1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* @file
* Sound decoder used in engines:
* - ultima8 (Crusader: No Regret)
*/
#ifndef AUDIO_XAN_DPCM_H
#define AUDIO_XAN_DPCM_H
#include "common/scummsys.h"
#include "common/types.h"
namespace Common {
class SeekableReadStream;
}
namespace Audio {
class StatelessPacketizedAudioStream;
/**
* Implements the Xan DPCM decoder used in Crusader: No Regret and Wing
* Commander IV movies. Implementation based on the description on the
* MultiMedia Wiki:
* https://wiki.multimedia.cx/index.php/Xan_DPCM
*/
class XanDPCMStream : public StatelessPacketizedAudioStream {
public:
/**
* Create a Xan DPCM stream
* @param rate sampling rate (samples per second)
* @param channels number of channels to decode
* @return a new XanDPCMStream, or NULL, if an error occurred
*/
XanDPCMStream(int rate, int channels);
protected:
AudioStream *makeStream(Common::SeekableReadStream *data) override;
};
} // End of namespace Audio
#endif
|
