[FFmpeg-devel] dcaenc: use Huffman codes for Bit Allocation Index

[Rostislav Pehlivanov]

On 20 January 2017 at 08:57, Даниил Чередник <dan.cherednik at gmail.com>
wrote:

> Hi.
>
> My previous patch introduced Huffman for quantized data, this patch allows
> to use Huffman for bit allocation indexes (abits). This is a less
> significant improvement but still noticeable in case of limited bitrate. In
> case of DIN_45403 input sample I got:
> before:
> Best PSNR is  44.47 for shift 0
> after:
> Best PSNR is  46.64 for shift 0
>
> Thank you.
> --
> Daniil Cherednik
>
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>
Hi,

I've reviewed and tested the patch, saw nothing wrong. There was indeed a
small improvement from signalling bit allocation using Huffman tables.
Performance didn't even decrease on my machine.

Thanks, pushed.