NOTE: It's important to distinguish between file container formats and compression formats, or codecs. If the video inside the MKV file is encoded as H.264 or AVC, re-encoding the file to H.265 or HEVC at the same bitrate could reduce the file size without losing image quality, but the user would also need to decide whether they needed to continue to wrap this video in a MKV file, or perhaps in a more widely supported file format such as MP4. Since MKV is a container format and HEVC is a compression format, converting from MKV to HEVC is a misnomer.
HEVC files are rarely stored with the file extension.HEVC but are instead commonly wrapped within the file containers MOV or MP4. This compression format was designed as a successor to H.264, (Advanced Video Coding or MPEG-4 Part 10) and can compress data up to 50% more than AVC whilst retaining the same image quality. HEVC is a video codec abbreviated from High Efficiency Video Coding, is also known as H.265 or MPEG-H Part 2. MKV is rare in video file formats as it is completely open-source, and has wide support for integrated non-video elements, such as chapters, selectable video or audio streams, or subtitles embedded in a single file. Output of apt-cache policy gstreamer0.10-libde265 gstreamer1.0-libde265 vlc-plugin-libde265 ubuntu-restricted-extras : apt-cache policy gstreamer0.10-libde265 gstreamer1.Developed in Russia in 2002, MKV is a container format that stands for Matroska Video, taking the name from Russian nesting dolls or ‘matryoshka’. Link to download one of the video which can't be played on mine is here checkout if it plays on your PC. But the first video is playing in a very bad way (green everywhere ) I have recorded it and it is here (Audio is not recorded but i can hear it)
Yes, I have Installed " Ubuntu restricted extras" with all optional add-ons.Īfter following this: How to install H.265 / HEVC codec on Ubuntu Linux? have installed vlc-plugin-libde265 and gstreamer0.10-libde265 gstreamer1.0-libde265.Įven after doing this, the second error (VP90,undf) still exists. I need to play these videos no matter which player. In the first video, I can hear the audio. Some times I get a little bit different error messages (for a different video) When the same video is played in Videos, I get this: It says " Unfortunately there is no way to fix this", really?
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