* add install script
* tune commandline interface * remove tiles that might be left over from previous run * general cleanup and fixes
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oxtimelines - create timeline from video
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This program takes one or more video files as input and outputs timeline images.
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If a cuts path is given, it also outputs a json file containing cuts. If in and
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out points are given, only that part of the video(s) will be rendered.
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The timeline modes can be any combination of 'antialias' (average color),
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'slitscan' (center pixel), 'keyframes' (one or more frames per cut), 'audio'
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(waveform), 'cuts' (antialias with cut detection overlay, for debugging) and
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'data' (each frame resized to 8x8 px).
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One or two timeline heights can be specified, larger height first. The timeline
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widths will be 1 px per frame for the first one, and 1 px per second for the
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second (smaller) one. If the wide option is set, large 'keyframeswide' tiles
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will be rendered. They can be used at a later point to render small 'keyframes'
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tiles without having to decode the video again.
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depends on
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gstreamer 0.10.30 or newer
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python-imaging
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gst-python
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python-ox
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on ubuntu 10.04 you need
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sudo add-apt-repository ppa:gstreamer-developers/ppa
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@ -16,10 +16,12 @@ if os.path.exists(os.path.join(root, 'oxtimelines')):
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import ox
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import oxtimelines
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from oxtimelines import video
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'''
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This program takes one or more video files as input and outputs timeline images.
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# fixme: -w option should be 'keyframeswide' mode
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if __name__ == '__main__':
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usage = '''
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%prog takes one or more video files as input and outputs timeline images.
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If a cuts path is given, it also outputs a json file containing cuts. If in and
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out points are given, only that part of the video(s) will be rendered.
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@ -33,35 +35,26 @@ widths will be 1 px per frame for the first one, and 1 px per second for the
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second (smaller) one. If the wide option is set, large 'keyframeswide' tiles
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will be rendered. They can be used at a later point to render small 'keyframes'
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tiles without having to decode the video again.
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'''
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# fixme: -w option should be 'keyframeswide' mode
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if __name__ == '__main__':
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parser = OptionParser()
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parser.add_option('-v', '--videos', dest='videos', help='video file(s)')
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parser.add_option('-t', '--tiles', dest='tiles', help='path for combined timeline tiles')
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usage: %prog [options] video1 video2'''
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parser = OptionParser(usage=usage)
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parser.add_option('-o', '--output', dest='tiles', help='path for combined timeline tiles')
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parser.add_option('-c', '--cuts', dest='cuts', help='path for combined cuts json file')
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parser.add_option('-p', '--points', dest='points', help='inpoint,outpoint (optional)')
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parser.add_option('-m', '--modes', dest='modes', help='timeline mode(s) (antialias, slitscan, keyframes, audio, cuts, data)')
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parser.add_option('-s', '--sizes', dest='sizes', help='timeline size(s) (large or large,small)')
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parser.add_option('-s', '--sizes', dest='sizes', help='timeline size(s) (64 or 64,16)')
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parser.add_option('-w', '--wide', dest='wide', default=False, action='store_true', help='keep wide frames tiles')
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parser.add_option('-l', '--log', dest='log', default=False, action='store_true', help='log performance')
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(opts, args) = parser.parse_args()
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if None in (opts.videos, opts.modes, opts.sizes):
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if None in (opts.modes, opts.sizes, opts.tiles) or not args:
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parser.print_help()
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sys.exit()
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opts.videos = map(lambda x: os.path.abspath(x), opts.videos.split(','))
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opts.videos = map(os.path.abspath, args)
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if opts.points:
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opts.points = map(float, opts.points.split(','))
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opts.modes = opts.modes.split(',')
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opts.modes = [m.strip() for m in opts.modes.split(',')]
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opts.sizes = map(int, opts.sizes.split(','))
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'''
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for f in glob('%s*.png' % opts.tiles):
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os.unlink(f)
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'''
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video.Timelines(opts.videos, opts.tiles, opts.cuts, opts.points, opts.modes, opts.sizes, opts.wide, opts.log).render()
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oxtimelines.Timelines(opts.videos, opts.tiles, opts.cuts, opts.points, opts.modes, opts.sizes, opts.wide, opts.log).render()
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@ -1,6 +1,7 @@
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# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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# GPL 2008-2010
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__version__ = 'bzr'
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import gobject
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gobject.threads_init()
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@ -15,5 +16,5 @@ pygst.require("0.10")
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import gst
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import Image
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import video
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#import audio
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import timeline
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from timeline import Timelines
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@ -4,9 +4,9 @@
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from __future__ import division
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from glob import glob
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import Image
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import math
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import numpy
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import os
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from time import time, strftime
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@ -14,7 +14,7 @@ import gobject
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import gst
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from imagesink import ImageSink
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from ox import avinfo
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import ox
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FPS = 25
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@ -44,11 +44,11 @@ class Video(gst.Pipeline):
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self.add(self.src, self.sbin)
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if self.video:
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info = avinfo(uri)
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info = ox.avinfo(uri)
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ratio = info['video'][0]['width'] / info['video'][0]['height']
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self.width = int(round(self.height * ratio))
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if self.width % 4:
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self.width += 4 - self.width % 4
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self.width += 4 - self.width % 4
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self.vqueue = gst.element_factory_make('queue')
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self.scale = gst.element_factory_make('videoscale')
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self.rate = gst.element_factory_make('videorate')
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@ -234,11 +234,12 @@ class Timelines():
