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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. 2004. All Rights Reserved.
*
* Contributor(s):
* Bill May wmay@cisco.com
*/
#include "src/impl.h"
namespace mp4v2 {
namespace impl {
///////////////////////////////////////////////////////////////////////////////
MP4Avc1Atom::MP4Avc1Atom(MP4File &file)
: MP4Atom(file, "avc1")
{
AddReserved(*this, "reserved1", 6); /* 0 */
AddProperty( /* 1 */
new MP4Integer16Property(*this, "dataReferenceIndex"));
AddReserved(*this, "reserved2", 16); /* 2 */
AddProperty( /* 3 */
new MP4Integer16Property(*this, "width"));
AddProperty( /* 4 */
new MP4Integer16Property(*this, "height"));
AddReserved(*this, "reserved3", 14); /* 5 */
MP4StringProperty* pProp =
new MP4StringProperty(*this, "compressorName");
pProp->SetFixedLength(32);
pProp->SetCountedFormat(true);
pProp->SetValue("JVT/AVC Coding");
AddProperty(pProp); /* 6 */
AddReserved(*this, "reserved4", 4); /* 7 */
ExpectChildAtom("avcC", Required, OnlyOne);
ExpectChildAtom("btrt", Optional, OnlyOne);
ExpectChildAtom("colr", Optional, OnlyOne);
ExpectChildAtom("pasp", Optional, OnlyOne);
// for now ExpectChildAtom("m4ds", Optional, OnlyOne);
}
void MP4Avc1Atom::Generate()
{
MP4Atom::Generate();
((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
// property reserved3 has non-zero fixed values
static uint8_t reserved3[14] = {
0x00, 0x48, 0x00, 0x00,
0x00, 0x48, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x01,
};
m_pProperties[5]->SetReadOnly(false);
((MP4BytesProperty*)m_pProperties[5])->
SetValue(reserved3, sizeof(reserved3));
m_pProperties[5]->SetReadOnly(true);
// property reserved4 has non-zero fixed values
static uint8_t reserved4[4] = {
0x00, 0x18, 0xFF, 0xFF,
};
m_pProperties[7]->SetReadOnly(false);
((MP4BytesProperty*)m_pProperties[7])->
SetValue(reserved4, sizeof(reserved4));
m_pProperties[7]->SetReadOnly(true);
}
///////////////////////////////////////////////////////////////////////////////
}
} // namespace mp4v2::impl
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