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NextPVR i.mjh.nz no audio on some recordings

 
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NextPVR i.mjh.nz no audio on some recordings
sub
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#11
2023-12-18, 08:12 PM
Let me know if this updated NShared.dll helps with rush.


Attached Files
.zip   NShared.zip (Size: 376.1 KB / Downloads: 1)
Nzbaxterman
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#12
2023-12-18, 08:18 PM
Thanks - will run some more tests...
Nzbaxterman
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#13
2023-12-19, 10:22 PM
I've had another recording on THREE with no audio stream recorded:

Input #0, mpegts, from 'Flip.Or.Flop.S06E08.Ready-To-Flip.Ranch.ts':
  Duration: 00:39:25.16, start: 1.440000, bitrate: 5793 kb/s
  Program 1
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, progressive), 1920x1080 [              SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
vdruser@ubuntu2020:/srv/vdr/video/NextPVR/Flip Or Flop/Season 06$


Attached Files
.zip   logfiles3.zip (Size: 516.76 KB / Downloads: 3)
mvallevand
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#14
2023-12-19, 10:45 PM
I don't understand why the header is still VLC maybe I don't understand sub's patch or you didn't import the correct m3u file.

It does appear to be an ffmpeg issue though since it is able to get the video. Does the stream work in their web site?

There is also a continuing error in NextPVR with video only files, the parameter in the code -map 0:a:0 needs a trailing ?

2023-12-20 11:19:22.071 [DEBUG][109] [FFMPEG]: To ignore this, add a trailing '?' to the map.

Martin
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#15
2023-12-20, 05:03 AM
Hi Martin

Thanks for replying.

Yes - I can open https://i.mjh.nz/three.m3u8 in VLC and it plays both the video+audio tracks just fine.  It also just seems to be some scheduled recordings in NextPVR which don't record the audio stream.

How do I change the parameters in "code -map"? I thought this was buried in the compiled NShared.dll, which I can't edit.
mvallevand
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#16
2023-12-20, 01:18 PM
A better test would be with ffplay since it is ffmpeg not NextPVR that is failing to find the audio. Maybe try this with a similar header that NextPVR is using.

ffplay -user_agent "VLC/2.2.6 LibVLC/2.2.6" https://i.mjh.nz/three.m3u8

Don't worry about adding the ? that is something sub needs to fix. It just would allow video without audio in the web browser.

Martin
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#17
2023-12-20, 06:10 PM
There are 5 index streams with different video resolutions when I play with ffplay, all have an audio stream.

As I said, I'm only seeing this show up in some recordings.  Hopefully there will be more in the NextPVR logs the next time the audio fails.


Attached Files
.zip   ffplay.zip (Size: 1.69 KB / Downloads: 1)
mvallevand
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#18
2023-12-20, 06:31 PM
It is ffmpeg creating the source file not NextPVR so not much NextPVR can do.

Normally in an MPEG-DASH file there are multiple m3u8 files, this seems to have multiple programs in one stream. Do you have a recording you can share on OneDrive or GoogleDrive?

Martin
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#19
2023-12-20, 07:36 PM
Can you access this?
https://drive.google.com/drive/folders/1...sp=sharing
mvallevand
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#20
2023-12-20, 07:41 PM
Yes thanks, I was hoping to see multiple Programs in the file, but it is just Program 1 with no audio.

Martin
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