winamp/Src/Plugins/Input/in_mp3/id3.cpp

556 lines
12 KiB
C++

#include "../id3v2/id3_tag.h"
#include "id3.h"
#include "config.h"
#include "../nu/ns_wc.h"
#include <strsafe.h>
#define _isdigit(x) (( x ) >= '0' && ( x ) <= '9')
/* id3 helper functions */
void SetFrameEncoding(ID3_Frame *frame, int encoding)
{
switch (encoding)
{
case ENCODING_AUTO:
if (config_write_mode == WRITE_UTF16)
frame->Field(ID3FN_TEXTENC).Set(ID3TE_UNICODE);
else
frame->Field(ID3FN_TEXTENC).Set(ID3TE_ASCII);
break;
case ENCODING_FORCE_ASCII:
frame->Field(ID3FN_TEXTENC).Set(ID3TE_ASCII);
break;
case ENCODING_FORCE_UNICODE:
frame->Field(ID3FN_TEXTENC).Set(ID3TE_UNICODE);
break;
}
}
char *ID3_GetString(ID3_Frame *frame, ID3_FieldID fldName, size_t nIndex)
{
char *text = NULL;
if (NULL != frame)
{
size_t nText = frame->Field(fldName).Size();
text = (char *)calloc(nText + 1, sizeof(char));
frame->Field(fldName).GetLocal(text, nText + 1, nIndex);
}
return text;
}
wchar_t *ID3_GetUnicodeString(ID3_Frame *frame, ID3_FieldID fldName, size_t nIndex)
{
wchar_t *text = NULL;
if (NULL != frame)
{
size_t nText = frame->Field(fldName).Size();
text = (wchar_t *)calloc(sizeof(wchar_t) * (nText + 1), sizeof(wchar_t));
frame->Field(fldName).GetUnicode(text, nText + 1, nIndex);
}
return text;
}
wchar_t *ID3_FillUnicodeString(ID3_Frame *frame, ID3_FieldID fldName, wchar_t *dest, size_t destlen, size_t nIndex)
{
memset(dest, 0, destlen * sizeof(wchar_t));
if (NULL != frame)
{
frame->Field(fldName).GetUnicode(dest, destlen, nIndex);
return dest;
}
else
return NULL;
}
wchar_t *ID3_GetTitle(ID3_Tag *tag)
{
wchar_t*sTitle = NULL;
if (NULL == tag)
{
return sTitle;
}
ID3_Frame *frame = tag->Find(ID3FID_TITLE);
if (frame != NULL)
{
sTitle = ID3_GetUnicodeString(frame, ID3FN_TEXT);
}
return sTitle;
}
wchar_t *ID3_GetArtist(ID3_Tag *tag)
{
if (!tag) return 0;
wchar_t *sArtist = NULL;
ID3_Frame *frame = NULL;
if ((frame = tag->Find(ID3FID_LEADARTIST)) || (frame = tag->Find(ID3FID_BAND)))
{
sArtist = ID3_GetUnicodeString(frame, ID3FN_TEXT);
}
return sArtist;
}
wchar_t *ID3_GetAlbum(ID3_Tag *tag)
{
wchar_t *sAlbum = NULL;
if (NULL == tag)
{
return sAlbum;
}
ID3_Frame *frame = tag->Find(ID3FID_ALBUM);
if (frame != NULL)
{
sAlbum = ID3_GetUnicodeString(frame, ID3FN_TEXT);
}
return sAlbum;
}
wchar_t *ID3_GetYear(ID3_Tag *tag)
{
wchar_t *sYear = NULL;
if (NULL == tag)
{
return sYear;
}
ID3_Frame *frame = tag->Find(ID3FID_RECORDINGTIME);
if (frame != NULL)
sYear = ID3_GetUnicodeString(frame, ID3FN_TEXT);
if (!sYear || !*sYear)
{
frame = tag->Find(ID3FID_YEAR);
if (frame != NULL)
sYear = ID3_GetUnicodeString(frame, ID3FN_TEXT);
}
return sYear;
}
void ID3_AddSetComment(ID3_Tag *tag, const wchar_t *comment)
{
ID3_Frame *frame = tag->Find(ID3FID_COMMENT, ID3FN_DESCRIPTION, L"");
if (frame)
{
if (!comment || !comment[0])
tag->RemoveFrame(frame);
else
{
SetFrameEncoding(frame);
frame->Field(ID3FN_TEXT).SetUnicode(comment);
unsigned char null3[3] = {0, 0, 0};
frame->Field(ID3FN_LANGUAGE).Get(null3, 3);
