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 "src/utils/bit_mask_set.h" 21 #include "src/utils/types.h" 22 23 namespace libgav1 { 24 25 constexpr BitMaskSet kIsWedgeCompoundModeAllowed(kBlock8x8, kBlock8x16, 26 kBlock8x32, kBlock16x8, 27 kBlock16x16, kBlock16x32, 28 kBlock32x8, kBlock32x16, 29 kBlock32x32); 30 31 // This function generates wedge masks. It should be called only once for the 32 // decoder. If the video is key frame only, we don't have to call this 33 // function. Returns true on success, false on allocation failure. 34 // 7.11.3.11. 35 bool GenerateWedgeMask(WedgeMaskArray* wedge_masks); 36 37 } // namespace libgav1 38 #endif // LIBGAV1_SRC_PREDICTION_MASK_H_ 39