如何创建截屏动画GIF图像？

#1 楼

sudo apt install peek

sudo add-apt-repository ppa:peek-developers/stable
sudo apt update
sudo apt install peek

#2 楼

sudo apt-get install byzanz

byzanz-record --duration=15 --x=200 --y=300 --width=700 --height=400 out.gif

#3 楼

sudo apt-get install imagemagick mplayer gtk-recordmydesktop

mplayer -ao null <video file name> -vo jpeg:outdir=output

convert output/* output.gif

convert output.gif -fuzz 10% -layers Optimize optimised.gif

#4 楼

 #!/bin/bash

# Delay before starting
DELAY=10

# Sound notification to let one know when recording is about to start (and ends)
beep() {
    paplay /usr/share/sounds/KDE-Im-Irc-Event.ogg &
}

# Duration and output file
if [ $# -gt 0 ]; then
    D="--duration=$@"
else
    echo Default recording duration 10s to /tmp/recorded.gif
    D="--duration=10 /tmp/recorded.gif"
fi
XWININFO=$(xwininfo)
read X <<< $(awk -F: '/Absolute upper-left X/{print }' <<< "$XWININFO")
read Y <<< $(awk -F: '/Absolute upper-left Y/{print }' <<< "$XWININFO")
read W <<< $(awk -F: '/Width/{print }' <<< "$XWININFO")
read H <<< $(awk -F: '/Height/{print }' <<< "$XWININFO")

echo Delaying $DELAY seconds. After that, byzanz will start
for (( i=$DELAY; i>0; --i )) ; do
    echo $i
    sleep 1
done

beep
byzanz-record --verbose --delay=0 --x=$X --y=$Y --width=$W --height=$H $D
beep
 

 #!/bin/bash

# Delay before starting
DELAY=10

# Sound notification to let one know when recording is about to start (and ends)
beep() {
    paplay /usr/share/sounds/KDE-Im-Irc-Event.ogg &
}

# Duration and output file
if [ $# -gt 0 ]; then
    D="--duration=$@"
else
    echo Default recording duration 10s to /tmp/recorded.gif
    D="--duration=10 /tmp/recorded.gif"
fi

# xrectsel from https://github.com/lolilolicon/xrectsel
ARGUMENTS=$(xrectsel "--x=%x --y=%y --width=%w --height=%h") || exit -1

echo Delaying $DELAY seconds. After that, byzanz will start
for (( i=$DELAY; i>0; --i )) ; do
    echo $i
    sleep 1
done
beep
byzanz-record --verbose --delay=0 ${ARGUMENTS} $D
beep
 

 #!/bin/bash

# AUTHOR:   (c) Rob W 2012, modified by MHC (https://askubuntu.com/users/81372/mhc)
# NAME:     GIFRecord 0.1
# DESCRIPTION:  A script to record GIF screencasts.
# LICENSE:  GNU GPL v3 (http://www.gnu.org/licenses/gpl.html)
# DEPENDENCIES:   byzanz,gdialog,notify-send (install via sudo add-apt-repository ppa:fossfreedom/byzanz; sudo apt-get update && sudo apt-get install byzanz gdialog notify-osd)

# Time and date
TIME=$(date +"%Y-%m-%d_%H%M%S")

# Delay before starting
DELAY=10

# Standard screencast folder
FOLDER="$HOME/Pictures"

# Default recording duration
DEFDUR=10

# Sound notification to let one know when recording is about to start (and ends)
beep() {
    paplay /usr/share/sounds/freedesktop/stereo/message-new-instant.oga &
}

# Custom recording duration as set by user
USERDUR=$(gdialog --title "Duration?" --inputbox "Please enter the screencast duration in seconds" 200 100 2>&1)

# Duration and output file
if [ $USERDUR -gt 0 ]; then
    D=$USERDUR
else
    D=$DEFDUR
fi

# Window geometry
XWININFO=$(xwininfo)
read X < <(awk -F: '/Absolute upper-left X/{print }' <<< "$XWININFO")
read Y < <(awk -F: '/Absolute upper-left Y/{print }' <<< "$XWININFO")
read W < <(awk -F: '/Width/{print }' <<< "$XWININFO")
read H < <(awk -F: '/Height/{print }' <<< "$XWININFO")

# Notify the user of recording time and delay
notify-send "GIFRecorder" "Recording duration set to $D seconds. Recording will start in $DELAY seconds."