if (!null3[0]) frame->Field(ID3FN_LANGUAGE).SetLatin("eng");
}
}
else if (comment && comment[0])
{
frame = new ID3_Frame(ID3FID_COMMENT);
SetFrameEncoding(frame);
frame->Field(ID3FN_LANGUAGE).SetLatin("eng");
//frame->Field(ID3FN_LANGUAGE).Set(null3, 3);
frame->Field(ID3FN_DESCRIPTION).SetUnicode(L"");
frame->Field(ID3FN_TEXT).SetUnicode(comment);
tag->AddFrame(frame, TRUE);
}
}
void ID3_AddSetRating(ID3_Tag *tag, const wchar_t *rating)
{
luint rating_integer = 0;
if (rating)
rating_integer = _wtoi(rating);
bool custom_frame = false, own_frame = false;
ID3_Frame* frame = NULL;
if (config_rating_email[0])
{
frame = tag->Find(ID3FID_POPULARIMETER, ID3FN_EMAIL, config_rating_email);
if (!frame) custom_frame = true;
}
if (!frame)
{
frame = tag->Find(ID3FID_POPULARIMETER, ID3FN_EMAIL, "rating@winamp.com\0");
if (frame) own_frame = true;
}
if (!frame)
{
frame = tag->Find(ID3FID_POPULARIMETER);
if (frame) own_frame = true;
}
// try to use a custom field if our own was present and the custom wasn't
if (custom_frame && own_frame)
{
frame->Clear();
frame = NULL;
}
if (!frame)
{
frame = new ID3_Frame(ID3FID_POPULARIMETER);
if (!config_rating_email[0])
frame->Field(ID3FN_EMAIL).Set((uchar *)"rating@winamp.com\0", 18);
else
{
frame->Field(ID3FN_EMAIL).Set((uchar *)config_rating_email, strlen(config_rating_email)+1);
}
tag->AddFrame(frame, TRUE);
}
if (frame)
{
switch(rating_integer)
{
case 2:
rating_integer=64;
break;
case 3:
rating_integer=128;
break;
case 4:
rating_integer=196;
break;
case 5:
rating_integer = 255;
break;
}
if (!rating_integer)
tag->RemoveFrame(frame);
else
frame->Field(ID3FN_RATING).Set(rating_integer);
}
}
wchar_t *ID3_GetComment(ID3_Tag *tag, wchar_t *dest, size_t destlen)
{
wchar_t *comment = NULL;
if (NULL == tag)
{
return comment;
}
ID3_Frame* frame = tag->Find(ID3FID_COMMENT, ID3FN_DESCRIPTION, L"");
if (frame)
{
comment = ID3_FillUnicodeString(frame, ID3FN_TEXT, dest, destlen);
}
return comment;
}
wchar_t *ID3_GetRating(ID3_Tag *tag, wchar_t *dest, size_t destlen)
{
if (NULL == tag)
{
return NULL;
}
ID3_Frame* frame = NULL;
if (config_rating_email[0])
frame = tag->Find(ID3FID_POPULARIMETER, ID3FN_EMAIL, config_rating_email);
if (!frame)
frame = tag->Find(ID3FID_POPULARIMETER, ID3FN_EMAIL, "rating@winamp.com\0");
if (!frame)
frame = tag->Find(ID3FID_POPULARIMETER);
if (frame)
{
int rating = (int)frame->Field(ID3FN_RATING).Get();
if (rating >= 224 && rating <= 255)
rating = 5;
else if (rating >= 160 && rating <= 223)
rating = 4;
else if (rating >= 96 && rating <= 159)
rating = 3;
else if (rating >= 32 && rating <= 95)
rating = 2;
else if (rating >= 1 && rating <= 31)
rating = 1;
else
rating = 0;
StringCchPrintfW(dest, destlen, L"%u", rating);
return dest;
}
return 0;
}
wchar_t *ID3_GetComment(ID3_Tag *tag, const wchar_t *desc, wchar_t *dest, size_t destlen)
{
wchar_t *comment = NULL;
if (NULL == tag)
{
return comment;
}
ID3_Frame* frame = tag->Find(ID3FID_COMMENT, ID3FN_DESCRIPTION, desc);
if (frame)
{
