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1 /* GStreamer |
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2 * |
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3 * unit test for audioconvert |
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4 * |
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5 * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org> |
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6 * |
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7 * This library is free software; you can redistribute it and/or |
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8 * modify it under the terms of the GNU Library General Public |
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9 * License as published by the Free Software Foundation; either |
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10 * version 2 of the License, or (at your option) any later version. |
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11 * |
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12 * This library is distributed in the hope that it will be useful, |
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Library General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Library General Public |
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18 * License along with this library; if not, write to the |
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19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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20 * Boston, MA 02111-1307, USA. |
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21 */ |
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22 |
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23 #include <unistd.h> |
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24 |
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25 #include <gst/floatcast/floatcast.h> |
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26 #include <gst/check/gstcheck.h> |
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27 #include <gst/audio/multichannel.h> |
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28 |
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29 /* For ease of programming we use globals to keep refs for our floating |
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30 * src and sink pads we create; otherwise we always have to do get_pad, |
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31 * get_peer, and then remove references in every test function */ |
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32 static GstPad *mysrcpad, *mysinkpad; |
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33 |
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34 #define CONVERT_CAPS_TEMPLATE_STRING \ |
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35 "audio/x-raw-float, " \ |
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36 "rate = (int) [ 1, MAX ], " \ |
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37 "channels = (int) [ 1, 8 ], " \ |
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38 "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ |
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39 "width = (int) { 32, 64 };" \ |
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40 "audio/x-raw-int, " \ |
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41 "rate = (int) [ 1, MAX ], " \ |
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42 "channels = (int) [ 1, 8 ], " \ |
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43 "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ |
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44 "width = (int) 32, " \ |
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45 "depth = (int) [ 1, 32 ], " \ |
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46 "signed = (boolean) { true, false }; " \ |
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47 "audio/x-raw-int, " \ |
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48 "rate = (int) [ 1, MAX ], " \ |
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49 "channels = (int) [ 1, 8 ], " \ |
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50 "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ |
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51 "width = (int) 24, " \ |
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52 "depth = (int) [ 1, 24 ], " \ |
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53 "signed = (boolean) { true, false }; " \ |
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54 "audio/x-raw-int, " \ |
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55 "rate = (int) [ 1, MAX ], " \ |
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56 "channels = (int) [ 1, 8 ], " \ |
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57 "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ |
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58 "width = (int) 16, " \ |
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59 "depth = (int) [ 1, 16 ], " \ |
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60 "signed = (boolean) { true, false }; " \ |
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61 "audio/x-raw-int, " \ |
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62 "rate = (int) [ 1, MAX ], " \ |
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63 "channels = (int) [ 1, 8 ], " \ |
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64 "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ |
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65 "width = (int) 8, " \ |
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66 "depth = (int) [ 1, 8 ], " \ |
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67 "signed = (boolean) { true, false } " |
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68 |
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69 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", |
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70 GST_PAD_SINK, |
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71 GST_PAD_ALWAYS, |
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72 GST_STATIC_CAPS (CONVERT_CAPS_TEMPLATE_STRING) |
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73 ); |
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74 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", |
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75 GST_PAD_SRC, |
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76 GST_PAD_ALWAYS, |
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77 GST_STATIC_CAPS (CONVERT_CAPS_TEMPLATE_STRING) |
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78 ); |
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79 |
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80 /* takes over reference for outcaps */ |
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81 static GstElement * |
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82 setup_audioconvert (GstCaps * outcaps) |
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83 { |
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84 GstElement *audioconvert; |
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85 |
