Mercurial > octave
annotate libinterp/dldfcn/audiodevinfo.cc @ 19516:fc85d9026bb6
doc fixes for audio functions
* audiodevinfo.cc, audioread.cc: Style fixes for docstrings.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 02 Jan 2015 11:42:04 -0500 |
| parents | 0f7788e2d677 |
| children | 22e2f11424b3 |
| rev | line source |
|---|---|
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1 /* |
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2 |
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3 Copyright (C) 2013 Vytautas Jančauskas |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
| 19510 | 27 // <cstdint> requires c++11 |
| 28 #include <stdint.h> | |
| 29 | |
| 30 #include <string> | |
| 31 #include <vector> | |
| 32 | |
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33 #include "defun-dld.h" |
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34 #include "error.h" |
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35 #include "gripes.h" |
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36 #include "oct-obj.h" |
| 19510 | 37 #include "ov.h" |
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38 #include "ov-int32.h" |
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39 #include "ov-struct.h" |
| 19510 | 40 #include "parse.h" |
| 41 | |
| 42 #if defined (HAVE_PORTAUDIO) | |
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43 #include <portaudio.h> |
| 19510 | 44 #endif |
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45 |
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46 PaSampleFormat |
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47 bits_to_format (int bits) |
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48 { |
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49 if (bits == 8) |
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50 return paInt8; |
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51 else if (bits == 16) |
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52 return paInt16; |
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53 else if (bits == 24) |
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54 return paInt24; |
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55 else if (bits == 32) |
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56 return paInt32; |
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57 else if (bits == -1) |
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58 return paFloat32; |
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59 else |
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60 return 0; |
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61 } |
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62 |
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63 DEFUN_DLD (audiodevinfo, args, , |
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64 "-*- texinfo -*-\n\ |
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65 @deftypefn {Loadable Function} {@var{devinfo} =} audiodevinfo ()\n\ |
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66 \n\ |
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67 @deftypefnx {Loadable Function} {@var{devs} =} audiodevinfo (@var{io})\n\ |
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68 @deftypefnx {Loadable Function} {@var{name} =} audiodevinfo (@var{io}, @var{id})\n\ |
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69 @deftypefnx {Loadable Function} {@var{id} =} audiodevinfo (@var{io}, @var{name})\n\ |
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70 @deftypefnx {Loadable Function} {@var{id} =} audiodevinfo (@var{io}, @var{rate}, @var{bits}, @var{chans})\n\ |
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71 \n\ |
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72 @deftypefnx {Loadable Function} {@var{supports} =} audiodevinfo (@var{io}, @var{id}, @var{rate}, @var{bits}, @var{chans})\n\ |
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73 \n\ |
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74 Return a structure with fields \"input\" and \"output\".\n\ |
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75 The value of each field is a structure array with fields\n\ |
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76 \"Name\", \"DriverVersion\" and \"ID\" describing an audio device.\n\ |
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77 \n\ |
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78 \n\ |
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79 If the optional argument @var{io} is 1, return information about input\n\ |
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80 devices only. If it is 0, return information about output devices only.\n\ |
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81 \n\ |
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82 If the optional argument @var{id} is provided, return information about\n\ |
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83 corresponding device.\n\ |
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84 \n\ |
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85 If the optional argument @var{name} is provided, return the id of the\n\ |
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86 named device.\n\ |
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87 \n\ |
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88 Given a sampling rate, bits per sample, and number of channels for\n\ |
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89 an input or output device, return the ID of the first device that\n\ |
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90 supports playback or recording using the specified parameters.\n\ |
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91 \n\ |
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92 If also given a device ID, return true if the device supports playback\n\ |
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93 or recording using those parameters.\n\ |
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94 @end deftypefn") |
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95 { |
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96 octave_value retval; |
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97 #ifdef HAVE_PORTAUDIO |
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98 int nargin = args.length (); |
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99 PaError err; |
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100 octave_scalar_map devinfo; |
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101 octave_value_list input; |
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102 octave_value_list output; |
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103 |
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104 err = Pa_Initialize (); |
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105 if (err != paNoError) |
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106 { |
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107 error ("audiodevinfo: cannot initialize PortAudio"); |
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108 return retval; |
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109 } |
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110 |
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111 int num_devices = Pa_GetDeviceCount (); |
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112 if (num_devices < 0) |
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113 { |
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114 error ("audiodevinfo: no audio device found"); |
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115 return retval; |
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116 } |
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117 |
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118 octave_idx_type numinput = 0, numoutput = 0; |
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119 for (int i = 0; i < num_devices; i++) |
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120 { |
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121 const PaDeviceInfo *device_info = Pa_GetDeviceInfo (i); |
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122 if (device_info->maxInputChannels != 0) |
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123 numinput++; |
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124 if (device_info->maxOutputChannels != 0) |
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125 numoutput++; |
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126 } |
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127 |
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128 Cell input_name (dim_vector (1, numinput)); |
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129 Cell input_driver_version (dim_vector (1, numinput)); |
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130 Cell input_id (dim_vector (1, numinput)); |
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131 Cell output_name (dim_vector (1, numoutput)); |
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132 Cell output_driver_version (dim_vector (1, numoutput)); |
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133 Cell output_id (dim_vector (1, numoutput)); |
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134 |
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135 octave_idx_type idx_i = 0, idx_o = 0; |
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136 for (int i = 0; i < num_devices; i++) |
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137 { |
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138 const PaDeviceInfo *device_info = Pa_GetDeviceInfo (i); |
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139 const char *driver; |
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140 char name[128]; |
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141 driver = Pa_GetHostApiInfo (device_info->hostApi)->name; |
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142 sprintf (name, "%s (%s)", device_info->name, driver); |
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143 |
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144 if (device_info->maxInputChannels != 0) |
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145 { |
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146 input_name(idx_i) = name; |
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147 input_driver_version(idx_i) = driver; |
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148 input_id(idx_i) = i; |
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149 idx_i++; |
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150 } |
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151 |
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152 if (device_info->maxOutputChannels != 0) |
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153 { |
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154 output_name(idx_o) = name; |
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155 output_driver_version(idx_o) = driver; |
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156 output_id(idx_o) = i; |
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157 idx_o++; |
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158 } |
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159 } |
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160 |
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161 octave_map inputdev, outputdev; |
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162 inputdev.setfield ("Name", input_name); |
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163 inputdev.setfield ("DriverVersion", input_driver_version); |
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164 inputdev.setfield ("ID", input_id); |
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165 outputdev.setfield ("Name", output_name); |
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166 outputdev.setfield ("DriverVersion", output_driver_version); |
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167 outputdev.setfield ("ID", output_id); |
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168 devinfo.setfield ("input", inputdev); |
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169 devinfo.setfield ("output", outputdev); |
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170 |
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171 // Return information about input and output audio devices and |
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172 // their properties. |
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173 if (nargin == 0) |
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174 retval = devinfo; |
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175 // Return the number of input or output devices |
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176 else if (nargin == 1) |
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177 { |
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178 if (args(0).int_value () == 0) |
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179 retval = octave_value (numoutput); |
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180 else if (args(0).int_value () == 1) |
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181 retval = octave_value (numinput); |
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182 else |
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183 { |
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184 error ("audiodevinfo: please specify 0 for output and 1 for input devices"); |
