ref: db2046678ef6046c6c0561ae6db0dfc999712f72
dir: /plugins/QCDMp4/QCDMp4Tag.cpp/
#include <mp4.h>
#include <faad.h>
#include "QCDTagsDLL.h"
//..............................................................................
// Global Variables
QCDModInitTag ModInitTag;
BOOL uSetDlgItemText(void *tagHandle, int fieldId, const char *str);
UINT uGetDlgItemText(void *tagHandle, int fieldId, char *str, int max);
//------------------------------------------------------------------------------
PLUGIN_API QCDModInitTag* TAGEDITORDLL_ENTRY_POINT()
{
ModInitTag.size = sizeof(QCDModInitTag);
ModInitTag.version = PLUGIN_API_VERSION;
ModInitTag.ShutDown = ShutDown_Tag;
ModInitTag.Read = Read_Tag;
ModInitTag.Write = Write_Tag; // Leave null for operations that plugin does not support
ModInitTag.Strip = Strip_Tag; // ie: if plugin only reads tags, leave Write and Strip null
ModInitTag.description = "MP4 Tags";
ModInitTag.defaultexts = "MP4:M4A";
return &ModInitTag;
}
//-----------------------------------------------------------------------------
void ShutDown_Tag(int flags)
{
// TODO:
// prepare plugin to be unloaded. All allocations should be freed.
// flags param is unused
}
//-----------------------------------------------------------------------------
bool Read_Tag(LPCSTR filename, void* tagHandle)
{
// TODO:
// read metadata from tag and set each field to tagHandle
// only TAGFIELD_* are supported (see QCDModTagEditor.h)
// example of how to set value to tagHandle
// use SetFieldA for ASCII or MultiBytes strings.
// use SetFieldW for UNICODE strings
//
// ModInitTag.SetFieldW(tagHandle, TAGFIELD_COMPOSER, szwValue);
// return true for successfull read, false for failure
MP4FileHandle file = MP4_INVALID_FILE_HANDLE;
char *pVal, dummy1[1024];
short dummy, dummy2;
unsigned __int32 valueSize = 0;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("mp4_tag_read");
#endif
file = MP4Read(filename, 0);
if (file == MP4_INVALID_FILE_HANDLE)
return false;
/* get Metadata */
pVal = NULL;
MP4GetMetadataName(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_TITLE, pVal);
pVal = NULL;
MP4GetMetadataArtist(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_ARTIST, pVal);
pVal = NULL;
MP4GetMetadataWriter(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_COMPOSER, pVal);
pVal = NULL;
MP4GetMetadataComment(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_COMMENT, pVal);
pVal = NULL;
MP4GetMetadataAlbum(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_ALBUM, pVal);
pVal = NULL;
MP4GetMetadataGenre(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_GENRE, pVal);
//dummy = 0;
//MP4GetMetadataTempo(file, &dummy);
//wsprintf(dummy1, "%d", dummy);
//SetDlgItemText(hwndDlg,IDC_METATEMPO, dummy1);
dummy = 0; dummy2 = 0;
MP4GetMetadataTrack(file, (unsigned __int16*)&dummy, (unsigned __int16*)&dummy2);
wsprintf(dummy1, "%d", dummy);
ModInitTag.SetFieldA(tagHandle, TAGFIELD_TRACK, dummy1);
//wsprintf(dummy1, "%d", dummy2);
//SetDlgItemText(hwndDlg,IDC_METATRACK2, dummy1);
//dummy = 0; dummy2 = 0;
//MP4GetMetadataDisk(file, &dummy, &dummy2);
//wsprintf(dummy1, "%d", dummy);
//SetDlgItemText(hwndDlg,IDC_METADISK1, dummy1);
//wsprintf(dummy1, "%d", dummy2);
