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| <div class="refentry"> |
| <a name="gst-plugins-base-plugins-timeoverlay"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-timeoverlay.top_of_page"></a>timeoverlay</span></h2> |
| <p>timeoverlay</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.properties"></a><h2>Properties</h2> |
| <div class="informaltable"><table class="informaltable" border="0"> |
| <colgroup> |
| <col width="150px" class="properties_type"> |
| <col width="300px" class="properties_name"> |
| <col width="200px" class="properties_flags"> |
| </colgroup> |
| <tbody><tr> |
| <td class="property_type"><a class="link" href="gst-plugins-base-plugins-timeoverlay.html#GstTimeOverlayTimeLine" title="enum GstTimeOverlayTimeLine"><span class="type">GstTimeOverlayTimeLine</span></a></td> |
| <td class="property_name"><a class="link" href="gst-plugins-base-plugins-timeoverlay.html#GstTimeOverlay--time-mode" title="The “time-mode” property">time-mode</a></td> |
| <td class="property_flags">Read / Write</td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <a name="GstTimeOverlay"></a><div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.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">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-plugins-timeoverlay.html#GstTimeOverlay-struct" title="struct GstTimeOverlay">GstTimeOverlay</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-plugins-timeoverlay.html#GstTimeOverlayTimeLine" title="enum GstTimeOverlayTimeLine">GstTimeOverlayTimeLine</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.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> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a> |
| <span class="lineart">╰──</span> GstBaseTextOverlay |
| <span class="lineart">╰──</span> GstTimeOverlay |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.description"></a><h2>Description</h2> |
| <p>This element overlays the buffer time stamps of a video stream on |
| top of itself. You can position the text and configure the font details |
| using the properties of the <span class="type">GstBaseTextOverlay</span> class. By default, the |
| time stamp is displayed in the top left corner of the picture, with some |
| padding to the left and to the top.</p> |
| <div class="refsect2"> |
| <a name="id-1.2.50.7.3"></a><div class="informalexample"> |
| <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> |
| <tbody> |
| <tr> |
| <td class="listing_lines" align="right"><pre>1</pre></td> |
| <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> <span class="gtkdoc opt">-</span>v videotestsrc <span class="gtkdoc opt">!</span> timeoverlay <span class="gtkdoc opt">!</span> autovideosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| Display the time stamps in the top left corner of the video picture. |
| <div class="informalexample"> |
| <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> |
| <tbody> |
| <tr> |
| <td class="listing_lines" align="right"><pre>1</pre></td> |
| <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> <span class="gtkdoc opt">-</span>v videotestsrc <span class="gtkdoc opt">!</span> timeoverlay halignment<span class="gtkdoc opt">=</span>right valignment<span class="gtkdoc opt">=</span>bottom text<span class="gtkdoc opt">=</span><span class="string">"Stream time:"</span> shaded<span class="gtkdoc opt">-</span>background<span class="gtkdoc opt">=</span><span class="keyword">true</span> font<span class="gtkdoc opt">-</span>desc<span class="gtkdoc opt">=</span><span class="string">"Sans, 24"</span> <span class="gtkdoc opt">!</span> autovideosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| Another pipeline that displays the time stamps with some leading |
| text in the bottom right corner of the video picture, with the background |
| of the text being shaded in order to make it more legible on top of a |
| bright video background. |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.50.7.4.1"></a><h3>Element Information</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">plugin</span></p></td> |
| <td> |
| <a class="link" href="gst-plugins-base-plugins-plugin-pango.html#plugin-pango">pango</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Tim-Philipp Müller <tim@centricular.net></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Filter/Editor/Video</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.50.7.4.2"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>video_sink</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">direction</span></p></td> |
| <td>sink</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">presence</span></p></td> |
| <td>always</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>video/x-raw, format=(string){ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"></span></p></td> |
| <td> video/x-raw(ANY), format=(string){ I420, YV12, YUY2, UYVY, AYUV, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, NV12, NV21, NV16, NV61, NV24, GRAY8, GRAY16_BE, GRAY16_LE, v308, IYU2, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, I422_10LE, I422_10BE, Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32, A420_10LE, A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE, P010_10LE, P010_10BE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>src</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">direction</span></p></td> |
| <td>source</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">presence</span></p></td> |
| <td>always</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>video/x-raw, format=(string){ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"></span></p></td> |
| <td> video/x-raw(ANY), format=(string){ I420, YV12, YUY2, UYVY, AYUV, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, NV12, NV21, NV16, NV61, NV24, GRAY8, GRAY16_BE, GRAY16_LE, v308, IYU2, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, I422_10LE, I422_10BE, Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32, A420_10LE, A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE, P010_10LE, P010_10BE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstTimeOverlay-struct"></a><h3>struct GstTimeOverlay</h3> |
| <pre class="programlisting">struct GstTimeOverlay;</pre> |
| <p>Opaque timeoverlay data structure.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstTimeOverlayTimeLine"></a><h3>enum GstTimeOverlayTimeLine</h3> |
| <div class="refsect3"> |
| <a name="GstTimeOverlayTimeLine.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-TIME-OVERLAY-TIME-LINE-BUFFER-TIME:CAPS"></a>GST_TIME_OVERLAY_TIME_LINE_BUFFER_TIME</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-TIME-OVERLAY-TIME-LINE-STREAM-TIME:CAPS"></a>GST_TIME_OVERLAY_TIME_LINE_STREAM_TIME</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-TIME-OVERLAY-TIME-LINE-RUNNING-TIME:CAPS"></a>GST_TIME_OVERLAY_TIME_LINE_RUNNING_TIME</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-TIME-OVERLAY-TIME-LINE-TIME-CODE:CAPS"></a>GST_TIME_OVERLAY_TIME_LINE_TIME_CODE</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstTimeOverlay--time-mode"></a><h3>The <code class="literal">“time-mode”</code> property</h3> |
| <pre class="programlisting"> “time-mode” <a class="link" href="gst-plugins-base-plugins-timeoverlay.html#GstTimeOverlayTimeLine" title="enum GstTimeOverlayTimeLine"><span class="type">GstTimeOverlayTimeLine</span></a></pre> |
| <p>What time to show.</p> |
| <p>Flags: Read / Write</p> |
| <p>Default value: buffer-time</p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-plugins-timeoverlay.see-also"></a><h2>See Also</h2> |
| <p><span class="type">GstBaseTextOverlay</span>, <a class="link" href="gst-plugins-base-plugins-clockoverlay.html#GstClockOverlay"><span class="type">GstClockOverlay</span></a></p> |
| </div> |
| </div> |
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