qsv{dec,enc}: always use an internal mfxFrameSurface1

For encoding, this avoids modifying the input surface, which we are not
allowed to do.
This will also be useful in the following commits.

Signed-off-by: Maxym Dmytrychenko <maxym.dmytrychenko@intel.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
index 41f4c3ddf6..5b015a619d 100644
--- a/libavcodec/qsv_internal.h
+++ b/libavcodec/qsv_internal.h
@@ -38,11 +38,10 @@
 
 typedef struct QSVFrame {
     AVFrame *frame;
-    mfxFrameSurface1 *surface;
-
-    mfxFrameSurface1 surface_internal;
+    mfxFrameSurface1 surface;
 
     int queued;
+    int used;
 
     struct QSVFrame *next;
 } QSVFrame;