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1 /* GStreamer |
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2 * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net> |
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3 * |
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4 * gstpreset.h: helper interface header for element presets |
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5 * |
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6 * This library is free software; you can redistribute it and/or |
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7 * modify it under the terms of the GNU Library General Public |
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8 * License as published by the Free Software Foundation; either |
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9 * version 2 of the License, or (at your option) any later version. |
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10 * |
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11 * This library is distributed in the hope that it will be useful, |
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 * Library General Public License for more details. |
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15 * |
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16 * You should have received a copy of the GNU Library General Public |
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17 * License along with this library; if not, write to the |
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18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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19 * Boston, MA 02111-1307, USA. |
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20 */ |
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21 |
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22 #ifndef __GST_PRESET_H__ |
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23 #define __GST_PRESET_H__ |
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24 |
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25 #include <glib-object.h> |
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26 #include <gst/gst.h> |
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27 |
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28 G_BEGIN_DECLS |
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29 |
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30 #define GST_TYPE_PRESET (gst_preset_get_type()) |
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31 #define GST_PRESET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PRESET, GstPreset)) |
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32 #define GST_IS_PRESET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PRESET)) |
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33 #define GST_PRESET_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_PRESET, GstPresetInterface)) |
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34 |
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35 /** |
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36 * GstPreset: |
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37 * |
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38 * Opaque #GstPreset data structure. |
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39 */ |
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40 typedef struct _GstPreset GstPreset; /* dummy object */ |
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41 typedef struct _GstPresetInterface GstPresetInterface; |
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42 |
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43 /** |
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44 * GstPresetInterface: |
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45 * @parent: parent interface type. |
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46 * @get_preset_names: virtual method to get list of presets |
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47 * @get_property_names: virtual methods to get properties that are persistent |
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48 * @load_preset: virtual methods to load a preset into properties |
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49 * @save_preset: virtual methods to save properties into a preset |
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50 * @rename_preset: virtual methods to rename a preset |
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51 * @delete_preset: virtual methods to remove a preset |
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52 * @set_meta: virtual methods to set textual meta data to a preset |
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53 * @get_meta: virtual methods to get textual meta data from a preset |
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54 * |
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55 * #GstPreset interface. |
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56 */ |
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57 struct _GstPresetInterface |
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58 { |
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59 GTypeInterface parent; |
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60 |
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61 /* methods */ |
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62 gchar** (*get_preset_names) (GstPreset *preset); |
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63 |
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64 gchar** (*get_property_names) (GstPreset *preset); |
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65 |
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66 gboolean (*load_preset) (GstPreset *preset, const gchar *name); |
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67 gboolean (*save_preset) (GstPreset *preset, const gchar *name); |
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68 gboolean (*rename_preset) (GstPreset *preset, const gchar *old_name, |
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69 const gchar *new_name); |
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70 gboolean (*delete_preset) (GstPreset *preset, const gchar *name); |
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71 |
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72 gboolean (*set_meta) (GstPreset *preset, const gchar *name, |
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73 const gchar *tag, const gchar *value); |
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74 gboolean (*get_meta) (GstPreset *preset, const gchar *name, |
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75 const gchar *tag, gchar **value); |
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76 /*< private >*/ |
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77 gpointer _gst_reserved[GST_PADDING]; |
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78 }; |
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79 #ifdef __SYMBIAN32__ |
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80 IMPORT_C |
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81 #endif |
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82 |
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83 |
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84 GType gst_preset_get_type(void); |
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85 #ifdef __SYMBIAN32__ |
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86 IMPORT_C |
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87 #endif |
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88 |
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89 |
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90 gchar** gst_preset_get_preset_names (GstPreset *preset); |
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91 #ifdef __SYMBIAN32__ |
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92 IMPORT_C |
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93 #endif |
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94 |
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95 |
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96 gchar** gst_preset_get_property_names (GstPreset *preset); |
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97 #ifdef __SYMBIAN32__ |
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98 IMPORT_C |
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99 #endif |
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100 |
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101 |
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102 gboolean gst_preset_load_preset (GstPreset *preset, const gchar *name); |
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103 #ifdef __SYMBIAN32__ |
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104 IMPORT_C |
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105 #endif |
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106 |
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107 gboolean gst_preset_save_preset (GstPreset *preset, const gchar *name); |
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108 #ifdef __SYMBIAN32__ |
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109 IMPORT_C |
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110 #endif |
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111 |
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112 gboolean gst_preset_rename_preset (GstPreset *preset, const gchar *old_name, |
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113 const gchar *new_name); |
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114 #ifdef __SYMBIAN32__ |
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115 IMPORT_C |
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116 #endif |
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117 |
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118 gboolean gst_preset_delete_preset (GstPreset *preset, const gchar *name); |
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119 #ifdef __SYMBIAN32__ |
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120 IMPORT_C |
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121 #endif |
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122 |
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123 |
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124 gboolean gst_preset_set_meta (GstPreset *preset, const gchar *name, |
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125 const gchar *tag, const gchar *value); |
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126 #ifdef __SYMBIAN32__ |
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127 IMPORT_C |
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128 #endif |
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129 |
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130 gboolean gst_preset_get_meta (GstPreset *preset, const gchar *name, |
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131 const gchar *tag, gchar **value); |
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132 |
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133 G_END_DECLS |
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134 |
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135 #endif /* __GST_PRESET_H__ */ |