you shouldnt have issues with that computer. you must have some hardware issue

Or I am missing something that allows me to play H.265/HVEC video. It
could even be the camera. The H.264 video it produces, using the same
settings otherwise, looks just fine.


* SLMR 2.1a * Misspelled? Impossible. My modem is error correcting.

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Re: Re: H.265 video
By: Dumas Walker to MRO on Mon Jun 14 2021 04:49 pm

you shouldnt have issues with that computer. you must have some hardware issue

Or I am missing something that allows me to play H.265/HVEC video. It
could even be the camera. The H.264 video it produces, using the same settings otherwise, looks just fine.

well didnt you try downloading a h265 video and playing it to see?
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you shouldnt have issues with that computer. you must have some hardware issue

Or I am missing something that allows me to play H.265/HVEC video. It could even be the camera. The H.264 video it produces, using the same settings otherwise, looks just fine.

well didnt you try downloading a h265 video and playing it to see?

I am not certain where I would find one. All of the HD video on YT that I download appears not to be H265.


* SLMR 2.1a * "Never repeat codes," said the telegrapher remorselessly.

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Re: Re: H.265 video
By: Dumas Walker to MRO on Wed Jun 16 2021 10:05 am

you shouldnt have issues with that computer. you must have some hardware issue

Or I am missing something that allows me to play H.265/HVEC video. It could even be the camera. The H.264 video it produces, using the same settings otherwise, looks just fine.

well didnt you try downloading a h265 video and playing it to see?

I am not certain where I would find one. All of the HD video on YT that I download appears not to be H265.

you dont steal movies and tv?
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I am not certain where I would find one. All of the HD video on YT that I download appears not to be H265.

you dont steal movies and tv?

No I don't have the time (lately!) to watch the ones I have waiting on the
DVR!


* SLMR 2.1a * "Bother," said Pooh, as he bounced off the Starfury.

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Re: H.265 video
By: Dumas Walker to ALL on Sat Jun 12 2021 11:10 am

I have a camera that takes H.264 and H.265 compressed video. With the 264 setting, my laptop seems to have no issues playing the videos back. With the 265 setting, the video is choppy. I am running debian and did some searching. I do appear to have the libraries installed for 265. Do I also need to install the 'dev' libraries/packages to get the video to playback correctly? Are there any tips/tricks you all have re: playing H.265 video on a linux machine?

A lot of GPUs have built-in h264 hardware acceleration. I don't know the state of
hardware h264 acceleration, but it's probably much more spotty, particularly if it's
an older laptop. I'd bet dollars to doughnuts that your machine just doesn't have any
hardware acceleration for h265

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On 6/13/2021 1:29 PM, Dumas Walker wrote:

I have tried both vlc and mpv. That is an interesting point you
bring up. The machine is running an i3-4000M with a 2.90x4 CPU,
but I don't know that it is attempting to use them all or not. I
know there are some programs where you can specify the number of
cores to use on the command line but based on the help output vlc
does not appear to have an option to force it to use N cores.

The i3-4000M is a Haswell architecture, the iGPU doesn't support
QuickSync decoding for h.265 in that generation, so it's doing CPU
decoding, which your system *should* be able to handle, but it's pretty
high overhead, which would account for stuttering, and will vary based
on memory and hdd performance as well.
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On 6/18/2021 12:57 AM, Ksource wrote:

I have a camera that takes H.264 and H.265 compressed video. With
the 264 setting, my laptop seems to have no issues playing the videos
back. With the 265 setting, the video is choppy. I am running
debian and did some searching. I do appear to have the libraries
installed for 265. Do I also need to install the 'dev'
libraries/packages to get the video to playback correctly? Are there
any tips/tricks you all have re: playing H.265 video on a linux
machine?

A lot of GPUs have built-in h264 hardware acceleration. I don't know
the state of hardware h264 acceleration, but it's probably much more
spotty, particularly if it's an older laptop. I'd bet dollars to
doughnuts that your machine just doesn't have any hardware
acceleration for h265

From other messages (i3-4000M) QuickSync does have h.264, but not h.265 hardware support, so you are correct in your assertion... I did take the
time to check.

Intel Skylake (5000 series) added hardware h.265
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Re: Re: H.265 video
By: Tracker1 to Ksource on Sun Jun 27 2021 03:49 pm

From other messages (i3-4000M) QuickSync does have h.264, but not h.265 hardware support, so you are correct in your assertion... I did take the time to check.

that's sad because i have android tv's that can play h265
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I have tried both vlc and mpv. That is an interesting point you
bring up. The machine is running an i3-4000M with a 2.90x4 CPU,
but I don't know that it is attempting to use them all or not. I
know there are some programs where you can specify the number of
cores to use on the command line but based on the help output vlc
does not appear to have an option to force it to use N cores.

The i3-4000M is a Haswell architecture, the iGPU doesn't support
QuickSync decoding for h.265 in that generation, so it's doing CPU
decoding, which your system *should* be able to handle, but it's pretty
high overhead, which would account for stuttering, and will vary based
on memory and hdd performance as well.

Thanks!

To everyone who responded -- thanks to you all. It *appears* that the
issue may not be the hardware I am playing back on, but the power source I
was using while recording. I still need to retest 90fps but, at 60fps off
the battery pack, I recorded video that played back without issue.

The video I took that had difficulty was taken when the camera was plugged
into my car's power vs. the battery. I did not take that into
consideration.

I am testing 90fps from battery source right now so we will see what
happens. :)

on edit - nope that wasn't it after all. Apparently 60fps good, 90fps bad!


* SLMR 2.1a * Backup corrupted: (A)bort (R)etry (P)anic (H)ammer

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