Re: [FFmpeg-user] Cannot build ffmpeg with vulkan support anymore

2023-09-04 Thread Ferdi Scholten



On 04-09-2023 13:41, Ferdi Scholten wrote:
Wanted to build the newest ffmpeg from git today (sept 4 2023), but to 
my surprise configuring failed with the error message


    ERROR: vulkan requested but not found

However vulkan is installed and active on my system, searching in the 
config.log revealed that indeed vulkan was found, but the version was 
to old. The expected version was 1.3.255 but the installed version is: 
1.3.239 (from latest stable MESA 23.1.6)


This is however a problem, as this version has indeed been released 
(jun 2023) by the Khronos group, but is not yet implemented anywhere 
except in the most bleeding edge vulkan sources. Even the oibaf ppa 
does not have it yet (it is on 1.3.250)


My last build from git (Aug 25 2023) went flawless so somewhere in 
between the needed vulkan version was updated. As there is no 
(relatively easy way) to get the needed vulkan drivers for my system, 
are there really changes made in ffmpeg to make this new (as yet 
unobtainable) vulkan version necessary? Or will building with the 
older version break things?
Just tested building with older vulkan version (bypassing version 
check). This does indeed break the build, so had to resort to disabling 
vulkan in the build to get a new working version of ffmpeg. Do not use 
vulkan often in ffmpeg so I can cope with it for now.

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Re: [FFmpeg-user] Cannot build ffmpeg with vulkan support anymore

2023-09-04 Thread Ferdi Scholten
Wanted to build the newest ffmpeg from git today (sept 4 2023), but to 
my surprise configuring failed with the error message


    ERROR: vulkan requested but not found

However vulkan is installed and active on my system, searching in the 
config.log revealed that indeed vulkan was found, but the version was 
to old. The expected version was 1.3.255 but the installed version is: 
1.3.239 (from latest stable MESA 23.1.6)


This is however a problem, as this version has indeed been released 
(jun 2023) by the Khronos group, but is not yet implemented anywhere 
except in the most bleeding edge vulkan sources. Even the oibaf ppa 
does not have it yet (it is on 1.3.250)


My last build from git (Aug 25 2023) went flawless so somewhere in 
between the needed vulkan version was updated. As there is no 
(relatively easy way) to get the needed vulkan drivers for my system, 
are there really changes made in ffmpeg to make this new (as yet 
unobtainable) vulkan version necessary? Or will building with the 
older version break things?


Going through the git log I found that some memory leaks with vulkan 
filters were fixed on aug. 26 (a day after my successful build). That is 
probably where the change came from. Unfortunately unable to find out if 
anything in the code really needs the updated vulkan version.

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