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81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is MPEG4IP.
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*
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* The Initial Developer of the Original Code is Cisco Systems Inc.
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* Portions created by Cisco Systems Inc. are
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* Copyright (C) Cisco Systems Inc. 2004. All Rights Reserved.
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*
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* Contributor(s):
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* Bill May wmay@cisco.com
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*/
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#include "mp4common.h"
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MP4Avc1Atom::MP4Avc1Atom()
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: MP4Atom("avc1")
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{
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AddReserved("reserved1", 6); /* 0 */
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AddProperty( /* 1 */
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new MP4Integer16Property("dataReferenceIndex"));
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AddReserved("reserved2", 16); /* 2 */
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AddProperty( /* 3 */
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new MP4Integer16Property("width"));
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AddProperty( /* 4 */
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new MP4Integer16Property("height"));
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AddReserved("reserved3", 14); /* 5 */
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MP4StringProperty* pProp =
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new MP4StringProperty("compressorName");
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pProp->SetFixedLength(32);
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pProp->SetValue("AVC Coding");
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AddProperty(pProp); /* 6 */
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AddReserved("reserved4", 4); /* 7 */
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ExpectChildAtom("avcC", Required, OnlyOne);
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ExpectChildAtom("btrt", Optional, OnlyOne);
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// for now ExpectChildAtom("m4ds", Optional, OnlyOne);
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}
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void MP4Avc1Atom::Generate()
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{
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MP4Atom::Generate();
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((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
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// property reserved3 has non-zero fixed values
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static u_int8_t reserved3[14] = {
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0x00, 0x48, 0x00, 0x00,
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0x00, 0x48, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x01,
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};
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m_pProperties[5]->SetReadOnly(false);
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((MP4BytesProperty*)m_pProperties[5])->
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SetValue(reserved3, sizeof(reserved3));
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m_pProperties[5]->SetReadOnly(true);
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// property reserved4 has non-zero fixed values
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static u_int8_t reserved4[4] = {
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0x00, 0x18, 0xFF, 0xFF,
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};
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m_pProperties[7]->SetReadOnly(false);
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((MP4BytesProperty*)m_pProperties[7])->
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SetValue(reserved4, sizeof(reserved4));
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m_pProperties[7]->SetReadOnly(true);
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}
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