This filter only works is there is no alpha channel Mapping colour percentages of an imageĮg, to work out percentage of foamboard sheet used for a model.Ĭonvert image.jpg -format %c histogram:info:- | sort -nrĬonvert image.jpg -colorspace RGB -format %c histogram:info:- | sort -nr Sudo systemctl set-default multi-user.target To mount external usb hard disk at boot when booting to commandlinr mode only, Mint 20.1 edit /etc/netplan/1-network-manager-all.yaml as follows-įor the video stream select a different format (ie, not "Copy"). Mint 20.x uses netplan, so the old method of editing /etc/network/interfacesġ. ( first remove blank lines from the file using # Apple devices won't play the audio if it is not in aac format.įfmpeg -i spot-video-only.mp4 -i spot-lownoise-normalised.mp3 -shortest -c:v copy -c:a libvo_aacenc -b:a 256k Spot\'s_sad_and_happy_day_aac.mp4įormat a text file with 4 fields on separate line into a 4 column tableĮ.g. # and merge video and audio streams, transcoding the audio to "aac" format. Mv spot-lownoise.mp3 spot-lownoise-normalised.mp3įfmpeg -i Spot\'s_sad_and_happy_day.mp4 -codec copy -an spot-video-only.mp4 # used normalize-mp3 to make the sound loud enough # used Audacity to reduce the noise, which was constant background "white noise" # made a copy, in case I need to check the original audio later.Ĭp Spot\'s_sad_and_happy_day.mp3 spot.mp3 Here's what I did to make it acceptable.įfmpeg -i Spot\'s_sad_and_happy_day.mp4 Spot\'s_sad_and_happy_day.mp3 Sound had noise and the voice was too quiet. I found this superior to posterazor which required trimming of the pages and lacked alignmenbt cues.Ī friend sent me a video made on an iPad. ![]() When printed the 8 pages can be taped edge to edge (no overlap or trimming needed) to make the full-size plan/poster. p 30x20inch means a 30x20 inch size plan/posterįish-fuse-30x20inch.pdf is the 8-A4 page output file. m A4 means use A4 size paper in the printer Pdfposter -m A4 -p 30x20inch the_fish_v2.pdf fish-fuse-30x20inch.pdf I wanted to print a free model plane plan, sized at 20x30 inches. Printing a large plan or poster when you only have a home printer (eg, A4 paper) ![]() Merging 2 videos even with different codec and format settingsįfmpeg -i who-is-best-1.mp4 -i out.mp4 -filter_complex " concat=n=2:v=1:a=1 " -map "" -map "" merged-video.mp4 Weex gets segmentation fault, core dumped, on Mint 20.1Ĭreating a video with a single slide and some audioįfmpeg -loop 1 -i who-is-best-1280x720.png -i who-is-2-audio-a.mp3 -c:v h264 -tune stillimage -c:a aac -b:a 192k -pix_fmt yuv420p -shortest out.mp4 I removed 2 snap apps I had plus the snapd support stuff and it is now fine again. VIDEOSPEEDUP=`echo "scale=4 1 / $SPEEDUP" | bc`įfmpeg -i $VID -filter_complex "setpts=0.85*PTS atempo=1.1765" -map "" -map "" $NEWVIDįor colour in black white yellow red brown do cp 2faces.jpg 2faces-$colour.jpg doneĪpple iMac 24 inch 2008, 6GB ram, 1TB disk ![]() ![]() # also shrinks the video, which is always good!Įcho Usage: speedup-video.sh videofile speedupĮcho where speedup is, eg, 110 for 10% faster The echo commands cause "junk" characters to interfere with the arguments given to scp or rsync. Solution was to remove all echo commands from both the. That's it, you will be able to view the minimized windows :) Right click on panel - select add to panel - scroll down and chose windows list all file minimize - will show on panel. How do I get my minimized window back in Linux? Lost minimised windows in Linux Mint Mate Replaces frames from the beginning to 138 seconds with the image. Hope they help you tooįfmpeg -i 10_July_2022,_An_Ancient_Atheism,_James_Stone.mp4 -i an_ancient_atheism.jpg -filter_complex "scale2ref overlay=enable='between(t,0,138)'" -c:a copy out.mp4
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