[FFmpeg-user] Failed setup for format vulkan: hwaccel initialisation returned error for Arc A750

Dennis Mungai dmngaie at gmail.com
Wed Aug 14 15:22:46 EEST 2024


On Wed, Aug 14, 2024, 15:15 Terje J. Hanssen <terjejhanssen at gmail.com>
wrote:

>
>
> Den 14.08.2024 02:05, skrev Dennis Mungai:
>
> On Wed, 14 Aug 2024, 02:59 Dennis Mungai, <dmngaie at gmail.com> wrote:
>
>> On Wed, 14 Aug 2024, 02:45 Terje J. Hanssen, <terjejhanssen at gmail.com>
>> wrote:
>>
>>>
>>>
>>> Den 13.08.2024 19:40, skrev Dennis Mungai:
>>>
>>> On Tue, 13 Aug 2024 at 19:49, Andrew Randrianasulu <randrianasulu at gmail.com> <randrianasulu at gmail.com>
>>> wrote:
>>>
>>>
>>> вт, 13 авг. 2024 г., 19:46 Terje J. Hanssen <terjejhanssen at gmail.com> <terjejhanssen at gmail.com>:
>>>
>>>
>>> Hi,
>>>
>>> I try to test Vulkan h264 or h265 decoding according to test command athttps://trac.ffmpeg.org/wiki/HWAccelIntro#Vulkan
>>> ffmpeg -init_hw_device "vulkan=vk:0" -hwaccel vulkan
>>> -hwaccel_output_format vulkan -i INPUT -f null - -benchmark
>>>
>>> but get the following output error:
>>> [h264 @ 0x55952760cf40] Failed setup for format vulkan: hwaccel
>>> initialisation returned error.
>>> or
>>> [hevc @ 0x5580e96e8c80] Failed setup for format vulkan: hwaccel
>>> initialisation returned error.
>>>
>>> Any suggestion how to solve it?
>>>
>>>
>>> Honestly, no idea .. try ffmpeg matrix/irc channel or ffmpeg-user?
>>>
>>>
>>> This has to do with your input file. Your log indicates that you're
>>> attempting to decode 10-bit H.264, and from my suspicion, almost zero GPUs
>>> implement 10-bit H.264 decode.
>>> You can verify via vainfo's output to see the decoder limitation(s) for
>>> H.264 levels, etc.
>>> Try decoding any of the sample file from Kodi's H.264 sample collection:https://kodi.wiki/view/Samples#Codecs,_Framerates,_Black-levels_and_Subtitles
>>> And report back.
>>> _______________________________________________
>>>
>>>
>>>
>>> 1) Thank you for your suspicion regarding almost zero GPUs implement
>>> 10-bit H.264 decode.
>>> This is obviously true in my case, because when I tested a h264 8-bit
>>> yuv420p file, the hwaccel
>>> initialisation error was away. Full ffmpeg output report below using my
>>> own encoded input file.
>>> (Even with a h264 8-bit yuv422p input file ffmpeg did output the hwaccel
>>> initialisation error)
>>>
>>> 2) However Intel Arc A-series should support HEVC (H.265) 10-bit 4:2:0
>>> and 10-bit 4:2:2 decode and encode formats  according to this page:
>>>
>>> https://www.intel.com/content/www/us/en/support/articles/000098345/graphics.html
>>> Also testing the corresponding input file in this format get the hwaccel
>>> initialisation error, see the full ffmpeg output below.
>>>
>>>
>>> .......snip
>
> -------------
>>>
>>> vainfo | egrep 'H264|422_10'
>>>
>>> libva info: VA-API version 1.22.0
>>> libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so
>>> libva info: Found init function __vaDriverInit_1_21
>>> libva info: va_openDriver() returns 0
>>>       VAProfileH264Main               :    VAEntrypointVLD
>>>       VAProfileH264Main               :    VAEntrypointEncSliceLP
>>>       VAProfileH264High               :    VAEntrypointVLD
>>>       VAProfileH264High               :    VAEntrypointEncSliceLP
>>>       VAProfileH264ConstrainedBaseline:    VAEntrypointVLD
>>>       VAProfileH264ConstrainedBaseline:    VAEntrypointEncSliceLP
>>>       VAProfileHEVCMain422_10         :    VAEntrypointVLD
>>>       VAProfileHEVCMain422_10         :    VAEntrypointEncSliceLP
>>>
>>> ----------
>>>
>>> vulkaninfo | egrep 'H264|H265|HEVC'
>>>                 VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR
>>>                 VIDEO_CODEC_OPERATION_DECODE_H265_BIT_KHR
>>>
>>> -------------
>>>
>>>
>>> ....snip
>
> --------------
>>>
>>> 2) 23M    h265_yuv422p10le_SR.mp4
>>>
>>> ffmpeg -hide_banner -init_hw_device "vulkan=vk:0" -hwaccel vulkan
>>> -hwaccel_output_format vulkan -i h265_yuv422p10le_SR.mp4 -f null -
>>> -benchmark
>>> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'h265_yuv422p10le_SR.mp4':
>>>   Metadata:
>>>     major_brand     : isom
>>>     minor_version   : 512
