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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# libavg - Media Playback Engine.
# Copyright (C) 2003-2014 Ulrich von Zadow
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Current versions can be found at www.libavg.de
#
from optparse import OptionParser
import sys
from libavg import avg
from xml.dom import minidom
import os
parser = OptionParser(usage="%prog filename(s) [options]")
parser.add_option("-x", "--xml", dest = "xml", action = "store_true",
help = "Output in XML format")
parser.add_option("-c", "--csv", dest = "csv", action = "store_true",
help = "Output in csv format")
parser.add_option("-r", "--recursion", dest = "recursion", action = "store_true",
help = "Recurse into subdirectories")
options, args = parser.parse_args()
def sortByName(a, b):
if a < b:
return -1
else:
return 1
class OutputHandler(object):
def __init__(self, args):
self._node = avg.VideoNode()
self.__getFileNames(args)
def __getFileNames(self, args):
self._fileNameList = []
filePaths = []
for arg in args:
if arg == ".":
filePaths.extend(os.listdir(os.curdir))
if options.recursion:
for folder in filePaths:
if os.path.isdir(folder):
filePaths.extend(self.__getFilesInFolder(folder))
elif arg == ".." or os.path.isdir(arg):
filePaths.extend(self.__getFilesInFolder(arg))
else:
if os.path.isfile(arg):
filePaths.append(arg)
for file in filePaths:
try:
if os.path.isfile(file):
self._node.href = str(file)
self._node.play()
self._fileNameList.append(self._node.href)
except RuntimeError, err:
sys.stderr.write(str(err) + "\n")
self._node = avg.VideoNode()
self._fileNameList.sort(cmp=sortByName)
def __getFilesInFolder(self, folder):
folderFiles = []
newFiles = os.listdir(folder)
for newfile in newFiles:
if folder == "..":
testFile = "../"+newfile
else:
testFile = str(folder)+"/"+newfile
if os.path.isfile(testFile):
folderFiles.append(testFile)
if options.recursion and os.path.isdir(testFile):
folderFiles.extend(self.__getFilesInFolder(testFile))
return folderFiles
class ConsoleOutputHandler(OutputHandler):
def __init__(self, args):
super(ConsoleOutputHandler, self).__init__(args)
if self._fileNameList == []:
print "No valid video files found."
printHelp()
def output(self):
if len(self._fileNameList) == 1:
self.__outputSingleFile(self._fileNameList[0])
else:
self.__outputTable()
def __outputSingleFile(self, filename):
self._node.href = filename
print "File: " + self._node.href
print ("Duration: " + str(self._node.getDuration()/1000.) + " s ("
+ str(self._node.getNumFrames()) + " frames)")
print "Bitrate: " + str(self._node.getBitrate()) + " b/s"
print "Video stream: "
print " Codec: " + self._node.getVideoCodec()
print " Size: " + str(self._node.getMediaSize())
print " Pixel format: " + self._node.getStreamPixelFormat()
print " FPS: " + str(self._node.fps)
print " Duration: " + str(self._node.getVideoDuration()/1000.) + " s"
if self._node.hasAudio():
print "Audio stream: "
print " Codec: " + self._node.getAudioCodec()
print " Sample rate: " + str(self._node.getAudioSampleRate()) + " Hz"
print " Channels: " + str(self._node.getNumAudioChannels())
print " Duration: " + str(self._node.getAudioDuration()/1000.) + " s"
def __outputTable(self):
self.__filenameLen = 8
self.__videoCodecLen = 5
self.__videoFormatLen = 6
self.__audioCodecLen = 5
for filename in self._fileNameList:
self._node.href = filename
self._node.play()
self.__filenameLen = max(self.__filenameLen, len(filename))
curLen = len(self._node.getVideoCodec())
self.__videoCodecLen = max(self.__videoCodecLen, curLen)
curLen = len(self._node.getStreamPixelFormat())
self.__videoFormatLen = max(self.__videoFormatLen, curLen)
if self._node.hasAudio():
curLen = len(self._node.getAudioCodec())
self.__audioCodecLen = max(self.__audioCodecLen, curLen)
self.__outputTableHeader()
for filename in self._fileNameList:
self._node.href = filename
self.__outputTableLine(self._node)
def __outputTableHeader(self):
vFile = "Filename".ljust(self.__filenameLen+1)
vDuration = "Duration".ljust(9)
