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102 lines
2.7 KiB
102 lines
2.7 KiB
/****************************************************************************** |
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* |
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* Copyright (C) 2015 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at: |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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***************************************************************************** |
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
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*/ |
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/** |
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******************************************************************************* |
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* @file |
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* ih264_platform_macros.h |
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* |
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* @brief |
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* Platform specific Macro definitions used in the codec |
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* |
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* @author |
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* Ittiam |
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* |
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* @remarks |
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* None |
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* |
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******************************************************************************* |
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*/ |
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#ifndef _IH264_PLATFORM_MACROS_H_ |
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#define _IH264_PLATFORM_MACROS_H_ |
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#define CLIP_U8(x) CLIP3(0, 255, (x)) |
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#define CLIP_S8(x) CLIP3(-128, 127, (x)) |
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#define CLIP_U10(x) CLIP3(0, 1023, (x)) |
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#define CLIP_S10(x) CLIP3(-512, 511, (x)) |
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#define CLIP_U12(x) CLIP3(0, 4095, (x)) |
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#define CLIP_S12(x) CLIP3(-2048, 2047, (x)) |
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#define CLIP_U16(x) CLIP3(0, 65535, (x)) |
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#define CLIP_S16(x) CLIP3(-32768, 32767, (x)) |
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#define MEM_ALIGN16 __attribute__ ((aligned (16))) |
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#define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0) |
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#define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0) |
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#define SHR_NEG(val,shift) ((shift>0)?(val>>shift):(val<<(-shift))) |
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#define SHL_NEG(val,shift) ((shift<0)?(val>>(-shift)):(val<<shift)) |
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#define ITT_BIG_ENDIAN(x) ((x << 24)) | \ |
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((x & 0x0000ff00) << 8) | \ |
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((x & 0x00ff0000) >> 8) | \ |
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((UWORD32)x >> 24); |
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#define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++);} |
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#define PLD(a) |
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static __inline UWORD32 CLZ(UWORD32 u4_word) |
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{ |
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if(u4_word) |
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return(__builtin_clz(u4_word)); |
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else |
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return 32; |
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} |
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static __inline UWORD32 CTZ(UWORD32 u4_word) |
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{ |
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if(0 == u4_word) |
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return 31; |
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else |
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{ |
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unsigned int index; |
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index = __builtin_ctz(u4_word); |
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return (UWORD32)index; |
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} |
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} |
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#define DATA_SYNC() |
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#define INLINE |
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#define PREFETCH(ptr, type) |
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#define MEM_ALIGN8 __attribute__ ((aligned (8))) |
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#define MEM_ALIGN16 __attribute__ ((aligned (16))) |
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#define MEM_ALIGN32 __attribute__ ((aligned (32))) |
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#endif /* _IH264_PLATFORM_MACROS_H_ */
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