comment = ID3_FillUnicodeString(frame, ID3FN_TEXT, dest, destlen);
}
return comment;
}
wchar_t *ID3_GetMusicbrainzRecordingID(ID3_Tag *tag, wchar_t *dest, size_t destlen)
{
if (NULL == tag)
{
return 0;
}
ID3_Frame* frame = tag->Find(ID3FID_UNIQUEFILEID, ID3FN_OWNER, L"http://musicbrainz.org");
if (frame)
{
uchar data[64] = {0};
luint dataSize = frame->Field(ID3FN_DATA).Size();
frame->Field(ID3FN_DATA).Get(data, 64);
int converted = MultiByteToWideCharSZ(CP_ACP, 0, (const char *)data, (int)dataSize, dest, (int)destlen);
dest[converted]=0;
return dest;
}
return 0;
}
wchar_t *ID3_GetGracenoteTagID(ID3_Tag *tag)
{
if (NULL == tag)
{
return 0;
}
ID3_Frame* frame = tag->Find(ID3FID_UNIQUEFILEID, ID3FN_OWNER, L"http://www.cddb.com/id3/taginfo1.html");
if (frame)
{
uchar data[64] = {0};
luint dataSize = frame->Field(ID3FN_DATA).Size();
frame->Field(ID3FN_DATA).Get(data, 64);
int converted = MultiByteToWideChar(CP_ACP, 0, (const char *)data, (int)dataSize, 0, 0);
wchar_t *dest = (wchar_t *)calloc((converted+1), sizeof(wchar_t));
converted = MultiByteToWideChar(CP_ACP, 0, (const char *)data, (int)dataSize, dest, converted);
dest[converted]=0;
return dest;
}
return 0;
}
wchar_t *ID3_GetGracenoteTagID(ID3_Tag *tag, wchar_t *dest, size_t destlen)
{
if (NULL == tag)
{
return 0;
}
ID3_Frame* frame = tag->Find(ID3FID_UNIQUEFILEID, ID3FN_OWNER, L"http://www.cddb.com/id3/taginfo1.html");
if (frame)
{
uchar data[64] = {0};
luint dataSize = frame->Field(ID3FN_DATA).Size();
frame->Field(ID3FN_DATA).Get(data, 64);
int converted = MultiByteToWideCharSZ(CP_ACP, 0, (const char *)data, (int)dataSize, dest, (int)destlen);
dest[converted]=0;
return dest;
}
return 0;
}
void ID3_AddSetGracenoteTagID(ID3_Tag *tag, const wchar_t *tagID)
{
ID3_Frame *frame = tag->Find(ID3FID_UNIQUEFILEID, ID3FN_OWNER, L"http://www.cddb.com/id3/taginfo1.html");
if (frame)
{
if (!tagID || !tagID[0])
tag->RemoveFrame(frame);
else
{
size_t origLen = wcslen(tagID); // so we can not write the null terminator
uchar data[64] = {0};
luint dataSize = WideCharToMultiByte(CP_ACP, 0, tagID, (int)origLen, (char *)data, 64, 0, 0);
frame->Field(ID3FN_DATA).Set(data, dataSize);
}
}
else if (tagID && tagID[0])
{
frame = new ID3_Frame(ID3FID_UNIQUEFILEID);
SetFrameEncoding(frame, ENCODING_FORCE_ASCII);
frame->Field(ID3FN_OWNER).SetLatin("http://www.cddb.com/id3/taginfo1.html");
size_t origLen = wcslen(tagID); // so we can not write the null terminator
uchar data[64] = {0};
luint dataSize = WideCharToMultiByte(CP_ACP, 0, tagID, (int)origLen, (char *)data, 64, 0, 0);
frame->Field(ID3FN_DATA).Set(data, dataSize);
tag->AddFrame(frame, TRUE);
}
}
#if 0 // benski> CUT
char *ID3_GetTUID(ID3_Tag *tag)
{
char *tuid = NULL;
if (NULL == tag)
{
return tuid;
}
ID3_Frame* frame = NULL;
frame = tag->Find(ID3FID_UNIQUEFILEID);
if (frame)
{
char *tmp = ID3_GetString(frame, ID3FN_DATA);
if (tmp)
{
// verify first four characters are '3CD3'
if (!strncmp(tmp, "3CD3", 4))
{
char m, n;
char *p = tmp + 4;
n = *p++;
m = 'P' - n;
p += m;
n = *p++;
