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diff --git a/asdcplib/src/AS_DCP.cpp b/asdcplib/src/AS_DCP.cpp
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-/*
-Copyright (c) 2004-2009, John Hurst
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-3. The name of the author may not be used to endorse or promote products
- derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/*! \file AS_DCP.cpp
- \version $Id: AS_DCP.cpp,v 1.6 2009/04/09 19:16:49 msheby Exp $
- \brief AS-DCP library, misc classes and subroutines
-*/
-
-#include "AS_DCP_internal.h"
-#include <assert.h>
-
-const char*
-ASDCP::Version()
-{
- return PACKAGE_VERSION;
-}
-
-
-//------------------------------------------------------------------------------------------
-//
-// frame buffer base class implementation
-
-ASDCP::FrameBuffer::FrameBuffer() :
- m_Data(0), m_Capacity(0), m_OwnMem(false), m_Size(0),
- m_FrameNumber(0), m_SourceLength(0), m_PlaintextOffset(0)
-{
-}
-
-ASDCP::FrameBuffer::~FrameBuffer()
-{
- if ( m_OwnMem && m_Data != 0 )
- free(m_Data);
-}
-
-// Instructs the object to use an externally allocated buffer. The external
-// buffer will not be cleaned up by the frame buffer when it is destroyed.
-// Call with (0,0) to revert to internally allocated buffer.
-// Returns error if the buf_addr argument is NULL and either buf_size is
-// non-zero or internally allocated memory is in use.
-ASDCP::Result_t
-ASDCP::FrameBuffer::SetData(byte_t* buf_addr, ui32_t buf_size)
-{
- // if buf_addr is null and we have an external memory reference,
- // drop the reference and place the object in the initialized-
- // but-no-buffer-allocated state
- if ( buf_addr == 0 )
- {
- if ( buf_size > 0 || m_OwnMem )
- return RESULT_PTR;
-
- m_OwnMem = false;
- m_Capacity = m_Size = 0;
- m_Data = 0;
- return RESULT_OK;
- }
-
- if ( m_OwnMem && m_Data != 0 )
- free(m_Data);
-
- m_OwnMem = false;
- m_Capacity = buf_size;
- m_Data = buf_addr;
- m_Size = 0;
-
- return RESULT_OK;
-}
-
-// Sets the size of the internally allocate buffer. Returns RESULT_CAPEXTMEM
-// if the object is using an externally allocated buffer via SetData();
-// Resets content size to zero.
-ASDCP::Result_t
-ASDCP::FrameBuffer::Capacity(ui32_t cap_size)
-{
- if ( ! m_OwnMem && m_Data != 0 )
- return RESULT_CAPEXTMEM; // cannot resize external memory
-
- if ( m_Capacity < cap_size )
- {
- if ( m_Data != 0 )
- {
- assert(m_OwnMem);
- free(m_Data);
- }
-
- m_Data = (byte_t*)malloc(cap_size);
-
- if ( m_Data == 0 )
- return RESULT_ALLOC;
-
- m_Capacity = cap_size;
- m_OwnMem = true;
- m_Size = 0;
- }
-
- return RESULT_OK;
-}
-
-
-//
-// end AS_DCP.cpp
-//