added: now playing

src/bitvis.cpp

@@ -54,6 +54,9 @@ CBitVis::CBitVis(int argc, char *argv[])
 
   m_nrlines = 48 - m_fontheight - 1;
   m_scrolloffset = 0;
+
+  m_mpdclient = new CMpdClient("music.bitlair", 6600);
+  m_mpdclient->StartThread();
 }
 
 CBitVis::~CBitVis()
@@ -331,7 +334,7 @@ void CBitVis::SendData(int64_t time)
   //add an empty line
   data.SetData(text, m_nrcolumns / 4, true);
 
-  SetText(text, "Wat? No money? Hier! Suck a cock!");
+  SetText(text, m_mpdclient->CurrentSong().c_str());
   data.SetData(text, sizeof(text), true);
 
   uint8_t end[10];

src/bitvis.h

@@ -25,6 +25,7 @@
 #include "jackclient.h"
 #include "fft.h"
 #include "util/tcpsocket.h"
+#include "mpdclient.h"
 
 class CBitVis
 {
@@ -53,6 +54,7 @@ class CBitVis
     float       m_decay;
     int         m_fontheight;
     int         m_scrolloffset;
+    CMpdClient* m_mpdclient;
 
     struct peak
     {

src/mpdclient.cpp

@@ -27,35 +27,18 @@ void CMpdClient::Process()
     {
       if (!OpenSocket())
       {
-        CLock lock(m_condition);
-        m_commands.clear();
+        m_currentsong.clear();
         continue;
       }
     }
 
-    CLock lock(m_condition);
-    if (m_commands.empty())
-    {
-      if (!m_condition.Wait(10000000))
-      {
-        lock.Leave();
-        if (!Ping())
-        {
-          m_socket.Close();
-          lock.Enter();
-          m_commands.clear();
-          continue;
-        }
-      }
-    }
-    lock.Leave();
-
-    if (!ProcessCommands())
+    if (!GetCurrentSong())
     {
+      m_currentsong.clear();
       m_socket.Close();
-      lock.Enter();
-      m_commands.clear();
     }
+
+    USleep(1000000);
   }
 }
 
@@ -81,72 +64,18 @@ bool CMpdClient::OpenSocket()
   }
 }
 
-bool CMpdClient::ProcessCommands()
-{
-  CLock lock(m_condition);
-  while (!m_commands.empty())
-  {
-    ECMD cmd = m_commands.front();
-    m_commands.pop_front();
-    lock.Leave();
-
-    int volume;
-    if (!GetVolume(volume))
-      return false;
-
-    int newvolume = volume;
-    if (cmd == CMD_VOLUP)
-      newvolume += 5;
-    else if (cmd == CMD_VOLDOWN)
-      newvolume -= 5;
-
-    newvolume = Clamp(newvolume, 0, 100);
-    printf("Setting volume from %i to %i\n", volume, newvolume);
-
-    if (!SetVolume(newvolume))
-      return false;
-
-    lock.Enter();
-  }
-
-  return true;
-}
-
-bool CMpdClient::Ping()
+bool CMpdClient::GetCurrentSong()
 {
   CTcpData data;
-  data.SetData("ping\n");
-
+  data.SetData("currentsong\n");
   if (m_socket.Write(data) != SUCCESS)
   {
     printf("Error writing socket: %s\n", m_socket.GetError().c_str());
     return false;
   }
 
-  m_socket.SetTimeout(0);
-  int returnv;
-  while((returnv = m_socket.Read(data)) == SUCCESS);
-
-  m_socket.SetTimeout(10000000);
-
-  if (returnv == FAIL)
-  {
-    printf("Error reading socket: %s\n", m_socket.GetError().c_str());
-    return false;
-  }
-
-  return true;
-}
-
-bool CMpdClient::GetVolume(int& volume)
-{
-  CTcpData data;
-  data.SetData("status\n");
-  if (m_socket.Write(data) != SUCCESS)
-  {
-    printf("Error writing socket: %s\n", m_socket.GetError().c_str());
-    return false;
-  }
+  string artist;
+  string title;
 
   data.Clear();
   while(1)
@@ -166,10 +95,18 @@ bool CMpdClient::GetVolume(int& volume)
         break;
 
       string word;
-      if (GetWord(line, word) && word == "volume:")
+      if (GetWord(line, word))
       {
-        if (GetWord(line, word) && StrToInt(word, volume) && volume >= 0 && volume <= 100)
-          return true;
+        if (word == "Artist:")
+          artist = line.substr(1);
+        else if (word == "Title:")
+          title = line.substr(1);
+      }
+
+      if (!artist.empty() && !title.empty())
+      {
+        m_currentsong = artist + " - " + title;
+        return true;
       }
     }
   }
@@ -177,31 +114,9 @@ bool CMpdClient::GetVolume(int& volume)
   return false;
 }
 
-bool CMpdClient::SetVolume(int volume)
-{
-  CTcpData data;
-  data.SetData(string("setvol ") + ToString(volume) + "\n");
-
-  if (m_socket.Write(data) != SUCCESS)
-  {
-    printf("Error writing socket: %s\n", m_socket.GetError().c_str());
-    return false;
-  }
-
-  return true;
-}
-
-void CMpdClient::VolumeUp()
+std::string CMpdClient::CurrentSong()
 {
   CLock lock(m_condition);
-  m_commands.push_back(CMD_VOLUP);
-  m_condition.Signal();
-}
-
-void CMpdClient::VolumeDown()
-{
-  CLock lock(m_condition);
-  m_commands.push_back(CMD_VOLDOWN);
-  m_condition.Signal();
+  return m_currentsong;
 }
 

src/mpdclient.h

@@ -8,12 +8,6 @@
 #include "util/condition.h"
 #include "util/tcpsocket.h"
 
-enum ECMD
-{
-  CMD_VOLUP,
-  CMD_VOLDOWN
-};
-
 class CMpdClient : public CThread
 {
   public:
@@ -21,21 +15,17 @@ class CMpdClient : public CThread
     ~CMpdClient();
 
     virtual void Process();
-    void         VolumeUp();
-    void         VolumeDown();
+    std::string  CurrentSong();
 
   private:
     bool         OpenSocket();
-    bool         Ping();
-    bool         ProcessCommands();
-    bool         GetVolume(int& volume);
-    bool         SetVolume(int volume);
+    bool         GetCurrentSong();
 
     int              m_port;
     std::string      m_address;
     CTcpClientSocket m_socket;
-    std::deque<ECMD> m_commands;
     CCondition       m_condition;
+    std::string      m_currentsong;
 };