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<a href="#gst-plugins-base-libs-gstvideooverlaycomposition.description" class="shortcut">Description</a></span>
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<a name="gst-plugins-base-libs-gstvideooverlaycomposition"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstvideooverlaycomposition.top_of_page"></a>gstvideooverlaycomposition</span></h2>
<p>gstvideooverlaycomposition</p>
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<td class="gallery_image" valign="top" align="right"></td>
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<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideooverlaycomposition.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-new" title="gst_video_overlay_composition_new ()">gst_video_overlay_composition_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-ref" title="gst_video_overlay_composition_ref ()">gst_video_overlay_composition_ref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-unref" title="gst_video_overlay_composition_unref ()">gst_video_overlay_composition_unref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-add-rectangle" title="gst_video_overlay_composition_add_rectangle ()">gst_video_overlay_composition_add_rectangle</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-n-rectangles" title="gst_video_overlay_composition_n_rectangles ()">gst_video_overlay_composition_n_rectangles</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-get-rectangle" title="gst_video_overlay_composition_get_rectangle ()">gst_video_overlay_composition_get_rectangle</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-get-seqnum" title="gst_video_overlay_composition_get_seqnum ()">gst_video_overlay_composition_get_seqnum</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-copy" title="gst_video_overlay_composition_copy ()">gst_video_overlay_composition_copy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-make-writable" title="gst_video_overlay_composition_make_writable ()">gst_video_overlay_composition_make_writable</a> <span class="c_punctuation">()</span>
</td>
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<td class="function_type">
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-blend" title="gst_video_overlay_composition_blend ()">gst_video_overlay_composition_blend</a> <span class="c_punctuation">()</span>
</td>
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<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0gstreamer-GstMeta.html#GstMetaInfo"><span class="returnvalue">GstMetaInfo</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-composition-meta-get-info" title="gst_video_overlay_composition_meta_get_info ()">gst_video_overlay_composition_meta_get_info</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayCompositionMeta" title="struct GstVideoOverlayCompositionMeta"><span class="returnvalue">GstVideoOverlayCompositionMeta</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-buffer-add-video-overlay-composition-meta" title="gst_buffer_add_video_overlay_composition_meta ()">gst_buffer_add_video_overlay_composition_meta</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-buffer-get-video-overlay-composition-meta" title="gst_buffer_get_video_overlay_composition_meta()">gst_buffer_get_video_overlay_composition_meta</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-buffer-remove-video-overlay-composition-meta" title="gst_buffer_remove_video_overlay_composition_meta()">gst_buffer_remove_video_overlay_composition_meta</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-new-raw" title="gst_video_overlay_rectangle_new_raw ()">gst_video_overlay_rectangle_new_raw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-ref" title="gst_video_overlay_rectangle_ref ()">gst_video_overlay_rectangle_ref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-unref" title="gst_video_overlay_rectangle_unref ()">gst_video_overlay_rectangle_unref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-pixels-raw" title="gst_video_overlay_rectangle_get_pixels_raw ()">gst_video_overlay_rectangle_get_pixels_raw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-pixels-argb" title="gst_video_overlay_rectangle_get_pixels_argb ()">gst_video_overlay_rectangle_get_pixels_argb</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-pixels-ayuv" title="gst_video_overlay_rectangle_get_pixels_ayuv ()">gst_video_overlay_rectangle_get_pixels_ayuv</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-pixels-unscaled-raw" title="gst_video_overlay_rectangle_get_pixels_unscaled_raw ()">gst_video_overlay_rectangle_get_pixels_unscaled_raw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-pixels-unscaled-argb" title="gst_video_overlay_rectangle_get_pixels_unscaled_argb ()">gst_video_overlay_rectangle_get_pixels_unscaled_argb</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-pixels-unscaled-ayuv" title="gst_video_overlay_rectangle_get_pixels_unscaled_ayuv ()">gst_video_overlay_rectangle_get_pixels_unscaled_ayuv</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-render-rectangle" title="gst_video_overlay_rectangle_get_render_rectangle ()">gst_video_overlay_rectangle_get_render_rectangle</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-seqnum" title="gst_video_overlay_rectangle_get_seqnum ()">gst_video_overlay_rectangle_get_seqnum</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-set-render-rectangle" title="gst_video_overlay_rectangle_set_render_rectangle ()">gst_video_overlay_rectangle_set_render_rectangle</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-copy" title="gst_video_overlay_rectangle_copy ()">gst_video_overlay_rectangle_copy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="returnvalue">GstVideoOverlayFormatFlags</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-flags" title="gst_video_overlay_rectangle_get_flags ()">gst_video_overlay_rectangle_get_flags</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-get-global-alpha" title="gst_video_overlay_rectangle_get_global_alpha ()">gst_video_overlay_rectangle_get_global_alpha</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#gst-video-overlay-rectangle-set-global-alpha" title="gst_video_overlay_rectangle_set_global_alpha ()">gst_video_overlay_rectangle_set_global_alpha</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideooverlaycomposition.