diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 1e1d5fa300..84d5bee5ff 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -698,45 +698,49 @@ static av_always_inline int isGray(enum AVPixelFormat pix_fmt)
            pix_fmt != AV_PIX_FMT_MONOWHITE;
 }
 
-#define isRGBinInt(x)                  \
-    ((x) == AV_PIX_FMT_RGB48BE     ||  \
-     (x) == AV_PIX_FMT_RGB48LE     ||  \
-     (x) == AV_PIX_FMT_RGB32       ||  \
-     (x) == AV_PIX_FMT_RGB32_1     ||  \
-     (x) == AV_PIX_FMT_RGB24       ||  \
-     (x) == AV_PIX_FMT_RGB565BE    ||  \
-     (x) == AV_PIX_FMT_RGB565LE    ||  \
-     (x) == AV_PIX_FMT_RGB555BE    ||  \
-     (x) == AV_PIX_FMT_RGB555LE    ||  \
-     (x) == AV_PIX_FMT_RGB444BE    ||  \
-     (x) == AV_PIX_FMT_RGB444LE    ||  \
-     (x) == AV_PIX_FMT_RGB8        ||  \
-     (x) == AV_PIX_FMT_RGB4        ||  \
-     (x) == AV_PIX_FMT_RGB4_BYTE   ||  \
-     (x) == AV_PIX_FMT_RGBA64BE    ||  \
-     (x) == AV_PIX_FMT_RGBA64LE    ||  \
-     (x) == AV_PIX_FMT_MONOBLACK   ||  \
-     (x) == AV_PIX_FMT_MONOWHITE)
+static av_always_inline int isRGBinInt(enum AVPixelFormat pix_fmt)
+{
+    return pix_fmt == AV_PIX_FMT_RGB48BE     ||
+           pix_fmt == AV_PIX_FMT_RGB48LE     ||
+           pix_fmt == AV_PIX_FMT_RGB32       ||
+           pix_fmt == AV_PIX_FMT_RGB32_1     ||
+           pix_fmt == AV_PIX_FMT_RGB24       ||
+           pix_fmt == AV_PIX_FMT_RGB565BE    ||
+           pix_fmt == AV_PIX_FMT_RGB565LE    ||
+           pix_fmt == AV_PIX_FMT_RGB555BE    ||
+           pix_fmt == AV_PIX_FMT_RGB555LE    ||
+           pix_fmt == AV_PIX_FMT_RGB444BE    ||
+           pix_fmt == AV_PIX_FMT_RGB444LE    ||
+           pix_fmt == AV_PIX_FMT_RGB8        ||
+           pix_fmt == AV_PIX_FMT_RGB4        ||
+           pix_fmt == AV_PIX_FMT_RGB4_BYTE   ||
+           pix_fmt == AV_PIX_FMT_RGBA64BE    ||
+           pix_fmt == AV_PIX_FMT_RGBA64LE    ||
+           pix_fmt == AV_PIX_FMT_MONOBLACK   ||
+           pix_fmt == AV_PIX_FMT_MONOWHITE;
+}
 
-#define isBGRinInt(x)                  \
-    ((x) == AV_PIX_FMT_BGR48BE     ||  \
-     (x) == AV_PIX_FMT_BGR48LE     ||  \
-     (x) == AV_PIX_FMT_BGR32       ||  \
-     (x) == AV_PIX_FMT_BGR32_1     ||  \
-     (x) == AV_PIX_FMT_BGR24       ||  \
-     (x) == AV_PIX_FMT_BGR565BE    ||  \
-     (x) == AV_PIX_FMT_BGR565LE    ||  \
-     (x) == AV_PIX_FMT_BGR555BE    ||  \
-     (x) == AV_PIX_FMT_BGR555LE    ||  \
-     (x) == AV_PIX_FMT_BGR444BE    ||  \
-     (x) == AV_PIX_FMT_BGR444LE    ||  \
-     (x) == AV_PIX_FMT_BGR8        ||  \
-     (x) == AV_PIX_FMT_BGR4        ||  \
-     (x) == AV_PIX_FMT_BGR4_BYTE   ||  \
-     (x) == AV_PIX_FMT_BGRA64BE    ||  \
-     (x) == AV_PIX_FMT_BGRA64LE    ||  \
-     (x) == AV_PIX_FMT_MONOBLACK   ||  \
-     (x) == AV_PIX_FMT_MONOWHITE)
+static av_always_inline int isBGRinInt(enum AVPixelFormat pix_fmt)
+{
+    return pix_fmt == AV_PIX_FMT_BGR48BE     ||
+           pix_fmt == AV_PIX_FMT_BGR48LE     ||
+           pix_fmt == AV_PIX_FMT_BGR32       ||
+           pix_fmt == AV_PIX_FMT_BGR32_1     ||
+           pix_fmt == AV_PIX_FMT_BGR24       ||
+           pix_fmt == AV_PIX_FMT_BGR565BE    ||
+           pix_fmt == AV_PIX_FMT_BGR565LE    ||
+           pix_fmt == AV_PIX_FMT_BGR555BE    ||
+           pix_fmt == AV_PIX_FMT_BGR555LE    ||
+           pix_fmt == AV_PIX_FMT_BGR444BE    ||
+           pix_fmt == AV_PIX_FMT_BGR444LE    ||
+           pix_fmt == AV_PIX_FMT_BGR8        ||
+           pix_fmt == AV_PIX_FMT_BGR4        ||
+           pix_fmt == AV_PIX_FMT_BGR4_BYTE   ||
+           pix_fmt == AV_PIX_FMT_BGRA64BE    ||
+           pix_fmt == AV_PIX_FMT_BGRA64LE    ||
+           pix_fmt == AV_PIX_FMT_MONOBLACK   ||
+           pix_fmt == AV_PIX_FMT_MONOWHITE;
+}
 
 static av_always_inline int isBayer(enum AVPixelFormat pix_fmt)
 {