blob: 389358459f43dc26e2319232382689cd1b01aab0 (
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
|
/*
* Copyright (C) 2003-2012 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_USB_H
#define MPD_PCM_DSD_USB_H
#include "check.h"
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
struct pcm_buffer;
/**
* Pack DSD 1 bit samples into (padded) 24 bit PCM samples for
* playback over USB, according to the proposed standard by
* dCS and others:
* http://www.sonore.us/DoP_openStandard_1v1.pdf
*/
const uint32_t *
pcm_dsd_to_usb(struct pcm_buffer *buffer, unsigned channels,
const uint8_t *src, size_t src_size,
size_t *dest_size_r);
#endif
|