[FFmpeg-devel] [PATCH/RFC] Add some dsputil functions useful for AAC decoder

[Alex Converse]

On Fri, Sep 18, 2009 at 6:11 PM, Mans Rullgard <mans at mansr.com> wrote:
> --- a/libavcodec/dsputil.h
> +++ b/libavcodec/dsputil.h
> @@ -397,6 +397,14 @@ typedef struct DSPContext {
> ? ? /* assume len is a multiple of 8, and arrays are 16-byte aligned */
> ? ? void (*int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len);
> ? ? void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */);
> + ? ?void (*vector_fmul_scalar)(float *dst, const float *src, float mul,
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? int len);
> + ? ?void (*vector_fmul_scalar_vp[2])(float *dst, const float *src,
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? const float **vp, float mul, int len);
> + ? ?void (*vp_fmul_scalar[2])(float *dst, const float **vp,
> + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?float mul, int len);
> + ? ?float (*scalarproduct_float)(const float *v1, const float *v2, int len);
> + ? ?void (*butterflies_float)(float *v1, float *v2, int len);
>

One last thought, do we want to tag anything restrict? I'm not sure
all the places where these might be used so it's hard for me to guess
but butterflies_float for instance looks like a good candidate for
restrict.