[Bug 101254] VDPAU videos take forever to start in different applications

[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|xorg-team@lists.x.org       |dri-devel@lists.freedesktop
                   |                            |.org
           Assignee|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
                   |                            |.org
            Product|xorg                        |Mesa
          Component|Driver/Radeon               |Drivers/Gallium/radeonsi
            Version|git                         |unspecified

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
Mesa or the kernel is more likely.

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #2 from joeri.exelmans@gmail.com ---
Created attachment 131645
  --> https://bugs.freedesktop.org/attachment.cgi?id=131645&action=edit
vdpauinfo

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #3 from joeri.exelmans@gmail.com ---
Wasn't aware that Mesa offered both a VDPAU and a VAAPI driver.
mpv + VAAPI works fine, mpv + VDPAU is broken.

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #4 from Andy Furniss <adf.lists@gmail.com> ---
mpv 0.14.0 (C) 2000-2015

Does it work with current mpv?

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

joeri.exelmans@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #131606|0                           |1
        is obsolete|                            |

--- Comment #5 from joeri.exelmans@gmail.com ---
Created attachment 131648
  --> https://bugs.freedesktop.org/attachment.cgi?id=131648&action=edit
latest mpv (from git) verbose output - same problem

Same problem with latest mpv from git. Video never starts.

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #6 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to joeri.exelmans from comment #5)
> Created attachment 131648 [details]
> latest mpv (from git) verbose output - same problem
> 
> Same problem with latest mpv from git. Video never starts.

OK, that's me out of ideas. I can't reproduce this on my R9 285 card.

FWIW with current ffmpeg, vaapi is not a good workaround as it will eventually
use all memory. Older ffmpeg won't.

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #7 from joeri.exelmans@gmail.com ---
I used this guide (https://pkg-xorg.alioth.debian.org/howto/build-mesa.html) to
 build the mesa project with git version
84012262ea70435507d3b88ddbc0f621781ec275 (Mar 21 2017), and I can use VDPAU
again in Kodi.

The configure command that I used:
./configure --enable-vdpau --enable-va --with-gallium-drivers=r600
--with-dri-drivers=radeon --enable-llvm --enable-dri3
--with-llvm-prefix=/usr/lib/llvm-4.0 --enable-gles1 --enable-gles2
--enable-glx-tls

The environment variables when running Kodi:
export LIBGL_DRIVERS_PATH=lib
export LD_LIBRARY_PATH=lib
export VDPAU_DRIVER_PATH=lib
(lib being in the mesa git project dir)

So Kodi works, VLC already worked, but mpv is still broken. The movie starts
playing (cause I can hear the audio), which is an improvement, but the player
window is entirely blue + a lot of opengl errors in stdout. Maybe because old
mesa + new mpv is a bad idea, or maybe I did something wrong building mesa.

I'll continue to search for the specific commit that broke VDPAU in Kodi.

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #8 from H4nN1baL <reizemberk@gmail.com> ---
I have this same problem but in r600g since 2017-05-17, my report in mpv:
https://github.com/mpv-player/mpv/issues/4433

In my case, the issue only manifest using: 'mpv --vo=opengl --hwdec=vdpau'

I think this other issue is also related:
https://github.com/mpv-player/mpv/issues/4430

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[Bug 101254] VDPAU videos take forever to start in different applications

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #9 from joeri.exelmans@gmail.com ---
Interesting, probably a bug in the r600 gallium driver then. Mpv with
--hwdec=vdpau-copy (instead of --hwdec=vdpau) seems to work for me as well.
Maybe VLC also uses that method.

So far I've built Mesa git versions

84012262ea70435507d3b88ddbc0f621781ec275 (Tue Mar 21 23:15:05 2017 +0100)
566f2ed5716297ce60ca10c57aeddc406835c430 (Fri Apr 14 23:39:15 2017 +0200)
9db9b2e8cd0a0d250c6251a2fef17198616519e7 (Wed May 3 18:37:28 2017 +0200)

and they all work with Kodi and VDPAU.

The blue screen in mpv could be a bug in mpv 0.25 or Mesa still. My guess is
mpv because never had that problem with mpv 0.14 from Ubuntu repository.

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

joeri.exelmans@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|VDPAU videos take forever   |VDPAU videos don't start
                   |to start in different       |playing with r600 gallium
                   |applications                |driver

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

joeri.exelmans@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Drivers/Gallium/radeonsi    |Drivers/Gallium/r600
            Version|unspecified                 |git

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #10 from joeri.exelmans@gmail.com ---
Edited summary, changed component Drivers/Gallium/radeonsi ->
Drivers/Gallium/r600

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #11 from H4nN1baL <reizemberk@gmail.com> ---
 I use mpv 0.25.0-9-g18703b55d until an update of padoka PPA broke vdpau. After
that I have been recompiling ffmpeg and mpv regularly to see if any updates fix
the issue, but so far all the results have been unfruitful.
 I even did some downgrades to mpv, but I also did not succeed.

 The only thing that I not tried is to use an older version of ffmpeg compiled
with the old vdpau API (--enable-gpl --enable-version3) with an mpv version
prior to this:
https://github.com/mpv-player/mpv/commit/f59371de2170141fc28540d03c4e7ecc62844ebf

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #12 from joeri.exelmans@gmail.com ---
Okay, I found the (series of) commits that break VDPAU in Kodi and mpv.

They were added to the master branch on 2017-05-15 11:01:33 (GMT), all authored
by Marek Olšák <marek.olsak@amd.com>.

This is the last commit that works:

https://cgit.freedesktop.org/mesa/mesa/commit/?id=42fe45b45161e9c9d714436923e88e46fdb3614a
Summary: gallium/radeon: require both WRITE and FLUSH_EXPLICIT in
buffer_flush_region

Next there are a number of commits, all by Marek Olšák that won't compile
because an include is missing:

https://cgit.freedesktop.org/mesa/mesa/commit/?id=8b5485957e19287f7e694e7e87eed784c44bb1e2
Summary: gallium/radeon: unwrap a context if we get a wrapped one

https://cgit.freedesktop.org/mesa/mesa/commit/?id=e11f7e1d5996532228c6494ff9e93431c5506ef5
Summary: gallium/radeon: handle TC_TRANSFER_MAP_THREADED_UNSYNC

https://cgit.freedesktop.org/mesa/mesa/commit/?id=93d549b2af84158f25842fd08b5882b041b33f62
Summary: gallium/radeon: handle other map buffer flags from the threaded
context

The next commit fixes the missing include and hence compiles, but has the bug
that this thread is about:

https://cgit.freedesktop.org/mesa/mesa/commit/?id=b4fc399c088f77a8e426742707c9566505f1b7dd
Summary: gallium/radeon: subclass threaded_resource

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #13 from Marek Olšák <maraeo@gmail.com> ---
Created attachment 131771
  --> https://bugs.freedesktop.org/attachment.cgi?id=131771&action=edit
possible fix

Can you try this patch?

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #14 from joeri.exelmans@gmail.com ---
With the patch, VDPAU works again.

Is it a fix or does it simply disable a feature?

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #15 from Marek Olšák <maraeo@gmail.com> ---
It's the real fix.

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

--- Comment #16 from joeri.exelmans@gmail.com ---
Thanks!

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[Bug 101254] VDPAU videos don't start playing with r600 gallium driver

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https://bugs.freedesktop.org/show_bug.cgi?id=101254

joeri.exelmans@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

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