[FFmpeg-devel] [PATCH] avfilter/af_firequalizer: add av_restrict on convolution func

[wm4]

On Sat, 11 Mar 2017 07:56:52 +0700
Muhammad Faiz <mfcc64 at gmail.com> wrote:

> slightly improved speed
> 
> Signed-off-by: Muhammad Faiz <mfcc64 at gmail.com>
> ---
>  libavfilter/af_firequalizer.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/libavfilter/af_firequalizer.c b/libavfilter/af_firequalizer.c
> index 5c6fd54..4243d66 100644
> --- a/libavfilter/af_firequalizer.c
> +++ b/libavfilter/af_firequalizer.c
> @@ -197,8 +197,8 @@ static int query_formats(AVFilterContext *ctx)
>      return ff_set_common_samplerates(ctx, formats);
>  }
>  
> -static void fast_convolute(FIREqualizerContext *s, const float *kernel_buf, float *conv_buf,
> -                           OverlapIndex *idx, float *data, int nsamples)
> +static void fast_convolute(FIREqualizerContext *av_restrict s, const float *av_restrict kernel_buf, float *av_restrict conv_buf,
> +                           OverlapIndex *av_restrict idx, float *av_restrict data, int nsamples)
>  {
>      if (nsamples <= s->nsamples_max) {
>          float *buf = conv_buf + idx->buf_idx * s->rdft_len;
> @@ -235,8 +235,8 @@ static void fast_convolute(FIREqualizerContext *s, const float *kernel_buf, floa
>      }
>  }
>  
> -static void fast_convolute2(FIREqualizerContext *s, const float *kernel_buf, FFTComplex *conv_buf,
> -                            OverlapIndex *idx, float *data0, float *data1, int nsamples)
> +static void fast_convolute2(FIREqualizerContext *av_restrict s, const float *av_restrict kernel_buf, FFTComplex *av_restrict conv_buf,
> +                            OverlapIndex *av_restrict idx, float *av_restrict data0, float *av_restrict data1, int nsamples)
>  {
>      if (nsamples <= s->nsamples_max) {
>          FFTComplex *buf = conv_buf + idx->buf_idx * s->rdft_len;

Seems ok. How much improved?