NextPVR App black screen

[williy0385]

this is the output from the cammand.
Microsoft Windows [Version 6.1.7601]
Copyright © 2009 Microsoft Corporation. All rights reserved.

C:\Users\william>"C:\Program Files\NPVR\Other\ffmpeg.exe" -y -i http://127.0.0.
1:8866/live?channel=11&transcoder=ef4a091e-b255-4c55-934e-8984f1c2dd53 -map_meta
data -1 -threads 0 -map 0:0 -map 0:1 -map -0 -codec:v:0 libx264 -pix_fmt yuv42
0p -preset superfast -crf 23 -b:v 2000000 -maxrate 2000000 -bufsize 2698344 -vsy
nc vfr -profile:v high -level 41 -aspect 16:9 -force_key_frames "expr:gte(t,n_fo
rced*3)" -s 1280x720 -flags -global_header -sc_threshold 0 -codec:a:0 aac -stri
ct experimental -ac 2 -ab 128000 -af "adelay=1,aresample=async=1" -hls_time 3 -s
tart_number 0 -hls_list_size 0 -y "C:\Users\Public\NPVR\web\temp\KARE-HD-ef4a091
eb2554c55934e8984f1c2dd53.m3u8"
This version of C:\Program Files\NPVR\Other\ffmpeg.exe is not compatible with th
e version of Windows you're running. Check your computer's system information to
see whether you need a x86 (32-bit) or x64 (64-bit) version of the program, and
then contact the software publisher.
'transcoder' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\william>

I am running windows 7 ultimate service pack1 32 bit

[mvallevand]

I checked in a 32bit VM that sub must be including the 64 bit version. Also looking at the ffmpeg -v output it shows --arch=x86_64

This older 32 bit release from Emby seems to match sub's release https://github.com/MediaBrowser/Emby.Res...1-win32.7z extract ffmpeg and replace the one you have.

Martin

[sub]

Good spotting. I hadn't noticed that.

Replacing it with that build should correct the issue.

[williy0385]

Martin thank you for the fix it is working now.

Sub thank you for providing direction. Also the 11.something doesn't seem to be an issue.

Thank you again for all your help

[sub]

Great!

[b3wh169]

I'm having the same problem. Channels & Guide show up right away, after automatic server detection, but when I tap on a channel, it says "Starting Device - Please Wait ..." for a while, and then goes to a blank screen with no sound.

[sub]

Can you supply the log file you get in C:\Users\Public\NPVR\web\temp?

[b3wh169]

I think I have it working now. I remembered I was having trouble accessing NPVR in Kodi (said Tuner Not Available after playing a few seconds) and trouble pulling up the web guide. Found advice on a related thread that suggested the NPVR install may not have gone well when upgrading to the latest version, so stopped the NPVR service and reinstalled NPVR. Now I have video, sound, and fury. One question remains, is it normal for the app to hang for several seconds saying "Starting Device - Please Wait ..." when changing channels?

[sub]

I think I have it working now.

Great.

One question remains, is it normal for the app to hang for several seconds saying "Starting Device - Please Wait ..." when changing channels?

Yes, it does takes a few seconds for the transcode of the live stream to start producing data, and the iOS player insists on buffering a few seconds of video before it'll start playback.

[mdenecke]

Just to let you guys know. I was having the same issue with black screen on the iso app. Read this support forum and it corrected my issue.