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86 GST_DEBUG ("setup_audioconvert with caps %" GST_PTR_FORMAT, outcaps); |
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87 audioconvert = gst_check_setup_element ("audioconvert"); |
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88 g_object_set (G_OBJECT (audioconvert), "dithering", 0, NULL); |
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89 g_object_set (G_OBJECT (audioconvert), "noise-shaping", 0, NULL); |
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90 mysrcpad = gst_check_setup_src_pad (audioconvert, &srctemplate, NULL); |
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91 mysinkpad = gst_check_setup_sink_pad (audioconvert, &sinktemplate, NULL); |
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92 /* this installs a getcaps func that will always return the caps we set |
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93 * later */ |
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94 gst_pad_use_fixed_caps (mysinkpad); |
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95 gst_pad_set_caps (mysinkpad, outcaps); |
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96 gst_caps_unref (outcaps); |
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97 outcaps = gst_pad_get_negotiated_caps (mysinkpad); |
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98 fail_unless (gst_caps_is_fixed (outcaps)); |
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99 gst_caps_unref (outcaps); |
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100 |
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101 gst_pad_set_active (mysrcpad, TRUE); |
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102 gst_pad_set_active (mysinkpad, TRUE); |
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103 |
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104 return audioconvert; |
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105 } |
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106 |
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107 static void |
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108 cleanup_audioconvert (GstElement * audioconvert) |
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109 { |
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110 GST_DEBUG ("cleanup_audioconvert"); |
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111 |
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112 gst_pad_set_active (mysrcpad, FALSE); |
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113 gst_pad_set_active (mysinkpad, FALSE); |
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114 gst_check_teardown_src_pad (audioconvert); |
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115 gst_check_teardown_sink_pad (audioconvert); |
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116 gst_check_teardown_element (audioconvert); |
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117 } |
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118 |
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119 /* returns a newly allocated caps */ |
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120 static GstCaps * |
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121 get_int_caps (guint channels, gchar * endianness, guint width, |
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122 guint depth, gboolean signedness) |
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123 { |
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124 GstCaps *caps; |
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125 gchar *string; |
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126 |
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127 string = g_strdup_printf ("audio/x-raw-int, " |
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128 "rate = (int) 44100, " |
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129 "channels = (int) %d, " |
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130 "endianness = (int) %s, " |
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131 "width = (int) %d, " |
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132 "depth = (int) %d, " |
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133 "signed = (boolean) %s ", |
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134 channels, endianness, width, depth, signedness ? "true" : "false"); |
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135 GST_DEBUG ("creating caps from %s", string); |
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136 caps = gst_caps_from_string (string); |
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137 g_free (string); |
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138 fail_unless (caps != NULL); |
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139 GST_DEBUG ("returning caps %p", caps); |
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140 return caps; |
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141 } |
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142 |
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143 /* returns a newly allocated caps */ |
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144 static GstCaps * |
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145 get_float_caps (guint channels, gchar * endianness, guint width) |
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146 { |
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147 GstCaps *caps; |
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148 gchar *string; |
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149 |
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150 string = g_strdup_printf ("audio/x-raw-float, " |
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151 "rate = (int) 44100, " |
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152 "channels = (int) %d, " |
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153 "endianness = (int) %s, " |
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154 "width = (int) %d ", channels, endianness, width); |
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155 GST_DEBUG ("creating caps from %s", string); |
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156 caps = gst_caps_from_string (string); |
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157 g_free (string); |
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158 fail_unless (caps != NULL); |
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159 GST_DEBUG ("returning caps %p", caps); |
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160 return caps; |
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161 } |
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162 |
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163 /* Copied from vorbis; the particular values used don't matter */ |
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164 static GstAudioChannelPosition channelpositions[][6] = { |
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165 { /* Mono */ |
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166 GST_AUDIO_CHANNEL_POSITION_FRONT_MONO}, |
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167 { /* Stereo */ |
