avcodec: Constify frame->data pointers for encoders where possible

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c
index f776d25b91..e1fd5fa608 100644
--- a/libavcodec/vc2enc.c
+++ b/libavcodec/vc2enc.c
@@ -117,7 +117,7 @@ typedef struct SliceArgs {
 typedef struct TransformArgs {
     void *ctx;
     Plane *plane;
-    void *idata;
+    const void *idata;
     ptrdiff_t istride;
     int field;
     VC2TransformContext t;