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
/*
* Copyright 2003-2018 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_INTERLEAVE_HXX
#define MPD_PCM_INTERLEAVE_HXX
#include "util/Compiler.h"
#include "util/ConstBuffer.hxx"
#include <stdint.h>
/**
* Interleave planar PCM samples from #src to #dest.
*/
void
PcmInterleave(void *gcc_restrict dest, ConstBuffer<const void *> src,
size_t n_frames, size_t sample_size) noexcept;
/**
* A variant of PcmInterleave() that assumes 32 bit samples (4 bytes
* per sample).
*/
void
PcmInterleave32(int32_t *gcc_restrict dest, ConstBuffer<const int32_t *> src,
size_t n_frames) noexcept;
static inline void
PcmInterleaveFloat(float *gcc_restrict dest, ConstBuffer<const float *> src,
size_t n_frames) noexcept
{
PcmInterleave32((int32_t *)dest,
ConstBuffer<const int32_t *>((const int32_t *const*)src.data,
src.size),
n_frames);
}
#endif