diff --git a/libswresample/dither.c b/libswresample/dither.c
index 8121f11c2f0697191cfd465d21dc961dfb79f312..ca09e67f4db84634922d3a3c0909e688030663dc 100644
--- a/libswresample/dither.c
+++ b/libswresample/dither.c
@@ -72,7 +72,7 @@ void swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSa
     av_free(tmp);
 }
 
-int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt)
+av_cold int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt)
 {
     int i;
     double scale = 0;
diff --git a/libswresample/x86/resample_init.c b/libswresample/x86/resample_init.c
index 99f5e140401b8eb7967f2b76e73b43825b3f9fa6..93001d65cbb620bc176df5220bc24d06ecfc49a4 100644
--- a/libswresample/x86/resample_init.c
+++ b/libswresample/x86/resample_init.c
@@ -43,7 +43,7 @@ RESAMPLE_FUNCS(float,  fma3);
 RESAMPLE_FUNCS(float,  fma4);
 RESAMPLE_FUNCS(double, sse2);
 
-void swri_resample_dsp_x86_init(ResampleContext *c)
+av_cold void swri_resample_dsp_x86_init(ResampleContext *c)
 {
     int av_unused mm_flags = av_get_cpu_flags();