source: trunk/CompressCodecUtils.c @ 1432

Revision 1432, 1.9 KB checked in by gbooker, 4 years ago (diff)

Added mpeg layer 1 and 2 to compressed codec handling.
Refs #492

Line 
1/*
2 * CompressCodecUtils.c
3 * Created by Graham Booker on 8/14/10.
4 * This file is part of Perian.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include "CompressCodecUtils.h"
22#include <QuickTime/QuickTime.h>
23#include "CodecIDs.h"
24
25OSType compressStreamFourCC(OSType original)
26{
27        switch (original) {
28                case kH264CodecType:
29                        return kCompressedAVC1;
30                case kMPEG4VisualCodecType:
31                        return kCompressedMP4V;
32                case kAudioFormatMPEGLayer3:
33                        return kCompressedMP3;
34                case kAudioFormatMPEGLayer2:
35                        return kCompressedMP2;
36                case kAudioFormatMPEGLayer1:
37                        return kCompressedMP1;
38                case kAudioFormatAC3:
39                        return kCompressedAC3;
40                case kAudioFormatDTS:
41                        return kCompressedDTS;
42                default:
43                        break;
44        }
45       
46        return 0;
47}
48
49OSType originalStreamFourCC(OSType compress)
50{
51        switch (compress) {
52                case kCompressedAVC1:
53                        return kH264CodecType;
54                case kCompressedMP4V:
55                        return kMPEG4VisualCodecType;
56                case kCompressedMP1:
57                        return kAudioFormatMPEGLayer1;
58                case kCompressedMP2:
59                        return kAudioFormatMPEGLayer2;
60                case kCompressedMP3:
61                        return kAudioFormatMPEGLayer3;
62                case kCompressedAC3:
63                        return kAudioFormatAC3;
64                case kCompressedDTS:
65                        return kAudioFormatDTS;
66                default:
67                        break;
68        }
69       
70        return 0;
71}
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