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I get the following message whenever i want to play a .mp4* movie using a movie player I've written by Qt 5.9.1 and QtMultimedia module:

Warning: "No decoder available for type 'video/x-h264, level=(string)4, profile=

According to offical Qt form Qt uses gstreamer0.10 and specially gstreamer0.1-ffmpeg for decoding h264.

The problem is I can't find gstreamer0.1-ffmpeg in the main repository or any third-party ppa. How can I install it or is there any other workaround for Ubuntu artful?

pouya
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1 Answers1

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gstreamer1.0-libav supports mp4 and video/x-h264 in Ubuntu 17.10 and later. To install it open the terminal and type:

sudo apt install gstreamer1.0-libav
karel
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