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185 return retval; |
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186 } |
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187 } |
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188 // Return device name when given id or id when given device name. |
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189 else if (nargin == 2) |
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190 { |
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191 bool found = false; |
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192 int outin = args(0).int_value (); |
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193 if (args(1).is_string ()) |
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194 { |
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195 if (outin == 0) |
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196 { |
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197 for (int i = 0; i < numoutput; i++) |
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198 { |
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199 if (output_name(i).string_value () == args(1).string_value ()) |
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200 { |
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201 retval = output_id(i); |
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202 found = true; |
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203 break; |
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204 } |
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205 } |
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206 } |
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207 else if (outin == 1) |
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208 { |
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209 for (int i = 0; i < numinput; i++) |
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210 { |
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211 if (input_name(i).string_value () == args(1).string_value ()) |
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212 { |
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213 retval = input_id(i); |
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214 found = true; |
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215 break; |
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216 } |
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217 } |
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218 } |
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219 else |
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220 { |
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221 error ("audiodevinfo: please specify 0 for output and 1 for input devices"); |
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222 return retval; |
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223 } |
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224 } |
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225 else |
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226 { |
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227 if (outin == 0) |
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228 { |
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229 for (int i = 0; i < numoutput; i++) |
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230 { |
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231 if (output_id(i).int_value () == args(1).int_value ()) |
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232 { |
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233 retval = output_name(i); |
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234 found = true; |
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|
235 break; |
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236 } |
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237 } |
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238 } |
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239 else if (outin == 1) |
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240 { |
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241 for (int i = 0; i < numinput; i++) |
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242 { |
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243 if (input_id(i).int_value () == args(1).int_value ()) |
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244 { |
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245 retval = input_name(i); |
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246 found = true; |
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247 break; |
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248 } |
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249 } |
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250 } |
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251 else |
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252 { |
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253 error ("audiodevinfo: please specify 0 for output and 1 for input devices"); |
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254 return retval; |
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parents:
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255 } |
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256 } |
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257 if (not found) |
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258 error ("audiodevinfo: no device meeting the specified criteria found"); |
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259 } |
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260 else if (nargin == 3) |
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261 { |
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262 // |
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263 } |
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264 // Return the id of the first device meeting specified criteria. |
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265 else if (nargin == 4) |
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266 { |
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267 int io = args(0).int_value (); |
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268 int rate = args(1).int_value (); |
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269 int bits = args(2).int_value (); |
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270 int chans = args(3).int_value (); |
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271 for (int i = 0; i < num_devices; i++) |
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272 { |
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273 PaStreamParameters stream_parameters; |
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274 stream_parameters.device = i; |
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275 stream_parameters.channelCount = chans; |
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276 PaSampleFormat format = bits_to_format (bits); |
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277 if (format != 0) |
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278 stream_parameters.sampleFormat = format; |
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279 else |
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parents:
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280 { |
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281 error ("audiodevinfo: no such bits per sample format"); |
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282 return retval; |
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
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|
283 } |
|
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parents:
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284 stream_parameters.suggestedLatency = |
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285 Pa_GetDeviceInfo (i)->defaultLowInputLatency; |
|
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286 stream_parameters.hostApiSpecificStreamInfo = NULL; |
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287 if (io == 0) |
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|
288 { |
|
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parents:
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289 if (Pa_GetDeviceInfo (i)->maxOutputChannels < chans) |
|
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|
290 continue; |
|
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|
291 |
|
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parents:
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|
292 err = Pa_IsFormatSupported (NULL, &stream_parameters, rate); |
|
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293 if (err == paFormatIsSupported) |
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parents:
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changeset
|
294 { |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
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|
295 retval = i; |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
296 return retval; |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
297 } |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
298 } |
|
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parents:
diff
changeset
|
299 else if (io == 1) |
|
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parents:
diff
changeset
|
300 { |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
301 if (Pa_GetDeviceInfo (i)->maxInputChannels < chans) |
|
19503
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parents:
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diff
changeset
|
302 continue; |
|
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parents:
19501
diff
changeset
|
303 |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
304 err = Pa_IsFormatSupported (&stream_parameters, NULL, rate); |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
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|
305 if (err == paFormatIsSupported) |
|
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parents:
diff
changeset
|
306 { |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
307 retval = i; |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
308 return retval; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
309 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
310 } |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
311 } |
|
19503
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parents:
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diff
changeset
|
312 retval = -1; |
|
19469
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parents:
diff
changeset
|
313 } |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
314 // Check if given device supports specified playback or recording modes. |
|
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parents:
diff
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|
315 else if (nargin == 5) |
|
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
316 { |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
317 int io = args(0).int_value (); |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
318 int id = args(1).int_value (); |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
319 int rate = args(2).int_value (); |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
320 int bits = args(3).int_value (); |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
321 int chans = args(4).int_value (); |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
322 PaStreamParameters stream_parameters; |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
323 stream_parameters.device = id; |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
324 stream_parameters.channelCount = chans; |
|
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parents:
19501
diff
changeset
|
325 PaSampleFormat format = bits_to_format (bits); |
|
19469
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
326 if (format != 0) |
|
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Apply Octave coding style to audio project additions
Mike Miller <mtmiller@ieee.org>
parents:
19501
diff
changeset
|
327 stream_parameters.sampleFormat = format; |
|
19469
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parents:
diff
changeset
|
328 else |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
329 { |
|
19503
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Mike Miller <mtmiller@ieee.org>
parents:
19501
diff
changeset
|
330 error ("audiodevinfo: no such bits per sample format"); |
|
19469
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
331 return retval; |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
332 } |
|
19503
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Apply Octave coding style to audio project additions
Mike Miller <mtmiller@ieee.org>
parents:
19501
diff
changeset
|
333 stream_parameters.suggestedLatency = |
|
19469
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
334 Pa_GetDeviceInfo (id)->defaultLowInputLatency; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
335 stream_parameters.hostApiSpecificStreamInfo = NULL; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
336 if (io == 0) |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
337 { |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
338 if (Pa_GetDeviceInfo (id)->maxOutputChannels < chans) |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