>>>     compatible_brands: isomiso2mp41
>>>     encoder         : Lavf61.1.100
>>>   Duration: 00:01:11.16, start: 0.000000, bitrate: 2703 kb/s
>>>   Stream #0:0[0x1](und): Video: hevc (Rext) (hev1 / 0x31766568),
>>> yuv422p10le(pc, smpte170m/unknown/unknown, top coded first (swapped)),
>>> 1920x1080 [SAR 1:1 DAR 16:9], 2700 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
>>>       Metadata:
>>>         handler_name    : VideoHandler
>>>         vendor_id       : [0][0][0][0]
>>> Stream mapping:
>>>   Stream #0:0 -> #0:0 (hevc (native) -> wrapped_avframe (native))
>>> Press [q] to stop, [?] for help
>>> ** [hevc @ 0x55edf209fa40] Failed setup for format vulkan: hwaccel
>>> initialisation returned error.
>>> ** [hevc @ 0x55edf209fa40] Unsupported film grain parameters. Ignoring
>>> film grain.
>>> Output #0, null, to 'pipe:':
>>>   Metadata:
>>>     major_brand     : isom
>>>     minor_version   : 512
>>>     compatible_brands: isomiso2mp41
>>>     encoder         : Lavf61.1.100
>>>   Stream #0:0(und): Video: wrapped_avframe, yuv422p10le(pc,
>>> smpte170m/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9],
>>> q=2-31, 200 kb/s, 25 fps, 25 tbn (default)
>>>       Metadata:
>>>         handler_name    : VideoHandler
>>>         vendor_id       : [0][0][0][0]
>>>         encoder         : Lavc61.3.100 wrapped_avframe
>>> [out#0/null @ 0x55edf207ff40] video:764KiB audio:0KiB subtitle:0KiB
>>> other streams:0KiB global headers:0KiB muxing overhead: unknown
>>> frame= 1779 fps=750 q=-0.0 Lsize=N/A time=00:01:11.16 bitrate=N/A
>>> speed=  30x
>>> bench: utime=15.892s stime=0.188s rtime=2.371s
>>> bench: maxrss=411104KiB
>>>
>>
>>
>> It seems that as implemented, Vulkan decoding is definitely failing with
>> interlaced HEVC video, regardless of the underlying pixel format.
>>
>> The file failing on your end is interlaced HEVC, see
>> h265_yuv422p10le_SR.mp4
>>
>
> This ticket may also be relevant, interlaced HEVC encodes are quite rare
> out here and may be non-spec compliant.
>
> ======================
>
> Good points.
>
> My original ProRes422 HQ source input file before encoding to HEVC using
> CinelerraGG/FFmpeg, was a  in a valid HD 1920x1080i25 format.
> I also had a look at the available ffmpeg pixel formats:
>
> ffmpeg -hide_banner -h encoder=hevc | grep yuv422p10
>     Supported pixel formats: yuv420p yuvj420p yuv422p yuvj422p yuv444p
> yuvj444p gbrp yuv420p10le yuv422p10le yuv444p10le gbrp10le yuv420p12le
> yuv422p12le yuv444p12le gbrp12le gray gray10le gray12le
>
> ffmpeg -hide_banner -h full codecs=hevc | grep yuv422p10
>      yuv422p10       64           ..FV.......
>      yuv422p10       3            ..FV.......
>
> So now in a third attempt,  I've tried to simply deinterlace the H.265
> file, but still get the ffmpeg Vulkan hwaccel initialisation error.
> I'm wondering if my deinterlace code line is correct, because the
> deinterlaced output is smaller (halph the size) of the input file.
> I would have expected it larger(?)
>
> --------------
>
> ffmpeg -hide_banner -i h265_yuv422p10le_SR.mp4 -vf yadif=parity=auto -c:v
> libx265 -c:a copy h265_yuv422p10le_SR_deinterlaced.mp4
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'h265_yuv422p10le_SR.mp4':
>   Metadata:
>     major_brand     : isom
>     minor_version   : 512
>     compatible_brands: isomiso2mp41
>     encoder         : Lavf61.1.100
>   Duration: 00:01:11.16, start: 0.000000, bitrate: 2703 kb/s
>   Stream #0:0[0x1](und): Video: hevc (Rext) (hev1 / 0x31766568),
> yuv422p10le(pc, smpte170m/unknown/unknown, top coded first (swapped)),
> 1920x1080 [SAR 1:1 DAR 16:9], 2700 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
>       Metadata:
>         handler_name    : VideoHandler
>         vendor_id       : [0][0][0][0]
> File 'h265_yuv422p10le_SR_deinterlaced.mp4' already exists. Overwrite?
> [y/N] y
> Stream mapping:
>   Stream #0:0 -> #0:0 (hevc (native) -> hevc (libx265))
> Press [q] to stop, [?] for help
> x265 [info]: HEVC encoder version
> x265 [info]: build info [Linux][GCC 13.3.0][64 bit] 10bit
> x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX
> FMA3 BMI2 AVX2
> x265 [info]: Main 4:2:2 10 profile, Level-4 (Main tier)
