Mercurial > octave-nkf

annotate libinterp/dldfcn/recorder_class.cc @ 19509:b9df6b3fd5ef

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Fix includes in player and recorder class files, add instructions to build them * module-files: lines to build player_class.cc and recorder_class.cc * player_class.cc, recorder_class.cc: change includes to use local versions of Octave headers, also added bits_to_format utility function
author Vytautas Jančauskas <unaudio@gmail.com>
date Wed, 11 Sep 2013 22:38:04 +0300
parents 91ee78cdba6c
children b8ea3ff8f5fd
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rev   line source
19509
b9df6b3fd5ef Fix includes in player and recorder class files, add instructions to build them
Vytautas Jančauskas <unaudio@gmail.com>
parents: 19508
diff changeset
1 #include "oct.h"
b9df6b3fd5ef Fix includes in player and recorder class files, add instructions to build them
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2 #include "ov.h"
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3 #include "parse.h"
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4 #include <portaudio.h>
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5 #include <stdint.h>
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6
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7 #include "player_class.h"
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8 #include "recorder_class.h"
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9
19509
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10 PaSampleFormat bits_to_format(int bits)
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11 {
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12 if (bits == 8)
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13 {
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14 return paInt8;
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15 }
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16 else if (bits == 16)
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17 {
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18 return paInt16;
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19 }
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20 else if (bits == 24)
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21 {
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22 return paInt24;
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23 }
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24 else if (bits == 32)
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25 {
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26 return paInt32;
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27 }
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28 else if (bits == -1)
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29 {
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30 return paFloat32;
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31 }
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32 else
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33 {
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34 return 0;
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35 }
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36 }
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37
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38 #define BUFFER_SIZE 512
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39
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40 DEFINE_OCTAVE_ALLOCATOR (audiorecorder);
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41 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (audiorecorder, "audiorecorder", "audiorecorder");
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42
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43 static int octave_record_callback (const void *input, void *output,
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44 unsigned long frames,
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45 const PaStreamCallbackTimeInfo* time,
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46 PaStreamCallbackFlags status,
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47 void *data)
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48 {
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49 audiorecorder *recorder = (audiorecorder *)data;
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50 int channels = recorder->get_channels ();
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51 int return_status;
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52 float sample_l, sample_r;
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53 Matrix sound;
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54 sound.resize(frames, 2);
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55 if (recorder->get_nbits () == 8)
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56 {
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57 int8_t *input8 = (int8_t *)input;
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58 for (int i = 0; i < frames; i++)
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59 {
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60 sample_l = input8[i * channels] / (pow(2.0, 7) - 1.0);
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61 sample_r = input8[i * channels + (channels - 1)] / (pow(2.0, 7) - 1.0);
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62 sound(i, 0) = sample_l;
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63 sound(i, 1) = sample_r;
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64 }
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65 }
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66 else if (recorder->get_nbits () == 16)
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67 {
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68 int16_t *input16 = (int16_t *)input;
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69 for (int i = 0; i < frames; i++)
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70 {
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71 sample_l = input16[i * channels] / (pow(2.0, 15) - 1.0);
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72 sample_r = input16[i * channels + (channels - 1)] / (pow(2.0, 15) - 1.0);
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73 sound(i, 0) = sample_l;
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74 sound(i, 1) = sample_r;
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75 }
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76 }
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77 else if (recorder->get_nbits () == 24)
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78 {
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79 uint8_t *input24 = (uint8_t *)input;
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80 int32_t sample_l32, sample_r32;
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81 uint8_t *_sample_l = (uint8_t *)&sample_l;
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82 uint8_t *_sample_r = (uint8_t *)&sample_r;
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83 for (int i = 0; i < frames; i++)
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84 {
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85 for (int j = 0; j < 3; j++)
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86 {
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87 _sample_l[j] = input24[i * channels * 3 + j];
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88 _sample_r[j] = input24[i * channels * 3 + (channels - 1) * 3 + j];
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89 }
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90 if (sample_l32 & 0x00800000)
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91 {
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92 sample_l32 |= 0xff000000;
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93 }
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94 if (sample_r32 & 0x00800000)
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95 {
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96 sample_r32 |= 0xff000000;
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97 }
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98 sound(i, 0) = sample_l32 / pow(2.0, 23);
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99 sound(i, 1) = sample_r32 / pow(2.0, 23);
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100 }
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101 }
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102 octave_value_list args, retval;
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103 args(0) = sound;
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104 retval = feval (recorder->octave_callback_function, args, 1);
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105 return_status = retval(0).int_value ();
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106 return return_status;
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107 }
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108
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109 static int portaudio_record_callback (const void *input, void *output,
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110 unsigned long frames,
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111 const PaStreamCallbackTimeInfo* time,
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112 PaStreamCallbackFlags status,
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113 void *data)
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114 {
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115 audiorecorder *recorder = (audiorecorder *)data;
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116 int channels = recorder->get_channels ();
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117 float sample_l, sample_r;
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118 if (recorder->get_nbits () == 8)
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119 {
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120 int8_t *input8 = (int8_t *)input;
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121 for (int i = 0; i < frames; i++)
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122 {
