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起因是希望在gitee上部署静态网站，利用three.js VideoTexture 环境贴图播放视频。
但是试了多几次 mp4均提示404，资源无法获取；

找了很多方案，最后发现将视频转为ogv 就可以完美适配了；

mp4转ogv

附threejs使用ogv进行环境贴图的代码：

// 视频纹理
const video = document.createElement("video");
video.src = "./images/test.ogv";
video.loop = true;let palneTexture4 = new THREE.TextureLoader().load("./images/ruime7.jpg");
const planeGeometry4 = new THREE.PlaneGeometry(10, 12);
const planeMaterial4 = new THREE.MeshBasicMaterial({// color: 0xffffff,map: palneTexture4
});
const plane4 = new THREE.Mesh(planeGeometry4, planeMaterial4);
plane4.position.y = 2;
plane4.position.z = 16;
plane4.rotation.y = Math.PI + Math.PI / 2;window.addEventListener("click", (e) => {// 当鼠标移动的时候播放视频//   判断视频是否处于播放状态if (video.paused) {video.play();let texture = new THREE.VideoTexture(video);planeMaterial4.map = texture;planeMaterial4.map.needsUpdate = true;} else {video.pause()}
});