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168 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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169 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, |
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170 { /* Stereo + Centre */ |
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171 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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172 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
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173 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, |
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174 { /* Quadraphonic */ |
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175 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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176 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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177 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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178 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
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179 }, |
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180 { /* Stereo + Centre + rear stereo */ |
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181 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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182 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
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183 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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184 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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185 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
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186 }, |
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187 { /* Full 5.1 Surround */ |
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188 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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189 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
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190 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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191 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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192 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
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193 GST_AUDIO_CHANNEL_POSITION_LFE, |
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194 } |
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195 }; |
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196 |
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197 /* these are a bunch of random positions, they are mostly just |
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198 * different from the ones above, don't use elsewhere */ |
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199 static GstAudioChannelPosition mixed_up_positions[][6] = { |
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200 { |
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201 GST_AUDIO_CHANNEL_POSITION_FRONT_MONO}, |
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202 { |
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203 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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204 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, |
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205 { |
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206 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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207 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
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208 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, |
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209 { |
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210 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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211 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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212 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
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213 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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214 }, |
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215 { |
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216 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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217 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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218 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
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219 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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220 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
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221 }, |
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222 { |
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223 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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224 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, |
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225 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, |
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226 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, |
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227 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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228 GST_AUDIO_CHANNEL_POSITION_LFE, |
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229 } |
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230 }; |
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231 |
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232 static void |
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233 set_channel_positions (GstCaps * caps, int channels, |
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234 GstAudioChannelPosition * channelpositions) |
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235 { |
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236 GValue chanpos = { 0 }; |
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237 GValue pos = { 0 }; |
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238 GstStructure *structure = gst_caps_get_structure (caps, 0); |
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239 int c; |
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240 |
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241 g_value_init (&chanpos, GST_TYPE_ARRAY); |
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242 g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION); |
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243 |
