80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*!
|
|
* \copy
|
|
* Copyright (c) 2013, Cisco Systems
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
//nalu.h: NAL Unit definition
|
|
#ifndef WELS_NAL_UNIT_H__
|
|
#define WELS_NAL_UNIT_H__
|
|
|
|
#include "typedefs.h"
|
|
#include "wels_common_basis.h"
|
|
#include "nal_prefix.h"
|
|
#include "bit_stream.h"
|
|
|
|
namespace WelsDec {
|
|
|
|
///////////////////////////////////NAL UNIT level///////////////////////////////////
|
|
|
|
/* NAL Unit Structure */
|
|
typedef struct TagNalUnit {
|
|
SNalUnitHeaderExt sNalHeaderExt;
|
|
|
|
union {
|
|
struct SVclNal {
|
|
SSliceHeaderExt sSliceHeaderExt;
|
|
SBitStringAux sSliceBitsRead;
|
|
uint8_t* pNalPos; // save the address of slice nal for GPU function
|
|
int32_t iNalLength; // save the nal length for GPU function
|
|
bool_t bSliceHeaderExtFlag;
|
|
} sVclNal;
|
|
SPrefixNalUnit sPrefixNal;
|
|
} sNalData;
|
|
|
|
} SNalUnit, *PNalUnit;
|
|
|
|
///////////////////////////////////ACCESS Unit level///////////////////////////////////
|
|
|
|
/* Access Unit structure */
|
|
typedef struct TagAccessUnits {
|
|
PNalUnit* pNalUnitsList; // list of NAL Units pointer in this AU
|
|
uint32_t uiAvailUnitsNum; // Number of NAL Units available in each AU list based current bitstream,
|
|
uint32_t uiActualUnitsNum; // actual number of NAL units belong to current au
|
|
// While available number exceeds count size below, need realloc extra NAL Units for list space.
|
|
uint32_t uiCountUnitsNum; // Count size number of malloced NAL Units in each AU list
|
|
uint32_t uiStartPos;
|
|
uint32_t uiEndPos;
|
|
bool_t bCompletedAuFlag; // Indicate whether it is a completed AU
|
|
} SAccessUnit, *PAccessUnit;
|
|
|
|
} // namespace WelsDec
|
|
|
|
#endif//WELS_NAL_UNIT_H__
|