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authorElliott Hughes <enh@google.com>2016-04-21 23:26:14 +0200
committerThe Android Automerger <android-build@android.com>2016-04-22 01:21:23 +0200
commit2c7b6f20b9b9abfd541cbc4cb781a60e235608e1 (patch)
treea3ed720414d0068cea8c5f1dee6b9573ff47e927 /interlace-frames.py
parentmerge in nyc-release history after reset to nyc-dev (diff)
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Diffstat (limited to 'interlace-frames.py')
-rwxr-xr-x[-rw-r--r--]interlace-frames.py62
1 files changed, 48 insertions, 14 deletions
diff --git a/interlace-frames.py b/interlace-frames.py
index 3e777b470..6b435aa90 100644..100755
--- a/interlace-frames.py
+++ b/interlace-frames.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
# Copyright (C) 2014 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,19 +14,16 @@
# limitations under the License.
"""
-Script to take a set of frames (PNG files) for a recovery animation and turn
-it into a single output image which contains the input frames interlaced by
-row. Run with the names of all the input frames on the command line. Specify
-the name of the output file with -o (or --output), and optionally specify the
-number of frames per second (FPS) with --fps (default: 20).
-
-e.g.
-interlace-frames.py --fps 20 --output output.png frame0.png frame1.png frame3.png
+Script to take a set of frames (PNG files) for a recovery animation
+and turn it into a single output image which contains the input frames
+interlaced by row. Run with the names of all the input frames on the
+command line, in order, followed by the name of the output file.
"""
from __future__ import print_function
import argparse
+import os.path
import sys
try:
import Image
@@ -35,7 +33,7 @@ except ImportError:
sys.exit(1)
-def interlace(output, fps, inputs):
+def interlace(output, inputs):
frames = [Image.open(fn).convert("RGB") for fn in inputs]
assert len(frames) > 0, "Must have at least one input frame."
sizes = set()
@@ -60,21 +58,57 @@ def interlace(output, fps, inputs):
meta = PngImagePlugin.PngInfo()
meta.add_text("Frames", str(N))
- meta.add_text("FPS", str(fps))
out.save(output, pnginfo=meta)
+def deinterlace(output, input):
+ # Truncate the output filename extension if it's '.png'.
+ if os.path.splitext(output)[1].lower() == '.png':
+ output = output[:-4]
+
+ img2 = Image.open(input)
+ print(img2.mode)
+ palette = img2.getpalette()
+ img = img2.convert("RGB")
+ num_frames = int(img.info.get('Frames', 1))
+ print('Found %d frames in %s.' % (num_frames, input))
+ assert num_frames > 0, 'Invalid Frames meta.'
+
+ # palette = img.getpalette()
+ print(palette)
+
+ width, height = img.size
+ height /= num_frames
+ for k in range(num_frames):
+ out = Image.new('RGB', (width, height))
+ out.info = img.info
+ for i in range(width):
+ for j in range(height):
+ out.putpixel((i, j), img.getpixel((i, j * num_frames + k)))
+ # out.putpalette(img.getpalette(), rawmode='RGB')
+ out2 = out.convert(mode='P', palette=palette)
+ #out2 = out
+ print(out2.mode)
+ # out2.putpalette(palette)
+ filename = '%s%02d.png' % (output, k)
+ out2.save(filename)
+ print('Frame %d written to %s.' % (k, filename))
+
+
def main(argv):
- parser = argparse.ArgumentParser()
- parser.add_argument('--fps', default=20)
+ parser = argparse.ArgumentParser(description='Parse')
+ parser.add_argument('--deinterlace', '-d', action='store_true')
parser.add_argument('--output', '-o', required=True)
parser.add_argument('input', nargs='+')
args = parser.parse_args(argv)
- interlace(args.output, args.fps, args.input)
+ if args.deinterlace:
+ # args.input is a list, and we only process the first when deinterlacing.
+ deinterlace(args.output, args.input[0])
+ else:
+ interlace(args.output, args.input)
if __name__ == '__main__':
main(sys.argv[1:])
-