avcodec/cbs_av1: add missing frame restoration type enum values

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/av1.h

@@ -160,4 +160,12 @@ enum {
     AV1_SCALABILITY_L4T7_KEY_SHIFT = 28,
 };
 
+// Frame Restoration types (section 6.10.15)
+enum {
+    AV1_RESTORE_NONE       = 0,
+    AV1_RESTORE_WIENER     = 1,
+    AV1_RESTORE_SGRPROJ    = 2,
+    AV1_RESTORE_SWITCHABLE = 3,
+};
+
 #endif /* AVCODEC_AV1_H */

libavcodec/cbs_av1_syntax_template.c

@@ -940,7 +940,7 @@ static int FUNC(lr_params)(CodedBitstreamContext *ctx, RWContext *rw,
     for (i = 0; i < priv->num_planes; i++) {
         fbs(2, lr_type[i], 1, i);
 
-        if (current->lr_type[i] != 0) {
+        if (current->lr_type[i] != AV1_RESTORE_NONE) {
             uses_lr = 1;
             if (i > 0)
                 uses_chroma_lr = 1;