guliverkli: C:/guliverkli/src/filters/parser/mpasplitter/MpaSplitterFile.h Source File

00001 /* 
00002  *      Copyright (C) 2003-2005 Gabest
00003  *      http://www.gabest.org
00004  *
00005  *  This Program is free software; you can redistribute it and/or modify
00006  *  it under the terms of the GNU General Public License as published by
00007  *  the Free Software Foundation; either version 2, or (at your option)
00008  *  any later version.
00009  *   
00010  *  This Program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00013  *  GNU General Public License for more details.
00014  *   
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with GNU Make; see the file COPYING.  If not, write to
00017  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
00018  *  http://www.gnu.org/copyleft/gpl.html
00019  *
00020  */
00021 
00022 #pragma once
00023 
00024 #include "..\BaseSplitter\BaseSplitter.h"
00025 
00026 class CMpaSplitterFile : public CBaseSplitterFileEx
00027 {
00028         CMediaType m_mt;
00029         REFERENCE_TIME m_rtDuration;
00030 
00031         enum {none, mpa, mp4a} m_mode;
00032 
00033         mpahdr m_mpahdr;
00034         aachdr m_aachdr;
00035         __int64 m_startpos, m_endpos;
00036 
00037         __int64 m_totalbps;
00038         CRBMap<__int64, int> m_pos2bps;
00039 
00040         HRESULT Init();
00041         void AdjustDuration(int nBytesPerSec);
00042 
00043 public:
00044         CMpaSplitterFile(IAsyncReader* pAsyncReader, HRESULT& hr);
00045 
00046         CMap<DWORD, DWORD, CString, CString&> m_tags;
00047 
00048         const CMediaType& GetMediaType() {return m_mt;}
00049         REFERENCE_TIME GetDuration() {return m_rtDuration;}
00050 
00051         __int64 GetStartPos() {return m_startpos;}
00052         __int64 GetEndPos() {return m_endpos;}
00053 
00054         bool Sync(int limit = 0x2000);
00055         bool Sync(int& FrameSize, REFERENCE_TIME& rtDuration, int limit = 0x2000);
00056 };