1/* 2 * Copyright (C) 2009 The Android Open Source Project 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/*------------------------------------------------------------------------------ 18 19 Table of contents 20 21 1. Include headers 22 2. Module defines 23 3. Data types 24 4. Function prototypes 25 26------------------------------------------------------------------------------*/ 27 28#ifndef H264SWDEC_STREAM_H 29#define H264SWDEC_STREAM_H 30 31/*------------------------------------------------------------------------------ 32 1. Include headers 33------------------------------------------------------------------------------*/ 34 35#include "basetype.h" 36 37/*------------------------------------------------------------------------------ 38 2. Module defines 39------------------------------------------------------------------------------*/ 40 41/*------------------------------------------------------------------------------ 42 3. Data types 43------------------------------------------------------------------------------*/ 44 45typedef struct 46{ 47 u8 *pStrmBuffStart; /* pointer to start of stream buffer */ 48 u8 *pStrmCurrPos; /* current read address in stream buffer */ 49 u32 bitPosInWord; /* bit position in stream buffer byte */ 50 u32 strmBuffSize; /* size of stream buffer (bytes) */ 51 u32 strmBuffReadBits; /* number of bits read from stream buffer */ 52} strmData_t; 53 54/*------------------------------------------------------------------------------ 55 4. Function prototypes 56------------------------------------------------------------------------------*/ 57 58u32 h264bsdGetBits(strmData_t *pStrmData, u32 numBits); 59 60u32 h264bsdShowBits32(strmData_t *pStrmData); 61 62u32 h264bsdFlushBits(strmData_t *pStrmData, u32 numBits); 63 64u32 h264bsdIsByteAligned(strmData_t *); 65 66#endif /* #ifdef H264SWDEC_STREAM_H */ 67 68