~ubuntu-branches/ubuntu/karmic/gst-plugins-base0.10/karmic-updates

 

                    <a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClock-struct" title="GstAudioClock">GstAudioClock</a>;

<a

>GstClockTime</a>        (<a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClockGetTimeFunc" title="GstAudioClockGetTimeFunc ()">*GstAudioClockGetTimeFunc</a>)         (<a

>GstClock</a> *clock,

                                                         <a

>gpointer</a> user_data);

<a

>GstClock</a>*           <a class="link" href="gst-plugins-base-libs-gstaudioclock.html#gst-audio-clock-new" title="gst_audio_clock_new ()">gst_audio_clock_new</a>                 (const <a

>gchar</a> *name,

                                                         <a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClockGetTimeFunc" title="GstAudioClockGetTimeFunc ()">GstAudioClockGetTimeFunc</a> func,

                                                         <a

>gpointer</a> user_data);

</pre>

</div>

<a name="gst-plugins-base-libs-gstaudioclock.object-hierarchy"></a><h2>Object Hierarchy</h2>

<pre class="synopsis">

  <a

>GObject</a>

   +----<a

>GstObject</a>

         +----<a

>GstClock</a>

               +----<a

>GstSystemClock</a>

                     +----GstAudioClock

</pre>

<a name="gst-plugins-base-libs-gstaudioclock.description"></a><h2>Description</h2>

<p>

<a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClock"><span class="type">GstAudioClock</span></a> makes it easy for elements to implement a <a

><span class="type">GstClock</span></a>, they

simply need to provide a function that returns the current clock time.

</p>

<div class="refsect2" lang="en">

<a name="GstAudioClockGetTimeFunc"></a><h3>GstAudioClockGetTimeFunc ()</h3>

<pre class="programlisting"><a

>GstClockTime</a>        (*GstAudioClockGetTimeFunc)         (<a

>GstClock</a> *clock,

                                                         <a

>gpointer</a> user_data);</pre>

<p>

This function will be called whenever the current clock time needs to be

calculated. If this function returns <a

><span class="type">GST_CLOCK_TIME_NONE</span></a>, the last reported

time will be returned by the clock.</p>

<p>

<tr>

<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>

<td> the current time or <a

><span class="type">GST_CLOCK_TIME_NONE</span></a> if the previous time should

be used.

</td>

<div class="refsect2" lang="en">

<a name="gst-audio-clock-new"></a><h3>gst_audio_clock_new ()</h3>

<pre class="programlisting"><a

>GstClock</a>*           gst_audio_clock_new                 (const <a

>gchar</a> *name,

                                                         <a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClockGetTimeFunc" title="GstAudioClockGetTimeFunc ()">GstAudioClockGetTimeFunc</a> func,

                                                         <a

>gpointer</a> user_data);</pre>

<p>

Create a new <a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClock"><span class="type">GstAudioClock</span></a> instance. Whenever the clock time should be

calculated it will call <em class="parameter"><code>func</code></em> with <em class="parameter"><code>user_data</code></em>. When <em class="parameter"><code>func</code></em> returns

<a

><span class="type">GST_CLOCK_TIME_NONE</span></a>, the clock will return the last reported time.</p>

<p>

</p>

<tr>

<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>

<td> a new <a class="link" href="gst-plugins-base-libs-gstaudioclock.html#GstAudioClock"><span class="type">GstAudioClock</span></a> casted to a <a

><span class="type">GstClock</span></a>.

</td>

</tr>

<div class="refsect1" lang="en">

<a name="gst-plugins-base-libs-gstaudioclock.see-also"></a><h2>See Also</h2>

#GstBaseAudioSink, <a

><span class="type">GstSystemClock</span></a>

</div>

</div>