<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body text="#000000" bgcolor="#ffffff"> Running with videoparse did not solve the problem.  When I run it with the -v option, I get the following output. C:\Users\wmetcalf>gst-launch -v filesrc location="c:\\video(low_res).ogg" ! oggdemux ! theoradec ! ffmpegcolorspace ! x264enc ! qtmux ! filesink location="c:\\video(blah).mp4 Setting pipeline to PAUSED ... Pipeline is PREROLLING ... /GstPipeline:pipeline0/GstTheoraDec:theoradec0.GstPad:sink: caps = video/x-theora, width=(int)720, height=(int)400, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1 /GstPipeline:pipeline0/GstTheoraDec:theoradec0.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)I420, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, width=(int)720, height=(int)400 /GstPipeline:pipeline0/GstFFMpegCsp:ffmpegcsp0.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)I420, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, width=(int)720, height=(int)400 /GstPipeline:pipeline0/GstFFMpegCsp:ffmpegcsp0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)I420, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, width=(int)720, height=(int)400 ERROR: from element /GstPipeline:pipeline0/GstX264Enc:x264enc0: Could not encode stream. Additional debug info: ..\..\..\..\..\Source\gst-plugins-ugly\ext\x264\gstx264enc.c(737): gst_x264_enc_header_buf (): /GstPipeline:pipeline0/GstX264Enc:x264enc0: Unexpected x264 header. ERROR: pipeline doesn't want to preroll. /GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:src: caps = video/x-h264, width=(int)720, height=(int)400, framerate=(fraction)25/1, stream-format=(string)avc /GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)I420, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, width=(int)720, height=(int)400 Setting pipeline to NULL ... /GstPipeline:pipeline0/GstQTMux:qtmux0.GstPad:src: caps = NULL /GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:src: caps = NULL /GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:sink: caps = NULL /GstPipeline:pipeline0/GstFFMpegCsp:ffmpegcsp0.GstPad:src: caps = NULL /GstPipeline:pipeline0/GstFFMpegCsp:ffmpegcsp0.GstPad:sink: caps = NULL /GstPipeline:pipeline0/GstTheoraDec:theoradec0.GstPad:src: caps = NULL /GstPipeline:pipeline0/GstTheoraDec:theoradec0.GstPad:sink: caps = NULL /GstPipeline:pipeline0/GstOggDemux:oggdemux0.GstOggPad:serial_0dcdfd30: caps = NULL /GstPipeline:pipeline0/GstOggDemux:oggdemux0.GstOggPad:serial_6c22f681: caps = NULL Freeing pipeline ... It seems to me like the caps are correct to my understanding.  The sink of the decoder is theora, and it outputs raw.  FFMPCS takes in raw and ouputs raw, and x264enc takes in raw and outputs h264.  Can you see something else that is wrong or is my understanding incorrect? Thank you, William On 6/7/2011 1:31 PM, sudarshan bisht wrote: <blockquote cite="mid:BANLkTimM7psFS8NYx2J7qL9isdGQaXfPuw@mail.gmail.com" type="cite">You can try using videoparse before x264enc. And use -v option with gst-launch to get some caps related logs. <div> </div> <div> <div class="gmail_quote">On Tue, Jun 7, 2011 at 6:33 PM, William Metcalf <<a moz-do-not-send="true" href="mailto:wmetcalf@niftytv.com">wmetcalf@niftytv.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">I have a pipeline I am using to convert an .ogg file to an .mp4.  I am currently using ffenc_mpeg4 to encode the video, and this encoder sets the video format as .mp4v.  I need my video to be encoded as AVC so I am trying to use x264enc instead.  However every time I try to use x264enc, I get the error "failed to encode stream".  Below is a sample pipeline I am using in my converter.  Can any one tell my why x264enc is failing to encode the stream?  Thank you in advance. gst-launch filesrc location="c:\\video(low_res).ogg" ! oggdemux ! theoradec ! ffmpegcolorspace ! x264enc ! qtmux ! filesink location="c:\\video(blah).mp4 _______________________________________________ gstreamer-devel mailing list <a moz-do-not-send="true" href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a moz-do-not-send="true" href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote> </div> -- Regards, Sudarshan Bisht </div> <pre wrap=""> <fieldset class="mimeAttachmentHeader"></fieldset> _______________________________________________ gstreamer-devel mailing list <a class="moz-txt-link-abbreviated" href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a class="moz-txt-link-freetext" href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </pre> </blockquote> </body> </html>