[Bug 761167] video crc generator for video decoder verification

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=761167

--- Comment #11 from Rajesh <sharma.rajesh at gmail.com> ---
Thanks Nicolas,

as I see that you and Tim have reviewed Bug 763006 therefore I can get better
feedback from you two about my plugin videocrc.

Two review comments which I observed there are already in this plugin.
Its a separate plugin derived from videofilter class and can work in a running
video playback pipeline. it post messages to application instead of printing on
stdout. 
It can be used to carry out allegro test suite verification of H264 video
decoder.

This element accepts selected YUV planar formats NV12, I420 and YV12.
The element computes 32 bit CRC of luma and chroma for every video frame.

Uses the standard CRC algorithm to compute CRC values for every video frame.
Implements table based optimized CRC computation algorithm available in public
domain. 

CRC is sent as messsage to application
CRC message can be switched off by setting crc-message property to FALSE.

The default polynomial used is 0X04c11db7U
it can be changed before processing using crc-mask property.

CRC values can also be printed on terminal using --gst-debug=videocrc:5

BR/
Rajesh

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