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)
I followed the advice above, render as theora and vorbis, move the slider. I still get this error:
$ pitivi pipeline1/ GstBin: bin1/GnlComposi tion:gnlcomposi tion2/GnlSource :gnlsource: PictureFileSour ceFactory70/ GstBin: bin72/pitivi+ elements+ singledecodebin +SingleDecodeBi n:pitivi+ elements+ singledecodebin +singledecodebi n70/GstGdkPixbu f:gdkpixbuf2 (__main_ _.GstGdkPixbuf) : Could not decode stream. (gstgdkpixbuf. c(300): gst_gdk_ pixbuf_ flush (): /GstPipeline: pipeline1/ GstBin: bin1/GnlComposi tion:gnlcomposi tion2/GnlSource :gnlsource: PictureFileSour ceFactory70/ GstBin: bin72/pitivi+ elements+ singledecodebin +SingleDecodeBi n:pitivi+ elements+ singledecodebin +singledecodebi n70/GstGdkPixbu f:gdkpixbuf2: pitivi/ python/ pitivi/ log/loggable. py:30) pipeline1/ GstBin: bin1/GnlComposi tion:gnlcomposi tion2/GnlSource :gnlsource: PictureFileSour ceFactory70/ GstBin: bin72/pitivi+ elements+ singledecodebin +SingleDecodeBi n:pitivi+ elements+ singledecodebin +singledecodebi n70/GstGdkPixbu f:gdkpixbuf2 (__main_ _.GstGdkPixbuf) : GStreamer encountered a general stream error. (gstgdkpixbuf. c(337): gst_gdk_ pixbuf_ sink_event (): /GstPipeline: pipeline1/ GstBin: bin1/GnlComposi tion:gnlcomposi tion2/GnlSource :gnlsource: PictureFileSour ceFactory70/ GstBin: bin72/pitivi+ elements+ singledecodebin +SingleDecodeBi n:pitivi+ elements+ singledecodebin +singledecodebi n70/GstGdkPixbu f:gdkpixbuf2: pitivi/ python/ pitivi/ log/loggable. py:30)
ERROR [ 1426] [0x -48bc8940] "<Pipeline at 0x9083bac>" pipeline Mar 26 00:10:31 _errorObject: error from /GstPipeline:
error geting pixbuf) (/usr/lib/
ERROR [ 1426] [0x -48bc8940] "<Pipeline at 0x9083bac>" pipeline Mar 26 00:10:31 _errorObject: error from /GstPipeline:
Flow: error) (/usr/lib/