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/* ------------------------------------------------------------------
* Copyright (C) 1998-2009 PacketVideo
*
* 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.
* -------------------------------------------------------------------
*/
#ifndef PV_M4V_CONFIG_PARSER_H_INCLUDED
#define PV_M4V_CONFIG_PARSER_H_INCLUDED
#include "oscl_base.h"
#include "oscl_types.h"
#define USE_LATER 0 // for some code that will be needed in the future
#define MP4_INVALID_VOL_PARAM -1
#define SHORT_HEADER_MODE -4
#define VISUAL_OBJECT_SEQUENCE_START_CODE 0x01B0
#define VISUAL_OBJECT_SEQUENCE_END_CODE 0x01B1
#define VISUAL_OBJECT_START_CODE 0x01B5
#define VO_START_CODE 0x8
#define VO_HEADER_LENGTH 32
#define VOL_START_CODE 0x12
#define VOL_START_CODE_LENGTH 28
#define GROUP_START_CODE 0x01B3
#define GROUP_START_CODE_LENGTH 32
#define VOP_ID_CODE_LENGTH 5
#define VOP_TEMP_REF_CODE_LENGTH 16
#define USER_DATA_START_CODE 0x01B2
#define USER_DATA_START_CODE_LENGTH 32
#define SHORT_VIDEO_START_MARKER 0x20
#define SHORT_VIDEO_START_MARKER_LENGTH 22
typedef struct
{
uint8 *data;
uint32 numBytes;
uint32 bytePos;
uint32 bitBuf;
uint32 dataBitPos;
uint32 bitPos;
} mp4StreamType;
int16 ShowBits(
mp4StreamType *pStream,
uint8 ucNBits,
uint32 *pulOutData
);
int16 FlushBits(
mp4StreamType *pStream,
uint8 ucNBits
);
int16 ReadBits(
mp4StreamType *pStream,
uint8 ucNBits,
uint32 *pulOutData
);
int16 ByteAlign(
mp4StreamType *pStream
);
OSCL_IMPORT_REF int16 iDecodeVOLHeader(mp4StreamType *psBits, int32 *width, int32 *height, int32 *, int32 *, int32 *profilelevel);
OSCL_IMPORT_REF int16 iGetM4VConfigInfo(uint8 *buffer, int32 length, int32 *width, int32 *height, int32 *, int32 *);
int16 DecodeUserData(mp4StreamType *pStream);
OSCL_IMPORT_REF int16 iDecodeShortHeader(mp4StreamType *psBits, int32 *width, int32 *height, int32 *, int32 *);
OSCL_IMPORT_REF int16 iGetAVCConfigInfo(uint8 *buffer, int32 length, int32 *width, int32 *height, int32 *, int32 *, int32 *profile, int32 *level);
int32 FindNAL(uint8** nal_pnt, uint8* buffer, int32 length);
int16 DecodeSPS(mp4StreamType *psBits, int32 *width, int32 *height, int32 *display_width, int32 *display_height, int32 *profile_idc, int32 *level_idc);
#if USE_LATER
int32 DecodeHRD(mp4StreamType *psBits);
int32 DecodeVUI(mp4StreamType *psBits);
#endif
int32 DecodePPS(mp4StreamType *psBits);
void ue_v(mp4StreamType *psBits, uint32 *codeNum);
void se_v(mp4StreamType *psBits, int32 *value);
void Parser_EBSPtoRBSP(uint8 *nal_unit, int32 *size);
#endif //PV_M4V_CONFIG_PARSER_H_INCLUDED
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