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<div class="refentry">
<a name="DMAPDb"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="DMAPDb.top_of_page"></a>DMAPDb</span></h2>
<p>DMAPDb</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="DMAPDb.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">#define <a class="link" href="DMAPDb.html#DMAP-TYPE-DB:CAPS" title="DMAP_TYPE_DB">DMAP_TYPE_DB</a>
#define <a class="link" href="DMAPDb.html#DMAP-DB:CAPS" title="DMAP_DB()">DMAP_DB</a> (o)
#define <a class="link" href="DMAPDb.html#IS-DMAP-DB:CAPS" title="IS_DMAP_DB()">IS_DMAP_DB</a> (o)
#define <a class="link" href="DMAPDb.html#DMAP-DB-GET-INTERFACE:CAPS" title="DMAP_DB_GET_INTERFACE()">DMAP_DB_GET_INTERFACE</a> (o)
<a class="link" href="DMAPDb.html#DMAPDb-struct" title="DMAPDb">DMAPDb</a>;
struct <a class="link" href="DMAPDb.html#DMAPDbIface" title="struct DMAPDbIface">DMAPDbIface</a>;
const <span class="returnvalue">char</span> * (<a class="link" href="DMAPDb.html#RecordGetValueFunc" title="RecordGetValueFunc ()">*RecordGetValueFunc</a>) (<em class="parameter"><code><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="type">DMAPRecord</span></a> *record</code></em>);
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> <a class="link" href="DMAPDb.html#dmap-db-get-type" title="dmap_db_get_type ()">dmap_db_get_type</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> <a class="link" href="DMAPDb.html#dmap-db-add" title="dmap_db_add ()">dmap_db_add</a> (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="type">DMAPRecord</span></a> *record</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> <a class="link" href="DMAPDb.html#dmap-db-add-with-id" title="dmap_db_add_with_id ()">dmap_db_add_with_id</a> (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="type">DMAPRecord</span></a> *record</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> id</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> <a class="link" href="DMAPDb.html#dmap-db-add-path" title="dmap_db_add_path ()">dmap_db_add_path</a> (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *path</code></em>);
<a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="returnvalue">DMAPRecord</span></a> * <a class="link" href="DMAPDb.html#dmap-db-lookup-by-id" title="dmap_db_lookup_by_id ()">dmap_db_lookup_by_id</a> (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> id</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> <a class="link" href="DMAPDb.html#dmap-db-lookup-id-by-location" title="dmap_db_lookup_id_by_location ()">dmap_db_lookup_id_by_location</a> (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *location</code></em>);
<span class="returnvalue">void</span> <a class="link" href="DMAPDb.html#dmap-db-foreach" title="dmap_db_foreach ()">dmap_db_foreach</a> (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHFunc"><span class="type">GHFunc</span></a> func</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gulong"><span class="returnvalue">gulong</span></a> <a class="link" href="DMAPDb.html#dmap-db-count" title="dmap_db_count ()">dmap_db_count</a> (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHashTable"><span class="returnvalue">GHashTable</span></a> * <a class="link" href="DMAPDb.html#dmap-db-apply-filter" title="dmap_db_apply_filter ()">dmap_db_apply_filter</a> (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *filter_def</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="DMAPDb.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GInterface
+----DMAPDb
</pre>
</div>
<div class="refsect1">
<a name="DMAPDb.prerequisites"></a><h2>Prerequisites</h2>
<p>
DMAPDb requires
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>.</p>
</div>
<div class="refsect1">
<a name="DMAPDb.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1">
<a name="DMAPDb.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="DMAP-TYPE-DB:CAPS"></a><h3>DMAP_TYPE_DB</h3>
<pre class="programlisting">#define DMAP_TYPE_DB (dmap_db_get_type ())
</pre>
<p>
The type for <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="DMAP-DB:CAPS"></a><h3>DMAP_DB()</h3>
<pre class="programlisting">#define DMAP_DB(o)</pre>
<p>
Casts a <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> or derived pointer into a (DMAPDb *) pointer.