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123 sample_l = input8[i * channels] / (pow(2.0, 7) - 1.0);
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124 sample_r = input8[i * channels + (channels - 1)] / (pow(2.0, 7) - 1.0);
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125 recorder->append(sample_l, sample_r);
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126 }
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127 }
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128 else if (recorder->get_nbits () == 16)
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129 {
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130 int16_t *input16 = (int16_t *)input;
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131 for (int i = 0; i < frames; i++)
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132 {
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133 sample_l = input16[i * channels] / (pow(2.0, 15) - 1.0);
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134 sample_r = input16[i * channels + (channels - 1)] / (pow(2.0, 15) - 1.0);
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135 recorder->append(sample_l, sample_r);
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136 }
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137 }
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parents:
diff changeset
138 else if (recorder->get_nbits () == 24)
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diff changeset
139 {
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140 uint8_t *input24 = (uint8_t *)input;
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parents:
diff changeset
141 int32_t sample_l32, sample_r32;
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142 uint8_t *_sample_l = (uint8_t *)&sample_l;
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143 uint8_t *_sample_r = (uint8_t *)&sample_r;
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144 for (int i = 0; i < frames; i++)
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145 {
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146 for (int j = 0; j < 3; j++)
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147 {
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148 _sample_l[j] = input24[i * channels * 3 + j];
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149 _sample_r[j] = input24[i * channels * 3 + (channels - 1) * 3 + j];
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150 }
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151 if (sample_l32 & 0x00800000)
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152 {
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153 sample_l32 |= 0xff000000;
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154 }
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155 if (sample_r32 & 0x00800000)
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156 {
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157 sample_r32 |= 0xff000000;
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158 }
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159 recorder->append(sample_l32 / pow(2.0, 23), sample_r32 / pow(2.0, 23));
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160 }
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161 }
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162 if (recorder->get_sample_number () > recorder->get_end_sample ())
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163 {
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164 return paComplete;
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165 }
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166 return paContinue;
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167 }
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168
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169 audiorecorder::audiorecorder ()
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170 {
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171 this->id = -1;
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172 this->sample_number = 0;
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173 this->channels = 1;
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174 this->tag = charMatrix ("");
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175 Matrix userdata;
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176 this->userdata = octave_value (userdata);
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177 this->stream = 0;
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178 this->end_sample = -1;
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179 this->set_fs(44100);
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180 this->set_nbits(16);
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181 this->set_channels(2);
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182 this->octave_callback_function = 0;
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183 }
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184
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185 audiorecorder::~audiorecorder ()
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186 {
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187
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188 }
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189
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190 void audiorecorder::print (std::ostream& os, bool pr_as_read_syntax ) const
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parents:
diff changeset
191 {
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192 print_raw (os, pr_as_read_syntax);
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193 newline (os);
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194 }
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195
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196 void audiorecorder::print_raw (std::ostream& os, bool pr_as_read_syntax) const
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197 {
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198 os << 0;
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199 }
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parents:
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200
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201 void audiorecorder::init ()
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parents:
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202 {
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203 PaError err;
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204 int device;
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205 err = Pa_Initialize ();
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206 if (err != paNoError)
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parents:
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207 {
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parents:
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208 error ("audiorecorder: Initialization error!");
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parents:
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209 return;
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parents:
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210 }
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parents:
diff changeset
211 int numDevices;
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parents:
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212 numDevices = Pa_GetDeviceCount ();
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diff changeset
213 if (numDevices < 0)
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parents:
diff changeset
214 {
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parents:
diff changeset
215 error ("audiorecorder: No audio devices found!");
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parents:
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216 return;
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parents:
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217 }
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parents:
diff changeset
218 if (this->get_id () == -1)
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parents:
diff changeset
219 {
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parents:
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220 device = Pa_GetDefaultInputDevice ();
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parents:
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221 }
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parents:
diff changeset
222 else
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parents:
diff changeset
223 {
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diff changeset
224 device = this->get_id ();
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225 }
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parents:
diff changeset
226 this->input_parameters.device = device;
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diff changeset
227 this->input_parameters.channelCount = this->get_channels ();
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diff changeset
228 this->input_parameters.sampleFormat = bits_to_format (this->get_nbits ());
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parents:
diff changeset
229 this->input_parameters.suggestedLatency = Pa_GetDeviceInfo (device)->defaultHighInputLatency;
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parents:
diff changeset
230 this->input_parameters.hostApiSpecificStreamInfo = NULL;
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parents:
diff changeset
231 }
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diff changeset
232
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diff changeset
233 void audiorecorder::set_fs (int fs)
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parents:
diff changeset
234 {
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parents:
diff changeset
235 this->fs = fs;
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parents:
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236 }
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parents:
diff changeset
237
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parents:
diff changeset
238 int audiorecorder::get_fs ()
