diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a547bf3 --- /dev/null +++ b/.gitignore @@ -0,0 +1,24 @@ +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +pnpm-debug.log* +lerna-debug.log* + +node_modules +dist +dist-ssr +*.local + +# Editor directories and files +.vscode/* +!.vscode/extensions.json +.idea +.DS_Store +*.suo +*.ntvs* +*.njsproj +*.sln +*.sw? diff --git a/index.html b/index.html new file mode 100644 index 0000000..cd934a9 --- /dev/null +++ b/index.html @@ -0,0 +1,77 @@ + + + + + + + 音乐播放器 - 波形图可视化 + + +
+
+

音乐播放器

+ + +
+ + + + +
+ + +
+

请选择音乐文件

+
+ + +
+ +
+ + + + + +
+ + + +
+
+
+
+
+
+ 0:00 / 0:00 +
+
+ +
+ + +
+ +
+ + 列表循环 +
+ + +
+ + 条形图 +
+ + +
+ + + 50% +
+
+
+
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b/public/vite.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/src/counter.js b/src/counter.js new file mode 100644 index 0000000..881e2d7 --- /dev/null +++ b/src/counter.js @@ -0,0 +1,9 @@ +export function setupCounter(element) { + let counter = 0 + const setCounter = (count) => { + counter = count + element.innerHTML = `count is ${counter}` + } + element.addEventListener('click', () => setCounter(counter + 1)) + setCounter(0) +} diff --git a/src/javascript.svg b/src/javascript.svg new file mode 100644 index 0000000..f9abb2b --- /dev/null +++ b/src/javascript.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/src/main.js b/src/main.js new file mode 100644 index 0000000..dfe2177 --- /dev/null +++ b/src/main.js @@ -0,0 +1,773 @@ +import './style.css' +import WaveformVisualizer from './waveformVisualizer.js' + +// 音频播放器类 +class AudioPlayer { + constructor() { + this.audio = document.getElementById('audio'); + this.canvas = document.getElementById('waveform'); + this.ctx = this.canvas.getContext('2d'); + this.audioContext = null; + this.analyser = null; + this.source = null; + this.dataArray = null; + this.animationId = null; + this.waveformVisualizer = null; + + // 播放列表相关 + this.playlist = []; + this.currentTrackIndex = 0; + this.isPlayingFolder = false; + this.playbackMode = 'loop'; // 默认列表循环模式：'single', 'loop', 'random' + + // Web Audio API警告标志 + this.webAudioApiWarningShown = false; + + // 自动播放状态跟踪 + this.shouldAutoPlay = false; + + this.initializeElements(); + this.setupEventListeners(); + this.setupCanvas(); + this.setupKeyboardShortcuts(); + this.initializePlayerState(); + } + + initializeElements() { + // 获取所有DOM元素 + this.fileInput = document.getElementById('audioFile'); + this.folderInput = document.getElementById('audioFolder'); + this.playPauseBtn = document.getElementById('playPauseBtn'); + this.prevBtn = document.getElementById('prevBtn'); + this.nextBtn = document.getElementById('nextBtn'); + this.stopBtn = document.getElementById('stopBtn'); + this.progress = document.getElementById('progress'); + this.currentTime = document.getElementById('currentTime'); + this.duration = document.getElementById('duration'); + this.volumeSlider = document.getElementById('volumeSlider'); + this.volumeValue = document.getElementById('volumeValue'); + this.trackName = document.getElementById('trackName'); + this.muteBtn = document.getElementById('muteBtn'); + this.visualizationBtn = document.getElementById('visualizationBtn'); + this.visualizationMode = document.getElementById('visualizationMode'); + this.playbackModeBtn = document.getElementById('playbackModeBtn'); + this.playbackModeText = document.getElementById('playbackModeText'); + this.progressBar = document.getElementById('progressBar'); + this.progressHandle = document.getElementById('progressHandle'); + + // 初始化音频音量和状态 + this.audio.volume = 0.5; // 设置默认音量为50% + this.previousVolume = 0.5; // 用于静音前的音量记忆 + this.isMuted = false; + this.isDraggingProgress = false; // 进度条拖动状态 + } + + setupCanvas() { + // 设置canvas尺寸 + const rect = this.canvas.getBoundingClientRect(); + this.canvas.width = rect.width * window.devicePixelRatio; + this.canvas.height = rect.height * window.devicePixelRatio; + this.ctx.scale(window.devicePixelRatio, window.devicePixelRatio); + this.canvas.style.width = rect.width + 'px'; + this.canvas.style.height = rect.height + 'px'; + } + + setupEventListeners() { + // 文件选择 + this.fileInput.addEventListener('change', (e) => this.handleFileSelect(e)); + this.folderInput.addEventListener('change', (e) => this.handleFolderSelect(e)); + + // 音频结束事件（用于自动播放下一首） + this.audio.addEventListener('ended', () => this.handleTrackEnd()); + + // 播放控制 + this.playPauseBtn.addEventListener('click', () => this.togglePlayPause()); + this.prevBtn.addEventListener('click', () => this.previousTrack()); + this.nextBtn.addEventListener('click', () => this.nextTrack()); + this.stopBtn.addEventListener('click', () => this.stop()); + + // 播放模式切换 + this.playbackModeBtn.addEventListener('click', () => this.togglePlaybackMode()); + + // 音频事件 + this.audio.addEventListener('loadedmetadata', () => this.updateDuration()); + this.audio.addEventListener('timeupdate', () => this.updateProgress()); + this.audio.addEventListener('ended', () => this.stop()); + this.audio.addEventListener('volumechange', () => this.syncVolumeSlider()); + + // 