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244 for (c = 0; c < channels; c++) { |
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245 g_value_set_enum (&pos, channelpositions[c]); |
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246 gst_value_array_append_value (&chanpos, &pos); |
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247 } |
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248 g_value_unset (&pos); |
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249 |
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250 gst_structure_set_value (structure, "channel-positions", &chanpos); |
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251 g_value_unset (&chanpos); |
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252 } |
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253 |
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254 /* For channels > 2, caps have to have channel positions. This adds some simple |
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255 * ones. Only implemented for channels between 1 and 6. |
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256 */ |
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257 static GstCaps * |
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258 get_float_mc_caps (guint channels, gchar * endianness, guint width, |
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259 gboolean mixed_up_layout) |
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260 { |
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261 GstCaps *caps = get_float_caps (channels, endianness, width); |
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262 |
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263 if (channels <= 6) { |
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264 if (mixed_up_layout) |
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265 set_channel_positions (caps, channels, mixed_up_positions[channels - 1]); |
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266 else |
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267 set_channel_positions (caps, channels, channelpositions[channels - 1]); |
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268 } |
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269 |
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270 return caps; |
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271 } |
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272 |
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273 static GstCaps * |
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274 get_int_mc_caps (guint channels, gchar * endianness, guint width, |
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275 guint depth, gboolean signedness, gboolean mixed_up_layout) |
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276 { |
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277 GstCaps *caps = get_int_caps (channels, endianness, width, depth, signedness); |
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278 |
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279 if (channels <= 6) { |
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280 if (mixed_up_layout) |
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281 set_channel_positions (caps, channels, mixed_up_positions[channels - 1]); |
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282 else |
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283 set_channel_positions (caps, channels, channelpositions[channels - 1]); |
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284 } |
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285 |
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286 return caps; |
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287 } |
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288 |
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289 /* eats the refs to the caps */ |
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290 static void |
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291 verify_convert (const gchar * which, void *in, int inlength, |
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292 GstCaps * incaps, void *out, int outlength, GstCaps * outcaps) |
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293 { |
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294 GstBuffer *inbuffer, *outbuffer; |
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295 GstElement *audioconvert; |
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296 |
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297 GST_DEBUG ("verifying conversion %s", which); |
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298 GST_DEBUG ("incaps: %" GST_PTR_FORMAT, incaps); |
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299 GST_DEBUG ("outcaps: %" GST_PTR_FORMAT, outcaps); |
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300 ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1); |
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301 ASSERT_CAPS_REFCOUNT (outcaps, "outcaps", 1); |
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302 audioconvert = setup_audioconvert (outcaps); |
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303 ASSERT_CAPS_REFCOUNT (outcaps, "outcaps", 1); |
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304 |
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305 fail_unless (gst_element_set_state (audioconvert, |
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306 GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, |
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307 "could not set to playing"); |
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308 |
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309 GST_DEBUG ("Creating buffer of %d bytes", inlength); |
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310 inbuffer = gst_buffer_new_and_alloc (inlength); |
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311 memcpy (GST_BUFFER_DATA (inbuffer), in, inlength); |
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312 gst_buffer_set_caps (inbuffer, incaps); |
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313 ASSERT_CAPS_REFCOUNT (incaps, "incaps", 2); |
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314 ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1); |
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315 |
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316 /* pushing gives away my reference ... */ |
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317 GST_DEBUG ("push it"); |
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318 fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK); |
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319 GST_DEBUG ("pushed it"); |
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320 /* ... and puts a new buffer on the global list */ |
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321 fail_unless (g_list_length (buffers) == 1); |
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322 fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); |
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323 |
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324 ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1); |
