~ubuntu-branches/ubuntu/trusty/gstreamer1.0/trusty-proposed

<a class="link" href="GstPad.html#gst-pad-get-parent" title="gst_pad_get_parent()"><code class="function">gst_pad_get_parent()</code></a> will retrieve the <a class="link" href="GstElement.html" title="GstElement">GstElement</a> that owns the pad.

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After two pads are retrieved from an element with <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html#gst-element-get-pad"><code class="function">gst_element_get_pad()</code></a>,

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After two pads are retrieved from an element with <code class="function">gst_element_get_pad()</code>,

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the pads can be linked with <a class="link" href="GstPad.html#gst-pad-link" title="gst_pad_link ()"><code class="function">gst_pad_link()</code></a>. (For quick links,

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you can also use <a class="link" href="GstElement.html#gst-element-link" title="gst_element_link ()"><code class="function">gst_element_link()</code></a>, which will make the obvious

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link for you if it's straightforward.). Pads can be unlinked again with

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This function is installed on a source pad with

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<a class="link" href="GstPad.html#gst-pad-set-getrange-function" title="gst_pad_set_getrange_function()"><code class="function">gst_pad_set_getrange_function()</code></a> and can only be called on source pads after

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they are successfully activated with <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-activate-pull"><code class="function">gst_pad_activate_pull()</code></a>.

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they are successfully activated with <a class="link" href="GstPad.html#gst-pad-activate-mode" title="gst_pad_activate_mode ()"><code class="function">gst_pad_activate_mode()</code></a> with the

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<a class="link" href="GstPad.html#GST-PAD-MODE-PULL:CAPS">GST_PAD_MODE_PULL</a>.

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<code>offset</code> and <code>length</code> are always given in byte units. <code>offset</code> must normally be a value

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<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean">gboolean</a> gst_pad_proxy_query_accept_caps (<code><a class="link" href="GstPad.html" title="GstPad">GstPad</a> *pad</code>,

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<code><a class="link" href="gstreamer-GstQuery.html#GstQuery" title="struct GstQuery">GstQuery</a> *query</code>);</pre>

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Calls <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-accept-caps"><code class="function">gst_pad_accept_caps()</code></a> for all internally linked pads of <code>pad</code> and

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Calls <code class="function">gst_pad_accept_caps()</code> for all internally linked pads of <code>pad</code> and

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returns the intersection of the results.

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<code><a href="http://library.gnome.org/devel/glib/unstable/glib-Datasets.html#GDestroyNotify">GDestroyNotify</a> notify</code>);</pre>

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Sets the given activate function for <code>pad</code>. The activate function will

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dispatch to <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-activate-push"><code class="function">gst_pad_activate_push()</code></a> or <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-activate-pull"><code class="function">gst_pad_activate_pull()</code></a> to perform

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the actual activation. Only makes sense to set on sink pads.

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dispatch to <a class="link" href="GstPad.html#gst-pad-activate-mode" title="gst_pad_activate_mode ()"><code class="function">gst_pad_activate_mode()</code></a> to perform the actual activation.

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Only makes sense to set on sink pads.

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Call this function if your sink pad can start a pull-based task.

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Gets the capabilities this pad can produce or consume.

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Note that this method doesn't necessarily return the caps set by

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<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-set-caps"><code class="function">gst_pad_set_caps()</code></a> - use <a class="link" href="GstPad.html#gst-pad-get-current-caps" title="gst_pad_get_current_caps ()"><code class="function">gst_pad_get_current_caps()</code></a> for that instead.

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<code class="function">gst_pad_set_caps()</code> - use <a class="link" href="GstPad.html#gst-pad-get-current-caps" title="gst_pad_get_current_caps ()"><code class="function">gst_pad_get_current_caps()</code></a> for that instead.

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gst_pad_query_caps returns all possible caps a pad can operate with, using

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the pad's CAPS query function, If the query fails, this function will return

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<code>filter</code>, if not <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, otherwise ANY.

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function to perform the actual activation.

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If not <code>active</code>, checks the pad's current mode and calls

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<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-activate-push"><code class="function">gst_pad_activate_push()</code></a> or <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-activate-pull"><code class="function">gst_pad_activate_pull()</code></a>, as appropriate, with a

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FALSE argument.

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If not <code>active</code>, calls <a class="link" href="GstPad.html#gst-pad-activate-mode" title="gst_pad_activate_mode ()"><code class="function">gst_pad_activate_mode()</code></a> with the pad's current mode

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and a FALSE argument.

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