[{"data":1,"prerenderedAt":138},["ShallowReactive",2],{"doc-/docs/guide-video-format-true":3},{"id":4,"title":5,"body":6,"date":129,"description":130,"extension":131,"meta":132,"navigation":133,"path":134,"seo":135,"stem":136,"__hash__":137},"docsGlobal/docs-global/guide-video-format.md","上传视频提示格式不支持 / 播放黑屏怎么办",{"type":7,"value":8,"toc":121},"minimark",[9,13,22,27,30,46,49,63,66,77,80,83,103,106,109,112,115,118],[10,11,5],"h1",{"id":12},"上传视频提示格式不支持-播放黑屏怎么办",[14,15,16,17,21],"p",{},"上传被拦截或者播放黑屏，通常是因为视频编码不对。句乐部目前只支持 ",[18,19,20],"strong",{},"H.264 编码、AAC 音轨的 MP4"," 格式。",[23,24,26],"h2",{"id":25},"怎么把视频转成-h264","怎么把视频转成 H.264",[14,28,29],{},"用剪映重新导出：",[31,32,33,37,40,43],"ol",{},[34,35,36],"li",{},"打开工程，点击导出。",[34,38,39],{},"编码选择 H.264，不要选 HEVC / H.265。",[34,41,42],{},"格式选择 MP4。",[34,44,45],{},"导出后重新上传，时长、画面和字幕时间轴不受影响。",[14,47,48],{},"用格式工厂（Windows）：",[31,50,51,54,57,60],{},[34,52,53],{},"打开格式工厂，点击「视频」，选择「MP4」。",[34,55,56],{},"点击「添加文件」放入视频。",[34,58,59],{},"点击右上角「输出配置」，视频编码选择 AVC(H264)，音频编码选择 AAC。",[34,61,62],{},"点击确定，开始转换。",[14,64,65],{},"用其他剪辑软件：",[31,67,68,71,74],{},[34,69,70],{},"视频编码选择 AVC / H.264。",[34,72,73],{},"音频编码选择 AAC。",[34,75,76],{},"容器格式选择 MP4。",[23,78,79],{"id":79},"怎么看手里的视频编码",[14,81,82],{},"用 PotPlayer 或 VLC 打开视频：",[31,84,85,88,91,94,97,100],{},[34,86,87],{},"在画面上点右键，打开「媒体信息」。",[34,89,90],{},"找到「视频编码」这一栏。",[34,92,93],{},"再找到「音频编码」这一栏。",[34,95,96],{},"如果视频是 AVC / H.264，音频是 AAC，可以直接上传。",[34,98,99],{},"任何一项不符，比如视频是 HEVC / H.265，或者音频是 AC-3 / E-AC-3，需要按上面的步骤转一遍。",[34,101,102],{},"拿不准的话，用剪映或格式工厂顺手转一遍再传。",[23,104,105],{"id":105},"为什么会黑屏或者被拦下",[14,107,108],{},"H.265（也叫 HEVC）压缩率高、文件小，但在网页浏览器里的兼容性不好。Firefox，以及没装 HEVC 扩展的 Chrome 和 Edge，打开这类视频都会黑屏，有时有声音，有时完全没声。",[14,110,111],{},"微信和视频号下载的视频、iPhone 和部分安卓手机拍的视频，以及剪映里选了 HEVC 预设导出的视频，很多都是 H.265。电脑装了特定扩展或者支持硬件解码就能放，换一台就黑屏，所以容易出现昨天能看、今天看不了的情况。",[14,113,114],{},"为了保证学习者在各种浏览器里都能正常上课，我们在上传环节加了检查。检测到 H.265（HEVC）、AV1、AC-3 / E-AC-3 时会直接拦下，并提示具体检测到的编码。",[23,116,117],{"id":117},"之前已经传上去的视频怎么处理",[14,119,120],{},"检查规则上线前上传的课程，如果包含了 H.265 视频，不需要重新剪辑。在站内打开 AI 客服小助手小句子，把课包名称发给我们，我们帮你转成 H.264，字幕和时间轴保持不变。",{"title":122,"searchDepth":123,"depth":123,"links":124},"",2,[125,126,127,128],{"id":25,"depth":123,"text":26},{"id":79,"depth":123,"text":79},{"id":105,"depth":123,"text":105},{"id":117,"depth":123,"text":117},null,"视频课程只支持 H.264 编码、AAC 音轨的 MP4；H.265（HEVC）、AV1 等编码在多数浏览器无法播放，上传时会被拦下，这里给出检查和转换方法","md",{},true,"/docs-global/guide-video-format",{"title":5,"description":130},"docs-global/guide-video-format","-bmo-jSxIA631HGvsao9M5QPqmY_K7srMjZ0y0iXZ9U",1792596572395]