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325 fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), outlength); |
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326 |
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327 if (memcmp (GST_BUFFER_DATA (outbuffer), out, outlength) != 0) { |
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328 g_print ("\nInput data:\n"); |
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329 gst_util_dump_mem (in, inlength); |
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330 g_print ("\nConverted data:\n"); |
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331 gst_util_dump_mem (GST_BUFFER_DATA (outbuffer), outlength); |
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332 g_print ("\nExpected data:\n"); |
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333 gst_util_dump_mem (out, outlength); |
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334 } |
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335 fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), out, outlength) == 0, |
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336 "failed converting %s", which); |
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337 |
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338 /* make sure that the channel positions are not lost */ |
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339 { |
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340 GstStructure *in_s, *out_s; |
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341 gint out_chans; |
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342 |
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343 in_s = gst_caps_get_structure (incaps, 0); |
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344 out_s = gst_caps_get_structure (GST_BUFFER_CAPS (outbuffer), 0); |
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345 fail_unless (gst_structure_get_int (out_s, "channels", &out_chans)); |
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346 |
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347 /* positions for 1 and 2 channels are implicit if not provided */ |
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348 if (out_chans > 2 && gst_structure_has_field (in_s, "channel-positions")) { |
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349 if (!gst_structure_has_field (out_s, "channel-positions")) { |
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350 g_error ("Channel layout got lost somewhere:\n\nIns : %s\nOuts: %s\n", |
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351 gst_structure_to_string (in_s), gst_structure_to_string (out_s)); |
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352 } |
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353 } |
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354 } |
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355 |
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356 buffers = g_list_remove (buffers, outbuffer); |
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357 gst_buffer_unref (outbuffer); |
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358 fail_unless (gst_element_set_state (audioconvert, |
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359 GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null"); |
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360 /* cleanup */ |
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361 GST_DEBUG ("cleanup audioconvert"); |
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362 cleanup_audioconvert (audioconvert); |
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363 GST_DEBUG ("cleanup, unref incaps"); |
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364 ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1); |
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365 gst_caps_unref (incaps); |
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366 } |
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367 |
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368 |
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369 #define RUN_CONVERSION(which, inarray, in_get_caps, outarray, out_get_caps) \ |
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370 verify_convert (which, inarray, sizeof (inarray), \ |
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371 in_get_caps, outarray, sizeof (outarray), out_get_caps) |
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372 |
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373 |
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374 GST_START_TEST (test_int16) |
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375 { |
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376 /* stereo to mono */ |
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377 { |
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378 gint16 in[] = { 16384, -256, 1024, 1024 }; |
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379 gint16 out[] = { 8064, 1024 }; |
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380 |
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381 RUN_CONVERSION ("int16 stereo to mono", |
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382 in, get_int_caps (2, "BYTE_ORDER", 16, 16, TRUE), |
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383 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)); |
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384 } |
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385 /* mono to stereo */ |
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386 { |
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387 gint16 in[] = { 512, 1024 }; |
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388 gint16 out[] = { 512, 512, 1024, 1024 }; |
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389 |
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390 RUN_CONVERSION ("int16 mono to stereo", |
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391 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
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392 out, get_int_caps (2, "BYTE_ORDER", 16, 16, TRUE)); |
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393 } |
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394 /* signed -> unsigned */ |
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395 { |
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396 gint16 in[] = { 0, -32767, 32767, -32768 }; |
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397 guint16 out[] = { 32768, 1, 65535, 0 }; |
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398 |
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399 RUN_CONVERSION ("int16 signed to unsigned", |
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400 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
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401 out, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE)); |
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402 RUN_CONVERSION ("int16 unsigned to signed", |
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403 out, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE), |