#Actual recording
sleep $DELAY
beep
byzanz-record -c --verbose --delay=0 --duration=$D --x=$X --y=$Y --width=$W --height=$H "$FOLDER/GIFrecord_$TIME.gif"
beep

# Notify the user of end of recording.
notify-send "GIFRecorder" "Screencast saved to $FOLDER/GIFrecord_$TIME.gif"
 

#5 楼

ffmpeg -i [inputvideo_filename] -pix_fmt rgb24 [output.gif]

ffmpeg -i Untitled_Screencast.webm -r 1 -pix_fmt rgb24 out.gif

ffmpeg -i Untitled_Screencast.webm -fs 5000k -pix_fmt rgb24 out.gif

ffmpeg -i Untitled_Screencast.webm -s 320x200 -pix_fmt rgb24 out.gif

ffmpeg -i Untitled_Screencast.webm -loop_output 0 -pix_fmt rgb24 out.gif

convert output.gif -fuzz 3% -layers Optimize finalgif.gif

ffmpeg -i Untitled_Screencast.webm -loop_output 0 -r 5 -s 320x200 -pix_fmt rgb24 out.gif

convert output.gif -fuzz 8% -layers Optimize finalgif.gif

#6 楼

sudo add-apt-repository ppa:sethj/silentcast  
sudo apt-get update  
sudo apt-get install silentcast  

#7 楼

#8 楼

curl --location https://git.io/record-gif.sh | bash -

#9 楼

#10 楼

#11 楼

#12 楼

 #!/bin/bash

#Records selected screen region, with GUI

#This is combined version of GIF recording scripts, that can be found here: https://askubuntu.com/questions/107726/how-to-create-animated-gif-images-of-a-screencast
#Thanks to Rob W, and the other author (unmentioned), for creating this lovely scripts

#I do not own any rights to code I didn't write
#                                     ~Jacajack

DELAY=5 #Delay before starting
DEFDUR=10 #Default recording duration
TIME=$(date +"%Y-%m-%d_%H%M%S") #Timestamp
FOLDER="$HOME/Pictures/Byzanz" #Default output directory

#Sound notification to let one know when recording is about to start (and ends)
beep() {
    paplay /usr/share/sounds/freedesktop/stereo/message-new-instant.oga &
}

#Custom recording duration as set by user
USERDUR=$(gdialog --title "Duration?" --inputbox "Please enter the screencast duration in seconds" 200 100 2>&1)

#Duration and output file
if [ $USERDUR -gt 0 ]; then
    D=$USERDUR
else
    D=$DEFDUR
fi

#Get coordinates using xrectsel from https://github.com/lolilolicon/xrectsel
REGION=$(xrectsel "--x=%x --y=%y --width=%w --height=%h") || exit -1

notify-send "GIFRecorder" "Recording duration set to $D seconds. Recording will start in $DELAY seconds."

for (( i=$DELAY; i>0; --i )) ; do
    sleep 1
done

#Record
beep
byzanz-record --cursor --verbose --delay=0 ${REGION} --duration=$D "$FOLDER/byzanz-record-region-$TIME.gif"
beep

notify-send "GIFRecorder" "Screencast saved to $FOLDER/byzanz-record-region-$TIME.gif"
 

#13 楼

#14 楼

gtk-recordmydesktop

INPUT_FILE=
FPS=15
WIDTH=320
TEMP_FILE_PATH="~/tmp.png"
ffmpeg -i $INPUT_FILE -vf fps=$FPS,scale=$WIDTH:-1:flags=lanczos,palettegen $TEMP_FILE_PATH
ffmpeg -i $INPUT_FILE -i $TEMP_FILE_PATH -loop 0 -filter_complex "fps=$FPS,scale=$WIDTH:-1:flags=lanczos[x];[x][1:v]paletteuse" $INPUT_FILE.gif
rm $TEMP_FILE_PATH

./ogv2gif.sh yourscreencast.ogv

#15 楼

#16 楼