Hardware decoding provides better decoding performance and lower CPU usage when you play high definition videos during live view or playback.
Tap to enter the Settings page, and then enable the function.
The function is available only when the phone OS is iOS 8.0 or later version.
Hardware decoding is only supported when the resolution is 704*576, 704*480, 640*480, 1024*768, 1280*720, 1280*960, 1920*1080, 2048*1536, or 2560*1920. For other resolutions, only software decoding is supported.
For H.265 video compression, hardware decoding is not supported.
Hardware decoding should be supported by the device. If not, the device will adopt software decoding by default.