[FFmpeg-devel] [PATCH] aacdec: buf_mdct data array reduction

Young Han Lee cpumaker
Sun Feb 20 05:18:24 CET 2011

On Thu, Feb 17, 2011 at 4:44 PM, Alex Converse <alex.converse at gmail.com>wrote:


> This is getting pretty close to dsp.vector_fmul_window(). Is there a
> way to further combine things and the the dsp function?
I think it is different from vector_fmul_window().
it is slightly different from vector_fmul() or vector_fmul_reverse()
because it is reversely stored.
Can I make new one in dsp function?
If it is allowed, I can make it
but it seems it is only used here.

> Otherwise looks good.
> If you are looking for other was to reduce LTP memory usage, LTP
> variables can live in a union with AOT_AAC_MAIN prediction variables.
> As you told me, ltp_state data array is changed to the pointer using the
prediction variables.
Thank you for comment :)

Young Han
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