<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=GB2312" http-equiv=Content-Type> <STYLE> BLOCKQUOTE { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; MARGIN-LEFT: 2em } OL { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } UL { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } DIV.FoxDiv20120412102401437104 { COLOR: #000000 } P { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } BODY { LINE-HEIGHT: 1.5; FONT-FAMILY: Times New Roman; COLOR: #666666; FONT-SIZE: 12pt } </STYLE> <META name=GENERATOR content="MSHTML 8.00.6001.18928"></HEAD> <BODY style="MARGIN: 10px"> <DIV>hi, Aihua Zhao</DIV> <DIV> </DIV> <DIV>Thank you for your reply. I check the link you offer, but not very clear of it. </DIV> <DIV>Now I can get the codec_data, then I need to parse it and got the PPS and SPS, right? After that, I need to package PPS and SPS to a GstBuffer and pass it downstream, but how can I package GstH264PPS to a GstBuffer, and does it work for me?</DIV> <DIV> </DIV> <DIV>Best regards, <BR>zqhuan </DIV> <DIV> </DIV> <HR style="WIDTH: 210px; HEIGHT: 1px" align=left color=#b5c4df SIZE=1> <DIV><SPAN>ZiQiang Huan</SPAN></DIV> <DIV> </DIV> <DIV style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"> <DIV style="PADDING-BOTTOM: 8px; PADDING-LEFT: 8px; PADDING-RIGHT: 8px; BACKGROUND: #efefef; COLOR: #000000; FONT-SIZE: 12px; PADDING-TOP: 8px"> <DIV><B>发件人：</B> <A href="mailto:halley.zhaoaihua@gmail.com">Aihua Zhao</A></DIV> <DIV><B>发送时间：</B> 2012-04-11 16:18</DIV> <DIV><B>收件人：</B> <A href="mailto:hzqhuan@gmail.com">hzqhuan</A>; <A href="mailto:gstreamer-devel@lists.freedesktop.org">Discussion of the development of and with GStreamer</A></DIV> <DIV><B>主题：</B> Re: How can I deal with the codec_data after qtdemux?</DIV></DIV></DIV> <DIV> <DIV class=FoxDiv20120412102401437104>there are PPS, SPS in it, <BR>refer it to:<BR><A href="https://gitorious.org/vaapi/gstreamer-vaapi/blobs/master/gst-libs/gst/vaapi/gstvaapidecoder_h264.c#line2366">https://gitorious.org/vaapi/gstreamer-vaapi/blobs/master/gst-libs/gst/vaapi/gstvaapidecoder_h264.c#line2366</A> <BR><BR> <DIV class=gmail_quote>在 2012年4月11日下午1:54，ZiQiang Huan <SPAN dir=ltr><<A href="mailto:hzqhuan@gmail.com">hzqhuan@gmail.com</A>></SPAN>写道：<BR> <BLOCKQUOTE style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class=gmail_quote><U></U> <DIV style="MARGIN: 10px"> <DIV>hi, gstreamers <BR><BR>I can play mpegts files which contains h264 video and aac audio. But when I play mp4 files, qtdemux parse them to h264 video and aac audio, but my hardware decoders cannot decode them. I see the logs below <BR>/GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0.GstGhostPad:src0: caps = video/x-h264, level=(string)4.1, profile=(string)main, codec_data <BR>(buffer)014d4029ffe10018674d4029b91816824d080000030008000003019478c189c001000468ee0fc8, width=(i <BR>nt)720, height=(int)576, framerate=(fraction)30000/1001, pixel-aspect-ratio=(fraction)16/15 <BR><BR>I try to search some info about this from internet, but still not aware of this. So how I can deal with codec_data? any suggestions for this or any examples for this ? <BR><BR>Best regards, <BR>zqhuan </DIV> <DIV> </DIV> <HR style="MIN-HEIGHT: 1px; WIDTH: 210px" align=left color=#b5c4df SIZE=1> <SPAN class=HOEnZb><FONT color=#888888> <DIV><SPAN>ZiQiang Huan</SPAN></DIV></FONT></SPAN></DIV><BR>_______________________________________________<BR>gstreamer-devel mailing list<BR><A href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</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></BLOCKQUOTE></DIV><BR></DIV></DIV></BODY></HTML>