Choppy playback on FireTV 4K box

[Nathanio 35]

I have noticed that on the FireTV beta app that I have very choppy playback on our FireTV boxes (one first gen and one 4K). I get smooth playback on web, android mobile app and on Emby Theatre. I have it set to direct stream live tv using VLC. If I don't use VLC then I get a black screen with a spinning circle. I do get a log though so it has clearly started the process on the server

http://172.0.0.1:8096/videos/92689bc7fea16714661f0399146a9183/stream.mkv?DeviceId=bce67ed8339cb21cc7cc9e7796395fae5caee7ac&MediaSourceId=da0cb1035d7b48bf84ca619447540504_native_8504716b6ef9696a685111ba10c1b306&VideoCodec=h264&AudioCodec=mp3,aac&AudioStreamIndex=1&VideoBitrate=10808000&AudioBitrate=192000&Level=51&Profile=high&PlaySessionId=8249282855664e79ba4df9f0fabc356b&api_key=1c46ec7675bd4913b456ce6629d32c92&LiveStreamId=a17c75760a04e99b68cf766e11316e1c_09efa0d56b934a82adec00a87b837fb0_da0cb1035d7b48bf84ca619447540504_native_8504716b6ef9696a685111ba10c1b306&CopyTimestamps=true&TranscodingMaxAudioChannels=2&EnableSubtitlesInManifest=false&RequireAvc=true

{"Protocol":"Http","Id":"da0cb1035d7b48bf84ca619447540504_native_8504716b6ef9696a685111ba10c1b306","Path":"http://127.0.0.1:8096/LiveTv/LiveStreamFiles/36e52013ab5b4881b6ef872387de52db/stream.ts","Type":"Default","Container":"mpegts","ReadAtNativeFramerate":false,"SupportsTranscoding":true,"SupportsDirectStream":true,"SupportsDirectPlay":false,"IsInfiniteStream":true,"RequiresOpening":true,"RequiresClosing":true,"SupportsProbing":true,"LiveStreamId":"a17c75760a04e99b68cf766e11316e1c_09efa0d56b934a82adec00a87b837fb0_da0cb1035d7b48bf84ca619447540504_native_8504716b6ef9696a685111ba10c1b306","BufferMs":0,"MediaStreams":[{"Codec":"h264","TimeBase":"1/90000","CodecTimeBase":"1/50","NalLengthSize":"0","IsInterlaced":false,"BitRate":8000000,"BitDepth":8,"RefFrames":4,"IsDefault":false,"IsForced":false,"Height":1080,"Width":1920,"AverageFrameRate":25,"RealFrameRate":25,"Profile":"High","Type":"Video","AspectRatio":"16:9","Index":0,"IsExternal":false,"IsTextSubtitleStream":false,"SupportsExternalStream":false,"PixelFormat":"yuv420p","Level":40,"IsAnamorphic":false},{"Codec":"aac_latm","Language":"eng","TimeBase":"1/90000","CodecTimeBase":"1/48000","DisplayTitle":"Eng AAC_LATM stereo","IsInterlaced":false,"ChannelLayout":"stereo","Channels":2,"SampleRate":48000,"IsDefault":false,"IsForced":false,"Profile":"LC","Type":"Audio","Index":1,"IsExternal":false,"IsTextSubtitleStream":false,"SupportsExternalStream":false,"Level":0},{"Codec":"dvbsub","Language":"eng","TimeBase":"1/90000","CodecTimeBase":"1/90000","DisplayTitle":"Eng","IsInterlaced":false,"IsDefault":false,"IsForced":false,"Type":"Subtitle","Index":3,"IsExternal":false,"IsTextSubtitleStream":false,"SupportsExternalStream":false,"Level":0}],"PlayableStreamFileNames":[],"Formats":[],"Bitrate":8000000,"RequiredHttpHeaders":{},"DefaultAudioStreamIndex":1}

C:\Users\Administrator\AppData\Roaming\Emby-Server\ffmpeg\20160410\ffmpeg.exe -fflags +genpts -codec:0 h264 -i "http://127.0.0.1:8096/LiveTv/LiveStreamFiles/36e52013ab5b4881b6ef872387de52db/stream.ts" -map 0:0 -map 0:1 -map -0:s -codec:v:0 copy -flags -global_header -fflags +genpts -map_metadata -1 -map_chapters -1 -threads 0 -codec:a:0 libmp3lame -ac 2 -ab 192000 -af "aresample=async=1" -y "S:\Transcode\transcoding-temp\c1f557fef8fa133030c7e927a54261fc.mkv"


