I followed the advice above, render as theora and vorbis, move the slider. I still get this error:
$ pitivi ERROR [ 1426] [0x -48bc8940] "<Pipeline at 0x9083bac>" pipeline Mar 26 00:10:31 _errorObject: error from /GstPipeline:pipeline1/GstBin:bin1/GnlComposition:gnlcomposition2/GnlSource:gnlsource: PictureFileSourceFactory70/GstBin:bin72/pitivi+elements+singledecodebin+SingleDecodeBin:pitivi+elements+singledecodebin+singledecodebin70/GstGdkPixbuf:gdkpixbuf2 (__main__.GstGdkPixbuf): Could not decode stream. (gstgdkpixbuf.c(300): gst_gdk_pixbuf_flush (): /GstPipeline:pipeline1/GstBin:bin1/GnlComposition:gnlcomposition2/GnlSource:gnlsource: PictureFileSourceFactory70/GstBin:bin72/pitivi+elements+singledecodebin+SingleDecodeBin:pitivi+elements+singledecodebin+singledecodebin70/GstGdkPixbuf:gdkpixbuf2: error geting pixbuf) (/usr/lib/pitivi/python/pitivi/log/loggable.py:30) ERROR [ 1426] [0x -48bc8940] "<Pipeline at 0x9083bac>" pipeline Mar 26 00:10:31 _errorObject: error from /GstPipeline:pipeline1/GstBin:bin1/GnlComposition:gnlcomposition2/GnlSource:gnlsource: PictureFileSourceFactory70/GstBin:bin72/pitivi+elements+singledecodebin+SingleDecodeBin:pitivi+elements+singledecodebin+singledecodebin70/GstGdkPixbuf:gdkpixbuf2 (__main__.GstGdkPixbuf): GStreamer encountered a general stream error. (gstgdkpixbuf.c(337): gst_gdk_pixbuf_sink_event (): /GstPipeline:pipeline1/GstBin:bin1/GnlComposition:gnlcomposition2/GnlSource:gnlsource: PictureFileSourceFactory70/GstBin:bin72/pitivi+elements+singledecodebin+SingleDecodeBin:pitivi+elements+singledecodebin+singledecodebin70/GstGdkPixbuf:gdkpixbuf2: Flow: error) (/usr/lib/pitivi/python/pitivi/log/loggable.py:30) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/503937 Title: [karmic] pitivi won't render project... or worse -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs