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Live Stream Transcode

Live Stream Transcode
hdpvr-doug8796
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#1
2019-10-13, 06:30 PM (This post was last modified: 2019-10-13, 06:30 PM by hdpvr-doug8796.)
I was trying to write a batch script:

ffmpeg -i "NFL Football_20191013_12001525.ts" -b 4000000 output.ts

It works, but only converts the current ts file.  Is there a code to continuously convert a ts file to a lower quality one so I can use on a lower bandwidth device?  

I know the web app transcodes, but its not quite up to par yet imho.

Please advise and thanks for your help everyone (sub usually)
sub
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#2
2019-10-13, 06:32 PM
It's not really clear what you're wanting to happen or how it'd be used.

The web app, and iOS/Android apps are able to ask for transcoding, and receive lower bandwidth streams, for both live TV and recordings.
hdpvr-doug8796
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#3
2019-10-13, 06:53 PM (This post was last modified: 2019-10-13, 06:57 PM by hdpvr-doug8796.)
(2019-10-13, 06:32 PM)sub Wrote: It's not really clear what you're wanting to happen or how it'd be used.

The web app, and iOS/Android apps are able to ask for transcoding, and receive lower bandwidth streams, for both live TV and recordings.
Very true, but on older devices that don't have hardware ac3 decoding, the audio wont play.  This includes shieldtv, s7 etc.  I don't mind writing the code for it if I can simulate it .  I just want to know how to create my own lower bandwidth stream, the code from ffmpeg converts the original ts file and doesnt do so continuously.

It would be very helpful to have this option in Kodi.
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#4
2019-10-13, 06:58 PM
(2019-10-13, 06:53 PM)hdpvr-doug8796 Wrote:
(2019-10-13, 06:32 PM)sub Wrote: It's not really clear what you're wanting to happen or how it'd be used.

The web app, and iOS/Android apps are able to ask for transcoding, and receive lower bandwidth streams, for both live TV and recordings.
Very true, but on older devices that don't have hardware ac3 decoding, the audio wont play.  This includes shieldtv, s7 etc.  I don't mind writing the code for it if I can simulate it .  I just want to know how to create my own lower bandwidth stream, the code from ffmpeg converts the original ts file and doesnt do so continuously.

It would be very helpful to have this option in Kodi.
You'd only get AC3 if you're not transcoding (ie, when you've got directplay enabled). When it is set to transcode, you get H.264 video, and AAC audio.

I think Martin said he might add transcoding to the Kodi addon in a future version.
hdpvr-doug8796
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#5
2019-10-13, 07:04 PM (This post was last modified: 2019-10-13, 07:14 PM by hdpvr-doug8796.)
I know it isn't optimal, or recommended, but streaming outside of the network, the app gives more problems than kodi does. My friends gigapower internet handles it just fine, but networks where streaming is required creates issues and the stream isn't consistent.

EDIT: I tested again after raising priority level of NextPVR and it seems to be working. Going to test more.
mvallevand
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#6
2019-10-13, 07:23 PM
knewc for Kodi already has transcoded live tv playback for v4 and v5 as a proof of concept for what I am thinking of doing in Kodi. Since this is a v4 thread be aware that v5 transcoding stability is superior and I likely won't even bother allowing it with v4, not worth the support posts.

Martin
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#7
2019-10-13, 07:35 PM
(2019-10-13, 07:04 PM)hdpvr-doug8796 Wrote: I know it isn't optimal, or recommended, but streaming outside of the network, the app gives more problems than kodi does.  My friends gigapower internet handles it just fine, but networks where streaming is required creates issues and the stream isn't consistent.

EDIT: I tested again after raising priority level of NextPVR and it seems to be working. Going to test more.
You may find you need to select a lower quality bitrate. This should be a bit easier on your PC and network.
hdpvr-doug8796
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#8
2019-10-13, 08:42 PM (This post was last modified: 2019-10-13, 08:44 PM by hdpvr-doug8796.)
It is actually the opposite. Maybe the way its transcoding is too fast and my cpu and gpu are rendering it too quickly similar to my ffmpeg method?

It seems its rendering so fast that it actually stops to wait for more data. If I select 8mbps it works fine.. Live tv and dvr recording.. Is it rendering too fast?
sub
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#9
2019-10-13, 08:47 PM
Never heard of that before...

(I've got a fast machine, and not encountered a problem like you're describing there)
hdpvr-doug8796
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#10
2019-10-13, 08:49 PM
(2019-10-13, 08:47 PM)sub Wrote: Never heard of that before...

(I've got a fast machine, and not encountered a problem like you're describing there)
well directplay works fine on 4g/5g, unless i transcode then it is buggy

I was trying to make my own ts file script.  is there an ffmpeg script that can essentially do the same thing i can just use vlc to play with?
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