Den 21.08.2024 22:31, skrev Greg Oliver:
On Wed, Aug 21, 2024 at 2:41 PM Terje J. Hanssen
<terjejhans...@gmail.com>  wrote:


Den 15.08.2024 20:29, skrev Terje J. Hanssen:

tor. 15. aug. 2024, 13:27 skrev Wang, Fei W<fei.w.w...@intel.com>:

     On Wed, 2024-08-14 at 22:43 +0300, Dennis Mungai wrote:
     > On Wed, 14 Aug 2024 at 15:27, Terje J. Hanssen
     ><terjejhans...@gmail.com>  wrote:
     > >
     > >
     > > Den 14.08.2024 14:22, skrev Dennis Mungai:
     > >
     > > > On Wed, Aug 14, 2024, 15:15 Terje J. Hanssen
     > > ><terjejhans...@gmail.com>  wrote:
     > > >
     > > > >
     > > > >
     > > > > Den 14.08.2024 02:05, skrev Dennis Mungai:
     > > > >
     > > > > > On Wed, 14 Aug 2024, 02:59 Dennis Mungai,
     <dmng...@gmail.com>
     > > > > > wrote:
     > > > > >
     > > > > > > On Wed, 14 Aug 2024, 02:45 Terje J. Hanssen,
     > > > > > ><terjejhans...@gmail.com>  wrote:
     > > > > > >
     > > > > > > >
     > > > > > > >
     > > > > > > > Den 13.08.2024 19:40, skrev Dennis Mungai:
     > > > > > > >
     > > > > > > > > On Tue, 13 Aug 2024 at 19:49, Andrew Randrianasulu
     > > > > > > > ><randrianas...@gmail.com>
     > > > > > > > > wrote:
     > > > > > > > >
     > > > > > > > >
     > > > > > > > > > вт, 13 авг. 2024 г., 19:46 Terje J. Hanssen
     > > > > > > > > ><terjejhans...@gmail.com>:
     > > > > > > > > >
     > > > > > > > > >
     > > > > > > > > > > Hi,
     > > > > > > > > > >
     > > > > > > > > > > I try to test Vulkan h264 or h265 decoding
     > > > > > > > > > > according to test command at
     > > > > > > > > > >https://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,_Blac
     > > > > > > > > k-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
     > > > >
     > > > >
     > > > > >
     > > > > > >
     > > > > > > > -------------
     > > > > > > >
     .....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
     > > >
     > > > >
     > >
     ....snip
     >
     >
     >
     > According to Intel's docs on libva, the rext HEVC profile is
     > supported for decoding in your libva build, yet it fails on your end
     > (DG2).
     > I'm referring to the notes on
     >https://github.com/intel/libva/blob/master/va/va_dec_hevc.h#L242,
     > implying that this is tied to VAProfileHEVCScc* profile
     entry-points.
     > The failing video signals HEVC rext as it's profile.
     > Perhaps an intel developer can take a look at this and assist?
     >
     > Copying some of them in the thread.

     vainfo shows the supported entry points base on VAAPI. It doesn't mean
     vulkan also support them. You may use ffmpeg-vaapi to decode if you
     want:
     https://trac.ffmpeg.org/wiki/Hardware/VAAPI

     And more supported codec/formats can be found in intel media-driver's
     wiki:
     https://github.com/intel/media-driver


     Thanks
     Fei

Is there a way to list the video formats supported by Vulkan?

...........snip

Fwiw I tried to decode my source 10-bit ProRes 422 HQ video file - and
did not get the error output:

ffmpeg -hide_banner -init_hw_device "vulkan=vk:0" -hwaccel vulkan
-hwaccel_output_format vulkan -i hd01.mov -f null - -benchmark
[aist#0:1/pcm_s24le @ 0x55d342fef940] Guessed Channel Layout: hexadecagonal
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'hd01.mov':
    Metadata:
      creation_time   : 2016-02-23T23:49:21.000000Z
    Duration: 00:01:11.28, start: 0.000000, bitrate: 200496 kb/s
    Stream #0:0[0x1](eng): Video: prores (HQ) (apch / 0x68637061),
yuv422p10le(bt709, top coded first (swapped)), 1920x1080, 182130 kb/s,
bt709 is widely supported (on a lot of platforms) though.

I just noticed the following two extracted sections in the FFmpeg HWAccelIntro wiki:
https://trac.ffmpeg.org/wiki/HWAccelIntro

   Feature support varies – for more complex codecs with many different
   profiles, hardware decoders rarely implement all of them (for
   example, hardware decoders tend not to implement anything beyond YUV
   4:2:0 at 8-bit depth for H.264).

refer to the initial h264 example above


   Internal hwaccel decoders are enabled via the -hwaccel option (now
   supported in ffplay). The software decoder starts normally, but if
   it detects a stream which is decodable in hardware then it will
   attempt to delegate all significant processing to that hardware. If
   the stream is not decodable in hardware (for example, it is an
   unsupported codec or profile) then it will still be decoded in
   software automatically. If the hardware requires a particular device
   to function (or needs to distinguish between multiple devices, say
   if several graphics cards are available) then one can be selected
   using -hwaccel_device.

Possibly the latter ProRes example just is decoded automatically in software (?)


SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 2500 tbn (default)
        Metadata:
          creation_time   : 2016-02-23T23:49:21.000000Z
          handler_name    : Apple Video Media Handler
          vendor_id       : appl
          encoder         : Apple ProRes 422 (HQ)
    Stream #0:1[0x2](eng): Audio: pcm_s24le (lpcm / 0x6D63706C), 48000
Hz, hexadecagonal, s32 (24 bit), 18432 kb/s (default)
        Metadata:
          creation_time   : 2016-02-23T23:49:21.000000Z
          handler_name    : Apple Sound Media Handler
          vendor_id       : [0][0][0][0]
Stream mapping:
    Stream #0:0 -> #0:0 (prores (native) -> wrapped_avframe (native))
    Stream #0:1 -> #0:1 (pcm_s24le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, null, to 'pipe:':
    Metadata:
      encoder         : Lavf61.1.100
    Stream #0:0(eng): Video: wrapped_avframe, yuv422p10le(tv, bt709, top
coded first (swapped)), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s,
25 fps, 25 tbn (default)
        Metadata:
          creation_time   : 2016-02-23T23:49:21.000000Z
          handler_name    : Apple Video Media Handler
          vendor_id       : appl
          encoder         : Lavc61.3.100 wrapped_avframe
    Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, hexadecagonal, s16,
12288 kb/s (default)
        Metadata:
          creation_time   : 2016-02-23T23:49:21.000000Z
          handler_name    : Apple Sound Media Handler
          vendor_id       : [0][0][0][0]
          encoder         : Lavc61.3.100 pcm_s16le
[out#0/null @ 0x55d343006f40] video:765KiB audio:106920KiB subtitle:0KiB
other streams:0KiB global headers:0KiB muxing overhead: unknown
frame= 1781 fps=707 q=-0.0 Lsize=N/A time=00:01:11.24 bitrate=N/A
speed=28.3x
bench: utime=36.467s stime=0.477s rtime=2.517s
bench: maxrss=353584KiB
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