ffmpeg version N-79277-g0c90b2e Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 5.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmfx --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
  libavutil      55. 20.100 / 55. 20.100
  libavcodec     57. 34.100 / 57. 34.100
  libavformat    57. 32.100 / 57. 32.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 41.100 /  6. 41.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[h264 @ 00000000004ed080] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 00000000004ed080] decode_slice_header error
[h264 @ 00000000004ed080] no frame!
[h264 @ 00000000004ed080] mmco: unref short failure
[h264 @ 00000000004ed080] Increasing reorder buffer to 2
[h264 @ 00000000004ed080] Increasing reorder buffer to 3
[h264 @ 00000000004ed080] mmco: unref short failure
[mpegts @ 00000000004e9380] Could not find codec parameters for stream 2 (Unknown: none ([17][0][0][0] / 0x0011)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 00000000004e9380] Could not find codec parameters for stream 4 (Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 00000000004e9380] Could not find codec parameters for stream 5 (Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 00000000004e9380] Could not find codec parameters for stream 6 (Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 00000000004e9380] Could not find codec parameters for stream 7 (Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mpegts, from 'http://127.0.0.1:8096/LiveTv/LiveStreamFiles/36e52013ab5b4881b6ef872387de52db/stream.ts':
  Duration: N/A, start: 50276.043167, bitrate: N/A
  Program 17540 
    Stream #0:0[0x19c9]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:1[0x19ca](eng): Audio: aac_latm (LC) ([17][0][0][0] / 0x0011), 48000 Hz, stereo, fltp
    Stream #0:2[0x19ce](eng): Unknown: none ([17][0][0][0] / 0x0011) (visual impaired)
    Stream #0:3[0x19cd](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
    Stream #0:4[0x19fa]: Unknown: none ([5][0][0][0] / 0x0005)
    Stream #0:5[0x1c86]: Unknown: none ([11][0][0][0] / 0x000B)
    Stream #0:6[0x1c97]: Unknown: none ([11][0][0][0] / 0x000B)
    Stream #0:7[0x1c66]: Unknown: none ([5][0][0][0] / 0x0005)
Output #0, matroska, to 'S:\Transcode\transcoding-temp\c1f557fef8fa133030c7e927a54261fc.mkv':
  Metadata:
    encoder         : Lavf57.32.100
    Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 25 tbr, 1k tbn, 90k tbc
    Stream #0:1: Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 192 kb/s
    Metadata:
      encoder         : Lavc57.34.100 libmp3lame
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (aac_latm (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
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frame= 1274 fps= 29 q=-1.0 size=   23654kB time=00:00:51.88 bitrate=3734.7kbits/s speed=1.17x    
[matroska @ 000000000053dae0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
frame= 1292 fps= 29 q=-1.0 size=   23850kB time=00:00:52.56 bitrate=3716.9kbits/s speed=1.17x    
frame= 1301 fps= 29 q=-1.0 size=   24155kB time=00:00:52.92 bitrate=3738.8kbits/s speed=1.17x    
[matroska @ 000000000053dae0] Can't write packet with unknown timestamp
av_interleaved_write_frame(): Invalid argument
frame= 1304 fps= 29 q=-1.0 Lsize=   24567kB time=00:00:53.04 bitrate=3794.0kbits/s speed=1.17x    
video:23332kB audio:1227kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.031819%
Conversion failed! 

Here is a video of the problem:

 

 

As you can see it goes choppy in places. It was playing back 1080 stream.

 

This was 1.36 iirc. 

[ebr 14960]

The log is from the session you showed the video for?

 

And what is 1.36?  I don't recognize that version for anything.

[Nathanio 35]

I'll check the version number. 

 

The log was when I switched off direct stream and VLC but didn't actually get any video out on the FireTV. (and yes when I was doing that video - although the video is for when it was direct streaming)

 

I guess I need to use the report function on the video screen for you?

[Teknologist 0]

I am also experiencing an issue on a 4K Fire TV with the Beta 1.3.18a version. Video starts then stops constantly. Basically unwatchable.  

 

I tried restarting the app, then the Fire TV, still the same issue. The stream was direct playing. The server was not busy and can handle the load. Playback is fine via other methods.

 

I had to roll back to the live version 1.3.15a to resolve the issue. This kind of ruined a movie night for us .

 

Let me know if you need more info, I'll see what I can do. Either way, the current Beta is broken for the AFTV.

[ebr 14960]

I am also experiencing an issue on a 4K Fire TV with the Beta 1.3.18a version. Video starts then stops constantly. Basically unwatchable.  

 

I tried restarting the app, then the Fire TV, still the same issue. The stream was direct playing. The server was not busy and can handle the load. Playback is fine via other methods.

 

I had to roll back to the live version 1.3.15a to resolve the issue. This kind of ruined a movie night for us .

 

Let me know if you need more info, I'll see what I can do. Either way, the current Beta is broken for the AFTV.

 

Can you play the item for just a few seconds with the release version and then send the log from the app and then do the same thing with the beta version (be sure to play long enough for problems to show).  Then come tell me when you did it, who the Emby user was and what you played. 

 

Thanks.