Update midi editor

2026-02-11 20:32:44 +08:00
parent 2a5fa342ed
commit cf55be0430
9 changed files with 466 additions and 172 deletions
@@ -0,0 +1,196 @@
+export type Lang = 'zh' | 'en'
+
+const zh = {
+  // Header
+  eyebrow: '歌声 MIDI 编辑器',
+  title: 'SoulX-Singer MIDI Editor',
+  subtitle: '导入、拖拽、实时修改歌词并导出标准 MIDI。',
+  switchToLight: '切换到亮色',
+  switchToDark: '切换到暗色',
+  importJson: '导入 JSON',
+  exportJson: '导出 JSON',
+  importMidi: '导入 MIDI',
+  exportMidi: '导出 MIDI',
+  transpose: '移调',
+  transposeTooltip: '整体升降调：所有音符的音高同步改变',
+  transposed: (n: number) => `已移调 ${n > 0 ? '+' : ''}${n} 半音`,
+  fixOverlaps: '消除重叠',
+  fixOverlapsTooltip: '自动消除重叠：将重叠音符的音尾提前到下一个音的音头',
+  jsonImported: (name: string) => `已从 JSON 载入 ${name}`,
+  jsonImportFailed: 'JSON 导入失败，请确认文件格式正确',
+  jsonExported: '已导出 META JSON 文件',
+
+  // Audio bar
+  importAudio: '对齐音频导入',
+  audioHint: '导入后显示音频波形并与 MIDI 同步走带',
+  midiLabel: 'MIDI',
+  audioLabel: '音频',
+
+  // Controls
+  horizontalZoom: '水平缩放',
+  verticalZoom: '垂直缩放',
+  goToStart: '回到开头',
+  back2s: '后退 2 秒',
+  pause: '暂停',
+  playSelection: '播放选区',
+  play: '播放',
+  forward2s: '前进 2 秒',
+  goToEnd: '回到结尾',
+  selectingRange: '选区中',
+  setRange: '设选区',
+  exitSelectMode: '退出选区模式（并清除选区）',
+  setRangeTooltip: '设置选区：在时间轴上拖拽选择播放范围',
+
+  // Status
+  ready: '准备就绪',
+  selectionPlayback: '选区回放中...',
+  playing: '正在回放...',
+  selectionDone: '选区播放完毕',
+  paused: '已暂停',
+  imported: (name: string) => `已载入 ${name}`,
+  importFailed: '导入失败，请确认文件合法',
+  audioImported: (name: string) => `已载入音频 ${name}`,
+  unsupportedFormat: (exts: string) => `不支持的文件格式，请选择音频文件（${exts}）`,
+  fixedOverlaps: (count: number) => `已修复 ${count} 个重叠音符`,
+  noOverlaps: '没有检测到重叠音符',
+  exported: '已导出包含歌词的 MIDI 文件',
+
+  // Lyric table
+  fillPlaceholderSelected: '从选中音符开始按词/字填充',
+  fillPlaceholderDefault: '输入歌词，点击按词/字填充',
+  fillButton: '按词\n填充',
+  lyricPlaceholder: '输入歌词',
+  emptyHint: '导入或双击钢琴卷帘以添加音符',
+  confirmEdit: '确认修改 (Enter)',
+}
+
+const en: typeof zh = {
+  // Header
+  eyebrow: 'Vocal MIDI Editor',
+  title: 'SoulX-Singer MIDI Editor',
+  subtitle: 'Import, drag, edit lyrics in real-time, and export standard MIDI.',
+  switchToLight: 'Switch to light',
+  switchToDark: 'Switch to dark',
+  importJson: 'Import JSON',
+  exportJson: 'Export JSON',
+  importMidi: 'Import MIDI',
+  exportMidi: 'Export MIDI',
+  transpose: 'Transpose',
+  transposeTooltip: 'Transpose all notes up or down by semitones',
+  transposed: (n: number) => `Transposed ${n > 0 ? '+' : ''}${n} semitone(s)`,
+  fixOverlaps: 'Fix Overlaps',
+  fixOverlapsTooltip: 'Auto fix overlaps: trim note end to the start of the next note',
+  jsonImported: (name: string) => `Loaded from JSON ${name}`,
+  jsonImportFailed: 'JSON import failed, please check the file format',
+  jsonExported: 'Exported META JSON file',
+
+  // Audio bar
+  importAudio: 'Import Audio',
+  audioHint: 'Display audio waveform synced with MIDI transport',
+  midiLabel: 'MIDI',
+  audioLabel: 'Audio',
+
+  // Controls
+  horizontalZoom: 'H-Zoom',
+  verticalZoom: 'V-Zoom',
+  goToStart: 'Go to start',
+  back2s: 'Back 2s',
+  pause: 'Pause',
