1 files changed, 54 insertions, 0 deletions
diff --git a/Src/external_dependencies/libmp4v2/atom_sdp.cpp b/Src/external_dependencies/libmp4v2/atom_sdp.cpp
new file mode 100644
index 00000000..dc4ac7b7
--- /dev/null
+++ b/Src/external_dependencies/libmp4v2/atom_sdp.cpp
@@ -0,0 +1,54 @@
+/*
+ * 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);
+}
+