what about using ffmpeg to grab a single frame from the video using -ss to specify the time index?
grab 1 frame at 1 minute into the video ffmpeg -ss 00:01:00.000 -i input.m2ts -vframes 1 -f image2 screenshot.png > On Oct 20, 2018, at 8:47 56AM, Kleber Duarte <[email protected]> wrote: > > Hi, could someone give a tip to improve the quality of screenshots taken from > UHD HEVC files of seedbox running rtorrent/rutorrent installed on Ubuntu > Server Armhf 16.04 "Xenial Xerus" (32bits) OS? Many screenshots are shown > without any image definition. I don´t have problem with the screenshots of > FHD videos. I don´t know if is necessary any adjust in the lines codes of > plugins, or if exist a best way to take screenshots through the terminal SSH? > > I verified that the problem occur with .m2ts UHD files. I tested the > screenshot plugin with .mkv UHD files and I didn´t have problems. > > I am running the screenshot plugin from rutorrent gui. So, I don´t have any > command or log. > > $ ffmpeg -version > ffmpeg version 2.8.6-1ubuntu2 Copyright (c) 2000-2016 the FFmpeg developers > built with gcc 5.3.1 (Ubuntu/Linaro 5.3.1-11ubuntu1) 20160311 > configuration: --prefix=/usr --extra-version=1ubuntu2 --build-suffix=-ffmpeg > --toolchain=hardened --libdir=/usr/lib/arm-linux-gnueabihf > --incdir=/usr/include/arm-linux-gnueabihf --cc=cc --cxx=g++ --enable-gpl > --enable-shared --disable-stripping --disable-decoder=libopenjpeg > --disable-decoder=libschroedinger --enable-avresample --enable-avisynth > --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray > --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite > --enable-libfontconfig --enable-libfreetype --enable-libfribidi > --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame > --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp > --enable-libschroedinger --enable-libshine --enable-libsnappy > --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora > --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack > --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi > --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 > --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 > --enable-libopencv > libavutil 54. 31.100 / 54. 31.100 > libavcodec 56. 60.100 / 56. 60.100 > libavformat 56. 40.101 / 56. 40.101 > libavdevice 56. 4.100 / 56. 4.100 > libavfilter 5. 40.101 / 5. 40.101 > libavresample 2. 1. 0 / 2. 1. 0 > libswscale 3. 1.101 / 3. 1.101 > libswresample 1. 2.101 / 1. 2.101 > libpostproc 53. 3.100 / 53. 3.100 > > [cid:447a8209-bbdc-4ea6-af6f-03a8f590da73] > [cid:46e34f24-9531-4703-9358-66d538380508] > <image.png><image.png>_______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
