Spaces:
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Update index.html
Browse files- index.html +13 -14
index.html
CHANGED
@@ -71,14 +71,24 @@
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const volumeInput = document.getElementById('volumeInput');
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const loopCheckbox = document.getElementById('loopCheckbox');
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// Web Audio API
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const audioContext = new (window.AudioContext || window.webkitAudioContext)();
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const gainNode = audioContext.createGain();
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const sourceNode = audioContext.createMediaElementSource(video);
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sourceNode.connect(gainNode);
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gainNode.connect(audioContext.destination);
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//
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function updatePlaybackRate(value) {
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const speed = parseFloat(value);
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speedInput.value = speed;
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@@ -86,16 +96,7 @@
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video.playbackRate = speed;
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}
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//
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function updateVolume(value) {
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const volume = parseFloat(value);
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volumeInput.value = volume;
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volumeRange.value = volume;
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// GainNodeの音量設定(1.0以上)
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gainNode.gain.value = volume / 100; // 0〜1の範囲として設定
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}
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// イベントリスナーの設定
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['input', 'change', 'mouseup'].forEach(eventName => {
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speedRange.addEventListener(eventName, () => {
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updatePlaybackRate(speedRange.value);
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@@ -117,7 +118,6 @@
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video.loop = loopCheckbox.checked;
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});
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// 全画面モード
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function goFullscreen() {
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if (video.requestFullscreen) {
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video.requestFullscreen();
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@@ -128,7 +128,6 @@
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}
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}
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// メタデータの読み込み後に初期設定
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video.addEventListener('loadedmetadata', () => {
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updatePlaybackRate(speedRange.value);
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updateVolume(volumeRange.value);
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const volumeInput = document.getElementById('volumeInput');
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const loopCheckbox = document.getElementById('loopCheckbox');
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// Web Audio APIの初期化
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const audioContext = new (window.AudioContext || window.webkitAudioContext)();
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const gainNode = audioContext.createGain();
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const sourceNode = audioContext.createMediaElementSource(video);
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sourceNode.connect(gainNode);
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gainNode.connect(audioContext.destination);
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// 音量更新
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function updateVolume(value) {
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const volume = parseFloat(value);
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volumeInput.value = volume;
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volumeRange.value = volume;
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// 音量は0から1を超えて設定可能(100までで対応)
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gainNode.gain.value = volume / 100;
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}
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// 再生速度更新
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function updatePlaybackRate(value) {
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const speed = parseFloat(value);
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speedInput.value = speed;
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video.playbackRate = speed;
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}
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// イベントリスナー
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['input', 'change', 'mouseup'].forEach(eventName => {
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speedRange.addEventListener(eventName, () => {
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updatePlaybackRate(speedRange.value);
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video.loop = loopCheckbox.checked;
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});
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function goFullscreen() {
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if (video.requestFullscreen) {
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video.requestFullscreen();
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}
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}
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video.addEventListener('loadedmetadata', () => {
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updatePlaybackRate(speedRange.value);
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updateVolume(volumeRange.value);
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