GNU Radio 3.6.4 C++ API
audio_osx.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006 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_H
24 #define INCLUDED_AUDIO_OSX_H
25 
26 #include <iostream>
27 #include <string.h>
28 
29 #define CheckErrorAndThrow(err,what,throw_str) \
30  if (err) { \
31  OSStatus error = static_cast<OSStatus>(err); \
32  char err_str[4]; \
33  strncpy (err_str, (char*)(&err), 4); \
34  std::cerr << what << std::endl; \
35  std::cerr << " Error# " << error << " ('" << err_str \
36  << "')" << std::endl; \
37  std::cerr << " " << __FILE__ << ":" << __LINE__ << std::endl; \
38  fflush (stderr); \
39  throw std::runtime_error (throw_str); \
40  }
41 
42 #define CheckError(err,what) \
43  if (err) { \
44  OSStatus error = static_cast<OSStatus>(err); \
45  char err_str[4]; \
46  strncpy (err_str, (char*)(&err), 4); \
47  std::cerr << what << std::endl; \
48  std::cerr << " Error# " << error << " ('" << err_str \
49  << "')" << std::endl; \
50  std::cerr << " " << __FILE__ << ":" << __LINE__ << std::endl; \
51  fflush (stderr); \
52  }
53 
54 #include <boost/detail/endian.hpp> //BOOST_BIG_ENDIAN
55 #ifdef BOOST_BIG_ENDIAN
56 #define GR_PCM_ENDIANNESS kLinearPCMFormatFlagIsBigEndian
57 #else
58 #define GR_PCM_ENDIANNESS 0
59 #endif
60 
61 // Check the version of MacOSX being used
62 #ifdef __APPLE_CC__
63 #include <AvailabilityMacros.h>
64 #ifndef MAC_OS_X_VERSION_10_6
65 #define MAC_OS_X_VERSION_10_6 1060
66 #endif
67 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
68 #define GR_USE_OLD_AUDIO_UNIT
69 #endif
70 #endif
71 
72 #endif /* INCLUDED_AUDIO_OSX_H */