http://192.168.180.206:8001/ 2026-05-13T08:03:15+00:00 http://192.168.180.206:8001/ http://192.168.180.206:8001/_media/wiki:dokuwiki.svg text/html 2018-11-27T07:32:14+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:audio?rev=1543303934&do=diff Quality offered by codecs libopus > libvorbis >= libfdk_aac > aac > libmp3lame >= eac3/ac3 > libtwolame > vorbis > mp2 > wmav2/wmav1 Opus ffmpeg -i input -acodec libopus -b:a 32k -vbr on -compression_level 10 output text/html 2016-03-29T10:30:21+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:camera?rev=1459247421&do=diff sudo apt-get install guvcview luvcview uvccapture text/html 2016-03-29T10:46:58+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:gstreamer?rev=1459248418&do=diff <https://gstreamer.freedesktop.org/data/doc/gstreamer/head/faq/html/chapter-using.html> gst-inspect-1.0 | grep sink Audio gst-launch-1.0 audiotestsrc ! audioconvert ! audioresample ! alsasink gst-launch-1.0 filesrc location=Peter_Gunn_Theme.mp3 ! decodebin ! audioconvert ! alsasink gst-launch-1.0 filesrc location=Peter_Gunn_Theme.mp3 ! mad ! audioconvert ! alsasink text/html 2024-02-27T09:07:23+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:images?rev=1709024843&do=diff Convert to JPG mogrify -format jpg *.bmp Convert images to PDF convert pages_*.png final.pdf convert pages_*.png -resize 50% -compress jpeg -quality 75 final.pdf merge PDFs pdfunite in-1.pdf in-2.pdf in-n.pdf out.pdf Process PDF pages convert -density 300 scanned.pdf output-%02d.png convert output*.png -normalize -threshold 80% normal.png # or convert output*.png +dither -colors 2 -colorspace Gray -normalize normal.png # or convert output*.png -monochrome normal.png # <-- this product … text/html 2021-02-07T10:21:57+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:movie?rev=1612693317&do=diff Movie Extract frames * Extract keyframes * -hide_banner we are using this parameter to hide ffmpeg compilation information * -vsync vfr: This is a parameter that tells the filter to use a variable bitrate video synchronization. If we do not use this parameter ffmpeg will fail to find only the keyframes and shoud extract other frames that can be not processed correctly. text/html 2017-03-31T06:38:29+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:mp3_flac?rev=1490942309&do=diff Split FLAC CUE shnsplit -f *.cue -t "%n - %p - %t" -o "flac flac -s -8 -o %f -" *.flac cuetag *.cue *.flac text/html 2026-02-02T07:25:14+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/linux:multimedia:pdf?rev=1770017114&do=diff PDF Software * xournal - add notes on PDF documents remove all metadata mat2 -L --inplace <file.pdf> remove password sudo apt install qpdf qpdf --password-file=- --decrypt encrypted.pdf decrypted.pdf attempt to perform an operation not allowed by the security policy