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404 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)); |
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405 } |
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406 } |
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407 |
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408 GST_END_TEST; |
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409 |
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410 |
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411 GST_START_TEST (test_float32) |
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412 { |
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413 /* stereo to mono */ |
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414 { |
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415 gfloat in[] = { 0.6, -0.0078125, 0.03125, 0.03125 }; |
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416 gfloat out[] = { 0.29609375, 0.03125 }; |
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417 |
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418 RUN_CONVERSION ("float32 stereo to mono", |
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419 in, get_float_caps (2, "BYTE_ORDER", 32), |
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420 out, get_float_caps (1, "BYTE_ORDER", 32)); |
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421 } |
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422 /* mono to stereo */ |
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423 { |
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424 gfloat in[] = { 0.015625, 0.03125 }; |
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425 gfloat out[] = { 0.015625, 0.015625, 0.03125, 0.03125 }; |
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426 |
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427 RUN_CONVERSION ("float32 mono to stereo", |
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428 in, get_float_caps (1, "BYTE_ORDER", 32), |
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429 out, get_float_caps (2, "BYTE_ORDER", 32)); |
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430 } |
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431 } |
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432 |
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433 GST_END_TEST; |
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434 |
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435 |
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436 GST_START_TEST (test_int_conversion) |
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437 { |
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438 /* 8 <-> 16 signed */ |
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439 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
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440 { |
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441 gint8 in[] = { 0, 1, 2, 127, -127 }; |
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442 gint16 out[] = { 0, 256, 512, 32512, -32512 }; |
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443 |
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444 RUN_CONVERSION ("int 8bit to 16bit signed", |
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445 in, get_int_caps (1, "BYTE_ORDER", 8, 8, TRUE), |
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446 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE) |
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447 ); |
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448 RUN_CONVERSION ("int 16bit signed to 8bit", |
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449 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
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450 in, get_int_caps (1, "BYTE_ORDER", 8, 8, TRUE) |
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451 ); |
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452 } |
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453 /* 16 -> 8 signed */ |
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454 { |
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455 gint16 in[] = { 0, 127, 128, 256, 256 + 127, 256 + 128 }; |
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456 gint8 out[] = { 0, 0, 1, 1, 1, 2 }; |
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457 |
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458 RUN_CONVERSION ("16 bit to 8 signed", |
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459 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
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460 out, get_int_caps (1, "BYTE_ORDER", 8, 8, TRUE) |
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461 ); |
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462 } |
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463 /* 8 unsigned <-> 16 signed */ |
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464 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
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465 { |
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466 guint8 in[] = { 128, 129, 130, 255, 1 }; |
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467 gint16 out[] = { 0, 256, 512, 32512, -32512 }; |
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468 GstCaps *incaps, *outcaps; |
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469 |
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470 /* exploded for easier valgrinding */ |
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471 incaps = get_int_caps (1, "BYTE_ORDER", 8, 8, FALSE); |
|
472 outcaps = get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE); |
|
473 GST_DEBUG ("incaps: %" GST_PTR_FORMAT, incaps); |
|
474 GST_DEBUG ("outcaps: %" GST_PTR_FORMAT, outcaps); |
|
475 RUN_CONVERSION ("8 unsigned to 16 signed", in, incaps, out, outcaps); |
|
476 RUN_CONVERSION ("16 signed to 8 unsigned", out, get_int_caps (1, |
|
477 "BYTE_ORDER", 16, 16, TRUE), in, get_int_caps (1, "BYTE_ORDER", 8, |
|
478 8, FALSE) |
|
479 ); |
|
480 } |
|
481 /* 8 <-> 24 signed */ |
|
482 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
483 { |
|
484 gint8 in[] = { 0, 1, 127 }; |
|
485 guint8 out[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x7f }; |
|
486 /* out has the bytes in little-endian, so that's how they should be |
|
487 * interpreted during conversion */ |
|
488 |
|
489 RUN_CONVERSION ("8 to 24 signed", in, get_int_caps (1, "BYTE_ORDER", 8, 8, |
|
490 TRUE), out, get_int_caps (1, "LITTLE_ENDIAN", 24, 24, TRUE) |
|
491 ); |
|
492 RUN_CONVERSION ("24 signed to 8", out, get_int_caps (1, "LITTLE_ENDIAN", 24, |
|
493 24, TRUE), in, get_int_caps (1, "BYTE_ORDER", 8, 8, TRUE) |
|
494 ); |
|
495 } |
|
496 |
|
497 /* 16 bit signed <-> unsigned */ |
|
498 { |
|
499 gint16 in[] = { 0, 128, -128 }; |
|
500 guint16 out[] = { 32768, 32896, 32640 }; |
|
501 RUN_CONVERSION ("16 signed to 16 unsigned", |
|
502 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
|
503 out, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE) |
|
504 ); |
|
505 RUN_CONVERSION ("16 unsigned to 16 signed", |
|
