/*
* Copyright (C) 2003-2010 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 "decoder_list.h"
#include "decoder_api.h"
#include "input_init.h"
#include "input_stream.h"
#include "audio_format.h"
#include "pcm_volume.h"
#include "tag_pool.h"
#include "tag_ape.h"
#include "tag_id3.h"
#include "idle.h"
#include <glib.h>
#include <assert.h>
#include <unistd.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
/**
* No-op dummy.
*/
void
idle_add(G_GNUC_UNUSED unsigned flags)
{
}
/**
* No-op dummy.
*/
bool
pcm_volume(G_GNUC_UNUSED void *buffer, G_GNUC_UNUSED int length,
G_GNUC_UNUSED const struct audio_format *format,
G_GNUC_UNUSED int volume)
{
return true;
}
void
decoder_initialized(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED const struct audio_format *audio_format,
G_GNUC_UNUSED bool seekable,
G_GNUC_UNUSED float total_time)
{
}
enum decoder_command
decoder_get_command(G_GNUC_UNUSED struct decoder *decoder)
{
return DECODE_COMMAND_NONE;
}
void decoder_command_finished(G_GNUC_UNUSED struct decoder *decoder)
{
}
double decoder_seek_where(G_GNUC_UNUSED struct decoder *decoder)
{
return 1.0;
}
void decoder_seek_error(G_GNUC_UNUSED struct decoder *decoder)
{
}
size_t
decoder_read(G_GNUC_UNUSED struct decoder *decoder,
struct input_stream *is,
void *buffer, size_t length)
{
return input_stream_read(is, buffer, length, NULL);
}
void
decoder_timestamp(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED double t)
{
}
enum decoder_command
decoder_data(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED struct input_stream *is,
const void *data, size_t datalen,
G_GNUC_UNUSED uint16_t bit_rate)
{
write(1, data, datalen);
return DECODE_COMMAND_NONE;
}
enum decoder_command
decoder_tag(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED struct input_stream *is,
G_GNUC_UNUSED const struct tag *tag)
{
return DECODE_COMMAND_NONE;
}
float
decoder_replay_gain(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED const struct replay_gain_info *replay_gain_info)
{
return 0.0;
}
void
decoder_mixramp(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED float replay_gain_db,
char *mixramp_start, char *mixramp_end)
{
g_free(mixramp_start);
g_free(mixramp_end);
}
static void
print_tag(const struct tag *tag)
{
if (tag->time >= 0)
g_print("time=%d\n", tag->time);
for (unsigned i = 0; i < tag->num_items; ++i)
g_print("%s=%s\n",
tag_item_names[tag->items[i]->type],
tag->items[i]->value);
}
int main(int argc, char **argv)
{
GError *error = NULL;
const char *decoder_name, *path;
const struct decoder_plugin *plugin;
struct tag *tag;
bool empty;
#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];
tag_pool_init();
if (!input_stream_global_init(&error)) {
g_warning("%s", error->message);
g_error_free(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;
}
tag = decoder_plugin_tag_dup(plugin, path);
if (tag == NULL && plugin->stream_tag != NULL) {
struct input_stream *is = input_stream_open(path, &error);
if (is == NULL) {
g_printerr("Failed to open %s: %s\n",
path, error->message);
g_error_free(error);
return 1;
}
tag = decoder_plugin_stream_tag(plugin, is);
input_stream_close(is);
}
decoder_plugin_deinit_all();
input_stream_global_finish();
if (tag == NULL) {
g_printerr("Failed to read tags\n");
return 1;
}
print_tag(tag);
empty = tag_is_empty(tag);
tag_free(tag);
if (empty) {
tag = tag_ape_load(path);
if (tag == NULL)
tag = tag_id3_load(path);
if (tag != NULL) {
print_tag(tag);
tag_free(tag);
}
}
tag_pool_deinit();
return 0;
}