> x265 [info]: Thread pool created using 20 threads
> x265 [info]: Slices                              : 1
> x265 [info]: frame threads / pool features       : 4 / wpp(17 rows)
> x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
> x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
> x265 [info]: ME / range / subpel / merge         : hex / 57 / 2 / 3
> x265 [info]: Keyframe min / max / scenecut / bias  : 25 / 250 / 40 / 5.00
> x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
> x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 0
> x265 [info]: References / ref-limit  cu / depth  : 3 / off / on
> x265 [info]: AQ: mode / str / qg-size / cu-tree  : 2 / 1.0 / 32 / 1
> x265 [info]: Rate Control / qCompress            : CRF-28.0 / 0.60
> x265 [info]: tools: rd=3 psy-rd=2.00 early-skip rskip mode=1 signhide tmvp
> x265 [info]: tools: b-intra strong-intra-smoothing lslices=6 deblock sao
> Output #0, mp4, to 'h265_yuv422p10le_SR_deinterlaced.mp4':
>   Metadata:
>     major_brand     : isom
>     minor_version   : 512
>     compatible_brands: isomiso2mp41
>     encoder         : Lavf61.1.100
>   Stream #0:0(und): Video: hevc (hev1 / 0x31766568), yuv422p10le(pc,
> smpte170m/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9],
> q=2-31, 25 fps, 12800 tbn (default)
>       Metadata:
>         handler_name    : VideoHandler
>         vendor_id       : [0][0][0][0]
>         encoder         : Lavc61.3.100 libx265
>       Side data:
>         cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
> [out#0/mp4 @ 0x5623a778e940] video:11443KiB audio:0KiB subtitle:0KiB other
> streams:0KiB global headers:2KiB muxing overhead: 0.213827%
> frame= 1779 fps= 48 q=32.7 Lsize=   11468KiB time=00:01:11.08
> bitrate=1321.7kbits/s speed=1.92x
> x265 [info]: frame I:      9, Avg QP:26.34  kb/s: 10966.00
> x265 [info]: frame P:    452, Avg QP:27.25  kb/s: 3883.36
> x265 [info]: frame B:   1318, Avg QP:34.22  kb/s: 370.40
> x265 [info]: Weighted P-Frames: Y:10.2% UV:0.0%
>
> encoded 1779 frames in 36.97s (48.12 fps), 1316.56 kb/s, Avg QP:32.41
>
> ----------------
>
> 3) 12M    h265_yuv422p10le_SR_deinterlaced.mp4
>
>
> ffmpeg -hide_banner -init_hw_device "vulkan=vk:0" -hwaccel vulkan
> -hwaccel_output_format vulkan -i h265_yuv422p10le_SR_deinterlaced.mp4 -f
> null - -benchmark
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
> 'h265_yuv422p10le_SR_deinterlaced.mp4':
>   Metadata:
>     major_brand     : isom
>     minor_version   : 512
>     compatible_brands: isomiso2mp41
>     encoder         : Lavf61.1.100
>   Duration: 00:01:11.16, start: 0.000000, bitrate: 1320 kb/s
>   Stream #0:0[0x1](und): Video: hevc (Rext) (hev1 / 0x31766568),
> yuv422p10le(pc, smpte170m/unknown/unknown, progressive), 1920x1080 [SAR 1:1
> DAR 16:9], 1317 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
>       Metadata:
>         handler_name    : VideoHandler
>         vendor_id       : [0][0][0][0]
>         encoder         : Lavc61.3.100 libx265
> Stream mapping:
>   Stream #0:0 -> #0:0 (hevc (native) -> wrapped_avframe (native))
> Press [q] to stop, [?] for help
> [hevc @ 0x56422043e480] Failed setup for format vulkan: hwaccel
> initialisation returned error.
> Output #0, null, to 'pipe:':
>   Metadata:
>     major_brand     : isom
>     minor_version   : 512
>     compatible_brands: isomiso2mp41
>     encoder         : Lavf61.1.100
>   Stream #0:0(und): Video: wrapped_avframe, yuv422p10le(pc,
> smpte170m/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9],
> q=2-31, 200 kb/s, 25 fps, 25 tbn (default)
>       Metadata:
>         handler_name    : VideoHandler
>         vendor_id       : [0][0][0][0]
>         encoder         : Lavc61.3.100 wrapped_avframe
> [out#0/null @ 0x564220459f40] video:764KiB audio:0KiB subtitle:0KiB other
> streams:0KiB global headers:0KiB muxing overhead: unknown
> frame= 1779 fps=790 q=-0.0 Lsize=N/A time=00:01:11.16 bitrate=N/A
> speed=31.6x
> bench: utime=13.717s stime=0.122s rtime=2.251s
> bench: maxrss=418956KiB
>
> ===================================
>


Can I see a full dump from vainfo? Want to confirm something

>


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