1 /* 2 * Copyright 2019 The libgav1 Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef LIBGAV1_SRC_PREDICTION_MASK_H_ 18 #define LIBGAV1_SRC_PREDICTION_MASK_H_ 19 20 #include <cstddef> 21 #include <cstdint> 22 23 #include "src/utils/bit_mask_set.h" 24 #include "src/utils/types.h" 25 26 namespace libgav1 { 27 28 constexpr BitMaskSet kIsWedgeCompoundModeAllowed(kBlock8x8, kBlock8x16, 29 kBlock8x32, kBlock16x8, 30 kBlock16x16, kBlock16x32, 31 kBlock32x8, kBlock32x16, 32 kBlock32x32); 33 34 // This function generates wedge masks. It should be called only once for the 35 // decoder. If the video is key frame only, we don't have to call this 36 // function. Returns true on success, false on allocation failure. 37 // 7.11.3.11. 38 bool GenerateWedgeMask(WedgeMaskArray* wedge_masks); 39 40 } // namespace libgav1 41 #endif // LIBGAV1_SRC_PREDICTION_MASK_H_ 42