00001 /* 00002 * (c) 2005, 2008 Nico Pranke <Nico.Pranke@googlemail.com>, Robin Luedtke <RobinLu@gmx.de> 00003 * 00004 * This file is part of avcap. 00005 * 00006 * avcap is free software: you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation, either version 3 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * avcap is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with avcap. If not, see <http://www.gnu.org/licenses/>. 00018 */ 00019 00020 /* avcap is free for non-commercial use. 00021 * To use it in commercial endeavors, please contact Nico Pranke <Nico.Pranke@googlemail.com>. 00022 */ 00023 00024 #ifndef V4L2_FORMATMANAGER_H_ 00025 #define V4L2_FORMATMANAGER_H_ 00026 00027 #include "FormatManager.h" 00028 00029 namespace avcap 00030 { 00031 class V4L2_DeviceDescriptor; 00032 00034 00035 class V4L2_FormatManager: public FormatManager 00036 { 00037 00038 public: 00039 V4L2_FormatManager(V4L2_DeviceDescriptor *dd); 00040 00041 virtual ~V4L2_FormatManager(); 00042 00043 int setFormat(Format *fmt); 00044 00045 int setFormat(unsigned int fourcc); 00046 00047 Format* getFormat(); 00048 00049 int setResolution(int w, int h); 00050 00051 int setBytesPerLine(int bpl); 00052 00053 int getWidth(); 00054 00055 int getHeight(); 00056 00057 int getBytesPerLine(); 00058 00059 int flush(); 00060 00061 size_t getImageSize(); 00062 00063 const VideoStandard* getVideoStandard(); 00064 00065 int setVideoStandard(const VideoStandard* std); 00066 00067 int setFramerate(int fps); 00068 00069 int getFramerate(); 00070 00071 void query(); 00072 00073 private: 00074 int tryFormat(); 00075 00076 int getParams(); 00077 00078 void queryVideoStandards(); 00079 00080 void queryResolutions(Format* f); 00081 00082 }; 00083 } 00084 00085 #endif // V4L2_FORMATMANAGER_H_