H265 vs H264 not optimizing bandwidth + other feedback

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H265 vs H264 not optimizing bandwidth + other feedback

Alan Azar
Hello,

First-time poster - thank you for all your hard work. I have a few questions \ feedback I'd like to give.

H265 vs H264
I have noticed testing between 2 devices on an internal home network that H265 provides better 720p quality as expected, however the bandwidth is the same as 720p on H264.
I remember about a year ago while testing this, I used to get better 720p at about a quarter of H264.... that's not happening anymore. Can anyone validate this?
FPS is stable at ~25fps in both cases


OPTION TO CHANGE QUALITY\FPS IN A CALL
As the title says


ORDER OF CODECS
Can we have an option to re-order the codecs to use.
I have 2 devices that can do H265+H264 and another that only does H264.
I have to manually unselect the H264 to make a high quality call, but then turn it back when i call the device that only supports H264.
Is there a way to re-order the codecs so it tries the H265 first and then H264 if H265 undetected?


AV1 CODEC
After reading an article by Gary Sims (Aug 2 2020), I believe the limitation here is the time to encode \ decode may not be feasible for this application & current devices.
However, is there any news on a high quality royalty free codec that may be available for Linphone?


LOAD CONFIG FILE
Option to save and load a config file with all settings


USER FORUM
I really wish you would move away from a mailing list to a forum. It will make it easier to manage feedback + retain knowledge for users searching for topics that may have already been covered.


Other than that, I wish you all a Merry Christmas \ Happy Holidays and a wonderful New Year!
Thank you for everything!
Alan

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Re: H265 vs H264 not optimizing bandwidth + other feedback

linphone-users mailing list
On Thu, Dec 17, 2020 at 07:47:30AM +0000, Alan Azar wrote:
>
> USER FORUM
> I really wish you would move away from a mailing list to a forum. It will make it easier to manage feedback + retain knowledge for users searching for topics that may have already been covered.

That is a bit controversial. Forums (fora?) are a pain. You have to
remember to visit them and they are not easy to search with standard
tools like grep. I am not sure if this mailing list is archived, but
if so, even a newcomer can find past topics easily. A forum is
also expensive in resources and forces one to use a browser or
wahtever. Use simple tried and tested tools when they are more than
adequate.

ael


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Re: H265 vs H264 not optimizing bandwidth + other feedback

Maciej Morycinski

Archives are at https://lists.nongnu.org/mailman/listinfo/linphone-users at the top of page.

Maciej Morycinski
#204-5100 Capitol Dr
Burnaby, BC, Canada, V5B 4S7

<a href="tel:+17788200182">+1-778-820-0182
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On 2020-12-17 8:40 a.m., ael via Linphone-users wrote:
On Thu, Dec 17, 2020 at 07:47:30AM +0000, Alan Azar wrote:
USER FORUM
I really wish you would move away from a mailing list to a forum. It will make it easier to manage feedback + retain knowledge for users searching for topics that may have already been covered.
[...]
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Re: H265 vs H264 not optimizing bandwidth + other feedback

Peio Rigaux
In reply to this post by Alan Azar

Hello Alan.

Thanks for your suggestions.

You can set the FPS of the call in settings > video > video profile (you can select "custom")

You can change video definition in settings > video > definition

.

Currently, you can only change the priority order of codecs in Linphone-Desktop (not in mobile versions), and AV1 isn't supported by Linphone yet.


I'll keep in mind your suggestions, and maybe we could add it in future releases.


Regards,

Peio Rigaux
Junior Software Engineer
Belledonne Communications, the company behind Linphone
Linphone.org

Le 17/12/2020 à 08:47, Alan Azar a écrit :

OPTION TO CHANGE QUALITY\FPS IN A CALL
As the title says

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