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- /*------------------------------------------------------------------------------
- -- --
- -- This software is confidential and proprietary and may be used --
- -- only as expressly authorized by a licensing agreement from --
- -- --
- -- Hantro Products Oy. --
- -- --
- -- (C) COPYRIGHT 2006 HANTRO PRODUCTS OY --
- -- ALL RIGHTS RESERVED --
- -- --
- -- The entire notice above must be reproduced --
- -- on all copies and should not be removed. --
- -- --
- --------------------------------------------------------------------------------
- --
- -- Abstract : Decode NAL unit header
- --
- --------------------------------------------------------------------------------
- --
- -- Version control information, please leave untouched.
- --
- -- $RCSfile: h264hwd_nal_unit.h,v $
- -- $Date: 2008/03/13 12:48:06 $
- -- $Revision: 1.1 $
- --
- ------------------------------------------------------------------------------*/
- /*------------------------------------------------------------------------------
- Table of contents
-
- 1. Include headers
- 2. Module defines
- 3. Data types
- 4. Function prototypes
- ------------------------------------------------------------------------------*/
- #ifndef H264HWD_NAL_UNIT_H
- #define H264HWD_NAL_UNIT_H
- /*------------------------------------------------------------------------------
- 1. Include headers
- ------------------------------------------------------------------------------*/
- #include "basetype.h"
- #include "h264hwd_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_UNSPECIFIED = 0,
- NAL_CODED_SLICE = 1,
- NAL_CODED_SLICE_DP_A = 2,
- NAL_CODED_SLICE_DP_B = 3,
- NAL_CODED_SLICE_DP_C = 4,
- 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_SPS_EXT = 13,
- NAL_CODED_SLICE_AUX = 19,
- 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 H264HWD_NAL_UNIT_H */
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