[gstreamer-bugs] [Bug 338991] [patch] Videoscale doesn't pass on pixel-aspect ratio

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-plugins-base | Ver: HEAD CVS


Fernando Herrera changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fherrera at onirica.com




------- Comment #3 from Fernando Herrera  2006-04-23 14:47 UTC -------
With this patch, using only width or height in the out caps it does not respect
original aspect ratio.

Using this pipeline over a file with 480 x 368:
GST_DEBUG=videoscale:5 gst-launch-0.10 --gst-debug-no-color filesrc
location="marlango y bose.avi" ! decodebin ! videoscale !
video/x-raw-yuv,width=100 ! ffmpegcolorspace ! ximagesink

gives this debug output:
DEBUG (0x8ae74c8 - 0:00:00.934618000)           videoscale(24650)
gstvideoscale.c(586):gst_video_scale_fixate_caps:<videoscale0> scaling
input with 480x368 and PAR 1/1 to output PAR 1/1
DEBUG (0x8ae74c8 - 0:00:00.934641000)           videoscale(24650)
gstvideoscale.c(588):gst_video_scale_fixate_caps:<videoscale0> resulting output
should respect ratio of 30/23
DEBUG (0x8ae74c8 - 0:00:00.934660000)           videoscale(24650)
gstvideoscale.c(597):gst_video_scale_fixate_caps:<videoscale0> keeping
video height
DEBUG (0x8ae74c8 - 0:00:00.934676000)           videoscale(24650)
gstvideoscale.c(609):gst_video_scale_fixate_caps:<videoscale0> scaling
to 480x368
DEBUG (0x8ae74c8 - 0:00:00.934710000)           videoscale(24650)
gstvideoscale.c(629):gst_video_scale_fixate_caps:<videoscale0> fixated
othercaps to video/x-raw-yuv, width=(int)100, height=(int)368,
framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, format=(fourcc)I420


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