swr: add av_cold to init/free functions

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswresample/rematrix.c

@@ -133,7 +133,7 @@ static int sane_layout(int64_t layout){
     return 1;
 }
 
-static int auto_matrix(SwrContext *s)
+av_cold static int auto_matrix(SwrContext *s)
 {
     int i, j, out_i;
     double matrix[64][64]={{0}};
@@ -349,7 +349,7 @@ static int auto_matrix(SwrContext *s)
     return 0;
 }
 
-int swri_rematrix_init(SwrContext *s){
+av_cold int swri_rematrix_init(SwrContext *s){
     int i, j;
     int nb_in  = av_get_channel_layout_nb_channels(s->in_ch_layout);
     int nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
@@ -409,7 +409,7 @@ int swri_rematrix_init(SwrContext *s){
     return 0;
 }
 
-void swri_rematrix_free(SwrContext *s){
+av_cold void swri_rematrix_free(SwrContext *s){
     av_freep(&s->native_matrix);
     av_freep(&s->native_one);
     av_freep(&s->native_simd_matrix);

libswresample/swresample.c

@@ -144,7 +144,7 @@ const AVClass *swr_get_class(void)
     return &av_class;
 }
 
-struct SwrContext *swr_alloc(void){
+av_cold struct SwrContext *swr_alloc(void){
     SwrContext *s= av_mallocz(sizeof(SwrContext));
     if(s){
         s->av_class= &av_class;
@@ -187,7 +187,7 @@ static void free_temp(AudioData *a){
     memset(a, 0, sizeof(*a));
 }
 
-void swr_free(SwrContext **ss){
+av_cold void swr_free(SwrContext **ss){
     SwrContext *s= *ss;
     if(s){
         free_temp(&s->postin);
@@ -205,7 +205,7 @@ void swr_free(SwrContext **ss){
     av_freep(ss);
 }
 
-int swr_init(struct SwrContext *s){
+av_cold int swr_init(struct SwrContext *s){
     s->in_buffer_index= 0;
     s->in_buffer_count= 0;
     s->resample_in_constraint= 0;

libswresample/x86/swresample_x86.c

@@ -30,7 +30,7 @@ PROTO4(_pack_2ch)
 PROTO4(_pack_6ch)
 PROTO4(_unpack_2ch)
 
-void swri_audio_convert_init_x86(struct AudioConvert *ac,
+av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac,
                                  enum AVSampleFormat out_fmt,
                                  enum AVSampleFormat in_fmt,
                                  int channels){
@@ -149,7 +149,7 @@ D(int16, mmx)
 D(int16, sse2)
 
 
-void swri_rematrix_init_x86(struct SwrContext *s){
+av_cold void swri_rematrix_init_x86(struct SwrContext *s){
     int mm_flags = av_get_cpu_flags();
     int nb_in  = av_get_channel_layout_nb_channels(s->in_ch_layout);
     int nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);