506 out, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE), |
|
507 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE) |
|
508 ); |
|
509 } |
|
510 |
|
511 /* 16 bit signed <-> 8 in 16 bit signed */ |
|
512 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
513 { |
|
514 gint16 in[] = { 0, 64 << 8, -64 << 8 }; |
|
515 gint16 out[] = { 0, 64, -64 }; |
|
516 RUN_CONVERSION ("16 signed to 8 in 16 signed", |
|
517 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
|
518 out, get_int_caps (1, "BYTE_ORDER", 16, 8, TRUE) |
|
519 ); |
|
520 RUN_CONVERSION ("8 in 16 signed to 16 signed", |
|
521 out, get_int_caps (1, "BYTE_ORDER", 16, 8, TRUE), |
|
522 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE) |
|
523 ); |
|
524 } |
|
525 |
|
526 /* 16 bit unsigned <-> 8 in 16 bit unsigned */ |
|
527 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
528 { |
|
529 guint16 in[] = { 1 << 15, (1 << 15) - (64 << 8), (1 << 15) + (64 << 8) }; |
|
530 guint16 out[] = { 1 << 7, (1 << 7) - 64, (1 << 7) + 64 }; |
|
531 RUN_CONVERSION ("16 unsigned to 8 in 16 unsigned", |
|
532 in, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE), |
|
533 out, get_int_caps (1, "BYTE_ORDER", 16, 8, FALSE) |
|
534 ); |
|
535 RUN_CONVERSION ("8 in 16 unsigned to 16 unsigned", |
|
536 out, get_int_caps (1, "BYTE_ORDER", 16, 8, FALSE), |
|
537 in, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE) |
|
538 ); |
|
539 } |
|
540 |
|
541 /* 32 bit signed -> 16 bit signed for rounding check */ |
|
542 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
543 { |
|
544 gint32 in[] = { 0, G_MININT32, G_MAXINT32, |
|
545 (32 << 16), (32 << 16) + (1 << 15), (32 << 16) - (1 << 15), |
|
546 (32 << 16) + (2 << 15), (32 << 16) - (2 << 15), |
|
547 (-32 << 16) + (1 << 15), (-32 << 16) - (1 << 15), |
|
548 (-32 << 16) + (2 << 15), (-32 << 16) - (2 << 15), |
|
549 (-32 << 16) |
|
550 }; |
|
551 gint16 out[] = { 0, G_MININT16, G_MAXINT16, |
|
552 32, 33, 32, |
|
553 33, 31, |
|
554 -31, -32, |
|
555 -31, -33, |
|
556 -32 |
|
557 }; |
|
558 RUN_CONVERSION ("32 signed to 16 signed for rounding", |
|
559 in, get_int_caps (1, "BYTE_ORDER", 32, 32, TRUE), |
|
560 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE) |
|
561 ); |
|
562 } |
|
563 |
|
564 /* 32 bit signed -> 16 bit unsigned for rounding check */ |
|
565 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
566 { |
|
567 gint32 in[] = { 0, G_MININT32, G_MAXINT32, |
|
568 (32 << 16), (32 << 16) + (1 << 15), (32 << 16) - (1 << 15), |
|
569 (32 << 16) + (2 << 15), (32 << 16) - (2 << 15), |
|
570 (-32 << 16) + (1 << 15), (-32 << 16) - (1 << 15), |
|
571 (-32 << 16) + (2 << 15), (-32 << 16) - (2 << 15), |
|
572 (-32 << 16) |
|
573 }; |
|
574 guint16 out[] = { (1 << 15), 0, G_MAXUINT16, |
|
575 (1 << 15) + 32, (1 << 15) + 33, (1 << 15) + 32, |
|
576 (1 << 15) + 33, (1 << 15) + 31, |
|
577 (1 << 15) - 31, (1 << 15) - 32, |
|
578 (1 << 15) - 31, (1 << 15) - 33, |
|
579 (1 << 15) - 32 |
|
580 }; |
|
581 RUN_CONVERSION ("32 signed to 16 unsigned for rounding", |
|
582 in, get_int_caps (1, "BYTE_ORDER", 32, 32, TRUE), |
|
583 out, get_int_caps (1, "BYTE_ORDER", 16, 16, FALSE) |
|
584 ); |
|
585 } |
|
586 } |
|
587 |
|
588 GST_END_TEST; |
|
589 |
|
590 GST_START_TEST (test_float_conversion) |
|
591 { |
|
592 /* 32 float <-> 16 signed */ |
|
593 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
594 { |
|
595 gfloat in_le[] = |
|
596 { GFLOAT_TO_LE (0.0), GFLOAT_TO_LE (1.0), GFLOAT_TO_LE (-1.0), |
|
597 GFLOAT_TO_LE (0.5), GFLOAT_TO_LE (-0.5), GFLOAT_TO_LE (1.1), |
|
598 GFLOAT_TO_LE (-1.1) |
|
599 }; |
|
600 gfloat in_be[] = |
|
601 { GFLOAT_TO_BE (0.0), GFLOAT_TO_BE (1.0), GFLOAT_TO_BE (-1.0), |
|
602 GFLOAT_TO_BE (0.5), GFLOAT_TO_BE (-0.5), GFLOAT_TO_BE (1.1), |
|
603 GFLOAT_TO_BE (-1.1) |
|
604 }; |
|
605 gint16 out[] = { 0, 32767, -32768, 16384, -16384, 32767, -32768 }; |
|
606 |
|
607 /* only one direction conversion, the other direction does |
|
608 * not produce exactly the same as the input due to floating |
|
609 * point rounding errors etc. */ |
|
610 RUN_CONVERSION ("32 float le to 16 signed", |
|
611 in_le, get_float_caps (1, "LITTLE_ENDIAN", 32), |
|
612 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)); |
|
613 RUN_CONVERSION ("32 float be to 16 signed", |
|
614 in_be, get_float_caps (1, "BIG_ENDIAN", 32), |
|
615 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)); |
|
616 } |
|
617 |
|
618 { |
|
619 gint16 in[] = { 0, -32768, 16384, -16384 }; |
|
620 gfloat out[] = { 0.0, -1.0, 0.5, -0.5 }; |
|
621 |
|
622 RUN_CONVERSION ("16 signed to 32 float", |
|
623 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
|
624 out, get_float_caps (1, "BYTE_ORDER", 32)); |
|
625 } |
|
626 |
|
627 /* 64 float <-> 16 signed */ |
|
628 /* NOTE: if audioconvert was doing dithering we'd have a problem */ |
|
629 { |
|
630 gdouble in_le[] = |
|
631 { GDOUBLE_TO_LE (0.0), GDOUBLE_TO_LE (1.0), GDOUBLE_TO_LE (-1.0), |
|
632 GDOUBLE_TO_LE (0.5), GDOUBLE_TO_LE (-0.5), GDOUBLE_TO_LE (1.1), |
|
633 GDOUBLE_TO_LE (-1.1) |
|
634 }; |
|
635 gdouble in_be[] = |
|
636 { GDOUBLE_TO_BE (0.0), GDOUBLE_TO_BE (1.0), GDOUBLE_TO_BE (-1.0), |
|
637 GDOUBLE_TO_BE (0.5), GDOUBLE_TO_BE (-0.5), GDOUBLE_TO_BE (1.1), |
|
638 GDOUBLE_TO_BE (-1.1) |
|
639 }; |
|
640 gint16 out[] = { 0, 32767, -32768, 16384, -16384, 32767, -32768 }; |
|
641 |
|
642 /* only one direction conversion, the other direction does |
|
643 * not produce exactly the same as the input due to floating |
|
644 * point rounding errors etc. */ |
|
645 RUN_CONVERSION ("64 float LE to 16 signed", |
|
646 in_le, get_float_caps (1, "LITTLE_ENDIAN", 64), |
|
647 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)); |
|
648 RUN_CONVERSION ("64 float BE to 16 signed", |
|
649 in_be, get_float_caps (1, "BIG_ENDIAN", 64), |
|
650 out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)); |
|
651 } |
|
652 { |
|
653 gint16 in[] = { 0, -32768, 16384, -16384 }; |
|
654 gdouble out[] = { 0.0, |
|
655 (gdouble) (-32768L << 16) / 2147483647.0, /* ~ -1.0 */ |
|
656 (gdouble) (16384L << 16) / 2147483647.0, /* ~ 0.5 */ |
|
657 (gdouble) (-16384L << 16) / 2147483647.0, /* ~ -0.5 */ |
|
658 }; |
|
659 |
|
660 RUN_CONVERSION ("16 signed to 64 float", |
|
661 in, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE), |
|
662 out, get_float_caps (1, "BYTE_ORDER", 64)); |
|
663 } |
|
664 { |
|
665 gint32 in[] = { 0, (-1L << 31), (1L << 30), (-1L << 30) }; |
|
666 gdouble out[] = { 0.0, |
|
667 (gdouble) (-1L << 31) / 2147483647.0, /* ~ -1.0 */ |
|
668 (gdouble) (1L << 30) / 2147483647.0, /* ~ 0.5 */ |
|
669 (gdouble) (-1L << 30) / 2147483647.0, /* ~ -0.5 */ |
|
670 }; |
|
671 |
|
672 RUN_CONVERSION ("32 signed to 64 float", |
|
673 in, get_int_caps (1, "BYTE_ORDER", 32, 32, TRUE), |
|
674 out, get_float_caps (1, "BYTE_ORDER", 64)); |
|
675 } |
|
676 |
|
677 /* 64-bit float <-> 32-bit float */ |
|
678 { |
|
679 gdouble in[] = { 0.0, 1.0, -1.0, 0.5, -0.5 }; |
|
680 gfloat out[] = { 0.0, 1.0, -1.0, 0.5, -0.5 }; |
|
681 |
|
682 RUN_CONVERSION ("64 float to 32 float", |
|
683 in, get_float_caps (1, "BYTE_ORDER", 64), |
|
684 out, get_float_caps (1, "BYTE_ORDER", 32)); |
|
685 |
|
686 RUN_CONVERSION ("32 float to 64 float", |
|
687 out, get_float_caps (1, "BYTE_ORDER", 32), |
|
