mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-01 00:47:16 +01:00
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
|
|
* 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 H263_VENDOR 0x6d346970
|
|
|
|
MP4D263Atom::MP4D263Atom()
|
|
: MP4Atom("d263")
|
|
{
|
|
AddProperty( /* 0 */
|
|
new MP4Integer32Property("vendor"));
|
|
|
|
AddProperty( /* 1 */
|
|
new MP4Integer8Property("decoderVersion"));
|
|
|
|
AddProperty( /* 2 */
|
|
new MP4Integer8Property("h263Level"));
|
|
|
|
AddProperty( /* 3 */
|
|
new MP4Integer8Property("h263Profile"));
|
|
|
|
ExpectChildAtom("bitr", Optional, OnlyOne);
|
|
|
|
}
|
|
|
|
void MP4D263Atom::Generate()
|
|
{
|
|
MP4Atom::Generate();
|
|
|
|
((MP4Integer32Property*)m_pProperties[0])->SetValue(H263_VENDOR);
|
|
((MP4Integer8Property*)m_pProperties[1])->SetValue(1);
|
|
|
|
}
|
|
|
|
void MP4D263Atom::Write()
|
|
{
|
|
// Check whether we have valid values in the bitr atom
|
|
// (if it exists, of course)
|
|
MP4Atom* bitrAtom = FindAtomMP4("d263.bitr");
|
|
if (bitrAtom) {
|
|
u_int32_t avgBitrate;
|
|
u_int32_t maxBitrate;
|
|
|
|
MP4Integer32Property* pProp;
|
|
bitrAtom->FindProperty("bitr.avgBitrate",
|
|
(MP4Property**)&pProp,
|
|
NULL);
|
|
ASSERT(pProp);
|
|
avgBitrate = pProp->GetValue();
|
|
|
|
bitrAtom->FindProperty("bitr.maxBitrate",
|
|
(MP4Property**)&pProp,
|
|
NULL);
|
|
ASSERT(pProp);
|
|
maxBitrate = pProp->GetValue();
|
|
|
|
if(!maxBitrate && !avgBitrate) {
|
|
DeleteChildAtom(bitrAtom);
|
|
}
|
|
}
|
|
|
|
MP4Atom::Write();
|
|
}
|