Tvheadend

Hello John,

its been a year - and I have still the same issue.
On using htsp client memory is not freed up when stop streaming the channels but is stacks until the server goes down.
On M3U playlist + simple-XML it works like a charm.

Any Ideas? If you need more info - do not hesitate to come back to me.

BR,
Ronny

John was last active 2015, I'd assume that he's not working on this.

Also I can't reproduce this issue here.

Maby devs need to add https://github.com/NVIDIA/NvPipe to TVH

I think that's just an overlay to the "normal" nvdia sources,

"Please note that NvPipe acts as a lightweight synchronous convenience layer around the NVIDIA Video Codec SDK and doesn't offer all high-performance capabilities. If you're looking for ultimate encode/decode performance, you may want to consider using NvCodec directly." 

Therefore, normal IPTV: destroy -> a -> no problem
HTPS IPTV: destroy -> b -> not complete -> problem

in version 4.2, a new subprocess has been built for each stream.
I found this better because Sub destroy and done.

BR
Ronny

PLS Someone must solve the Problem

Rene Wagler wrote:

PLS Someone must solve the Problem

Please go ahead and do it then.

Nope, im not a programmer. But someone is working on 4.3

Sorry to disappoint you but nobody is actively working on tvheadend at the moment, there are a few changes now and then but other than that there is not much work being done.

But TVH is the one and only DVB Server, isnt it? Why nobody cares about it? Cant understand this

Let's start with yourself: Why don't you care? Why are you not spending time to investigate this issue? Seems like this issue is not that important if you don't put effort in it, totally fine with me but if your issue isn't important to yourself it's not important to me either (especially since I can't reproduce it and I am not affected by it at all).

Are u using nvenc with TVH? i think not, so u cant reproduce it. The Problem is i dont know witch source file is responsible for transcoding and channel switching

Yes I am using nvenc on the latest tvheadend version.

and what happens it you stop live tv in the nvidia-smi ? Is the transcoding tread gone as it should ?

Yes, Tvheadend completely disappears from that list when i stop the stream.

ok.. are u using cuda or only nvenc and cuvid?

I am using nvenc and enabled Hardware acceleration, cuda is not really used in Tvheadend as far as I know.

NVENC is part of CUDA instructions
/can be seen with "netstat" command/

@ user#20308 update drivers

i have 440.xx its actual enough. you can compile TVH with and without CUDA. NVENC and CUVID are seperate compile-options

I cant switch to newest driver. Cause i use TVH in docker. And the driver is not the Problem!!

Flole Systems can u post your transcoding settings ?

what codec are u using? 264 or 265 ??

Rene Wagler wrote:

what codec are u using? 264 or 265 ??

both codec´s have the same Problem, i dosn´t think this is a Problem with the Codec, i think this is a Problem with the Opening and Close from the Sub-Process.

Kind Regards
Ronny

Ronny M. wrote:

both codec´s have the same Problem, i dosn´t think this is a Problem with the Codec, i think this is a Problem with the Opening and Close from the Sub-Process.

Kind Regards
Ronny

+1
Flushing unneeded memory need to be debugged.

glad im not alone.. but why Flole Systems does not have this bug ?

Rene Wagler wrote:

glad im not alone.. but why Flole Systems does not have this bug ?

Because no one report bugs corectly
What OS/Kernel is used
What hardware platform
What devices/driver used
etc.

Valgrind debugging for example

what hardware are u using? me: runnign tvh in an unraid nvidia docker conatainer build with newest ffmpeg

saen acro wrote:

Rene Wagler wrote:

glad im not alone.. but why Flole Systems does not have this bug ?

Because no one report bugs corectly
What OS/Kernel is used
What hardware platform
What devices/driver used
etc.

Valgrind debugging for example

OS: Debian (10.5)
Kernel: 4.19.132-1
Hardware: Motherboard Supermicro, CPU Intel(R) Xeon(R) Silver 4110
GPU: Nvidia Quadro P5000
Driver Version: 450.57
NVIDIA-SMI: 450.57
Cuda Version: 11.0
Docker: No
ffmpeg: Static from TVH Build
TVH Version: 4.3-1857

Debug: show the first Post.

Ronny M. wrote:

Hallo @all,
with each channel change (with HW Transcode at NVENC) the memory is occupied more by the GPU -> NVENC since when this is so, unfortunately not known, since I tested this release last year ago with other hardware.

In the version 4.2.7 one can observe clearly that the GPU Ram is released after a switching process again.
At about 2500 MB occupancy comes in the TVH log the following message
"libav: AVHWDeviceContext: Failed to initialize VAAPI connection: -1 (unknown libva error)."
Until the restart of TVH no transcode is possible.
In my opinion, only the "every old" transcode process is not closed properly.

Thanks and greetings

Enclosed an output from nvidia-smi
[...]

Ronny M. wrote:

saen acro wrote:

Rene Wagler wrote:

glad im not alone.. but why Flole Systems does not have this bug ?

Because no one report bugs corectly
What OS/Kernel is used
What hardware platform
What devices/driver used
etc.

Valgrind debugging for example

OS: Debian (10.5)
Kernel: 4.19.132-1
Hardware: Motherboard Supermicro, CPU Intel(R) Xeon(R) Silver 4110
GPU: Nvidia Quadro P5000
Driver Version: 450.57
NVIDIA-SMI: 450.57
Cuda Version: 11.0
Docker: No
ffmpeg: Static from TVH Build
TVH Version: 4.3-1857

Debug: show the first Post.

Hello Ronny

did you find any solutions for this ?

Im have the same problem

OS: Ubuntu 20.04
Kernel: 5.4.0-58-generic
Hardware Motorbord MSI: CPU Core i7
GPU: Nvidia Quadro p2000
Driver 460.27.04
Nvidia-smi: 460.27.04
Cuda: 11.2
Docker: no
FFMPEG: Static self build
TVH Version: 4.3-1919

Hallo @Leon,
no, i have only a not so Wonderful Workaround ....

a Cronjob restart at 5:00 AM o'clock the TVHeadend Service ;-(

Sorry!

It's not a proper fix (the bottom half of it needs to stay the old version) and the bug report will stay open until it's merged ;)

okay we renamed is to
Worked but not correctly
or
a quick and dirty workaround ;-)

bonjour
même problème pour moi.
OS: Ubuntu 21.04 server
Hardware CPU bi-xeon
GPU: Nvidia Quadro p2000
Driver 460.80
Nvidia-smi: 460.80
Cuda: 11.2
TVH Version: HTS Tvheadend 4.3.0~pre+202105051438-0

Use english language and as you're not using an official build please contact the maintainer of your build for support.