[FFmpeg-trac] #10265(avfilter:new): Chroma goes wrong when using untile and tile filters from 4:2:2 pixel format
FFmpeg
trac at avcodec.org
Thu Mar 16 12:25:16 EET 2023
#10265: Chroma goes wrong when using untile and tile filters from 4:2:2 pixel
format
----------------------------------+--------------------------------------
Reporter: nicol | Type: defect
Status: new | Priority: normal
Component: avfilter | Version: git-master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
----------------------------------+--------------------------------------
Summary of the bug: Chroma of 4:2:2 pixel format goes wrong regardless of
bit depth, while 4:2:0 and 4:4:4 pixel formats are normal.
How to reproduce:
{{{
Make a test video.
% ffmpeg -f lavfi -i smptehdbars=d=5:s=1920x1080,format=yuv422p foo.mp4 -y
Use untile,tile filters.
% ffmpeg -i foo.mp4 -vf untile=2x2,tile=2x2 bar.mp4 -y
ffmpeg version N-110014-ga6e9d01f88-20230315 Copyright (c) 2000-2023 the
FFmpeg developers
built with gcc 12.2.0 (crosstool-NG 1.25.0.90_cf9beb1)
configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static
--pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64
--target-os=mingw32 --enable-gpl --enable-version3 --disable-debug
--disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2
--enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp
--enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl
--disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib
--enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth
--enable-chromaprint --enable-libdav1d --enable-libdavs2 --disable-libfdk-
aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme
--enable-libkvazaar --enable-libass --enable-libbluray --enable-libjxl
--enable-libmp3lame --enable-libopus --enable-librist --enable-libssh
--enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2
--disable-libmfx --enable-libvpl --enable-openal --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg
--enable-libopenmpt --enable-librav1e --enable-librubberband --enable-
schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1
--enable-libtwolame --enable-libuavs3d --disable-libdrm --disable-vaapi
--enable-libvidstab --enable-vulkan --enable-libshaderc --enable-
libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
libxvid --enable-libzimg --enable-libzvbi --extra-
cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread
--extra-ldexeflags= --extra-libs=-lgomp --extra-version=20230315
libavutil 58. 3.100 / 58. 3.100
libavcodec 60. 6.101 / 60. 6.101
libavformat 60. 4.100 / 60. 4.100
libavdevice 60. 2.100 / 60. 2.100
libavfilter 9. 4.100 / 9. 4.100
libswscale 7. 2.100 / 7. 2.100
libswresample 4. 11.100 / 4. 11.100
libpostproc 57. 2.100 / 57. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'foo.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf60.4.100
Duration: 00:00:05.00, start: 0.000000, bitrate: 24 kb/s
Stream #0:0[0x1](und): Video: h264 (High 4:2:2) (avc1 / 0x31637661),
yuv422p(tv, bt709/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR
16:9], 20 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
encoder : Lavc60.6.101 libx264
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 000002586427b1c0] using SAR=1/1
[libx264 @ 000002586427b1c0] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000002586427b1c0] profile High 4:2:2, level 4.0, 4:2:2, 8-bit
[libx264 @ 000002586427b1c0] 264 - core 164 - H.264/MPEG-4 AVC codec -
Copyleft 2003-2023 - http://www.videolan.org/x264.html - options: cabac=1
ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'bar.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf60.4.100
Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv422p(tv,
bt709/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 : Lavc60.6.101 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame= 125 fps=108 q=-1.0 Lsize= 16kB time=00:00:04.88 bitrate=
26.2kbits/s speed=4.22x
video:13kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 17.533136%
[libx264 @ 000002586427b1c0] frame I:1 Avg QP:10.16 size: 2344
[libx264 @ 000002586427b1c0] frame P:31 Avg QP:12.68 size: 107
[libx264 @ 000002586427b1c0] frame B:93 Avg QP:12.67 size: 78
[libx264 @ 000002586427b1c0] consecutive B-frames: 0.8% 0.0% 0.0% 99.2%
[libx264 @ 000002586427b1c0] mb I I16..4: 96.4% 1.6% 2.0%
[libx264 @ 000002586427b1c0] mb P I16..4: 0.0% 0.1% 0.0% P16..4:
0.0% 0.0% 0.0% 0.0% 0.0% skip:99.8%
[libx264 @ 000002586427b1c0] mb B I16..4: 0.0% 0.0% 0.0% B16..8:
0.2% 0.0% 0.0% direct: 0.0% skip:99.8% L0:99.5% L1: 0.5% BI: 0.0%
[libx264 @ 000002586427b1c0] 8x8 transform intra:5.5%
[libx264 @ 000002586427b1c0] coded y,uvDC,uvAC intra: 0.8% 1.5% 0.5%
inter: 0.0% 0.0% 0.0%
[libx264 @ 000002586427b1c0] i16 v,h,dc,p: 94% 4% 1% 0%
[libx264 @ 000002586427b1c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 1% 70% 29%
0% 0% 0% 0% 0% 0%
[libx264 @ 000002586427b1c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 41% 37% 22%
0% 0% 0% 0% 0% 0%
[libx264 @ 000002586427b1c0] i8c dc,h,v,p: 87% 4% 10% 0%
[libx264 @ 000002586427b1c0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 000002586427b1c0] ref P L0: 98.9% 0.0% 1.1%
[libx264 @ 000002586427b1c0] ref B L0: 2.2% 97.8%
[libx264 @ 000002586427b1c0] kb/s:20.65
ffmpeg version N-110014-ga6e9d01f88-20230315
built on ... btbn windows build
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10265>
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