ID3v2: Popularimeter

Source/MediaInfo/MediaInfo_Config_Automatic.cpp

@@ -159,6 +159,9 @@ void MediaInfo_Config_DefaultLanguage (Translation &Info)
     " slice per frame1; slice per frame\n"
     " slice per frame2; slices per frame\n"
     " slice per frame3; slices per frame\n"
+    " star1; star\n"
+    " star2; stars\n"
+    " star3; stars\n"
     " text stream1; text stream\n"
     " text stream2; text streams\n"
     " text stream3; text streams\n"

Source/MediaInfo/Tag/File_Id3v2.cpp

@@ -1045,6 +1045,50 @@ void File_Id3v2::RGAD()
     FILLING_END();
 }
 
+//---------------------------------------------------------------------------
+void File_Id3v2::POPM()
+{
+    string Owner;
+    size_t Owner_Size=0;
+    int8u Rating;
+    while (Element_Offset+Owner_Size<Element_Size && Buffer[Buffer_Offset+(size_t)Element_Offset+Owner_Size]!='\0')
+        Owner_Size++;
+    if (Owner_Size==0 || Element_Offset+Owner_Size>=Element_Size)
+    {
+        Skip_XX(Element_Size-Element_Offset,                    "Unknown");
+        return;
+    }
+    Get_String(Owner_Size, Owner,                               "Owner identifier");
+    Skip_B1(                                                    "Null");
+    Get_B1 (Rating,                                             "Rating");
+    if (Element_Offset<Element_Size)
+        Skip_B4(                                                "Counter");
+
+    FILLING_BEGIN();
+        if (Rating)
+        {
+            const int8u Limits[] = { 31, 95, 159, 224 };
+            int8u Stars = 1;
+            while (Stars < 5 && Rating > Limits[Stars - 1])
+                Stars++;
+            auto StarsS = Ztring::ToZtring(Stars);
+            auto NumS = Ztring::ToZtring(Rating);
+            auto DenS = Ztring::ToZtring(255);
+            auto OwnerS = Ztring().From_ISO_8859_1(Owner.c_str());
+            Fill(Stream_General, 0, "Popularimeter/5Stars", StarsS);
+            Fill(Stream_General, 0, "Popularimeter/String", MediaInfoLib::Config.Language_Get(StarsS, __T(" star")) + __T(" (") + NumS + __T("/255, ") + OwnerS + __T(')'));
+            Fill(Stream_General, 0, "Popularimeter/Numerator", Rating);
+            Fill(Stream_General, 0, "Popularimeter/Denominator", 255);
+            Fill(Stream_General, 0, "Popularimeter/Source", Owner);
+            Fill_SetOptions(Stream_General, 0, "Popularimeter/5Stars", "N NIY");
+            Fill_SetOptions(Stream_General, 0, "Popularimeter/String", "Y NTN");
+            Fill_SetOptions(Stream_General, 0, "Popularimeter/Numerator", "N NIY");
+            Fill_SetOptions(Stream_General, 0, "Popularimeter/Denominator", "N NIY");
+            Fill_SetOptions(Stream_General, 0, "Popularimeter/Source", "N NTY");
+        }
+    FILLING_END();
+}
+
 //---------------------------------------------------------------------------
 void File_Id3v2::PRIV()
 {

Source/MediaInfo/Tag/File_Id3v2.h

@@ -71,7 +71,7 @@ private :
     void MLLT()   {Skip_XX(Element_Size, "Data");}
     void OWNE()   {Skip_XX(Element_Size, "Data");}
     void PCNT()   {Skip_XX(Element_Size, "Data");}
-    void POPM()   {Skip_XX(Element_Size, "Data");}
+    void POPM();
     void POSS()   {Skip_XX(Element_Size, "Data");}
     void PRIV();
     void RBUF()   {Skip_XX(Element_Size, "Data");}
@@ -164,7 +164,7 @@ private :
     void MCI()    {Skip_XX(Element_Size, "Data");}
     void MLL()    {Skip_XX(Element_Size, "Data");}
     void PIC_()   {APIC();}
-    void POP()    {Skip_XX(Element_Size, "Data");}
+    void POP()    {POPM();}
     void REV()    {Skip_XX(Element_Size, "Data");}
     void RVA()    {Skip_XX(Element_Size, "Data");}
     void SLT()    {Skip_XX(Element_Size, "Data");}

Source/Resource/Text/Language/DefaultLanguage.csv

@@ -130,6 +130,9 @@
  slice per frame1; slice per frame
  slice per frame2; slices per frame
  slice per frame3; slices per frame
+ star1; star
+ star2; stars
+ star3; stars
  text stream1; text stream
  text stream2; text streams
  text stream3; text streams