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<a href="#GstVaapiTexture.description" class="shortcut">Description</a>
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<a href="#GstVaapiTexture.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#GstVaapiTexture.properties" class="shortcut">Properties</a>
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<a name="GstVaapiTexture"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GstVaapiTexture.top_of_page"></a>GstVaapiTexture</span></h2>
<p>GstVaapiTexture — VA/GLX texture abstraction</p>
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<td valign="top" align="right"></td>
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<div class="refsynopsisdiv">
<a name="GstVaapiTexture.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct <a class="link" href="GstVaapiTexture.html#GstVaapiTexture-struct" title="struct GstVaapiTexture">GstVaapiTexture</a>;
struct <a class="link" href="GstVaapiTexture.html#GstVaapiTextureClass" title="struct GstVaapiTextureClass">GstVaapiTextureClass</a>;
<a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="returnvalue">GstVaapiTexture</span></a> * <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-new" title="gst_vaapi_texture_new ()">gst_vaapi_texture_new</a> (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> target</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> format</code></em>,
<em class="parameter"><code><span class="type">guint</span> width</code></em>,
<em class="parameter"><code><span class="type">guint</span> height</code></em>);
<a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="returnvalue">GstVaapiTexture</span></a> * <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-new-with-texture" title="gst_vaapi_texture_new_with_texture ()">gst_vaapi_texture_new_with_texture</a> (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><span class="type">GLuint</span> texture</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> target</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> format</code></em>);
<span class="returnvalue">GLuint</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-get-id" title="gst_vaapi_texture_get_id ()">gst_vaapi_texture_get_id</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);
<span class="returnvalue">GLenum</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-get-target" title="gst_vaapi_texture_get_target ()">gst_vaapi_texture_get_target</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);
<span class="returnvalue">GLenum</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-get-format" title="gst_vaapi_texture_get_format ()">gst_vaapi_texture_get_format</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-get-width" title="gst_vaapi_texture_get_width ()">gst_vaapi_texture_get_width</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-get-height" title="gst_vaapi_texture_get_height ()">gst_vaapi_texture_get_height</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-get-size" title="gst_vaapi_texture_get_size ()">gst_vaapi_texture_get_size</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pwidth</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pheight</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="GstVaapiTexture.html#gst-vaapi-texture-put-surface" title="gst_vaapi_texture_put_surface ()">gst_vaapi_texture_put_surface</a> (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>,
<em class="parameter"><code><a class="link" href="libs-gstvaapisurface.html#GstVaapiSurface"><span class="type">GstVaapiSurface</span></a> *surface</code></em>,
<em class="parameter"><code><span class="type">guint</span> flags</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiTexture.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----<a class="link" href="GstVaapiObject.html" title="GstVaapiObject">GstVaapiObject</a>
+----GstVaapiTexture
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiTexture.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GstVaapiTexture.html#GstVaapiTexture--format" title='The "format" property'>format</a>" <span class="type">guint</span> : Read / Write / Construct Only
"<a class="link" href="GstVaapiTexture.html#GstVaapiTexture--height" title='The "height" property'>height</a>" <span class="type">guint</span> : Read / Write / Construct Only
"<a class="link" href="GstVaapiTexture.html#GstVaapiTexture--target" title='The "target" property'>target</a>" <span class="type">guint</span> : Read / Write / Construct Only
"<a class="link" href="GstVaapiTexture.html#GstVaapiTexture--width" title='The "width" property'>width</a>" <span class="type">guint</span> : Read / Write / Construct Only
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiTexture.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="GstVaapiTexture.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstVaapiTexture-struct"></a><h3>struct GstVaapiTexture</h3>
<pre class="programlisting">struct GstVaapiTexture;</pre>
<p>
Base class for system-dependent textures.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiTextureClass"></a><h3>struct GstVaapiTextureClass</h3>
<pre class="programlisting">struct GstVaapiTextureClass {
};
</pre>
<p>
Base class for system-dependent textures.
</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-new"></a><h3>gst_vaapi_texture_new ()</h3>
<pre class="programlisting"><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="returnvalue">GstVaapiTexture</span></a> * gst_vaapi_texture_new (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> target</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> format</code></em>,
<em class="parameter"><code><span class="type">guint</span> width</code></em>,
<em class="parameter"><code><span class="type">guint</span> height</code></em>);</pre>
<p>
Creates a texture with the specified dimensions, <em class="parameter"><code>target</code></em> and
<em class="parameter"><code>format</code></em>. Note that only GL_TEXTURE_2D <em class="parameter"><code>target</code></em> and GL_RGBA or
GL_BGRA formats are supported at this time.
</p>
<p>
The application shall maintain the live GL context itself. That is,
<a class="link" href="GstVaapiWindowGLX.html#gst-vaapi-window-glx-make-current" title="gst_vaapi_window_glx_make_current ()"><code class="function">gst_vaapi_window_glx_make_current()</code></a> must be called beforehand, or
any other function like <code class="function">glXMakeCurrent()</code> if the context is managed
outside of this library.
