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<title>GstGLUpload: GStreamer Bad Plugins 1.0 Library Reference Manual</title>
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<a href="#GstGLUpload.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<a name="GstGLUpload"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GstGLUpload.top_of_page"></a>GstGLUpload</span></h2>
<p>GstGLUpload — an object that uploads to GL textures</p>
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<td class="gallery_image" valign="top" align="right"></td>
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<div class="refsect1">
<a name="GstGLUpload.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="GstGLUpload.html" title="GstGLUpload"><span class="returnvalue">GstGLUpload</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstGLUpload.html#gst-gl-upload-new" title="gst_gl_upload_new ()">gst_gl_upload_new</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="GstGLUpload.html#gst-gl-upload-set-context" title="gst_gl_upload_set_context ()">gst_gl_upload_set_context</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="GstGLUpload.html#gst-gl-upload-get-caps" title="gst_gl_upload_get_caps ()">gst_gl_upload_get_caps</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="GstGLUpload.html#gst-gl-upload-set-caps" title="gst_gl_upload_set_caps ()">gst_gl_upload_set_caps</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="GstGLUpload.html#gst-gl-upload-propose-allocation" title="gst_gl_upload_propose_allocation ()">gst_gl_upload_propose_allocation</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstGLUpload.html#gst-gl-upload-transform-caps" title="gst_gl_upload_transform_caps ()">gst_gl_upload_transform_caps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GstGLUploadReturn</span>
</td>
<td class="function_name">
<a class="link" href="GstGLUpload.html#gst-gl-upload-perform-with-buffer" title="gst_gl_upload_perform_with_buffer ()">gst_gl_upload_perform_with_buffer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> *
</td>
<td class="function_name">
<a class="link" href="GstGLUpload.html#gst-gl-upload-get-input-template-caps" title="gst_gl_upload_get_input_template_caps ()">gst_gl_upload_get_input_template_caps</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstGLUpload.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="GstGLUpload.html#GstGLUpload-struct" title="GstGLUpload">GstGLUpload</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstGLUpload.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> GstGLUpload
</pre>
</div>
<div class="refsect1">
<a name="GstGLUpload.description"></a><h2>Description</h2>
<p><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> is an object that uploads data from system memory into GL textures.</p>
<p>A <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> can be created with <a class="link" href="GstGLUpload.html#gst-gl-upload-new" title="gst_gl_upload_new ()"><code class="function">gst_gl_upload_new()</code></a></p>
</div>
<div class="refsect1">
<a name="GstGLUpload.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-gl-upload-new"></a><h3>gst_gl_upload_new ()</h3>
<pre class="programlisting"><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="returnvalue">GstGLUpload</span></a> *
gst_gl_upload_new (<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>);</pre>
<div class="refsect3">
<a name="gst-gl-upload-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>context</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-gl-upload-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> object</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-set-context"></a><h3>gst_gl_upload_set_context ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_gl_upload_set_context (<em class="parameter"><code><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> *upload</code></em>,
<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-get-caps"></a><h3>gst_gl_upload_get_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_gl_upload_get_caps (<em class="parameter"><code><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> *upload</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> **in_caps</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> **out_caps</code></em>);</pre>
<div class="refsect3">
<a name="gst-gl-upload-get-caps.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>upload</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>in_caps</p></td>
<td class="parameter_description"><p> the input <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>out_caps</p></td>
<td class="parameter_description"><p> the output <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-set-caps"></a><h3>gst_gl_upload_set_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_gl_upload_set_caps (<em class="parameter"><code><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> *upload</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *in_caps</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *out_caps</code></em>);</pre>
<p>Initializes <em class="parameter"><code>upload</code></em>
with the information required for upload.</p>
<div class="refsect3">
<a name="gst-gl-upload-set-caps.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>upload</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>in_caps</p></td>
<td class="parameter_description"><p>input <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out_caps</p></td>
<td class="parameter_description"><p>output <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-gl-upload-set-caps.returns"></a><h4>Returns</h4>
<p> whether <em class="parameter"><code>in_caps</code></em>
and <em class="parameter"><code>out_caps</code></em>
could be set on <em class="parameter"><code>upload</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-propose-allocation"></a><h3>gst_gl_upload_propose_allocation ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gst_gl_upload_propose_allocation (<em class="parameter"><code><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> *upload</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstQuery.html#GstQuery-struct"><span class="type">GstQuery</span></a> *decide_query</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstQuery.html#GstQuery-struct"><span class="type">GstQuery</span></a> *query</code></em>);</pre>
<p>Adds the required allocation parameters to support uploading.</p>
<div class="refsect3">
<a name="gst-gl-upload-propose-allocation.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>upload</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>decide_query</p></td>
<td class="parameter_description"><p> a <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstQuery.html#GstQuery-struct"><span class="type">GstQuery</span></a> from a decide allocation. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>query</p></td>
<td class="parameter_description"><p>the proposed allocation query</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-transform-caps"></a><h3>gst_gl_upload_transform_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> *
gst_gl_upload_transform_caps (<em class="parameter"><code><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> *upload</code></em>,
<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstPad.html#GstPadDirection"><span class="type">GstPadDirection</span></a> direction</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *caps</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *filter</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-perform-with-buffer"></a><h3>gst_gl_upload_perform_with_buffer ()</h3>
<pre class="programlisting"><span class="returnvalue">GstGLUploadReturn</span>
gst_gl_upload_perform_with_buffer (<em class="parameter"><code><a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> *upload</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> **outbuf_ptr</code></em>);</pre>
<p>Uploads <em class="parameter"><code>buffer</code></em>
using the transformation specified by
<a class="link" href="GstGLUpload.html#gst-gl-upload-set-caps" title="gst_gl_upload_set_caps ()"><code class="function">gst_gl_upload_set_caps()</code></a> creating a new <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> in <em class="parameter"><code>outbuf_ptr</code></em>
.</p>
<div class="refsect3">
<a name="gst-gl-upload-perform-with-buffer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>upload</p></td>
<td class="parameter_description"><p>a <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>buffer</p></td>
<td class="parameter_description"><p>input <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>outbuf_ptr</p></td>
<td class="parameter_description"><p>resulting <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-gl-upload-perform-with-buffer.returns"></a><h4>Returns</h4>
<p> whether the upload was successful</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-gl-upload-get-input-template-caps"></a><h3>gst_gl_upload_get_input_template_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> *
gst_gl_upload_get_input_template_caps (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
</div>
</div>
<div class="refsect1">
<a name="GstGLUpload.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLUpload-struct"></a><h3>GstGLUpload</h3>
<pre class="programlisting">typedef struct _GstGLUpload GstGLUpload;</pre>
<p>Opaque <a class="link" href="GstGLUpload.html" title="GstGLUpload"><span class="type">GstGLUpload</span></a> object</p>
</div>
</div>
<div class="refsect1">
<a name="GstGLUpload.see-also"></a><h2>See Also</h2>
<p><span class="type">GstGLDownload</span>, <a class="link" href="gst-plugins-bad-libs-GstGLMemory.html#GstGLMemory" title="GstGLMemory"><span class="type">GstGLMemory</span></a></p>
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