[FFmpeg-user] x265 encoded with yuvj444p plays back as yuvj420p
Ferdi Scholten
ferdi at sttc-nlp.nl
Thu Feb 3 23:39:48 EET 2022
On Fri, 4 Feb 2022 at 08:23, Ferdi Scholten <ferdi at sttc-nlp.nl> wrote:
>> You are encoding with the main profile. That only supports 4:2:0 chroma
>> sampling. Use another profile.
> I tried with -profile:v main444, and it results in the same problem
> (full command below): https://0x0.st/oHna.mkv
> Is there another profile I should be using?
>
> And regardless of what profile I chose, shouldn't ffmpeg be
> downsampling the chroma channels if 4:4:4 isn't supported instead of
> just outputting garbage?
>
> $ ffmpeg -i oHn-.mkv -codec:v libx265 -profile:v main444-8 -preset
> fast -crf 22 -codec:a copy a.mkv
> ffmpeg version 4.4.1-3 Copyright (c) 2000-2021 the FFmpeg developers
> built with gcc 11 (Debian 11.2.0-14)
> configuration: --prefix=/usr --extra-version=3 --toolchain=hardened
> --libdir=/usr/lib/x86_64-linux-gnu
> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libcodec2 --enable-libdav1d
> --enable-libflite --enable-libfontconfig --enable-libfreetype
> --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack
> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg
> --enable-libopenmpt --enable-libopus --enable-libpulse
> --enable-librabbitmq --enable-librubberband --enable-libshine
> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt
> --enable-libssh --enable-libtheora --enable-libtwolame
> --enable-libvidstab --enable-libvorbis --enable-libvpx
> --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
> --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2
> --enable-omx --enable-openal --enable-opencl --enable-opengl
> --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx
> --enable-libdc1394 --enable-libdrm --enable-libiec61883
> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
> WARNING: library configuration mismatch
> avcodec configuration: --prefix=/usr --extra-version=3
> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libcodec2 --enable-libdav1d
> --enable-libflite --enable-libfontconfig --enable-libfreetype
> --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack
> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg
> --enable-libopenmpt --enable-libopus --enable-libpulse
> --enable-librabbitmq --enable-librubberband --enable-libshine
> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt
> --enable-libssh --enable-libtheora --enable-libtwolame
> --enable-libvidstab --enable-libvorbis --enable-libvpx
> --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
> --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2
> --enable-omx --enable-openal --enable-opencl --enable-opengl
> --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx
> --enable-libdc1394 --enable-libdrm --enable-libiec61883
> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
> --enable-version3 --disable-doc --disable-programs --enable-libaribb24
> --enable-libopencore_amrnb --enable-libopencore_amrwb
> --enable-libtesseract --enable-libvo_amrwbenc --enable-libsmbclient
> libavutil 56. 70.100 / 56. 70.100
> libavcodec 58.134.100 / 58.134.100
> libavformat 58. 76.100 / 58. 76.100
> libavdevice 58. 13.100 / 58. 13.100
> libavfilter 7.110.100 / 7.110.100
> libswscale 5. 9.100 / 5. 9.100
> libswresample 3. 9.100 / 3. 9.100
> libpostproc 55. 9.100 / 55. 9.100
> Input #0, matroska,webm, from 'oHn-.mkv':
> Metadata:
> ENCODER : Lavf58.76.100
> Duration: 00:00:02.02, start: 0.000000, bitrate: 1908 kb/s
> Stream #0:0: Video: h264 (High 4:4:4 Predictive), yuvj444p(pc,
> bt709/bt709/iec61966-2-1, progressive), 2560x1440 [SAR 1:1 DAR 16:9],
> 60 fps, 60 tbr, 1k tbn, 120 tbc (default)
> Metadata:
> DURATION : 00:00:02.017000000
> Stream #0:1: Audio: aac (LC), 48000 Hz, 5.1, fltp (default)
> Metadata:
> title : Track1
> DURATION : 00:00:02.005000000
> File 'a.mkv' already exists. Overwrite? [y/N] y
> Stream mapping:
> Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
> Stream #0:1 -> #0:1 (copy)
> Press [q] to stop, [?] for help
> x265 [info]: HEVC encoder version 3.5+1-f0c1022b6
> x265 [info]: build info [Linux][GCC 10.3.0][64 bit] 8bit+10bit+12bit
> x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2
> AVX FMA3 BMI2 AVX2
> x265 [info]: Main profile, Level-5 (Main tier)
> x265 [info]: Thread pool 0 using 48 threads on numa nodes 0,1,2,3
> x265 [info]: Slices : 1
> x265 [info]: frame threads / pool features : 5 / wpp(23 rows)
> libnuma: Warning: node 0 not allowed
> 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 / 2
> x265 [info]: Keyframe min / max / scenecut / bias : 25 / 250 / 40 / 5.00
> x265 [info]: Lookahead / bframes / badapt : 15 / 4 / 0
> x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0
> x265 [info]: References / ref-limit cu / depth : 3 / on / on
> x265 [info]: AQ: mode / str / qg-size / cu-tree : 2 / 1.0 / 32 / 1
> x265 [info]: Rate Control / qCompress : CRF-22.0 / 0.60
> x265 [info]: tools: rd=2 psy-rd=2.00 rskip mode=1 signhide tmvp fast-intra
> x265 [info]: tools: strong-intra-smoothing lslices=8 deblock sao
> Output #0, matroska, to 'a.mkv':
> Metadata:
> encoder : Lavf58.76.100
> Stream #0:0: Video: hevc, yuvj444p(pc, bt709/bt709/iec61966-2-1,
> progressive), 2560x1440 [SAR 1:1 DAR 16:9], q=2-31, 60 fps, 1k tbn
> (default)
> Metadata:
> DURATION : 00:00:02.017000000
> encoder : Lavc58.134.100 libx265
> Side data:
> cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
> Stream #0:1: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz,
> 5.1, fltp (default)
> Metadata:
> title : Track1
> DURATION : 00:00:02.005000000
> frame= 121 fps=109 q=32.9 Lsize= 144kB time=00:00:02.00 bitrate=
> 587.2kbits/s speed= 1.8x
> video:137kB audio:2kB subtitle:0kB other streams:0kB global
> headers:2kB muxing overhead: 3.229585%
> x265 [info]: frame I: 1, Avg QP:25.28 kb/s: 52256.64
> x265 [info]: frame P: 24, Avg QP:29.55 kb/s: 172.86
> x265 [info]: frame B: 96, Avg QP:32.69 kb/s: 113.78
> x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
> x265 [info]: consecutive B-frames: 4.0% 0.0% 0.0% 0.0% 96.0%
>
> encoded 121 frames in 1.05s (114.80 fps), 556.44 kb/s, Avg QP:32.00
>
>
>
> $ ffplay a.mkv
> ffplay version 4.4.1-3 Copyright (c) 2003-2021 the FFmpeg developers
> built with gcc 11 (Debian 11.2.0-14)
> configuration: --prefix=/usr --extra-version=3 --toolchain=hardened
> --libdir=/usr/lib/x86_64-linux-gnu
> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libcodec2 --enable-libdav1d
> --enable-libflite --enable-libfontconfig --enable-libfreetype
> --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack
> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg
> --enable-libopenmpt --enable-libopus --enable-libpulse
> --enable-librabbitmq --enable-librubberband --enable-libshine
> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt
> --enable-libssh --enable-libtheora --enable-libtwolame
> --enable-libvidstab --enable-libvorbis --enable-libvpx
> --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
> --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2
> --enable-omx --enable-openal --enable-opencl --enable-opengl
> --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx
> --enable-libdc1394 --enable-libdrm --enable-libiec61883
> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
> WARNING: library configuration mismatch
> avcodec configuration: --prefix=/usr --extra-version=3
> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libcodec2 --enable-libdav1d
> --enable-libflite --enable-libfontconfig --enable-libfreetype
> --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack
> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg
> --enable-libopenmpt --enable-libopus --enable-libpulse
> --enable-librabbitmq --enable-librubberband --enable-libshine
> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt
> --enable-libssh --enable-libtheora --enable-libtwolame
> --enable-libvidstab --enable-libvorbis --enable-libvpx
> --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid
> --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2
> --enable-omx --enable-openal --enable-opencl --enable-opengl
> --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx
> --enable-libdc1394 --enable-libdrm --enable-libiec61883
> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
> --enable-version3 --disable-doc --disable-programs --enable-libaribb24
> --enable-libopencore_amrnb --enable-libopencore_amrwb
> --enable-libtesseract --enable-libvo_amrwbenc --enable-libsmbclient
> libavutil 56. 70.100 / 56. 70.100
> libavcodec 58.134.100 / 58.134.100
> libavformat 58. 76.100 / 58. 76.100
> libavdevice 58. 13.100 / 58. 13.100
> libavfilter 7.110.100 / 7.110.100
> libswscale 5. 9.100 / 5. 9.100
> libswresample 3. 9.100 / 3. 9.100
> libpostproc 55. 9.100 / 55. 9.100
> Input #0, matroska,webm, from 'a.mkv': vq= 0KB sq= 0B f=0/0
> Metadata:
> ENCODER : Lavf58.76.100
> Duration: 00:00:02.03, start: 0.000000, bitrate: 581 kb/s
> Stream #0:0: Video: hevc (Main), yuvj420p(pc,
> bt709/bt709/iec61966-2-1, progressive), 2560x1440 [SAR 1:1 DAR 16:9],
> 60 fps, 60 tbr, 1k tbn, 60 tbc (default)
> Metadata:
> ENCODER : Lavc58.134.100 libx265
> DURATION : 00:00:02.017000000
> Stream #0:1: Audio: aac (LC), 48000 Hz, 5.1, fltp (default)
> Metadata:
> title : Track1
> DURATION : 00:00:02.026000000
> [swscaler @ 0x7fa6bdf2fcc0] deprecated pixel format used, make sure
> you did set range correctly
> 4.55 A-V: -0.021 fd= 6 aq= 0KB vq= 0KB sq= 0B f=0/0
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Ffmpeg is just a wrapper around libx265, it assumes you have set the
correct encoding parameters of the library. add -profile main444 to your
commandline so libx265 knows what to do.
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