mpegvideo: treat delayed pictures as used

This requires to move the avcodec_default_free_buffers() call to
ff_MPV_common_end() since otherwise delayed pictures would get freed
during a size change.

1 files changed, 4 insertions, 4 deletions

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 42367e1e48..773c9e258b 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1008,9 +1008,6 @@ static int free_context_frame(MpegEncContext *s)
     for (i = 0; i < 3; i++)
         av_freep(&s->visualization_buffer[i]);
 
-    if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
-        avcodec_default_free_buffers(s->avctx);
-
     return 0;
 }
 
@@ -1126,6 +1123,9 @@ void ff_MPV_common_end(MpegEncContext *s)
 
     free_context_frame(s);
 
+    if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
+        avcodec_default_free_buffers(s->avctx);
+
     s->context_initialized      = 0;
     s->last_picture_ptr         =
     s->next_picture_ptr         =
@@ -1244,7 +1244,7 @@ static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
 {
     if (pic->f.data[0] == NULL)
         return 1;
-    if (pic->needs_realloc)
+    if (pic->needs_realloc && !(pic->f.reference & DELAYED_PIC_REF))
         if (!pic->owner2 || pic->owner2 == s)
             return 1;
     return 0;