[FFmpeg-devel] Monochrome 12bit compression help

[Paul B Mahol]

Dana 2. 11. 2015. 19:08 osoba "Ken Milnes" <kenmilnes at sportvision.com>
napisala je:
>
> Our company is working on a project that requires some video compression.
> In our application we are capturing 12 bit monochrome video using IP
> cameras.  The video is taken from fixed cameras on a golf course putting
> green.   The camera video is approximately 1900 X 1200 pixels, 12 bits,
and
> 20 Hz frame rate.   The scene is largely static as the cameras are fixed.
>
>
>
> Our desire is to compress this video for archival.  It is important that
the
> video is either lossless compressed or that the compression does little
> damage because we want to run the machine vision tracking algorithms after
> decompression.
>
>
>
> We did some very preliminary tests using h.264 compression from the ffmpeg
> library and was quite impressed with the results.  It looked like 100:1
> compression was achievable without damaging the video.   The test was not
> really valid because we use RGB compression and it was only 8 bit video.
 I
> could not find 12 bit, monochrome options in the library.
>

You need to rebuild x264 and ffmpeg with highbit support. You can't use
options.

>
>
> We are looking for a consultant to help select or modify a codec that is
> optimal for this application.   I wish  to scope a project that would give
> us an API that we could include in our software product that would
compress
> and uncompress our 12 bit monochrome video.
>
>
>
> Our project schedule would require a finished API by the end of December.
>
>
>
> Regards,
>
>
>
> Ken
>
>
>
> Ken Milnes
>
> Project  Manager / System Engineer
>
> Sportvision
>
> www.sportvision.com
>
> kenmilnes at sportvision.com
>
>
>
>
>
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