[mythtv-users] Stupid Fire Stick Match Frame Rate feature

James Abernathy jfabernathy at gmail.com
Sat Mar 27 21:22:08 UTC 2021

On Sat, Mar 27, 2021 at 5:16 PM James Abernathy <jfabernathy at gmail.com>

> On Sat, Mar 27, 2021 at 4:44 PM Paul Gardiner <lists at glidos.net> wrote:
>> On 27/03/2021 19:55, Peter Bennett wrote:
>> >
>> > On 3/27/21 3:21 PM, Paul Gardiner wrote:
>> >> This is not really a mythtv question, but it is related. I've been
>> >> using Leanfront a lot lately. It's just awesome now. It seems to play
>> >> perfectly anything I throw at it. Possibly, if I hadn't already
>> >> recently acquired a NUC-based front end, I might now not bother.
>> >>
>> >> Still, that said, what ruins it is how useless is the Fire Stick 4K's
>> >> match frame rate feature. I'm wondering if others are seeing the flaw
>> >> I see. Every time I power cycle it, or power cycle my AV receiver, or
>> >> even switch the AV received away from the Fire Stick, it seems to
>> >> forget my TVs modes. The setting pertains: the fire stick still shows
>> >> display mode on automatic and the match-frame-rate feature enabled,
>> >> but neither leanfront or Prime video will switch. Leanfront explicitly
>> >> reports that the mode it wants isn't present.
>> >>
>> >> I can make it work by temporarily switching the fire stick to 1080p60
>> >> and then back to automatic plus reenabling the match feature. Works
>> >> perfectly, but I have to do that every time I turn it on.
>> >>
>> >> I find it sort of pathetic. The fire stick is produced by a company
>> >> with huge resources and with one purpose - to play video. How can they
>> >> be content with such a flaw.
>> >>
>> >> And Netflix?! Another company with huge resources and exist only to
>> >> supply video, yet their app doesn't even support frame rate switching.
>> >>
>> >> I guess, mitigating this for many is the smoothing feature that many
>> >> modern TVs have, which make motion a little unnatural, but can hide
>> >> frame rate mismatch. Seems a terrible solution to me.
>> >>
>> > I have never seen this problem. I have fire stick 4k's on several TV's
>> > and they switch frame rate without a problem.
>> And I'm guessing by that you mean, not only does the video look good,
>> but you see the explicit switching message. You must mean that: you'd
>> have noticed if it was otherwise.
>> > I have the fire stick
>> > plugged directly into the TV. I suspect your AV receiver is confusing
>> > things somehow. Does "match original frame rate" in the fire stick
>> > settings get disabled?
>> No, the setting stays set. It was entirely a mystery when I was using
>> just the Amazon Prime app, but Leanfront gives more information. It
>> still "considers" switching but reports the mode it wants not present.
>> (A much better written app than Amazon Prime :-) )
>> > Does this happen if you plug the fire stick directly into the TV?
>> I haven't tried that, but perhaps I should. I've been assuming all is
>> fine with my set up because my mythfrontent always switches faultlessly,
>> but I've just realise it's cheating in that I have it loading EDID from
>> a binary file. That's also reminded me that it used to work before I
>> loaded EDID, but only if I turned on the AV receiver before the
>> frontend. It may be that the FireTV picks up EDID only on boot and when
>> the display settings are changed... although that wouldn't explain why
>> you've never seen the problem... so I guess not.
>> > Frame rate switching in leanfront also works on nvidia shield. If you
>> > have a shield you could try it there to narrow down whether it is a
>> > problem specific to the fire stick.
>> No shield to try this on, sadly.
>> > I plug the fire stick directly into the TV, then take optical output
>> > from the TV to the audio system. This successfully carries dolby
>> digital
>> > to the audio system without having the audio system in between the TV
>> > and the fire stick. Another option may be to use a splitter to pass the
>> > hdmi to the tv and the audio system.
>> That's sounds like good advice. That set up never occurred to me. I'd
>> hope my TV has optical out.
> My FireTV 4k Stick is plugged directly into a really old Sony XBR6 TV.  I
> don't think the TV is doing any compassating or correction.
> I just spent some time testing on FireTV 4K with some British Crime dramas
> on Prime Video and they play very well just like USA TV.
> However, the Shield TV seems to be a lost cause.  At one time I could get
> the framerate matching beta fix to work, but your really need a newer
> Shield TV with the fancy new remote with the setting button.
> Jim A
I use a HDMI 2.0 splitter and also a HDMI 2.0 switch in my setup.  My UHD
TV only has 2 HDMI inputs and I have 4 UHD devices.  So The output of the
switch goes to the HDMI 2.0 splitter with one output going to my AV
receiver and the other going to the TV.

My TV will not pass 5.1, but sound from the TV apps can pass multi-channel
sound to the AV receiver via optical.  Short of buying a lot of new
equipment, this will have to do.

Jim A
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