vVideoCodec = "Codec".ljust(self.__videoCodecLen +1)
vVideoSize = "Size".ljust(13)
vPixel = "Pixels".ljust(self.__videoFormatLen+1)
vFPS = "FPS".ljust(6)
vAudioCodec = "Codec".ljust(self.__audioCodecLen+1)
vSampleRate = "Rate".ljust(6)
vChannels = "Channels".ljust(8)
videoPropWidth = self.__videoFormatLen+self.__videoCodecLen+30
print ("| ".rjust(self.__filenameLen + 3) +
"Video properties".center(videoPropWidth) +
"| " +
"Audio properties".center((self.__audioCodecLen+17)))
print (vFile + "| " + vDuration + vVideoCodec +
vVideoSize + vPixel + vFPS + "| " + vAudioCodec +
vSampleRate + vChannels )
print ("| ".rjust(self.__filenameLen+3) +
"|".rjust(videoPropWidth+1))
def __outputTableLine(self, node):
vFile = node.href.ljust(self.__filenameLen + 1)
vDuration = str(node.getDuration()/1000.).ljust(9)
vVideoCodec = str(node.getVideoCodec()).ljust(self.__videoCodecLen + 1)
vVideoSize = str(node.getMediaSize()).ljust(13)
vPixel = str(node.getStreamPixelFormat()).ljust(self.__videoFormatLen + 1)
if node.fps%1 < 0.0000001:
vFPS = str(int(node.fps)).ljust(6)
else:
vFPS = str(round(node.fps, 2)).ljust(6)
if node.hasAudio():
vAudioCodec = str(node.getAudioCodec()).ljust(self.__audioCodecLen + 1)
vSampleRate = str(node.getAudioSampleRate()).ljust(6)
vChannels = str(node.getNumAudioChannels()).ljust(8)
else:
vAudioCodec = "no audio"
vSampleRate = ""
vChannels = ""
info = (vFile + "| " + vDuration + vVideoCodec + vVideoSize + vPixel +
vFPS + "| " + vAudioCodec + vSampleRate + vChannels)
print info
class XMLOutputHandler(OutputHandler):
def __init__(self, args):
super(XMLOutputHandler, self).__init__(args)
self.__impl = minidom.getDOMImplementation()
self.__doc = self.__impl.createDocument(None, "videodict", None)
self.__rootElement = self.__doc.documentElement
def output(self):
for filename in self._fileNameList:
self._node.href = str(filename)
self.__appendXMLChild(self._node)
print self.__doc.toprettyxml(indent=" ",encoding="utf-8")
def __appendXMLChild(self, node):
node.play()
videoinfo = self.__doc.createElement("videoinfo")
videoinfo.setAttribute("file", node.href)
videoinfo.setAttribute("duration", str(node.getDuration()/1000.))
videoinfo.setAttribute("bitrate", str(node.getBitrate()))
self.__rootElement.appendChild(videoinfo)
videoNode = self.__doc.createElement("video")
videoNode.setAttribute("codec", node.getVideoCodec())
videoNode.setAttribute("size", str(node.getMediaSize()))
videoNode.setAttribute("pixelformat", node.getStreamPixelFormat())
videoNode.setAttribute("fps", str(node.fps))
videoinfo.appendChild(videoNode)
if node.hasAudio():
audioNode = self.__doc.createElement("audio")
audioNode.setAttribute("codec", node.getAudioCodec())
audioNode.setAttribute("samplerate", str(node.getAudioSampleRate()))
audioNode.setAttribute("channels", str(node.getNumAudioChannels()))
videoinfo.appendChild(audioNode)
class CSVOutputHandler(OutputHandler):
def __init__(self, args):
super(CSVOutputHandler, self).__init__(args)
def output(self):
print ("File\tDuration(sec)\tNumber of Frames\tBitrate(b/s)\tVideo Codec\t" +
"Width\tHeight\tPixel format\tFPS\tAudio Codec\t" +
"Audio Sample rate(Hz)\t Audio channels")
for filename in self._fileNameList:
self._node.href = str(filename)
self.__outputNode(self._node)
def __outputNode(self, node):
s = (str(node.href)+'\t'+
str(node.getDuration()/1000.)+'\t' +
str(node.getNumFrames())+"\t" +
str(node.getBitrate()) + '\t' +
str(node.getVideoCodec()) + '\t' +
str(node.getMediaSize()[0]) + '\t' +
str(node.getMediaSize()[1]) + '\t' +
str(node.getStreamPixelFormat()) + '\t' +
str(node.fps) + '\t')
if node.hasAudio():
s += (
str(node.getAudioCodec()) + '\t' +
str(node.getAudioSampleRate()) + '\t' +
str(node.getNumAudioChannels()))
else:
s += ' \t \t'
print s
def printHelp():
parser.print_help()
sys.exit(1)
if len(sys.argv) == 1:
printHelp()
if options.xml:
outputHandler = XMLOutputHandler(args)
elif options.csv:
outputHandler = CSVOutputHandler(args)
else:
outputHandler = ConsoleOutputHandler(args)
outputHandler.output()
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