| 1 | /* GStreamer |
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| 2 | * Copyright (C) 2006 Stefan Kost <[email protected]> |
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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., 51 Franklin St, Fifth Floor, |
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| 19 | * Boston, MA 02110-1301, 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/gstconfig.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 | |
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| 80 | GST_API |
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| 81 | GType gst_preset_get_type (void); |
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| 82 | |
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| 83 | GST_API |
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| 84 | gchar** gst_preset_get_preset_names (GstPreset *preset) G_GNUC_MALLOC; |
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| 85 | |
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| 86 | GST_API |
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| 87 | gchar** gst_preset_get_property_names (GstPreset *preset) G_GNUC_MALLOC; |
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| 88 | |
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| 89 | GST_API |
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| 90 | gboolean gst_preset_load_preset (GstPreset *preset, const gchar *name); |
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| 91 | |
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| 92 | GST_API |
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| 93 | gboolean gst_preset_save_preset (GstPreset *preset, const gchar *name); |
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| 94 | |
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| 95 | GST_API |
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| 96 | gboolean gst_preset_rename_preset (GstPreset *preset, const gchar *old_name, |
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| 97 | const gchar *new_name); |
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| 98 | GST_API |
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| 99 | gboolean gst_preset_delete_preset (GstPreset *preset, const gchar *name); |
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| 100 | |
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| 101 | GST_API |
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| 102 | gboolean gst_preset_set_meta (GstPreset *preset, const gchar *name, |
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| 103 | const gchar *tag, const gchar *value); |
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| 104 | GST_API |
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| 105 | gboolean gst_preset_get_meta (GstPreset *preset, const gchar *name, |
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| 106 | const gchar *tag, gchar **value); |
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| 107 | GST_API |
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| 108 | gboolean gst_preset_set_app_dir (const gchar *app_dir); |
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| 109 | |
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| 110 | GST_API |
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| 111 | const gchar *gst_preset_get_app_dir (void); |
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| 112 | |
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| 113 | GST_API |
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| 114 | gboolean gst_preset_is_editable (GstPreset *preset); |
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| 115 | |
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| 116 | G_END_DECLS |
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| 117 | |
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| 118 | #endif /* __GST_PRESET_H__ */ |
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| 119 | |
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