diff --git a/libavfilter/asrc_aevalsrc.c b/libavfilter/asrc_aevalsrc.c
index b0d885abe4..3f71ac33d8 100644
--- a/libavfilter/asrc_aevalsrc.c
+++ b/libavfilter/asrc_aevalsrc.c
@@ -81,7 +81,7 @@ static const AVOption aevalsrc_options[]= {
 
 AVFILTER_DEFINE_CLASS(aevalsrc);
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     EvalContext *eval = ctx->priv;
     char *args1 = av_strdup(eval->exprs);
diff --git a/libavfilter/asrc_anullsrc.c b/libavfilter/asrc_anullsrc.c
index a8aab7490c..4f76759419 100644
--- a/libavfilter/asrc_anullsrc.c
+++ b/libavfilter/asrc_anullsrc.c
@@ -59,7 +59,7 @@ static const AVOption anullsrc_options[]= {
 
 AVFILTER_DEFINE_CLASS(anullsrc);
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     ANullContext *null = ctx->priv;
     int ret;
diff --git a/libavfilter/f_interleave.c b/libavfilter/f_interleave.c
index 033bc62a34..6935855269 100644
--- a/libavfilter/f_interleave.c
+++ b/libavfilter/f_interleave.c
@@ -102,7 +102,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
     return push_frame(ctx);
 }
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     InterleaveContext *interleave = ctx->priv;
     const AVFilterPad *outpad = &ctx->filter->outputs[0];
diff --git a/libavfilter/trim.c b/libavfilter/trim.c
index 9864c1fa62..bcadca3244 100644
--- a/libavfilter/trim.c
+++ b/libavfilter/trim.c
@@ -74,7 +74,7 @@ typedef struct TrimContext {
     int eof;
 } TrimContext;
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     TrimContext *s = ctx->priv;
 
diff --git a/libavfilter/vf_extractplanes.c b/libavfilter/vf_extractplanes.c
index 52dffccdcb..7c04a781cb 100644
--- a/libavfilter/vf_extractplanes.c
+++ b/libavfilter/vf_extractplanes.c
@@ -251,7 +251,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
     return ret;
 }
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     ExtractPlanesContext *e = ctx->priv;
     int planes = (e->requested_planes & 0xf) | (e->requested_planes >> 4);
@@ -311,7 +311,7 @@ AVFilter avfilter_vf_extractplanes = {
 
 #if CONFIG_ALPHAEXTRACT_FILTER
 
-static int init_alphaextract(AVFilterContext *ctx)
+static av_cold int init_alphaextract(AVFilterContext *ctx)
 {
     ExtractPlanesContext *e = ctx->priv;
 
diff --git a/libavfilter/vf_noise.c b/libavfilter/vf_noise.c
index bd5b6f05e2..8eb3ee19b6 100644
--- a/libavfilter/vf_noise.c
+++ b/libavfilter/vf_noise.c
@@ -98,7 +98,7 @@ AVFILTER_DEFINE_CLASS(noise);
 static const int8_t patt[4] = { -1, 0, 1, 0 };
 
 #define RAND_N(range) ((int) ((double) range * av_lfg_get(lfg) / (UINT_MAX + 1.0)))
-static int init_noise(NoiseContext *n, int comp)
+static av_cold int init_noise(NoiseContext *n, int comp)
 {
     int8_t *noise = av_malloc(MAX_NOISE * sizeof(int8_t));
     FilterParams *fp = &n->param[comp];
diff --git a/libavfilter/vsrc_cellauto.c b/libavfilter/vsrc_cellauto.c
index c8b0b76eb8..e7bc515104 100644
--- a/libavfilter/vsrc_cellauto.c
+++ b/libavfilter/vsrc_cellauto.c
@@ -159,7 +159,7 @@ static int init_pattern_from_file(AVFilterContext *ctx)
     return init_pattern_from_string(ctx);
 }
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     CellAutoContext *cellauto = ctx->priv;
     int ret;
diff --git a/libavfilter/vsrc_life.c b/libavfilter/vsrc_life.c
index 26bd38b2a3..85ebc0eb02 100644
--- a/libavfilter/vsrc_life.c
+++ b/libavfilter/vsrc_life.c
@@ -217,7 +217,7 @@ static int init_pattern_from_file(AVFilterContext *ctx)
     return 0;
 }
 
-static int init(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
 {
     LifeContext *life = ctx->priv;
     int ret;