1 | //roarmixer.h: |
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2 | /* GStreamer |
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3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
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4 | * Copyright (C) <2008> Philipp 'ph3-der-loewe' Schafft |
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5 | * Copyright (C) <2009> Philipp 'ph3-der-loewe' Schafft |
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6 | * <lion@lion.leolix.org> |
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7 | * |
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8 | * roarmixer.h: an RoarAudio audio mixer |
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9 | * |
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10 | * This library is free software; you can redistribute it and/or |
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11 | * modify it under the terms of the GNU Library General Public |
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12 | * License as published by the Free Software Foundation; either |
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13 | * version 2 of the License, or (at your option) any later version. |
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14 | * |
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15 | * This library is distributed in the hope that it will be useful, |
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | * Library General Public License for more details. |
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19 | * |
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20 | * You should have received a copy of the GNU Library General Public |
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21 | * License along with this library; if not, write to the |
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22 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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23 | * Boston, MA 02111-1307, USA. |
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24 | */ |
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25 | |
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26 | |
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27 | #ifndef __GST_ROARMIXER_H__ |
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28 | #define __GST_ROARMIXER_H__ |
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29 | |
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30 | #include <gst/gst.h> |
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31 | #include <gst/interfaces/mixer.h> |
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32 | #include <roaraudio.h> |
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33 | |
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34 | #define VERSION "0.0.1" |
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35 | #define PACKAGE "gst-plugins" |
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36 | #define GST_PACKAGE_ORIGIN "Unknown package origin" |
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37 | #define GST_PACKAGE_NAME "GStreamer Plug-ins source release" |
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38 | |
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39 | G_BEGIN_DECLS |
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40 | |
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41 | #define GST_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElement)) |
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42 | #define GST_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElementClass)) |
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43 | #define GST_IS_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ROAR_MIXER_ELEMENT)) |
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44 | #define GST_IS_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ROAR_MIXER_ELEMENT)) |
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45 | #define GST_TYPE_ROAR_MIXER_ELEMENT (gst_roar_mixer_element_get_type()) |
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46 | |
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47 | |
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48 | typedef struct _GstRoarMixerElement GstRoarMixerElement; |
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49 | typedef struct _GstRoarMixerElementClass GstRoarMixerElementClass; |
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50 | typedef struct _GstRoarMixer GstRoarMixer; |
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51 | |
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52 | struct _GstRoarMixerElement { |
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53 | GstElement parent; |
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54 | |
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55 | GstRoarMixer *mixer; |
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56 | }; |
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57 | |
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58 | struct _GstRoarMixerElementClass { |
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59 | GstElementClass parent; |
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60 | }; |
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61 | |
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62 | |
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63 | GType gst_roar_mixer_element_get_type (void); |
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64 | |
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65 | typedef enum { |
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66 | GST_ROAR_MIXER_CAPTURE = 1<<0, |
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67 | GST_ROAR_MIXER_PLAYBACK = 1<<1, |
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68 | GST_ROAR_MIXER_ALL = GST_ROAR_MIXER_CAPTURE | GST_ROAR_MIXER_PLAYBACK |
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69 | } GstRoarMixerDirection; |
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70 | |
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71 | |
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72 | #define GST_ROAR_MIXER(obj) ((GstRoarMixer*)(obj)) |
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73 | |
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74 | #define GST_TYPE_ROARMIXER \ |
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75 | (gst_roarmixer_get_type()) |
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76 | |
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77 | struct _GstRoarMixer { |
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78 | GList * tracklist; /* list of available tracks */ |
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79 | |
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80 | struct roar_connection con; |
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81 | int fd; |
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82 | gchar *host; |
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83 | |
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84 | gchar * device; |
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85 | gchar * cardname; |
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86 | GstRoarMixerDirection dir; |
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87 | }; |
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88 | |
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89 | typedef struct _GstRoarMixerTrack { |
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90 | GstMixerTrack parent; |
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91 | |
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92 | struct roar_mixer_settings mixer; |
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93 | gint channels; |
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94 | gchar * name; |
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95 | gint stream_id; |
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96 | } GstRoarMixerTrack; |
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97 | |
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98 | typedef struct _GstRoarMixerTrackClass { |
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99 | GstMixerTrackClass parent; |
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100 | } GstRoarMixerTrackClass; |
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101 | |
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102 | GType gst_roarmixer_get_type(void); |
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103 | gboolean gst_roarmixer_factory_init (GstPlugin *plugin); |
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104 | |
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105 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