688 in, get_float_caps (1, "BYTE_ORDER", 64)); |
|
689 } |
|
690 |
|
691 /* 32-bit float little endian <-> big endian */ |
|
692 { |
|
693 gfloat le[] = { GFLOAT_TO_LE (0.0), GFLOAT_TO_LE (1.0), GFLOAT_TO_LE (-1.0), |
|
694 GFLOAT_TO_LE (0.5), GFLOAT_TO_LE (-0.5) |
|
695 }; |
|
696 gfloat be[] = { GFLOAT_TO_BE (0.0), GFLOAT_TO_BE (1.0), GFLOAT_TO_BE (-1.0), |
|
697 GFLOAT_TO_BE (0.5), GFLOAT_TO_BE (-0.5) |
|
698 }; |
|
699 |
|
700 RUN_CONVERSION ("32 float LE to BE", |
|
701 le, get_float_caps (1, "LITTLE_ENDIAN", 32), |
|
702 be, get_float_caps (1, "BIG_ENDIAN", 32)); |
|
703 |
|
704 RUN_CONVERSION ("32 float BE to LE", |
|
705 be, get_float_caps (1, "BIG_ENDIAN", 32), |
|
706 le, get_float_caps (1, "LITTLE_ENDIAN", 32)); |
|
707 } |
|
708 |
|
709 /* 64-bit float little endian <-> big endian */ |
|
710 { |
|
711 gdouble le[] = |
|
712 { GDOUBLE_TO_LE (0.0), GDOUBLE_TO_LE (1.0), GDOUBLE_TO_LE (-1.0), |
|
713 GDOUBLE_TO_LE (0.5), GDOUBLE_TO_LE (-0.5) |
|
714 }; |
|
715 gdouble be[] = |
|
716 { GDOUBLE_TO_BE (0.0), GDOUBLE_TO_BE (1.0), GDOUBLE_TO_BE (-1.0), |
|
717 GDOUBLE_TO_BE (0.5), GDOUBLE_TO_BE (-0.5) |
|
718 }; |
|
719 |
|
720 RUN_CONVERSION ("64 float LE to BE", |
|
721 le, get_float_caps (1, "LITTLE_ENDIAN", 64), |
|
722 be, get_float_caps (1, "BIG_ENDIAN", 64)); |
|
723 |
|
724 RUN_CONVERSION ("64 float BE to LE", |
|
725 be, get_float_caps (1, "BIG_ENDIAN", 64), |
|
726 le, get_float_caps (1, "LITTLE_ENDIAN", 64)); |
|
727 } |
|
728 } |
|
729 |
|
730 GST_END_TEST; |
|
731 |
|
732 |
|
733 GST_START_TEST (test_multichannel_conversion) |
|
734 { |
|
735 { |
|
736 /* Ensure that audioconvert prefers to convert to integer, rather than mix |
|
737 * to mono |
|
738 */ |
|
739 gfloat in[] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }; |
|
740 gfloat out[] = { 0.0, 0.0 }; |
|
741 |
|
742 /* only one direction conversion, the other direction does |
|
743 * not produce exactly the same as the input due to floating |
|
744 * point rounding errors etc. */ |
|
745 RUN_CONVERSION ("3 channels to 1", in, get_float_mc_caps (3, |
|
746 "BYTE_ORDER", 32, FALSE), out, get_float_caps (1, "BYTE_ORDER", |
|
747 32)); |
|
748 } |
|
749 } |
|
750 |
|
751 GST_END_TEST; |
|
752 |
|
753 |
|
754 GST_START_TEST (test_channel_remapping) |
|
755 { |
|
756 /* float */ |
|
757 { |
|
758 gfloat in[] = { 0.0, 1.0, -0.5 }; |
|
759 gfloat out[] = { -0.5, 1.0, 0.0 }; |
|
760 GstCaps *in_caps = get_float_mc_caps (3, "BYTE_ORDER", 32, FALSE); |
|
761 GstCaps *out_caps = get_float_mc_caps (3, "BYTE_ORDER", 32, TRUE); |
|
762 |
|
763 RUN_CONVERSION ("3 channels layout remapping float", in, in_caps, |
|
764 out, out_caps); |
|
765 } |
|
766 |
|
767 /* int */ |
|
768 { |
|
769 guint16 in[] = { 0, 65535, 0x9999 }; |
|
770 guint16 out[] = { 0x9999, 65535, 0 }; |
|
771 GstCaps *in_caps = get_int_mc_caps (3, "BYTE_ORDER", 16, 16, FALSE, FALSE); |
|
772 GstCaps *out_caps = get_int_mc_caps (3, "BYTE_ORDER", 16, 16, FALSE, TRUE); |
|
773 |
|
774 RUN_CONVERSION ("3 channels layout remapping int", in, in_caps, |
|
775 out, out_caps); |
|
776 } |
|
777 |
|
778 /* TODO: float => int conversion with remapping and vice versa, |
|
779 * int => int conversion with remapping */ |
|
780 } |
|
781 |
|
782 GST_END_TEST; |
|
783 |
|
784 GST_START_TEST (test_caps_negotiation) |
|
785 { |
|
786 GstElement *src, *ac1, *ac2, *ac3, *sink; |
|
787 GstElement *pipeline; |
|
788 GstPad *ac3_src; |
|
789 GstCaps *caps1, *caps2; |
|
790 |
|
791 pipeline = gst_pipeline_new ("test"); |
|
792 |
|
793 /* create elements */ |
|
794 src = gst_element_factory_make ("audiotestsrc", "src"); |
|
795 ac1 = gst_element_factory_make ("audioconvert", "ac1"); |
|
796 ac2 = gst_element_factory_make ("audioconvert", "ac2"); |
|
797 ac3 = gst_element_factory_make ("audioconvert", "ac3"); |
|
798 sink = gst_element_factory_make ("fakesink", "sink"); |
|
799 ac3_src = gst_element_get_pad (ac3, "src"); |
|
800 |
|
801 /* test with 2 audioconvert elements */ |
|
802 gst_bin_add_many (GST_BIN (pipeline), src, ac1, ac3, sink, NULL); |
|
803 gst_element_link_many (src, ac1, ac3, sink, NULL); |
|
804 |
|
805 /* Set to PAUSED and wait for PREROLL */ |
|
806 fail_if (gst_element_set_state (pipeline, GST_STATE_PAUSED) == |
|
807 GST_STATE_CHANGE_FAILURE, "Failed to set test pipeline to PAUSED"); |
|
808 fail_if (gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE) != |
|
809 GST_STATE_CHANGE_SUCCESS, "Failed to set test pipeline to PAUSED"); |
|
810 |
|
811 caps1 = gst_pad_get_caps (ac3_src); |
|
812 fail_if (caps1 == NULL, "gst_pad_get_caps returned NULL"); |
|
813 GST_DEBUG ("Caps size 1 : %d", gst_caps_get_size (caps1)); |
|
814 |
|
815 fail_if (gst_element_set_state (pipeline, GST_STATE_READY) == |
|
816 GST_STATE_CHANGE_FAILURE, "Failed to set test pipeline back to READY"); |
|
817 fail_if (gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE) != |
|
818 GST_STATE_CHANGE_SUCCESS, "Failed to set test pipeline back to READY"); |
|
819 |
|
820 /* test with 3 audioconvert elements */ |
|
821 gst_element_unlink (ac1, ac3); |
|
822 gst_bin_add (GST_BIN (pipeline), ac2); |
|
823 gst_element_link_many (ac1, ac2, ac3, NULL); |
|
824 |
|
825 fail_if (gst_element_set_state (pipeline, GST_STATE_PAUSED) == |
|
826 GST_STATE_CHANGE_FAILURE, "Failed to set test pipeline back to PAUSED"); |
|
827 fail_if (gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE) != |
|
828 GST_STATE_CHANGE_SUCCESS, "Failed to set test pipeline back to PAUSED"); |
|
829 |
|
830 caps2 = gst_pad_get_caps (ac3_src); |
|
831 |
|
832 fail_if (caps2 == NULL, "gst_pad_get_caps returned NULL"); |
|
833 GST_DEBUG ("Caps size 2 : %d", gst_caps_get_size (caps2)); |
|
834 fail_unless (gst_caps_get_size (caps1) == gst_caps_get_size (caps2)); |
|
835 |
|
836 gst_caps_unref (caps1); |
|
837 gst_caps_unref (caps2); |
|
838 |
|
839 fail_if (gst_element_set_state (pipeline, GST_STATE_NULL) == |
|
840 GST_STATE_CHANGE_FAILURE, "Failed to set test pipeline back to NULL"); |
|
841 fail_if (gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE) != |
|
842 GST_STATE_CHANGE_SUCCESS, "Failed to set test pipeline back to NULL"); |
|
843 |
|
844 gst_object_unref (ac3_src); |
|
845 gst_object_unref (pipeline); |
|
846 } |
|
847 |
|
848 GST_END_TEST; |
|
849 |
|
850 |
|
851 static Suite * |
|
852 audioconvert_suite (void) |
|
853 { |
|
854 Suite *s = suite_create ("audioconvert"); |
|
855 TCase *tc_chain = tcase_create ("general"); |
|
856 |
|
857 suite_add_tcase (s, tc_chain); |
|
858 tcase_add_test (tc_chain, test_int16); |
|
859 tcase_add_test (tc_chain, test_float32); |
|
860 tcase_add_test (tc_chain, test_int_conversion); |
|
861 tcase_add_test (tc_chain, test_float_conversion); |
|
862 tcase_add_test (tc_chain, test_multichannel_conversion); |
|
863 tcase_add_test (tc_chain, test_channel_remapping); |
|
864 tcase_add_test (tc_chain, test_caps_negotiation); |
|
865 |
|
866 return s; |
|
867 } |
|
868 |
|
869 int |
|
870 main (int argc, char **argv) |
|
871 { |
|
872 int nf; |
|
873 |
|
874 Suite *s = audioconvert_suite (); |
|
875 SRunner *sr = srunner_create (s); |
|
876 |
|
877 gst_check_init (&argc, &argv); |
|
878 |
|
879 srunner_run_all (sr, CK_NORMAL); |
|
880 nf = srunner_ntests_failed (sr); |
|
881 srunner_free (sr); |
|
882 |
|
883 return nf; |
|
884 } |