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parents:
diff changeset
239 {
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parents:
diff changeset
240 return this->fs;
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parents:
diff changeset
241 }
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parents:
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242
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parents:
diff changeset
243 void audiorecorder::set_nbits (int nbits)
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parents:
diff changeset
244 {
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245 this->nbits = nbits;
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parents:
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246 }
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parents:
diff changeset
247
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parents:
diff changeset
248 int audiorecorder::get_nbits ()
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parents:
diff changeset
249 {
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parents:
diff changeset
250 return this->nbits;
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parents:
diff changeset
251 }
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parents:
diff changeset
252
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parents:
diff changeset
253 void audiorecorder::set_id (int id)
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parents:
diff changeset
254 {
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parents:
diff changeset
255 this->id = id;
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parents:
diff changeset
256 }
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parents:
diff changeset
257
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parents:
diff changeset
258 int audiorecorder::get_id ()
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parents:
diff changeset
259 {
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parents:
diff changeset
260 return this->id;
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parents:
diff changeset
261 }
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parents:
diff changeset
262
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parents:
diff changeset
263 void audiorecorder::set_channels (int channels)
91ee78cdba6c New files for audio playback and recording
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parents:
diff changeset
264 {
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parents:
diff changeset
265 assert(channels == 1 or channels == 2);
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parents:
diff changeset
266 this->channels = channels;
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parents:
diff changeset
267 }
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parents:
diff changeset
268
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parents:
diff changeset
269 int audiorecorder::get_channels ()
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parents:
diff changeset
270 {
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parents:
diff changeset
271 return this->channels;
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parents:
diff changeset
272 }
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parents:
diff changeset
273
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parents:
diff changeset
274 audio_type audiorecorder::get_type ()
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parents:
diff changeset
275 {
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parents:
diff changeset
276 return this->type;
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parents:
diff changeset
277 }
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parents:
diff changeset
278
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diff changeset
279 void audiorecorder::set_sample_number (unsigned int sample_number)
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parents:
diff changeset
280 {
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parents:
diff changeset
281 this->sample_number = sample_number;
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parents:
diff changeset
282 }
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parents:
diff changeset
283
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parents:
diff changeset
284 unsigned int audiorecorder::get_sample_number ()
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parents:
diff changeset
285 {
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parents:
diff changeset
286 return this->sample_number;
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parents:
diff changeset
287 }
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parents:
diff changeset
288
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parents:
diff changeset
289 unsigned int audiorecorder::get_total_samples ()
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parents:
diff changeset
290 {
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parents:
diff changeset
291 return this->left.size ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
292 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
293
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
294 void audiorecorder::set_end_sample (unsigned int end_sample)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
295 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
296 this->end_sample = end_sample;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
297 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
298
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
299 unsigned int audiorecorder::get_end_sample ()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
300 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
301 return this->end_sample;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
302 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
303
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
304 void audiorecorder::reset_end_sample ()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
305 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
306 this->set_end_sample (this->left.size ());
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
307 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
308
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
309 void audiorecorder::set_tag (charMatrix tag)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
310 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
311 this->tag = tag;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
312 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
313
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
314 charMatrix audiorecorder::get_tag ()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
315 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
316 return this->tag;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
317 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
318
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
319 void audiorecorder::set_userdata (octave_value userdata)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
320 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
321 this->userdata = userdata;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
322 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
323
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
324 octave_value audiorecorder::get_userdata ()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
325 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
326 return this->userdata;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
327 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
328
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
329 octave_value audiorecorder::getaudiodata()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
330 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
331 Matrix audio (2, this->left.size());
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
332 for (int i = 0; i < this->left.size(); i++)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
333 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
334 audio(0, i) = this->left[i];
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
335 audio(1, i) = this->right[i];
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
336 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
337 return octave_value (audio);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
338 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
339
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
340 audioplayer *audiorecorder::getplayer ()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
341 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
342 audioplayer *player = new audioplayer ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
343 player->set_y(this->getaudiodata ());
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
344 player->set_fs(this->get_fs ());
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
345 player->set_nbits(this->get_nbits ());
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
346 player->init();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
347 return player;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
348 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
349
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
350 bool audiorecorder::isrecording()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
351 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
352 if (this->get_stream() == 0)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
353 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
354 return false;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
355 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
356 PaError err;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
357 err = Pa_IsStreamActive (stream);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
358 if (err != 0 and err != 1)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
359 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
360 error ("audiorecorder: Error checking stream activity status");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