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106 | GstRoarMixerDirection dir); |
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107 | void gst_roarmixer_free (GstRoarMixer *mixer); |
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108 | |
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109 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer); |
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110 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
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111 | GstMixerTrack * track, |
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112 | gint * volumes); |
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113 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
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114 | GstMixerTrack * track, |
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115 | gint * volumes); |
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116 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
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117 | GstMixerTrack * track, |
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118 | gboolean record); |
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119 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
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120 | GstMixerTrack * track, |
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121 | gboolean mute); |
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122 | |
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123 | #define GST_IMPLEMENT_ROAR_MIXER_METHODS(Type, interface_as_function) \ |
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124 | static gboolean \ |
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125 | interface_as_function ## _supported (Type *this, GType iface_type) \ |
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126 | { \ |
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127 | g_assert (iface_type == GST_TYPE_MIXER); \ |
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128 | \ |
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129 | return (this->mixer != NULL); \ |
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130 | } \ |
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131 | \ |
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132 | static const GList* \ |
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133 | interface_as_function ## _list_tracks (GstMixer * mixer) \ |
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134 | { \ |
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135 | Type *this = (Type*) mixer; \ |
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136 | \ |
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137 | g_return_val_if_fail (this != NULL, NULL); \ |
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138 | g_return_val_if_fail (this->mixer != NULL, NULL); \ |
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139 | \ |
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140 | return gst_roarmixer_list_tracks (this->mixer); \ |
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141 | } \ |
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142 | \ |
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143 | static void \ |
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144 | interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \ |
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145 | gint * volumes) \ |
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146 | { \ |
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147 | Type *this = (Type*) mixer; \ |
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148 | \ |
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149 | g_return_if_fail (this != NULL); \ |
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150 | g_return_if_fail (this->mixer != NULL); \ |
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151 | \ |
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152 | gst_roarmixer_set_volume (this->mixer, track, volumes); \ |
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153 | } \ |
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154 | \ |
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155 | static void \ |
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156 | interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \ |
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157 | gint * volumes) \ |
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158 | { \ |
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159 | Type *this = (Type*) mixer; \ |
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160 | \ |
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161 | g_return_if_fail (this != NULL); \ |
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162 | g_return_if_fail (this->mixer != NULL); \ |
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163 | \ |
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164 | gst_roarmixer_get_volume (this->mixer, track, volumes); \ |
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165 | } \ |
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166 | \ |
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167 | static void \ |
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168 | interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \ |
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169 | gboolean record) \ |
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170 | { \ |
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171 | Type *this = (Type*) mixer; \ |
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172 | \ |
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173 | g_return_if_fail (this != NULL); \ |
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174 | g_return_if_fail (this->mixer != NULL); \ |
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175 | \ |
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176 | gst_roarmixer_set_record (this->mixer, track, record); \ |
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177 | } \ |
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178 | \ |
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179 | static void \ |
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180 | interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \ |
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181 | gboolean mute) \ |
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182 | { \ |
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183 | Type *this = (Type*) mixer; \ |
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184 | \ |
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185 | g_return_if_fail (this != NULL); \ |
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186 | g_return_if_fail (this->mixer != NULL); \ |
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187 | \ |
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188 | gst_roarmixer_set_mute (this->mixer, track, mute); \ |
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189 | } \ |
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190 | \ |
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191 | static void \ |
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192 | interface_as_function ## _interface_init (GstMixerClass * klass) \ |
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193 | { \ |
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194 | GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE; \ |
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195 | \ |
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196 | /* set up the interface hooks */ \ |
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197 | klass->list_tracks = interface_as_function ## _list_tracks; \ |
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198 | klass->set_volume = interface_as_function ## _set_volume; \ |
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199 | klass->get_volume = interface_as_function ## _get_volume; \ |
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200 | klass->set_mute = interface_as_function ## _set_mute; \ |
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201 | klass->set_record = interface_as_function ## _set_record; \ |
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202 | } |
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203 | |
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204 | |
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205 | G_END_DECLS |
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206 | |
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207 | #endif /* __GST_ROARMIXER_H__ */ |
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