339 { |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
340 retval = 0; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
341 return retval; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
342 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
343 err = Pa_IsFormatSupported (NULL, &stream_parameters, rate); |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
344 if (err == paFormatIsSupported) |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
345 { |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
346 retval = 1; |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
347 return retval; |
|
ea5c156aa804
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Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
348 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
349 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
350 else if (io == 1) |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
351 { |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
352 if (Pa_GetDeviceInfo (id)->maxInputChannels < chans) |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
353 { |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
354 retval = 0; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
355 return retval; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
356 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
357 err = Pa_IsFormatSupported (&stream_parameters, NULL, rate); |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
358 if (err == paFormatIsSupported) |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
359 { |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
360 retval = 1; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
361 return retval; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
362 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
363 } |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
364 else |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
365 { |
|
19503
36a26a131209
Apply Octave coding style to audio project additions
Mike Miller <mtmiller@ieee.org>
parents:
19501
diff
changeset
|
366 error ("audiodevinfo: please specify 0 for output and 1 for input devices"); |
|
19469
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff
changeset
|
367 return retval; |
|
ea5c156aa804
audiodevinfo.cc: new file
Vytautas Jančauskas <unaudio@gmail.com>
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368 } |
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369 retval = 0; |
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370 } |
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371 else |
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372 { |
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373 error ("audiodevinfo: wrong number of arguments"); |
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374 return retval; |
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375 } |
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376 #else |
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377 error ("portaudio not found on your system and thus audio functionality is not present"); |
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378 #endif |
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379 return retval; |
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380 } |
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381 |
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382 /* |
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383 %!test |
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384 %! devinfo = audiodevinfo; |
| 19509 | 385 %! assert (rows (devinfo.input), 1); |
| 386 %! assert (rows (devinfo.output), 1); | |
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387 |
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388 %!test |
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389 %! devinfo = audiodevinfo; |
| 19509 | 390 %! nout = audiodevinfo (0); |
| 391 %! nin = audiodevinfo (1); | |
| 392 %! assert (columns (devinfo.output), nout); | |
| 393 %! assert (columns (devinfo.input), nin); | |
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394 |
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395 %!test |
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396 %! devinfo = audiodevinfo; |
| 19509 | 397 %! nout = audiodevinfo (0); |
| 398 %! nin = audiodevinfo (1); | |
| 399 %! for i = 1:nout, | |
| 400 %! assert (devinfo.output(i).Name, audiodevinfo (0, devinfo.output(i).ID)) | |
| 401 %! endfor | |
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402 %! for i=1:nin, |
| 19509 | 403 %! assert (devinfo.input(i).Name, audiodevinfo (1, devinfo.input(i).ID)) |
| 404 %! endfor | |
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405 |
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406 %!test |
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407 %! devinfo = audiodevinfo; |
| 19509 | 408 %! nout = audiodevinfo (0); |
| 409 %! nin = audiodevinfo (1); | |
| 410 %! for i = 1:nout, | |
| 411 %! assert (devinfo.output(i).ID, audiodevinfo (0, devinfo.output(i).Name)) | |
| 412 %! endfor | |
| 413 %! for i = 1:nin, | |
| 414 %! assert (devinfo.input(i).ID, audiodevinfo (1, devinfo.input(i).Name)) | |
| 415 %! endfor | |
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416 */ |
| 19510 | 417 |
| 418 enum audio_type { INT8, UINT8, INT16, DOUBLE }; | |
| 419 | |
| 420 class audioplayer : public octave_base_value | |
| 421 { | |
| 422 public: | |
| 423 audioplayer (void); | |
| 424 ~audioplayer (void) {}; | |
| 425 | |
| 426 // Overloaded base functions | |
| 427 double player_value (void) const { return 0; } | |
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428 virtual double scalar_value (bool = false) const { return 0; } |
| 19510 | 429 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 430 void print_raw (std::ostream& os, bool pr_as_read_syntax) const; | |
| 431 | |
| 432 // Properties | |
| 433 bool is_constant (void) const { return true; } | |
| 434 bool is_defined (void) const { return true; } | |
| 435 bool print_as_scalar (void) const { return true; } | |
| 436 | |
| 437 void init (void); | |
| 438 void init_fn (void); | |
| 439 void set_y (octave_value y); | |
| 440 void set_y (octave_function *fn); | |
| 441 void set_y (std::string fn); | |
| 442 Matrix& get_y (void); | |
| 443 RowVector *get_left (void); | |
| 444 RowVector *get_right (void); | |
| 445 void set_fs (int fs); | |
| 446 int get_fs (void); | |
| 447 void set_nbits (int nbits); | |
| 448 int get_nbits (void); | |
| 449 void set_id (int id); | |
| 450 int get_id (void); | |
| 451 int get_channels (void); | |
| 452 audio_type get_type (void); | |
| 453 | |
| 454 void set_sample_number (unsigned int sample); | |
| 455 unsigned int get_sample_number (void); | |
| 456 unsigned int get_total_samples (void); | |
| 457 void set_end_sample (unsigned int sample); | |
| 458 unsigned int get_end_sample (void); | |
| 459 void reset_end_sample (void); | |
| 460 void set_tag (charMatrix tag); | |
| 461 charMatrix get_tag (void); | |
| 462 void set_userdata (octave_value userdata); | |
| 463 octave_value get_userdata (void); | |
| 464 PaStream *get_stream (void); | |
| 465 octave_function *octave_callback_function; | |
| 466 | |
| 467 void playblocking (void); | |
| 468 void play (void); | |
| 469 void pause (void); | |
| 470 void resume (void); | |
| 471 void stop (void); | |
| 472 bool isplaying (void); | |
| 473 | |
| 474 private: | |
| 475 Matrix y; | |
| 476 RowVector left; | |
| 477 RowVector right; | |
| 478 charMatrix tag; | |
| 479 octave_value userdata; | |
| 480 int channels; | |
| 481 int fs; | |
| 482 int nbits; | |
| 483 int id; | |
| 484 unsigned int sample_number; | |
| 485 unsigned int end_sample; | |
| 486 PaStream *stream; | |
| 487 PaStreamParameters output_parameters; | |
| 488 audio_type type; | |
| 489 DECLARE_OCTAVE_ALLOCATOR | |
| 490 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA | |
| 491 }; | |
| 492 | |
| 493 #define BUFFER_SIZE 512 | |
| 494 | |
| 495 DEFINE_OCTAVE_ALLOCATOR (audioplayer); | |
| 496 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (audioplayer, "audioplayer", "audioplayer"); | |
| 497 | |
| 498 int | |
| 499 is_big_endian (void) | |
| 500 { | |
| 501 union | |
| 502 { | |
| 503 uint32_t i; | |
| 504 char c[4]; | |
| 505 } bint = { 0x01020304 }; | |
| 506 return bint.c[0] == 1; | |
| 507 } | |
| 508 | |
| 509 static int | |
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510 octave_play_callback (const void *, void *output, unsigned long frames, |
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511 const PaStreamCallbackTimeInfo *, |
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512 PaStreamCallbackFlags, void *data) |
| 19510 | 513 { |
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514 audioplayer *player = static_cast<audioplayer *> (data); |
| 19510 | 515 int big_endian = is_big_endian (); |
| 516 octave_value_list args, retval; | |
| 517 args(0) = frames; | |
| 518 retval = feval (player->octave_callback_function, args, 1); | |
| 519 RowVector sound_l, sound_r; | |
| 520 Matrix sound = retval(0).matrix_value (); | |
| 521 int return_status = retval(1).int_value (); | |
| 522 sound_l.resize (frames); | |
| 523 sound_r.resize (frames); | |
| 524 if (sound.cols () == 1) | |
| 525 { | |
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526 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 527 { |
| 528 sound_l(i) = sound(i, 0); | |
| 529 sound_r(i) = sound(i, 0); | |
| 530 } | |
| 531 } | |
| 532 else if (sound.cols () == 2) | |
| 533 { | |
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534 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 535 { |
| 536 sound_l(i) = sound(i, 0); | |
| 537 sound_r(i) = sound(i, 1); | |
| 538 } | |
| 539 } | |
| 540 else | |
| 541 return paAbort; | |
| 542 | |
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543 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 544 { |
| 545 if (player->get_nbits () == 8) | |
| 546 { | |
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547 int8_t *buffer = static_cast<int8_t *> (output); |
| 19510 | 548 buffer[2 * i] = sound_l.elem (i) * (pow (2.0, 7) - 1); |
| 549 buffer[2 * i + 1] = sound_r.elem (i) * (pow (2.0, 7) - 1); | |
| 550 } | |
| 551 else if (player->get_nbits () == 16) | |
| 552 { | |
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553 int16_t *buffer = static_cast<int16_t *> (output); |
| 19510 | 554 buffer[2 * i] = sound_l.elem (i) * (pow (2.0, 15) - 1); |
| 555 buffer[2 * i + 1] = sound_r.elem (i) * (pow (2.0, 15) - 1); | |
| 556 } | |
| 557 else if (player->get_nbits () == 24) | |
| 558 { | |
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559 uint8_t *buffer = static_cast<uint8_t *> (output); |
| 19510 | 560 int32_t sample_l = sound_l.elem (i) * (pow (2.0, 23) - 1); |
| 561 int32_t sample_r = sound_r.elem (i) * (pow (2.0, 23) - 1); | |
| 562 sample_l &= 0x00ffffff; | |
| 563 sample_r &= 0x00ffffff; | |
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564 // FIXME: Would a mask work better? |
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565 uint8_t *_sample_l = reinterpret_cast<uint8_t *> (&sample_l); |
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566 uint8_t *_sample_r = reinterpret_cast<uint8_t *> (&sample_r); |
| 19510 | 567 buffer[i * 6 + 0] = _sample_l[0 + big_endian]; |
| 568 buffer[i * 6 + 1] = _sample_l[1 + big_endian]; | |
| 569 buffer[i * 6 + 2] = _sample_l[2 + big_endian]; | |
| 570 buffer[i * 6 + 3] = _sample_r[0 + big_endian]; | |
| 571 buffer[i * 6 + 4] = _sample_r[1 + big_endian]; | |
| 572 buffer[i * 6 + 5] = _sample_r[2 + big_endian]; | |
| 573 } | |
| 574 } | |
| 575 return return_status; | |
| 576 } | |
| 577 | |
| 578 static int | |
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579 portaudio_play_callback (const void *, void *output, unsigned long frames, |
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580 const PaStreamCallbackTimeInfo*, |
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581 PaStreamCallbackFlags, void *data) |
| 19510 | 582 { |
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583 audioplayer *player = static_cast<audioplayer *> (data); |
| 19510 | 584 int big_endian = is_big_endian (); |
| 585 int channels = player->get_channels (); | |
| 586 RowVector *sound_l = player->get_left (); | |
| 587 RowVector *sound_r; | |
| 588 | |
| 589 if (channels > 1) | |
| 590 sound_r = player->get_right (); | |
| 591 else | |
| 592 sound_r = sound_l; | |
| 593 | |
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594 for (unsigned long j = 0, k = 0; j < frames; j++, k += 2) |
| 19510 | 595 { |
| 596 unsigned int sample_number = player->get_sample_number (); | |
| 597 if (sample_number > player->get_end_sample ()) | |
| 598 return paAbort; | |
| 599 | |
| 600 if (player->get_type () == DOUBLE) | |
| 601 { | |
| 602 if (player->get_nbits () == 8) | |
| 603 { | |
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604 int8_t *buffer = static_cast<int8_t *> (output); |
| 19510 | 605 buffer[k] = sound_l->elem (sample_number) * (pow (2.0, 7) - 1); |
| 606 buffer[k + 1] = sound_r->elem (sample_number) * (pow (2.0, 7) - 1); | |
| 607 } | |
| 608 else if (player->get_nbits () == 16) | |
| 609 { | |
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610 int16_t *buffer = static_cast<int16_t *> (output); |
| 19510 | 611 buffer[k] = sound_l->elem (sample_number) * (pow (2.0, 15) - 1); |
| 612 buffer[k + 1] = sound_r->elem (sample_number) * (pow (2.0, 15) - 1); | |
