Chrome 无法播放 MP4 [英] Chrome does not play MP4

问题描述

我每天都会收到几封来自我的安全摄像头系统的电子邮件到我的 Gmail 帐户.此类邮件包含来自 MP4 格式的摄像机的视频剪辑链接(每个约 20 秒).奇怪的是，在基于 Mageia 的 PC 上，单击此类链接后，剪辑会打开并在新的单独浏览器卡中播放.这对我来说是正确的情况.但是在基于 Ubuntu 的 PC 上，Chrome 总是将视频剪辑下载到硬盘而不是播放一个.我不知道是不是与 Linux 发行版相关的问题，但两个安装都使用 Chrome 版本 38.如何更改/设置以始终播放 MP4 文件而不是下载?

I get several emails everyday to my Gmail account, from my security camera system. Such mail contains links to video clips (aprox 20 sec each) from cameras in MP4 format. Strange is that on Mageia based PC after clicking on such link the clip is open and playback in new separate browser card. And it is correct situation for me. But on Ubuntu based PC, Chrome always download video clip to HDD instead playback one. I dont know is it Linux distribution related problem but both installations use Chrome ver 38. How can I change/setup to have MP4 files always be playback instead downloaded ?

推荐答案

出于兴趣，您是否在 Ubuntu 上使用 Google Chrome 或 Chromium?无论哪种方式，问题都可能是尚未启用 MP4 支持.

Are you using Google Chrome or Chromium on Ubuntu, as a matter of interest? Either way the issue may be that MP4 support has not been enabled.

要启用它，您需要安装对 mp4 编解码器的支持:

To enable it you need to install the support for mp4 codec:

sudo apt-get install chromium-codecs-ffmpeg

原因是某些编解码器不是完全开源的，例如它们可能受专利保护，因此不能包含在完全开源的版本中.

The reason for this is that some codecs are not fully open source, because they may be subject to patents for example, and hence they can't be included in a fully open source release.

查看一些讨论和参考:

• https://github.com/videojs/video.js/issues/675
• https://launchpad.net/ubuntu/precise/+包/chromium-codecs-ffmpeg-extra

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