[Ffmpeg-devel] Fixed point arithmetic RealAudio G2 (cook) decoder

[Benjamin Larsson]

Ian Braithwaite wrote:
> Hi,
> 
> 
> OK - here's my fixed point patch for the cook audio decoder.
> 

[...]

> 
> Patch 3.
> Replace custom modified discrete cosine transform with ffmpeg's own.
> This does alter the decoded output, although not to my ears.
> The new output is closer to that produced by Real's "official" decoder,
> and the decoder runs slightly faster.
> 
>  cook.c |   98
> +++++++++++++++++++----------------------------------------------
>  1 file changed, 30 insertions(+), 68 deletions(-)

Applied with suggested modifications.

> 
> 
> Patch 4.
> Simplify subband coefficient handling.
> No effect on output.
> 

MvH
Benjamin Larsson