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Bug 654612 - ffdec_mpeg4 and xviddec from git doesn't play MPEG-4 video in 1280x1024
ffdec_mpeg4 and xviddec from git doesn't play MPEG-4 video in 1280x1024
Status: RESOLVED NOTABUG
Product: GStreamer
Classification: Platform
Component: gst-libav
git master
Other Linux
: Normal normal
: git master
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2011-07-14 12:45 UTC by beemaster
Modified: 2011-07-14 19:45 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description beemaster 2011-07-14 12:45:58 UTC 
ffdec_mpeg4 and xviddec from git doesn't play MPEG-4 video in 1280x1024.
At the same time they play video in 640x480 from the same source.
The stream I get from IP-camera and save to file with the following pipeline:
gst-launch-0.10 -v --gst-plugin-path=/home/user/bin/gstreamer/lib udpsrc uri=udp://127.0.0.1:4951 caps="video/mpeg, mpegversion=4" ! gdppay ! filesink location=rec_1280.gdp

Then I tried to play video with the following pipeline:

gst-launch-0.10 -v --gst-plugin-path=/home/user/bin/gstreamer/lib filesrc location=~/rec_1280.gdp ! gdpdepay ! ffdec_mpeg4 ! xvimagesink
gst-launch-0.10 -v --gst-plugin-path=/home/user/bin/gstreamer/lib filesrc location=rec_1280.gdp ! gdpdepay ! mpeg4videoparse ! ffdec_mpeg4 ! xvimagesink
gst-launch-0.10 -v --gst-plugin-path=/home/user/bin/gstreamer/lib filesrc location=rec_1280.gdp ! gdpdepay ! mpeg4videoparse ! xviddec ! xvimagesink

In attachement I include both files with resolution 1280x1024 and 640x480 so you can compare.
Comment 1 beemaster 2011-07-14 12:54:44 UTC 
Stream samples: http://good.net/dl/au/028c/recorded_streams.tar.gz
Comment 2 David Schleef 2011-07-14 19:45:43 UTC 
UDP is an unreliable transport, so I'm not surprised that you get corruption, particularly with larger sizes.

If you want to use UDP, you need to add a reliable layer on top of it, like RTP.  Or, use TCP.