blob: 5cce58f887130f5e5ed8f9ee2d106990462bc8f5 (
plain)
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
|
/*
* Copyright 2003-2020 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_PCM_DSD_32_HXX
#define MPD_PCM_DSD_32_HXX
#include "Buffer.hxx"
#include "RestBuffer.hxx"
#include <stdint.h>
template<typename T> struct ConstBuffer;
/**
* Convert DSD_U8 to DSD_U32 (native endian, oldest bits in MSB).
*/
class Dsd32Converter {
unsigned channels;
PcmBuffer buffer;
PcmRestBuffer<uint8_t, 4> rest_buffer;
public:
void Open(unsigned _channels) noexcept;
void Reset() noexcept {
rest_buffer.Reset();
}
/**
* @return the size of one input block in bytes
*/
size_t GetInputBlockSize() const noexcept {
return rest_buffer.GetInputBlockSize();
}
/**
* @return the size of one output block in bytes
*/
size_t GetOutputBlockSize() const noexcept {
return GetInputBlockSize();
}
ConstBuffer<uint32_t> Convert(ConstBuffer<uint8_t> src) noexcept;
};
#endif
|