//SetDlgItemText(hwndDlg,IDC_METADISK2, dummy1);
pVal = NULL;
MP4GetMetadataYear(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_YEAR, pVal);
//dummy3 = 0;
//MP4GetMetadataCompilation(file, &dummy3);
//if (dummy3)
// SendMessage(GetDlgItem(hwndDlg, IDC_METACOMPILATION), BM_SETCHECK, BST_CHECKED, 0);
pVal = NULL;
MP4GetMetadataTool(file, &pVal);
uSetDlgItemText(tagHandle, TAGFIELD_ENCODER, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "CONDUCTOR", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_CONDUCTOR, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "ORCHESTRA", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_ORCHESTRA, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "YEARCOMPOSED", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_YEARCOMPOSED, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "ORIGARTIST", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_ORIGARTIST, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "LABEL", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_LABEL, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "COPYRIGHT", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_COPYRIGHT, pVal);
pVal = NULL;
MP4GetMetadataFreeForm(file, "CDDBTAGID", (unsigned __int8**)&pVal, &valueSize);
uSetDlgItemText(tagHandle, TAGFIELD_CDDBTAGID, pVal);
/* ! Metadata */
MP4Close(file);
return true;
}
//-----------------------------------------------------------------------------
bool Write_Tag(LPCSTR filename, void* tagHandle)
{
// TODO:
// read metadata from tagHandle and set each field to supported tag
// only TAGFIELD_* are supported (see QCDModTagEditor.h)
// example of how to get value from tagHandle
// use SetFieldA for ASCII or MultiBytes strings.
// use SetFieldW for UNICODE strings
//
// szwValue = ModInitTag.GetFieldW(tagHandle, TAGFIELD_ORCHESTRA);
// write tag to file
MP4FileHandle file = MP4_INVALID_FILE_HANDLE;
char dummy1[1024];
short dummy, dummy2;
#ifdef DEBUG_OUTPUT
in_mp4_DebugOutput("mp4_tag_write");
#endif
/* save Metadata changes */
file = MP4Modify(filename, 0, 0);
if (file == MP4_INVALID_FILE_HANDLE)
return false;
uGetDlgItemText(tagHandle, TAGFIELD_TITLE, dummy1, 1024);
MP4SetMetadataName(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_COMPOSER, dummy1, 1024);
MP4SetMetadataWriter(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_ARTIST, dummy1, 1024);
MP4SetMetadataArtist(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_ALBUM, dummy1, 1024);
MP4SetMetadataAlbum(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_COMMENT, dummy1, 1024);
MP4SetMetadataComment(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_GENRE, dummy1, 1024);
MP4SetMetadataGenre(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_YEAR, dummy1, 1024);
MP4SetMetadataYear(file, dummy1);
dummy = 0; dummy2 = 0;
MP4GetMetadataTrack(file, (unsigned __int16*)&dummy, (unsigned __int16*)&dummy2);
memcpy(dummy1, ModInitTag.GetFieldA(tagHandle, TAGFIELD_TRACK), sizeof(dummy1));
//GetDlgItemText(hwndDlg, IDC_METATRACK1, dummy1, 1024);
dummy = atoi(dummy1);
//GetDlgItemText(hwndDlg, IDC_METATRACK2, dummy1, 1024);
//dummy2 = atoi(dummy1);
MP4SetMetadataTrack(file, dummy, dummy2);