音量控制 - 双向联动 + this.volumeSlider.addEventListener('input', (e) => this.updateVolume(e)); + + // 静音按钮 + this.muteBtn.addEventListener('click', () => this.toggleMute()); + + // Canvas点击切换可视化模式（不再用于跳转进度） + this.canvas.addEventListener('click', () => this.switchVisualization()); + + // 可视化模式切换按钮 + this.visualizationBtn.addEventListener('click', () => this.switchVisualization()); + + // 进度条拖动功能 + this.setupProgressDrag(); + } + + setupProgressDrag() { + // 进度条拖动功能 + let isDragging = false; + + const handleProgressDrag = (e) => { + if (!this.audio.duration) return; + + const rect = this.progressBar.getBoundingClientRect(); + const x = e.clientX - rect.left; + const percentage = Math.max(0, Math.min(1, x / rect.width)); + const newTime = percentage * this.audio.duration; + + this.audio.currentTime = newTime; + this.updateProgressBar(percentage); + }; + + const startDrag = (e) => { + isDragging = true; + this.isDraggingProgress = true; + document.addEventListener('mousemove', handleProgressDrag); + document.addEventListener('mouseup', stopDrag); + handleProgressDrag(e); + }; + + const stopDrag = () => { + isDragging = false; + this.isDraggingProgress = false; + document.removeEventListener('mousemove', handleProgressDrag); + document.removeEventListener('mouseup', stopDrag); + }; + + // 进度条点击 + this.progressBar.addEventListener('click', handleProgressDrag); + + // 拖动手柄 + this.progressHandle.addEventListener('mousedown', startDrag); + + // 防止拖动时选中文本 + this.progressHandle.addEventListener('selectstart', (e) => e.preventDefault()); + } + + updateProgressBar(percentage) { + // 更新进度条显示（不依赖于timeupdate事件） + this.progress.style.width = (percentage * 100) + '%'; + + // 更新手柄位置 + if (this.progressHandle && this.progressBar) { + const handleX = percentage * this.progressBar.offsetWidth - 8; // 8是手柄宽度的一半 + this.progressHandle.style.left = Math.max(-8, Math.min(this.progressBar.offsetWidth - 8, handleX)) + 'px'; + } + } + + handleFileSelect(event) { + const file = event.target.files[0]; + if (file) { + // 单个文件播放模式 + this.isPlayingFolder = false; + this.playlist = []; + this.currentTrackIndex = 0; + + // 清理旧的URL + if (this.audio.src) { + URL.revokeObjectURL(this.audio.src); + } + + const url = URL.createObjectURL(file); + this.audio.src = url; + this.trackName.textContent = file.name; + + // 确保音量设置保持一致 + const currentVolume = this.volumeSlider.value / 100; + this.audio.volume = currentVolume; + + // 设置音频上下文（如果尚未初始化） + this.setupAudioContext(); + } + } + + handleFolderSelect(event) { + const files = Array.from(event.target.files); + if (files.length > 0) { + // 筛选音频文件 - 支持更多格式 + const audioExtensions = ['mp3', 'wav', 'ogg', 'm4a', 'flac', 'aac', 'wma', 'opus', 'webm']; + const audioFiles = files.filter(file => { + const extension = file.name.split('.').pop().toLowerCase(); + return file.type.startsWith('audio/') || audioExtensions.includes(extension); + }); + + if (audioFiles.length > 0) { + // 按文件名排序 + audioFiles.sort((a, b) => a.name.localeCompare(b.name)); + + this.playlist = audioFiles; + this.currentTrackIndex = 0; + this.isPlayingFolder = true; + + // 确保播放模式显示正确（默认列表循环） + this.playbackMode = 'loop'; + this.updatePlaybackModeDisplay(); + + // 确保音频上下文已初始化 + this.setupAudioContext(); + + // 播放第一首 + this.loadTrack(0); + console.log(`已加载文件夹，共${audioFiles.length}首音乐`); + + // 显示成功提示 + this.showFolderLoadedFeedback(audioFiles.length); + } else { + alert('文件夹中没有找到音频文件'); + } + } + } + + showFolderLoadedFeedback(count) { + const feedback = document.createElement('div'); + feedback.textContent = `已加载 ${count} 首音乐`; + feedback.className = 'visualization-feedback'; + feedback.style.background = 'rgba(76, 175, 80, 0.9)'; + + document.body.appendChild(feedback); + + setTimeout(() => { + if (feedback.parentNode) { + feedback.parentNode.removeChild(feedback); + } + }, 2000); + } + + loadTrack(index, shouldAutoPlay = true) { + if (index < 0 || index >= this.playlist.length) return; + + this.currentTrackIndex = index; + const file = this.playlist[index]; + + // 停止当前播放和可视化 + this.stopVisualization(); + + // 清理旧的URL + if (this.audio.src) { + URL.revokeObjectURL(this.audio.src); + } + + const url = URL.createObjectURL(file); + this.audio.src = url; + this.trackName.textContent = `${index + 1}/${this.playlist.length}: ${file.name}`; + + // 确保音量设置保持一致 + const currentVolume = this.volumeSlider.value / 100; + this.audio.volume = currentVolume; + + // 设置音频上下文（如果尚未初始化） + this.setupAudioContext(); + + this.updateNavigationButtons(); + + // 设置自动播放状态 + this.shouldAutoPlay = shouldAutoPlay; + + // 等待音频数据加载完成后播放 + const tryAutoPlay = () => { + if (this.audio.readyState >= 2 && (!this.audio.paused || this.shouldAutoPlay)) { + this.play(); + } + }; + this.audio.addEventListener('loadedmetadata', tryAutoPlay, { once: true }); + this.audio.addEventListener('canplay', tryAutoPlay, { once: true }); + this.audio.addEventListener('loadeddata', tryAutoPlay, { once: true }); + } + + handleTrackEnd() { + if (!this.isPlayingFolder || this.playlist.length === 