<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.3492" name=GENERATOR></HEAD> <BODY> <DIV dir=ltr align=left><SPAN class=887345001-02032009><FONT face=宋体 color=#0000ff size=2>From code, I find decodebin will not put decodesink into its element factory, decodebin only support elements with klass is "Demuxer", "Parser", "Decoder", "Depayloader".</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=887345001-02032009><FONT face=宋体 color=#0000ff size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=887345001-02032009><FONT face=宋体 color=#0000ff size=2>so playbin will select decoder, not decodesink.</FONT></SPAN></DIV><BR> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> <FONT face=Tahoma size=2><B>From:</B> Liang Zhao [mailto:liangzhao.bit@gmail.com] <BR><B>Sent:</B> Friday, February 27, 2009 2:37 PM<BR><B>To:</B> Stefan Kost<BR><B>Cc:</B> gstreamer-devel@lists.sourceforge.net; gstreamer-embedded@lists.sourceforge.net<BR><B>Subject:</B> Re: [gst-embedded] can playbin handle the sink with decodingfunctions?<BR></FONT><BR></DIV> <DIV></DIV>Suppose decodesink has higher rank than decode, and playbin2 will choose decodesink, so how will playbin select ?  select decodesink and fail?<BR><BR>Zhao Liang<BR><BR> <DIV class=gmail_quote>2009/2/27 Stefan Kost <SPAN dir=ltr><<A href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</A>></SPAN><BR> <BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">Liang Zhao schrieb:<BR> <DIV class=Ih2E3d>> Can playbin2 support both decoder and decodesink? I mean if both of them<BR>> are available, can I decide the playbin2 behavior that whic element can<BR>> be used by some methods? I find some signals in decodebin2, such as<BR>> "autoplug-factories", "autoplug-select", can I use it?<BR>><BR></DIV>For autoplugging, it is never good to have alternatives. Choose the best way to<BR>decode files for you platform and ship that set of needed plugins. If There are<BR>multiple decoders for the same format, autoplugging will pick whater has the<BR>highes rank and if even there are multiple, it takes what it find first.<BR><BR>Stefan<BR><BR>> Zhao Liang<BR>><BR>> 2009/2/21 Michael Smith <<A href="mailto:msmith@xiph.org">msmith@xiph.org</A> <mailto:<A href="mailto:msmith@xiph.org">msmith@xiph.org</A>>><BR> <DIV class=Ih2E3d>><BR>>     On Fri, Feb 20, 2009 at 5:35 PM, Liang Zhao <<A href="mailto:liangzhao.bit@gmail.com">liangzhao.bit@gmail.com</A><BR></DIV> <DIV class=Ih2E3d>>     <mailto:<A href="mailto:liangzhao.bit@gmail.com">liangzhao.bit@gmail.com</A>>> wrote:<BR>>     > Hi Mike,<BR>>     ><BR>>     > Thanks.<BR>>     ><BR>>     > so playbin must add a audiobin after decoder? If that, that means our<BR>>     > audiosink can not work with playbin?<BR>><BR>>     playbin always decodes the audio fully, to raw PCM. So you probably<BR>>     can't use it in your case.<BR>><BR>>     ><BR>>     > playbin2 is not stable in its description, and not used by many<BR>>     players such<BR>>     > as totem,  so what can I do?<BR>><BR>>     It's not guaranteed to be entirely API-stable (properties, signals,<BR>>     might change in future versions), but as far as code stability goes,<BR>>     it's perfectly ok.<BR>><BR>>     Some players do use it (e.g. Songbird, the player I work on, uses it<BR>>     on windows, linux, and macos).<BR>><BR>>     Mike<BR>><BR>><BR></DIV>> ------------------------------------------------------------------------<BR>><BR>> ------------------------------------------------------------------------------<BR> <DIV> <DIV></DIV> <DIV class=Wj3C7c>> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA<BR>> -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise<BR>> -Strategies to boost innovation and cut costs with open source participation<BR>> -Receive a $600 discount off the registration fee with the source code: SFAD<BR>> <A href="http://p.sf.net/sfu/XcvMzF8H" target=_blank>http://p.sf.net/sfu/XcvMzF8H</A><BR>><BR>><BR>> ------------------------------------------------------------------------<BR>><BR>> _______________________________________________<BR>> Gstreamer-embedded mailing list<BR>> <A href="mailto:Gstreamer-embedded@lists.sourceforge.net">Gstreamer-embedded@lists.sourceforge.net</A><BR>> <A href="https://lists.sourceforge.net/lists/listinfo/gstreamer-embedded" target=_blank>https://lists.sourceforge.net/lists/listinfo/gstreamer-embedded</A><BR><BR></DIV></DIV></BLOCKQUOTE></DIV><BR></BODY></HTML>