//GetDlgItemText(hwndDlg, IDC_METADISK1, dummy1, 1024);
//dummy = atoi(dummy1);
//GetDlgItemText(hwndDlg, IDC_METADISK2, dummy1, 1024);
//dummy2 = atoi(dummy1);
//MP4SetMetadataDisk(file, dummy, dummy2);
//GetDlgItemText(hwndDlg, IDC_METATEMPO, dummy1, 1024);
//dummy = atoi(dummy1);
//MP4SetMetadataTempo(file, dummy);
//dummy3 = SendMessage(GetDlgItem(hwndDlg, IDC_METACOMPILATION), BM_GETCHECK, 0, 0);
//MP4SetMetadataCompilation(file, dummy3);
uGetDlgItemText(tagHandle, TAGFIELD_ENCODER, dummy1, 1024);
MP4SetMetadataTool(file, dummy1);
uGetDlgItemText(tagHandle, TAGFIELD_CONDUCTOR, dummy1, 1024);
MP4SetMetadataFreeForm(file, "CONDUCTOR", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
uGetDlgItemText(tagHandle, TAGFIELD_ORCHESTRA, dummy1, 1024);
MP4SetMetadataFreeForm(file, "ORCHESTRA", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
uGetDlgItemText(tagHandle, TAGFIELD_YEARCOMPOSED, dummy1, 1024);
MP4SetMetadataFreeForm(file, "YEARCOMPOSED", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
uGetDlgItemText(tagHandle, TAGFIELD_ORIGARTIST, dummy1, 1024);
MP4SetMetadataFreeForm(file, "ORIGARTIST", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
uGetDlgItemText(tagHandle, TAGFIELD_LABEL, dummy1, 1024);
MP4SetMetadataFreeForm(file, "LABEL", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
uGetDlgItemText(tagHandle, TAGFIELD_COPYRIGHT, dummy1, 1024);
MP4SetMetadataFreeForm(file, "COPYRIGHT", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
uGetDlgItemText(tagHandle, TAGFIELD_CDDBTAGID, dummy1, 1024);
MP4SetMetadataFreeForm(file, "CDDBTAGID", (unsigned __int8*)dummy1, strlen(dummy1) + 1);
MP4Close(file);
MP4Optimize(filename, NULL, 0);
/* ! */
return true;
}
//-----------------------------------------------------------------------------
bool Strip_Tag(LPCSTR filename)
{
// TODO:
// remove tag from file.
// do whatever is need to remove the supported tag from filename
// return true for successfull strip, false for failure
MP4FileHandle file;
file = MP4Modify(filename, 0, 0);
if (file == MP4_INVALID_FILE_HANDLE)
return false;
MP4MetadataDelete(file);
MP4Close(file);
return true;
}
//-----------------------------------------------------------------------------
/* Convert UNICODE to UTF-8
Return number of bytes written */
int unicodeToUtf8 ( const WCHAR* lpWideCharStr, char* lpMultiByteStr, int cwcChars )
{
const unsigned short* pwc = (unsigned short *)lpWideCharStr;
unsigned char* pmb = (unsigned char *)lpMultiByteStr;
const unsigned short* pwce;
size_t cBytes = 0;
if ( cwcChars >= 0 ) {
pwce = pwc + cwcChars;
} else {
pwce = (unsigned short *)((size_t)-1);
}
while ( pwc < pwce ) {
unsigned short wc = *pwc++;
if ( wc < 0x00000080 ) {
*pmb++ = (char)wc;
cBytes++;
} else
if ( wc < 0x00000800 ) {
*pmb++ = (char)(0xC0 | ((wc >> 6) & 0x1F));
cBytes++;
*pmb++ = (char)(0x80 | (wc & 0x3F));
cBytes++;
} else
if ( wc < 0x00010000 ) {
*pmb++ = (char)(0xE0 | ((wc >> 12) & 0x0F));
cBytes++;
*pmb++ = (char)(0x80 | ((wc >> 6) & 0x3F));
cBytes++;
*pmb++ = (char)(0x80 | (wc & 0x3F));
cBytes++;
}
if ( wc == L'\0' )
return cBytes;
}
return cBytes;
}
/* Convert UTF-8 coded string to UNICODE
Return number of characters converted */
