ref: bbc7f161baf39a034cf02ae841e3ce72939e82ce
dir: /plugins/QCDMp4/QCDMp4Tag.cpp/
#include <mp4.h> #include <faad.h> #include "QCDTagsDLL.h" //.............................................................................. // Global Variables typedef struct tag { char *item; char *value; } tag; typedef struct medialib_tags { struct tag *tags; unsigned int count; } medialib_tags; int tag_add_field(medialib_tags *tags, const char *item, const char *value) { void *backup = (void *)tags->tags; if (!item || (item && !*item) || !value) return 0; tags->tags = (struct tag *)realloc(tags->tags, (tags->count+1) * sizeof(tag)); if (!tags->tags) { if (backup) free(backup); return 0; } else { int i_len = strlen(item); int v_len = strlen(value); tags->tags[tags->count].item = (char *)malloc(i_len+1); tags->tags[tags->count].value = (char *)malloc(v_len+1); if (!tags->tags[tags->count].item || !tags->tags[tags->count].value) { if (!tags->tags[tags->count].item) free (tags->tags[tags->count].item); if (!tags->tags[tags->count].value) free (tags->tags[tags->count].value); tags->tags[tags->count].item = NULL; tags->tags[tags->count].value = NULL; return 0; } memcpy(tags->tags[tags->count].item, item, i_len); memcpy(tags->tags[tags->count].value, value, v_len); tags->tags[tags->count].item[i_len] = '\0'; tags->tags[tags->count].value[v_len] = '\0'; tags->count++; return 1; } } int tag_set_field(medialib_tags *tags, const char *item, const char *value) { unsigned int i; if (!item || (item && !*item) || !value) return 0; for (i = 0; i < tags->count; i++) { if (!stricmp(tags->tags[i].item, item)) { void *backup = (void *)tags->tags[i].value; int v_len = strlen(value); tags->tags[i].value = (char *)realloc(tags->tags[i].value, v_len+1); if (!tags->tags[i].value) { if (backup) free(backup); return 0; } memcpy(tags->tags[i].value, value, v_len); tags->tags[i].value[v_len] = '\0'; return 1; } } return tag_add_field(tags, item, value); } void tag_delete(medialib_tags *tags) { unsigned int i; for (i = 0; i < tags->count; i++) { if (tags->tags[i].item) free(tags->tags[i].item); if (tags->tags[i].value) free(tags->tags[i].value); } if (tags->tags) free(tags->tags); tags->tags = NULL; tags->count = 0; } int ReadMP4Tag(MP4FileHandle file, medialib_tags *tags) { unsigned __int32 valueSize; unsigned __int8 *pValue; char *pName; unsigned int i = 0; do { pName = 0; pValue = 0; valueSize = 0; MP4GetMetadataByIndex(file, i, (const char **)&pName, &pValue, &valueSize); if (valueSize > 0) { char *val = (char *)malloc(valueSize+1); if (!val) return 0; memcpy(val, pValue, valueSize); val[valueSize] = '\0'; if (pName[0] == '\xa9') { if (memcmp(pName, "�nam", 4) == 0) { tag_add_field(tags, "title", val); } else if (memcmp(pName, "�ART", 4) == 0) { tag_add_field(tags, "artist", val); } else if (memcmp(pName, "�wrt", 4) == 0) { tag_add_field(tags, "writer", val); } else if (memcmp(pName, "�alb", 4) == 0) { tag_add_field(tags, "album", val); } else if (memcmp(pName, "�day", 4) == 0) { tag_add_field(tags, "date", val); } else if (memcmp(pName, "�too", 4) == 0) { tag_add_field(tags, "tool", val); } else if (memcmp(pName, "�cmt", 4) == 0) { tag_add_field(tags, "comment", val); } else if (memcmp(pName, "�gen", 4) == 0) { tag_add_field(tags, "genre", val); } else { tag_add_field(tags, pName, val); } } else if (memcmp(pName, "gnre", 4) == 0) { char *t=0; if (MP4GetMetadataGenre(file, &t)) { tag_add_field(tags, "genre", t); } } else if (memcmp(pName, "trkn", 4) == 0) { unsigned __int16 trkn = 0, tot = 0; char t[200]; if (MP4GetMetadataTrack(file, &trkn, &tot)) { if (tot > 