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/*
* Copyright 2003-2019 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 "ConfigGlue.hxx"
#include "event/Thread.hxx"
#include "decoder/DecoderList.hxx"
#include "decoder/DecoderPlugin.hxx"
#include "decoder/DecoderAPI.hxx" /* for class StopDecoder */
#include "DumpDecoderClient.hxx"
#include "input/Init.hxx"
#include "input/InputStream.hxx"
#include "fs/Path.hxx"
#include "fs/NarrowPath.hxx"
#include "AudioFormat.hxx"
#include "util/OptionDef.hxx"
#include "util/OptionParser.hxx"
#include "util/PrintException.hxx"
#include "Log.hxx"
#include "LogBackend.hxx"
#include <stdexcept>
#include <assert.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
struct CommandLine {
const char *decoder = nullptr;
const char *uri = nullptr;
FromNarrowPath config_path;
bool verbose = false;
};
enum Option {
OPTION_CONFIG,
OPTION_VERBOSE,
};
static constexpr OptionDef option_defs[] = {
{"config", 0, true, "Load a MPD configuration file"},
{"verbose", 'v', false, "Verbose logging"},
};
static CommandLine
ParseCommandLine(int argc, char **argv)
{
CommandLine c;
OptionParser option_parser(option_defs, argc, argv);
while (auto o = option_parser.Next()) {
switch (Option(o.index)) {
case OPTION_CONFIG:
c.config_path = o.value;
break;
case OPTION_VERBOSE:
c.verbose = true;
break;
}
}
auto args = option_parser.GetRemaining();
if (args.size != 2)
throw std::runtime_error("Usage: run_decoder [--verbose] [--config=FILE] DECODER URI");
c.decoder = args[0];
c.uri = args[1];
return c;
}
class GlobalInit {
const ConfigData config;
EventThread io_thread;
const ScopeInputPluginsInit input_plugins_init;
const ScopeDecoderPluginsInit decoder_plugins_init;
public:
explicit GlobalInit(Path config_path)
:config(AutoLoadConfigFile(config_path)),
input_plugins_init(config, io_thread.GetEventLoop()),
decoder_plugins_init(config)
{
io_thread.Start();
}
};
int main(int argc, char **argv)
try {
const auto c = ParseCommandLine(argc, argv);
SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
const GlobalInit init(c.config_path);
const DecoderPlugin *plugin = decoder_plugin_from_name(c.decoder);
if (plugin == nullptr) {
fprintf(stderr, "No such decoder: %s\n", c.decoder);
return EXIT_FAILURE;
}
DumpDecoderClient client;
if (plugin->file_decode != nullptr) {
try {
plugin->FileDecode(client, FromNarrowPath(c.uri));
} catch (StopDecoder) {
}
} else if (plugin->stream_decode != nullptr) {
auto is = InputStream::OpenReady(c.uri, client.mutex);
try {
plugin->StreamDecode(client, *is);
} catch (StopDecoder) {
}
} else {
fprintf(stderr, "Decoder plugin is not usable\n");
return EXIT_FAILURE;
}
if (!client.IsInitialized()) {
fprintf(stderr, "Decoding failed\n");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}
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