138 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright 2003-2019 The Music Player Daemon Project
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|  * http://www.musicpd.org
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License along
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|  * with this program; if not, write to the Free Software Foundation, Inc.,
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|  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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|  */
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| 
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| #include "ConfigGlue.hxx"
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| #include "event/Thread.hxx"
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| #include "decoder/DecoderList.hxx"
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| #include "decoder/DecoderPlugin.hxx"
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| #include "DumpDecoderClient.hxx"
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| #include "input/Init.hxx"
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| #include "input/InputStream.hxx"
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| #include "fs/Path.hxx"
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| #include "AudioFormat.hxx"
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| #include "util/OptionDef.hxx"
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| #include "util/OptionParser.hxx"
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| #include "util/PrintException.hxx"
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| #include "Log.hxx"
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| #include "LogBackend.hxx"
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| 
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| #include <stdexcept>
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| 
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| #include <assert.h>
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| #include <unistd.h>
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| #include <stdlib.h>
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| #include <stdio.h>
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| 
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| struct CommandLine {
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| 	const char *decoder = nullptr;
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| 	const char *uri = nullptr;
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| 
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| 	Path config_path = nullptr;
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| 
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| 	bool verbose = false;
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| };
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| 
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| enum Option {
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| 	OPTION_CONFIG,
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| 	OPTION_VERBOSE,
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| };
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| 
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| static constexpr OptionDef option_defs[] = {
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| 	{"config", 0, true, "Load a MPD configuration file"},
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| 	{"verbose", 'v', false, "Verbose logging"},
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| };
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| 
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| static CommandLine
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| ParseCommandLine(int argc, char **argv)
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| {
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| 	CommandLine c;
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| 
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| 	OptionParser option_parser(option_defs, argc, argv);
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| 	while (auto o = option_parser.Next()) {
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| 		switch (Option(o.index)) {
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| 		case OPTION_CONFIG:
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| 			c.config_path = Path::FromFS(o.value);
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| 			break;
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| 
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| 		case OPTION_VERBOSE:
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| 			c.verbose = true;
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| 			break;
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| 		}
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| 	}
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| 
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| 	auto args = option_parser.GetRemaining();
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| 	if (args.size != 2)
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| 		throw std::runtime_error("Usage: run_decoder [--verbose] [--config=FILE] DECODER URI");
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| 
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| 	c.decoder = args[0];
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| 	c.uri = args[1];
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| 	return c;
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| }
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| 
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| class GlobalInit {
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| 	const ConfigData config;
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| 	EventThread io_thread;
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| 	const ScopeInputPluginsInit input_plugins_init;
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| 	const ScopeDecoderPluginsInit decoder_plugins_init;
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| 
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| public:
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| 	explicit GlobalInit(Path config_path)
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| 		:config(AutoLoadConfigFile(config_path)),
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| 		 input_plugins_init(config, io_thread.GetEventLoop()),
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| 		 decoder_plugins_init(config)
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| 	{
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| 		io_thread.Start();
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| 	}
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| };
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| 
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| int main(int argc, char **argv)
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| try {
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| 	const auto c = ParseCommandLine(argc, argv);
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| 
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| 	SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
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| 	const GlobalInit init(c.config_path);
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| 
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| 	const DecoderPlugin *plugin = decoder_plugin_from_name(c.decoder);
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| 	if (plugin == nullptr) {
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| 		fprintf(stderr, "No such decoder: %s\n", c.decoder);
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| 		return EXIT_FAILURE;
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| 	}
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| 
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| 	DumpDecoderClient client;
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| 	if (plugin->file_decode != nullptr) {
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| 		plugin->FileDecode(client, Path::FromFS(c.uri));
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| 	} else if (plugin->stream_decode != nullptr) {
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| 		auto is = InputStream::OpenReady(c.uri, client.mutex);
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| 		plugin->StreamDecode(client, *is);
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| 	} else {
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| 		fprintf(stderr, "Decoder plugin is not usable\n");
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| 		return EXIT_FAILURE;
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| 	}
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| 
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| 	if (!client.IsInitialized()) {
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| 		fprintf(stderr, "Decoding failed\n");
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| 		return EXIT_FAILURE;
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| 	}
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| 
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| 	return EXIT_SUCCESS;
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| } catch (...) {
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| 	PrintException(std::current_exception());
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| 	return EXIT_FAILURE;
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| }
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