ref: 7915c0a21037e53b0d65b4a0da200836b6939032
dir: /common/mp4v2/atom_video.cpp/
/*
* 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 "mp4common.h"
MP4VideoAtom::MP4VideoAtom (const char *type)
: MP4Atom(type)
{
AddReserved("reserved1", 6); /* 0 */
AddProperty( /* 1 */
new MP4Integer16Property("dataReferenceIndex"));
AddReserved("reserved2", 16); /* 2 */
AddProperty( /* 3 */
new MP4Integer16Property("width"));
AddProperty( /* 4 */
new MP4Integer16Property("height"));
AddReserved("reserved3", 14); /* 5 */
MP4StringProperty* pProp =
new MP4StringProperty("compressorName");
pProp->SetFixedLength(32);
pProp->SetValue("");
AddProperty(pProp); /* 6 */
AddProperty(/* 7 */
new MP4Integer16Property("depth"));
AddProperty(/* 8 */
new MP4Integer16Property("colorTableId"));
ExpectChildAtom("smi ", Optional, OnlyOne);
}
void MP4VideoAtom::Generate()
{
MP4Atom::Generate();
((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
// property reserved3 has non-zero fixed values
static u_int8_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);
// depth and color table id values - should be set later
// as far as depth - color table is most likely 0xff
((MP4IntegerProperty *)m_pProperties[7])->SetValue(0x18);
((MP4IntegerProperty *)m_pProperties[8])->SetValue(0xffff);
}