diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c
index 9d3390cec4..a4aaad6ef0 100644
--- a/libavcodec/intrax8.c
+++ b/libavcodec/intrax8.c
@@ -733,13 +733,15 @@ static void x8_init_block_index(IntraX8Context *w, AVFrame *frame, int mb_y)
     w->dest[2] += (mb_y & (~1)) * uvlinesize << 2;
 }
 
-av_cold int ff_intrax8_common_init(IntraX8Context *w, IDCTDSPContext *idsp,
+av_cold int ff_intrax8_common_init(AVCodecContext *avctx,
+                                   IntraX8Context *w, IDCTDSPContext *idsp,
                                    MpegEncContext *const s)
 {
     int ret = x8_vlc_init();
     if (ret < 0)
         return ret;
 
+    w->avctx = avctx;
     w->idsp = *idsp;
     w->s = s;
 
diff --git a/libavcodec/intrax8.h b/libavcodec/intrax8.h
index 988f0c10ec..af19582190 100644
--- a/libavcodec/intrax8.h
+++ b/libavcodec/intrax8.h
@@ -38,6 +38,7 @@ typedef struct IntraX8Context {
     ScanTable scantable[3];
     WMV2DSPContext wdsp;
     uint8_t idct_permutation[64];
+    AVCodecContext *avctx;
 
     //set by the caller codec
     MpegEncContext * s;
@@ -70,12 +71,14 @@ typedef struct IntraX8Context {
 /**
  * Initialize IntraX8 frame decoder.
  * Requires valid MpegEncContext with valid s->mb_width before calling.
+ * @param avctx pointer to AVCodecContext
  * @param w pointer to IntraX8Context
  * @param idsp pointer to IDCTDSPContext
  * @param s pointer to MpegEncContext of the parent codec
  * @return 0 on success, a negative AVERROR value on error
  */
-int ff_intrax8_common_init(IntraX8Context *w, IDCTDSPContext *idsp,
+int ff_intrax8_common_init(AVCodecContext *avctx,
+                           IntraX8Context *w, IDCTDSPContext *idsp,
                            MpegEncContext *const s);
 
 /**
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 25251c820e..786c6dbefc 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -387,7 +387,7 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
                 return AVERROR(ENOMEM);
     }
 
-    ret = ff_intrax8_common_init(&v->x8, &s->idsp, s);
+    ret = ff_intrax8_common_init(s->avctx, &v->x8, &s->idsp, s);
     if (ret < 0)
         goto error;
 
diff --git a/libavcodec/wmv2dec.c b/libavcodec/wmv2dec.c
index 629dc80ff8..67a06b6b02 100644
--- a/libavcodec/wmv2dec.c
+++ b/libavcodec/wmv2dec.c
@@ -468,7 +468,7 @@ static av_cold int wmv2_decode_init(AVCodecContext *avctx)
 
     ff_wmv2_common_init(w);
 
-    return ff_intrax8_common_init(&w->x8, &w->s.idsp, &w->s);
+    return ff_intrax8_common_init(avctx, &w->x8, &w->s.idsp, &w->s);
 }
 
 static av_cold int wmv2_decode_end(AVCodecContext *avctx)