diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 48fd98dbc5..61befdfae2 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -1459,6 +1459,7 @@ end:
 static void jpeg2000_init_static_data(AVCodec *codec)
 {
     ff_jpeg2000_init_tier1_luts();
+    ff_mqc_init_context_tables();
 }
 
 #define OFFSET(x) offsetof(Jpeg2000DecoderContext, x)
diff --git a/libavcodec/mqc.c b/libavcodec/mqc.c
index 4a8ce0356c..60d87ba1a6 100644
--- a/libavcodec/mqc.c
+++ b/libavcodec/mqc.c
@@ -92,14 +92,9 @@ uint16_t ff_mqc_qe [2 * 47];
 uint8_t ff_mqc_nlps[2 * 47];
 uint8_t ff_mqc_nmps[2 * 47];
 
-void ff_mqc_init_contexts(MqcState *mqc)
+void ff_mqc_init_context_tables(void)
 {
     int i;
-    memset(mqc->cx_states, 0, sizeof(mqc->cx_states));
-    mqc->cx_states[MQC_CX_UNI] = 2 * 46;
-    mqc->cx_states[MQC_CX_RL]  = 2 * 3;
-    mqc->cx_states[0]          = 2 * 4;
-
     for (i = 0; i < 47; i++) {
         ff_mqc_qe[2 * i]     =
         ff_mqc_qe[2 * i + 1] = cx_states[i].qe;
@@ -110,3 +105,11 @@ void ff_mqc_init_contexts(MqcState *mqc)
         ff_mqc_nmps[2 * i + 1] = 2 * cx_states[i].nmps + 1;
     }
 }
+
+void ff_mqc_init_contexts(MqcState *mqc)
+{
+    memset(mqc->cx_states, 0, sizeof(mqc->cx_states));
+    mqc->cx_states[MQC_CX_UNI] = 2 * 46;
+    mqc->cx_states[MQC_CX_RL]  = 2 * 3;
+    mqc->cx_states[0]          = 2 * 4;
+}
diff --git a/libavcodec/mqc.h b/libavcodec/mqc.h
index 3b849c2351..a65433e2b2 100644
--- a/libavcodec/mqc.h
+++ b/libavcodec/mqc.h
@@ -64,6 +64,11 @@ int ff_mqc_decode(MqcState *mqc, uint8_t *cxstate);
 
 /* common */
 
+/**
+ * MQ-coder Initialize context tables (QE, NLPS, NMPS)
+ */
+void ff_mqc_init_context_tables(void);
+
 /**
  * MQ-coder context initialisations.
  * @param mqc       MQ-coder context