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition">GstVideoOverlayComposition</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GST-VIDEO-OVERLAY-COMPOSITION-BLEND-FORMATS:CAPS" title="GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS">GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayCompositionMeta" title="struct GstVideoOverlayCompositionMeta">GstVideoOverlayCompositionMeta</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags">GstVideoOverlayFormatFlags</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle">GstVideoOverlayRectangle</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideooverlaycomposition.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/video/video-overlay-composition.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideooverlaycomposition.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideooverlaycomposition.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-video-overlay-composition-new"></a><h3>gst_video_overlay_composition_new ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
gst_video_overlay_composition_new (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-ref"></a><h3>gst_video_overlay_composition_ref ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
gst_video_overlay_composition_ref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-unref"></a><h3>gst_video_overlay_composition_unref ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_video_overlay_composition_unref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-add-rectangle"></a><h3>gst_video_overlay_composition_add_rectangle ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_video_overlay_composition_add_rectangle
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-n-rectangles"></a><h3>gst_video_overlay_composition_n_rectangles ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
gst_video_overlay_composition_n_rectangles
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-get-rectangle"></a><h3>gst_video_overlay_composition_get_rectangle ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
gst_video_overlay_composition_get_rectangle
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-get-seqnum"></a><h3>gst_video_overlay_composition_get_seqnum ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
gst_video_overlay_composition_get_seqnum
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-copy"></a><h3>gst_video_overlay_composition_copy ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
gst_video_overlay_composition_copy (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-make-writable"></a><h3>gst_video_overlay_composition_make_writable ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="returnvalue">GstVideoOverlayComposition</span></a> *
gst_video_overlay_composition_make_writable
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-blend"></a><h3>gst_video_overlay_composition_blend ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_video_overlay_composition_blend (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFrame" title="struct GstVideoFrame"><span class="type">GstVideoFrame</span></a> *video_buf</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-composition-meta-get-info"></a><h3>gst_video_overlay_composition_meta_get_info ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0gstreamer-GstMeta.html#GstMetaInfo"><span class="returnvalue">GstMetaInfo</span></a> *
gst_video_overlay_composition_meta_get_info
(<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-buffer-add-video-overlay-composition-meta"></a><h3>gst_buffer_add_video_overlay_composition_meta ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayCompositionMeta" title="struct GstVideoOverlayCompositionMeta"><span class="returnvalue">GstVideoOverlayCompositionMeta</span></a> *
gst_buffer_add_video_overlay_composition_meta
(<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *buf</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayComposition" title="GstVideoOverlayComposition"><span class="type">GstVideoOverlayComposition</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-buffer-get-video-overlay-composition-meta"></a><h3>gst_buffer_get_video_overlay_composition_meta()</h3>
<pre class="programlisting">#define gst_buffer_get_video_overlay_composition_meta(b)</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-buffer-remove-video-overlay-composition-meta"></a><h3>gst_buffer_remove_video_overlay_composition_meta()</h3>
<pre class="programlisting">#define gst_buffer_remove_video_overlay_composition_meta(b,m)</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-new-raw"></a><h3>gst_video_overlay_rectangle_new_raw ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
gst_video_overlay_rectangle_new_raw (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *pixels</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> render_x</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> render_y</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> render_width</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> render_height</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-ref"></a><h3>gst_video_overlay_rectangle_ref ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
