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annotate scripts/audio/@audiorecorder/audiorecorder.m @ 19609:7f5006dfa2eb

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* audiorecorder.m: Fix test.
author John W. Eaton <jwe@octave.org>
date Tue, 13 Jan 2015 23:06:08 -0500
parents 72304a4e010a
children b2fe4dbe5266
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ## Copyright (C) 2013 Vytautas Jančauskas
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {@var{recorder} =} audiorecorder ()
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21 ## @deftypefnx {Function File} {@var{recorder} =} audiorecorder (@var{fs}, @var{nbits}, @var{channels})
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22 ## @deftypefnx {Function File} {@var{recorder} =} audiorecorder (@var{fs}, @var{nbits}, @var{channels}, @var{id})
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23 ## Create an audiorecorder object recording 8 bit mono audio at 8000 Hz
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24 ## sample rate. The optional arguments @var{fs}, @var{nbits},
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25 ## @var{channels}, and @var{id} specify the sample rate, bit depth,
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26 ## number of channels and recording device id, respectively. Device IDs
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27 ## may be found using the audiodevinfo function.
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28 ## @end deftypefn
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29
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30 ## FIXME: callbacks don't work properly, apparently because portaudio
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31 ## will execute the callbacks in a separate thread, and calling Octave
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32 ## functions in a separate thread which is likely to cause trouble with
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33 ## all of Octave's global data...
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34 ##
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35 ## @deftypefnx {Function File} {@var{recorder} =} audiorecorder (@var{function}, @dots{})
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36 ##
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37 ## Given a function handle, use that function to process the audio.
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38
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39 function recorder = audiorecorder (varargin)
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40
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41 if (nargin > 5)
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42 print_usage ();
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43 endif
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44
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45 if (nargin > 0 && ischar (varargin{1}))
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46 varargin{1} = str2func (varargin{1});
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47 endif
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48
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49 recorder.recorder = __recorder_audiorecorder__ (varargin{:});
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50 recorder = class (recorder, "audiorecorder");
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51
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52 endfunction
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53
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54 %!testif HAVE_PORTAUDIO
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55 %! recorder = audiorecorder (44100, 16, 2);
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56 %! recordblocking (recorder, 1);
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57 %! data = getaudiodata (recorder, "int16");
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58 %! assert (strcmp (class (data), "int16"));
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59 %! data = getaudiodata (recorder, "int8");
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60 %! assert (strcmp (class (data), "int8"));
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61 %! data = getaudiodata (recorder, "uint8");
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62 %! assert (strcmp (class (data), "uint8"));
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63 %! assert (size (data)(1), recorder.TotalSamples);
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64 %! assert (size (data)(2), 2);
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65 %! assert (size (data)(1) != 0);
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66
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67 %!testif HAVE_PORTAUDIO
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68 %! recorder = audiorecorder (44100, 16, 2);
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69 %! record (recorder, 1)
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70 %! sleep (2);
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71 %! record (recorder, 1);
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72 %! sleep (2);
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73 %! data = getaudiodata (recorder);
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74 %! assert (size (data)(1) < 44100 * 2);
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75
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76 %!testif HAVE_PORTAUDIO
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77 %! recorder = audiorecorder (44100, 16, 2);
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78 %! record (recorder, 1);
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79 %! sleep (2);
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80 %! player1 = audioplayer (recorder);
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81 %! player2 = getplayer (recorder);
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82 %! play (player1);
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83 %! sleep (2);
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84 %! play (player2);
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85 %! sleep (2);
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86 %! assert (player1.TotalSamples, recorder.TotalSamples);
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87 %! assert (player2.TotalSamples, recorder.TotalSamples);
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88
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89 %!testif HAVE_PORTAUDIO
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90 %! recorder = audiorecorder;
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91 %! set (recorder, {"SampleRate", "Tag", "UserData"}, {8000, "tag", [1, 2; 3, 4]});
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92 %! assert (recorder.SampleRate, 8000);
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93 %! assert (recorder.Tag, "tag");
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94 %! assert (recorder.UserData, [1, 2; 3, 4]);
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95
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96 %!testif HAVE_PORTAUDIO
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97 %! recorder = audiorecorder;
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98 %! settable = set (recorder);
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99 %! settable.SampleRate = 8000;
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100 %! settable.Tag = "tag";
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101 %! settable.UserData = [1, 2; 3, 4];
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102 %! set (recorder, settable);
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103 %! assert (recorder.SampleRate, 8000);
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104 %! assert (recorder.Tag, "tag");
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105 %! assert (recorder.UserData, [1, 2; 3, 4]);
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106
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107 %!testif HAVE_PORTAUDIO
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108 %! recorder = audiorecorder;
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109 %! recorder.SampleRate = 8000;
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110 %! recorder.Tag = "tag";
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111 %! recorder.UserData = [1, 2; 3, 4];
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112 %! properties = get (recorder, {"SampleRate", "Tag", "UserData"});
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113 %! assert (properties, {8000, "tag", [1, 2; 3, 4]});
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114
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115 #%!function status = callback_record (sound)
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116 #%! fid = fopen ("record.txt", "at");
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117 #%! for index = 1:rows(sound)
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118 #%! fprintf (fid, "%.4f, %.4f\n", sound(index, 1), sound(index, 2));
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119 #%! endfor
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120 #%! fclose (fid);
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121 #%! status = 0;
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122 #%!endfunction
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123
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124 #%!testif HAVE_PORTAUDIO
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125 #%! recorder = audiorecorder (@callback_record, 44100);
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126 #%! unlink ("record.txt")
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127 #%! record (recorder);
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128 #%! sleep (2);
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129 #%! stop (recorder);
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130 #%! s = stat ("record.txt");
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131 #%! assert (s.size > 0);
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4f615cd9a68d Use "testif HAVE_PORTAUDIO" for new audio function tests
Andreas Weber <andy.weber.aw@gmail.com>
parents: 19557
diff changeset
133 #%!testif HAVE_PORTAUDIO
19543
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
134 #%! recorder = audiorecorder (@callback_record, 44100);
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
135 #%! unlink ("record.txt")
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
136 #%! record (recorder);
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
137 #%! sleep (2);
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
138 #%! stop (recorder);
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
139 #%! s = stat ("record.txt");
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19541
diff changeset
140 #%! assert (s.size > 0);