1 | /* GStreamer |
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2 | * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
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3 | * 2000 Wim Taymans <wtay@chello.be> |
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4 | * |
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5 | * gsturi.h: Header for uri to element mappings |
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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 | |
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24 | #ifndef __GST_URI_H__ |
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25 | #define __GST_URI_H__ |
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26 | |
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27 | #include <glib.h> |
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28 | #include <gst/gstelement.h> |
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29 | #include <gst/gstpluginfeature.h> |
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30 | |
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31 | G_BEGIN_DECLS |
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32 | |
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33 | typedef enum { |
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34 | GST_URI_UNKNOWN, |
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35 | GST_URI_SINK, |
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36 | GST_URI_SRC |
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37 | } GstURIType; |
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38 | |
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39 | #define GST_URI_TYPE_IS_VALID(type) ((type) == GST_URI_SRC || (type) == GST_URI_SINK) |
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40 | |
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41 | /* uri handler functions */ |
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42 | #define GST_TYPE_URI_HANDLER (gst_uri_handler_get_type ()) |
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43 | #define GST_URI_HANDLER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_URI_HANDLER, GstURIHandler)) |
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44 | #define GST_IS_URI_HANDLER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_URI_HANDLER)) |
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45 | #define GST_URI_HANDLER_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_URI_HANDLER, GstURIHandlerInterface)) |
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46 | #define GST_URI_HANDLER_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST ((obj), GST_TYPE_URI_HANDLER, GstURIHandler)) |
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47 | |
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48 | typedef struct _GstURIHandler GstURIHandler; |
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49 | typedef struct _GstURIHandlerInterface GstURIHandlerInterface; |
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50 | |
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51 | struct _GstURIHandlerInterface { |
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52 | GTypeInterface parent; |
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53 | |
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54 | /* signals */ |
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55 | void (* new_uri) (GstURIHandler * handler, |
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56 | const gchar * uri); |
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57 | /* idea for the future ? |
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58 | gboolean (* require_password) (GstURIHandler * handler, |
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59 | gchar ** username, |
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60 | gchar ** password); |
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61 | */ |
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62 | |
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63 | /* vtable */ |
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64 | |
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65 | /* querying capabilities */ |
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66 | GstURIType (* get_type) (void); |
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67 | gchar ** (* get_protocols) (void); |
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68 | |
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69 | /* using the interface */ |
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70 | G_CONST_RETURN gchar *(* get_uri) (GstURIHandler * handler); |
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71 | gboolean (* set_uri) (GstURIHandler * handler, |
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72 | const gchar * uri); |
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73 | |
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74 | /* we might want to add functions here to query features, someone with gnome-vfs knowledge go ahead */ |
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75 | |
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76 | gpointer _gst_reserved[GST_PADDING]; |
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77 | }; |
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78 | |
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79 | /* general URI functions */ |
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80 | |
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81 | gboolean gst_uri_protocol_is_valid (const gchar * protocol); |
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82 | gboolean gst_uri_is_valid (const gchar * uri); |
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83 | gchar * gst_uri_get_protocol (const gchar * uri); |
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84 | gchar * gst_uri_get_location (const gchar * uri); |
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85 | gchar * gst_uri_construct (const gchar * protocol, |
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86 | const gchar * location); |
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87 | |
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88 | GstElement * gst_element_make_from_uri (const GstURIType type, |
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89 | const gchar * uri, |
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90 | const gchar * elementname); |
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91 | |
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92 | /* accessing the interface */ |
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93 | GType gst_uri_handler_get_type (void); |
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94 | |
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95 | guint gst_uri_handler_get_uri_type (GstURIHandler * handler); |
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96 | gchar ** gst_uri_handler_get_protocols (GstURIHandler * handler); |
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97 | G_CONST_RETURN gchar * gst_uri_handler_get_uri (GstURIHandler * handler); |
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98 | gboolean gst_uri_handler_set_uri (GstURIHandler * handler, |
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99 | const gchar * uri); |
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100 | void gst_uri_handler_new_uri (GstURIHandler * handler, |
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101 | const gchar * uri); |
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102 | |
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103 | G_END_DECLS |
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104 | |
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105 | #endif /* __GST_URI_H__ */ |
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