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Schlagwort: ffmpeg

Create a video clip from a set of images using ffmpeg

imagine your image folder looks like this:

rephlex@hera:[~/Schreibtisch/gna]: ls -1 * | head
G0037679.JPG
G0037680.JPG
G0037681.JPG
G0037682.JPG
G0037683.JPG
G0037684.JPG
G0037685.JPG
G0037686.JPG
G0037687.JPG
G0037688.JPG

[…]

This is the command you're looking for:

ffmpeg -framerate 25 -start_number 37679 -i G00%05d.JPG -c:v libx264 -profile:v high -crf 20 -pix_fmt yuv420p output.mp4

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Mit Linux und ffmpeg zu Youtube streamen

VBR="3500k" # bitrate
FPS="30" # framerate
KEYFRAMEINT="40" # keyframe interval
QUAL="medium" # ffpmeg quality preset
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # youtube rtmp url
KEY="XXXX-XXXX-XXXX-XXXX"

sudo modprobe snd_aloop
alsactl restore
while true
do

ffmpeg -err_detect explode -thread_queue_size 16384 \
-f alsa -ac 2 -i pulse \
-f v4l2 -video_size 864×480 -thread_queue_size 16384 -i /dev/video1 -deinterlace \
\
-vcodec libx264 -pix_fmt yuv420p -preset $QUAL -r $FPS -g $KEYFRAMEINT -b:v $VBR \
-acodec libmp3lame -ar 44100 -threads 6 -qscale 3 -b:a 712000 -bufsize 512k \
-f flv "$YOUTUBE_URL/$KEY"

sleep 5
done

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