freddyfinn 9 Posted February 18 Share Posted February 18 (edited) I have an issue with the app not switching refresh rate correctly. The screen flickers then reports it is using the correct refresh rate yet the picture stutters badly. When I go into settings > display mode I get duplicate refresh rates see pictures. This doesn’t happen on my Nvidia Shield units. if I select the second refresh rate the screen flickers again and changes correctly and playback is smooth. Eg switch from 2160/23.98 to the same below. The only time it doesn’t do it is when you match content resolution and resolution is below 2160p. Duplicate refresh rates are constantly there as are various others at 2160p. Edited February 18 by freddyfinn Spelling Link to comment Share on other sites More sharing options...
ebr 14960 Posted February 18 Share Posted February 18 Hi. On what device? If you go to that devices display settings, it also has multiple modes with the same resolution and rate? What's the difference between them? Perhaps HDR vs not...? Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted March 10 Author Share Posted March 10 Hi @ebr it’s a Google Chromecast with Google TV 4K. Build STTL.231114.004 After doing some more testing the judder seems to be happening because exo player is not resizing the picture properly when switching refresh rate (applies to all resolutions). If I fail to change refresh rate manually once the player has loaded the Google screen saver cuts in over the top occasionally after the screen saver time is reached which would suggest it’s not always going into full screen mode. When I switch refresh rate once playing you can see the screen resize and playback is smooth with no screen saver. Could this an Android 12 refresh rate implementation issue? Netflix switches without issue. i have the 2019 shield 4K and it only shows single refresh rates no duplicates Link to comment Share on other sites More sharing options...
ebr 14960 Posted March 10 Share Posted March 10 Hi. Whether or not the screen saver kicks in is a function of an option in the app and has nothing to do with resolution or screen size. Did you check this? On 2/18/2024 at 9:47 AM, ebr said: If you go to that devices display settings, it also has multiple modes with the same resolution and rate? What's the difference between them? Perhaps HDR vs not...? Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted March 11 Author Share Posted March 11 Emby is continuously trying to force HDR by the looks causing refresh rate problems. When SDR is manually switched in Emby the TV shows 24Hz when Emby automatically selects HDR there is no refresh rate displayed by the TV even though it goes through the motions of trying to change to 24Hz. So the app is failing to trigger the refresh rate change for HDR. Even with enhanced HDMI turned off on the TV and SDR changed to preferred on the Google TV it’s still trying to force HDR and failing to switch the refresh rate. Link to comment Share on other sites More sharing options...
ebr 14960 Posted March 11 Share Posted March 11 Can you please play that item for a few seconds and then follow the instructions to send a log from the app? Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted March 11 Author Share Posted March 11 Done Playing: NCIS Hawaii Time: 12.39pm utc-5 User: Emby Link to comment Share on other sites More sharing options...
ebr 14960 Posted March 11 Share Posted March 11 The app is successfully changing the display mode but the device is reporting two identical display modes (from a resolution and refresh rate perspective anyway) and so the app is choosing the first one. We need to discover why there are duplicates. On 2/18/2024 at 9:47 AM, ebr said: If you go to that devices display settings, it also has multiple modes with the same resolution and rate? What's the difference between them? Perhaps HDR vs not...? Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted March 12 Author Share Posted March 12 (edited) 4 hours ago, ebr said: If you go to that devices display settings, it also has multiple modes with the same resolution and rate? What's the difference between them? Perhaps HDR vs not...? No. Single resolution and refresh rates only. Unlike the Shield which shows 8 and 10bit with the same resolutions. Edited March 12 by freddyfinn Fix sentence. Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted May 2 Author Share Posted May 2 Hi @ebr, Any fix for this issue yet? Link to comment Share on other sites More sharing options...
ebr 14960 Posted May 2 Share Posted May 2 12 hours ago, freddyfinn said: Hi @ebr, Any fix for this issue yet? Afraid not as I cannot reproduce nor reconcile how the device is reporting multiple options via the API but not exposing that in its UI. Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted May 3 Author Share Posted May 3 @ebr I've had a chance to look at my daughters Chromecast with TV and her TV reports single refresh and resolution rates like the shield and hers doesn’t change refresh rates either and again Netflix has no issues doing it. It looks like emby tries to change as does mine and fails but emby reports that it’s changed. Play a fast moving tv show or movie and motion judder occurs continuously and noticeably. Go in manually and switch while playing and emby changes it to the correct refresh rate. Emby is still not changing refresh rates even when one res/refresh rate is shown. Link to comment Share on other sites More sharing options...
ebr 14960 Posted May 3 Share Posted May 3 9 hours ago, freddyfinn said: It looks like emby tries to change as does mine and fails but emby reports that it’s changed. In the log you provided, it is not failing. It is just selecting a duplicate rate. We'd have to look at a new log on the new device to know anything about what happened there. Link to comment Share on other sites More sharing options...
freddyfinn 9 Posted yesterday at 01:04 PM Author Share Posted yesterday at 01:04 PM @ebrseems emby needs to trigger 4K smpte 4096x2160 /24/25/30/50/60 when changing frame rates. Instead it seems to be going for 3840x2160p which does not switch the tv frame rate even though emby flickers and shows it has. Smpte seems to be the only way to switch the display frame rate correctly. The duplicates are as per the picture. 3840x2160p 24/25/30/50/60. - device resolutions DO NOT have any affect on switching the TV FRAME RATE. 4Ksmpte Comprises the following rates ALL SWITCH TV FRAME RATE CORRECTLY. 4096x2160 /24/25/30/50/60 Emby is seeing 4Ksmpte as 3840x2160p causing duplicates to be created. . Link to comment Share on other sites More sharing options...
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