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annotate scripts/audio/@audiorecorder/audiorecorder.m @ 20923:58263bea2fdf

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Unified "sleep" functions to "octave_sleep" in C++ and "pause" in Octave. * doc/interpreter/system.txi: removed sleep and usleep from doc. * libinterp/corefcn/sysdep.cc (pause): updated docstring. * libinterp/corefcn/sysdep.cc (sleep): moved to deprecate sleep.m. * libinterp/corefcn/sysdep.cc (usleep): moved to deprecate usleep.m. * scripts/deprecated/sleep.m: moved here from sysdep.cc. * scripts/deprecated/usleep.m: moved here from sysdep.cc. * scripts/deprecated/module.mk: add sleep.m and usleep.m to build system. * NEWS: deprecation news for sleep and usleep. * libinterp/corefcn/data.cc: examples updated. * libinterp/corefcn/syscalls.cc: examples updated. * scripts/audio/@audioplayer/audioplayer.m: examples updated. * scripts/audio/@audiorecorder/audiorecorder.m: examples updated. * scripts/plot/util/ginput.m: examples updated. * scripts/plot/util/private/__gnuplot_get_var__.m: use pause. * scripts/plot/util/private/__gnuplot_ginput__.m: use pause. * libinterp/corefcn/utils.cc (octave_sleep): Unified "sleep" functions here. * libinterp/corefcn/utils.h: removed header cutils.h. * libinterp/corefcn/graphics.cc (drawnow): use octave_sleep. * libinterp/corefcn/graphics.cc (waitfor): use octave_sleep. * libinterp/corefcn/toplev.cc (clean_up_and_exit): use octave_sleep. * libinterp/corefcn/cutils.c: removed no longer needed code. * libinterp/corefcn/cutils.h: removed no longer needed header. * libinterp/corefcn/matherr.c: removed orphaned code. * libinterp/corefcn/module.mk: removed cutils.h, cutils.c, and matherr.c from build system.
author Kai T. Ohlhus <k.ohlhus@gmail.com>
date Thu, 17 Dec 2015 16:04:13 +0100
parents 516bb87ea72e
children bac0d6f07a3e
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1 ## Copyright (C) 2013-2015 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 {} {@var{recorder} =} audiorecorder ()
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21 ## @deftypefnx {} {@var{recorder} =} audiorecorder (@var{fs}, @var{nbits}, @var{channels})
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22 ## @deftypefnx {} {@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.
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25 ##
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26 ## The optional arguments @var{fs}, @var{nbits}, @var{channels}, and @var{id}
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27 ## specify the sample rate, bit depth, number of channels and recording
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28 ## device id, respectively. Device IDs may be found using the audiodevinfo
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29 ## function.
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30 ## @end deftypefn
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31
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32 ## FIXME: callbacks don't work properly, apparently because portaudio
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33 ## will execute the callbacks in a separate thread, and calling Octave
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34 ## functions in a separate thread which is likely to cause trouble with
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35 ## all of Octave's global data...
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36 ##
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37 ## @deftypefnx {} {@var{recorder} =} audiorecorder (@var{function}, @dots{})
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38 ##
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39 ## Given a function handle, use that function to process the audio.
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40
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41 function recorder = audiorecorder (varargin)
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42
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43 if (nargin > 5)
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44 print_usage ();
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45 endif
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46
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47 if (nargin > 0 && ischar (varargin{1}))
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48 varargin{1} = str2func (varargin{1});
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49 endif
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50
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51 recorder.recorder = __recorder_audiorecorder__ (varargin{:});
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52 recorder = class (recorder, "audiorecorder");
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53
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54 endfunction
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55
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56
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57 %!demo
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58 %! recorder = audiorecorder (44100, 16, 2);
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59 %! record (recorder, 1);
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60 %! pause (2);
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61 %! player1 = audioplayer (recorder);
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62 %! player2 = getplayer (recorder);
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63 %! play (player1);
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64 %! pause (2);
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65 %! play (player2);
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66 %! pause (2);
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67 %! stop (player1);
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68 %! stop (player2);
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69
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70 ## Tests of audiorecorder must not actually record anything.
