94 lines
3.4 KiB
C
94 lines
3.4 KiB
C
/*------------------------------------------------------------------------------
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-- --
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-- This software is confidential and proprietary and may be used --
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-- only as expressly authorized by a licensing agreement from --
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-- --
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-- Hantro Products Oy. --
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-- --
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-- (C) COPYRIGHT 2006 HANTRO PRODUCTS OY --
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-- ALL RIGHTS RESERVED --
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-- --
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-- The entire notice above must be reproduced --
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-- on all copies and should not be removed. --
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-- --
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--------------------------------------------------------------------------------
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--
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-- Abstract : Decode NAL unit header
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--
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--------------------------------------------------------------------------------
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--
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-- Version control information, please leave untouched.
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--
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-- $RCSfile: h264hwd_nal_unit.h,v $
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-- $Date: 2008/03/13 12:48:06 $
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-- $Revision: 1.1 $
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--
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------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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Table of contents
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1. Include headers
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2. Module defines
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3. Data types
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4. Function prototypes
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------------------------------------------------------------------------------*/
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#ifndef H264HWD_NAL_UNIT_H
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#define H264HWD_NAL_UNIT_H
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/*------------------------------------------------------------------------------
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1. Include headers
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------------------------------------------------------------------------------*/
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#include "basetype.h"
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#include "h264hwd_stream.h"
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/*------------------------------------------------------------------------------
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2. Module defines
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------------------------------------------------------------------------------*/
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/* macro to determine if NAL unit pointed by pNalUnit contains an IDR slice */
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#define IS_IDR_NAL_UNIT(pNalUnit) \
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((pNalUnit)->nalUnitType == NAL_CODED_SLICE_IDR)
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/*------------------------------------------------------------------------------
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3. Data types
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------------------------------------------------------------------------------*/
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typedef enum
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{
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NAL_UNSPECIFIED = 0,
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NAL_CODED_SLICE = 1,
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NAL_CODED_SLICE_DP_A = 2,
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NAL_CODED_SLICE_DP_B = 3,
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NAL_CODED_SLICE_DP_C = 4,
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NAL_CODED_SLICE_IDR = 5,
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NAL_SEI = 6,
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NAL_SEQ_PARAM_SET = 7,
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NAL_PIC_PARAM_SET = 8,
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NAL_ACCESS_UNIT_DELIMITER = 9,
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NAL_END_OF_SEQUENCE = 10,
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NAL_END_OF_STREAM = 11,
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NAL_FILLER_DATA = 12,
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NAL_SPS_EXT = 13,
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NAL_CODED_SLICE_AUX = 19,
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NAL_MAX_TYPE_VALUE = 31
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} nalUnitType_e;
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typedef struct
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{
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nalUnitType_e nalUnitType;
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u32 nalRefIdc;
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} nalUnit_t;
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/*------------------------------------------------------------------------------
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4. Function prototypes
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------------------------------------------------------------------------------*/
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u32 h264bsdDecodeNalUnit(strmData_t * pStrmData, nalUnit_t * pNalUnit);
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#endif /* #ifdef H264HWD_NAL_UNIT_H */
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