diff --git a/libswscale/output.c b/libswscale/output.c
index 62cbe2ffaa..ea1ee54f3c 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -2184,7 +2184,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
     } else if (is16BPS(dstFormat)) {
         *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c  : yuv2planeX_16LE_c;
         *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c  : yuv2plane1_16LE_c;
-    } else if (is9_OR_10BPS(dstFormat)) {
+    } else if (isNBPS(dstFormat)) {
         if (desc->comp[0].depth == 9) {
             *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c  : yuv2planeX_9LE_c;
             *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c  : yuv2plane1_9LE_c;
diff --git a/libswscale/ppc/swscale_altivec.c b/libswscale/ppc/swscale_altivec.c
index 35a08c4793..9438a63ff2 100644
--- a/libswscale/ppc/swscale_altivec.c
+++ b/libswscale/ppc/swscale_altivec.c
@@ -337,7 +337,7 @@ av_cold void ff_sws_init_swscale_ppc(SwsContext *c)
     if (c->srcBpc == 8 && c->dstBpc <= 14) {
         c->hyScale = c->hcScale = hScale_altivec_real;
     }
-    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) &&
+    if (!is16BPS(dstFormat) && !isNBPS(dstFormat) &&
         dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
         !c->needAlpha) {
         c->yuv2planeX = yuv2planeX_altivec;
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index c3a8d0efd4..eb2f182ce6 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -254,7 +254,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
     yuv2anyX_fn yuv2anyX             = c->yuv2anyX;
     const int chrSrcSliceY           =                srcSliceY >> c->chrSrcVSubSample;
     const int chrSrcSliceH           = AV_CEIL_RSHIFT(srcSliceH,   c->chrSrcVSubSample);
-    int should_dither                = is9_OR_10BPS(c->srcFormat) ||
+    int should_dither                = isNBPS(c->srcFormat) ||
                                        is16BPS(c->srcFormat);
     int lastDstY;
 
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 54cd85cce3..a892a4f97c 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -652,15 +652,13 @@ static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
     return desc->comp[0].depth == 16;
 }
 
-static av_always_inline int is9_OR_10BPS(enum AVPixelFormat pix_fmt)
+static av_always_inline int isNBPS(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     av_assert0(desc);
     return desc->comp[0].depth >= 9 && desc->comp[0].depth <= 14;
 }
 
-#define isNBPS(x) is9_OR_10BPS(x)
-
 static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
diff --git a/libswscale/x86/swscale_template.c b/libswscale/x86/swscale_template.c
index 1a102271c1..b8bdcd4d03 100644
--- a/libswscale/x86/swscale_template.c
+++ b/libswscale/x86/swscale_template.c
@@ -1499,7 +1499,7 @@ static av_cold void RENAME(sws_init_swscale)(SwsContext *c)
     enum AVPixelFormat dstFormat = c->dstFormat;
 
     c->use_mmx_vfilter= 0;
-    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) && dstFormat != AV_PIX_FMT_NV12
+    if (!is16BPS(dstFormat) && !isNBPS(dstFormat) && dstFormat != AV_PIX_FMT_NV12
         && dstFormat != AV_PIX_FMT_NV21 && !(c->flags & SWS_BITEXACT)) {
             if (c->flags & SWS_ACCURATE_RND) {
                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {