[FFmpeg-devel] [PATCH]Enable ac3 decoding test

[Justin Ruggles]

Michael Niedermayer wrote:
> On Mon, Oct 13, 2008 at 02:01:33AM +0200, Carl Eugen Hoyos wrote:
>> Hi!
>>
>> Attached patch enables ac3 decoding test. Only tested on x86-32 (icc and 
>> gcc).
>>
>> Carl Eugen
> 
>> Index: tests/rotozoom.regression.ref
>> ===================================================================
>> --- tests/rotozoom.regression.ref	(Revision 15601)
>> +++ tests/rotozoom.regression.ref	(Arbeitskopie)
>> @@ -177,6 +177,8 @@
>>  stddev: 4394.71 PSNR: 23.46 bytes:  1053352/  1058444
>>  aefe11ab5067621a1c674859d6413891 *./tests/data/a-ac3.rm
>>  98203 ./tests/data/a-ac3.rm
>> +39d5646cba5a6cfedfd58845e6df3c06 *./tests/data/ac3.rotozoom.out.wav
>> +stddev:10496.20 PSNR: 15.90 bytes:  1056812/  1058444
> 
> this does not look like it is working, stddev should be smaller.
> are you sure that everything like the "shift" parameter to tiny_psnr
> is correct?
> 
> besides this, this needs to be tested on x86-64 to ensure the test does
> work on more than just x86-32. (i can do this if you have no x86-64 once
> the stuff looks like its working ...).

I don't know if shift is in bytes or samples... but it should be +/- 256
samples or 1024 bytes depending on what order it is compared it.

-Justin