fixed inter-thread conflict for codec access

1 files changed, 25 insertions, 0 deletions

diff --git a/codec.c b/codec.c
index e69de29b..5beaa43b 100644
--- a/codec.c
+++ b/codec.c
@@ -0,0 +1,25 @@
+#include "codec.h"
+#include "threading.h"
+
+static uintptr_t mutex;
+
+void
+codec_init_locking (void) {
+    mutex = mutex_create ();
+}
+
+void
+codec_free_locking (void) {
+    mutex_free (mutex);
+}
+
+void
+codec_lock (void) {
+    mutex_lock (mutex);
+}
+
+void
+codec_unlock (void) {
+    mutex_unlock (mutex);
+}
+