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Concatenate Videos and Images using ffmpeg
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| #!/usr/bin/env bash | |
| # | |
| # img2vid | |
| # ======= | |
| # | |
| # Convert an image into three second video | |
| # | |
| # Usage: ./img2vid photo.jpg video.mp4 | |
| # | |
| # get args | |
| input=$1 | |
| output=$2 | |
| # create a tmpfile | |
| # TODO: use a different filename each time | |
| tmpdir=/tmp/img2vid/ | |
| rm -rf $tmpdir | |
| mkdir -p $tmpdir | |
| # length of video in seconds | |
| length=3 | |
| # create a video file from the image | |
| ffmpeg -r 30 -framerate 1/$length -i $input $tmpdir/1.mp4 | |
| # add some silence for that professional touch | |
| ffmpeg -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=44100 -i $tmpdir/1.mp4 -shortest -c:v copy -c:a aac $tmpdir/2.mp4 | |
| # converts the audio to something sensible | |
| ffmpeg -i $tmpdir/2.mp4 -f lavfi -i aevalsrc=0 -shortest -c:v libx264 -profile:v baseline -crf 23 -c:a aac -strict experimental -vf scale=360:640 $output |
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| #!/usr/bin/env bash | |
| # | |
| # storytime | |
| # ========= | |
| # | |
| # Concatenate a folder of images and videos into a single video | |
| # | |
| # Usage: ./storytime mydir | |
| # | |
| # get args | |
| srcdir=$1 | |
| # create tmpdir | |
| tmpdir=/tmp/storytime | |
| rm -rf $tmpdir | |
| mkdir -p $tmpdir | |
| # go through each file in the srcdir | |
| for file in $srcdir/*; do | |
| if [ ${file: -5} == ".jpeg" ]; then | |
| # convert images to videos | |
| ./img2vid $file "$tmpdir/$(basename $file .jpeg).mp4" | |
| else | |
| # copy videos to tmpdir | |
| cp $file $tmpdir/$(basename $file) | |
| fi | |
| done | |
| # concat all files in tmpdir | |
| ./vidcat $tmpdir/* |
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| #!/usr/bin/env bash | |
| # | |
| # vidcat | |
| # ====== | |
| # | |
| # Concatenate a list of videos into a single video. | |
| # The final video will be called 'output.mp4' | |
| # | |
| # Usage: ./vidcat one.mp4 two.mp4 | |
| # | |
| # remove the last video | |
| rm -rf output.mp4 | |
| # create tmp dir to work with | |
| tmpdir=/tmp/vidcat | |
| rm -rf $tmpdir | |
| mkdir -p $tmpdir | |
| # resize all videos and convert them to mpeg | |
| for file in $@; do | |
| out="$tmpdir/$(basename $file .mp4).mpg" | |
| # convert to mpg so we can concat it | |
| ffmpeg -i $file -qscale 0 $out | |
| done | |
| # concat videos and convert to a chrome friendly mp4 | |
| cat $tmpdir/*.mpg | ffmpeg -f mpeg -i - -y -strict experimental -acodec aac -ac 2 -ab 160k -vcodec libx264 -s 360:640 -pix_fmt yuv420p -profile:v baseline -level 30 -maxrate 10000000 -bufsize 10000000 -b 1200k -f mp4 -threads 0 output.mp4 |
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