Radeon RX580 and trouble with Ffmpeg
Jim
azanorak at gmail.com
Fri Apr 5 18:29:05 MST 2024
Thanks. That will give me something to look into over the weekend.
On 4/5/24 17:34, Ryan Petris wrote:
> There's likely some setting you have to enable or change to enable
> hardware acceleration. You'll probably have to poke around or google
> for that as I'm not that familiar with those settings in Handbrake.
>
> That said, depending on what you're trying to do, you may just want to
> use CPU encoding anyway. You have a lot more control over what the
> final product looks like with CPU encoding that you do hardware
> encoding. With hardware encoding you can give it some parameters but
> ultimately you get whatever the encoder spits out, while you have many
> more knobs to turn for CPU encoding. You'll spend more time encoding
> but you'll likely end up with a better quality and smaller file with
> CPU encoding.
>
> On Fri, Apr 5, 2024, at 4:42 PM, Jim via PLUG-discuss wrote:
>>
>> Thanks Ryan for the advice. You mentioned the mesa and vdpau drivers
>> for hardware video acceleration. I'm testing handbrake now by having
>> it transcode the same video (25 minutes) and same settings I
>> mentioned earlier. ( H264 1440x1080 to 640x480). This time it's also
>> using around 95% of the cpu and transcoding at around 80 fps. Is it
>> using the hardware acceleration?
>>
>>
>> Thanks
>>
>> On 4/5/24 15:37, Ryan Petris via PLUG-discuss wrote:
>>> Yeah, I wouldn't use the proprietary AMD drivers. Jim, undo whatever
>>> it is that you did with the amdgpu-pro drivers and install the
>>> "xserver-xorg-video-amdgpu" (if you're on debian or a debian based
>>> distro, which I assume you are based on the mentioning of a deb
>>> package) and restart. That should be all you need.
>>>
>>> If you're wanting hardware video acceleration you can also install
>>> the following packages:
>>>
>>> mesa-va-drivers
>>> vdpau-driver-all
>>>
>>> Those are listed on this wiki page:
>>> https://wiki.debian.org/HardwareVideoAcceleration
>>> <https://wiki.debian.org/HardwareVideoAcceleration>
>>>
>>> On Fri, Apr 5, 2024, at 3:29 PM, z via PLUG-discuss wrote:
>>>> I also don't think I made it clear that mesa is probably better
>>>> than the proprietary AMD drivers on linux. The same is untrue on
>>>> NVIDIA.
>>>>
>>>> Apr 5, 2024 15:11:16 z via PLUG-discuss
>>>> <plug-discuss at lists.phxlinux.org>
>>>> <mailto:plug-discuss at lists.phxlinux.org>:
>>>>
>>>> Do you truly need proprietary drivers? That card is one of the
>>>> best supported by open source software. So I would just install
>>>> mesa, which should be easily installed from your distro's
>>>> package manager, if it's not installed already.
>>>>
>>>> Assuming you do need proprietary, maybe try a reboot if you
>>>> haven't already? It's giving a missing binary error and
>>>> sometimes I get those after a kernel update and not rebooting.
>>>>
>>>>
>>>>
>>>> Zack
>>>>
>>>> Apr 5, 2024 14:43:44 Jim via PLUG-discuss
>>>> <plug-discuss at lists.phxlinux.org>
>>>> <mailto:plug-discuss at lists.phxlinux.org>:
>>>>
>>>> Today the Radeon RX580 graphics card I bought arrived. To
>>>> get the drivers for the card, I went here
>>>>
>>>> https://www.amd.com/en/support
>>>> <https://www.amd.com/en/support> where I downloaded
>>>> amdgpu-install_6.0.60002-1_all.deb
>>>>
>>>> Next I started following the instructions at
>>>> https://amdgpu-install.readthedocs.io/en/latest/
>>>> <https://amdgpu-install.readthedocs.io/en/latest/> then I
>>>> started running into problems.
>>>>
>>>> amdgpu-install --vulkan=amdvlk,pro gave me 2 errors:
>>>>
>>>> E: Unable to locate package vulkan-amdgpu-pro and the same
>>>> for vulkan-amdgpu-pro:i386
>>>>
>>>> I kept going and entered amdgpu-install -y
>>>> --usecase=workstation
>>>>
>>>> That returned the errors Unable to locate package
>>>> amdgpu-pro and amdgpu-pro-lib32
>>>>
>>>> With the error messages I figured I'd have problems, but I
>>>> tried to find out if I could use the hardware acceleration
>>>> so I entered|:|
>>>>
>>>> |ffmpeg -i input.mp4 -c:v h264_amf -c:a copy output.mp4
>>>>
>>>> That gave me several errors. The first one was [h264_amf @
>>>> 0x562e1f855380] DLL libamfrt64.so.1 failed to open|
>>>>
>>>> |So I tried sudo updatedb and locate libamfrt64.so.1 which
>>>> returned nothing. That told me the file wasn't there.|
>>>>
>>>> |I tried to transcode a file with Handbrake but it didn't
>>>> show h264_amf among the available codec options.|
>>>>
>>>> |I tried searching for how to install libamfrt64.so.1 but
>>>> all I got was references to steps I already tried.|
>>>>
>>>> |Did I make a mistake somwhere or does AMD need to fix
>>>> something?|
>>>>
>>>> |Thank for your help.|
>>>>
>>>> |Jim|
>>>>
>>>>
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>>>
>>>
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