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1 /* ------------------------------------------------------------------
2  * Copyright (C) 1998-2009 PacketVideo
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13  * express or implied.
14  * See the License for the specific language governing permissions
15  * and limitations under the License.
16  * -------------------------------------------------------------------
17  */
18 /*********************************************************************************/
19 /*     -------------------------------------------------------------------       */
20 /*                      MPEG-4 Mpeg4MediaHeaderAtom Class                        */
21 /*     -------------------------------------------------------------------       */
22 /*********************************************************************************/
23 /*
24     This Mpeg4MediaHeaderAtom Class is for streams other than visual and audio.
25 */
26 
27 #define IMPLEMENT_Mpeg4MediaHeaderAtom
28 
29 #include "mpeg4mediaheaderatom.h"
30 #include "atomdefs.h"
31 #include "atomutils.h"
32 
33 // Stream-in ctor
Mpeg4MediaHeaderAtom(MP4_FF_FILE * fp,uint32 mediaType,uint32 size,uint32 type)34 Mpeg4MediaHeaderAtom::Mpeg4MediaHeaderAtom(MP4_FF_FILE *fp,
35         uint32 mediaType,
36         uint32 size,
37         uint32 type)
38         : MediaInformationHeaderAtom(fp, size, type)
39 {
40     if (_success)
41     {
42         _mediaType = mediaType;
43     }
44     else
45     {
46         if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
47             _mp4ErrorCode = READ_MPEG4_MEDIA_HEADER_ATOM_FAILED;
48     }
49 }
50 
51 // Destructor
~Mpeg4MediaHeaderAtom()52 Mpeg4MediaHeaderAtom::~Mpeg4MediaHeaderAtom()
53 {
54     // Empty
55 }
56 
57 uint32
getMediaInformationHeaderType() const58 Mpeg4MediaHeaderAtom::getMediaInformationHeaderType() const
59 {
60     return _mediaType;
61 }
62