Mercurial > octave
view scripts/audio/@audiorecorder/audiorecorder.m @ 20923:58263bea2fdf
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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## Copyright (C) 2013-2015 Vytautas JanĨauskas ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 3 of the License, or (at ## your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {@var{recorder} =} audiorecorder () ## @deftypefnx {} {@var{recorder} =} audiorecorder (@var{fs}, @var{nbits}, @var{channels}) ## @deftypefnx {} {@var{recorder} =} audiorecorder (@var{fs}, @var{nbits}, @var{channels}, @var{id}) ## Create an audiorecorder object recording 8 bit mono audio at 8000 Hz ## sample rate. ## ## The optional arguments @var{fs}, @var{nbits}, @var{channels}, and @var{id} ## specify the sample rate, bit depth, number of channels and recording ## device id, respectively. Device IDs may be found using the audiodevinfo ## function. ## @end deftypefn ## FIXME: callbacks don't work properly, apparently because portaudio ## will execute the callbacks in a separate thread, and calling Octave ## functions in a separate thread which is likely to cause trouble with ## all of Octave's global data... ## ## @deftypefnx {} {@var{recorder} =} audiorecorder (@var{function}, @dots{}) ## ## Given a function handle, use that function to process the audio. function recorder = audiorecorder (varargin) if (nargin > 5) print_usage (); endif if (nargin > 0 && ischar (varargin{1})) varargin{1} = str2func (varargin{1}); endif recorder.recorder = __recorder_audiorecorder__ (varargin{:}); recorder = class (recorder, "audiorecorder"); endfunction %!demo %! recorder = audiorecorder (44100, 16, 2); %! record (recorder, 1); %! pause (2); %! player1 = audioplayer (recorder); %! player2 = getplayer (recorder); %! play (player1); %! pause (2); %! play (player2); %! pause (2); %! stop (player1); %! stop (player2); ## Tests of audiorecorder must not actually record anything. %!testif HAVE_PORTAUDIO %! recorder = audiorecorder (44100, 16, 2); %! data = getaudiodata (recorder, "int16"); %! assert (strcmp (class (data), "int16")); %! data = getaudiodata (recorder, "int8"); %! assert (strcmp (class (data), "int8")); %! data = getaudiodata (recorder, "uint8"); %! assert (strcmp (class (data), "uint8")); %! assert (size (data)(1), recorder.TotalSamples); %! assert (size (data)(2), 2); %!testif HAVE_PORTAUDIO %! recorder = audiorecorder; %! set (recorder, {"SampleRate", "Tag", "UserData"}, {8000, "tag", [1, 2; 3, 4]}); %! assert (recorder.SampleRate, 8000); %! assert (recorder.Tag, "tag"); %! assert (recorder.UserData, [1, 2; 3, 4]); %!testif HAVE_PORTAUDIO %! recorder = audiorecorder; %! settable = set (recorder); %! settable.SampleRate = 8000; %! settable.Tag = "tag"; %! settable.UserData = [1, 2; 3, 4]; %! set (recorder, settable); %! assert (recorder.SampleRate, 8000); %! assert (recorder.Tag, "tag"); %! assert (recorder.UserData, [1, 2; 3, 4]); %!testif HAVE_PORTAUDIO %! recorder = audiorecorder; %! recorder.SampleRate = 8000; %! recorder.Tag = "tag"; %! recorder.UserData = [1, 2; 3, 4]; %! properties = get (recorder, {"SampleRate", "Tag", "UserData"}); %! assert (properties, {8000, "tag", [1, 2; 3, 4]}); #%!function status = callback_record (sound) #%! fid = fopen ("record.txt", "at"); #%! for index = 1:rows(sound) #%! fprintf (fid, "%.4f, %.4f\n", sound(index, 1), sound(index, 2)); #%! endfor #%! fclose (fid); #%! status = 0; #%!endfunction #%!testif HAVE_PORTAUDIO #%! recorder = audiorecorder (@callback_record, 44100); #%! unlink ("record.txt") #%! record (recorder); #%! pause (2); #%! stop (recorder); #%! s = stat ("record.txt"); #%! assert (s.size > 0); #%!testif HAVE_PORTAUDIO #%! recorder = audiorecorder (@callback_record, 44100); #%! unlink ("record.txt") #%! record (recorder); #%! pause (2); #%! stop (recorder); #%! s = stat ("record.txt"); #%! assert (s.size > 0);