| 613 } | |
| 614 else if (player->get_nbits () == 24) | |
| 615 { | |
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616 uint8_t *buffer = static_cast<uint8_t *> (output); |
| 19510 | 617 int32_t sample_l = sound_l->elem (sample_number) * (pow (2.0, 23) - 1); |
| 618 int32_t sample_r = sound_r->elem (sample_number) * (pow (2.0, 23) - 1); | |
| 619 sample_l &= 0x00ffffff; | |
| 620 sample_r &= 0x00ffffff; | |
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621 // FIXME: Would a mask work better? |
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622 uint8_t *_sample_l = reinterpret_cast<uint8_t *> (&sample_l); |
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623 uint8_t *_sample_r = reinterpret_cast<uint8_t *> (&sample_r); |
| 19510 | 624 buffer[j * 6 + 0] = _sample_l[0 + big_endian]; |
| 625 buffer[j * 6 + 1] = _sample_l[1 + big_endian]; | |
| 626 buffer[j * 6 + 2] = _sample_l[2 + big_endian]; | |
| 627 buffer[j * 6 + 3] = _sample_r[0 + big_endian]; | |
| 628 buffer[j * 6 + 4] = _sample_r[1 + big_endian]; | |
| 629 buffer[j * 6 + 5] = _sample_r[2 + big_endian]; | |
| 630 } | |
| 631 } | |
| 632 else if (player->get_type () == INT8) | |
| 633 { | |
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634 int8_t *buffer = static_cast<int8_t *> (output); |
| 19510 | 635 buffer[k] = sound_l->elem (sample_number); |
| 636 buffer[k + 1] = sound_r->elem (sample_number); | |
| 637 } | |
| 638 else if (player->get_type () == UINT8) | |
| 639 { | |
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640 uint8_t *buffer = static_cast<uint8_t *> (output); |
| 19510 | 641 buffer[k] = sound_l->elem (sample_number); |
| 642 buffer[k + 1] = sound_r->elem (sample_number); | |
| 643 } | |
| 644 else if (player->get_type () == INT16) | |
| 645 { | |
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646 int16_t *buffer = static_cast<int16_t *> (output); |
| 19510 | 647 buffer[k] = sound_l->elem (sample_number); |
| 648 buffer[k + 1] = sound_r->elem (sample_number); | |
| 649 } | |
| 650 player->set_sample_number (sample_number + 1); | |
| 651 } | |
| 652 return paContinue; | |
| 653 } | |
| 654 | |
| 655 audioplayer::audioplayer (void) | |
| 656 { | |
| 657 this->nbits = 16; | |
| 658 this->id = -1; | |
| 659 this->sample_number = 0; | |
| 660 this->tag = charMatrix (""); | |
| 661 Matrix userdata; | |
| 662 this->userdata = octave_value (userdata); | |
| 663 this->stream = 0; | |
| 664 this->octave_callback_function = 0; | |
| 665 } | |
| 666 | |
| 667 void | |
| 668 audioplayer::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 669 { | |
| 670 print_raw (os, pr_as_read_syntax); | |
| 671 newline (os); | |
| 672 } | |
| 673 | |
| 674 void | |
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675 audioplayer::print_raw (std::ostream& os, bool) const |
| 19510 | 676 { |
| 677 os << 0; | |
| 678 } | |
| 679 | |
| 680 void | |
| 681 audioplayer::init_fn (void) | |
| 682 { | |
| 683 PaError err; | |
| 684 int device; | |
| 685 | |
| 686 err = Pa_Initialize (); | |
| 687 if (err != paNoError) | |
| 688 { | |
| 689 error ("audioplayer: Initialization error!"); | |
| 690 return; | |
| 691 } | |
| 692 | |
| 693 int numDevices = Pa_GetDeviceCount (); | |
| 694 if (numDevices < 0) | |
| 695 { | |
| 696 error ("audioplayer: No audio devices found!"); | |
| 697 return; | |
| 698 } | |
| 699 | |
| 700 if (this->get_id () == -1) | |
| 701 device = Pa_GetDefaultOutputDevice (); | |
| 702 else | |
| 703 device = this->get_id (); | |
| 704 | |
| 705 output_parameters.device = device; | |
| 706 output_parameters.channelCount = 2; | |
| 707 output_parameters.sampleFormat = bits_to_format (this->get_nbits ()); | |
| 708 output_parameters.suggestedLatency = Pa_GetDeviceInfo (device)->defaultHighOutputLatency; | |
| 709 output_parameters.hostApiSpecificStreamInfo = NULL; | |
| 710 } | |
| 711 | |
| 712 void | |
| 713 audioplayer::init (void) | |
| 714 { | |
| 715 PaError err; | |
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716 |
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717 // Both of these variables are unused. Should they be |
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718 // eliminated or is something not yet implemented? |
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719 // |
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720 // int channels = this->y.rows (); |
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721 // RowVector *sound_l = this->get_left (); |
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722 |
| 19510 | 723 int device; |
| 724 | |
| 725 err = Pa_Initialize (); | |
| 726 if (err != paNoError) | |
| 727 { | |
| 728 error ("audioplayer: Initialization error!"); | |
| 729 return; | |
| 730 } | |
| 731 | |
| 732 int numDevices = Pa_GetDeviceCount (); | |
| 733 if (numDevices < 0) | |
| 734 { | |
| 735 error ("audioplayer: No audio devices found!"); | |
| 736 return; | |
| 737 } | |
| 738 | |
| 739 if (this->get_id () == -1) | |
| 740 device = Pa_GetDefaultOutputDevice (); | |
| 741 else | |
| 742 device = this->get_id (); | |
| 743 | |
| 744 output_parameters.device = device; | |
| 745 output_parameters.channelCount = 2; | |
| 746 | |
| 747 if (this->type == DOUBLE) | |
| 748 output_parameters.sampleFormat = bits_to_format (this->get_nbits ()); | |
| 749 else if (this->type == INT8) | |
| 750 output_parameters.sampleFormat = paInt8; | |
| 751 else if (this->type == UINT8) | |
| 752 output_parameters.sampleFormat = paUInt8; | |
| 753 else if (this->type == INT16) | |
| 754 output_parameters.sampleFormat = paInt16; | |
| 755 | |
| 756 output_parameters.suggestedLatency = Pa_GetDeviceInfo (device)->defaultHighOutputLatency; | |
| 757 output_parameters.hostApiSpecificStreamInfo = NULL; | |
| 758 } | |
| 759 | |
| 760 void | |
| 761 audioplayer::set_y (octave_value y) | |
| 762 { | |
| 763 if (y.is_int8_type ()) | |
| 764 this->type = INT8; | |
| 765 else if (y.is_uint8_type ()) | |
| 766 this->type = UINT8; | |
| 767 else if (y.is_int16_type ()) | |
| 768 this->type = INT16; | |
| 769 else | |
| 770 this->type = DOUBLE; | |
| 771 | |
| 772 this->y = y.matrix_value (); | |
| 773 if (this->y.rows () > 2) | |
| 774 this->y = this->y.transpose (); | |
| 775 | |
| 776 this->channels = this->y.rows (); | |
| 777 this->left = this->y.row (0); | |
| 778 if (this->channels == 2) | |
| 779 this->right = this->y.row (1); | |
| 780 | |
| 781 this->reset_end_sample (); | |
| 782 } | |
| 783 | |
| 784 void | |
| 785 audioplayer::set_y (octave_function *fn) | |
| 786 { | |
| 787 this->octave_callback_function = fn; | |
| 788 this->channels = 2; | |
| 789 this->reset_end_sample (); | |
| 790 } | |
| 791 | |
| 792 Matrix& | |
| 793 audioplayer::get_y (void) | |
| 794 { | |
| 795 return this->y; | |
| 796 } | |
| 797 | |
| 798 RowVector * | |
| 799 audioplayer::get_left (void) | |
| 800 { | |
| 801 return &(this->left); | |
| 802 } | |
| 803 | |
| 804 RowVector * | |
| 805 audioplayer::get_right (void) | |
| 806 { | |
| 807 return &(this->right); | |
| 808 } | |
| 809 | |
| 810 void | |
| 811 audioplayer::set_fs (int fs) | |
| 812 { | |
| 813 this->fs = fs; | |
| 814 } | |
| 815 | |
| 816 int | |
| 817 audioplayer::get_fs (void) | |
| 818 { | |
| 819 return this->fs; | |
| 820 } | |
| 821 | |
| 822 void | |
| 823 audioplayer::set_nbits (int nbits) | |
| 824 { | |
| 825 this->nbits = nbits; | |
| 826 } | |
| 827 | |
| 828 int | |
| 829 audioplayer::get_nbits (void) | |
| 830 { | |
| 831 return this->nbits; | |
| 832 } | |
| 833 | |
| 834 void | |
| 835 audioplayer::set_id (int id) | |
| 836 { | |
| 837 this->id = id; | |
| 838 } | |
| 839 | |
| 840 int | |
| 841 audioplayer::get_id (void) | |
| 842 { | |
| 843 return this->id; | |
| 844 } | |
| 845 | |
| 846 int | |
| 847 audioplayer::get_channels (void) | |
| 848 { | |
| 849 return this->channels; | |
| 850 } | |
| 851 | |
| 852 audio_type | |
| 853 audioplayer::get_type (void) | |
| 854 { | |
| 855 return this->type; | |
| 856 } | |
| 857 | |
| 858 void | |
| 859 audioplayer::set_sample_number (unsigned int sample_number) | |
| 860 { | |
| 861 this->sample_number = sample_number; | |
| 862 } | |
| 863 | |
| 864 unsigned int | |
| 865 audioplayer::get_sample_number (void) | |
| 866 { | |
| 867 return this->sample_number; | |
| 868 } | |
| 869 | |
| 870 unsigned int | |
| 871 audioplayer::get_total_samples (void) | |
| 872 { | |
| 873 return this->left.length (); | |
| 874 } | |
| 875 | |
| 876 void | |
| 877 audioplayer::set_end_sample (unsigned int end_sample) | |
| 878 { | |
| 879 this->end_sample = end_sample; | |
| 880 } | |
| 881 | |
| 882 unsigned int | |
| 883 audioplayer::get_end_sample (void) | |
| 884 { | |
| 885 return this->end_sample; | |
| 886 } | |
| 887 | |
| 888 void | |
| 889 audioplayer::reset_end_sample (void) | |
| 890 { | |
| 891 this->set_end_sample (this->left.length ()); | |
| 892 } | |
| 893 | |
| 894 void | |
| 895 audioplayer::set_tag (charMatrix tag) | |
| 896 { | |
| 897 this->tag = tag; | |
| 898 } | |
| 899 | |
| 900 charMatrix | |
| 901 audioplayer::get_tag (void) | |
| 902 { | |
| 903 return this->tag; | |
| 904 } | |
| 905 | |
| 906 void | |
| 907 audioplayer::set_userdata (octave_value userdata) | |
| 908 { | |
| 909 this->userdata = userdata; | |
| 910 } | |
| 911 | |
| 912 octave_value | |
| 913 audioplayer::get_userdata (void) | |
| 914 { | |
| 915 return this->userdata; | |
| 916 } | |
| 917 | |
| 918 void | |
| 919 audioplayer::playblocking (void) | |
| 920 { | |
| 921 if (this->get_stream ()) | |
| 922 this->stop (); | |
| 923 | |
| 924 PaError err; | |
| 925 uint32_t buffer[BUFFER_SIZE * 2]; | |
| 926 err = Pa_OpenStream (&stream, NULL, &(this->output_parameters), this->get_fs (), BUFFER_SIZE, paClipOff, NULL, NULL); | |
| 927 if (err != paNoError) | |
| 928 { | |
| 929 error ("audioplayer: Error opening audio playback stream"); | |
| 930 return; | |
| 931 } | |
| 932 | |
| 933 err = Pa_StartStream (stream); | |
| 934 if (err != paNoError) | |
| 935 { | |
| 936 error ("audioplayer: Error starting audio playback stream"); | |
| 937 return; | |
| 938 } | |
| 939 | |
| 940 unsigned int start, end; | |
| 941 start = this->get_sample_number (); | |
| 942 end = this->get_end_sample (); | |
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943 for (unsigned int i = start; i < end; i += BUFFER_SIZE) |
| 19510 | 944 { |
| 945 if (this->octave_callback_function != 0) | |
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946 octave_play_callback (0, buffer, BUFFER_SIZE, 0, 0, this); |
| 19510 | 947 else |
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948 portaudio_play_callback (0, buffer, BUFFER_SIZE, 0, 0, this); |
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949 |
| 19510 | 950 err = Pa_WriteStream (stream, buffer, BUFFER_SIZE); |
| 951 } | |
| 952 | |
| 953 err = Pa_StopStream (stream); | |
| 954 if (err != paNoError) | |
| 955 { | |
| 956 error ("audioplayer: Error stoping audio playback stream"); | |
| 957 return; | |
| 958 } | |
| 959 | |
| 960 err = Pa_CloseStream (stream); | |
| 961 if (err != paNoError) | |
| 962 { | |
| 963 error ("audioplayer: Error closing audio playback stream"); | |
| 964 return; | |
| 965 } | |
| 966 | |
| 967 stream = 0; | |
| 968 this->set_sample_number (0); | |
| 969 this->reset_end_sample (); | |
| 970 } | |
| 971 | |
| 972 void | |
| 973 audioplayer::play (void) | |
| 974 { | |
| 975 if (this->get_stream ()) | |
| 976 this->stop (); | |
| 977 | |
| 978 PaError err; | |
| 979 if (this->octave_callback_function != 0) | |
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980 err = Pa_OpenStream (&stream, NULL, &(this->output_parameters), |
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981 this->get_fs (), BUFFER_SIZE, paClipOff, |
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982 octave_play_callback, this); |
| 19510 | 983 else |
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984 err = Pa_OpenStream (&stream, NULL, &(this->output_parameters), |
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985 this->get_fs (), BUFFER_SIZE, paClipOff, |
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986 portaudio_play_callback, this); |
| 19510 | 987 |
| 988 if (err != paNoError) | |
| 989 { | |
| 990 error ("audioplayer: Error opening audio playback stream"); | |
| 991 return; | |
| 992 } | |
| 993 | |
| 994 err = Pa_StartStream (stream); | |
| 995 if (err != paNoError) | |
| 996 { | |
| 997 error ("audioplayer: Error starting audio playback stream"); | |
| 998 return; | |
| 999 } | |
| 1000 } | |
| 1001 | |
| 1002 void | |
| 1003 audioplayer::pause (void) | |
| 1004 { | |
| 1005 if (this->get_stream () == 0) | |
| 1006 return; | |
| 1007 | |
| 1008 PaError err; | |
| 1009 err = Pa_StopStream (stream); | |
| 1010 if (err != paNoError) | |
| 1011 { | |
| 1012 error ("audiorecorder: Error stoping audio recording stream"); | |
| 1013 return; | |
| 1014 } | |
| 1015 } | |
| 1016 | |
| 1017 void | |
| 1018 audioplayer::resume (void) | |
| 1019 { | |
| 1020 if (this->get_stream () == 0) | |
| 1021 return; | |
| 1022 | |
| 1023 PaError err; | |
| 1024 err = Pa_StartStream (stream); | |
| 1025 if (err != paNoError) | |
| 1026 { | |
| 1027 error ("audiorecorder: Error starting audio recording stream"); | |
| 1028 return; | |
| 1029 } | |
| 1030 } | |
| 1031 | |
| 1032 PaStream * | |
| 1033 audioplayer::get_stream (void) | |
| 1034 { | |
| 1035 return this->stream; | |
| 1036 } | |
| 1037 | |
| 1038 void | |
| 1039 audioplayer::stop (void) | |
| 1040 { | |
| 1041 if (this->get_stream () == 0) | |
| 1042 return; | |
| 1043 | |
| 1044 PaError err; | |
| 1045 this->set_sample_number (0); | |
