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How to use HW video codec?


ning
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Help Armbian team helping you!

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something found in amlogic maillist:

 

Quote

With maxime's patch, we tested it using ffmpeg master, mpv master with drm-prime rendering. We have a buildroot repo with the changed needed : https://gitlab.com/baylibre/amlogic/atv/buildroot-yukawa

 

URL: http://lists.infradead.org/pipermail/linux-amlogic/2020-February/015510.html

 

mainline HW decoder for Amlogic is almost there.

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@ning

Glad to hear that .  Could you please tell me how to apply the codec to current mainline armbian OS ? I installed the latest armbian ( Armbian_20.02.0  with eoan desktop ) at my s905x tv box  and I would like to try it .  Thankyou !

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Hi, i'm also interested on this topic. I'm recently trying to figure out how to use the meson_vdec module. When enabled, it report new v4l2 device (as it should), but when trying to use mpv with --hwdec=auto (or hwdec=yes) with a hvec video (v4l2-ctl report that the meson_vdec have a hevc (h.265) decoder) i got a lot of "[ffmpeg/video] hevc_v4l2m2m: output  POLLERR" and then a segmentation fault.

To be clear, i'm not expecting that it works out of the box, even when loading the module, a warning appear saying that it is in staging phase and not means for daily use. I have not applied any patch, but i'm using debian sid repository.

If someone make the meson_vdec working (that, if i'm not wrong, it is a v4l2 driver), there is a chance that it is possible to get also a VA API driver using libva-v4l2-request: https://github.com/bootlin/libva-v4l2-request.

From what i have understood correctly, this library provide a VA API interface to a v4l2 driver, making it also compatible with VA API. Probably it will not support all the features, but... it is basically a free driver implementation.

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On 4/28/2020 at 1:16 AM, UniformBuffer said:

Hi, i'm also interested on this topic. I'm recently trying to figure out how to use the meson_vdec module. When enabled, it report new v4l2 device (as it should), but when trying to use mpv with --hwdec=auto (or hwdec=yes) with a hvec video (v4l2-ctl report that the meson_vdec have a hevc (h.265) decoder) i got a lot of "[ffmpeg/video] hevc_v4l2m2m: output  POLLERR" and then a segmentation fault.

To be clear, i'm not expecting that it works out of the box, even when loading the module, a warning appear saying that it is in staging phase and not means for daily use. I have not applied any patch, but i'm using debian sid repository.

If someone make the meson_vdec working (that, if i'm not wrong, it is a v4l2 driver), there is a chance that it is possible to get also a VA API driver using libva-v4l2-request: https://github.com/bootlin/libva-v4l2-request.

From what i have understood correctly, this library provide a VA API interface to a v4l2 driver, making it also compatible with VA API. Probably it will not support all the features, but... it is basically a free driver implementation.

@UniformBuffer

Did you find any solution for this issue?

I installed debian Linux odroidc2 5.4.35-meson64 and like you when I use mpv with --hwdec=auto or yes I'm getting endless [ffmpeg/video] hevc_v4l2m2m: output  POLLERR.

I didn 't patch anything only got the latest mesa so I could use lima for hardware acelleration. 

Now on video hardware decoding with meson vdec no luck

Thanks

Edited by dante6913
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24 minutes ago, dante6913 said:

@UniformBuffer

Did you find any solution for this issue?

I installed debian Linux odroidc2 5.4.35-meson64 and like you when I use mpv with --hwdec=auto or yes I'm getting endless [ffmpeg/video] hevc_v4l2m2m: output  POLLERR.

I didn 't patch anything only got the latest mesa so I could use lima for hardware acelleration. 

Now on video hardware decoding with meson vdec no luck

Thanks

Unfortunatly no, i'm also trying to get this working. I have looked on the internet, but i have found no result about this error. Honestly i don't know what is the cause. Probably there is something wrong on low level code and i'm not enough skilled on this to figure out what's the problem :(. I think we have to wait for some kernel update that generally bring some fixes.

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I have noticed that when i launch mpv with hardware decoding enable, dmesg gives me some errors. Maybe can be useful to figure out what's the problem:

