Mercurial > hg > octave-nkf
annotate scripts/deprecated/loadaudio.m @ 20076:781adfc2958c draft obsolete nkf
Build qt graphics toolkit menus with uimenu
* libgui/graphics/Figure.cc, libgui/graphics/Figure.h: Revert cset 7335cc071ab0
and remove all menu items.
* scripts/gui/private/__get_funcname__.m: Fix typo
* scripts/plot/util/private/__add_default_menu__.m: Enable uimenu for qt
graphics toolkit and fix setting pan/rotate/zoom for qt and fltk
| author | Stefan Mahr <dac922@gmx.de> |
|---|---|
| date | Fri, 27 Feb 2015 18:36:05 +0100 |
| parents | 4197fc428c7d |
| children |
| rev | line source |
|---|---|
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maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 1995-2015 John W. Eaton |
| 2313 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 2313 | 9 ## |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 2303 | 18 |
| 3332 | 19 ## -*- texinfo -*- |
| 20 ## @deftypefn {Function File} {} loadaudio (@var{name}, @var{ext}, @var{bps}) | |
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21 ## |
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22 ## @code{loadaudio} is deprecated and will be removed in Octave version 4.4. |
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parents:
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23 ## Please use @code{audioread} in all new code. |
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24 ## |
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25 ## Load audio data from the file @file{@var{name}.@var{ext}} into the |
| 3426 | 26 ## vector @var{x}. |
| 2311 | 27 ## |
| 3332 | 28 ## The extension @var{ext} determines how the data in the audio file is |
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29 ## interpreted; the extensions @file{lin} (default) and @file{raw} |
| 3332 | 30 ## correspond to linear, the extensions @file{au}, @file{mu}, or @file{snd} |
| 31 ## to mu-law encoding. | |
| 3426 | 32 ## |
| 3332 | 33 ## The argument @var{bps} can be either 8 (default) or 16, and specifies |
| 34 ## the number of bits per sample used in the audio file. | |
| 5642 | 35 ## @seealso{lin2mu, mu2lin, saveaudio, playaudio, setaudio, record} |
| 3332 | 36 ## @end deftypefn |
| 5642 | 37 |
| 2311 | 38 |
| 2312 | 39 ## Author: AW <Andreas.Weingessel@ci.tuwien.ac.at> |
| 40 ## Created: 10 April 1994 | |
| 41 ## Adapted-By: jwe | |
| 42 | |
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43 function X = loadaudio (name, ext, bps) |
| 2325 | 44 |
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Mike Miller <mtmiller@ieee.org>
parents:
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45 persistent warned = false; |
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Mike Miller <mtmiller@ieee.org>
parents:
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46 if (! warned) |
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Mike Miller <mtmiller@ieee.org>
parents:
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changeset
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47 warned = true; |
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Mike Miller <mtmiller@ieee.org>
parents:
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48 warning ("Octave:deprecated-function", |
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Mike Miller <mtmiller@ieee.org>
parents:
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49 "loadaudio is obsolete and will be removed from a future version of Octave, please use audioread instead"); |
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Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
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50 endif |
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Mike Miller <mtmiller@ieee.org>
parents:
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51 |
| 1636 | 52 if (nargin == 0 || nargin > 3) |
| 6046 | 53 print_usage (); |
| 1636 | 54 endif |
| 55 | |
| 56 if (nargin == 1) | |
| 57 ext = "lin"; | |
| 58 endif | |
| 59 | |
| 60 if (nargin < 3) | |
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61 bps = 8; |
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Rik <octave@nomad.inbox5.com>
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62 elseif (bps != 8 && bps != 16) |
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63 error ("loadaudio: BPS must be either 8 or 16"); |
| 1636 | 64 endif |
| 65 | |
| 66 name = [name, ".", ext]; | |
| 3167 | 67 num = fopen (name, "rb"); |
| 1636 | 68 |
| 3167 | 69 if (strcmp (ext, "lin") || strcmp (ext, "raw") || strcmp (ext, "pcm")) |
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Rik <octave@nomad.inbox5.com>
parents:
10793
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70 if (bps == 8) |
| 1636 | 71 [Y, c] = fread (num, inf, "uchar"); |
| 72 X = Y - 127; | |
| 73 else | |
| 74 [X, c] = fread (num, inf, "short"); | |
| 75 endif | |
| 3471 | 76 elseif (strcmp (ext, "mu") || strcmp (ext, "au") |
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77 || strcmp (ext, "snd") || strcmp (ext, "ul")) |
| 1636 | 78 [Y, c] = fread (num, inf, "uchar"); |
| 2303 | 79 ## remove file header |
| 6024 | 80 m = find (Y(1:64) == 0, 1, "last"); |
| 1636 | 81 if (! isempty (m)) |
| 82 Y(1:m) = []; | |
| 83 endif | |
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Rik <octave@nomad.inbox5.com>
parents:
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84 X = mu2lin (Y, bps); |
| 1636 | 85 else |
| 86 fclose (num); | |
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87 error ("loadaudio: unsupported extension"); |
| 1636 | 88 endif |
| 89 | |
| 90 fclose (num); | |
| 2325 | 91 |
| 1636 | 92 endfunction |
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93 |