0) return; + + let nextIndex; + switch (this.playbackMode) { + case 'single': + // 单曲循环 + nextIndex = this.currentTrackIndex; + break; + case 'random': + // 随机播放 + nextIndex = Math.floor(Math.random() * this.playlist.length); + break; + case 'loop': + default: + // 列表循环 + nextIndex = (this.currentTrackIndex + 1) % this.playlist.length; + break; + } + + // 自动播放下一首 + this.loadTrack(nextIndex, true); + } + + nextTrack() { + if (!this.isPlayingFolder || this.playlist.length === 0) return; + + const nextIndex = (this.currentTrackIndex + 1) % this.playlist.length; + this.loadTrack(nextIndex, true); // 自动播放 + } + + previousTrack() { + if (!this.isPlayingFolder || this.playlist.length === 0) return; + + const prevIndex = this.currentTrackIndex === 0 ? this.playlist.length - 1 : this.currentTrackIndex - 1; + this.loadTrack(prevIndex, true); // 自动播放 + } + + setupAudioContext() { + try { + // 首次创建音频上下文 + if (!this.audioContext) { + this.audioContext = new (window.AudioContext || window.webkitAudioContext)(); + this.analyser = this.audioContext.createAnalyser(); + this.analyser.fftSize = 2048; + + const bufferLength = this.analyser.frequencyBinCount; + this.dataArray = new Uint8Array(bufferLength); + + // 初始化高级可视化器 + this.waveformVisualizer = new WaveformVisualizer(this.canvas, this.audioContext, this.analyser); + console.log('音频上下文和可视化器初始化成功'); + } + + // 连接音频源（只在首次或需要重新连接时） + if (this.audioContext && this.analyser && !this.source) { + this.source = this.audioContext.createMediaElementSource(this.audio); + this.source.connect(this.analyser); + this.analyser.connect(this.audioContext.destination); + console.log('音频源连接成功'); + } + } catch (error) { + console.error('音频上下文初始化失败:', error); + if (!this.webAudioApiWarningShown) { + alert('您的浏览器不支持Web Audio API，部分功能可能无法正常使用'); + this.webAudioApiWarningShown = true; + } + } + } + + play() { + if (this.audio.src) { + // 确保音频上下文处于运行状态 + if (this.audioContext && this.audioContext.state === 'suspended') { + this.audioContext.resume(); + } + + this.audio.play().then(() => { + this.startVisualization(); + this.updatePlayPauseButton(true); + document.querySelector('.audio-player').classList.add('playing'); + }).catch(error => { + console.error('播放失败:', error); + alert('播放失败，请检查音频文件'); + }); + } + } + + pause() { + this.audio.pause(); + this.stopVisualization(); + this.updatePlayPauseButton(false); + document.querySelector('.audio-player').classList.remove('playing'); + } + + // 移除旧的togglePlayPause方法，因为已经移到了上面 + + updatePlayPauseButton(isPlaying) { + if (this.playPauseBtn) { + this.playPauseBtn.textContent = isPlaying ? '⏸️' : '▶️'; + } + } + + stop() { + this.audio.pause(); + this.audio.currentTime = 0; + this.stopVisualization(); + this.clearCanvas(); + this.updatePlayPauseButton(false); + document.querySelector('.audio-player').classList.remove('playing'); + } + + updateDuration() { + const duration = this.audio.duration; + this.duration.textContent = this.formatTime(duration); + } + + updateProgress() { + // 只在不拖动时更新进度条 + if (this.isDraggingProgress) return; + const currentTime = this.audio.currentTime; + const duration = this.audio.duration; + const progressPercent = (currentTime / duration) * 100; + this.progress.style.width = progressPercent + '%'; + this.currentTime.textContent = this.formatTime(currentTime); + // 更新手柄位置 + if (this.progressHandle && this.progressBar) { + const handleX = (currentTime / duration) * this.progressBar.offsetWidth - 8; + this.progressHandle.style.left = Math.max(-8, Math.min(this.progressBar.offsetWidth - 8, handleX)) + 'px'; + } + } + + updateVolume(event) { + const volume = event.target.value / 100; + this.audio.volume = volume; + this.volumeValue.textContent = event.target.value + '%'; + + // 更新静音状态 + if (volume > 0 && this.isMuted) { + this.isMuted = false; + } else if (volume === 0 && !this.isMuted) { + this.isMuted = true; + } + + // 如果音量大于0且不是静音状态，保存当前音量 + if (volume > 0 && !this.isMuted) { + this.previousVolume = volume; + } + + this.updateVolumeIcon(Math.round(volume * 100)); + console.log('音量设置为:', volume, '静音状态:', this.isMuted); + } + + syncVolumeSlider() { + // 同步滑块位置与音频实际音量（处理音频元素自身的音量变化） + const currentVolume = Math.round(this.audio.volume * 100); + this.volumeSlider.value = currentVolume; + this.volumeValue.textContent = currentVolume + '%'; + this.updateVolumeIcon(currentVolume); + } + + updateVolumeIcon(volume) { + if (this.muteBtn) { + if (volume === 0 || this.isMuted) { + this.muteBtn.textContent = '🔇'; + this.muteBtn.classList.add('muted'); + } else if (volume < 30) { + this.muteBtn.textContent = '🔈'; + this.muteBtn.classList.remove('muted'); + } else if (volume < 70) { + this.muteBtn.textContent = '🔉'; + this.muteBtn.classList.remove('muted'); + } else { + this.muteBtn.textContent = '🔊'; + this.muteBtn.classList.remove('muted'); + } + } + } + + toggleMute() { + if (this.isMuted) { + // 取消静音，恢复到之前的音量 + this.audio.volume = this.previousVolume; + this.volumeSlider.value = Math.round(this.previousVolume * 100); + this.volumeValue.textContent = Math.round(this.previousVolume * 