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// SPDX-License-Identifier: BSD-3-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_FINGERPRINT_H
#define MPD_FINGERPRINT_H
#include "compiler.h"
#include <stdbool.h>
#include <stddef.h>
struct mpd_connection;
struct mpd_pair;
enum mpd_fingerprint_type {
MPD_FINGERPRINT_TYPE_UNKNOWN,
MPD_FINGERPRINT_TYPE_CHROMAPRINT,
};
#ifdef __cplusplus
extern "C" {
#endif
/**
* Parse a #mpd_pair name to check which fingerprint type it contains.
*/
mpd_pure
enum mpd_fingerprint_type
mpd_parse_fingerprint_type(const char *name);
/**
* Sends the "getfingerprint" command to MPD. Call mpd_recv_pair() to
* read response lines. Use mpd_parse_fingerprint_type() to check
* each pair's name; the pair's value then contains the actual
* fingerprint.
*
* @param connection a valid and connected #mpd_connection
* @param uri the song URI
* @return true on success
*
* @since libmpdclient 2.17, MPD 0.22
*/
bool
mpd_send_getfingerprint(struct mpd_connection *connection, const char *uri);
/**
* Shortcut for mpd_send_getfingerprint(), mpd_recv_pair_named() and
* mpd_response_finish().
*
* @param connection a valid and connected #mpd_connection
* @param uri the song URI
* @param buffer a buffer for the fingerprint string
* @param buffer_size the size of the buffer (with enough room for a
* trailing null byte); if the buffer is too small, behavior is
* undefined; the library may truncate the string or fail
* @return a pointer to the buffer on success or NULL on error (or if
* there was no chromaprint in MPD's response)
*
* @since libmpdclient 2.17, MPD 0.22
*/
mpd_malloc
const char *
mpd_run_getfingerprint_chromaprint(struct mpd_connection *connection,
const char *uri,
char *buffer, size_t buffer_size);
#ifdef __cplusplus
}
#endif
#endif
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