[x264-devel] [PATCH] film grain signalization

[Loren Merritt]

On Mon, 20 Aug 2007, Gabriel Bouvigne wrote:

> This patch allows writing of film grain characteristics into an SEI message, 
> as specified in annex D of the standard.
> Only a single pixel interval will be considered, going from 0 to 255 (ie 
> every pixel is part of it).
>
> Please note that this is only a signalization patch, allowing to write 
> information into bitstream, but without any black magic to guess optimal 
> values.

I'll keep this in mind if I ever get around to implementing the black 
magic :)
Or are you proposing to add it as-is? Because I can't see a workflow that 
would allow you to know the fgm parameters before encoding. If you have 
to experiment manually you'd want a separate tool to insert fgm into a 
stream without re-encoding it several times.

--Loren Merritt
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