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// SPDX-License-Identifier: BSD-2-Clause
// Copyright The Music Player Daemon Project
/*! \file
* \brief MPD client library
*
* Do not include this header directly. Use mpd/client.h instead.
*/
#ifndef MPD_AUDIO_FORMAT_H
#define MPD_AUDIO_FORMAT_H
#include <stdint.h>
enum {
/**
* The sample format is unknown or unspecified.
*
* @since libmpdclient 2.15
*/
MPD_SAMPLE_FORMAT_UNDEFINED = 0x00,
/**
* 32 bit floating point samples.
*/
MPD_SAMPLE_FORMAT_FLOAT = 0xe0,
/**
* DSD samples.
*/
MPD_SAMPLE_FORMAT_DSD = 0xe1,
};
/**
* This structure describes the format of a raw PCM stream.
*/
struct mpd_audio_format {
/**
* The sample rate in Hz. A better name for this attribute is
* "frame rate", because technically, you have two samples per
* frame in stereo sound.
*
* The special value 0 means "unknown or unspecified".
*/
uint32_t sample_rate;
/**
* The number of significant bits per sample. Samples are
* currently always signed. Supported values are 8, 16, 24,
* 32 and the special values #MPD_SAMPLE_FORMAT_FLOAT,
* #MPD_SAMPLE_FORMAT_DSD, #MPD_SAMPLE_FORMAT_UNDEFINED.
*
* @since libmpdclient 2.10 added support for #MPD_SAMPLE_FORMAT_FLOAT and
* #MPD_SAMPLE_FORMAT_DSD.
*/
uint8_t bits;
/**
* The number of channels. Only mono (1) and stereo (2) are
* fully supported currently.
*
* The special value 0 means "unknown or unspecified".
*/
uint8_t channels;
/** reserved for future use */
uint16_t reserved0;
/** reserved for future use */
uint32_t reserved1;
};
#endif
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