Although VLC has claimed its native support for HEVC/H.265 codec, however, it is well known that the H.265/HEVC playback is very processor extensive, even if your computer has meet the minimum standard to playback HEVC/H.265 video, you may still suffer video playback choppy or corruption issues because of the workload of your processor. X265 is a free software library and application for encoding video streams into the H.265/MPEG-H HEVC compression format, and is released under the terms of the GNU GPL. Process iPhone HEVC Video to Another Format. If the HEVC video taken from iPhone won't open in. With HEVC, we are requiring the hvc1 codec type for playback. This means that the parameter sets have to be stored in the decoder configuration record as opposed to within the samples or the payload itself. So make sure when you are creating HEVC assets that they are the hvc1 codec type to enable playback within the Apple ecosystem.