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authorJulien Valroff <julien@kirya.net>2010-06-01 20:31:41 +0200
committerJulien Valroff <julien@kirya.net>2010-06-01 20:31:41 +0200
commitf49f82b74596eda33ee5e2fc14e51fd67351b9ec (patch)
tree2f51420987e62598195b7c506affc7c9bf82d65f /rapid/videometadata.py
parent8da29fc89cbcfb22cfff90d7f045552514e4f92b (diff)
Imported Upstream version 0.2.0upstream/0.2.0
Diffstat (limited to 'rapid/videometadata.py')
-rwxr-xr-xrapid/videometadata.py187
1 files changed, 187 insertions, 0 deletions
diff --git a/rapid/videometadata.py b/rapid/videometadata.py
new file mode 100755
index 0000000..210da33
--- /dev/null
+++ b/rapid/videometadata.py
@@ -0,0 +1,187 @@
+#!/usr/bin/python
+# -*- coding: latin1 -*-
+
+### Copyright (C) 2007-10 Damon Lynch <damonlynch@gmail.com>
+
+### This program is free software; you can redistribute it and/or modify
+### it under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2 of the License, or
+### (at your option) any later version.
+
+### This program is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+### GNU General Public License for more details.
+
+### You should have received a copy of the GNU General Public License
+### along with this program; if not, write to the Free Software
+### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+DOWNLOAD_VIDEO = True
+
+import os
+import datetime
+import subprocess
+import tempfile
+
+import gtk
+import media
+import paths
+
+try:
+ import kaa.metadata
+except ImportError:
+ DOWNLOAD_VIDEO = False
+
+VIDEO_THUMBNAIL_FILE_EXTENSIONS = ['thm']
+VIDEO_FILE_EXTENSIONS = ['avi', 'mov', 'mp4']
+
+if DOWNLOAD_VIDEO:
+
+ try:
+ subprocess.check_call(["ffmpegthumbnailer", "-h"], stdout=subprocess.PIPE)
+ ffmpeg = True
+ except:
+ ffmpeg = False
+
+
+ def version_info():
+ return str(kaa.metadata.VERSION)
+
+ class VideoMetaData():
+ def __init__(self, filename):
+ self.info = kaa.metadata.parse(filename)
+ self.filename = filename
+ self.filmstrip = gtk.gdk.pixbuf_new_from_file(paths.share_dir('glade3/filmstrip-100x75.xpm'))
+ self.FILMSTRIP_WIDTH = 100
+ self.FILMSTRIP_HEIGHT = 75
+
+ def rpd_keys(self):
+ return self.info.keys()
+
+ def _get(self, key, missing, stream=None):
+ if stream != None:
+ v = self.info['video'][stream][key]
+ else:
+ v = self.info[key]
+ if v:
+ return str(v)
+ else:
+ return missing
+
+ def dateTime(self, missing=''):
+ dt = self._get('timestamp', missing=None)
+ if dt:
+ try:
+ return datetime.datetime.fromtimestamp(self.info['timestamp'])
+ except:
+ return missing
+ else:
+ return missing
+
+ def codec(self, stream=0, missing=''):
+ return self._get('codec', missing, stream)
+
+ def length(self, missing=''):
+ l = self._get('length', missing)
+ try:
+ l = '%.0f' % float(l)
+ except:
+ pass
+ return l
+
+ def width(self, stream=0, missing=''):
+ return self._get('width', missing, stream)
+
+ def height(self, stream=0, missing=''):
+ return self._get('height', missing, stream)
+
+ def framesPerSecond(self, stream=0, missing=''):
+ fps = self._get('fps', missing, stream)
+ try:
+ fps = '%.0f' % float(fps)
+ except:
+ pass
+ return fps
+
+ def fourcc(self, stream=0, missing=''):
+ return self._get('fourcc', missing, stream)
+
+ def getThumbnailData(self, size, tempWorkingDir):
+ thm = media.getVideoThumbnailFile(self.filename)
+ if thm:
+ thumbnail = gtk.gdk.pixbuf_new_from_file_at_size(thm, size, size)
+ if thumbnail.get_width() <> self.FILMSTRIP_WIDTH or thumbnail.get_height() <> self.FILMSTRIP_HEIGHT:
+ thumbnail = thumbnail.scale_simple(self.FILMSTRIP_WIDTH, self.FILMSTRIP_HEIGHT, gtk.gdk.INTERP_BILINEAR)
+
+ self.filmstrip.composite(thumbnail, 0, 0, self.filmstrip.props.width, self.filmstrip.props.height, 0, 0, 1.0, 1.0, gtk.gdk.INTERP_HYPER, 255)
+ else:
+ if ffmpeg:
+ tmp = tempfile.NamedTemporaryFile(dir=tempWorkingDir, prefix="rpd-tmp")
+ tmp.close()
+
+ thm = os.path.join(tempWorkingDir, tmp.name)
+
+ try:
+ subprocess.check_call(['ffmpegthumbnailer', '-i', self.filename, '-t', '10', '-f', '-o', thm, '-s', str(size)])
+ thumbnail = gtk.gdk.pixbuf_new_from_file_at_size(thm, size, size)
+ os.unlink(thm)
+ except:
+ thumbnail = None
+ else:
+ thumbnail = None
+ return thumbnail
+
+class DummyMetaData():
+ """
+ Class which gives metadata values for an imaginary video.
+
+ Useful for displaying in preference examples etc. when no video is ready to
+ be downloaded.
+
+ See VideoMetaData class for documentation of class methods.
+ """
+ def __init__(self):
+ pass
+
+ def dateTime(self, missing=''):
+ return datetime.datetime.now()
+
+ def codec(self, stream=0, missing=''):
+ return 'H.264 AVC'
+
+ def length(self, missing=''):
+ return '57'
+
+ def width(self, stream=0, missing=''):
+ return '1920'
+
+ def height(self, stream=0, missing=''):
+ return '1080'
+
+ def framesPerSecond(self, stream=0, missing=''):
+ return '24'
+
+ def fourcc(self, stream=0, missing=''):
+ return 'AVC1'
+
+
+if __name__ == '__main__':
+ import sys
+
+
+ if (len(sys.argv) != 2):
+ print 'Usage: ' + sys.argv[0] + ' path/to/video/containing/metadata'
+ sys.exit(0)
+
+ else:
+ m = VideoMetaData(sys.argv[1])
+ dt = m.dateTime()
+ if dt:
+ print dt.strftime('%Y%m%d-%H:%M:%S')
+ print "codec: %s" % m.codec()
+ print "%s seconds" % m.length()
+ print "%sx%s" % (m.width(), m.height())
+ print "%s fps" % m.framesPerSecond()
+ print "Fourcc: %s" % (m.fourcc())
+