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self.large_tile_w = 1500
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self.large_tile_h = sizes[0]
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self.large_tile_image = {}
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self.render_small_tiles = False
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if len(sizes) == 2:
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self.small_tile_w = 3600
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self.small_tile_h = sizes[1]
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self.small_tile_image = {}
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self.render_small_tiles = True
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self.render_small_tiles = True
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self.render_wide_tiles = render_wide_tiles
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@ -250,6 +251,8 @@ class Timelines():
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self.profiler = Profiler()
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self.profiler.set_task('gst')
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ox.makedirs(self.tile_path)
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def render(self):
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if self.points:
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@ -297,7 +300,7 @@ class Timelines():
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self.frame_ratio = frame_size[0] / frame_size[1]
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self.frame_center = int(frame_size[0] / 2)
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self.large_tile_n = int(math.ceil(self.frame_n / self.large_tile_w))
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self.large_tile_n = int(math.ceil(self.frame_n / self.large_tile_w))
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self.large_tile_last_w = self.frame_n % self.large_tile_w
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if self.render_small_tiles:
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self.small_tile_n = int(math.ceil(self.duration / self.small_tile_w))
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@ -315,6 +318,17 @@ class Timelines():
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self.frame_offset = 0
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self.videos[0].decode(self.file_points[0])
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#remove tiles that might exist from previous run
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if not self.points:
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for mode in self.modes:
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tiles = glob('%s/timeline%s*%d*.jpg' % (self.tile_path, mode, self.large_tile_h))
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for f in ox.sorted_strings(tiles)[self.large_tile_i+2:]:
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os.unlink(f)
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if self.render_small_tiles:
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tiles = glob('%s/timeline%s*%d*.jpg' % (self.tile_path, mode, self.small_tile_h))
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for f in ox.sorted_strings(tiles)[self.small_tile_i+2:]:
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os.unlink(f)
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def _video_callback(self, frame_image, timestamp):
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self.log and self.profiler.set_task('_video_callback()')
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@ -351,7 +365,7 @@ class Timelines():
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if self.render_slitscan:
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crop = (self.frame_center, 0, self.frame_center + 1, self.large_tile_h)
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self.large_tile_image['slitscan'].paste(frame_image.crop(crop), paste)
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self.log and self.profiler.unset_task()
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self.log and self.profiler.unset_task()
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# render data tile
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if self.render_data or self.detect_cuts:
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@ -426,7 +440,7 @@ class Timelines():
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large_keyframes_tile_i = self.large_keyframes_tile_i
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for image_w in image_widths:
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frame_image = self.cut_frames[image_i - self.cuts[-2]]
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frame_image.save('deleteme.jpg')
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#frame_image.save('deleteme.jpg')
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if mode == 'keyframeswide':
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resize = (self.wide_frame_w, self.large_tile_h)
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self.log and self.profiler.set_task('i,resize((w, h)) # keyframeswide timelines')
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@ -468,7 +482,7 @@ class Timelines():
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if large_tile_x == 0:
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large_tile_i = int(self.frame_i / self.large_tile_w)
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if large_tile_i < self.large_tile_n - 1:
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w = self.large_tile_w
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w = self.large_tile_w
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else:
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w = self.large_tile_last_w
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self.large_tile_image['audio'] = Image.new('L', (w, self.large_tile_h))
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@ -535,14 +549,15 @@ class Timelines():
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self.full_tile_image.save(tile_file)
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if self.log:
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print tile_file
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resize = (self.full_tile_w, self.small_tile_h)
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self.full_tile_image = self.full_tile_image.resize(resize, Image.ANTIALIAS)
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tile_file = '%stimelineantialias%dp.jpg' % (
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self.tile_path, self.small_tile_h
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)
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self.full_tile_image.save(tile_file)
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if self.log:
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print tile_file
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if self.render_small_tiles:
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resize = (self.full_tile_w, self.small_tile_h)
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self.full_tile_image = self.full_tile_image.resize(resize, Image.ANTIALIAS)
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tile_file = '%stimelineantialias%dp.jpg' % (
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self.tile_path, self.small_tile_h
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)
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self.full_tile_image.save(tile_file)
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if self.log:
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print tile_file
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self.log and self.profiler.unset_task()
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def _save_tile(self, mode, index):
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@ -0,0 +1,39 @@
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# setup.py
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# -*- coding: UTF-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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try:
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from setuptools import setup
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except:
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from distutils.core import setup
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def get_bzr_version():
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import os
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info = os.path.join(os.path.dirname(__file__), '.bzr/branch/last-revision')
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if os.path.exists(info):
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f = open(info)
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rev = int(f.read().split()[0])
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f.close()
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if rev:
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return u'%s' % rev
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return u'unknown'
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setup(name='oxtimelines',
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version='0.%s' % get_bzr_version() ,
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scripts=[
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'bin/oxtimelines',
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],
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packages=[
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'oxtimelines',
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],
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author='0x2620',
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author_email='0x2620@0x2620.org',
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description='extract timelines from videos',
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classifiers=[
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'Development Status :: 5 - Production/Stable',
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'Operating System :: OS Independent',
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'Programming Language :: Python',
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'Topic :: Software Development :: Libraries :: Python Modules',
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'Topic :: Utilities'
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],
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)
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