| 1046 this->reset_end_sample (); | |
| 1047 if (not Pa_IsStreamStopped (this->get_stream ())) | |
| 1048 { | |
| 1049 err = Pa_AbortStream (this->get_stream ()); | |
| 1050 if (err != paNoError) | |
| 1051 { | |
| 1052 error ("audioplayer: Error stopping audio playback stream"); | |
| 1053 return; | |
| 1054 } | |
| 1055 } | |
| 1056 | |
| 1057 err = Pa_CloseStream (this->get_stream ()); | |
| 1058 if (err != paNoError) | |
| 1059 { | |
| 1060 error ("audioplayer: Error closing audio playback stream"); | |
| 1061 return; | |
| 1062 } | |
| 1063 | |
| 1064 stream = 0; | |
| 1065 } | |
| 1066 | |
| 1067 bool | |
| 1068 audioplayer::isplaying (void) | |
| 1069 { | |
| 1070 if (this->get_stream () == 0) | |
| 1071 return false; | |
| 1072 | |
| 1073 PaError err; | |
| 1074 err = Pa_IsStreamActive (stream); | |
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1075 if (err != 0 && err != 1) |
| 19510 | 1076 { |
| 1077 error ("audiorecorder: Error checking stream activity status"); | |
| 1078 return false; | |
| 1079 } | |
| 1080 | |
| 1081 return (err == 1); | |
| 1082 } | |
| 1083 | |
| 1084 class audiorecorder : public octave_base_value | |
| 1085 { | |
| 1086 public: | |
| 1087 audiorecorder (void); | |
| 1088 ~audiorecorder (void) {}; | |
| 1089 | |
| 1090 // Overloaded base functions | |
| 1091 double player_value (void) const { return 0; } | |
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1092 virtual double scalar_value (bool = false) const { return 0; } |
| 19510 | 1093 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 1094 void print_raw (std::ostream& os, bool pr_as_read_syntax) const; | |
| 1095 | |
| 1096 // Properties | |
| 1097 bool is_constant (void) const { return true; } | |
| 1098 bool is_defined (void) const { return true; } | |
| 1099 bool print_as_scalar (void) const { return true; } | |
| 1100 | |
| 1101 void init (void); | |
| 1102 void set_fs (int fs); | |
| 1103 int get_fs (void); | |
| 1104 void set_nbits (int nbits); | |
| 1105 int get_nbits (void); | |
| 1106 void set_id (int id); | |
| 1107 int get_id (void); | |
| 1108 void set_channels (int channels); | |
| 1109 int get_channels (void); | |
| 1110 audio_type get_type (void); | |
| 1111 | |
| 1112 void set_sample_number (unsigned int sample); | |
| 1113 unsigned int get_sample_number (void); | |
| 1114 unsigned int get_total_samples (void); | |
| 1115 void set_end_sample (unsigned int sample); | |
| 1116 unsigned int get_end_sample (void); | |
| 1117 void reset_end_sample (void); | |
| 1118 void set_tag (charMatrix tag); | |
| 1119 charMatrix get_tag (void); | |
| 1120 void set_userdata (octave_value userdata); | |
| 1121 octave_value get_userdata (void); | |
| 1122 PaStream *get_stream (void); | |
| 1123 octave_function *octave_callback_function; | |
| 1124 | |
| 1125 octave_value getaudiodata (void); | |
| 1126 audioplayer *getplayer (void); | |
| 1127 bool isrecording (void); | |
| 1128 audioplayer play (void); | |
| 1129 void record (void); | |
| 1130 void recordblocking (float seconds); | |
| 1131 void pause (void); | |
| 1132 void resume (void); | |
| 1133 void stop (void); | |
| 1134 void append (float sample_l, float sample_r); | |
| 1135 | |
| 1136 private: | |
| 1137 Matrix y; | |
| 1138 std::vector<float> left; | |
| 1139 std::vector<float> right; | |
| 1140 charMatrix tag; | |
| 1141 octave_value userdata; | |
| 1142 int channels; | |
| 1143 int fs; | |
| 1144 int nbits; | |
| 1145 int id; | |
| 1146 unsigned int sample_number; | |
| 1147 unsigned int end_sample; | |
| 1148 PaStream *stream; | |
| 1149 PaStreamParameters input_parameters; | |
| 1150 audio_type type; | |
| 1151 DECLARE_OCTAVE_ALLOCATOR | |
| 1152 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA | |
| 1153 }; | |
| 1154 | |
| 1155 DEFINE_OCTAVE_ALLOCATOR (audiorecorder); | |
| 1156 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (audiorecorder, "audiorecorder", "audiorecorder"); | |
| 1157 | |
| 1158 static int | |
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1159 octave_record_callback (const void *input, void *, unsigned long frames, |
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1160 const PaStreamCallbackTimeInfo *, |
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1161 PaStreamCallbackFlags, void *data) |
| 19510 | 1162 { |
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1163 audiorecorder *recorder = static_cast<audiorecorder *> (data); |
| 19510 | 1164 int channels = recorder->get_channels (); |
| 1165 float sample_l, sample_r; | |
| 1166 Matrix sound; | |
| 1167 sound.resize (frames, 2); | |
| 1168 if (recorder->get_nbits () == 8) | |
| 1169 { | |
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1170 const int8_t *input8 = static_cast<const int8_t *> (input); |
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1171 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 1172 { |
| 1173 sample_l = input8[i * channels] / (pow (2.0, 7) - 1.0); | |
| 1174 sample_r = input8[i * channels + (channels - 1)] / (pow (2.0, 7) - 1.0); | |
| 1175 sound(i, 0) = sample_l; | |
| 1176 sound(i, 1) = sample_r; | |
| 1177 } | |
| 1178 } | |
| 1179 else if (recorder->get_nbits () == 16) | |
| 1180 { | |
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1181 const int16_t *input16 = static_cast<const int16_t *> (input); |
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1182 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 1183 { |
| 1184 sample_l = input16[i * channels] / (pow (2.0, 15) - 1.0); | |
| 1185 sample_r = input16[i * channels + (channels - 1)] / (pow (2.0, 15) - 1.0); | |
| 1186 sound(i, 0) = sample_l; | |
| 1187 sound(i, 1) = sample_r; | |
| 1188 } | |
| 1189 } | |
| 1190 else if (recorder->get_nbits () == 24) | |
| 1191 { | |
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1192 // FIXME: Is there a better way? |
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1193 const uint8_t *input24 = static_cast<const uint8_t *> (input); |
| 19510 | 1194 int32_t sample_l32, sample_r32; |
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1195 uint8_t *_sample_l = reinterpret_cast<uint8_t *> (&sample_l); |
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1196 uint8_t *_sample_r = reinterpret_cast<uint8_t *> (&sample_r); |
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1197 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 1198 { |
| 1199 for (int j = 0; j < 3; j++) | |
| 1200 { | |
| 1201 _sample_l[j] = input24[i * channels * 3 + j]; | |
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1202 _sample_r[j] = input24[i * channels * 3 + (channels - 1) * 3 + j]; |
| 19510 | 1203 } |
| 1204 if (sample_l32 & 0x00800000) | |
| 1205 sample_l32 |= 0xff000000; | |
| 1206 if (sample_r32 & 0x00800000) | |
| 1207 sample_r32 |= 0xff000000; | |
| 1208 sound(i, 0) = sample_l32 / pow (2.0, 23); | |
| 1209 sound(i, 1) = sample_r32 / pow (2.0, 23); | |
| 1210 } | |
| 1211 } | |
| 1212 | |
| 1213 octave_value_list args, retval; | |
| 1214 args(0) = sound; | |
| 1215 retval = feval (recorder->octave_callback_function, args, 1); | |
| 1216 return retval(0).int_value (); | |
| 1217 } | |
| 1218 | |
| 1219 static int | |
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1220 portaudio_record_callback (const void *input, void *, unsigned long frames, |
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1221 const PaStreamCallbackTimeInfo *, |
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1222 PaStreamCallbackFlags, void *data) |
| 19510 | 1223 { |
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1224 audiorecorder *recorder = static_cast<audiorecorder *> (data); |
| 19510 | 1225 int channels = recorder->get_channels (); |
| 1226 float sample_l, sample_r; | |
| 1227 if (recorder->get_nbits () == 8) | |
| 1228 { | |
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1229 const int8_t *input8 = static_cast<const int8_t *> (input); |
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1230 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 1231 { |
| 1232 sample_l = input8[i * channels] / (pow (2.0, 7) - 1.0); | |
| 1233 sample_r = input8[i * channels + (channels - 1)] / (pow (2.0, 7) - 1.0); | |
| 1234 recorder->append (sample_l, sample_r); | |
| 1235 } | |
| 1236 } | |
| 1237 else if (recorder->get_nbits () == 16) | |
| 1238 { | |
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1239 const int16_t *input16 = static_cast<const int16_t *> (input); |
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1240 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 1241 { |
| 1242 sample_l = input16[i * channels] / (pow (2.0, 15) - 1.0); | |
| 1243 sample_r = input16[i * channels + (channels - 1)] / (pow (2.0, 15) - 1.0); | |
| 1244 recorder->append (sample_l, sample_r); | |
| 1245 } | |
| 1246 } | |
| 1247 else if (recorder->get_nbits () == 24) | |
| 1248 { | |
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1249 // FIXME: Is there a better way? |
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1250 const uint8_t *input24 = static_cast<const uint8_t *> (input); |
| 19510 | 1251 int32_t sample_l32, sample_r32; |
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1252 uint8_t *_sample_l = reinterpret_cast<uint8_t *> (&sample_l); |
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1253 uint8_t *_sample_r = reinterpret_cast<uint8_t *> (&sample_r); |
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1254 for (unsigned long i = 0; i < frames; i++) |
| 19510 | 1255 { |
| 1256 for (int j = 0; j < 3; j++) | |
| 1257 { | |
| 1258 _sample_l[j] = input24[i * channels * 3 + j]; | |
| 1259 _sample_r[j] = input24[i * channels * 3 + (channels - 1) * 3 + j]; | |
| 1260 } | |
| 1261 if (sample_l32 & 0x00800000) | |
| 1262 sample_l32 |= 0xff000000; | |
| 1263 if (sample_r32 & 0x00800000) | |
| 1264 sample_r32 |= 0xff000000; | |
| 1265 recorder->append (sample_l32 / pow (2.0, 23), sample_r32 / pow (2.0, 23)); | |
| 1266 } | |
| 1267 } | |
| 1268 | |
| 1269 if (recorder->get_sample_number () > recorder->get_end_sample ()) | |
| 1270 return paComplete; | |
| 1271 | |
| 1272 return paContinue; | |
| 1273 } | |
| 1274 | |
| 1275 audiorecorder::audiorecorder (void) | |
| 1276 { | |
| 1277 this->id = -1; | |
| 1278 this->sample_number = 0; | |
| 1279 this->channels = 1; | |
| 1280 this->tag = charMatrix (""); | |
| 1281 Matrix userdata; | |
| 1282 this->userdata = octave_value (userdata); | |
| 1283 this->stream = 0; | |
| 1284 this->end_sample = -1; | |
| 1285 this->set_fs (44100); | |
| 1286 this->set_nbits (16); | |
| 1287 this->set_channels (2); | |
| 1288 this->octave_callback_function = 0; | |
| 1289 } | |
| 1290 | |
| 1291 void | |
| 1292 audiorecorder::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 1293 { | |
| 1294 print_raw (os, pr_as_read_syntax); | |
| 1295 newline (os); | |
| 1296 } | |
| 1297 | |
| 1298 void | |
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1299 audiorecorder::print_raw (std::ostream& os, bool) const |
| 19510 | 1300 { |
| 1301 os << 0; | |
| 1302 } | |
| 1303 | |
| 1304 void | |
| 1305 audiorecorder::init (void) | |
| 1306 { | |
| 1307 PaError err; | |
| 1308 int device; | |
| 1309 err = Pa_Initialize (); | |
| 1310 if (err != paNoError) | |
| 1311 { | |
| 1312 error ("audiorecorder: Initialization error!"); | |
| 1313 return; | |
| 1314 } | |
| 1315 | |
| 1316 int numDevices = Pa_GetDeviceCount (); | |
| 1317 if (numDevices < 0) | |
| 1318 { | |
| 1319 error ("audiorecorder: No audio devices found!"); | |
| 1320 return; | |
| 1321 } | |
| 1322 | |
| 1323 if (this->get_id () == -1) | |
| 1324 device = Pa_GetDefaultInputDevice (); | |
| 1325 else | |
| 1326 device = this->get_id (); | |
| 1327 | |
| 1328 this->input_parameters.device = device; | |
| 1329 this->input_parameters.channelCount = this->get_channels (); | |
| 1330 this->input_parameters.sampleFormat = bits_to_format (this->get_nbits ()); | |
| 1331 this->input_parameters.suggestedLatency = Pa_GetDeviceInfo (device)->defaultHighInputLatency; | |
| 1332 this->input_parameters.hostApiSpecificStreamInfo = NULL; | |
| 1333 } | |
| 1334 | |
| 1335 void | |
| 1336 audiorecorder::set_fs (int fs) | |
| 1337 { | |
| 1338 this->fs = fs; | |
| 1339 } | |
| 1340 | |
| 1341 int | |
| 1342 audiorecorder::get_fs (void) | |
| 1343 { | |
| 1344 return this->fs; | |
| 1345 } | |
| 1346 | |
| 1347 void | |
| 1348 audiorecorder::set_nbits (int nbits) | |
| 1349 { | |
| 1350 this->nbits = nbits; | |
| 1351 } | |
| 1352 | |
| 1353 int | |
| 1354 audiorecorder::get_nbits (void) | |
| 1355 { | |
| 1356 return this->nbits; | |
| 1357 } | |
| 1358 | |
| 1359 void | |
| 1360 audiorecorder::set_id (int id) | |
| 1361 { | |
| 1362 this->id = id; | |
| 1363 } | |
| 1364 | |
| 1365 int | |
| 1366 audiorecorder::get_id (void) | |
| 1367 { | |
| 1368 return this->id; | |
| 1369 } | |
| 1370 | |
| 1371 void | |
| 1372 audiorecorder::set_channels (int channels) | |
| 1373 { | |
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1374 assert (channels == 1 || channels == 2); |
| 19510 | 1375 this->channels = channels; |
| 1376 } | |
| 1377 | |
| 1378 int | |
| 1379 audiorecorder::get_channels (void) | |
| 1380 { | |
| 1381 return this->channels; | |
| 1382 } | |
| 1383 | |
| 1384 audio_type | |
| 1385 audiorecorder::get_type (void) | |
| 1386 { | |
| 1387 return this->type; | |
| 1388 } | |
| 1389 | |
| 1390 void | |
| 1391 audiorecorder::set_sample_number (unsigned int sample_number) | |
| 1392 { | |
| 1393 this->sample_number = sample_number; | |
| 1394 } | |
| 1395 | |
| 1396 unsigned int | |
| 1397 audiorecorder::get_sample_number (void) | |
| 1398 { | |
| 1399 return this->sample_number; | |
