[FFmpeg-trac] #9490(undetermined:new): blur and sharpen
FFmpeg
trac at avcodec.org
Sun Oct 31 00:29:29 EEST 2021
#9490: blur and sharpen
-------------------------------------+-------------------------------------
Reporter: jsteinkamp | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
Smartblur and unsharp create a corrupted tif file.
In addition, Smartblur and unsharp lose the alpha layer for PNG format
files.
How to reproduce:
TIF with alpha channel and without alpha channel
ffmpeg -y -i file.tif -vf smartblur file_sharper.tif
ffmpeg -y -i file.tif -vf unsharp file_sharper.tif
PNG with alpha layer
ffmpeg -y -i file.png -vf smartblur file_sharper.png
ffmpeg -y -i file.png -vf unsharp file_sharper.png
ffmpeg version N-104454-gd92fdc7144-20211030
built on built with gcc 10-win32 (GCC) 20210610
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
--enable-shared --disable-static --disable-w32threads --enable-pthreads
--enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype
--enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig
--enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan
--disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-
avisynth --enable-libdav1d --enable-libdavs2 --disable-libfdk-aac
--enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libglslang
--enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame
--enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp
--enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-
libopencore-amrwb --enable-libopenjpeg --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-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=20211030
libavutil 57. 7.100 / 57. 7.100
libavcodec 59. 12.100 / 59. 12.100
libavformat 59. 8.100 / 59. 8.100
libavdevice 59. 0.101 / 59. 0.101
libavfilter 8. 16.100 / 8. 16.100
libswscale 6. 1.100 / 6. 1.100
libswresample 4. 0.100 / 4. 0.100
libpostproc 56. 0.100 / 56. 0.100
Input #0, png_pipe, from 'file.png':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: png, rgba(pc), 128x128 [SAR 2835:2835 DAR 1:1], 25
fps, 25 tbr, 25 tbn
Stream mapping:
Stream #0:0 -> #0:0 (png (native) -> png (native))
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9490>
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