[gstreamer-bugs] [Bug 550949] New: a question use videoflip
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Thu Sep 4 23:35:29 PDT 2008
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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: gstreamer-bugs at lists.sourceforge.net
ReportedBy: dycl3 at 126.com
QAContact: gstreamer-bugs at lists.sourceforge.net
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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