swscale: Add av_cold attributes to init functions missing them

libswscale/rgb2rgb_template.c

@@ -26,6 +26,8 @@
 
 #include <stddef.h>
 
+#include "libavutil/attributes.h"
+
 static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst,
                                   int src_size)
 {
@@ -907,7 +909,7 @@ static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
     }
 }
 
-static inline void rgb2rgb_init_c(void)
+static av_cold void rgb2rgb_init_c(void)
 {
     rgb15to16          = rgb15to16_c;
     rgb15tobgr24       = rgb15tobgr24_c;

libswscale/utils.c

@@ -208,11 +208,12 @@ static double getSplineCoeff(double a, double b, double c, double d,
                               dist - 1.0);
 }
 
-static int initFilter(int16_t **outFilter, int32_t **filterPos,
-                      int *outFilterSize, int xInc, int srcW, int dstW,
-                      int filterAlign, int one, int flags, int cpu_flags,
-                      SwsVector *srcFilter, SwsVector *dstFilter,
-                      double param[2], int is_horizontal)
+static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
+                              int *outFilterSize, int xInc, int srcW,
+                              int dstW, int filterAlign, int one,
+                              int flags, int cpu_flags,
+                              SwsVector *srcFilter, SwsVector *dstFilter,
+                              double param[2], int is_horizontal)
 {
     int i;
     int filterSize;
@@ -600,9 +601,9 @@ fail:
 }
 
 #if HAVE_MMXEXT_INLINE
-static int init_hscaler_mmxext(int dstW, int xInc, uint8_t *filterCode,
-                               int16_t *filter, int32_t *filterPos,
-                               int numSplits)
+static av_cold int init_hscaler_mmxext(int dstW, int xInc, uint8_t *filterCode,
+                                       int16_t *filter, int32_t *filterPos,
+                                       int numSplits)
 {
     uint8_t *fragmentA;
     x86_reg imm8OfPShufW1A;

libswscale/x86/rgb2rgb_template.c

@@ -26,6 +26,8 @@
 
 #include <stddef.h>
 
+#include "libavutil/attributes.h"
+
 #undef PREFETCH
 #undef MOVNTQ
 #undef EMMS
@@ -2465,7 +2467,7 @@ static void RENAME(uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, co
 #endif /* !COMPILE_TEMPLATE_AMD3DNOW */
 #endif /* !COMPILE_TEMPLATE_SSE2 */
 
-static inline void RENAME(rgb2rgb_init)(void)
+static av_cold void RENAME(rgb2rgb_init)(void)
 {
 #if !COMPILE_TEMPLATE_SSE2
 #if !COMPILE_TEMPLATE_AMD3DNOW