146 lines
3.6 KiB
C++
146 lines
3.6 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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#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 "decoder/DecoderAPI.hxx" /* for class StopDecoder */
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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 "fs/NarrowPath.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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#include <stdexcept>
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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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struct CommandLine {
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const char *decoder = nullptr;
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const char *uri = nullptr;
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FromNarrowPath config_path;
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bool verbose = false;
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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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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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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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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 = o.value;
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break;
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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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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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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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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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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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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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SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
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const GlobalInit init(c.config_path);
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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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DumpDecoderClient client;
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if (plugin->file_decode != nullptr) {
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try {
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plugin->FileDecode(client, FromNarrowPath(c.uri));
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} catch (StopDecoder) {
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}
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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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try {
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plugin->StreamDecode(client, *is);
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} catch (StopDecoder) {
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}
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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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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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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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