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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I can confirm the problem: we are using GStreamer 0.10.36 on Windows, with playbin2 / ffmpeg: when reversing playback of a matroska file with mpeg4 video, it works fine, but it doesn’t if the video is h264 encoded (just a still frame is displayed).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Daniela<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gstreamer-devel-bounces+daniela.muzzu=selexelsag.com@lists.freedesktop.org [mailto:gstreamer-devel-bounces+daniela.muzzu=selexelsag.com@lists.freedesktop.org] <b>On Behalf Of </b>ligen<br><b>Sent:</b> Monday, September 10, 2012 5:08 PM<br><b>To:</b> gstreamer-devel@lists.freedesktop.org<br><b>Subject:</b> Re: GStreamer cannot reverse playback of H264 encoding the MP4video<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span lang=EN><img id="_x0000_i1025" src="http://rescdn.qqmail.com/zh_CN/images/mo/DEFAULT2/0.gif"><img id="_x0000_i1026" src="http://rescdn.qqmail.com/zh_CN/images/mo/DEFAULT2/79.gif"></span><o:p></o:p></p></div><div><p class=MsoNormal><span class=shorttext><span lang=EN>Hi</span></span><o:p></o:p></p></div><div><p class=MsoNormal><span class=shorttext><span lang=EN>I </span></span><span class=hps><span lang=EN>use </span></span><span class=shorttext><span lang=EN> </span></span><span class=hps><span lang=EN>ffdec_h264</span></span><span class=shorttext><span lang=EN> </span></span><span class=hps><span lang=EN>decoder</span></span><span class=shorttext><span lang=EN>, </span></span><span class=hps><span lang=EN>on</span></span><span class=shorttext><span lang=EN> </span></span><span class=hps><span lang=EN>the</span></span><span class=shorttext><span lang=EN> </span></span><span class=hps><span lang=EN>PC,</span></span><span class=shorttext><span lang=EN> ubuntu linux</span></span><o:p></o:p></p></div><div><p class=MsoNormal><span class=shorttext><span lang=EN>Thank you for your </span></span><span class=hps><span lang=EN>reply</span></span><span class=shorttext><span lang=EN> </span></span><span class=hps><span lang=EN>to</span></span><span class=shorttext><span lang=EN> </span></span><span class=hps><span lang=EN>my question</span></span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Arial Narrow","sans-serif"'>------------------ Original ------------------<o:p></o:p></span></p></div><div><div><p class=MsoNormal style='background:#EFEFEF'><b><span style='font-size:7.0pt'>From:</span></b><span style='font-size:7.0pt'> "Tim-Philipp Müller-2 [via GStreamer-devel]"; <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:#EFEFEF'><b><span style='font-size:7.0pt'>Date:</span></b><span style='font-size:7.0pt'> 2012</span><span style='font-size:7.0pt;font-family:"MS Gothic"'>年</span><span style='font-size:7.0pt'>9</span><span style='font-size:7.0pt;font-family:"MS Gothic"'>月</span><span style='font-size:7.0pt'>10</span><span style='font-size:7.0pt;font-family:"MS Gothic"'>日</span><span style='font-size:7.0pt'>(</span><span style='font-size:7.0pt;font-family:"MS Gothic"'>星期一</span><span style='font-size:7.0pt'>) </span><span style='font-size:7.0pt;font-family:"MS Gothic"'>晚上</span><span style='font-size:7.0pt'>7:27<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:#EFEFEF'><b><span style='font-size:7.0pt'>To:</span></b><span style='font-size:7.0pt'> "ligen"<<a href="/user/SendEmail.jtp?type=node&node=4656238&i=0" target="_top">[hidden email]</a>>; <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:#EFEFEF'><b><span style='font-size:7.0pt'>Subject:</span></b><span style='font-size:7.0pt'> Re: GStreamer cannot reverse playback of H264 encoding the MP4video<o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>On Mon, 2012-09-10 at 04:00 -0700, ligen wrote: <br><br>Hi, <br><br>> gstreamer vesion: <br>> <br>> pkg-config --modversion gstreamer-0.10 <br>> <br>> 0.10.36 <br>> <br>> I use decodebin to play H264 encoded MP4 video <br><br>Yes, but what decoder is used? ffdec_h264? a proprietary decoder? a <br>hardware-accelerated decoder on an embedded system? <br><br>Cheers <br> -Tim <br><br>_______________________________________________ <br>gstreamer-devel mailing list <br><a href="/user/SendEmail.jtp?type=node&node=4656236&i=0" target="_top">[hidden email]</a> <br><a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br><br><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=1 width="100%" noshade style='color:#CCCCCC' align=center></div><div><div><p class=MsoNormal><b><span style='font-size:7.0pt;font-family:"Tahoma","sans-serif";color:#444444'>If you reply to this email, your message will be added to the discussion below:<o:p></o:p></span></b></p></div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Tahoma","sans-serif";color:#444444'><a href="http://gstreamer-devel.966125.n4.nabble.com/GStreamer-cannot-reverse-playback-of-H264-encoding-the-MP4-video-tp4656231p4656236.html" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/GStreamer-cannot-reverse-playback-of-H264-encoding-the-MP4-video-tp4656231p4656236.html</a> <o:p></o:p></span></p></div><div style='margin-top:4.8pt'><p class=MsoNormal style='line-height:18.0pt'><span style='font-size:6.5pt;font-family:"Tahoma","sans-serif";color:#666666'>To unsubscribe from GStreamer cannot reverse playback of H264 encoding the MP4 video, <a href="" target="_blank">click here</a>.<br><a href="http://gstreamer-devel.966125.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml" target="_blank"><span style='font-size:5.5pt;font-family:"Times New Roman","serif"'>NAML</span></a> <o:p></o:p></span></p></div><div style='margin-top:12.0pt'><p class=MsoNormal><span style='font-size:6.5pt;font-family:"MS Gothic";color:#666666'>你</span><span style='font-size:6.5pt;font-family:MingLiU;color:#666666'>还是你，我还是我</span><span style='font-size:6.5pt;color:#666666'>..... <o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div class=MsoNormal><hr size=3 width=300 style='width:2.5in' align=left></div><p class=MsoNormal>View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/Re-GStreamer-cannot-reverse-playback-of-H264-encoding-the-MP4video-tp4656238.html">Re: GStreamer cannot reverse playback of H264 encoding the MP4video</a><br>Sent from the <a href="http://gstreamer-devel.966125.n4.nabble.com/">GStreamer-devel mailing list archive</a> at Nabble.com.<o:p></o:p></p></div></body></html>