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/*
* Copyright (C) 2003-2012 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_plugin.h"
#include "utils.h"
#include "conf.h"
#include "mpd_error.h"
#include <glib.h>
#include <string.h>
extern const struct decoder_plugin ffmpeg_decoder_plugin;
const struct decoder_plugin *const decoder_plugins[] = {
&ffmpeg_decoder_plugin,
NULL
};
enum {
num_decoder_plugins = G_N_ELEMENTS(decoder_plugins) - 1,
};
/** which plugins have been initialized successfully? */
bool decoder_plugins_enabled[num_decoder_plugins];
static unsigned
decoder_plugin_index(const struct decoder_plugin *plugin)
{
unsigned i = 0;
while (decoder_plugins[i] != plugin)
++i;
return i;
}
static unsigned
decoder_plugin_next_index(const struct decoder_plugin *plugin)
{
return plugin == 0
? 0 /* start with first plugin */
: decoder_plugin_index(plugin) + 1;
}
const struct decoder_plugin *
decoder_plugin_from_suffix(const char *suffix,
const struct decoder_plugin *plugin)
{
if (suffix == NULL)
return NULL;
for (unsigned i = decoder_plugin_next_index(plugin);
decoder_plugins[i] != NULL; ++i) {
plugin = decoder_plugins[i];
if (decoder_plugins_enabled[i] &&
decoder_plugin_supports_suffix(plugin, suffix))
return plugin;
}
return NULL;
}
const struct decoder_plugin *
decoder_plugin_from_mime_type(const char *mimeType, unsigned int next)
{
static unsigned i = num_decoder_plugins;
if (mimeType == NULL)
return NULL;
if (!next)
i = 0;
for (; decoder_plugins[i] != NULL; ++i) {
const struct decoder_plugin *plugin = decoder_plugins[i];
if (decoder_plugins_enabled[i] &&
decoder_plugin_supports_mime_type(plugin, mimeType)) {
++i;
return plugin;
}
}
return NULL;
}
const struct decoder_plugin *
decoder_plugin_from_name(const char *name)
{
decoder_plugins_for_each_enabled(plugin)
if (strcmp(plugin->name, name) == 0)
return plugin;
return NULL;
}
/**
* Find the "decoder" configuration block for the specified plugin.
*
* @param plugin_name the name of the decoder plugin
* @return the configuration block, or NULL if none was configured
*/
static const struct config_param *
decoder_plugin_config(const char *plugin_name)
{
const struct config_param *param = NULL;
while ((param = config_get_next_param(CONF_DECODER, param)) != NULL) {
const char *name =
config_get_block_string(param, "plugin", NULL);
if (name == NULL)
MPD_ERROR("decoder configuration without 'plugin' name in line %d",
param->line);
if (strcmp(name, plugin_name) == 0)
return param;
}
return NULL;
}
void decoder_plugin_init_all(void)
{
for (unsigned i = 0; decoder_plugins[i] != NULL; ++i) {
const struct decoder_plugin *plugin = decoder_plugins[i];
const struct config_param *param =
decoder_plugin_config(plugin->name);
if (!config_get_block_bool(param, "enabled", true))
/* the plugin is disabled in mpd.conf */
continue;
if (decoder_plugin_init(plugin, param))
decoder_plugins_enabled[i] = true;
}
}
void decoder_plugin_deinit_all(void)
{
decoder_plugins_for_each_enabled(plugin)
decoder_plugin_finish(plugin);
}
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