X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpegaudiodsp.c;h=3cafca27bfd8af74716b5f855804fb01e3a60ffc;hb=24cc0a53e99e281b0ff502e82e7cf857111eca3f;hp=a5d20df629095203f44206d5bb5b10d965607cc9;hpb=040a92c21f2a5fa1570521620acb600af0e058a6;p=ffmpeg

diff --git a/libavcodec/mpegaudiodsp.c b/libavcodec/mpegaudiodsp.c
index a5d20df6290..3cafca27bfd 100644
--- a/libavcodec/mpegaudiodsp.c
+++ b/libavcodec/mpegaudiodsp.c
@@ -20,17 +20,21 @@
 
 #include "config.h"
 #include "libavutil/attributes.h"
+#include "libavutil/thread.h"
 #include "mpegaudiodsp.h"
 #include "dct.h"
 #include "dct32.h"
 
+static AVOnce mpadsp_float_table_init = AV_ONCE_INIT;
+static AVOnce mpadsp_fixed_table_init = AV_ONCE_INIT;
+
 av_cold void ff_mpadsp_init(MPADSPContext *s)
 {
     DCTContext dct;
 
     ff_dct_init(&dct, 5, DCT_II);
-    ff_init_mpadsp_tabs_float();
-    ff_init_mpadsp_tabs_fixed();
+    ff_thread_once(&mpadsp_float_table_init, &ff_init_mpadsp_tabs_float);
+    ff_thread_once(&mpadsp_fixed_table_init, &ff_init_mpadsp_tabs_fixed);
 
     s->apply_window_float = ff_mpadsp_apply_window_float;
     s->apply_window_fixed = ff_mpadsp_apply_window_fixed;