100) + '%'; + this.isMuted = false; + } else { + // 静音，保存当前音量 + this.previousVolume = this.audio.volume; + this.audio.volume = 0; + this.volumeSlider.value = 0; + this.volumeValue.textContent = '0%'; + this.isMuted = true; + } + this.updateVolumeIcon(this.audio.volume); + console.log(this.isMuted ? '已静音' : '取消静音', '音量:', this.audio.volume); + } + + formatTime(seconds) { + const mins = Math.floor(seconds / 60); + const secs = Math.floor(seconds % 60); + return `${mins}:${secs.toString().padStart(2, '0')}`; + } + + startVisualization() { + if (!this.waveformVisualizer) { + console.warn('可视化器未初始化，使用备用方案'); + this.startBasicVisualization(); + return; + } + + const draw = () => { + this.animationId = requestAnimationFrame(draw); + this.waveformVisualizer.draw(); + }; + + draw(); + } + + startBasicVisualization() { + // 备用基础可视化方案 + if (!this.analyser) return; + + const draw = () => { + this.animationId = requestAnimationFrame(draw); + + this.analyser.getByteFrequencyData(this.dataArray); + + this.ctx.fillStyle = 'rgb(0, 0, 0)'; + this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height); + + const barWidth = (this.canvas.width / this.dataArray.length) * 2.5; + let barHeight; + let x = 0; + + for (let i = 0; i < this.dataArray.length; i++) { + barHeight = (this.dataArray[i] / 255) * this.canvas.height; + + const r = barHeight + (25 * (i / this.dataArray.length)); + const g = 250 * (i / this.dataArray.length); + const b = 50; + + this.ctx.fillStyle = `rgb(${r},${g},${b})`; + this.ctx.fillRect(x, this.canvas.height - barHeight, barWidth, barHeight); + + x += barWidth + 1; + } + }; + + draw(); + } + + stopVisualization() { + if (this.animationId) { + cancelAnimationFrame(this.animationId); + this.animationId = null; + } + } + + clearCanvas() { + if (this.waveformVisualizer) { + this.ctx.fillStyle = 'rgb(0, 0, 0)'; + this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height); + } + } + + switchVisualization() { + if (this.waveformVisualizer) { + this.waveformVisualizer.nextVisualization(); + const currentMode = this.waveformVisualizer.getCurrentVisualization(); + const modeNames = { + 'bars': '条形图', + 'wave': '波形图', + 'circular': '圆形图' + }; + if (this.visualizationMode) { + this.visualizationMode.textContent = modeNames[currentMode] || '条形图'; + console.log('切换到可视化模式:', currentMode); + } + + // 添加视觉反馈 + this.showVisualizationFeedback(currentMode); + } else { + console.warn('可视化器未初始化'); + } + } + + showVisualizationFeedback(mode) { + // 创建切换反馈效果 + const feedback = document.createElement('div'); + feedback.textContent = this.getModeDisplayName(mode); + feedback.className = 'visualization-feedback'; + + document.body.appendChild(feedback); + + // 1.5秒后移除反馈元素 + setTimeout(() => { + if (feedback.parentNode) { + feedback.parentNode.removeChild(feedback); + } + }, 1500); + } + + getModeDisplayName(mode) { + const modeNames = { + 'bars': '🔊 条形图模式', + 'wave': '〰️ 波形图模式', + 'circular': '⭕ 圆形图模式' + }; + return modeNames[mode] || '条形图模式'; + } + + // 键盘快捷键相关方法 + setupKeyboardShortcuts() { + // 键盘快捷键支持 + document.addEventListener('keydown', (e) => { + // 防止在输入框中触发快捷键 + if (e.target.tagName === 'INPUT') return; + + switch (e.key.toLowerCase()) { + case ' ': + e.preventDefault(); + this.togglePlayPause(); + break; + case 'm': + this.toggleMute(); + break; + case 'arrowup': + e.preventDefault(); + this.adjustVolume(5); + break; + case 'arrowdown': + e.preventDefault(); + this.adjustVolume(-5); + break; + case 'arrowleft': + e.preventDefault(); + if (e.ctrlKey && this.isPlayingFolder) { + this.previousTrack(); + } else { + this.skipTime(-5); + } + break; + case 'arrowright': + e.preventDefault(); + if (e.ctrlKey && this.isPlayingFolder) { + this.nextTrack(); + } else { + this.skipTime(5); + } + break; + case 'n': + if (this.isPlayingFolder) { + this.nextTrack(); + } + break; + case 'p': + if (this.isPlayingFolder) { + this.previousTrack(); + } + break; + } + }); + } + + initializePlayerState() { + // 初始化播放器状态 + this.updatePlayPauseButton(false); + document.querySelector('.audio-player').classList.remove('playing'); + + // 初始化播放模式显示（直接设置为列表循环） + this.playbackMode = 'loop'; + this.updatePlaybackModeDisplay(); + + // 初始状态下禁用导航按钮 + this.updateNavigationButtons(); + } + + updateNavigationButtons() { + const hasPlaylist = this.isPlayingFolder && this.playlist.length > 0; + this.prevBtn.disabled = !hasPlaylist; + this.nextBtn.disabled = !hasPlaylist; + this.playbackModeBtn.disabled = !hasPlaylist; + + if (!hasPlaylist) { + this.prevBtn.style.opacity = '0.5'; + this.nextBtn.style.opacity = '0.5'; + this.playbackModeBtn.style.opacity = '0.5'; + } else { + this.prevBtn.style.opacity = '1'; + this.nextBtn.style.opacity = '1'; + this.playbackModeBtn.style.opacity = '1'; + } + } + + togglePlayPause() { + if (this.audio.paused) { + this.play(); + } else { + this.pause(); + } + } + + adjustVolume(change) { + const currentVolume = Math.round(this.audio.volume * 100); + const newVolume = Math.max(0, Math.min(100, currentVolume + change)); + + this.volumeSlider.value = newVolume; + this.audio.volume = newVolume / 100; + this.volumeValue.textContent = newVolume + '%'; + + // 更新静音状态 + if (newVolume > 0 && this.isMuted) { + this.isMuted = false; + } else if (newVolume === 0 && !this.isMuted) { + this.isMuted = true; + } + + if (newVolume > 0 && !this.isMuted) { + this.previousVolume = newVolume / 100; + } + + this.updateVolumeIcon(newVolume); + console.log('键盘调节音量:', newVolume); + } + + skipTime(seconds) { + if (this.audio.duration) { + const newTime = Math.max(0, Math.min(this.audio.duration, this.audio.currentTime + seconds)); + this.audio.currentTime = newTime; + } + } + + updatePlaybackModeDisplay() { + const modeIcons = { + 'loop': '🔁', + 'single': '🔂', + 'random': '🔀' + }; + + const modeTexts = { + 'loop': '列表循环', + 'single': '单曲循环', + 'random': '随机播放' + }; + + if (this.playbackModeBtn && this.playbackModeText) { + this.playbackModeBtn.textContent = modeIcons[this.playbackMode]; + this.playbackModeText.textContent = modeTexts[this.playbackMode]; + } + } + + togglePlaybackMode() { + const modes = ['loop', 'single', 'random']; + const currentIndex = modes.indexOf(this.playbackMode); + this.playbackMode = modes[(currentIndex + 1) % modes.length]; + + this.updatePlaybackModeDisplay(); + + const modeTexts = { + 'loop': '列表循环', + 'single': '单曲循环', + 'random': '随机播放' + }; + + // 添加视觉反馈 + this.showPlaybackModeFeedback(modeTexts[this.playbackMode]); + } + + showPlaybackModeFeedback(modeText) { + const feedback = document.createElement('div'); + feedback.textContent = `播放模式: ${modeText}`; + feedback.className = 'visualization-feedback'; + feedback.style.background = 'rgba(102, 126, 234, 0.9)'; + + document.body.appendChild(feedback); + + setTimeout(() => { + if (feedback.parentNode) { + feedback.parentNode.removeChild(feedback); + } + }, 1500); + } +} + +// 初始化播放器 +document.addEventListener('DOMContentLoaded', () => { + new AudioPlayer(); +}); \ No newline at end of file diff --git a/src/style.css b/src/style.css new file mode 100644 index 0000000..8c6b0da --- /dev/null +++ b/src/style.css @@ -0,0 +1,583 @@ +/* 音乐播放器样式 */ +* { + margin: 0; + padding: 0; + box-sizing: border-box; +} + +body { + font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; + background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); + min-height: 100vh; + display: flex; + justify-content: center; + align-items: center; + padding: 20px; +} + +.audio-player { + background: rgba(255, 255, 255, 0.1); + backdrop-filter: blur(10px); + border-radius: 20px; + padding: 30px; + box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37); + border: 1px solid rgba(255, 255, 255, 0.18); + width: 100%; + max-width: 900px; + color: white; +} + +.audio-player h1 { + text-align: center; + margin-bottom: 20px; + font-size: 2.5em; + font-weight: 300; + text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3); +} + +/* 文件选择器 */ +.file-selector { + margin-bottom: 15px; + text-align: center; + display: flex; + justify-content: center; + gap: 15px; + flex-wrap: wrap; +} + +.folder-label { + background: linear-gradient(45deg, #667eea, #764ba2); +} + +.file-selector input[type="file"] { + display: none; +} + +.file-label { + display: inline-block; + padding: 12px 30px; + background: linear-gradient(45deg, #ff6b6b, #ee5a24); + color: white; + border-radius: 25px; + cursor: pointer; + transition: all 0.3s ease; + font-weight: 500; + box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4); +} + +.file-label:hover { + transform: translateY(-2px); + box-shadow: 0 6px 20px rgba(238, 90, 36, 0.6); +} + +/* 波形图容器 */ +.waveform-container { + margin: 20px 0; + text-align: center; + border-radius: 15px; + overflow: hidden; + box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); + height: 320px; +} + +#waveform { + width: 100%; + height: 100%; + background: #000; + border-radius: 15px; + cursor: pointer; +} + +#waveform:hover { + transform: scale(1.01); +} + +/* 播放控制和进度条容器 */ +.playback-progress-container { + display: flex; + align-items: center; + gap: 15px; + margin: 20px 0; +} + +.control-btn { + padding: 12px 25px; + border: none; + border-radius: 25px; + background: linear-gradient(45deg, #4facfe, #00f2fe); + color: white; + font-size: 16px; + font-weight: 500; + cursor: pointer; + transition: all 0.3s ease; + box-shadow: 0 4px 15px rgba(79, 172, 254, 0.4); + white-space: nowrap; +} + +/* 播放/暂停按钮 */ +.play-pause-btn { + padding: 12px; + border-radius: 50%; + width: 40px; + height: 40px; + font-size: 20px; + display: flex; + align-items: center; + justify-content: center; + background: linear-gradient(90deg, #ff6b6b, #4ecdc4); + box-shadow: 0 3px 12px rgba(255, 107, 107, 0.4); + transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); + border: 2px solid rgba(255, 255, 255, 0.3); +} + +.play-pause-btn:hover { + box-shadow: 0 5px 18px rgba(255, 107, 107, 0.6); + transform: scale(1.08); + border-color: rgba(255, 255, 255, 0.5); +} + +.play-pause-btn:active { + transform: scale(0.95); +} + +/* 停止按钮 */ +.stop-btn { + padding: 10px; + border-radius: 50%; + width: 40px; + height: 40px; + font-size: 