[FFmpeg-devel] E-AC-3 in FFmpeg

[Justin Ruggles]

Justin Ruggles wrote:
> It also looks good to me except 1 thing.  I don't like that do_imdct() 
> will be essentially duplicated verbatim in the E-AC-3 decoder.  The 
> first solution that comes to mind is a shared AC3MDCT struct to hold 
> most of the context variables used in that function:
> tmp_output, delay, window, tmp_imdct, imdct_256, imdct_512, dsp
> 
> blksw, transform_coeffs, and output could be passed in as arguments to 
> the shared function.  ...or everything could all be passed as arguments, 
> but that would be pretty messy.

Here is a patch describing my idea above.

-Justin
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