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/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is MPEG4IP.
*
* The Initial Developer of the Original Code is Cisco Systems Inc.
* Portions created by Cisco Systems Inc. are
* Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
*
* Contributor(s):
* Dave Mackie dmackie@cisco.com
*/
#include "src/impl.h"
namespace mp4v2 {
namespace impl {
///////////////////////////////////////////////////////////////////////////////
MP4SdpAtom::MP4SdpAtom(MP4File &file) : MP4Atom(file, "sdp ")
{
AddProperty(
new MP4StringProperty(*this, "sdpText"));
}
void MP4SdpAtom::Read()
{
// read sdp string, length is implicit in size of atom
uint64_t size = GetEnd() - m_File.GetPosition();
char* data = (char*)MP4Malloc(size + 1);
ASSERT(data != NULL);
m_File.ReadBytes((uint8_t*)data, size);
data[size] = '\0';
((MP4StringProperty*)m_pProperties[0])->SetValue(data);
MP4Free(data);
}
void MP4SdpAtom::Write()
{
// since length of string is implicit in size of atom
// we need to handle this specially, and not write the terminating \0
MP4StringProperty* pSdp = (MP4StringProperty*)m_pProperties[0];
const char* sdpText = pSdp->GetValue();
if (sdpText) {
pSdp->SetFixedLength((uint32_t)strlen(sdpText));
}
MP4Atom::Write();
pSdp->SetFixedLength(0);
}
///////////////////////////////////////////////////////////////////////////////
}
} // namespace mp4v2::impl
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