16px; + display: flex; + align-items: center; + justify-content: center; + background: linear-gradient(90deg, #667eea, #764ba2); + box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4); + transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); + border: 2px solid rgba(255, 255, 255, 0.2); +} + +.stop-btn:hover { + box-shadow: 0 4px 15px rgba(102, 126, 234, 0.6); + transform: scale(1.08); + border-color: rgba(255, 255, 255, 0.4); +} + +.stop-btn:active { + transform: scale(0.95); +} + +/* 导航按钮（上一首/下一首） */ +.nav-btn { + padding: 10px; + border-radius: 50%; + width: 40px; + height: 40px; + font-size: 16px; + display: flex; + align-items: center; + justify-content: center; + background: linear-gradient(45deg, #4facfe, #00f2fe); + box-shadow: 0 2px 10px rgba(79, 172, 254, 0.4); + transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); + border: 2px solid rgba(255, 255, 255, 0.2); +} + +.nav-btn:hover { + box-shadow: 0 4px 15px rgba(79, 172, 254, 0.6); + transform: scale(1.08); + border-color: rgba(255, 255, 255, 0.4); +} + +.nav-btn:active { + transform: scale(0.95); +} + +.nav-btn:disabled { + opacity: 0.5; + cursor: not-allowed; + transform: none !important; +} + +.control-btn:hover { + transform: translateY(-2px); + box-shadow: 0 6px 20px rgba(79, 172, 254, 0.6); +} + +.control-btn:active { + transform: translateY(0); +} + +/* 进度条 */ +.progress-container { + flex: 1; + user-select: none; /* 防止拖动时选中文本 */ + margin-top: 15px; +} + +.progress-bar { + width: 100%; + height: 6px; + background: rgba(255, 255, 255, 0.15); + border-radius: 3px; + position: relative; + cursor: pointer; + margin-bottom: 8px; + transition: all 0.3s ease; + box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2); +} + +.progress-bar:hover { + height: 8px; + box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2), inset 0 1px 3px rgba(0, 0, 0, 0.2); +} + +.progress { + height: 100%; + background: linear-gradient(90deg, #ff6b6b, #4ecdc4); + width: 0%; + transition: width 0.1s ease; + border-radius: 3px; + position: relative; + box-shadow: 0 1px 3px rgba(255, 107, 107, 0.4); +} + +.progress-handle { + position: absolute; + top: 50%; + right: -6px; + transform: translateY(-50%); + width: 12px; + height: 12px; + background: linear-gradient(45deg, #ff6b6b, #4ecdc4); + border-radius: 50%; + cursor: grab; + box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); + transition: all 0.2s ease; + z-index: 10; + border: 1px solid rgba(255, 255, 255, 0.8); +} + +.progress-handle:hover { + transform: translateY(-50%) scale(1.4); + box-shadow: 0 3px 8px rgba(255, 107, 107, 0.4); + border-width: 2px; +} + +.progress-handle:active { + cursor: grabbing; + transform: translateY(-50%) scale(1.2); + box-shadow: 0 2px 6px rgba(255, 107, 107, 0.6); +} + +.time-display { + text-align: center; + font-size: 14px; + color: rgba(255, 255, 255, 0.8); +} + +/* 底部控制栏 */ +.bottom-controls { + display: flex; + justify-content: space-between; + align-items: center; + gap: 20px; + margin: 20px 0; +} + +/* 播放模式控制 */ +.playback-mode-control { + display: flex; + align-items: center; + gap: 10px; + background: rgba(255, 255, 255, 0.05); + padding: 8px 12px; + border-radius: 20px; + border: 1px solid rgba(255, 255, 255, 0.1); +} + +#playbackModeBtn { + background: linear-gradient(45deg, #ff6b6b, #ee5a24); + padding: 8px 12px; + border-radius: 50%; + width: 36px; + height: 36px; + font-size: 16px; + display: flex; + align-items: center; + justify-content: center; + border: none; + min-width: 36px; +} + +#playbackModeText { + font-size: 14px; + font-weight: 500; + white-space: nowrap; +} + +/* 可视化控制 */ +.visualization-control { + display: flex; + align-items: center; + gap: 15px; +} + +#visualizationBtn { + background: linear-gradient(45deg, #667eea, #764ba2); +} + +#visualizationMode { + font-weight: 500; + color: rgba(255, 255, 255, 0.9); +} + +/* 音量控制 */ +.volume-control { + display: flex; + align-items: center; + gap: 10px; +} + +.volume-control label { + font-weight: 500; + white-space: nowrap; +} + +#volumeSlider { + width: 120px; + height: 5px; + background: rgba(255, 255, 255, 0.3); + border-radius: 5px; + outline: none; + -webkit-appearance: none; +} + +#volumeSlider::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + width: 20px; + height: 20px; + background: linear-gradient(45deg, #ff6b6b, #4ecdc4); + border-radius: 50%; + cursor: pointer; + box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3); +} + +#volumeSlider::-moz-range-thumb { + width: 20px; + height: 20px; + background: linear-gradient(45deg, #ff6b6b, #4ecdc4); + border-radius: 50%; + cursor: pointer; + border: none; + box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3); +} + +#volumeValue { + min-width: 40px; + font-weight: 500; +} + +/* 音量按钮 */ +.volume-btn { + background: linear-gradient(45deg, #667eea, #764ba2); + padding: 8px; + font-size: 16px; + border-radius: 50%; + width: 36px; + height: 36px; + display: flex; + align-items: center; + justify-content: center; + transition: all 0.3s ease; + border: none; + min-width: 