aboutsummaryrefslogtreecommitdiffstats
path: root/src/decoder/_flac_common.h
blob: 895cdf1b95ec551923106742fc729e4345295144 (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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
/*
 * 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.
 */

/*
 * Common data structures and functions used by FLAC and OggFLAC
 */

#ifndef MPD_FLAC_COMMON_H
#define MPD_FLAC_COMMON_H

#include "decoder_api.h"
#include "pcm_buffer.h"

#include <glib.h>

#include <FLAC/stream_decoder.h>
#include <FLAC/metadata.h>

#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "flac"

struct flac_data {
	struct pcm_buffer buffer;

	/**
	 * Is the #stream_info member valid?
	 */
	bool have_stream_info;

	/**
	 * A copy of the stream info object passed to the metadata
	 * callback.  Once we drop support for libFLAC 1.1.2, we can
	 * remove this attribute, and use
	 * FLAC__stream_decoder_get_total_samples() etc.
	 */
	FLAC__StreamMetadata_StreamInfo stream_info;

	/**
	 * The number of the next frame which is going to be decoded.
	 */
	FLAC__uint64 next_frame;

	float time;
	unsigned int bit_rate;
	struct audio_format audio_format;
	FLAC__uint64 position;
	struct decoder *decoder;
	struct input_stream *input_stream;
	struct replay_gain_info *replay_gain_info;
	struct tag *tag;
};

/* initializes a given FlacData struct */
void
flac_data_init(struct flac_data *data, struct decoder * decoder,
	       struct input_stream *input_stream);

void
flac_data_deinit(struct flac_data *data);

void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
			     struct flac_data *data);

void flac_error_common_cb(const char *plugin,
			  FLAC__StreamDecoderErrorStatus status,
			  struct flac_data *data);

FLAC__StreamDecoderWriteStatus
flac_common_write(struct flac_data *data, const FLAC__Frame * frame,
		  const FLAC__int32 *const buf[]);

#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7

char*
flac_cue_track(		const char* pathname,
			const unsigned int tnum);

unsigned int
flac_vtrack_tnum(	const char*);

#endif /* FLAC_API_VERSION_CURRENT >= 7 */

#endif /* _FLAC_COMMON_H */