Spoiler

[20730.099205] alloc_contig_range: 208 callbacks suppressed
[20730.099211] alloc_contig_range: [6c200, 6c300) PFNs busy
[20730.099351] alloc_contig_range: [6c300, 6c400) PFNs busy
[20730.100084] alloc_contig_range: [6c200, 6c300) PFNs busy
[20730.100221] alloc_contig_range: [6c300, 6c400) PFNs busy
[20730.100340] alloc_contig_range: [6ce00, 6cf00) PFNs busy
[20730.100467] alloc_contig_range: [6cf00, 6d000) PFNs busy
[20730.101182] alloc_contig_range: [6c200, 6c300) PFNs busy
[20730.101322] alloc_contig_range: [6c300, 6c400) PFNs busy
[20730.101442] alloc_contig_range: [6ce00, 6cf00) PFNs busy
[20730.101571] alloc_contig_range: [6cf00, 6d000) PFNs busy
[20730.222463] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.222477] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.285090] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.285103] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.345603] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.345615] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.406781] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.406793] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.467000] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.467012] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.531673] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.531683] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.593921] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.593934] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.657279] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.657291] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.731079] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.731090] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.793446] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.793457] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.859802] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.859814] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.926481] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.926493] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20730.988726] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20730.988738] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.051357] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.051369] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.113434] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.113446] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.177652] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.177664] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.240139] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.240152] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.302811] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.302823] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.365589] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.365600] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.428686] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.428698] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.490801] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.490813] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.552661] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.552674] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.615878] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.615947] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.683587] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.683601] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.748164] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.748177] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.812225] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.812238] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.874735] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.874747] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.936197] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.936209] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20731.999597] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20731.999609] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.063648] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.063660] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.126644] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.126656] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.190485] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.190495] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.253108] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.253120] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.321147] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.321159] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.388342] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.388355] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.450081] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.450092] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.512603] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.512616] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.576076] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.576089] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.637989] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.638001] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.701071] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.701082] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.766996] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.767008] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.830878] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.830889] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.892808] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.892821] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20732.954311] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20732.954323] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.024615] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.024627] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.122027] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.122075] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.224441] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.224453] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.298671] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.298682] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.363410] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.363423] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.427008] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.427020] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.491856] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.491869] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.559927] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.559939] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.622487] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.622499] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.686356] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.686367] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.754705] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.754716] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.819642] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.819653] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.884752] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.884764] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20733.947890] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20733.947901] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.010200] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.010213] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.072147] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.072159] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.135322] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.135334] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.204160] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.204172] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.267011] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.267023] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.337136] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.337148] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.400006] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.400018] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.469096] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.469108] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.532672] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.532683] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.594799] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.594811] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.658463] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.658475] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.724276] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.724288] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.788562] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.788574] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.852512] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.852525] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.916094] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.916106] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20734.980747] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20734.980759] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.049619] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.049631] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.102306] alloc_contig_range: 7462 callbacks suppressed
[20735.102312] alloc_contig_range: [73c00, 74c00) PFNs busy
[20735.102854] alloc_contig_range: [73d00, 74d00) PFNs busy
[20735.103391] alloc_contig_range: [73e00, 74e00) PFNs busy
[20735.103984] alloc_contig_range: [73f00, 74f00) PFNs busy
[20735.104540] alloc_contig_range: [74000, 75000) PFNs busy
[20735.105158] alloc_contig_range: [74100, 75100) PFNs busy
[20735.105769] alloc_contig_range: [74200, 75200) PFNs busy
[20735.110662] alloc_contig_range: [74300, 75300) PFNs busy
[20735.116422] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.116434] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.120026] alloc_contig_range: [6e300, 6f300) PFNs busy
[20735.120834] alloc_contig_range: [6e400, 6f400) PFNs busy
[20735.181022] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.181033] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.245401] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.245411] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.307502] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.307520] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.372087] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.372099] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.441144] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.441156] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.504057] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.504069] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.567664] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.567676] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.631339] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.631351] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.693208] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.693220] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.761147] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.761160] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.824463] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.824475] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.888390] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.888401] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20735.952735] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20735.952747] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.015925] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.015937] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.078087] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.078100] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.143191] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.143202] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.213571] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.213584] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.276796] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.276809] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.339004] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.339016] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.402567] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.402578] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.465756] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.465767] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.531150] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.531161] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.595235] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.595248] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.658294] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.658306] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.723338] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.723349] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.787910] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.787922] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.858352] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.858364] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.924339] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.924351] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20736.987709] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20736.987721] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.051079] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.051092] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.114260] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.114271] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.177929] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.177942] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.240844] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.240856] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.303774] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.303786] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.365349] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.365361] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.427327] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.427339] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.490727] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.490740] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.553846] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.553858] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.615000] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.615012] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.681313] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.681325] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.745771] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.745783] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.808954] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.808966] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.876137] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.876148] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20737.939754] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20737.939765] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20738.002930] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20738.002942] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20738.066087] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20738.066099] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20738.167496] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20738.167507] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20738.267945] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20738.267957] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin
[20738.354070] meson-vdec c8820000.video-codec: Direct firmware load for meson/vdec/gxl_hevc.bin failed with error -2
[20738.354082] meson-vdec c8820000.video-codec: Unable to request firmware meson/vdec/gxl_hevc.bin

Maybe each time the terminal report "POLLERR", the dmesg gives "Unable to request firmware meson/vdec/gxl_hevc.bin"?

 

From what i know the "PFNs busy" errors are related to wrong cma allocations.

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4 hours ago, xwfunny said:

 

Maybe you can download the missing file from here.

https://github.com/LibreELEC/meson-firmware/tree/master/meson

 

No, please just install armbian-firmware package. those firmwares are upstreamed to linux-firmware, which is built into armbian-firemware.

 

On 4/28/2020 at 8:16 AM, UniformBuffer said:

ere is a chance that it is possible to get also a VA API driver using libva-v4l2-request

 

meson-vdev is stateful video decode, no related to libva-v4l2-request.

 

recent mpv requres add opengl-pbo to config file.

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On 5/13/2020 at 8:11 AM, ning said:

meson-vdev is stateful video decode, no related to libva-v4l2-request.

 

recent mpv requres add opengl-pbo to config file.

oh, ok sorry, i'm not expert, i was just thinking about. I would like a lot to get hardware decoding, so i'm trying all possible ways :P

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On 5/13/2020 at 2:11 PM, ning said:

 

No, please just install armbian-firmware package. those firmwares are upstreamed to linux-firmware, which is built into armbian-firemware.

 

 

meson-vdev is stateful video decode, no related to libva-v4l2-request.

 

recent mpv requres add opengl-pbo to config file.

Could you please give us a detailed tutorial on how to use HW decode?

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On 5/13/2020 at 7:11 AM, ning said:

 

No, please just install armbian-firmware package. those firmwares are upstreamed to linux-firmware, which is built into armbian-firemware.

 

 

meson-vdev is stateful video decode, no related to libva-v4l2-request.

 

recent mpv requres add opengl-pbo to config file.

I tried mpv with 

 

vo=gpu

opengl-pbo

hwdec=auto

 

With Armbian_20.05.4_Arm-64_bullseye_current_5.7.0-rc5_desktop_20200514 but didn't have no luck video doesn't play. Can you please tell us, please, how to get hardware decoding?

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