55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
|
|
* 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 "mp4common.h"
|
|
|
|
MP4SdpAtom::MP4SdpAtom() : MP4Atom("sdp ")
|
|
{
|
|
AddProperty(
|
|
new MP4StringProperty("sdpText"));
|
|
}
|
|
|
|
void MP4SdpAtom::Read()
|
|
{
|
|
// read sdp string, length is implicit in size of atom
|
|
u_int64_t size = GetEnd() - m_pFile->GetPosition();
|
|
char* data = (char*)MP4Malloc(size + 1);
|
|
ASSERT(data != NULL);
|
|
m_pFile->ReadBytes((u_int8_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((u_int32_t)strlen(sdpText));
|
|
}
|
|
MP4Atom::Write();
|
|
pSdp->SetFixedLength(0);
|
|
}
|
|
|