QtGStreamer  0.10.2
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applicationsink.h
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 Lesser 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_UTILS_APPLICATIONSINK_H
00019 #define QGST_UTILS_APPLICATIONSINK_H
00020 
00021 #include "global.h"
00022 #include "../element.h"
00023 #include "../bufferlist.h"
00024 
00025 namespace QGst {
00026 namespace Utils {
00027 
00066 class QTGSTREAMERUTILS_EXPORT ApplicationSink
00067 {
00068 public:
00069     ApplicationSink();
00070     virtual ~ApplicationSink();
00071 
00073     ElementPtr element() const;
00074 
00076     void setElement(const ElementPtr & appsink);
00077 
00078 
00080     CapsPtr caps() const;
00081 
00083     void setCaps(const CapsPtr & caps);
00084 
00085 
00088     bool isEos() const;
00089 
00090 
00093     uint maxBuffers() const;
00094 
00098     void setMaxBuffers(uint maxbuffers);
00099 
00100 
00103     bool dropEnabled() const;
00104 
00106     void enableDrop(bool enable);
00107 
00124     BufferPtr pullPreroll();
00125 
00137     BufferPtr pullBuffer();
00138 
00151     BufferListPtr pullBufferList();
00152 
00153 protected:
00156     virtual void eos();
00157 
00161     virtual FlowReturn newPreroll();
00162 
00166     virtual FlowReturn newBuffer();
00167 
00171     virtual FlowReturn newBufferList();
00172 
00173 private:
00174     /* vtable padding */
00175     virtual void reservedVirtual1() {}
00176     virtual void reservedVirtual2() {}
00177     virtual void reservedVirtual3() {}
00178 
00179 private:
00180     struct Priv;
00181     friend struct Priv;
00182     Priv *const d;
00183     Q_DISABLE_COPY(ApplicationSink)
00184 };
00185 
00186 } //namespace Utils
00187 } //namespace QGst
00188 
00189 #endif // QGST_APPLICATIONSINK_H