0) wsprintf(t, "%d/%d", trkn, tot); else wsprintf(t, "%d", trkn); tag_add_field(tags, "tracknumber", t); } } else if (memcmp(pName, "disk", 4) == 0) { unsigned __int16 disk = 0, tot = 0; char t[200]; if (MP4GetMetadataDisk(file, &disk, &tot)) { if (tot > 0) wsprintf(t, "%d/%d", disk, tot); else wsprintf(t, "%d", disk); tag_add_field(tags, "disc", t); } } else if (memcmp(pName, "cpil", 4) == 0) { unsigned __int8 cpil = 0; char t[200]; if (MP4GetMetadataCompilation(file, &cpil)) { wsprintf(t, "%d", cpil); tag_add_field(tags, "compilation", t); } } else if (memcmp(pName, "tmpo", 4) == 0) { unsigned __int16 tempo = 0; char t[200]; if (MP4GetMetadataTempo(file, &tempo)) { wsprintf(t, "%d BPM", tempo); tag_add_field(tags, "tempo", t); } } else if (memcmp(pName, "NDFL", 4) == 0) { /* Removed */ } else { tag_add_field(tags, pName, val); } free(val); } i++; } while (valueSize > 0); return 1; } int mp4_set_metadata(MP4FileHandle file, const char *item, const char *val) { if (!item || (item && !*item) || !val || (val && !*val)) return 0; if (!stricmp(item, "track") || !stricmp(item, "tracknumber")) { unsigned __int16 trkn, tot; int t1 = 0, t2 = 0; sscanf(val, "%d/%d", &t1, &t2); trkn = t1, tot = t2; if (!trkn) return 1; if (MP4SetMetadataTrack(file, trkn, tot)) return 1; } else if (!stricmp(item, "disc") || !stricmp(item, "disknumber")) { unsigned __int16 disk, tot; int t1 = 0, t2 = 0; sscanf(val, "%d/%d", &t1, &t2); disk = t1, tot = t2; if (!disk) return 1; if (MP4SetMetadataDisk(file, disk, tot)) return 1; } else if (!stricmp(item, "compilation")) { unsigned __int8 cpil = atoi(val); if (!cpil) return 1; if (MP4SetMetadataCompilation(file, cpil)) return 1; } else if (!stricmp(item, "tempo")) { unsigned __int16 tempo = atoi(val); if (!tempo) return 1; if (MP4SetMetadataTempo(file, tempo)) return 1; } else if (!stricmp(item, "artist")) { if (MP4SetMetadataArtist(file, val)) return 1; } else if (!stricmp(item, "writer")) { if (MP4SetMetadataWriter(file, val)) return 1; } else if (!stricmp(item, "title")) { if (MP4SetMetadataName(file, val)) return 1; } else if (!stricmp(item, "album")) { if (MP4SetMetadataAlbum(file, val)) return 1; } else if (!stricmp(item, "date") || !stricmp(item, "year")) { if (MP4SetMetadataYear(file, val)) return 1; } else if (!stricmp(item, "comment")) { if (MP4SetMetadataComment(file, val)) return 1; } else if (!stricmp(item, "genre")) { if (MP4SetMetadataGenre(file, val)) return 1; } else if (!stricmp(item, "tool")) { if (MP4SetMetadataTool(file, val)) return 1; } else { if (MP4SetMetadataFreeForm(file, (char *)item, (u_int8_t *)val, (u_int32_t)strlen(val) + 1)) return 1; } return 0; } void WriteMP4Tag(MP4FileHandle file, const medialib_tags *tags) { unsigned int i; for (i = 0; i < tags->count; i++) { const char *item = tags->tags[i].item; const char *value = tags->tags[i].value; if (value && *value) { mp4_set_metadata(file, item, value); } } } QCDModInitTag ModInitTag; medialib_tags tags; 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 tag_delete(&tags); } //----------------------------------------------------------------------------- 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; u_int32_t 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); //if (dummy) //{ // wsprintf(dummy1, "%d", dummy); // SetDlgItemText(hwndDlg,IDC_METATEMPO, dummy1); //} dummy = 0; dummy2 = 0; MP4GetMetadataTrack(file, (unsigned __int16*)&dummy, (unsigned __int16*)&dummy2); if (dummy) { wsprintf(dummy1, "%d", dummy); ModInitTag.SetFieldA(tagHandle, TAGFIELD_TRACK, dummy1); } //if (dumm2) //{ // wsprintf(dummy1, "%d", dummy2); // SetDlgItemText(hwndDlg,IDC_METATRACK2, dummy1); //} //dummy = 0; dummy2 = 0; //MP4GetMetadataDisk(file, &dummy, &dummy2); //if (dummy) //{ // wsprintf(dummy1, "%d", dummy); // SetDlgItemText(hwndDlg,IDC_METADISK1, dummy1); //} //if (dummy) //{ // wsprintf(dummy1, "%d", dummy2); // SetDlgItemText(hwndDlg,IDC_METADISK2, dummy1); //} pVal = NULL; if (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]; char temp[1024]; short dummy, dummy2; #ifdef DEBUG_OUTPUT in_mp4_DebugOutput("mp4_tag_write"); #endif /* save Metadata changes */ tag_delete(&tags); file = MP4Read(filename, 0); if (file != MP4_INVALID_FILE_HANDLE) { ReadMP4Tag(file, &tags); MP4Close(file); file = MP4Modify(filename, 0, 0); if (file != MP4_INVALID_FILE_HANDLE) { MP4MetadataDelete(file); MP4Close(file); } } file = MP4Modify(filename, 0, 0); if (file == MP4_INVALID_FILE_HANDLE) { tag_delete(&tags); //EndDialog(hwndDlg, wParam); return false; } uGetDlgItemText(tagHandle, TAGFIELD_TITLE, dummy1, 1024); tag_set_field(&tags, "title", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_COMPOSER, dummy1, 1024); tag_set_field(&tags, "writer", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_ARTIST, dummy1, 1024); tag_set_field(&tags, "artist", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_ALBUM, dummy1, 1024); tag_set_field(&tags, "album", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_COMMENT, dummy1, 1024); tag_set_field(&tags, "comment", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_GENRE, dummy1, 1024); tag_set_field(&tags, "genre", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_YEAR, dummy1, 1024); tag_set_field(&tags, "year", dummy1); dummy = 0; MP4GetMetadataTrack(file, (unsigned __int16*)&dummy, (unsigned __int16*)&dummy2); memcpy(dummy1, ModInitTag.GetFieldA(tagHandle, TAGFIELD_TRACK), sizeof(dummy1)); dummy = atoi(dummy1); wsprintf(temp, "%d/%d", dummy, dummy2); tag_set_field(&tags, "track", temp); //GetDlgItemText(hwndDlg, IDC_METADISK1, dummy1, 1024); //dummy = atoi(dummy1); //GetDlgItemText(hwndDlg, IDC_METADISK2, dummy1, 1024); //dummy2 = atoi(dummy1); //wsprintf(temp, "%d/%d", dummy, dummy2); //tag_set_field(&tags, "disc", temp); //GetDlgItemText(hwndDlg, IDC_METATEMPO, dummy1, 1024); //tag_set_field(&tags, "tempo", dummy1); //dummy3 = SendMessage(GetDlgItem(hwndDlg, IDC_METACOMPILATION), BM_GETCHECK, 0, 0); //tag_set_field(&tags, "compilation", (dummy3 ? "1" : "0")); uGetDlgItemText(tagHandle, TAGFIELD_ENCODER, dummy1, 1024); tag_set_field(&tags, "tool", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_CONDUCTOR, dummy1, 1024); tag_set_field(&tags, "CONDUCTOR", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_ORCHESTRA, dummy1, 1024); tag_set_field(&tags, "ORCHESTRA", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_YEARCOMPOSED, dummy1, 1024); tag_set_field(&tags, "YEARCOMPOSED", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_ORIGARTIST, dummy1, 1024); tag_set_field(&tags, "ORIGARTIST", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_LABEL, dummy1, 1024); tag_set_field(&tags, "LABEL", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_COPYRIGHT, dummy1, 1024); tag_set_field(&tags, "COPYRIGHT", dummy1); uGetDlgItemText(tagHandle, TAGFIELD_CDDBTAGID, dummy1, 1024); tag_set_field(&tags, "CDDBTAGID", dummy1); WriteMP4Tag(file, &tags); 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; 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 || !max) 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); memset(str, '\0', max); 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; }