[FFmpeg-devel] [PATCH] Some ra144.c simplifications

Michael Niedermayer michaelni
Wed May 28 01:00:52 CEST 2008


On Tue, May 27, 2008 at 09:16:09PM +0200, Vitor Sessak wrote:
> Michael Niedermayer wrote:
>> On Sun, May 25, 2008 at 07:11:52PM +0200, Vitor Sessak wrote:
>>> Michael Niedermayer wrote:
>>>> On Sun, May 25, 2008 at 06:05:15PM +0200, Vitor Sessak wrote:
>>>> [...]
>>>>>>> ok
>>>>>> One more...
>>>>> ... and some more cleanup:
>>>>>
>>>>> ra144_vector_add_wav.diff: Make add_wav() receive a vector instead of 
>>>>> three integers
>>>>>
>>>>> ra144_params_dec2.diff: Do not calculate anything based in l, it is 
>>>>> unrolled in the loop anyway
>>>> ok
>>> Now s/(unsigned) short/(u)int16_t.
>> ok
>
> Next one. dec2() interpolates the block coefficients from the previous one 
> and fall back to a block-dependent schema if the interpolation results in 
> an unstable filter...
[...]
> +    // Interpolate block coefficients from the this frame forth block and
> +    // last frame forth block
>      for (x=0; x<30; x++)
> -        decsp[x] = (a * inp[x] + b * inp2[x]) >> 2;
> +        decsp[x] = (a * ractx->lpc_coef[x] + b * ractx->lpc_coef_old[x])>> 2;

ff_acelp_weighted_vector_sum()


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Frequently ignored awnser#1 FFmpeg bugs should be sent to our bugtracker. User
questions about the command line tools should be sent to the ffmpeg-user ML.
And questions about how to use libav* should be sent to the libav-user ML.
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