+  playSelection: 'Play selection',
+  play: 'Play',
+  forward2s: 'Forward 2s',
+  goToEnd: 'Go to end',
+  selectingRange: 'Selecting',
+  setRange: 'Select',
+  exitSelectMode: 'Exit selection mode (and clear selection)',
+  setRangeTooltip: 'Set selection: drag on the timeline to select playback range',
+
+  // Status
+  ready: 'Ready',
+  selectionPlayback: 'Playing selection...',
+  playing: 'Playing...',
+  selectionDone: 'Selection playback done',
+  paused: 'Paused',
+  imported: (name: string) => `Loaded ${name}`,
+  importFailed: 'Import failed, please check the file',
+  audioImported: (name: string) => `Loaded audio ${name}`,
+  unsupportedFormat: (exts: string) => `Unsupported format, please select an audio file (${exts})`,
+  fixedOverlaps: (count: number) => `Fixed ${count} overlapping note(s)`,
+  noOverlaps: 'No overlapping notes detected',
+  exported: 'Exported MIDI file with lyrics',
+
+  // Lyric table
+  fillPlaceholderSelected: 'Fill words from selected note',
+  fillPlaceholderDefault: 'Enter lyrics, click fill button',
+  fillButton: 'Fill\nWords',
+  lyricPlaceholder: 'Type lyric',
+  emptyHint: 'Import or double-click piano roll to add notes',
+  confirmEdit: 'Confirm (Enter)',
+}
+
+const translations: Record<Lang, typeof zh> = { zh, en }
+
+export type Translations = typeof zh
+
+export function getTranslations(lang: Lang): Translations {
+  return translations[lang]
+}
+
+// Smart tokenizer for lyrics: CJK characters are individual tokens, Latin words are grouped
+function isCJK(char: string): boolean {
+  const code = char.codePointAt(0) || 0
+  return (
+    (code >= 0x4E00 && code <= 0x9FFF) ||   // CJK Unified Ideographs
+    (code >= 0x3400 && code <= 0x4DBF) ||   // CJK Extension A
+    (code >= 0x20000 && code <= 0x2A6DF) || // CJK Extension B
+    (code >= 0x3040 && code <= 0x309F) ||   // Hiragana
+    (code >= 0x30A0 && code <= 0x30FF) ||   // Katakana
+    (code >= 0xAC00 && code <= 0xD7AF)      // Hangul Syllables
+  )
+}
+
+/**
+ * Tokenize lyrics text for note filling.
+ * - CJK characters: each character becomes one token (one per note)
+ * - Latin/English words: each space-separated word becomes one token (one per note)
+ * - Mixed text is handled correctly
+ *
+ * Examples:
+ *   "你好世界"     -> ["你", "好", "世", "界"]
+ *   "hello world"  -> ["hello", "world"]
+ *   "I love 你"    -> ["I", "love", "你"]
+ *   "something wrong" -> ["something", "wrong"]
+ */
+export function tokenizeLyrics(text: string): string[] {
+  const tokens: string[] = []
+  const cleaned = text.trim()
+  if (!cleaned) return tokens
+
+  let i = 0
+  while (i < cleaned.length) {
+    const char = cleaned[i]
+
+    // Skip whitespace
+    if (/\s/.test(char)) {
+      i++
+      continue
+    }
+
+    // CJK character - each is a separate token
+    if (isCJK(char)) {
+      tokens.push(char)
+      i++
+      continue
+    }
+
+    // Latin/number/other - collect until whitespace or CJK
+    let word = ''
+    while (i < cleaned.length && !/\s/.test(cleaned[i]) && !isCJK(cleaned[i])) {
+      word += cleaned[i]
+      i++
+    }
+    if (word) tokens.push(word)
+  }
+
+  return tokens
+}