xref: /aosp_15_r20/external/libgav1/src/prediction_mask.h (revision 095378508e87ed692bf8dfeb34008b65b3735891)
1*09537850SAkhilesh Sanikop /*
2*09537850SAkhilesh Sanikop  * Copyright 2019 The libgav1 Authors
3*09537850SAkhilesh Sanikop  *
4*09537850SAkhilesh Sanikop  * Licensed under the Apache License, Version 2.0 (the "License");
5*09537850SAkhilesh Sanikop  * you may not use this file except in compliance with the License.
6*09537850SAkhilesh Sanikop  * You may obtain a copy of the License at
7*09537850SAkhilesh Sanikop  *
8*09537850SAkhilesh Sanikop  *      http://www.apache.org/licenses/LICENSE-2.0
9*09537850SAkhilesh Sanikop  *
10*09537850SAkhilesh Sanikop  * Unless required by applicable law or agreed to in writing, software
11*09537850SAkhilesh Sanikop  * distributed under the License is distributed on an "AS IS" BASIS,
12*09537850SAkhilesh Sanikop  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*09537850SAkhilesh Sanikop  * See the License for the specific language governing permissions and
14*09537850SAkhilesh Sanikop  * limitations under the License.
15*09537850SAkhilesh Sanikop  */
16*09537850SAkhilesh Sanikop 
17*09537850SAkhilesh Sanikop #ifndef LIBGAV1_SRC_PREDICTION_MASK_H_
18*09537850SAkhilesh Sanikop #define LIBGAV1_SRC_PREDICTION_MASK_H_
19*09537850SAkhilesh Sanikop 
20*09537850SAkhilesh Sanikop #include "src/utils/bit_mask_set.h"
21*09537850SAkhilesh Sanikop #include "src/utils/types.h"
22*09537850SAkhilesh Sanikop 
23*09537850SAkhilesh Sanikop namespace libgav1 {
24*09537850SAkhilesh Sanikop 
25*09537850SAkhilesh Sanikop constexpr BitMaskSet kIsWedgeCompoundModeAllowed(kBlock8x8, kBlock8x16,
26*09537850SAkhilesh Sanikop                                                  kBlock8x32, kBlock16x8,
27*09537850SAkhilesh Sanikop                                                  kBlock16x16, kBlock16x32,
28*09537850SAkhilesh Sanikop                                                  kBlock32x8, kBlock32x16,
29*09537850SAkhilesh Sanikop                                                  kBlock32x32);
30*09537850SAkhilesh Sanikop 
31*09537850SAkhilesh Sanikop // This function generates wedge masks. It should be called only once for the
32*09537850SAkhilesh Sanikop // decoder. If the video is key frame only, we don't have to call this
33*09537850SAkhilesh Sanikop // function. Returns true on success, false on allocation failure.
34*09537850SAkhilesh Sanikop // 7.11.3.11.
35*09537850SAkhilesh Sanikop bool GenerateWedgeMask(WedgeMaskArray* wedge_masks);
36*09537850SAkhilesh Sanikop 
37*09537850SAkhilesh Sanikop }  // namespace libgav1
38*09537850SAkhilesh Sanikop #endif  // LIBGAV1_SRC_PREDICTION_MASK_H_
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