m = 'Z' - n; // length of TUID;
tuid = _strdup(p);
tuid[m] = 0; // null terminate
}
free(tmp);
}
}
return tuid;
}
#endif
char *ID3_GetGenre(ID3_Tag *tag)
{
char *sGenre = NULL;
if (NULL == tag)
{
return sGenre;
}
ID3_Frame *frame = tag->Find(ID3FID_CONTENTTYPE);
if (frame != NULL)
{
sGenre = ID3_GetString(frame, ID3FN_TEXT);
}
return sGenre;
}
void ID3_AddUserText(ID3_Tag *tag, wchar_t *desc, const wchar_t *value, int encoding)
{
ID3_Frame *frame = tag->Find(ID3FID_USERTEXT, ID3FN_DESCRIPTION, desc);
if (frame)
{
if (!value || !value[0])
tag->RemoveFrame(frame);
else
{
SetFrameEncoding(frame, encoding);
frame->Field(ID3FN_TEXT).SetUnicode(value);
}
}
else if (value && value[0])
{
frame = new ID3_Frame(ID3FID_USERTEXT);
SetFrameEncoding(frame, encoding);
frame->Field(ID3FN_DESCRIPTION).SetUnicode(desc);
frame->Field(ID3FN_TEXT).SetUnicode(value);
tag->AddFrame(frame, TRUE);
}
}
wchar_t *ID3_GetUserText(ID3_Tag *tag, wchar_t *desc)
{
if (tag == NULL)
return NULL;
ID3_Frame *frame = tag->Find(ID3FID_USERTEXT, ID3FN_DESCRIPTION, desc);
if (frame)
return ID3_GetUnicodeString(frame, ID3FN_TEXT);
else
return 0;
}
wchar_t *ID3_GetUserText(ID3_Tag *tag, wchar_t *desc, wchar_t *dest, size_t destlen)
{
if (tag == NULL)
return NULL;
ID3_Frame *frame = tag->Find(ID3FID_USERTEXT, ID3FN_DESCRIPTION, desc);
if (frame)
return ID3_FillUnicodeString(frame, ID3FN_TEXT, dest, destlen);
else
return 0;
}
wchar_t *ID3_GetTagText(ID3_Tag *tag, ID3_FrameID f)
{
wchar_t *sComposer = NULL;
if (NULL == tag)
{
return sComposer;
}
ID3_Frame *frame = tag->Find(f);
if (frame != NULL)
{
sComposer = ID3_GetUnicodeString(frame, ID3FN_TEXT);
}
return sComposer;
}
wchar_t *ID3_GetTagText(ID3_Tag *tag, ID3_FrameID f, wchar_t *dest, size_t destlen)
{
wchar_t *sComposer = NULL;
if (NULL == tag)
{
return sComposer;
}
ID3_Frame *frame = tag->Find(f);
if (frame != NULL)
{
sComposer = ID3_FillUnicodeString(frame, ID3FN_TEXT, dest, destlen);
}
return sComposer;
}
wchar_t *ID3_GetTagUrl(ID3_Tag *tag, ID3_FrameID f, wchar_t *dest, size_t destlen)
{
wchar_t *sComposer = NULL;
if (NULL == tag)
{
return sComposer;
}
ID3_Frame *frame = tag->Find(f);
if (frame != NULL)
{
sComposer = ID3_FillUnicodeString(frame, ID3FN_URL, dest, destlen);
}
return sComposer;
}
#if 0
char *ID3_GetGenreDisplayable(ID3_Tag *tag)
{
char *sGenre = ID3_GetGenre(tag);
if (!sGenre) return NULL;
while (sGenre && *sGenre == ' ') sGenre++;
if (sGenre[0] == '(' || _isdigit(sGenre[0]))
{
int isparam = !_isdigit(sGenre[0]);
char *pCur = &sGenre[isparam];
int cnt = 0;
while (_isdigit(*pCur))
{
cnt++;
pCur++;
}
while (pCur && *pCur == ' ') pCur++;
if (cnt > 0 && (isparam && *pCur == ')') || (!isparam && !*pCur))
{
// if the genre number is greater than 255, its invalid.
size_t ulGenre = atoi(&sGenre[isparam]);
if (ulGenre >= 0 && ulGenre < numberOfGenres)
{
char *tmp = (char*)malloc(strlen(genres[ulGenre]) + 1);
if (tmp)
{
memcpy(tmp, genres[ulGenre], strlen(genres[ulGenre]) + 1);
free(sGenre);
sGenre = tmp;
}
}
}
}
return sGenre;
}
#endif