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-rw-r--r--Src/external_dependencies/libmp4v2/3gp.cpp128
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diff --git a/Src/external_dependencies/libmp4v2/3gp.cpp b/Src/external_dependencies/libmp4v2/3gp.cpp
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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.
+ *
+ * 3GPP features implementation is based on 3GPP's TS26.234-v5.60,
+ * and was contributed by Ximpo Group Ltd.
+ *
+ * Portions created by Ximpo Group Ltd. are
+ * Copyright (C) Ximpo Group Ltd. 2003, 2004. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Ximpo Group Ltd. mp4v2@ximpo.com
+ */
+
+#include "mp4common.h"
+
+#define _3GP_MAJOR_BRAND "3gp5"
+#define _3GP_MINOR_VERSION 0x0001
+
+void MP4File::Make3GPCompliant(const MP4_FILENAME_CHAR* fileName, char* majorBrand, u_int32_t minorVersion, char** supportedBrands, u_int32_t supportedBrandsCount, bool deleteIodsAtom)
+{
+ char brand[5] = "3gp5";
+ char* _3gpSupportedBrands[1] = { (char*)&brand };
+
+ if (majorBrand) {
+ if (!supportedBrands || !supportedBrandsCount) {
+ throw new MP4Error("Invalid parameters", "MP4File::Make3GPCompliant");
+ }
+ }
+
+ MakeFtypAtom(
+ majorBrand ? majorBrand : (char*)brand,
+ majorBrand ? minorVersion : _3GP_MINOR_VERSION,
+ majorBrand ? supportedBrands : (char**)_3gpSupportedBrands,
+ majorBrand ? supportedBrandsCount : 1);
+
+ if (deleteIodsAtom) {
+ // Delete the iods atom, if it exists....
+ MP4Atom* iodsAtom = m_pRootAtom->FindAtomMP4("moov.iods");
+ if (iodsAtom) {
+ MP4Atom* moovAtom = m_pRootAtom->FindAtomMP4("moov");
+ ASSERT(moovAtom);
+
+ moovAtom->DeleteChildAtom(iodsAtom);
+ }
+ }
+
+}
+
+void MP4File::MakeFtypAtom(char* majorBrand, u_int32_t minorVersion, char** supportedBrands, u_int32_t supportedBrandsCount)
+{
+ bool rewriteNeeded = false;
+ u_int32_t currentSupportedBrandsCount;
+ u_int32_t i;
+
+
+ MP4Atom* ftypAtom = m_pRootAtom->FindAtomMP4("ftyp");
+ if (ftypAtom == NULL) {
+ ftypAtom = InsertChildAtom(m_pRootAtom, "ftyp", 0);
+ }
+ if (majorBrand == NULL)
+ return;
+ MP4StringProperty* pMajorBrandProperty;
+ if (!ftypAtom->FindProperty(
+ "ftyp.majorBrand",
+ (MP4Property**)&pMajorBrandProperty))
+ return;
+
+ pMajorBrandProperty->SetValue(majorBrand);
+
+
+ MP4Integer32Property* pMinorVersionProperty;
+ if (!ftypAtom->FindProperty(
+ "ftype.minorVersion",
+ (MP4Property**)&pMinorVersionProperty))
+ return;
+
+ pMinorVersionProperty->SetValue(minorVersion);
+
+ MP4Integer32Property* pCompatibleBrandsCountProperty;
+ if (!ftypAtom->FindProperty(
+ "ftyp.compatibleBrandsCount",
+ (MP4Property**)&pCompatibleBrandsCountProperty)) return;
+
+ currentSupportedBrandsCount = pCompatibleBrandsCountProperty->GetValue();
+
+ MP4TableProperty* pCompatibleBrandsProperty;
+ if (!ftypAtom->FindProperty(
+ "ftyp.compatibleBrands",
+ (MP4Property**)&pCompatibleBrandsProperty)) return;
+
+ MP4StringProperty* pBrandProperty = (MP4StringProperty*)
+ pCompatibleBrandsProperty->GetProperty(0);
+ ASSERT(pBrandProperty);
+
+ for (i = 0 ; i < ((currentSupportedBrandsCount > supportedBrandsCount) ? supportedBrandsCount : currentSupportedBrandsCount) ; i++) {
+ pBrandProperty->SetValue(supportedBrands[i], i);
+
+ }
+
+ if (i < supportedBrandsCount) {
+ for ( ; i < supportedBrandsCount ; i++) {
+ pBrandProperty->AddValue(supportedBrands[i]);
+ }
+ }
+
+ if (currentSupportedBrandsCount != supportedBrandsCount) {
+ rewriteNeeded = true;
+ pBrandProperty->SetCount(supportedBrandsCount);
+ pCompatibleBrandsCountProperty->SetReadOnly(false);
+ pCompatibleBrandsCountProperty->SetValue(supportedBrandsCount);
+ pCompatibleBrandsCountProperty->SetReadOnly(true);
+ }
+
+}