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 #define IMPLEMENT_AVCConfigurationBox
19
20 #include "avcsampleentry.h"
21 #include "atomutils.h"
22 #include "atomdefs.h"
23
24 #define LENGTH_SIZE_MINUS_ONE_MASK 0x03
25 #define NUM_SEQUENCE_PARAM_SETS_MASK 0x01F
26
MPEG4BitRateBox(MP4_FF_FILE * fp,uint32 size,uint32 type)27 MPEG4BitRateBox::MPEG4BitRateBox(MP4_FF_FILE *fp, uint32 size, uint32 type)
28 : Atom(fp, size, type)
29 {
30 _mp4ErrorCode = READ_MPEG4_BITRATE_BOX_FAILED;
31
32 if (_success)
33 {
34 _success = false;
35 _pparent = NULL;
36
37 if (!AtomUtils::read32(fp, _bufferSizeDB))
38 {
39 return;
40 }
41 if (!AtomUtils::read32(fp, _maxBitRate))
42 {
43 return;
44 }
45 if (!AtomUtils::read32(fp, _avgBitRate))
46 {
47 return;
48 }
49 _success = true;
50 _mp4ErrorCode = EVERYTHING_FINE;
51
52 }
53 }
54
55