Merge pull request #5 from WinampDesktop/community

Merge to main

1 files changed, 69 insertions, 0 deletions

diff --git a/Src/external_dependencies/libmp4v2/atom_tfhd.cpp b/Src/external_dependencies/libmp4v2/atom_tfhd.cpp
new file mode 100644
index 00000000..394f6a47
--- /dev/null
+++ b/Src/external_dependencies/libmp4v2/atom_tfhd.cpp
@@ -0,0 +1,69 @@
+/*
+ * 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"
+
+MP4TfhdAtom::MP4TfhdAtom() 
+	: MP4Atom("tfhd")
+{
+	AddVersionAndFlags();	/* 0, 1 */
+	AddProperty( /* 2 */
+		new MP4Integer32Property("trackId"));
+}
+
+void MP4TfhdAtom::AddProperties(u_int32_t flags)
+{
+	if (flags & 0x01) {
+		// note this property is signed 64!
+		AddProperty(
+			new MP4Integer64Property("baseDataOffset"));
+	}
+	if (flags & 0x02) {
+		AddProperty(
+			new MP4Integer32Property("sampleDescriptionIndex"));
+	}
+	if (flags & 0x08) {
+		AddProperty(
+			new MP4Integer32Property("defaultSampleDuration"));
+	}
+	if (flags & 0x10) {
+		AddProperty(
+			new MP4Integer32Property("defaultSampleSize"));
+	}
+	if (flags & 0x20) {
+		AddProperty(
+			new MP4Integer32Property("defaultSampleFlags"));
+	}
+}
+
+void MP4TfhdAtom::Read()
+{
+	/* read atom version, flags, and trackId */
+	ReadProperties(0, 3);
+
+	/* need to create the properties based on the atom flags */
+	AddProperties(GetFlags());
+
+	/* now we can read the remaining properties */
+	ReadProperties(3);
+
+	Skip();	// to end of atom
+}