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
|
/*
* Copyright (C) 2003-2015 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.
*/
#include "config.h"
#include "Interleave.hxx"
#include <stdint.h>
#include <string.h>
static void
GenericPcmInterleave(uint8_t *gcc_restrict dest,
ConstBuffer<const uint8_t *> src,
size_t n_frames, size_t sample_size)
{
for (size_t frame = 0; frame < n_frames; ++frame) {
for (size_t channel = 0; channel < src.size; ++channel) {
memcpy(dest, src[channel] + frame * sample_size,
sample_size);
dest += sample_size;
}
}
}
void
PcmInterleave(void *gcc_restrict dest,
ConstBuffer<const void *> src,
size_t n_frames, size_t sample_size)
{
GenericPcmInterleave((uint8_t *)dest,
ConstBuffer<const uint8_t *>((const uint8_t *const*)src.data,
src.size),
n_frames, sample_size);
}
|