stream.h

AVS是中国自己推出的视频图像音频编解码标准。包中是AVS 源代码

/*************************************************************************
 AVS1-P2视频解码器源码
 版权所有：联合信源数字音视频技术（北京）有限公司, (c) 2005-2006 

 AVS1-P2 Video Decoder Source Code
 (c) Copyright, NSCC All Rights Reserved, 2005-2006
 *************************************************************************
 Distributed under the terms of the GNU General Public License as
 published by the Free Software Foundation; either version 2 of the
 License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*************************************************************************/
/*************************************************************************
  文件名称:	stream.h
  描    述: stream.cpp 的申明文件
*************************************************************************/
/*************************************************************************
  Revision History
  data          Modification                                    Author
  2005-2-8      Created                                          jthou
 *************************************************************************/
#ifndef _STREAM_H_
#define _STREAM_H_

AVS_BOOL FindNextStartCode(const AVS_BYTE* pbData, AVS_DWORD dwDataLen, AVS_DWORD* dwLeft);
AVS_BOOL FindNextPicOrEndStartCode(const AVS_BYTE* pbData, AVS_DWORD dwDataLen, AVS_DWORD* dwLeft);
AVS_BOOL FindSliceStartCode(const AVS_BYTE** pbData, AVS_DWORD* dwLeft);


AVS_DWORD SeqenceHeader(const AVS_BYTE* pbData, AVS_DWORD dwDataLen, SEQENCEINFO* Info);
AVS_DWORD SliceHeader(const AVS_BYTE* pbData, AVS_DWORD dwDataLen, AVS_DWORD dwMbIndex, AVS_DWORD* pdwBitOffset, STREAMINFO* StrmInfo);
AVS_DWORD GetImgHeaderInfo(const AVS_BYTE* pbData,AVS_DWORD dwDataLen, AVS_DWORD* dwBitOffset, STREAMINFO* Info);
AVS_BOOL  IsSliceHeader(const AVS_BYTE* pbData, AVS_DWORD dwBitOffset);
#endif