GNU Radio Manual and C++ API Reference 3.10.1.1
The Free & Open Software Radio Ecosystem
osx_impl.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2006, 2013-2014 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio.
6 *
7 * SPDX-License-Identifier: GPL-3.0-or-later
8 *
9 */
10
11#ifndef INCLUDED_AUDIO_OSX_IMPL_H
12#define INCLUDED_AUDIO_OSX_IMPL_H
13
14#include <gnuradio/audio/api.h>
15
16#include <vector>
17
18#include <string.h>
19
20#include <AudioToolbox/AudioToolbox.h>
21#include <AudioUnit/AudioUnit.h>
22
23// Check the version of MacOSX being used
24#ifdef __APPLE_CC__
25#include <AvailabilityMacros.h>
26#ifndef MAC_OS_X_VERSION_10_6
27#define MAC_OS_X_VERSION_10_6 1060
28#endif
29#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
30#define GR_USE_OLD_AUDIO_UNIT
31#endif
32#endif
33
34// helper function to print an ASBD
35
36std::ostream& GR_AUDIO_API operator<<(std::ostream& s,
37 const AudioStreamBasicDescription& asbd);
38
39namespace gr {
40namespace audio {
41namespace osx {
42
43// returns the number of channels for the provided AudioDeviceID,
44// input and/or output depending on if the pointer is valid.
45
47 UInt32* n_input,
48 UInt32* n_output);
49
50// search all known audio devices, input or output, for all that
51// match the provided device_name string (in part or in whole).
52// Returns a vector of all matching IDs, and another of all
53// matching names. If the device name is empty, then match all
54// input or output devices.
55
56void GR_AUDIO_API find_audio_devices(const std::string& device_name,
57 bool is_input,
58 std::vector<AudioDeviceID>* all_ad_ids,
59 std::vector<std::string>* all_names);
60
61} /* namespace osx */
62} /* namespace audio */
63} /* namespace gr */
64
65#endif /* INCLUDED_AUDIO_OSX_IMPL_H */
#define GR_AUDIO_API
Definition: gr-audio/include/gnuradio/audio/api.h:18
void GR_AUDIO_API find_audio_devices(const std::string &device_name, bool is_input, std::vector< AudioDeviceID > *all_ad_ids, std::vector< std::string > *all_names)
void GR_AUDIO_API get_num_channels_for_audio_device_id(AudioDeviceID ad_id, UInt32 *n_input, UInt32 *n_output)
GNU Radio logging wrapper.
Definition: basic_block.h:29
std::ostream &GR_AUDIO_API operator<<(std::ostream &s, const AudioStreamBasicDescription &asbd)