aboutsummaryrefslogtreecommitdiffstats
path: root/test/read_tags.cxx
blob: 90f1424d90b9664ef6223bb379bd5fae9c94816d (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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/*
 * Copyright (C) 2003-2011 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.
 */

#include "config.h"
#include "IOThread.hxx"
#include "DecoderList.hxx"
#include "DecoderAPI.hxx"
#include "InputInit.hxx"
#include "InputStream.hxx"
#include "AudioFormat.hxx"
#include "tag/TagHandler.hxx"
#include "tag/TagId3.hxx"
#include "tag/ApeTag.hxx"
#include "util/Error.hxx"
#include "fs/Path.hxx"
#include "thread/Cond.hxx"
#include "Log.hxx"

#include <glib.h>

#include <assert.h>
#include <unistd.h>
#include <stdlib.h>

#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif

void
decoder_initialized(gcc_unused Decoder &decoder,
		    gcc_unused const AudioFormat audio_format,
		    gcc_unused bool seekable,
		    gcc_unused float total_time)
{
}

DecoderCommand
decoder_get_command(gcc_unused Decoder &decoder)
{
	return DecoderCommand::NONE;
}

void
decoder_command_finished(gcc_unused Decoder &decoder)
{
}

double
decoder_seek_where(gcc_unused Decoder &decoder)
{
	return 1.0;
}

void
decoder_seek_error(gcc_unused Decoder &decoder)
{
}

size_t
decoder_read(gcc_unused Decoder *decoder,
	     InputStream &is,
	     void *buffer, size_t length)
{
	return is.LockRead(buffer, length, IgnoreError());
}

void
decoder_timestamp(gcc_unused Decoder &decoder,
		  gcc_unused double t)
{
}

DecoderCommand
decoder_data(gcc_unused Decoder &decoder,
	     gcc_unused InputStream *is,
	     const void *data, size_t datalen,
	     gcc_unused uint16_t kbit_rate)
{
	gcc_unused ssize_t nbytes = write(1, data, datalen);
	return DecoderCommand::NONE;
}

DecoderCommand
decoder_tag(gcc_unused Decoder &decoder,
	    gcc_unused InputStream *is,
	    gcc_unused Tag &&tag)
{
	return DecoderCommand::NONE;
}

void
decoder_replay_gain(gcc_unused Decoder &decoder,
		    gcc_unused const ReplayGainInfo *replay_gain_info)
{
}

void
decoder_mixramp(gcc_unused Decoder &decoder, gcc_unused MixRampInfo &&mix_ramp)
{
}

static bool empty = true;

static void
print_duration(unsigned seconds, gcc_unused void *ctx)
{
	g_print("duration=%d\n", seconds);
}

static void
print_tag(TagType type, const char *value, gcc_unused void *ctx)
{
	g_print("[%s]=%s\n", tag_item_names[type], value);
	empty = false;
}

static void
print_pair(const char *name, const char *value, gcc_unused void *ctx)
{
	g_print("\"%s\"=%s\n", name, value);
}

static const struct tag_handler print_handler = {
	print_duration,
	print_tag,
	print_pair,
};

int main(int argc, char **argv)
{
	const char *decoder_name, *path;
	const struct DecoderPlugin *plugin;

#ifdef HAVE_LOCALE_H
	/* initialize locale */
	setlocale(LC_CTYPE,"");
#endif

	if (argc != 3) {
		g_printerr("Usage: read_tags DECODER FILE\n");
		return 1;
	}

	decoder_name = argv[1];
	path = argv[2];

#if !GLIB_CHECK_VERSION(2,32,0)
	g_thread_init(NULL);
#endif

	io_thread_init();
	io_thread_start();

	Error error;
	if (!input_stream_global_init(error)) {
		LogError(error);
		return 2;
	}

	decoder_plugin_init_all();

	plugin = decoder_plugin_from_name(decoder_name);
	if (plugin == NULL) {
		g_printerr("No such decoder: %s\n", decoder_name);
		return 1;
	}

	bool success = plugin->ScanFile(path, print_handler, nullptr);
	if (!success && plugin->scan_stream != NULL) {
		Mutex mutex;
		Cond cond;

		InputStream *is = InputStream::Open(path, mutex, cond,
						    error);
		if (is == NULL) {
			g_printerr("Failed to open %s: %s\n",
				   path, error.GetMessage());
			return 1;
		}

		mutex.lock();

		is->WaitReady();

		if (!is->Check(error)) {
			mutex.unlock();

			g_printerr("Failed to read %s: %s\n",
				   path, error.GetMessage());
			return EXIT_FAILURE;
		}

		mutex.unlock();

		success = plugin->ScanStream(*is, print_handler, nullptr);
		is->Close();
	}

	decoder_plugin_deinit_all();
	input_stream_global_finish();
	io_thread_deinit();

	if (!success) {
		g_printerr("Failed to read tags\n");
		return 1;
	}

	if (empty) {
		tag_ape_scan2(Path::FromFS(path), &print_handler, NULL);
		if (empty)
			tag_id3_scan(Path::FromFS(path), &print_handler, NULL);
	}

	return 0;
}