[FFmpeg-trac] #8459(avfilter:open): V360 + BLEND
FFmpeg
trac at avcodec.org
Sat Feb 22 21:38:20 EET 2020
#8459: V360 + BLEND
-------------------------------------+------------------------------------
Reporter: villmer | Owner: villmer
Type: enhancement | Status: open
Priority: wish | Component: avfilter
Version: git-master | Resolution:
Keywords: v360 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+------------------------------------
Comment (by villmer):
Conversion failed:
ffmpeg -i equi_frame.png -vf
geq=cb_expr='cb(X,Y)':cr_expr='cr(X,Y)':lum_expr='if(between(X,229,249),lum(X,Y)+lerp((X-229)/20,0,lum(249,Y)-lum(250,Y)),lum(X,Y))',format=rgb24
-y out.png
ffmpeg version git-2020-01-04-3c8da7b Copyright (c) 2000-2020 the FFmpeg
developers
built with Apple clang version 11.0.0 (clang-1100.0.33.16)
configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD-3c8da7b --enable-
shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang
--host-
cflags='-I/System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/
-fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls
--enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame
--enable-libopus --enable-librubberband --enable-libsnappy --enable-
libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis
--enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid
--enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r
--enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr
--enable-videotoolbox --disable-libjack --disable-indev=jack
libavutil 56. 38.100 / 56. 38.100
libavcodec 58. 65.102 / 58. 65.102
libavformat 58. 35.101 / 58. 35.101
libavdevice 58. 9.103 / 58. 9.103
libavfilter 7. 70.101 / 7. 70.101
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
Input #0, image2, from 'equi_frame.png':
Duration: 00:00:00.04, start: 0.000000, bitrate: 17496 kb/s
Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc,
bt470bg/unknown/unknown), 1000x499 [SAR 1:1 DAR 1000:499], 25 tbr, 25 tbn,
25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> png (native))
Press [q] to stop, [?] for help
[Parsed_geq_0 @ 0x7fc72d700940] A luminance or RGB expression is mandatory
[AVFilterGraph @ 0x7fc72d5029c0] Error initializing filter 'geq' with args
'cb_expr=cb(X'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0
Conversion failed!
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8459#comment:6>
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