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ContainerFile.hpp
00001 /*********************************************************************** 00002 * * 00003 * ViTooKi * 00004 * * 00005 * title: ContainerFile.hpp * 00006 * * 00007 * * 00008 * * 00009 * ITEC institute of the University of Klagenfurt (Austria) * 00010 * http://www.itec.uni-klu.ac.at * 00011 * * 00012 * * 00013 * For more information visit the ViTooKi homepage: * 00014 * http://ViTooKi.sourceforge.net * 00015 * vitooki-user@lists.sourceforge.net * 00016 * vitooki-devel@lists.sourceforge.net * 00017 * * 00018 * This file is part of ViTooKi, a free video toolkit. * 00019 * ViTooKi is free software; you can redistribute it and/or * 00020 * modify it under the terms of the GNU General Public License * 00021 * as published by the Free Software Foundation; either version 2 * 00022 * of the License, or (at your option) any later version. * 00023 * * 00024 * This program is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU General Public License * 00030 * along with this program; if not, write to the Free Software * 00031 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * 00032 * MA 02111-1307, USA. * 00033 * * 00034 ***********************************************************************/ 00035 00036 /*********************************************************************** 00037 * * 00038 * REVISION HISTORY: * 00039 * * 00040 * * 00041 * * 00042 ***********************************************************************/ 00043 #ifndef VITOOKI_CONTAINERFILE_HPP_ 00044 #define VITOOKI_CONTAINERFILE_HPP_ 00045 00046 #include "global.hpp" 00047 00048 class ContainerInfo; 00049 class ESInfo; 00050 class Adaptor; 00051 class Url; 00052 00064 class ContainerFile { 00065 public: 00066 00067 /* There are three methods for obtaining stream parameters 00068 * only needed for (incomplete headers of) .MP4 files 00069 * RUN_THROUGH - read the entire file and build statistics: very accurate and very slow 00070 * ESTIMATE1 - obtain some parameters from ffmpeg and calculate the others 00071 * (will not work for VBR audio or containers with multiple video streams 00072 * not very accurate but very fast 00073 * ESTIMATE2 - read MAX_TEST_DURATION frames and calculate the parameters(will work for all 00074 * types of containers: not very accurate but it is fast 00075 */ 00076 enum ParseType { 00077 RUN_THROUGH, 00078 ESTIMATE1, 00079 ESTIMATE2 00080 }; 00081 00085 static ContainerInfo *loadContainerInfo(const char *fileName, Url* uri=NULL, 00086 const ParseType type = ESTIMATE1); 00087 00089 static bool saveToContainerFile(const char *fileName, ContainerInfo *ci); 00090 }; 00091 #endif