36px; +} + +.volume-btn:hover { + transform: scale(1.1); + box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4); +} + +.volume-btn:active { + transform: scale(0.95); +} + +.volume-btn.muted { + background: linear-gradient(45deg, #ff6b6b, #ee5a24); +} + +.volume-btn.muted:hover { + box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4); +} + +/* 曲目信息 */ +.track-info { + text-align: center; + margin: 15px 0; + padding: 10px; + background: rgba(255, 255, 255, 0.1); + border-radius: 10px; + border: 1px solid rgba(255, 255, 255, 0.2); +} + +#trackName { + font-size: 16px; + font-weight: 500; + color: rgba(255, 255, 255, 0.9); + margin: 0; +} + +/* 响应式设计 */ +@media (max-width: 768px) { + .audio-player { + padding: 20px; + margin: 10px; + } + + .audio-player h1 { + font-size: 2em; + } + + .playback-progress-container { + flex-direction: row; + align-items: center; + gap: 10px; + } + + .play-pause-btn { + width: 42px; + height: 42px; + font-size: 16px; + } + + .stop-btn { + width: 32px; + height: 32px; + font-size: 12px; + } + + .waveform-container { + height: 250px; + } + + .bottom-controls { + flex-direction: column; + gap: 15px; + } + + .playback-mode-control { + justify-content: center; + width: 100%; + } + + .visualization-control, + .volume-control { + justify-content: center; + width: 100%; + } + + #volumeSlider { + width: 150px; + } + + .control-btn { + font-size: 14px; + padding: 10px 20px; + } +} + +@media (max-width: 480px) { + .audio-player { + padding: 15px; + } + + .audio-player h1 { + font-size: 1.8em; + } + + .waveform-container { + height: 200px; + } + + .play-pause-btn { + width: 45px; + height: 45px; + font-size: 18px; + } + + .stop-btn { + width: 35px; + height: 35px; + font-size: 14px; + } + + #volumeSlider { + width: 120px; + } +} + +/* 动画效果 */ +@keyframes pulse { + 0% { + transform: scale(1); + } + 50% { + transform: scale(1.05); + } + 100% { + transform: scale(1); + } +} + +@keyframes glow { + 0% { + box-shadow: 0 0 5px rgba(255, 107, 107, 0.5); + } + 50% { + box-shadow: 0 0 20px rgba(255, 107, 107, 0.8), 0 0 30px rgba(255, 107, 107, 0.6); + } + 100% { + box-shadow: 0 0 5px rgba(255, 107, 107, 0.5); + } +} + +.audio-player.playing .play-pause-btn { + animation: glow 2s infinite; + background: linear-gradient(90deg, #ff6b6b, #ff8e53); +} + +@keyframes fadeInOut { + 0% { + opacity: 0; + transform: translate(-50%, -50%) scale(0.8); + } + 20% { + opacity: 1; + transform: translate(-50%, -50%) scale(1); + } + 80% { + opacity: 1; + transform: translate(-50%, -50%) scale(1); + } + 100% { + opacity: 0; + transform: translate(-50%, -50%) scale(0.8); + } +} + +.visualization-feedback { + position: fixed; + top: 50%; + left: 50%; + transform: translate(-50%, -50%); + background: rgba(0, 0, 0, 0.8); + color: white; + padding: 15px 25px; + border-radius: 25px; + font-size: 18px; + font-weight: bold; + z-index: 1000; + pointer-events: none; + animation: fadeInOut 1.5s ease-in-out; +} \ No newline at end of file diff --git a/src/waveformVisualizer.js b/src/waveformVisualizer.js new file mode 100644 index 0000000..3f891f5 --- /dev/null +++ b/src/waveformVisualizer.js @@ -0,0 +1,224 @@ +// 高级波形图可视化器 +class WaveformVisualizer { + constructor(canvas, audioContext, analyser) { + this.canvas = canvas; + this.ctx = canvas.getContext('2d'); + this.audioContext = audioContext; + this.analyser = analyser; + + this.bufferLength = this.analyser.frequencyBinCount; + this.dataArray = new Uint8Array(this.bufferLength); + + this.setupCanvas(); + this.visualizationTypes = ['bars', 'wave', 'circular']; + this.currentVisualization = 0; + } + + setupCanvas() { + const rect = this.canvas.getBoundingClientRect(); + this.canvas.width = rect.width * window.devicePixelRatio; + this.canvas.height = rect.height * window.devicePixelRatio; + this.ctx.scale(window.devicePixelRatio, window.devicePixelRatio); + this.canvas.style.width = rect.width + 'px'; + this.canvas.style.height = rect.height + 'px'; + } + + drawBars() { + this.analyser.getByteFrequencyData(this.dataArray); + + this.ctx.fillStyle = 'rgb(0, 0, 0)'; + this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height); + + const barWidth = (this.canvas.width / this.bufferLength) * 2.5; + let barHeight; + let x = 0; + + for (let i = 0; i < this.bufferLength; i++) { + barHeight = (this.dataArray[i] / 255) * this.canvas.height; + + // 创建渐变效果 + const gradient = this.ctx.createLinearGradient(0, this.canvas.height - barHeight, 0, this.canvas.height); + const r = barHeight + (25 * (i / this.bufferLength)); + const g = 250 * (i / this.bufferLength); + const b = 50; + + gradient.addColorStop(0, `rgb(${r}, ${g}, ${b})`); + gradient.addColorStop(1, `rgb(${Math.floor(r/2)}, ${Math.floor(g/2)}, ${Math.floor(b/2)})`); + + this.ctx.fillStyle = gradient; + this.ctx.fillRect(x, this.canvas.height - barHeight, barWidth, barHeight); + + x += barWidth + 1; + } + } + + drawWave() { + this.analyser.getByteTimeDomainData(this.dataArray); + + this.ctx.fillStyle = 'rgb(0, 0, 0)'; + this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height); + + this.ctx.lineWidth = 2; + this.ctx.strokeStyle = 'rgb(0, 255, 0)'; + this.ctx.beginPath(); + + const sliceWidth = this.canvas.width * 1.0 / this.bufferLength; + let x = 0; + + for (let i = 0; i < this.bufferLength; i++) { + const v = this.dataArray[i] / 128.0; + const y = v * this.canvas.height / 2; + + if (i === 0) { + this.ctx.moveTo(x, y); + } else { + this.ctx.lineTo(x, y); + } + + x += sliceWidth; + } + + this.ctx.lineTo(this.canvas.width, this.canvas.height / 2); + this.ctx.stroke(); + } + + drawCircular() { + this.drawCompactCircular(); + } + + drawCompactCircular() { + // 更紧凑的圆形图版本 - 圆心在画布中央，大小适中 + this.analyser.getByteFrequencyData(this.dataArray); + + this.ctx.fillStyle = 'rgb(0, 0, 0)'; + this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height); + + // 获取画布的实际显示尺寸 + const displayWidth = this.canvas.width / window.devicePixelRatio; + const displayHeight = this.canvas.height / window.devicePixelRatio; + + // 圆心位置在画布中央 + const centerX = displayWidth / 2; + const centerY = displayHeight / 2; + + // 适中的圆形图大小 - 占画布最小尺寸的30-35% + const baseRadius = Math.min(centerX, centerY) * 0.32; + const maxAmplitude = Math.min(centerX, centerY) * 0.22; + + // 绘制频谱线条 - 平衡视觉效果和性能 + const step = Math.max(1, Math.floor(this.bufferLength / 128)); + + for (let i = 0; i < this.bufferLength; i += step) { + const angle = (i / this.bufferLength) * Math.PI * 2; + const amplitude = (this.dataArray[i] / 255) * maxAmplitude; + + // 起始点（基础圆上） + const x1 = centerX + Math.cos(angle) * baseRadius; + const y1 = centerY + Math.sin(angle) * baseRadius; + + // 结束点（根据频率数据延伸） + const x2 = centerX + Math.cos(angle) * (baseRadius + amplitude); + const y2 = centerY + Math.sin(angle) * (baseRadius + amplitude); + + // 根据频率强度计算颜色 + const intensity = this.dataArray[i] / 255; + const hue = (i / this.bufferLength) * 360; + const saturation = 75 + (intensity * 25); + const lightness = 50 + (intensity * 30); + + this.ctx.strokeStyle = `hsl(${hue}, ${saturation}%, ${lightness}%)`; + this.ctx.lineWidth = 1 + (intensity * 1.5); + this.ctx.beginPath(); + this.ctx.moveTo(x1, y1); + this.ctx.lineTo(x2, y2); + this.ctx.stroke(); + } + } + + drawCircular() { + this.analyser.getByteFrequencyData(this.dataArray); + + this.ctx.fillStyle = 'rgb(0, 0, 0)'; + this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height); + + // 获取画布的实际显示尺寸（考虑设备像素比） + const displayWidth = this.canvas.width / window.devicePixelRatio; + const displayHeight = this.canvas.height / window.devicePixelRatio; + + // 圆心位置在画布中央 + const centerX = displayWidth / 2; + const centerY = displayHeight / 2; + + // 缩小圆形图大小，使用较小的半径 + const baseRadius = Math.min(centerX, centerY) * 0.5; // 从0.8改为0.5，缩小一半 + const maxAmplitude = Math.min(centerX, centerY) * 0.5; // 最大振幅也相应缩小 + + // 绘制内部基础圆形（可选，增加层次感） + this.ctx.strokeStyle = 'rgba(255, 255, 255, 0.1)'; + this.ctx.lineWidth = 1; + this.ctx.beginPath(); + this.ctx.arc(centerX, centerY, baseRadius, 0, 2 * Math.PI); + this.ctx.stroke(); + + // 绘制频谱线条 + const step = Math.max(1, Math.floor(this.bufferLength / 128)); // 减少线条数量，提高性能 + + for (let i = 0; i < this.bufferLength; i += step) { + const angle = (i / this.bufferLength) * Math.PI * 2; + const amplitude = (this.dataArray[i] / 255) * maxAmplitude; + + // 起始点（基础圆上） + const x1 = centerX + Math.cos(angle) * baseRadius; + const y1 = centerY + Math.sin(angle) * baseRadius; + + // 结束点（根据频率数据延伸） + const x2 = centerX + Math.cos(angle) * (baseRadius + amplitude); + const y2 = centerY + Math.sin(angle) * (baseRadius + amplitude); + + // 根据频率数据计算颜色 + const intensity = this.dataArray[i] / 255; + const hue = (i / this.bufferLength) * 360; // 彩虹色调 + const saturation = 80 + (intensity * 20); // 饱和度随强度变化 + const lightness = 40 + (intensity * 40); // 亮度随强度变化 + + this.ctx.strokeStyle = `hsl(${hue}, ${saturation}%, ${lightness}%)`; + this.ctx.lineWidth = 1.5 + (intensity * 1.5); // 线条宽度随强度变化 + this.ctx.beginPath(); + this.ctx.moveTo(x1, y1); + this.ctx.lineTo(x2, y2); + this.ctx.stroke(); + } + + // 绘制中心点（可选，增加视觉焦点） + this.ctx.fillStyle = 'rgba(255, 255, 255, 0.8)'; + this.ctx.beginPath(); + this.ctx.arc(centerX, centerY, 2, 0, 2 * Math.PI); + this.ctx.fill(); + } + + draw() { + switch (this.visualizationTypes[this.currentVisualization]) { + case 'bars': + this.drawBars(); + break; + case 'wave': + this.drawWave(); + break; + case 'circular': + this.drawCircular(); + break; + default: + this.drawBars(); + } + } + + nextVisualization() { + this.currentVisualization = (this.currentVisualization + 1) % this.visualizationTypes.length; + } + + getCurrentVisualization() { + return this.visualizationTypes[this.currentVisualization]; + } +} + +export default WaveformVisualizer; \ No newline at end of file diff --git a/vite.config.js b/vite.config.js new file mode 100644 index 0000000..5979927 --- /dev/null +++ b/vite.config.js @@ -0,0 +1,13 @@ +import { defineConfig } from 'vite' + +export default defineConfig({ + // Vite配置选项 + server: { + port: 3000, + open: true + }, + build: { + outDir: 'dist', + assetsDir: 'assets' + } +}) \ No newline at end of file