Add files via upload

main.cpp

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+/* 
+ * File:   main.cpp
+ * Author: SET - nmset@netcourrier.com
+ * License : GPL V2
+ *
+ * Created on 10 décembre 2017, 16:24
+ */
+
+// Pedal controlled Media Player
+
+#include <iostream>
+#include <unistd.h>
+#include <signal.h>
+#include <boost/program_options.hpp>
+#include "globals.h"
+#include "DBusPODProxy.h"
+
+using namespace std;
+namespace po = boost::program_options;
+
+DBusPODProxy * g_pod7Proxy;
+DBus::BusDispatcher g_dispatcher;
+bool g_verbose = false;
+string g_backend = "";
+uint g_play = 4;
+uint g_fastforward = 2;
+uint g_rewind = 1;
+uint g_autorewind = 1500;
+
+void signalhandler(int sn)
+{
+    if (g_verbose)
+        cout << "Application signaled to exit." << endl;
+    delete g_pod7Proxy;
+    exit(0);
+}
+
+bool ManageParams(int argc, char** argv)
+{
+    try
+    {
+        po::options_description desc(_ABOUT_);
+        desc.add_options()
+                ("help,h", "Print help messages.")
+                ("backend,b", po::value<string>(&g_backend), "Media player : vlc, dragonplayer, xmms2...")
+                ("verbose,v", "Show some messages on stdout, namely, signaled pedal codes.")
+                ("play,p", po::value<uint>(&g_play), "Pedal code for <PLAY> - default : 4, unsigned.")
+                ("fastforward,f", po::value<uint>(&g_fastforward), "Pedal code for <FAST FORWARD> - default : 2, unsigned.")
+                ("rewind,r", po::value<uint>(&g_play), "Pedal code for <REWIND> - default : 1, unsigned.")
+                ("autorewind,a", po::value<uint>(&g_autorewind), "Automatically rewind for n milliseconds when playback stops - default : 1500, unsigned.");
+
+        po::variables_map vm;
+        try
+        {
+            po::store(po::parse_command_line(argc, argv, desc), vm);
+            po::notify(vm);
+            if (vm.count("help"))
+            {
+                cout << desc << endl;
+                return false;
+            }
+            if (!vm.count("backend"))
+            {
+                cout << desc << endl;
+                return false;
+            }
+            if (g_rewind == g_play
+                    || g_rewind == g_fastforward
+                    || g_play == g_fastforward)
+            {
+                cout << "Declared pedal codes are inconsistent. A pedal code should identify a unique action." << endl;
+                return false;
+            }
+            if (vm.count("verbose"))
+            {
+                g_verbose = true;
+            }
+        }
+        catch (po::error& eb)
+        {
+            cerr << "Error : " << eb.what() << endl;
+            return false;
+        }
+    }
+    catch (exception& e)
+    {
+        cerr << "Error : " << e.what() << endl;
+        return false;
+    }
+    return true;
+}
+
+bool StartPOD7Proxy()
+{
+    DBus::Connection bus = DBus::Connection::SessionBus();
+    try
+    {
+        g_pod7Proxy = new DBusPODProxy(bus, "pedal.event");
+        return true;
+    }
+    catch (DBus::Error e)
+    {
+        delete g_pod7Proxy;
+        cout << e.message() << _NL_ << e.name() << endl;
+        ;
+    }
+    return false;
+}
+
+int main(int argc, char** argv)
+{
+    if (!ManageParams(argc, argv))
+        return 0;
+    signal(SIGINT, signalhandler);
+    signal(SIGTERM, signalhandler);
+    DBus::_init_threading();
+    DBus::default_dispatcher = &g_dispatcher;
+    if (!StartPOD7Proxy())
+    {
+        cout << "Could not listen to pedal events." << endl;
+        return 0;
+    }
+
+    // Any better way to do that ?
+    while (true)
+        sleep(84600);
+    return 0;
+}
+
+/*
+ dbusxx-introspect /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.vlc
+ dbusxx-introspect /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.dragonplayer
+ */