Initial community commit

Src/Plugins/Input/in_mp3/Lyrics3.cpp

@@ -0,0 +1,193 @@
+#include <windows.h>
+#include "Lyrics3.h"
+#include "config.h"
+#include <strsafe.h>
+
+// http://www.id3.org/Lyrics3v2
+
+Lyrics3::Lyrics3()
+{
+	artist=0;
+	title=0;
+	album=0;
+	hasData=false;
+	dirty=false;
+}
+
+Lyrics3::~Lyrics3()
+{
+	free(artist);
+	free(title);
+	free(album);
+}
+
+static wchar_t *CopyField(const uint8_t *buffer, uint32_t size)
+{
+	int converted = MultiByteToWideChar(28591, 0,(LPCSTR)buffer, size, 0, 0);
+	wchar_t *str = (wchar_t *)calloc((converted+1), sizeof(wchar_t));
+	if (str)
+	{
+		converted = MultiByteToWideChar(28591, 0, (LPCSTR)buffer, size, str, converted);
+		str[converted]=0;
+	}
+
+	return str;
+}
+
+int Lyrics3::Decode(const void *data, size_t datalen)
+{
+	if (!config_parse_lyrics3)
+		return 1;
+
+	if (memcmp(data, "LYRICSBEGIN", 11) == 0)
+	{
+		hasData = true;
+
+		datalen-=11;
+		uint8_t *buffer = (uint8_t *)data+11;
+
+		while (datalen > 8)
+		{
+			uint8_t fid[4] = {0};
+			uint8_t sizeT[6] = {0};
+			uint32_t size;
+			fid[3] = 0;
+			sizeT[5] = 0;
+
+			memcpy(fid, buffer, 3);
+			buffer+=3; datalen-=3;
+
+			memcpy(sizeT, buffer, 5);
+			buffer+=5; datalen-=5;
+
+			size = strtoul((char *)sizeT, 0, 10);
+
+			if (datalen >= size)
+			{
+				/*if ( memcmp(fid, "IND", 3) == 0) // the IND field
+				{
+					if ( buff2[ posn + 8 + 1 ] == '1')
+						stampsUsed = true;
+				}
+				else */
+				if (memcmp(fid, "ETT", 3) == 0) // the TITLE field
+				{
+					title = CopyField(buffer, size);
+				}
+				else if (strcmp((char *) fid, "EAR") == 0) // the ARTIST field
+				{
+					artist = CopyField(buffer, size);
+				}
+				else if (strcmp((char *) fid, "EAL") == 0)  // the ALBUM field
+				{
+					album = CopyField(buffer, size);
+				}
+				/*else if ( strcmp((char *) fid, "LYR") == 0) 							// the LYRICS field
+				{
+					char *text;
+					luint newSize;
+
+					newSize = ID3_CRLFtoLF((char *) & buff2[ posn + 8 ], size);
+
+					if ( stampsUsed)
+						newSize = ID3_StripTimeStamps((char *) & buff2[ posn + 8 ], newSize);
+
+					if ( text = (char*)malloc(newSize + 1))
+					{
+						text[ newSize ] = 0;
+
+						memcpy( text, &buff2[ posn + 8 ], newSize);
+
+						ID3_AddLyrics( this, text);
+
+						free(text);
+					}
+					else
+						ID3_THROW( ID3E_NoMemory);
+				}*/
+
+				datalen-=size;
+				buffer+=size;
+			}
+			else
+				break;
+		}
+		return 0;
+	}
+	return 1;
+
+}
+
+int Lyrics3::GetString(const char *tag, wchar_t *data, int dataLen)
+{
+	if (!hasData)
+		return 0;
+
+	if (!_stricmp(tag, "title"))
+	{
+		if (title && *title)
+		{
+			StringCchCopyW(data, dataLen, title);
+			return 1;
+		}
+		return -1;
+	}
+	else if (!_stricmp(tag, "artist"))
+	{
+		if (artist && *artist)
+		{
+			StringCchCopyW(data, dataLen, artist);
+			return 1;
+		}
+		return -1;
+	}
+	else if (!_stricmp(tag, "album"))
+	{
+		if (album && *album)
+		{
+			StringCchCopyW(data, dataLen, album);
+			return 1;
+		}
+		return -1;
+	}
+
+	return 0;
+}
+
+int Lyrics3::SetString(const char *tag, const wchar_t *data)
+{
+	int ret=0;
+	if (!_stricmp(tag, "title"))
+	{
+		if (title) free(title);
+		title = _wcsdup(data);
+		ret = 1;
+	}
+	else if (!_stricmp(tag, "artist"))
+	{
+		if ( artist ) free(artist);
+		artist = _wcsdup(data);
+		ret = 1;
+	}
+	else if (!_stricmp(tag, "album"))
+	{
+		if ( album ) free(album);
+		album = _wcsdup(data);
+		ret = 1;
+	}
+	
+	if(ret)
+	{
+		hasData=true;
+	}
+	return ret;
+}
+
+void Lyrics3::Clear()
+{
+	free(artist); artist=0;
+	free(album); album=0;
+	free(title); title=0;
+	dirty=true;
+	hasData=false;
+}