[gstreamer-bugs] [Bug 550949] New: a question use videoflip

[GStreamer (bugzilla.gnome.org) <bug...@bu...>]

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  GStreamer | gst-plugins-good | Ver: 0.10.x
           Summary: a question use videoflip
           Product: GStreamer
           Version: 0.10.x
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gst...@li...
        ReportedBy: dy...@12...
         QAContact: gst...@li...
     GNOME version: Unspecified
   GNOME milestone: Unspecified


I build such a pipe line play a avi file.

     play_bin = gst_parse_launch("filesrc name=filesrc ! ffdemux_avi name=demux
demux.audio_00 ! queue  \
name=a_queue ! decodebin ! \
                audioconvert ! audioresample ! volume name=volume !
autoaudiosink name=a_sink  demux.video_00 ! queue name=v_queue ! \
                decodebin ! videoflip method=0 name=v_flip ! ffvideoscale
name=v_scale  ! ffmpegcolorspace ! dfbvideosink name=v_sink", &error);

    It work good at most time .
    but if my video source caps is video/x-raw-yuv, width=(int)208,
height=(int)156  ...
   when i set v_flip method as 1,  the pipeline go error.  
   I found in fusnc gst/videofilter/gstvideoflip.c:gst_video_flip_transform()
   GST_BUFFER_SIZE(in) value is 48048 , but the GST_BUFFER_SIZE(out)  value
49088. they are not same.
   so I add 
      GST_BUFFER_SIZE(out) = GST_BUFFER_SIZE(in);
   befour return.  and it could work good.
  but I dont know if this could course some ohter question.
thanks.


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