137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#include "ConfigGlue.hxx"
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#include "pcm/Convert.hxx"
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#include "lib/chromaprint/DecoderClient.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 "input/Init.hxx"
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#include "input/InputStream.hxx"
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#include "fs/NarrowPath.hxx"
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#include "fs/Path.hxx"
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#include "pcm/AudioFormat.hxx"
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#include "cmdline/OptionDef.hxx"
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#include "cmdline/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 <cassert>
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#include <stdexcept>
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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 = nullptr;
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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: RunChromaprint [--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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pcm_convert_global_init(config);
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}
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};
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class MyChromaprintDecoderClient final : public ChromaprintDecoderClient {
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public:
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InputStreamPtr OpenUri(const char *) override {
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throw std::runtime_error("Not implemented");
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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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MyChromaprintDecoderClient 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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client.Finish();
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printf("%s\n", client.GetFingerprint().c_str());
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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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