Depending on the current debugging level, this function may invoke
certain runtime checks to identify invalid casts.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>o</code></em> :</span></p></td>
<td>Object which is subject to casting.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="IS-DMAP-DB:CAPS"></a><h3>IS_DMAP_DB()</h3>
<pre class="programlisting">#define IS_DMAP_DB(o)</pre>
<p>
Checks whether a valid <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GTypeInstance"><span class="type">GTypeInstance</span></a> pointer is of type <a class="link" href="DMAPDb.html#DMAP-TYPE-DB:CAPS" title="DMAP_TYPE_DB"><code class="literal">DMAP_TYPE_DB</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>o</code></em> :</span></p></td>
<td>Instance to check for being a <a class="link" href="DMAPDb.html#DMAP-TYPE-DB:CAPS" title="DMAP_TYPE_DB"><code class="literal">DMAP_TYPE_DB</code></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="DMAP-DB-GET-INTERFACE:CAPS"></a><h3>DMAP_DB_GET_INTERFACE()</h3>
<pre class="programlisting">#define DMAP_DB_GET_INTERFACE(o)</pre>
<p>
Get the insterface structure associated to a <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> instance.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>o</code></em> :</span></p></td>
<td>a <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> instance.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>pointer to object interface structure.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="DMAPDb-struct"></a><h3>DMAPDb</h3>
<pre class="programlisting">typedef struct _DMAPDb DMAPDb;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="DMAPDbIface"></a><h3>struct DMAPDbIface</h3>
<pre class="programlisting">struct DMAPDbIface {
GTypeInterface parent;
guint (*add) (DMAPDb * db, DMAPRecord * record);
guint (*add_with_id) (DMAPDb * db, DMAPRecord * record, guint id);
guint (*add_path) (DMAPDb * db, const gchar * path);
DMAPRecord *(*lookup_by_id) (const DMAPDb * db, guint id);
guint (*lookup_id_by_location) (const DMAPDb * db,
const gchar * location);
void (*foreach) (const DMAPDb * db, GHFunc func, gpointer data);
gint64 (*count) (const DMAPDb * db);
};
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="RecordGetValueFunc"></a><h3>RecordGetValueFunc ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * (*RecordGetValueFunc) (<em class="parameter"><code><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="type">DMAPRecord</span></a> *record</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-get-type"></a><h3>dmap_db_get_type ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> dmap_db_get_type (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-add"></a><h3>dmap_db_add ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> dmap_db_add (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="type">DMAPRecord</span></a> *record</code></em>);</pre>
<p>
Add a record to the database and assign it the given ID.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>db</code></em> :</span></p></td>
<td>A media database.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>record</code></em> :</span></p></td>
<td>A database record.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The ID for the newly added record.
See also the notes for dmap_db_add regarding reference counting.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-add-with-id"></a><h3>dmap_db_add_with_id ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> dmap_db_add_with_id (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="type">DMAPRecord</span></a> *record</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> id</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-add-path"></a><h3>dmap_db_add_path ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> dmap_db_add_path (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *path</code></em>);</pre>
<p>
Create a record and add it to the database.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>db</code></em> :</span></p></td>
<td>A media database.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>A path to an appropriate media file.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The ID for the newly added record.
See also the notes for dmap_db_add regarding reference counting.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-lookup-by-id"></a><h3>dmap_db_lookup_by_id ()</h3>
<pre class="programlisting"><a class="link" href="DMAPRecord.html" title="DMAPRecord"><span class="returnvalue">DMAPRecord</span></a> * dmap_db_lookup_by_id (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> id</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>db</code></em> :</span></p></td>
<td>A media database.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>A record ID.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the database record corresponding to <em class="parameter"><code>id</code></em>. This record should
be unrefed by the calling code when no longer required.
If you are implementing a full database using this API, then you
probably want to increment the reference count before returning a record
pointer.
On the other hand, if you are implementing an adapter class
and the records are stored elsewhere, then you will probably return a
transient record. That is, once the user is done using it, the returned
record should be free'd because it is a adapter copy of the real record.
In this case, the reference count should not be incremented before
returning a record pointer.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-lookup-id-by-location"></a><h3>dmap_db_lookup_id_by_location ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> dmap_db_lookup_id_by_location (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *location</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>db</code></em> :</span></p></td>
<td>A media database.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>location</code></em> :</span></p></td>
<td>A record location.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the database id for the record corresponding to <em class="parameter"><code>path</code></em> or 0 if
such a record does not exist.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-foreach"></a><h3>dmap_db_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dmap_db_foreach (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHFunc"><span class="type">GHFunc</span></a> func</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Apply a function to each record in a media database.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>db</code></em> :</span></p></td>
<td>A media database.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>User data to pass to the function.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dmap-db-count"></a><h3>dmap_db_count ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gulong"><span class="returnvalue">gulong</span></a> dmap_db_count (<em class="parameter"><code>const <a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>db</code></em> :</span></p></td>
<td>A media database.</td>
</tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of records in the database.</td>
</tr>
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<div class="refsect2">
<a name="dmap-db-apply-filter"></a><h3>dmap_db_apply_filter ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHashTable"><span class="returnvalue">GHashTable</span></a> * dmap_db_apply_filter (<em class="parameter"><code><a class="link" href="DMAPDb.html" title="DMAPDb"><span class="type">DMAPDb</span></a> *db</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *filter_def</code></em>);</pre>
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