chrisk111 0 Posted February 2, 2019 Share Posted February 2, 2019 I'm new to Emby so I apologize if this is a known issue or i'm just an idiot. I installed emby on 2 different computers (Threadripper/2080 & 8700k/1070ti) just to confirm it wasnt a PC issue. I have an apple tv 4th gen (yes i know its only 1080p)....I'm trying to watch family videos that are 4k h264 and download family videos from iphone. The h264 basically plays in the choppiest way possible, unwatchable. I tried a video in Apple ProRes4k and it was much smoother, but every 4-5 seconds it flickered or choppy. What am I doing wrong? Is this because i'm playing 4k to a 1080p? The computers have no issue playing these videos, only the Apple TV (tried it on 2 of them). Thanks for any advice you can provide. Link to comment Share on other sites More sharing options...
ebr 14904 Posted February 2, 2019 Share Posted February 2, 2019 Hi. Can we please look at specifics for one of these? Specifically, any ffmpeg logs that are created? How to Report a Problem Link to comment Share on other sites More sharing options...
chrisk111 0 Posted February 2, 2019 Author Share Posted February 2, 2019 Hi. Can we please look at specifics for one of these? Specifically, any ffmpeg logs that are created? How to Report a Problem See attached file, Thanks Link to comment Share on other sites More sharing options...
chrisk111 0 Posted February 2, 2019 Author Share Posted February 2, 2019 See attached file, Thanks Log.txt Link to comment Share on other sites More sharing options...
ebr 14904 Posted February 2, 2019 Share Posted February 2, 2019 Hi. Can you try disabling the hardware acceleration in the server transcode settings? Link to comment Share on other sites More sharing options...
chrisk111 0 Posted February 2, 2019 Author Share Posted February 2, 2019 Hi. Can you try disabling the hardware acceleration in the server transcode settings? I tried on both PC's and it was the same. The apple prores version is 6x as large of a file, but plays reasonably smooth. Not sure whats wrong with the H264 version. Link to comment Share on other sites More sharing options...
chrisk111 0 Posted February 2, 2019 Author Share Posted February 2, 2019 (edited) Hi. Can you try disabling the hardware acceleration in the server transcode settings? See attached log for 2nd PC - should note the 2018yearend video is the one that works fine Log.txt Edited February 2, 2019 by chrisk111 Link to comment Share on other sites More sharing options...
Luke 37022 Posted February 18, 2019 Share Posted February 18, 2019 @@chrisk111 can you update to Emby Server 4.0.2 and try again? Thanks ! Link to comment Share on other sites More sharing options...
mawazi 1 Posted March 12, 2019 Share Posted March 12, 2019 I think that part of the issue is that the Apple TV 4th Gen is only supposed to accept resolutions up to 1080p60, and a maximum h264 level of 4.2. 2160p60, according to the spec, shouldn’t be possible under that level constraint. Emby should probably downscale to 1080p with a max h264 level of 4.2. I don’t know what the Apple TV is trying to do internally when presented with a 2160p60 video. Link to comment Share on other sites More sharing options...
Luke 37022 Posted March 12, 2019 Share Posted March 12, 2019 I think that part of the issue is that the Apple TV 4th Gen is only supposed to accept resolutions up to 1080p60, and a maximum h264 level of 4.2. 2160p60, according to the spec, shouldn’t be possible under that level constraint. Emby should probably downscale to 1080p with a max h264 level of 4.2. I don’t know what the Apple TV is trying to do internally when presented with a 2160p60 video. I thought we were accounting for this but we'll double check. Thanks ! Link to comment Share on other sites More sharing options...
Alibabava 0 Posted May 3, 2019 Share Posted May 3, 2019 I think that part of the issue is that the Apple TV 4th Gen is only supposed to accept resolutions up to 1080p60, and a maximum h264 level of 4.2. 2160p60, according to the spec, shouldn’t be possible under that level constraint. Emby should probably downscale to 1080p with a max h264 level of 4.2. I don’t know what the Apple TV is trying to do internally when presented with a 2160p60 video. i have been experiencing issues on my Apple TV 4th Gen, every time i play a movie i see micro lags all over the movie. so looking at your response if i buy apple tv 4k i won't experience the lags anymore since it supports 2160 60 fps ? Link to comment Share on other sites More sharing options...
Luke 37022 Posted May 3, 2019 Share Posted May 3, 2019 Hi, we'll help you in the topic that you opened. Thanks. Link to comment Share on other sites More sharing options...
Alibabava 0 Posted May 3, 2019 Share Posted May 3, 2019 Hi, we'll help you in the topic that you opened. Thanks. Thanks Luke Link to comment Share on other sites More sharing options...
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