gst_video_overlay_rectangle_ref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-unref"></a><h3>gst_video_overlay_rectangle_unref ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_video_overlay_rectangle_unref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *comp</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-pixels-raw"></a><h3>gst_video_overlay_rectangle_get_pixels_raw ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_video_overlay_rectangle_get_pixels_raw
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-pixels-argb"></a><h3>gst_video_overlay_rectangle_get_pixels_argb ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_video_overlay_rectangle_get_pixels_argb
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-pixels-ayuv"></a><h3>gst_video_overlay_rectangle_get_pixels_ayuv ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_video_overlay_rectangle_get_pixels_ayuv
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-pixels-unscaled-raw"></a><h3>gst_video_overlay_rectangle_get_pixels_unscaled_raw ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_video_overlay_rectangle_get_pixels_unscaled_raw
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-pixels-unscaled-argb"></a><h3>gst_video_overlay_rectangle_get_pixels_unscaled_argb ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_video_overlay_rectangle_get_pixels_unscaled_argb
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-pixels-unscaled-ayuv"></a><h3>gst_video_overlay_rectangle_get_pixels_unscaled_ayuv ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_video_overlay_rectangle_get_pixels_unscaled_ayuv
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="type">GstVideoOverlayFormatFlags</span></a> flags</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-render-rectangle"></a><h3>gst_video_overlay_rectangle_get_render_rectangle ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_video_overlay_rectangle_get_render_rectangle
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> *render_x</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> *render_y</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> *render_width</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> *render_height</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-seqnum"></a><h3>gst_video_overlay_rectangle_get_seqnum ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
gst_video_overlay_rectangle_get_seqnum
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-set-render-rectangle"></a><h3>gst_video_overlay_rectangle_set_render_rectangle ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_video_overlay_rectangle_set_render_rectangle
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> render_x</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> render_y</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> render_width</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> render_height</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-copy"></a><h3>gst_video_overlay_rectangle_copy ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="returnvalue">GstVideoOverlayRectangle</span></a> *
gst_video_overlay_rectangle_copy (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-flags"></a><h3>gst_video_overlay_rectangle_get_flags ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayFormatFlags" title="enum GstVideoOverlayFormatFlags"><span class="returnvalue">GstVideoOverlayFormatFlags</span></a>
gst_video_overlay_rectangle_get_flags (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-get-global-alpha"></a><h3>gst_video_overlay_rectangle_get_global_alpha ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a>
gst_video_overlay_rectangle_get_global_alpha
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-overlay-rectangle-set-global-alpha"></a><h3>gst_video_overlay_rectangle_set_global_alpha ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_video_overlay_rectangle_set_global_alpha
(<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideooverlaycomposition.html#GstVideoOverlayRectangle" title="GstVideoOverlayRectangle"><span class="type">GstVideoOverlayRectangle</span></a> *rectangle</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> global_alpha</code></em>);</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideooverlaycomposition.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstVideoOverlayComposition"></a><h3>GstVideoOverlayComposition</h3>
<pre class="programlisting">typedef struct _GstVideoOverlayComposition GstVideoOverlayComposition;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-OVERLAY-COMPOSITION-BLEND-FORMATS:CAPS"></a><h3>GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS</h3>
<pre class="programlisting">#define GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoOverlayCompositionMeta"></a><h3>struct GstVideoOverlayCompositionMeta</h3>
<pre class="programlisting">struct GstVideoOverlayCompositionMeta {
GstMeta meta;
GstVideoOverlayComposition *overlay;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoOverlayFormatFlags"></a><h3>enum GstVideoOverlayFormatFlags</h3>
<div class="refsect3">
<a name="GstVideoOverlayFormatFlags.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GST-VIDEO-OVERLAY-FORMAT-FLAG-NONE:CAPS"></a>GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-VIDEO-OVERLAY-FORMAT-FLAG-PREMULTIPLIED-ALPHA:CAPS"></a>GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GST-VIDEO-OVERLAY-FORMAT-FLAG-GLOBAL-ALPHA:CAPS"></a>GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoOverlayRectangle"></a><h3>GstVideoOverlayRectangle</h3>
<pre class="programlisting">typedef struct _GstVideoOverlayRectangle GstVideoOverlayRectangle;</pre>
</div>
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