GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
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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 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef INCLUDED_AUDIO_OSX_IMPL_H
24#define INCLUDED_AUDIO_OSX_IMPL_H
25
26#include <gnuradio/audio/api.h>
27
28#include <iostream>
29#include <vector>
30
31#include <string.h>
32
33#include <AudioToolbox/AudioToolbox.h>
34#include <AudioUnit/AudioUnit.h>
35
36// Check the version of MacOSX being used
37#ifdef __APPLE_CC__
38#include <AvailabilityMacros.h>
39#ifndef MAC_OS_X_VERSION_10_6
40#define MAC_OS_X_VERSION_10_6 1060
41#endif
42#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
43#define GR_USE_OLD_AUDIO_UNIT
44#endif
45#endif
46
47// helper function to print an ASBD
48
49std::ostream& GR_AUDIO_API operator<<(std::ostream& s,
50 const AudioStreamBasicDescription& asbd);
51
52namespace gr {
53namespace audio {
54namespace osx {
55
56// returns the number of channels for the provided AudioDeviceID,
57// input and/or output depending on if the pointer is valid.
58
60 UInt32* n_input,
61 UInt32* n_output);
62
63// search all known audio devices, input or output, for all that
64// match the provided device_name string (in part or in whole).
65// Returns a vector of all matching IDs, and another of all
66// matching names. If the device name is empty, then match all
67// input or output devices.
68
69void GR_AUDIO_API find_audio_devices(const std::string& device_name,
70 bool is_input,
71 std::vector<AudioDeviceID>* all_ad_ids,
72 std::vector<std::string>* all_names);
73
74} /* namespace osx */
75} /* namespace audio */
76} /* namespace gr */
77
78#endif /* INCLUDED_AUDIO_OSX_IMPL_H */
#define GR_AUDIO_API
Definition gr-audio/include/gnuradio/audio/api.h:30
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 for log4cpp library (C++ port of log4j)
Definition basic_block.h:46
std::ostream &GR_AUDIO_API operator<<(std::ostream &s, const AudioStreamBasicDescription &asbd)