swscale: Kill non-compiling disabled cruft

libswscale/swscale_internal.h

@@ -600,11 +600,6 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
     return (desc->flags & AV_PIX_FMT_FLAG_RGB);
 }
 
-#if 0 // FIXME
-#define isGray(x) \
-    (!(av_pix_fmt_descriptors[x].flags & AV_PIX_FMT_FLAG_PAL) && \
-     av_pix_fmt_descriptors[x].nb_components <= 2)
-#else
 #define isGray(x)                      \
     ((x) == AV_PIX_FMT_GRAY8       ||  \
      (x) == AV_PIX_FMT_YA8         ||  \
@@ -612,7 +607,6 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
      (x) == AV_PIX_FMT_GRAY16LE    ||  \
      (x) == AV_PIX_FMT_YA16BE      ||  \
      (x) == AV_PIX_FMT_YA16LE)
-#endif
 
 #define isRGBinInt(x)                  \
     ((x) == AV_PIX_FMT_RGB48BE     ||  \

libswscale/utils.c

@@ -372,13 +372,6 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
                     }
                     coeff *= fone >> (30 + 24);
                 }
-#if 0
-                else if (flags & SWS_X) {
-                    double p  = param ? param * 0.01 : 0.3;
-                    coeff     = d ? sin(d * M_PI) / (d * M_PI) : 1.0;
-                    coeff    *= pow(2.0, -p * d * d);
-                }
-#endif
                 else if (flags & SWS_X) {
                     double A = param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
                     double c;