ref: 56782172bd590df0ddbbe49926fd10761383248b
dir: /src/h264bsd_nal_unit.h/
/*
* Copyright (C) 2009 The Android Open Source Project
* Modified for use by h264bsd standalone library
*
* 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.
*/
/*------------------------------------------------------------------------------
Table of contents
1. Include headers
2. Module defines
3. Data types
4. Function prototypes
------------------------------------------------------------------------------*/
#ifndef H264SWDEC_NAL_UNIT_H
#define H264SWDEC_NAL_UNIT_H
/*------------------------------------------------------------------------------
1. Include headers
------------------------------------------------------------------------------*/
#include "basetype.h"
#include "h264bsd_stream.h"
/*------------------------------------------------------------------------------
2. Module defines
------------------------------------------------------------------------------*/
/* macro to determine if NAL unit pointed by pNalUnit contains an IDR slice */
#define IS_IDR_NAL_UNIT(pNalUnit) \
((pNalUnit)->nalUnitType == NAL_CODED_SLICE_IDR)
/*------------------------------------------------------------------------------
3. Data types
------------------------------------------------------------------------------*/
typedef enum {
NAL_CODED_SLICE = 1,
NAL_CODED_SLICE_IDR = 5,
NAL_SEI = 6,
NAL_SEQ_PARAM_SET = 7,
NAL_PIC_PARAM_SET = 8,
NAL_ACCESS_UNIT_DELIMITER = 9,
NAL_END_OF_SEQUENCE = 10,
NAL_END_OF_STREAM = 11,
NAL_FILLER_DATA = 12,
NAL_MAX_TYPE_VALUE = 31
} nalUnitType_e;
typedef struct
{
nalUnitType_e nalUnitType;
u32 nalRefIdc;
} nalUnit_t;
/*------------------------------------------------------------------------------
4. Function prototypes
------------------------------------------------------------------------------*/
u32 h264bsdDecodeNalUnit(strmData_t *pStrmData, nalUnit_t *pNalUnit);
#endif /* #ifdef H264SWDEC_NAL_UNIT_H */