</p>
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<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>target</code></em> :</span></p></td>
<td>the target to which the texture is bound</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the format of the pixel data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the requested width, in pixels</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the requested height, in pixels</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the newly created <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-new-with-texture"></a><h3>gst_vaapi_texture_new_with_texture ()</h3>
<pre class="programlisting"><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="returnvalue">GstVaapiTexture</span></a> * gst_vaapi_texture_new_with_texture (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><span class="type">GLuint</span> texture</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> target</code></em>,
<em class="parameter"><code><span class="type">GLenum</span> format</code></em>);</pre>
<p>
Creates a texture from an existing GL texture, with the specified
<em class="parameter"><code>target</code></em> and <em class="parameter"><code>format</code></em>. Note that only GL_TEXTURE_2D <em class="parameter"><code>target</code></em> and
GL_RGBA or GL_BGRA formats are supported at this time. The
dimensions will be retrieved from the <em class="parameter"><code>texture</code></em>.
</p>
<p>
The application shall maintain the live GL context itself. That is,
<a class="link" href="GstVaapiWindowGLX.html#gst-vaapi-window-glx-make-current" title="gst_vaapi_window_glx_make_current ()"><code class="function">gst_vaapi_window_glx_make_current()</code></a> must be called beforehand, or
any other function like <code class="function">glXMakeCurrent()</code> if the context is managed
outside of this library.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>the foreign GL texture name to use</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>target</code></em> :</span></p></td>
<td>the target to which the texture is bound</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the format of the pixel data</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the newly created <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-get-id"></a><h3>gst_vaapi_texture_get_id ()</h3>
<pre class="programlisting"><span class="returnvalue">GLuint</span> gst_vaapi_texture_get_id (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);</pre>
<p>
Returns the underlying texture id of the <em class="parameter"><code>texture</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the underlying texture id of the <em class="parameter"><code>texture</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-get-target"></a><h3>gst_vaapi_texture_get_target ()</h3>
<pre class="programlisting"><span class="returnvalue">GLenum</span> gst_vaapi_texture_get_target (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);</pre>
<p>
Returns the <em class="parameter"><code>texture</code></em> target type
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the texture target</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-get-format"></a><h3>gst_vaapi_texture_get_format ()</h3>
<pre class="programlisting"><span class="returnvalue">GLenum</span> gst_vaapi_texture_get_format (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);</pre>
<p>
Returns the <em class="parameter"><code>texture</code></em> format
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the texture format</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-get-width"></a><h3>gst_vaapi_texture_get_width ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_texture_get_width (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);</pre>
<p>
Returns the <em class="parameter"><code>texture</code></em> width.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the texture width, in pixels</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-get-height"></a><h3>gst_vaapi_texture_get_height ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_texture_get_height (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>);</pre>
<p>
Returns the <em class="parameter"><code>texture</code></em> height.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the texture height, in pixels.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-get-size"></a><h3>gst_vaapi_texture_get_size ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gst_vaapi_texture_get_size (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pwidth</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pheight</code></em>);</pre>
<p>
Retrieves the dimensions of a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pwidth</code></em> :</span></p></td>
<td>return location for the width, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pheight</code></em> :</span></p></td>
<td>return location for the height, or <code class="literal">NULL</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-texture-put-surface"></a><h3>gst_vaapi_texture_put_surface ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_texture_put_surface (<em class="parameter"><code><a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a> *texture</code></em>,
<em class="parameter"><code><a class="link" href="libs-gstvaapisurface.html#GstVaapiSurface"><span class="type">GstVaapiSurface</span></a> *surface</code></em>,
<em class="parameter"><code><span class="type">guint</span> flags</code></em>);</pre>
<p>
Renders the <em class="parameter"><code>surface</code></em> into the àtexture. The <em class="parameter"><code>flags</code></em> specify how
de-interlacing (if needed), color space conversion, scaling and
other postprocessing transformations are performed.
</p>
<div class="variablelist"><table border="0">
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<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>texture</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiTexture.html" title="GstVaapiTexture"><span class="type">GstVaapiTexture</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>surface</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapisurface.html#GstVaapiSurface"><span class="type">GstVaapiSurface</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>postprocessing flags. See <span class="type">GstVaapiTextureRenderFlags</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GstVaapiTexture.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVaapiTexture--format"></a><h3>The <code class="literal">"format"</code> property</h3>
<pre class="programlisting"> "format" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>The texture format.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiTexture--height"></a><h3>The <code class="literal">"height"</code> property</h3>
<pre class="programlisting"> "height" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>The texture height.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiTexture--target"></a><h3>The <code class="literal">"target"</code> property</h3>
<pre class="programlisting"> "target" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>The texture target.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiTexture--width"></a><h3>The <code class="literal">"width"</code> property</h3>
<pre class="programlisting"> "width" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>The texture width.</p>
<p>Default value: 0</p>
</div>
</div>
</div>
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