| 1400 } | |
| 1401 | |
| 1402 unsigned int | |
| 1403 audiorecorder::get_total_samples (void) | |
| 1404 { | |
| 1405 return this->left.size (); | |
| 1406 } | |
| 1407 | |
| 1408 void | |
| 1409 audiorecorder::set_end_sample (unsigned int end_sample) | |
| 1410 { | |
| 1411 this->end_sample = end_sample; | |
| 1412 } | |
| 1413 | |
| 1414 unsigned int | |
| 1415 audiorecorder::get_end_sample (void) | |
| 1416 { | |
| 1417 return this->end_sample; | |
| 1418 } | |
| 1419 | |
| 1420 void | |
| 1421 audiorecorder::reset_end_sample (void) | |
| 1422 { | |
| 1423 this->set_end_sample (this->left.size ()); | |
| 1424 } | |
| 1425 | |
| 1426 void | |
| 1427 audiorecorder::set_tag (charMatrix tag) | |
| 1428 { | |
| 1429 this->tag = tag; | |
| 1430 } | |
| 1431 | |
| 1432 charMatrix | |
| 1433 audiorecorder::get_tag (void) | |
| 1434 { | |
| 1435 return this->tag; | |
| 1436 } | |
| 1437 | |
| 1438 void | |
| 1439 audiorecorder::set_userdata (octave_value userdata) | |
| 1440 { | |
| 1441 this->userdata = userdata; | |
| 1442 } | |
| 1443 | |
| 1444 octave_value | |
| 1445 audiorecorder::get_userdata (void) | |
| 1446 { | |
| 1447 return this->userdata; | |
| 1448 } | |
| 1449 | |
| 1450 octave_value | |
| 1451 audiorecorder::getaudiodata (void) | |
| 1452 { | |
| 1453 Matrix audio (2, this->left.size ()); | |
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1454 for (unsigned int i = 0; i < this->left.size (); i++) |
| 19510 | 1455 { |
| 1456 audio(0, i) = this->left[i]; | |
| 1457 audio(1, i) = this->right[i]; | |
| 1458 } | |
| 1459 return octave_value (audio); | |
| 1460 } | |
| 1461 | |
| 1462 audioplayer * | |
| 1463 audiorecorder::getplayer (void) | |
| 1464 { | |
| 1465 audioplayer *player = new audioplayer (); | |
| 1466 player->set_y (this->getaudiodata ()); | |
| 1467 player->set_fs (this->get_fs ()); | |
| 1468 player->set_nbits (this->get_nbits ()); | |
| 1469 player->init (); | |
| 1470 return player; | |
| 1471 } | |
| 1472 | |
| 1473 bool | |
| 1474 audiorecorder::isrecording (void) | |
| 1475 { | |
| 1476 if (this->get_stream () == 0) | |
| 1477 return false; | |
| 1478 | |
| 1479 PaError err; | |
| 1480 err = Pa_IsStreamActive (stream); | |
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1481 if (err != 0 && err != 1) |
| 19510 | 1482 { |
| 1483 error ("audiorecorder: Error checking stream activity status"); | |
| 1484 return false; | |
| 1485 } | |
| 1486 | |
| 1487 return (err == 1); | |
| 1488 } | |
| 1489 | |
| 1490 void | |
| 1491 audiorecorder::record (void) | |
| 1492 { | |
| 1493 if (this->get_stream ()) | |
| 1494 this->stop (); | |
| 1495 | |
| 1496 this->left.clear (); | |
| 1497 this->right.clear (); | |
| 1498 PaError err; | |
| 1499 if (this->octave_callback_function != 0) | |
| 1500 { | |
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1501 err = Pa_OpenStream (&stream, &(this->input_parameters), NULL, |
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1502 this->get_fs (), BUFFER_SIZE, paClipOff, |
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1503 octave_record_callback, this); |
| 19510 | 1504 } |
| 1505 else | |
| 1506 { | |
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1507 err = Pa_OpenStream (&stream, &(this->input_parameters), NULL, |
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1508 this->get_fs (), BUFFER_SIZE, paClipOff, |
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1509 portaudio_record_callback, this); |
| 19510 | 1510 } |
| 1511 if (err != paNoError) | |
| 1512 { | |
| 1513 error ("audiorecorder: Error opening audio recording stream"); | |
| 1514 return; | |
| 1515 } | |
| 1516 err = Pa_StartStream (stream); | |
| 1517 if (err != paNoError) | |
| 1518 { | |
| 1519 error ("audiorecorder: Error starting audio recording stream"); | |
| 1520 return; | |
| 1521 } | |
| 1522 } | |
| 1523 | |
| 1524 void | |
| 1525 audiorecorder::recordblocking (float seconds) | |
| 1526 { | |
| 1527 if (this->get_stream ()) | |
| 1528 this->stop (); | |
| 1529 | |
| 1530 this->left.clear (); | |
| 1531 this->right.clear (); | |
| 1532 | |
| 1533 PaError err; | |
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1534 err = Pa_OpenStream (&stream, &(this->input_parameters), NULL, |
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1535 this->get_fs (), BUFFER_SIZE, paClipOff, NULL, this); |
| 19510 | 1536 if (err != paNoError) |
| 1537 { | |
| 1538 error ("audiorecorder: Error opening audio recording stream"); | |
| 1539 return; | |
| 1540 } | |
| 1541 | |
| 1542 err = Pa_StartStream (stream); | |
| 1543 if (err != paNoError) | |
| 1544 { | |
| 1545 error ("audiorecorder: Error starting audio recording stream"); | |
| 1546 return; | |
| 1547 } | |
| 1548 | |
| 1549 unsigned int frames = seconds * this->get_fs (); | |
| 1550 uint8_t buffer[BUFFER_SIZE * 2 * 3]; | |
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1551 for (unsigned long i = 0; i < frames / BUFFER_SIZE; i++) |
| 19510 | 1552 { |
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1553 Pa_ReadStream (this->get_stream (), buffer, BUFFER_SIZE); |
| 19510 | 1554 if (this->octave_callback_function != 0) |
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1555 octave_record_callback (buffer, NULL, BUFFER_SIZE, 0, 0, this); |
| 19510 | 1556 else |
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1557 portaudio_record_callback (buffer, NULL, BUFFER_SIZE, 0, 0, this); |
| 19510 | 1558 } |
| 1559 } | |
| 1560 | |
| 1561 void | |
| 1562 audiorecorder::pause (void) | |
| 1563 { | |
| 1564 if (this->get_stream () == 0) | |
| 1565 return; | |
| 1566 | |
| 1567 PaError err; | |
| 1568 err = Pa_StopStream (stream); | |
| 1569 if (err != paNoError) | |
| 1570 { | |
| 1571 error ("audiorecorder: Error stoping audio recording stream"); | |
| 1572 return; | |
| 1573 } | |
| 1574 } | |
| 1575 | |
| 1576 void | |
| 1577 audiorecorder::resume (void) | |
| 1578 { | |
| 1579 if (this->get_stream () == 0) | |
| 1580 return; | |
| 1581 | |
| 1582 PaError err; | |
| 1583 err = Pa_StartStream (stream); | |
| 1584 if (err != paNoError) | |
| 1585 { | |
| 1586 error ("audiorecorder: Error starting audio recording stream"); | |
| 1587 return; | |
| 1588 } | |
| 1589 } | |
| 1590 | |
| 1591 void | |
| 1592 audiorecorder::stop (void) | |
| 1593 { | |
| 1594 if (this->get_stream () == 0) | |
| 1595 return; | |
| 1596 | |
| 1597 PaError err; | |
| 1598 if (not Pa_IsStreamStopped (this->get_stream ())) | |
| 1599 { | |
| 1600 err = Pa_AbortStream (this->get_stream ()); | |
| 1601 if (err != paNoError) | |
| 1602 { | |
| 1603 error ("audioplayer: Error stopping audio playback stream"); | |
| 1604 return; | |
| 1605 } | |
| 1606 } | |
| 1607 | |
| 1608 err = Pa_CloseStream (stream); | |
| 1609 if (err != paNoError) | |
| 1610 { | |
| 1611 error ("audiorecorder: Error closing audio recording stream"); | |
| 1612 return; | |
| 1613 } | |
| 1614 | |
| 1615 this->set_sample_number (0); | |
| 1616 this->reset_end_sample (); | |
| 1617 stream = 0; | |
| 1618 } | |
| 1619 | |
| 1620 void | |
| 1621 audiorecorder::append (float sample_l, float sample_r) | |
| 1622 { | |
| 1623 this->left.push_back (sample_l); | |
| 1624 this->right.push_back (sample_r); | |
| 1625 this->set_sample_number (this->get_sample_number () + 1); | |
| 1626 } | |
| 1627 | |
| 1628 PaStream * | |
| 1629 audiorecorder::get_stream (void) | |
| 1630 { | |
| 1631 return this->stream; | |
| 1632 } | |
| 1633 | |
| 1634 DEFUN_DLD (__recorder_audiorecorder__, args, , | |
| 1635 "-*- texinfo -*-\n\ | |
| 1636 @deftypefn {Loadable Function} {@var{recorder} =} __recorder_audiorecorder__ (@var{fs}, @var{nbits}, @var{channels})\n\ | |
| 1637 @deftypefnx {Loadable Function} {@var{recorder} =} __recorder_audiorecorder__ (@var{fs}, @var{nbits}, @var{channels}, @var{id})\n\ | |
| 1638 @deftypefnx {Loadable Function} {@var{recorder} =} __recorder_audiorecorder__ (@var{fcn}, @dots{})\n\ | |
| 1639 Undocumented internal function.\n\ | |
| 1640 @end deftypefn") | |
| 1641 { | |
| 1642 #ifdef HAVE_PORTAUDIO | |
| 1643 int nargin = args.length (); | |
| 1644 audiorecorder* retval = new audiorecorder (); | |
| 1645 int offset = 0; | |
| 1646 if (nargin > 0) | |
| 1647 { | |
| 1648 bool is_function = args(0).is_string () || args(0).is_function_handle () || args(0).is_inline_function (); | |
| 1649 if (is_function) | |
| 1650 { | |
| 1651 retval->octave_callback_function = args(0).function_value (); | |
| 1652 offset = 1; | |
| 1653 } | |
| 1654 } | |
| 1655 switch (nargin - offset) | |
| 1656 { | |
| 1657 case 3: | |
| 1658 retval->set_fs (args(0 + offset).int_value ()); | |
| 1659 retval->set_nbits (args(1 + offset).int_value ()); | |
| 1660 retval->set_channels (args(2 + offset).int_value ()); | |
| 1661 break; | |
| 1662 case 4: | |
| 1663 retval->set_fs (args(0 + offset).int_value ()); | |
| 1664 retval->set_nbits (args(1 + offset).int_value ()); | |
| 1665 retval->set_channels (args(2 + offset).int_value ()); | |
| 1666 retval->set_id (args(3 + offset).int_value ()); | |
| 1667 break; | |
| 1668 } | |
| 1669 retval->init (); | |
| 1670 return octave_value (retval); | |
| 1671 #else | |
| 1672 octave_value retval; | |
| 1673 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1674 return retval; | |
| 1675 #endif | |
| 1676 } | |
| 1677 | |
|
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1678 static audiorecorder * |
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1679 get_recorder (const octave_value& ov) |
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1680 { |
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1681 const octave_base_value& rep = ov.get_rep (); |
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1682 |
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1683 octave_base_value *ncrep = const_cast<octave_base_value *> (&rep); |
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1684 |
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1685 return dynamic_cast<audiorecorder *> (ncrep); |
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1686 } |
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1687 |
| 19510 | 1688 DEFUN_DLD (__recorder_getaudiodata__, args, , |
| 1689 "-*- texinfo -*-\n\ | |
| 1690 @deftypefn {Loadable Function} {@var{data}} __recorder_getaudiodata__ (@var{recorder})\n\ | |
| 1691 Undocumented internal function.\n\ | |
| 1692 @end deftypefn") | |
| 1693 { | |
| 1694 octave_value retval; | |
| 1695 #ifdef HAVE_PORTAUDIO | |
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1696 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1697 retval = octave_value (recorder->getaudiodata ()); |
| 1698 #else | |
| 1699 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1700 #endif | |
| 1701 return retval; | |
| 1702 } | |
| 1703 | |
| 1704 DEFUN_DLD (__recorder_get_channels__, args, , | |
| 1705 "-*- texinfo -*-\n\ | |
| 1706 @deftypefn {Loadable Function} {@var{n} =} __recorder_get_channels__ (@var{recorder})\n\ | |
| 1707 Undocumented internal function.\n\ | |
| 1708 @end deftypefn") | |
| 1709 { | |
| 1710 octave_value retval; | |
| 1711 #ifdef HAVE_PORTAUDIO | |
| 1712 int nargin = args.length (); | |
| 1713 if (nargin == 1) | |
| 1714 { | |
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1715 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1716 retval = octave_value (recorder->get_channels ()); |
| 1717 } | |
| 1718 #else | |
| 1719 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1720 #endif | |
| 1721 return retval; | |
| 1722 } | |
| 1723 | |
| 1724 DEFUN_DLD (__recorder_get_fs__, args, , | |
| 1725 "-*- texinfo -*-\n\ | |
| 1726 @deftypefn {Loadable Function} {@var{fs} =} __recorder_get_fs__ (@var{recorder})\n\ | |
| 1727 Undocumented internal function.\n\ | |
| 1728 @end deftypefn") | |
| 1729 { | |
| 1730 octave_value retval; | |
| 1731 #ifdef HAVE_PORTAUDIO | |
| 1732 int nargin = args.length (); | |
| 1733 if (nargin == 1) | |
| 1734 { | |
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1735 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1736 retval = octave_value (recorder->get_fs ()); |
| 1737 } | |
| 1738 #else | |
| 1739 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1740 #endif | |
| 1741 return retval; | |
| 1742 } | |
| 1743 | |
| 1744 DEFUN_DLD (__recorder_get_id__, args, , | |
| 1745 "-*- texinfo -*-\n\ | |
| 1746 @deftypefn {Loadable Function} {@var{id} =} __recorder_get_id__ (@var{recorder})\n\ | |
| 1747 Undocumented internal function.\n\ | |
| 1748 @end deftypefn") | |
| 1749 { | |
| 1750 octave_value retval; | |
| 1751 #ifdef HAVE_PORTAUDIO | |
| 1752 int nargin = args.length (); | |
| 1753 if (nargin == 1) | |
| 1754 { | |
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1755 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1756 retval = octave_value (recorder->get_id ()); |
| 1757 } | |
| 1758 #else | |
| 1759 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1760 #endif | |
| 1761 return retval; | |
| 1762 } | |
| 1763 | |
| 1764 DEFUN_DLD (__recorder_get_nbits__, args, , | |
| 1765 "-*- texinfo -*-\n\ | |
| 1766 @deftypefn {Loadable Function} {@var{nbits} =} __recorder_get_nbits__ (@var{recorder})\n\ | |
| 1767 Undocumented internal function.\n\ | |
| 1768 @end deftypefn") | |
| 1769 { | |
| 1770 octave_value retval; | |
| 1771 #ifdef HAVE_PORTAUDIO | |
| 1772 int nargin = args.length (); | |
| 1773 if (nargin == 1) | |
| 1774 { | |
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1775 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1776 retval = octave_value (recorder->get_nbits ()); |
| 1777 } | |
| 1778 #else | |
| 1779 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1780 #endif | |
