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Giffify - easily create optimised GIFs from a video
#!/usr/bin/python
# License for any modification to the original (linked below):
# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# Sebastiano Poggi and Daniele Conti wrote this file. As long as you retain
# this notice you can do whatever you want with this stuff. If we meet some day,
# and you think this stuff is worth it, you can buy us a beer in return.
import argparse, sys, subprocess, tempfile
from os.path import splitext
from distutils.spawn import find_executable
def look_for_ffmpeg_or_abort():
ffmpeg_path = find_executable('ffmpeg')
if ffmpeg_path == None:
print "** ComputerSaysNoError **"
print "You need to have ffmpeg installed on your system and on the path for Giffify to work"
exit(1)
def parse_cli_arguments():
parser = argparse.ArgumentParser(description='Processes a video into a gif.')
parser.add_argument('video', type=str, help='The video to be processed')
parser.add_argument('-r', '--rotate', dest='rotate', action='store_true', help='Rotate output 270 degrees clockwise (useful for Genymotion)')
parser.add_argument('-o', '--outfile', type=str, help='Target path')
parser.add_argument('-dw', '--desired-width', type=int, default=-1)
parser.add_argument('-dh', '--desired-height', type=int, default=-1)
parser.add_argument('-fps', type=int, default=15, help='Output frames per second. Default: 15 fps')
parser.add_argument('-s', '--start-time', type=int, default=-1, help='Start timestamp, as [-][HH:]MM:SS[.m...] or [-]S+[.m...]')
parser.add_argument('-e', '--end-time', type=int, default=-1, help='End timestamp, as [-][HH:]MM:SS[.m...] or [-]S+[.m...]. Overridden by -d')
parser.add_argument('-d', '--duration', type=int, default=-1, help='Duration, as [-][HH:]MM:SS[.m...] or [-]S+[.m...]. Overrides -e')
return parser.parse_args()
def gif_path(path):
return splitext(path)[0] + '.gif'
def get_palette_path():
try:
palette_file = tempfile.NamedTemporaryFile()
return palette_file.name + '.png'
finally:
palette_file.close()
def insert_before_output_path(args, elements):
index = args.index('-y')
return args[:index] + elements + args[index:]
look_for_ffmpeg_or_abort()
args = parse_cli_arguments()
input_path = args.video
output_path = gif_path(input_path) if args.outfile is None else args.outfile
fps = args.fps
dw = args.desired_width
dh = args.desired_height
s = args.start_time
e = args.end_time
d = args.duration
if args.rotate:
rotate_filters = "transpose=2,"
else:
rotate_filters = ""
filters = "fps={fps},scale={dw}:{dh}:flags=lanczos".format(fps = fps, dw = dw, dh = dh)
output_filters = "{rotate}{filters} [x]; [x][1:v] paletteuse".format(filters = filters, rotate = rotate_filters)
palette_filters = "{rotate}{filters},palettegen".format(filters = filters, rotate = rotate_filters)
palette_path = get_palette_path()
ffmpeg_args_palette = ['ffmpeg',
'-v', 'warning',
'-i', input_path,
'-vf', palette_filters,
'-y', palette_path]
ffmpeg_args_gif = ['ffmpeg',
'-v', 'warning',
'-i', input_path,
'-i', palette_path,
'-lavfi', output_filters,
'-y', output_path]
if s != -1:
ffmpeg_args_gif = insert_before_output_path(ffmpeg_args_gif, ["-ss", str(s)])
if e != -1:
ffmpeg_args_gif = insert_before_output_path(ffmpeg_args_gif, ["-to", str(e)])
if d != -1:
ffmpeg_args_gif = insert_before_output_path(ffmpeg_args_gif, ["-t", str(d)])
print "First pass: extracting colour palette, hang tight..."
subprocess.call(ffmpeg_args_palette)
print "Second pass: converting that nice video into a sweet, high quality gif..."
subprocess.call(ffmpeg_args_gif)
print "Done! Now go and show off to your friends and colleagues"
#!/bin/bash
# License for any modification to the original (linked below):
# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# Sebastiano Poggi and Daniele Conti wrote this file. As long as you retain
# this notice you can do whatever you want with this stuff. If we meet some day,
# and you think this stuff is worth it, you can buy us a beer in return.
if ! which "ffmpeg" > /dev/null 2>&1; then
echo "You need ffmpeg in your path to run giffify" >&2
exit 1
fi
show_usage() {
echo "Usage:"
echo ""
echo "giffify -i input_path.mp4 -o output_path.gif [-w width] [-y height] [-f fps=15] [-h shows this message]"
}
input_path=""
output_path=""
dw=-1
dh=-1
fps=15
while getopts ":i:o:w:y:f:h" opt; do
case $opt in
i )
input_path=$OPTARG
;;
o )
output_path=$OPTARG
;;
w )
dw=$OPTARG
;;
y )
dh=$OPTARG
;;
f )
fps=$OPTARG
;;
h )
show_usage
exit 0
;;
\? )
echo "Argument $OPTARG not recognized." >&2
exit 1
;;
: )
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
if [[ -z "$input_path" ]]; then
echo "You must specify an input file to process"
echo ""
show_usage
exit 1
fi
if [[ -z "$output_path" ]]; then
output_path="$input_path.gif"
fi
palette="palette.png"
filters="fps=$fps,scale=$dw:$dh:flags=lanczos"
ffmpeg -v warning -i $input_path -vf "$filters,palettegen" -y $palette
if [[ -f $palette ]]; then
ffmpeg -v warning -i $input_path -i $palette -lavfi "$filters [x]; [x][1:v] paletteuse" -y $output_path
rm $palette
fi
@rock3r

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commented Jan 8, 2016

How to use it (you need ffmpeg on your machine!):

  1. Download the file
  2. chmod a+x giffify.py
  3. (optionally) Add it to your PATH
  4. Use it! giffify.py myfile.mp4

We recommend using a -dh 500 for most portrait screencast usages (-dw 500 for landscape).

@danielgomezrico

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commented Jan 8, 2016

Will be better to have it inside a repo to create issues or something, Im getting

$ python giffify.py map.mp4 
Traceback (most recent call last):
  File "giffify.py", line 46, in <module>
    subprocess.call(['ffmpeg', '-v', 'warning', '-i', input_path, '-vf', palette_filters, '-y', palette_path])
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 522, in call
    return Popen(*popenargs, **kwargs).wait()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1335, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

why?

@dannyroa

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commented Jan 9, 2016

Looks like you need to have ffmpeg installed locally.

@rock3r

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commented Jan 22, 2016

@dannyroa yeah you do

@rock3r

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commented Mar 3, 2016

New on 3/3/16:

  • You can now specify a start and end timestamp (or a start time and a duration) for the gif!
  • The script now checks for ffmpeg before running
  • IT TALKS TO YOU!!1!

Please look at the ffmpeg docs for format details.

Thanks again to @fourlastor for the help with Python :)

@rock3r

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commented Mar 3, 2016

There's also once again a minimal port to bash of the script, if you don't want to depend on Python. Thanks to @fourlastor !

@rock3r

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commented Aug 5, 2016

New on 5/8/16:

  • Tweaks to ensure compatibility with Python 3 (thanks @fourlastor)
@rock3r

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commented Oct 10, 2016

New on 10/10/16:

  • Added -r flag to rotate videos by 270 degrees to compensate for Genymotion over-rotating (thanks @ataulm)
@rock3r

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commented Oct 10, 2016

⚠️ IMPORTANT NOTICE ⚠️

Starting now, the code has been moved here: https://github.com/rock3r/giffify

This gist is deprecated. All further updates will happen on the main repo.

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