Mpv: Raspberry Pi DRM Failed to create KMS

[sameer]

mpv version and platform

mpv v0.27.7 on Raspberry Pi 3 ARMv7l

Reproduction steps

Attempt to play any video without X or Wayland in the CLI mpv --vo=drm --hwdec=rpi file.mp4

Expected behavior

The video should play

Actual behavior

The video does not play

Log file

log

Sample files

Not needed, any h264 video will do.

[ghost]

Not a mpv problem.

[sameer]

Any idea what's causing it?

On Feb 14, 2018 19:59, "Vincent Lang" [e-mail] wrote:

Not a mpv problem.

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[sameer]

Omxplayer seems to work fine

On Feb 14, 2018 20:02, "Sameer Puri" [e-mail] wrote:

Any idea what's causing it?

On Feb 14, 2018 19:59, "Vincent Lang" [e-mail] wrote:

Not a mpv problem.

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[ghost]

Apparently the kernel doesn't support DRM for you. I'm not sure why you expect the command line to work at all. Even if DRM worked, --hwdec=rpi would fail.

[sameer]

The kernel is the rpi official kernel. There's no reason it should fail.
Could it be because rpi bumped the kernel to 4.14?

On Feb 14, 2018 20:14, "Vincent Lang" [e-mail] wrote:

Apparently the kernel doesn't support DRM for you. I'm not sure why you
expect the command line to work at all. Even if DRM worked, --hwdec=rpi
would fail.

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[ghost]

omxplayer doesn't use DRM?

[ghost]

I wasted about 5 minutes of my precious, unpaid life by typing up this: https://github.com/mpv-player/mpv/wiki/FAQ#Video_on_RPI_doesnt_work_or_is_too_slow

[sameer]

Thanks Vincent, sorry for the confusion.

On Feb 14, 2018 20:35, "Vincent Lang" [e-mail] wrote:

I wasted about 5 minutes of my precious, unpaid life by typing up this:
https://github.com/mpv-player/mpv/wiki/FAQ#Video_on_RPI_
doesnt_work_or_is_too_slow
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmpv-player%2Fmpv%2Fwiki%2FFAQ%23Video_on_RPI_doesnt_work_or_is_too_slow&data=02%7C01%7Csameer.puri%40mail-service-3-mx.vanderbilt.edu%7Cd4e7ea7dba3345639a2408d5741cd76c%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636542589580395587&sdata=OmICDc54anscyfRPdUlNNaUo8QYK54NZ%2FniOMxSpfxw%3D&reserved=0

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[ghost]

Feel free to enhance the FAQ if you found a solution. The main problem is that it's too hard to build, and also often distros don't bother doing that.

[sameer]

I managed to get it to work the first time I installed it on Raspbian, but now I have no clue how I did it...
I'll try to build through ArchlinuxArm and let you know if I figure it out.

[Gusar321]

Arch makes this quite easy, there are ffmpeg-mmal and mpv-rpi packages in AUR.

[sameer]

Yup, I saw those. I haven't gotten around to building mpv-rpi but I started ffmpeg-mmal last night.
It's hard to believe how old some of the repos on Raspbian are. The golang repo is from 2016...

[sameer]

Forgot to update this, but I managed to get it to work. Kudos to @fmang for the mpv-rpi and ffmpeg-mmal packages in AUR.