At list in Android 5.1.1 OMX report just 24, 25, 30, 50, 60.
Some user suggest to add custom display format 1080p 24Hz and 1080p 23.97Hz, 2160p 23.97Hz this can be work around for:
Kodi, YouTube, Amazon Video and Netflix use OMX so 23.976 --> 24, 29.97 --> 30 and 59.94 --> 60.
Annoying time for switching resolution in slow switching device like Denon receiver.
If anyone want try can set via adb shell with disptest utility:
Replace value with:
4 --> 1080p/24
79 --> 1080p/23.976
74 --> 2160p/23.976
adb connect ip_player
adb shell disptest setfmt value
adb shell disptest setsaveparam
Ignore information form Settings / Display is not true, your FHD TV is not become UHD TV after set 1080p/23.976.
To set back to normal go to Settings / More/ Display / Custom display format and set what need it 1080p60, 1080p50, 2160p30, etc.
Please post your experience all feedback are welcome.
Is it possible to implement an option to force 23.976 Hz to watch Amazon Video and Netflix without stuttering?
On my "WD HD TV Live" i can set 24hz in the option menu (autoswitch off) and by that i can watch netflix perfect smooth. Never saw this on other mediaplayers.
The problem would be that not all Netflix content is 23.976. See here for discussion about this problem wrt Wetek Core: http://www.wetekforums.com/v/index.php?p=/discussion/24796/netflix-and-refresh-rate-app-should-be-or-not-used