| 1781 return retval; | |
| 1782 } | |
| 1783 | |
| 1784 DEFUN_DLD (__recorder_get_sample_number__, args, , | |
| 1785 "-*- texinfo -*-\n\ | |
| 1786 @deftypefn {Loadable Function} {@var{n} =} __recorder_get_sample_number__ (@var{recorder})\n\ | |
| 1787 Undocumented internal function.\n\ | |
| 1788 @end deftypefn") | |
| 1789 { | |
| 1790 octave_value retval; | |
| 1791 #ifdef HAVE_PORTAUDIO | |
| 1792 int nargin = args.length (); | |
| 1793 if (nargin == 1) | |
| 1794 { | |
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1795 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1796 retval = octave_value (recorder->get_sample_number ()); |
| 1797 } | |
| 1798 #else | |
| 1799 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1800 #endif | |
| 1801 return retval; | |
| 1802 } | |
| 1803 | |
| 1804 DEFUN_DLD (__recorder_get_tag__, args, , | |
| 1805 "-*- texinfo -*-\n\ | |
| 1806 @deftypefn {Loadable Function} {@var{tag} =} __recorder_get_tag__ (@var{recorder})\n\ | |
| 1807 Undocumented internal function.\n\ | |
| 1808 @end deftypefn") | |
| 1809 { | |
| 1810 octave_value retval; | |
| 1811 #ifdef HAVE_PORTAUDIO | |
| 1812 int nargin = args.length (); | |
| 1813 if (nargin == 1) | |
| 1814 { | |
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1815 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1816 retval = octave_value (recorder->get_tag ()); |
| 1817 } | |
| 1818 #else | |
| 1819 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1820 #endif | |
| 1821 return retval; | |
| 1822 } | |
| 1823 | |
| 1824 DEFUN_DLD (__recorder_get_total_samples__, args, , | |
| 1825 "-*- texinfo -*-\n\ | |
| 1826 @deftypefn {Loadable Function} {@var{n} =} __recorder_get_total_samples__ (@var{recorder})\n\ | |
| 1827 Undocumented internal function.\n\ | |
| 1828 @end deftypefn") | |
| 1829 { | |
| 1830 octave_value retval; | |
| 1831 #ifdef HAVE_PORTAUDIO | |
| 1832 int nargin = args.length (); | |
| 1833 if (nargin == 1) | |
| 1834 { | |
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1835 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1836 retval = octave_value (recorder->get_total_samples ()); |
| 1837 } | |
| 1838 #else | |
| 1839 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1840 #endif | |
| 1841 return retval; | |
| 1842 } | |
| 1843 | |
| 1844 DEFUN_DLD (__recorder_get_userdata__, args, , | |
| 1845 "-*- texinfo -*-\n\ | |
| 1846 @deftypefn {Loadable Function} {@var{data} =} __recorder_get_userdata__ (@var{recorder})\n\ | |
| 1847 Undocumented internal function.\n\ | |
| 1848 @end deftypefn") | |
| 1849 { | |
| 1850 octave_value retval; | |
| 1851 #ifdef HAVE_PORTAUDIO | |
| 1852 int nargin = args.length (); | |
| 1853 if (nargin == 1) | |
| 1854 { | |
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1855 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1856 retval = recorder->get_userdata (); |
| 1857 } | |
| 1858 #else | |
| 1859 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1860 #endif | |
| 1861 return retval; | |
| 1862 } | |
| 1863 | |
| 1864 DEFUN_DLD (__recorder_isrecording__, args, , | |
| 1865 "-*- texinfo -*-\n\ | |
| 1866 @deftypefn {Loadable Function} {} __recorder_isrecording__ (@var{recorder})\n\ | |
| 1867 Undocumented internal function.\n\ | |
| 1868 @end deftypefn") | |
| 1869 { | |
| 1870 octave_value retval; | |
| 1871 #ifdef HAVE_PORTAUDIO | |
| 1872 int nargin = args.length (); | |
| 1873 if (nargin == 1) | |
| 1874 { | |
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1875 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1876 if (recorder->isrecording ()) |
| 1877 return octave_value (1); | |
| 1878 else | |
| 1879 return octave_value (0); | |
| 1880 } | |
| 1881 #else | |
| 1882 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1883 #endif | |
| 1884 return retval; | |
| 1885 } | |
| 1886 | |
| 1887 DEFUN_DLD (__recorder_pause__, args, , | |
| 1888 "-*- texinfo -*-\n\ | |
| 1889 @deftypefn {Loadable Function} {} __recorder_pause__ (@var{recorder})\n\ | |
| 1890 Undocumented internal function.\n\ | |
| 1891 @end deftypefn") | |
| 1892 { | |
| 1893 octave_value retval; | |
| 1894 #ifdef HAVE_PORTAUDIO | |
| 1895 int nargin = args.length (); | |
| 1896 if (nargin == 1) | |
| 1897 { | |
|
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1898 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1899 recorder->pause (); |
| 1900 } | |
| 1901 #else | |
| 1902 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1903 #endif | |
| 1904 return retval; | |
| 1905 } | |
| 1906 | |
| 1907 DEFUN_DLD (__recorder_recordblocking__, args, , | |
| 1908 "-*- texinfo -*-\n\ | |
| 1909 @deftypefn {Loadable Function} {} __recorder_recordblocking__ (@var{recorder}, @var{seconds})\n\ | |
| 1910 Undocumented internal function.\n\ | |
| 1911 @end deftypefn") | |
| 1912 { | |
| 1913 octave_value retval; | |
| 1914 #ifdef HAVE_PORTAUDIO | |
|
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1915 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1916 recorder->recordblocking (args(1).float_value ()); |
| 1917 #else | |
| 1918 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1919 #endif | |
| 1920 return retval; | |
| 1921 } | |
| 1922 | |
| 1923 DEFUN_DLD (__recorder_record__, args, , | |
| 1924 "-*- texinfo -*-\n\ | |
| 1925 @deftypefn {Loadable Function} {} __recorder_record__ (@var{recorder})\n\ | |
| 1926 @deftypefnx {Loadable Function} {} __recorder_record__ (@var{recorder}, @var{seconds})\n\ | |
| 1927 Undocumented internal function.\n\ | |
| 1928 @end deftypefn") | |
| 1929 { | |
| 1930 octave_value retval; | |
| 1931 #ifdef HAVE_PORTAUDIO | |
|
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1932 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1933 if (args.length () == 1) |
| 1934 { | |
| 1935 recorder->record (); | |
| 1936 } | |
| 1937 else if (args.length () == 2) | |
| 1938 { | |
| 1939 recorder->set_end_sample (args(1).int_value () * recorder->get_fs ()); | |
| 1940 recorder->record (); | |
| 1941 } | |
| 1942 else | |
| 1943 { | |
| 1944 error ("audiorecorder: wrong number of arguments passed to record"); | |
| 1945 } | |
| 1946 #else | |
| 1947 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1948 #endif | |
| 1949 return retval; | |
| 1950 } | |
| 1951 | |
| 1952 DEFUN_DLD (__recorder_resume__, args, , | |
| 1953 "-*- texinfo -*-\n\ | |
| 1954 @deftypefn {Loadable Function} {} __recorder_resume__ (@var{recorder})\n\ | |
| 1955 Undocumented internal function.\n\ | |
| 1956 @end deftypefn") | |
| 1957 { | |
| 1958 octave_value retval; | |
| 1959 #ifdef HAVE_PORTAUDIO | |
| 1960 int nargin = args.length (); | |
| 1961 if (nargin == 1) | |
| 1962 { | |
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1963 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1964 recorder->resume (); |
| 1965 } | |
| 1966 #else | |
| 1967 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1968 #endif | |
| 1969 return retval; | |
| 1970 } | |
| 1971 | |
| 1972 DEFUN_DLD (__recorder_set_fs__, args, , | |
| 1973 "-*- texinfo -*-\n\ | |
| 1974 @deftypefn {Loadable Function} {} __recorder_set_fs__ (@var{recorder}, @var{fs})\n\ | |
| 1975 Undocumented internal function.\n\ | |
| 1976 @end deftypefn") | |
| 1977 { | |
| 1978 octave_value retval; | |
| 1979 #ifdef HAVE_PORTAUDIO | |
| 1980 int nargin = args.length (); | |
| 1981 if (nargin == 2) | |
| 1982 { | |
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1983 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 1984 recorder->set_fs (args(1).int_value ()); |
| 1985 } | |
| 1986 #else | |
| 1987 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 1988 #endif | |
| 1989 return retval; | |
| 1990 } | |
| 1991 | |
| 1992 DEFUN_DLD (__recorder_set_tag__, args, , | |
| 1993 "-*- texinfo -*-\n\ | |
| 1994 @deftypefn {Loadable Function} {} __recorder_set_tag__ (@var{recorder}, @var{tag})\n\ | |
| 1995 Undocumented internal function.\n\ | |
| 1996 @end deftypefn") | |
| 1997 { | |
| 1998 octave_value retval; | |
| 1999 #ifdef HAVE_PORTAUDIO | |
| 2000 int nargin = args.length (); | |
| 2001 if (nargin == 2) | |
| 2002 { | |
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2003 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 2004 recorder->set_tag (args(1).char_matrix_value ()); |
| 2005 } | |
| 2006 #else | |
| 2007 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2008 #endif | |
| 2009 return retval; | |
| 2010 } | |
| 2011 | |
| 2012 DEFUN_DLD (__recorder_set_userdata__, args, , | |
| 2013 "-*- texinfo -*-\n\ | |
| 2014 @deftypefn {Loadable Function} {} __recorder_set_userdata__ (@var{recorder}, @var{data})\n\ | |
| 2015 Undocumented internal function.\n\ | |
| 2016 @end deftypefn") | |
| 2017 { | |
| 2018 octave_value retval; | |
| 2019 #ifdef HAVE_PORTAUDIO | |
| 2020 int nargin = args.length (); | |
| 2021 if (nargin == 2) | |
| 2022 { | |
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2023 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 2024 recorder->set_userdata (args(1)); |
| 2025 } | |
| 2026 #else | |
| 2027 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2028 #endif | |
| 2029 return retval; | |
| 2030 } | |
| 2031 | |
| 2032 DEFUN_DLD (__recorder_stop__, args, , | |
| 2033 "-*- texinfo -*-\n\ | |
| 2034 @deftypefn {Loadable Function} {} __recorder_stop__ (@var{recorder})\n\ | |
| 2035 Undocumented internal function.\n\ | |
| 2036 @end deftypefn") | |
| 2037 { | |
| 2038 octave_value retval; | |
| 2039 #ifdef HAVE_PORTAUDIO | |
|
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2040 audiorecorder *recorder = get_recorder (args(0)); |
| 19510 | 2041 recorder->stop (); |
| 2042 #else | |
| 2043 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2044 #endif | |
| 2045 return retval; | |
| 2046 } | |
| 2047 | |
| 2048 DEFUN_DLD (__player_audioplayer__, args, , | |
| 2049 "-*- texinfo -*-\n\ | |
| 2050 @deftypefn {Loadable Function} {@var{player} =} __player_audioplayer__ (@var{y}, @var{fs})\n\ | |
| 2051 @deftypefnx {Loadable Function} {@var{player} =} __player_audioplayer__ (@var{y}, @var{fs}, @var{nbits})\n\ | |
| 2052 @deftypefnx {Loadable Function} {@var{player} =} __player_audioplayer__ (@var{y}, @var{fs}, @var{nbits}, @var{id})\n\ | |
| 2053 Undocumented internal function.\n\ | |
| 2054 @end deftypefn") | |
| 2055 { | |
| 2056 #ifdef HAVE_PORTAUDIO | |
| 2057 int nargin = args.length (); | |
| 2058 audioplayer* retval = new audioplayer (); | |
| 2059 bool is_function = args(0).is_string () || args(0).is_function_handle () || args(0).is_inline_function (); | |
| 2060 if (is_function) | |
| 2061 retval->set_y (args(0).function_value ()); | |
| 2062 else | |
| 2063 retval->set_y (args(0)); | |
| 2064 retval->set_fs (args(1).int_value ()); | |
| 2065 switch (nargin) | |
| 2066 { | |
| 2067 case 3: | |
| 2068 retval->set_nbits (args(2).int_value ()); | |
| 2069 break; | |
| 2070 case 4: | |
| 2071 retval->set_nbits (args(2).int_value ()); | |
| 2072 retval->set_id (args(3).int_value ()); | |
| 2073 break; | |
| 2074 } | |
| 2075 if (is_function) | |
| 2076 retval->init_fn (); | |
| 2077 else | |
| 2078 retval->init (); | |
| 2079 return octave_value (retval); | |
| 2080 #else | |
| 2081 octave_value retval; | |
| 2082 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2083 return retval; | |
| 2084 #endif | |
| 2085 } | |
| 2086 | |
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2087 static audioplayer * |
|
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2088 get_player (const octave_value& ov) |
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2089 { |
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2090 const octave_base_value& rep = ov.get_rep (); |
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2091 |
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2092 octave_base_value *ncrep = const_cast<octave_base_value *> (&rep); |
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2093 |
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2094 return dynamic_cast<audioplayer *> (ncrep); |
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2095 } |
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2096 |
| 19510 | 2097 DEFUN_DLD (__player_get_channels__, args, , |
| 2098 "-*- texinfo -*-\n\ | |
| 2099 @deftypefn {Loadable Function} {@var{n} =} __player_get_channels__ (@var{player})\n\ | |
| 2100 Undocumented internal function.\n\ | |
| 2101 @end deftypefn") | |
| 2102 { | |
| 2103 octave_value retval; | |
| 2104 #ifdef HAVE_PORTAUDIO | |
| 2105 int nargin = args.length (); | |
| 2106 if (nargin == 1) | |
| 2107 { | |
|
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2108 audioplayer *player = get_player (args(0)); |
| 19510 | 2109 retval = octave_value (player->get_channels ()); |
| 2110 } | |
| 2111 #else | |
| 2112 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2113 #endif | |
| 2114 return retval; | |
| 2115 } | |
| 2116 | |
| 2117 DEFUN_DLD (__player_get_fs__, args, , | |
| 2118 "-*- texinfo -*-\n\ | |
| 2119 @deftypefn {Loadable Function} {@var{fs} =} __player_get_fs__ (@var{player})\n\ | |
| 2120 Undocumented internal function.\n\ | |
| 2121 @end deftypefn") | |
| 2122 { | |
| 2123 octave_value retval; | |
| 2124 #ifdef HAVE_PORTAUDIO | |
| 2125 int nargin = args.length (); | |
| 2126 if (nargin == 1) | |
| 2127 { | |
|
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2128 audioplayer *player = get_player (args(0)); |
| 19510 | 2129 retval = octave_value (player->get_fs ()); |
| 2130 } | |
| 2131 #else | |
| 2132 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2133 #endif | |
| 2134 return retval; | |
| 2135 } | |
| 2136 | |
