std::vector<std::string> _output_names;
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pthread_mutex_t _discovery_lock;
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};
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} // namespace
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#endif /* __libbackend_coreaudio_pcmio_h__ */
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