Signed-off-by: Muhammad Faiz <mfc...@gmail.com>
---
libavformat/allformats.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 35869e3..e91a59b 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -19,6 +19,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <stdatomic.h>
+
#include "avformat.h"
#include "rtp.h"
#include "rdt.h"
@@ -43,10 +45,14 @@
void av_register_all(void)
{
- static int initialized;
+ static atomic_int initialized;
+ static atomic_int ready;
- if (initialized)
+ if (atomic_exchange_explicit(&initialized, 1, memory_order_relaxed)) {
+ while (!atomic_load_explicit(&ready, memory_order_relaxed))
+ ;
return;
+ }
avcodec_register_all();
@@ -384,5 +390,5 @@ void av_register_all(void)
REGISTER_MUXDEMUX(LIBNUT, libnut);
REGISTER_DEMUXER (LIBOPENMPT, libopenmpt);
- initialized = 1;
+ atomic_store_explicit(&ready, 1, memory_order_relaxed);
}
--
2.9.3
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