QtGStreamer 0.10.1
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00001 /* 00002 Copyright (C) 2011 Collabora Ltd. <info@collabora.co.uk> 00003 @author George Kiagiadakis <george.kiagiadakis@collabora.co.uk> 00004 00005 This library is free software; you can redistribute it and/or modify 00006 it under the terms of the GNU Lesser General Public License as published 00007 by the Free Software Foundation; either version 2.1 of the License, or 00008 (at your option) 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 Lesser General Public License 00016 along with this program. If not, see <http://www.gnu.org/licenses/>. 00017 */ 00018 #ifndef QGST_BUFFERLIST_H 00019 #define QGST_BUFFERLIST_H 00020 00021 #include "buffer.h" 00022 00023 namespace QGst { 00024 00032 class QTGSTREAMER_EXPORT BufferList : public MiniObject 00033 { 00034 QGST_WRAPPER(BufferList) 00035 public: 00036 static BufferListPtr create(); 00037 00038 uint groupsCount() const; 00039 BufferPtr bufferAt(uint group, uint index) const; 00040 00041 inline BufferListPtr copy() const; 00042 inline BufferListPtr makeWritable() const; 00043 }; 00044 00045 inline BufferListPtr BufferList::copy() const 00046 { 00047 return MiniObject::copy().staticCast<BufferList>(); 00048 } 00049 00050 inline BufferListPtr BufferList::makeWritable() const 00051 { 00052 return MiniObject::makeWritable().staticCast<BufferList>(); 00053 } 00054 00055 00071 class QTGSTREAMER_EXPORT BufferListIterator 00072 { 00073 public: 00074 BufferListIterator(const BufferListPtr & list); 00075 ~BufferListIterator(); 00076 00078 uint buffersInCurrentGroup() const; 00079 00082 BufferPtr next(); 00083 00086 void insert(const BufferPtr & buffer); 00087 00091 void remove(); 00092 00096 BufferPtr take(); 00097 00102 void replace(const BufferPtr & other); 00103 00107 void addGroup(); 00108 00111 bool nextGroup(); 00112 00114 BufferPtr mergeGroup() const; 00115 00116 private: 00117 GstBufferListIterator *m_it; 00118 Q_DISABLE_COPY(BufferListIterator) 00119 }; 00120 00121 } //namespace QGst 00122 00123 QGST_REGISTER_TYPE(QGst::BufferList) 00124 00125 #endif // QGST_BUFFERLIST_H