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71
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72 %!testif HAVE_PORTAUDIO
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73 %! recorder = audiorecorder (44100, 16, 2);
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74 %! data = getaudiodata (recorder, "int16");
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75 %! assert (strcmp (class (data), "int16"));
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76 %! data = getaudiodata (recorder, "int8");
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77 %! assert (strcmp (class (data), "int8"));
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78 %! data = getaudiodata (recorder, "uint8");
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79 %! assert (strcmp (class (data), "uint8"));
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80 %! assert (size (data)(1), recorder.TotalSamples);
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81 %! assert (size (data)(2), 2);
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82
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83 %!testif HAVE_PORTAUDIO
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84 %! recorder = audiorecorder;
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85 %! set (recorder, {"SampleRate", "Tag", "UserData"}, {8000, "tag", [1, 2; 3, 4]});
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86 %! assert (recorder.SampleRate, 8000);
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87 %! assert (recorder.Tag, "tag");
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88 %! assert (recorder.UserData, [1, 2; 3, 4]);
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89
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90 %!testif HAVE_PORTAUDIO
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91 %! recorder = audiorecorder;
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92 %! settable = set (recorder);
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93 %! settable.SampleRate = 8000;
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94 %! settable.Tag = "tag";
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95 %! settable.UserData = [1, 2; 3, 4];
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96 %! set (recorder, settable);
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97 %! assert (recorder.SampleRate, 8000);
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98 %! assert (recorder.Tag, "tag");
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99 %! assert (recorder.UserData, [1, 2; 3, 4]);
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100
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101 %!testif HAVE_PORTAUDIO
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102 %! recorder = audiorecorder;
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103 %! recorder.SampleRate = 8000;
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104 %! recorder.Tag = "tag";
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105 %! recorder.UserData = [1, 2; 3, 4];
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106 %! properties = get (recorder, {"SampleRate", "Tag", "UserData"});
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107 %! assert (properties, {8000, "tag", [1, 2; 3, 4]});
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108
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109 #%!function status = callback_record (sound)
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110 #%! fid = fopen ("record.txt", "at");
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111 #%! for index = 1:rows(sound)
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112 #%! fprintf (fid, "%.4f, %.4f\n", sound(index, 1), sound(index, 2));
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113 #%! endfor
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114 #%! fclose (fid);
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115 #%! status = 0;
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116 #%!endfunction
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117
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118 #%!testif HAVE_PORTAUDIO
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119 #%! recorder = audiorecorder (@callback_record, 44100);
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120 #%! unlink ("record.txt")
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121 #%! record (recorder);
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122 #%! pause (2);
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7f5006dfa2eb * audiorecorder.m: Fix test.
John W. Eaton <jwe@octave.org>
parents: 19571
diff changeset
123 #%! stop (recorder);
19509
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
124 #%! s = stat ("record.txt");
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
125 #%! assert (s.size > 0);
19476
e1f98e402a7e New files - @audiorecorder and @audioplayer classes
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
126
19528
4f615cd9a68d Use "testif HAVE_PORTAUDIO" for new audio function tests
Andreas Weber <andy.weber.aw@gmail.com>
parents: 19523
diff changeset
127 #%!testif HAVE_PORTAUDIO
19509
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
128 #%! recorder = audiorecorder (@callback_record, 44100);
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
129 #%! unlink ("record.txt")
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
130 #%! record (recorder);
20923
58263bea2fdf Unified "sleep" functions to "octave_sleep" in C++ and "pause" in Octave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 20852
diff changeset
131 #%! pause (2);
19509
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
132 #%! stop (recorder);
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
133 #%! s = stat ("record.txt");
2a16dac2176f fix audioplayer tests
John W. Eaton <jwe@octave.org>
parents: 19507
diff changeset
134 #%! assert (s.size > 0);