avcodec/mpegvideo: Move parent to MPVEncContext

This is more type-safe and avoids having parent contexts
when unnecessary.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index ce9315c1b8..6e9533ebc9 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1024,6 +1024,7 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
     /* ff_mpv_common_init() will copy (memdup) the contents of the main slice
      * to the slice contexts, so we initialize various fields of it
      * before calling ff_mpv_common_init(). */
+    s->parent = m;
     ff_mpv_idct_init(&s->c);
     init_unquantize(&s->c, avctx);
     ff_fdctdsp_init(&s->fdsp, avctx);