[FFmpeg-devel] Call for "make fate2" tests

Måns Rullgård mans
Fri Jul 16 12:36:19 CEST 2010


Vitor Sessak <vitor1001 at gmail.com> writes:

> On 07/16/2010 12:18 AM, Ronald S. Bultje wrote:
>> Hi,
>>
>> On Thu, Jul 15, 2010 at 5:59 PM, Vitor Sessak<vitor1001 at gmail.com>  wrote:
>>> On 07/15/2010 11:28 PM, Ronald S. Bultje wrote:
>>>> On Thu, Jul 15, 2010 at 5:19 PM, Vitor Sessak<vitor1001 at gmail.com>    wrote:
>>>>>
>>>>> There are a few formats that could use some tests for "make fate2". Could
>>>>> the maintainers send a patch or at least suggest one or more files to
>>>>> test?
>>>>
>>>> WMAVoice!!!
>>>
>>> Ok course, how could I forgot it?! Can you send a sample/patch?
>>
>> http://samples.mplayerhq.hu/A-codecs/WMSP/
>>
>> I used the streaming_CBR-{7,11,19}K.wma, together they pretty much
>> expose all features of the decoder.
>
> Unfortunately, wmavoice has the same problem of AMR: the
> floating-point errors add up, making the output across arches vary
> considerably. Comparing my core duo with Mans' ppc box:
>
> stddev:    0.16 PSNR:111.87 MAXDIFF:   10 bytes:   264014/   264014
> stddev:    1.12 PSNR: 95.34 MAXDIFF:   58 bytes:   264014/   264014
> stddev:    2.50 PSNR: 88.36 MAXDIFF:   98 bytes:   527906/   527906

Is the output actually correct in any sense of the word?  How are the
psnr values?

-- 
M?ns Rullg?rd
mans at mansr.com



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