/****************************************************************************** * * * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ #ifndef IXHEAAC_CONSTANTS_H #define IXHEAAC_CONSTANTS_H /*****************************************************************************/ /* constant macros */ /*****************************************************************************/ #define Q0 1 #define Q1 2 #define Q2 4 #define Q3 8 #define Q4 16 #define Q5 32 #define Q6 64 #define Q7 128 #define Q8 256 #define Q9 512 #define Q10 1024 #define Q11 2048 #define Q14 16384 #define Q15 32768 #define Q16 65536 #define Q18 262144 #define Q19 524288 #define Q20 1048576 #define Q24 16777216 #define Q25 33554432 #define Q26 67108864 #define Q28 268435456 #define Q29 536870912 #define Q30 1073741824 #define Q31 2147483647 #define Q32 4294967296 #define Q35 34359738368 #define Q38 274877906944 #define Q39 549755813887 #define Q40 Q39 #define MAX_64 (WORD64)0x7fffffffffffffff #define MIN_64 (WORD64)0x8000000000000000 #define MAX_32 (WORD32)0x7fffffffL #define MIN_32 (WORD32)0x80000000L #define MAX_16 (WORD16)0x7fff #define MIN_16 (WORD16)0x8000 #define NULLPTR ((VOID *)0) #define IT_NULL ((VOID *)0) #define ADJ_SCALE 11 /*****************************************************************************/ /* function macros */ /*****************************************************************************/ #define max(a, b) (((a) > (b)) ? (a) : (b)) #define min(a, b) (((a) < (b)) ? (a) : (b)) #define C70 (-0.1666667014f) //(cos(u) + cos(2 * u) + cos(3 * u)) / 3; #define C71 (0.7901564837f) //(2 * cos(u) - cos(2 * u) - cos(3 * u)) / 3; #define C72 (0.0558542535f) //(cos(u) - 2 * cos(2 * u) + cos(3 * u)) / 3; #define C73 (0.7343022227f) //(cos(u) + cos(2 * u) - 2 * cos(3 * u)) / 3; #define C74 (-0.4409585893f) //(sin(u) + sin(2 * u) - sin(3 * u)) / 3; #define C75 (-0.3408728838f) //(2 * sin(u) - sin(2 * u) + sin(3 * u)) / 3; #define C76 (0.5339693427f) //(sin(u) - 2 * sin(2 * u) - sin(3 * u)) / 3; #define C77 (-0.8748422265f) //(sin(u) + sin(2 * u) + 2 * sin(3 * u)) / 3; #define BYTE_ALIGN_8 (8) #define IXHEAAC_GET_SIZE_ALIGNED(size, alignment) ((size + (alignment - 1)) & ~(alignment - 1)) #define IXHEAAC_GET_SIZE_ALIGNED_TYPE(num_ele, ele_size, alignment) \ ((((num_ele * ele_size) + (alignment - 1)) & ~(alignment - 1)) / ele_size) #endif /* IXHEAAC_CONSTANTS_H */