<div dir="ltr">Hi all:<br>
         I test the FLV file like this: <font color="#3333ff">gst-launch-1.0
      filesrc location=warCG4.flv ! flvdemux ! avdec_h264 ! xvimagesin</font>,
    and I got the error like this:<br>
    <font color="#ff0000">Setting pipeline to PAUSED ...<br>
      Pipeline is PREROLLING ...<br>
      /GstPipeline:pipeline0/GstFlvDemux:flvdemux0.GstPad:video: caps =
      video/x-h264, stream-format=(string)avc,
      pixel-aspect-ratio=(fraction)1/1, width=(int)576, height=(int)264,
      framerate=(fraction)104280/6953,
codec_data=(buffer)014d401fffe1001a674d401f9662012047f2e0220000030002000003003d1e30622401000468eebc80<br>
      /GstPipeline:pipeline0/GstFlvDemux:flvdemux0.GstPad:audio: caps =
      audio/mpeg, mpegversion=(int)4, framed=(boolean)true,
      stream-format=(string)raw, rate=(int)22050, channels=(int)2,
      codec_data=(buffer)139056e5a54800<br>
      ERROR: from element /GstPipeline:pipeline0/GstFlvDemux:flvdemux0:
      Internal data stream error.<br>
      Additional debug info:<br>
      gstflvdemux.c(2599): gst_flv_demux_loop ():
      /GstPipeline:pipeline0/GstFlvDemux:flvdemux0:<br>
      stream stopped, reason not-negotiated<br>
      ERROR: pipeline doesn't want to preroll.<br>
      Setting pipeline to NULL ...<br>
      /GstPipeline:pipeline0/GstFlvDemux:flvdemux0.GstPad:video: caps =
      NULL<br>
      /GstPipeline:pipeline0/GstFlvDemux:flvdemux0.GstPad:audio: caps =
      NULL<br>
      Freeing pipeline ...</font><br>
    <br>
    then, I try to use <font color="#3333ff">gst-launch-0.10 </font>is
    no problem (<font color="#3366ff">gst-launch-0.10 filesrc
      location=warCG4.flv ! flvdemux ! ffdec_h264 ! xvimagesink -v</font>)<br>
    <br>
    why?? How I fix it in <font color="#3333ff">gst-launch-1.0</font><br></div>