I would like to check Andrew's 3 attached patches in as: ffmpeg-8.0.V1 ... V2 ... V3 so that they do not get lost. I built 3 different distros with them in WITHOUT any vulkan stuff installed just to make sure no impact to normalcy. What do you think?
On Tue, Dec 2, 2025 at 6:34 PM Andrew Randrianasulu via Cin < [email protected]> wrote: > On Mon, Dec 1, 2025 at 8:09 PM Andrew Randrianasulu > <[email protected]> wrote: > > > > Probably at patchwork also, but GSoC page links to this > > > > https://github.com/raphaelthegreat/FFmpeg/tree/prores-vk-encode > > > > page itself: > > > > https://summerofcode.withgoogle.com/archive/2025/projects/PHTgRqGg > > > > so I pulled tree into separate folder, switched to branch, extracted 3 > last commits, git am them to ffmpeg.git (there was host copy vulkan fix in > meantime) > > > > And .... > > > > it seems to work. > > > > At least for HQ profile ... > > > > at 4.5 fps, but this is faster than ffv1 (but not lossless, obviously). > > > > ./ffmpeg -init_hw_device vulkan=vulkan -hwaccel vulkan > -filter_hw_device vulkan -i /dev/shm/Nature072-A006C0035_230328_4U1Q.mov > -vf libplacebo -c:v prores_ks_vulkan -f matroska -noautoscale -pix_fmt > vulkan 4k.mov > > ffmpeg version N-120782-gc12bca52f8 Copyright (c) 2000-2025 the FFmpeg > developers > > built with gcc 11.2.0 (GCC) > > configuration: --enable-opencl --disable-debug --enable-libx265 > --enable-libx264 --enable-gpl --enable-libplacebo --enable-vulkan > --enable-libshaderc --enable-libzimg --enable-libaom --enable-libdav1d > --enable-libsoxr --enable-libfontconfig --enable-libfreetype > --enable-libfribidi --enable-gnutls --enable-libass --enable-libbluray > --enable-libcdio --enable-frei0r --enable-libgsm --enable-openal > --enable-libopus --enable-librtmp --enable-libsnappy --enable-libspeex > --enable-libssh --enable-libtheora --enable-libtwolame --enable-libv4l2 > --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp > > libavutil 60. 19.101 / 60. 19.101 > > libavcodec 62. 21.100 / 62. 21.100 > > libavformat 62. 6.103 / 62. 6.103 > > libavdevice 62. 2.100 / 62. 2.100 > > libavfilter 11. 10.101 / 11. 10.101 > > libswscale 9. 3.100 / 9. 3.100 > > libswresample 6. 2.100 / 6. 2.100 > > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from > '/dev/shm/Nature072-A006C0035_230328_4U1Q.mov': > > Metadata: > > major_brand : qt > > minor_version : 512 > > compatible_brands: qt > > creation_time : 2023-04-07T18:41:32.000000Z > > encoder : Blackmagic Design DaVinci Resolve Studio > > Duration: 00:00:08.00, start: 0.000000, bitrate: 1787424 kb/s > > Stream #0:0[0x1]: Video: prores (HQ) (apch / 0x68637061), > yuv422p10le(tv, bt709, progressive), 3840x2160, 1787418 kb/s, SAR 1:1 DAR > 16:9, 60 fps, 60 tbr, 15360 tbn (default) > > Metadata: > > creation_time : 2023-04-07T18:41:32.000000Z > > handler_name : VideoHandler > > vendor_id : appl > > encoder : Apple ProRes 422 HQ > > timecode : 21:22:52:12 > > Stream #0:1[0x2](eng): Data: none (tmcd / 0x64636D74), 0 kb/s > > Metadata: > > creation_time : 2023-04-07T18:41:32.000000Z > > handler_name : TimeCodeHandler > > timecode : 21:22:52:12 > > File '4k.mov' already exists. Overwrite? [y/N] y > > Stream mapping: > > Stream #0:0 -> #0:0 (prores (native) -> prores (prores_ks_vulkan)) > > Press [q] to stop, [?] for help > > [prores_ks_vulkan @ 0xb299440] Autoselected HQ profile to keep best > quality. It can be overridden through -profile option. > > Output #0, matroska, to '4k.mov': > > Metadata: > > major_brand : qt > > minor_version : 512 > > compatible_brands: qt > > encoder : Lavf62.6.103 > > Stream #0:0: Video: prores (HQ) (apch / 0x68637061), vulkan(tv, bt709, > progressive), 3840x2160 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 60 fps, 1k > tbn (default) > > Metadata: > > encoder : Lavc62.21.100 prores_ks_vulkan > > creation_time : 2023-04-07T18:41:32.000000Z > > handler_name : VideoHandler > > vendor_id : appl > > timecode : 21:22:52:12 > > [out#0/matroska @ 0xb29ddc0] video:1770722KiB audio:0KiB subtitle:0KiB > other streams:0KiB global headers:0KiB muxing overhead: 0.001071% > > frame= 480 fps=4.5 q=-0.0 Lsize= 1770741KiB time=00:00:08.00 > bitrate=1813239.1kbits/s speed=0.0755x elapsed=0:01:45.90 > > > > > > testing: > > > > bash-5.1$ mplayer 4k.mov > > MPlayer SVN-r38660-11.2.0 (C) 2000-2024 MPlayer Team > > 227 audio & 468 video codecs > > do_connect: could not connect to socket > > connect: No such file or directory > > Failed to open LIRC support. You will not be able to use your remote > control. > > > > Playing 4k.mov. > > libavformat version 61.6.100 (internal) > > libavformat file format detected. > > [lavf] stream 0: video (prores), -vid 0 > > VIDEO: [apch] 3840x2160 0bpp 60.000 fps 0.0 kbps ( 0.0 kbyte/s) > > > ========================================================================== > > Opening video decoder: [qtvideo] Quicktime Video decoder > > sh->ImageDesc not set, try -demuxer mov if this fails. > > QuickTime6.3 DLLs found > > QuickTime.qts patched!!! old entry=0x6693c3e0 > > theQuickTimeDispatcher catched -> 0x6693c3e0 > > WARNING! Invalid Ptr handle! > > theQuickTimeDispatcher catched -> 0x6693c3e0 > > theQuickTimeDispatcher catched -> 0x6693c3e0 > > Movie-Aspect is 1.78:1 - prescaling to correct movie aspect. > > VO: [vdpau] 3840x2160 => 3840x2160 Packed YUY2 > > DecompressSequenceBegin result=-8961 > > VDecoder init failed :( > > Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family > > libavcodec version 61.17.100 (internal) > > Selected video codec: [ffprores] vfm: ffmpeg (FFmpeg Apple ProRes) > > > ========================================================================== > > Clip info: > > COMPATIBLE_BRANDS: qt > > MAJOR_BRAND: qt > > MINOR_VERSION: 512 > > ENCODER: Lavf62.6.103 > > Load subtitles in ./ > > Audio: no sound > > Starting playback... > > Could not find matching colorspace - retrying with -vf scale... > > Opening video filter: [scale] > > Movie-Aspect is 1.78:1 - prescaling to correct movie aspect. > > [swscaler @ 0x57a10180]bicubic scaler, from yuv422p10le to yuv420p using > MMXEXT > > VO: [vdpau] 3840x2160 => 3840x2160 Planar YV12 > > [VD_FFMPEG] DRI failure. > > Movie-Aspect is 1.78:1 - prescaling to correct movie aspect. > > VO: [vdpau] 3840x2160 => 3840x2160 Planar YV12 > > V: 0.0 0/ 0 ??% ??% ??,?% 0 0 > > [VD_FFMPEG] DRI failure. > > V: 0.3 0/ 0 ??% ??% ??,?% 0 0 > > [ASPECT] Warning: No suitable new res found! > > [ASPECT] Warning: No suitable new res found! > > V: 1.9 0/ 0 47% 460% 0.0% 0 0 > > > > Exiting... (Quit) > > > > > > > > I wonder if Terje can replicate those results? Do not forgot to check if > libplacebo was compiled in for your ffmpeg version ... > > It works with combination of two ffmpeg lines: > > > ./ffmpeg -init_hw_device vulkan=vulkan -hwaccel vulkan > -filter_hw_device vulkan -hwaccel_output_format vulkan -i > /dev/shm/Nature072-A006C0035_230328_4U1Q.mov -c:v prores_ks_vulkan > -f matroska -noautoscale -pix_fmt vulkan 4k.mov > > ffmpeg version N-120782-gc12bca52f8 Copyright (c) 2000-2025 the FFmpeg > developers > built with gcc 11.2.0 (GCC) > configuration: --enable-opencl --disable-debug --enable-libx265 > --enable-libx264 --enable-gpl --enable-libplacebo --enable-vulkan > --enable-libshaderc --enable-libzimg --enable-libaom --enable-libdav1d > --enable-libsoxr --enable-libfontconfig --enable-libfreetype > --enable-libfribidi --enable-gnutls --enable-libass --enable-libbluray > --enable-libcdio --enable-frei0r --enable-libgsm --enable-openal > --enable-libopus --enable-librtmp --enable-libsnappy --enable-libspeex > --enable-libssh --enable-libtheora --enable-libtwolame > --enable-libv4l2 --enable-libvidstab --enable-libvorbis > --enable-libvpx --enable-libwebp > libavutil 60. 19.101 / 60. 19.101 > libavcodec 62. 21.100 / 62. 21.100 > libavformat 62. 6.103 / 62. 6.103 > libavdevice 62. 2.100 / 62. 2.100 > libavfilter 11. 10.101 / 11. 10.101 > libswscale 9. 3.100 / 9. 3.100 > libswresample 6. 2.100 / 6. 2.100 > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from > '/dev/shm/Nature072-A006C0035_230328_4U1Q.mov': > Metadata: > major_brand : qt > minor_version : 512 > compatible_brands: qt > creation_time : 2023-04-07T18:41:32.000000Z > encoder : Blackmagic Design DaVinci Resolve Studio > Duration: 00:00:08.00, start: 0.000000, bitrate: 1787424 kb/s > Stream #0:0[0x1]: Video: prores (HQ) (apch / 0x68637061), > yuv422p10le(tv, bt709, progressive), 3840x2160, 1787418 kb/s, SAR 1:1 > DAR 16:9, 60 fps, 60 tbr, 15360 tbn (default) > Metadata: > creation_time : 2023-04-07T18:41:32.000000Z > handler_name : VideoHandler > vendor_id : appl > encoder : Apple ProRes 422 HQ > timecode : 21:22:52:12 > Stream #0:1[0x2](eng): Data: none (tmcd / 0x64636D74), 0 kb/s > Metadata: > creation_time : 2023-04-07T18:41:32.000000Z > handler_name : TimeCodeHandler > timecode : 21:22:52:12 > Stream mapping: > Stream #0:0 -> #0:0 (prores (native) -> prores (prores_ks_vulkan)) > Press [q] to stop, [?] for help > [prores_ks_vulkan @ 0xc9c7400] Autoselected HQ profile to keep best > quality. It can be overridden through -profile option. > Output #0, matroska, to '4k.mov': > Metadata: > major_brand : qt > minor_version : 512 > compatible_brands: qt > encoder : Lavf62.6.103 > Stream #0:0: Video: prores (HQ) (apch / 0x68637061), vulkan(tv, > bt709, progressive), 3840x2160 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, > 60 fps, 1k tbn (default) > Metadata: > encoder : Lavc62.21.100 prores_ks_vulkan > creation_time : 2023-04-07T18:41:32.000000Z > handler_name : VideoHandler > vendor_id : appl > timecode : 21:22:52:12 > [out#0/matroska @ 0xc9cbb80] video:1744362KiB audio:0KiB subtitle:0KiB > other streams:0KiB global headers:0KiB muxing overhead: 0.001087% > frame= 480 fps=5.4 q=-0.0 Lsize= 1744381KiB time=00:00:08.00 > bitrate=1786246.0kbits/s speed=0.0907x elapsed=0:01:28.16 > > testing: > > bash-5.1$ mpv 4k.mov > Video --vid=1 (*) (prores 3840x2160 60 fps) > [ffmpeg/video] prores: Unknown prores profile 0 > [ffmpeg/video] prores: Unknown prores profile 0 > [ffmpeg/video] prores: Unknown prores profile 0 > [ffmpeg/video] prores: Unknown prores profile 0 > [ffmpeg/video] prores: Unknown prores profile 0 > VO: [gpu] 3840x2160 yuv422p10 > V: 00:00:07.967 / 00:00:08.000 (100%) Dropped: 148 > > so, a bit faster than with libplacebo. > > > Patches (git am) for ffmpeg git from > > git://git.videolan.org/ffmpeg.git > > at commit > > commit 413346bd06c33226254dacc829f128a6b6c337d7 (origin/master, > origin/HEAD) > > attached .... > _______________________________________________ > Cin mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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