| 2137 DEFUN_DLD (__player_get_id__, args, , | |
| 2138 "-*- texinfo -*-\n\ | |
| 2139 @deftypefn {Loadable Function} {@var{id} =} __player_get_id__ (@var{player})\n\ | |
| 2140 Undocumented internal function.\n\ | |
| 2141 @end deftypefn") | |
| 2142 { | |
| 2143 octave_value retval; | |
| 2144 #ifdef HAVE_PORTAUDIO | |
| 2145 int nargin = args.length (); | |
| 2146 if (nargin == 1) | |
| 2147 { | |
|
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2148 audioplayer *player = get_player (args(0)); |
| 19510 | 2149 retval = octave_value (player->get_id ()); |
| 2150 } | |
| 2151 #else | |
| 2152 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2153 #endif | |
| 2154 return retval; | |
| 2155 } | |
| 2156 | |
| 2157 DEFUN_DLD (__player_get_nbits__, args, , | |
| 2158 "-*- texinfo -*-\n\ | |
| 2159 @deftypefn {Loadable Function} {@var{nbits} =} __player_get_nbits__ (@var{player})\n\ | |
| 2160 Undocumented internal function.\n\ | |
| 2161 @end deftypefn") | |
| 2162 { | |
| 2163 octave_value retval; | |
| 2164 #ifdef HAVE_PORTAUDIO | |
| 2165 int nargin = args.length (); | |
| 2166 if (nargin == 1) | |
| 2167 { | |
|
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2168 audioplayer *player = get_player (args(0)); |
| 19510 | 2169 retval = octave_value (player->get_nbits ()); |
| 2170 } | |
| 2171 #else | |
| 2172 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2173 #endif | |
| 2174 return retval; | |
| 2175 } | |
| 2176 | |
| 2177 DEFUN_DLD (__player_get_sample_number__, args, , | |
| 2178 "-*- texinfo -*-\n\ | |
| 2179 @deftypefn {Loadable Function} {@var{n} =} __player_get_sample_number__ (@var{player})\n\ | |
| 2180 Undocumented internal function.\n\ | |
| 2181 @end deftypefn") | |
| 2182 { | |
| 2183 octave_value retval; | |
| 2184 #ifdef HAVE_PORTAUDIO | |
| 2185 int nargin = args.length (); | |
| 2186 if (nargin == 1) | |
| 2187 { | |
|
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2188 audioplayer *player = get_player (args(0)); |
| 19510 | 2189 retval = octave_value (player->get_sample_number ()); |
| 2190 } | |
| 2191 #else | |
| 2192 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2193 #endif | |
| 2194 return retval; | |
| 2195 } | |
| 2196 | |
| 2197 DEFUN_DLD (__player_get_tag__, args, , | |
| 2198 "-*- texinfo -*-\n\ | |
| 2199 @deftypefn {Loadable Function} {@var{tag} =} __player_get_tag__ (@var{player})\n\ | |
| 2200 Undocumented internal function.\n\ | |
| 2201 @end deftypefn") | |
| 2202 { | |
| 2203 octave_value retval; | |
| 2204 #ifdef HAVE_PORTAUDIO | |
| 2205 int nargin = args.length (); | |
| 2206 if (nargin == 1) | |
| 2207 { | |
|
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2208 audioplayer *player = get_player (args(0)); |
| 19510 | 2209 retval = octave_value (player->get_tag ()); |
| 2210 } | |
| 2211 #else | |
| 2212 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2213 #endif | |
| 2214 return retval; | |
| 2215 } | |
| 2216 | |
| 2217 DEFUN_DLD (__player_get_total_samples__, args, , | |
| 2218 "-*- texinfo -*-\n\ | |
| 2219 @deftypefn {Loadable Function} {@var{n} =} __player_get_total_samples__ (@var{player})\n\ | |
| 2220 Undocumented internal function.\n\ | |
| 2221 @end deftypefn") | |
| 2222 { | |
| 2223 octave_value retval; | |
| 2224 #ifdef HAVE_PORTAUDIO | |
| 2225 int nargin = args.length (); | |
| 2226 if (nargin == 1) | |
| 2227 { | |
|
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2228 audioplayer *player = get_player (args(0)); |
| 19510 | 2229 retval = octave_value (player->get_total_samples ()); |
| 2230 } | |
| 2231 #else | |
| 2232 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2233 #endif | |
| 2234 return retval; | |
| 2235 } | |
| 2236 | |
| 2237 DEFUN_DLD (__player_get_userdata__, args, , | |
| 2238 "-*- texinfo -*-\n\ | |
| 2239 @deftypefn {Loadable Function} {@var{data} =} __player_get_userdata__ (@var{player})\n\ | |
| 2240 Undocumented internal function.\n\ | |
| 2241 @end deftypefn") | |
| 2242 { | |
| 2243 octave_value retval; | |
| 2244 #ifdef HAVE_PORTAUDIO | |
| 2245 int nargin = args.length (); | |
| 2246 if (nargin == 1) | |
| 2247 { | |
|
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2248 audioplayer *player = get_player (args(0)); |
| 19510 | 2249 retval = player->get_userdata (); |
| 2250 } | |
| 2251 #else | |
| 2252 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2253 #endif | |
| 2254 return retval; | |
| 2255 } | |
| 2256 | |
| 2257 DEFUN_DLD (__player_isplaying__, args, , | |
| 2258 "-*- texinfo -*-\n\ | |
| 2259 @deftypefn {Loadable Function} {} __player_isplaying__ (@var{player})\n\ | |
| 2260 Undocumented internal function.\n\ | |
| 2261 @end deftypefn") | |
| 2262 { | |
| 2263 octave_value retval; | |
| 2264 #ifdef HAVE_PORTAUDIO | |
| 2265 int nargin = args.length (); | |
| 2266 if (nargin == 1) | |
| 2267 { | |
|
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2268 audioplayer *player = get_player (args(0)); |
| 19510 | 2269 if (player->isplaying ()) |
| 2270 return octave_value (1); | |
| 2271 else | |
| 2272 return octave_value (0); | |
| 2273 } | |
| 2274 #else | |
| 2275 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2276 #endif | |
| 2277 return retval; | |
| 2278 } | |
| 2279 | |
| 2280 DEFUN_DLD (__player_pause__, args, , | |
| 2281 "-*- texinfo -*-\n\ | |
| 2282 @deftypefn {Loadable Function} {} __player_pause__ (@var{player})\n\ | |
| 2283 Undocumented internal function.\n\ | |
| 2284 @end deftypefn") | |
| 2285 { | |
| 2286 octave_value retval; | |
| 2287 #ifdef HAVE_PORTAUDIO | |
| 2288 int nargin = args.length (); | |
| 2289 if (nargin == 1) | |
| 2290 { | |
|
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2291 audioplayer *player = get_player (args(0)); |
| 19510 | 2292 player->pause (); |
| 2293 } | |
| 2294 #else | |
| 2295 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2296 #endif | |
| 2297 return retval; | |
| 2298 } | |
| 2299 | |
| 2300 DEFUN_DLD (__player_playblocking__, args, , | |
| 2301 "-*- texinfo -*-\n\ | |
| 2302 @deftypefn {Loadable Function} {} __player_playblocking__ (@var{player})\n\ | |
| 2303 @deftypefnx {Loadable Function} {} __player_playblocking__ (@var{player}, @var{start})\n\ | |
| 2304 @deftypefnx {Loadable Function} {} __player_playblocking__ (@var{player}, [@var{start}, @var{end}])\n\ | |
| 2305 Undocumented internal function.\n\ | |
| 2306 @end deftypefn") | |
| 2307 { | |
| 2308 octave_value retval; | |
| 2309 #ifdef HAVE_PORTAUDIO | |
| 2310 int nargin = args.length (); | |
| 2311 if (nargin == 1) | |
| 2312 { | |
|
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2313 audioplayer *player = get_player (args(0)); |
| 19510 | 2314 player->playblocking (); |
| 2315 } | |
| 2316 else | |
| 2317 { | |
|
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2318 audioplayer *player = get_player (args(0)); |
| 19510 | 2319 if (args(1).is_matrix_type ()) |
| 2320 { | |
| 2321 unsigned int start, end; | |
| 2322 RowVector range = args(1).row_vector_value (); | |
| 2323 start = range.elem (0) - 1; | |
| 2324 end = range.elem (1) - 1; | |
|
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2325 if (start > player->get_total_samples () |
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|
2326 || start > end || end > player->get_total_samples ()) |
| 19510 | 2327 error ("audioplayer: invalid range specified for playback"); |
| 2328 player->set_sample_number (start); | |
| 2329 player->set_end_sample (end); | |
| 2330 } | |
| 2331 else | |
| 2332 { | |
| 2333 unsigned int start; | |
| 2334 start = args(1).int_value () - 1; | |
|
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|
2335 if (start > player->get_total_samples ()) |
| 19510 | 2336 error ("audioplayer: invalid range specified for playback"); |
| 2337 player->set_sample_number (start); | |
| 2338 } | |
| 2339 player->playblocking (); | |
| 2340 } | |
| 2341 #else | |
| 2342 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2343 #endif | |
| 2344 return retval; | |
| 2345 } | |
| 2346 | |
| 2347 DEFUN_DLD (__player_play__, args, , | |
| 2348 "-*- texinfo -*-\n\ | |
| 2349 @deftypefn {Loadable Function} {} __player_play__ (@var{player})\n\ | |
| 2350 @deftypefnx {Loadable Function} {} __player_play__ (@var{player}, @var{start})\n\ | |
| 2351 @deftypefnx {Loadable Function} {} __player_play__ (@var{player}, [@var{start}, @var{end}])\n\ | |
| 2352 Undocumented internal function.\n\ | |
| 2353 @end deftypefn") | |
| 2354 { | |
| 2355 octave_value retval; | |
| 2356 #ifdef HAVE_PORTAUDIO | |
| 2357 int nargin = args.length (); | |
| 2358 if (nargin == 1) | |
| 2359 { | |
|
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2360 audioplayer *player = get_player (args(0)); |
| 19510 | 2361 player->play (); |
| 2362 } | |
| 2363 else | |
| 2364 { | |
|
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2365 audioplayer *player = get_player (args(0)); |
| 19510 | 2366 if (args(1).is_matrix_type ()) |
| 2367 { | |
| 2368 unsigned int start, end; | |
| 2369 RowVector range = args(1).row_vector_value (); | |
| 2370 start = range.elem (0) - 1; | |
| 2371 end = range.elem (1) - 1; | |
|
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2372 if (start > player->get_total_samples () |
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2373 || start > end || end > player->get_total_samples ()) |
| 19510 | 2374 error ("audioplayer: invalid range specified for playback"); |
| 2375 player->set_sample_number (start); | |
| 2376 player->set_end_sample (end); | |
| 2377 } | |
| 2378 else | |
| 2379 { | |
| 2380 unsigned int start; | |
| 2381 start = args(1).int_value () - 1; | |
|
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2382 if (start > player->get_total_samples ()) |
| 19510 | 2383 error ("audioplayer: invalid range specified for playback"); |
| 2384 player->set_sample_number (start); | |
| 2385 } | |
| 2386 player->play (); | |
| 2387 } | |
| 2388 #else | |
| 2389 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2390 #endif | |
| 2391 return retval; | |
| 2392 } | |
| 2393 | |
| 2394 DEFUN_DLD (__player_resume__, args, , | |
| 2395 "-*- texinfo -*-\n\ | |
| 2396 @deftypefn {Loadable Function} {} __player_resume__ (@var{player})\n\ | |
| 2397 Undocumented internal function.\n\ | |
| 2398 @end deftypefn") | |
| 2399 { | |
| 2400 octave_value retval; | |
| 2401 #ifdef HAVE_PORTAUDIO | |
| 2402 int nargin = args.length (); | |
| 2403 if (nargin == 1) | |
| 2404 { | |
|
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2405 audioplayer *player = get_player (args(0)); |
| 19510 | 2406 player->resume (); |
| 2407 } | |
| 2408 #else | |
| 2409 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2410 #endif | |
| 2411 return retval; | |
| 2412 } | |
| 2413 | |
| 2414 DEFUN_DLD (__player_set_fs__, args, , | |
| 2415 "-*- texinfo -*-\n\ | |
| 2416 @deftypefn {Loadable Function} {} __player_set_fs__ (@var{player}, @var{fs})\n\ | |
| 2417 Undocumented internal function.\n\ | |
| 2418 @end deftypefn") | |
| 2419 { | |
| 2420 octave_value retval; | |
| 2421 #ifdef HAVE_PORTAUDIO | |
| 2422 int nargin = args.length (); | |
| 2423 if (nargin == 2) | |
| 2424 { | |
|
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2425 audioplayer *player = get_player (args(0)); |
| 19510 | 2426 player->set_fs (args(1).int_value ()); |
| 2427 } | |
| 2428 #else | |
| 2429 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2430 #endif | |
| 2431 return retval; | |
| 2432 } | |
| 2433 | |
| 2434 DEFUN_DLD (__player_set_tag__, args, , | |
| 2435 "-*- texinfo -*-\n\ | |
| 2436 @deftypefn {Loadable Function} {} __player_set_tag__ (@var{player}, @var{tag})\n\ | |
| 2437 Undocumented internal function.\n\ | |
| 2438 @end deftypefn") | |
| 2439 { | |
| 2440 octave_value retval; | |
| 2441 #ifdef HAVE_PORTAUDIO | |
| 2442 int nargin = args.length (); | |
| 2443 if (nargin == 2) | |
| 2444 { | |
|
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2445 audioplayer *player = get_player (args(0)); |
| 19510 | 2446 player->set_tag (args(1).char_matrix_value ()); |
| 2447 } | |
| 2448 #else | |
| 2449 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2450 #endif | |
| 2451 return retval; | |
| 2452 } | |
| 2453 | |
| 2454 DEFUN_DLD (__player_set_userdata__, args, , | |
| 2455 "-*- texinfo -*-\n\ | |
| 2456 @deftypefn {Loadable Function} {} __player_set_userdata__ (@var{player}, @var{data})\n\ | |
| 2457 Undocumented internal function.\n\ | |
| 2458 @end deftypefn") | |
| 2459 { | |
| 2460 octave_value retval; | |
| 2461 #ifdef HAVE_PORTAUDIO | |
| 2462 int nargin = args.length (); | |
| 2463 if (nargin == 2) | |
| 2464 { | |
|
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2465 audioplayer *player = get_player (args(0)); |
| 19510 | 2466 player->set_userdata (args(1)); |
| 2467 } | |
| 2468 #else | |
| 2469 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2470 #endif | |
| 2471 return retval; | |
| 2472 } | |
| 2473 | |
| 2474 DEFUN_DLD (__player_stop__, args, , | |
| 2475 "-*- texinfo -*-\n\ | |
| 2476 @deftypefn {Loadable Function} {} __player_stop__ (@var{player})\n\ | |
| 2477 Undocumented internal function.\n\ | |
| 2478 @end deftypefn") | |
| 2479 { | |
| 2480 octave_value retval; | |
| 2481 #ifdef HAVE_PORTAUDIO | |
| 2482 int nargin = args.length (); | |
| 2483 if (nargin == 1) | |
| 2484 { | |
|
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2485 audioplayer *player = get_player (args (0)); |
| 19510 | 2486 player->stop (); |
| 2487 } | |
| 2488 #else | |
| 2489 error ("portaudio not found on your system and thus audio functionality is not present"); | |
| 2490 #endif | |
| 2491 return retval; | |
| 2492 } |