361 return false;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
362 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
363 return bool(err);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
364 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
365
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
366 void audiorecorder::record()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
367 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
368 if (this->get_stream())
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
369 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
370 this->stop ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
371 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
372 this->left.clear ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
373 this->right.clear ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
374 PaError err;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
375 if (this->octave_callback_function != 0)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
376 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
377 err = Pa_OpenStream (&stream, &(this->input_parameters), NULL, this->get_fs (), BUFFER_SIZE, paClipOff, octave_record_callback, (void *)this);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
378 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
379 else
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
380 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
381 err = Pa_OpenStream (&stream, &(this->input_parameters), NULL, this->get_fs (), BUFFER_SIZE, paClipOff, portaudio_record_callback, (void *)this);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
382 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
383 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
384 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
385 error ("audiorecorder: Error opening audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
386 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
387 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
388 err = Pa_StartStream (stream);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
389 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
390 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
391 error ("audiorecorder: Error starting audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
392 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
393 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
394 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
395
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
396 void audiorecorder::recordblocking (float seconds)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
397 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
398 if (this->get_stream ())
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
399 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
400 this->stop ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
401 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
402 this->left.clear ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
403 this->right.clear ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
404 PaError err;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
405 err = Pa_OpenStream (&stream, &(this->input_parameters), NULL, this->get_fs (), BUFFER_SIZE, paClipOff, NULL, (void *)this);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
406 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
407 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
408 error ("audiorecorder: Error opening audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
409 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
410 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
411 err = Pa_StartStream (stream);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
412 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
413 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
414 error ("audiorecorder: Error starting audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
415 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
416 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
417 unsigned int frames = seconds * this->get_fs ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
418 uint8_t buffer[BUFFER_SIZE * 2 * 3];
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
419 for (int i = 0; i < frames / BUFFER_SIZE; i++)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
420 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
421 Pa_ReadStream(this->get_stream (), (void *)buffer, BUFFER_SIZE);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
422 if (this->octave_callback_function != 0)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
423 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
424 octave_record_callback((void *)buffer, NULL, BUFFER_SIZE, 0, 0, (void *)this);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
425 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
426 else
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
427 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
428 portaudio_record_callback((void *)buffer, NULL, BUFFER_SIZE, 0, 0, (void *)this);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
429 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
430 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
431 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
432
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
433 void audiorecorder::pause ()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
434 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
435 if (this->get_stream () == 0)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
436 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
437 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
438 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
439 PaError err;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
440 err = Pa_StopStream (stream);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
441 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
442 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
443 error ("audiorecorder: Error stoping audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
444 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
445 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
446 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
447
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
448 void audiorecorder::resume()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
449 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
450 if (this->get_stream() == 0)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
451 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
452 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
453 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
454 PaError err;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
455 err = Pa_StartStream (stream);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
456 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
457 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
458 error ("audiorecorder: Error starting audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
459 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
460 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
461 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
462
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
463 void audiorecorder::stop()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
464 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
465 if (this->get_stream() == 0)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
466 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
467 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
468 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
469 PaError err;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
470 if (not Pa_IsStreamStopped (this->get_stream ()))
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
471 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
472 err = Pa_AbortStream (this->get_stream ());
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
473 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
474 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
475 error ("audioplayer: Error stopping audio playback stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
476 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
477 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
478 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
479 err = Pa_CloseStream (stream);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
480 if (err != paNoError)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
481 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
482 error ("audiorecorder: Error closing audio recording stream");
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
483 return;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
484 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
485 this->set_sample_number (0);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
486 this->reset_end_sample ();
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
487 stream = 0;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
488 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
489
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
490 void audiorecorder::append (float sample_l, float sample_r)
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
491 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
492 this->left.push_back (sample_l);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
493 this->right.push_back (sample_r);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
494 this->set_sample_number (this->get_sample_number () + 1);
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
495 }
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
496
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
497 PaStream *audiorecorder::get_stream()
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
498 {
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
499 return this->stream;
91ee78cdba6c New files for audio playback and recording
Vytautas Jančauskas <unaudio@gmail.com>
parents:
diff changeset
500 }