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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">Textoverlay works for me on windows. I do set some parameters<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:Consolas;color:black">
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">g_object_set(G_OBJECT(m_pFrameCountOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"valignment"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 3,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pFrameCountOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"xpos"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 0.5,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pFrameCountOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"ypos"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 0.7,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">I also use timeoverlay<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pTimeOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"font-desc"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"Arial</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pTimeOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"xpos"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 0.5,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pTimeOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"ypos"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 0.3,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">normal 18"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pTimeOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"halignment"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 1,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> g_object_set(G_OBJECT(m_pTimeOverlay),
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515">"valignment"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">, 3,
</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">static_cast</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">*>(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue">nullptr</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">));<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black">but I havn’t tried clockoverlay<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gstreamer-devel [mailto:gstreamer-devel-bounces@lists.freedesktop.org]
<b>Im Auftrag von </b>Yasushi SHOJI<br>
<b>Gesendet:</b> Montag, 26. Juni 2017 13:45<br>
<b>An:</b> Discussion of the development of and with GStreamer <gstreamer-devel@lists.freedesktop.org><br>
<b>Betreff:</b> Re: why timeoverlay doesn't work<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Mon, Jun 26, 2017 at 11:50 AM, <span lang="ZH-CN" style="font-family:SimSun">
方明</span> <<a href="mailto:77949218@qq.com">77949218@qq.com</a>> wrote:<br>
> I gst-launch a pipeline "...h264parse ! avdec_h264 ! videoconvert ! clockoverlay !dshowvideosink "<br>
><br>
> but I cannot see a correct displaying of clock on the video .I just see some little span frames on left top. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Not sure about dshowvideosink, but clockoverlay and textoverlay uses cairo to draw test.<o:p></o:p></p>
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<p class="MsoNormal">Cairo in turn uses pango to lay glyphs on buffers.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Are pango and cairo working on your system?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'm not sure how to test them on Windows.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">regards,<o:p></o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal"> yashi<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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