[FFmpeg-devel] Implementation of Huffman codes for DCA encoder

Carl Eugen Hoyos ceffmpeg at gmail.com
Sat Jan 7 22:50:57 EET 2017


2017-01-07 20:39 GMT+01:00 Rostislav Pehlivanov <atomnuker at gmail.com>:
> On 7 January 2017 at 16:11, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>
>> 2017-01-07 16:00 GMT+01:00 Даниил Чередник <dan.cherednik at gmail.com>:
>>
>> > Currently I am working on improvement quality of DTS encoder. Following
>> > patches introduce Huffman coding.
>>
>> Is the quality improvement so obvious that no further tests are necessary?
>> (Does psnr improve measurably?)
>>
> PSNR is pretty much useless for audio.

> The ear's the only metric which works.

Not everybody's;-))

> From the 2 samples he posted I can tell there's a big difference, and the
> encoder isn't very good right now and the patch definitely helps.

Thank you!

Carl Eugen


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