1 files changed, 129 insertions, 0 deletions
diff --git a/lib/libUPnP/Platinum/Source/Extras/PltFrameBuffer.cpp b/lib/libUPnP/Platinum/Source/Extras/PltFrameBuffer.cpp
new file mode 100644
index 0000000..5c4232d
--- /dev/null
+++ b/lib/libUPnP/Platinum/Source/Extras/PltFrameBuffer.cpp
@@ -0,0 +1,129 @@
+/*****************************************************************
+|
+|   Platinum - Frame Buffer
+|
+| Copyright (c) 2004-2010, Plutinosoft, LLC.
+| All rights reserved.
+| http://www.plutinosoft.com
+|
+| 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.
+|
+| OEMs, ISVs, VARs and other distributors that combine and 
+| distribute commercially licensed software with Platinum software
+| and do not wish to distribute the source code for the commercially
+| licensed software under version 2, or (at your option) any later
+| version, of the GNU General Public License (the "GPL") must enter
+| into a commercial license agreement with Plutinosoft, LLC.
+| licensing@plutinosoft.com
+|  
+| 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; see the file LICENSE.txt. If not, write to
+| the Free Software Foundation, Inc., 
+| 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+| http://www.gnu.org/licenses/gpl-2.0.html
+|
+****************************************************************/
+
+
+/*----------------------------------------------------------------------
+|   includes
++---------------------------------------------------------------------*/
+#include "PltFrameBuffer.h"
+
+NPT_SET_LOCAL_LOGGER("platinum.core.framebuffer")
+
+/*----------------------------------------------------------------------
+|   PLT_FrameBuffer::PLT_FrameBuffer
++---------------------------------------------------------------------*/
+PLT_FrameBuffer::PLT_FrameBuffer(const char* mime_type) :
+    m_MimeType(mime_type),
+    m_Aborted(false)
+{
+}
+
+/*----------------------------------------------------------------------
+|   PLT_FrameBuffer::~PLT_FrameBuffer
++---------------------------------------------------------------------*/
+PLT_FrameBuffer::~PLT_FrameBuffer()
+{
+}
+
+/*----------------------------------------------------------------------
+|   PLT_FrameBuffer::Reset
++---------------------------------------------------------------------*/
+void
+PLT_FrameBuffer::Reset()
+{
+    NPT_AutoLock lock(m_FrameLock);
+    
+    // mark that we're planning to receive more frames
+    m_Aborted = false;
+    
+    // reset to 0 for new readers to
+    m_FrameIndex.SetValue(0);
+}
+
+/*----------------------------------------------------------------------
+|   PLT_FrameBuffer::Abort
++---------------------------------------------------------------------*/
+void
+PLT_FrameBuffer::Abort()
+{
+    NPT_AutoLock lock(m_FrameLock);
+    
+    // mark that we're not planning to receive more frames
+    m_Aborted = true;
+    
+    // increment to unlock readers
+    m_FrameIndex.SetValue(m_FrameIndex.GetValue()+1);
+}
+
+/*----------------------------------------------------------------------
+|   PLT_FrameBuffer::SetNextFrame
++---------------------------------------------------------------------*/
+NPT_Result
+PLT_FrameBuffer::SetNextFrame(const NPT_Byte* data, NPT_Size size)
+{
+    NPT_AutoLock lock(m_FrameLock);
+
+    m_Frame.SetData(data, size);
+    m_FrameIndex.SetValue(m_FrameIndex.GetValue()+1);
+
+    NPT_LOG_INFO_1("Set frame %d", m_FrameIndex.GetValue());
+    return NPT_SUCCESS;
+}
+
+/*----------------------------------------------------------------------
+|   PLT_FrameBuffer::GetNextFrame
++---------------------------------------------------------------------*/
+NPT_Result
+PLT_FrameBuffer::GetNextFrame(NPT_UInt32&     last_frame_index, 
+                              NPT_DataBuffer& buffer, 
+                              NPT_Timeout     timeout)
+{
+    NPT_CHECK_WARNING(m_FrameIndex.WaitWhileEquals(last_frame_index, timeout));
+
+    {
+        NPT_AutoLock lock(m_FrameLock);
+        
+        // if we're aborted or we reseted, disconnect
+        if (m_Aborted || last_frame_index > (NPT_UInt32)m_FrameIndex.GetValue()) 
+            return NPT_ERROR_EOS;
+        
+        buffer.SetData(m_Frame.GetData(), m_Frame.GetDataSize());
+
+        // update current frame index
+        last_frame_index = m_FrameIndex.GetValue();
+        NPT_LOG_INFO_1("Retrieved frame %d", last_frame_index);
+    }
+
+    return NPT_SUCCESS;
+}