Re: [FFmpeg-devel] [PATCH] lavc/fmtconvert: remove dead int32_to_float

[Andreas Rheinhardt <andreas.rheinhardt@outlook.com>]

remi@remlab.net:
> From: Rémi Denis-Courmont <remi@remlab.net>
> 
> This is not used anywhere and has no implementations other than the
> plain C one.
> ---
>  libavcodec/fmtconvert.c |  9 ---------
>  libavcodec/fmtconvert.h | 10 ----------
>  2 files changed, 19 deletions(-)
> 
> diff --git a/libavcodec/fmtconvert.c b/libavcodec/fmtconvert.c
> index fd56a63c77..00f55f8f1e 100644
> --- a/libavcodec/fmtconvert.c
> +++ b/libavcodec/fmtconvert.c
> @@ -33,14 +33,6 @@ static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src,
>          dst[i] = src[i] * mul;
>  }
>  
> -static void int32_to_float_c(float *dst, const int32_t *src, intptr_t len)
> -{
> -    int i;
> -
> -    for (i = 0; i < len; i++)
> -        dst[i] = (float)src[i];
> -}
> -
>  static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
>                                           const int32_t *src, const float *mul,
>                                           int len)
> @@ -52,7 +44,6 @@ static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
>  
>  av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
>  {
> -    c->int32_to_float             = int32_to_float_c;
>      c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
>      c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c;
>  
> diff --git a/libavcodec/fmtconvert.h b/libavcodec/fmtconvert.h
> index a1b17e4f04..b2df7a9629 100644
> --- a/libavcodec/fmtconvert.h
> +++ b/libavcodec/fmtconvert.h
> @@ -37,16 +37,6 @@ typedef struct FmtConvertContext {
>       */
>      void (*int32_to_float_fmul_scalar)(float *dst, const int32_t *src,
>                                         float mul, int len);
> -    /**
> -     * Convert an array of int32_t to float.
> -     * @param dst destination array of float.
> -     *            constraints: 32-byte aligned
> -     * @param src source array of int32_t.
> -     *            constraints: 32-byte aligned
> -     * @param len number of elements to convert.
> -     *            constraints: multiple of 8
> -     */
> -    void (*int32_to_float)(float *dst, const int32_t *src, intptr_t len);
>  
>      /**
>       * Convert an array of int32_t to float and multiply by a float value from another array,

Seems like the last usage of this was removed in
46089967722f74e794865a044f5f682f26628802. This should be mentioned in
the commit message. LGTM apart from that; nice catch.

- Andreas
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