aboutsummaryrefslogtreecommitdiffstats
path: root/src/pcm_resample_internal.h
blob: af62b7663d71257324f9d13bb82ebf02b10da32a (plain) (blame)
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
 * Copyright (C) 2003-2009 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.
 */

/** \file
 *
 * Internal declarations for the pcm_resample library.  The "internal"
 * resampler is called "fallback" in the MPD source, so the file name
 * of this header is somewhat unrelated to it.
 */

#ifndef MPD_PCM_RESAMPLE_INTERNAL_H
#define MPD_PCM_RESAMPLE_INTERNAL_H

#include "pcm_resample.h"
#include "config.h"

#ifdef HAVE_LIBSAMPLERATE

void
pcm_resample_lsr_deinit(struct pcm_resample_state *state);

const int16_t *
pcm_resample_lsr_16(struct pcm_resample_state *state,
		    uint8_t channels,
		    unsigned src_rate,
		    const int16_t *src_buffer, size_t src_size,
		    unsigned dest_rate,
		    size_t *dest_size_r);

const int32_t *
pcm_resample_lsr_32(struct pcm_resample_state *state,
		    uint8_t channels,
		    unsigned src_rate,
		    const int32_t *src_buffer,
		    G_GNUC_UNUSED size_t src_size,
		    unsigned dest_rate,
		    size_t *dest_size_r);

#else

void
pcm_resample_fallback_deinit(struct pcm_resample_state *state);

const int16_t *
pcm_resample_fallback_16(struct pcm_resample_state *state,
			 uint8_t channels,
			 unsigned src_rate,
			 const int16_t *src_buffer, size_t src_size,
			 unsigned dest_rate,
			 size_t *dest_size_r);

const int32_t *
pcm_resample_fallback_32(struct pcm_resample_state *state,
			 uint8_t channels,
			 unsigned src_rate,
			 const int32_t *src_buffer,
			 G_GNUC_UNUSED size_t src_size,
			 unsigned dest_rate,
			 size_t *dest_size_r);

#endif

#endif