int utf8ToUnicode ( const char* lpMultiByteStr, WCHAR* lpWideCharStr, int cmbChars )
{
const unsigned char* pmb = (unsigned char *)lpMultiByteStr;
unsigned short* pwc = (unsigned short *)lpWideCharStr;
const unsigned char* pmbe;
size_t cwChars = 0;
if ( cmbChars >= 0 ) {
pmbe = pmb + cmbChars;
} else {
pmbe = (unsigned char *)((size_t)-1);
}
while ( pmb < pmbe ) {
char mb = *pmb++;
unsigned int cc = 0;
unsigned int wc;
while ( (cc < 7) && (mb & (1 << (7 - cc)))) {
cc++;
}
if ( cc == 1 || cc > 6 ) // illegal character combination for UTF-8
continue;
if ( cc == 0 ) {
wc = mb;
} else {
wc = (mb & ((1 << (7 - cc)) - 1)) << ((cc - 1) * 6);
while ( --cc > 0 ) {
if ( pmb == pmbe ) // reached end of the buffer
return cwChars;
mb = *pmb++;
if ( ((mb >> 6) & 0x03) != 2 ) // not part of multibyte character
return cwChars;
wc |= (mb & 0x3F) << ((cc - 1) * 6);
}
}
if ( wc & 0xFFFF0000 )
wc = L'?';
*pwc++ = wc;
cwChars++;
if ( wc == L'\0' )
return cwChars;
}
return cwChars;
}
/* convert Windows ANSI to UTF-8 */
int ConvertANSIToUTF8 ( const char* ansi, char* utf8 )
{
WCHAR* wszValue; // Unicode value
size_t ansi_len;
size_t len;
*utf8 = '\0';
if ( ansi == NULL )
return 0;
ansi_len = strlen ( ansi );
if ( (wszValue = (WCHAR *)malloc ( (ansi_len + 1) * 2 )) == NULL )
return 0;
/* Convert ANSI value to Unicode */
if ( (len = MultiByteToWideChar ( CP_ACP, 0, ansi, ansi_len + 1, wszValue, (ansi_len + 1) * 2 )) == 0 ) {
free ( wszValue );
return 0;
}
/* Convert Unicode value to UTF-8 */
if ( (len = unicodeToUtf8 ( wszValue, utf8, -1 )) == 0 ) {
free ( wszValue );
return 0;
}
free ( wszValue );
return len-1;
}
/* convert UTF-8 to Windows ANSI */
int ConvertUTF8ToANSI ( const char* utf8, char* ansi )
{
WCHAR* wszValue; // Unicode value
size_t utf8_len;
size_t len;
*ansi = '\0';
if ( utf8 == NULL )
return 0;
utf8_len = strlen ( utf8 );
if ( (wszValue = (WCHAR *)malloc ( (utf8_len + 1) * 2 )) == NULL )
return 0;
/* Convert UTF-8 value to Unicode */
if ( (len = utf8ToUnicode ( utf8, wszValue, utf8_len + 1 )) == 0 ) {
free ( wszValue );
return 0;
}
/* Convert Unicode value to ANSI */
if ( (len = WideCharToMultiByte ( CP_ACP, 0, wszValue, -1, ansi, (utf8_len + 1) * 2, NULL, NULL )) == 0 ) {
free ( wszValue );
return 0;
}
free ( wszValue );
return len-1;
}
BOOL uSetDlgItemText(void *tagHandle, int fieldId, const char *str)
{
char *temp;
size_t len;
int r;
if (!str) return FALSE;
len = strlen(str);
temp = (char *)malloc(len+1);
if (!temp) return FALSE;
memset(temp, '\0', len+1);
r = ConvertUTF8ToANSI(str, temp);
if (r > 0)
ModInitTag.SetFieldA(tagHandle, fieldId, temp);
free(temp);
return r>0 ? TRUE : FALSE;
}
UINT uGetDlgItemText(void *tagHandle, int fieldId, char *str, int max)
{
char *temp, *utf8;;
int len;
const char *p;
if (!str) return 0;
len = strlen( ModInitTag.GetFieldA(tagHandle, fieldId) );
temp = (char *)malloc(len+1);
if (!temp) return 0;
utf8 = (char *)malloc((len+1)*4);
if (!utf8)
{
free(temp);
return 0;
}
memset(temp, '\0', len+1);
memset(utf8, '\0', (len+1)*4);
p = ModInitTag.GetFieldA(tagHandle, fieldId);
memcpy(temp, p, len+1);
if (len > 0)
{
len = ConvertANSIToUTF8(temp, utf8);
if (len > max-1)
{
len = max-1;
utf8[max] = '\0';
}
memcpy(str, utf8, len+1);
}
free(temp);
free(utf8);
return len;
}