?? filereader.cpp
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/******************************************************************************** filereader.cpp: file reader*-------------------------------------------------------------------------------* (c)1999-2001 VideoLAN* $Id: filereader.cpp,v 1.4.4.1 2003/05/16 19:43:59 nitrox Exp $** Authors: Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>** This program is free software; you can redistribute it and/or* modify it 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.**-------------------------------------------------------------------------------********************************************************************************///------------------------------------------------------------------------------// Preamble//------------------------------------------------------------------------------#include "../../core/defs.h"#include "../../core/core.h"#include "../../mpeg/mpeg.h"#include "../../mpeg/ts.h"#include "../../server/buffer.h"#include "../../server/broadcast.h"#include "../../server/request.h"#include "../../mpeg/reader.h"#include "../../mpeg/converter.h"#include "filereader.h"//------------------------------------------------------------------------------// Library declaration//------------------------------------------------------------------------------#ifdef __PLUGIN__GENERATE_LIB_ARGS(C_FileMpegReaderModule, handle);#endif//------------------------------------------------------------------------------// Builtin declaration//------------------------------------------------------------------------------#ifdef __BUILTIN__C_Module* NewBuiltin_filereader(handle hLog){ return new C_FileMpegReaderModule(hLog);}#endif/******************************************************************************** C_FileMpegReader****************************************************************************************************************************************************************///------------------------------------------------------------------------------// Constructor//------------------------------------------------------------------------------C_FileMpegReader::C_FileMpegReader(C_Module* pModule, C_Broadcast* pBroadcast) : C_MpegReader(pModule, pBroadcast), m_cFile(pBroadcast->GetOption("filename")){ if(pBroadcast->GetOption("loop") == "1") m_bLoop = true; else m_bLoop = false; if(pBroadcast->GetOption("end") == "1") m_bEnd = true; else m_bEnd = false;}//------------------------------------------------------------------------------// Initialization//------------------------------------------------------------------------------void C_FileMpegReader::Init(){ m_cFile.Open("rb"); // Jump to end of buffer to a distance of about 3 seconds from end if (m_bEnd) { if (m_cFile.Seek( (long)-(3*8*188*1024), FILE_SEEK_END)==-1) printf( "Option --end failed to start.\n"); else printf( "Option --end started.\n" ); }}//------------------------------------------------------------------------------////------------------------------------------------------------------------------void C_FileMpegReader::Close(){ m_cFile.Close();}//------------------------------------------------------------------------------////------------------------------------------------------------------------------int C_FileMpegReader::Read(byte* pBuff, int iSize){ try { int iRc = m_cFile.Read(pBuff, iSize); // Loop on stream and set the discontinuity flag if((iRc<0) && m_bLoop) { m_cFile.Seek(0, FILE_SEEK_BEGIN); m_bDiscontinuity = true; iRc = m_cFile.Read(pBuff, iSize); } return iRc; } catch(E_File e) { return MPEG_STREAMERROR; }}//------------------------------------------------------------------------------////------------------------------------------------------------------------------int C_FileMpegReader::Seek(s64 iOffset, int bStartPos){ return m_cFile.Seek(iOffset, bStartPos);}//------------------------------------------------------------------------------////------------------------------------------------------------------------------s64 C_FileMpegReader::Size(){ ASSERT(false); return 0;}//------------------------------------------------------------------------------////------------------------------------------------------------------------------s64 C_FileMpegReader::GetPos(){ return m_cFile.GetPos();}
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