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276 lines
8 KiB
Python
276 lines
8 KiB
Python
#!/usr/bin/env python2
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#
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# Copyright (c) 2013,Thibault Saunier <thibault.saunier@collabora.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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""" Some utilies. """
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import sys
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import os
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import re
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import urllib
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import loggable
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import urlparse
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import subprocess
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from operator import itemgetter
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GST_SECOND = long(1000000000)
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DEFAULT_TIMEOUT = 30
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DEFAULT_MAIN_DIR = os.path.expanduser("~/gst-validate/")
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DEFAULT_GST_QA_ASSETS = os.path.join(DEFAULT_MAIN_DIR, "gst-qa-assets")
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DISCOVERER_COMMAND = "gst-discoverer-1.0"
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DURATION_TOLERANCE = GST_SECOND / 4
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# Use to set the duration from which a test is concidered as being 'long'
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LONG_TEST = 40
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class Result(object):
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NOT_RUN = "Not run"
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FAILED = "Failed"
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TIMEOUT = "Timeout"
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PASSED = "Passed"
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KNOWN_ERROR = "Known error"
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class Protocols(object):
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HTTP = "http"
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FILE = "file"
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HLS = "hls"
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class Colors(object):
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HEADER = '\033[95m'
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OKBLUE = '\033[94m'
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OKGREEN = '\033[92m'
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WARNING = '\033[93m'
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FAIL = '\033[91m'
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ENDC = '\033[0m'
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def desactivate_colors():
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Colors.HEADER = ''
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Colors.OKBLUE = ''
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Colors.OKGREEN = ''
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Colors.WARNING = ''
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Colors.FAIL = ''
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Colors.ENDC = ''
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def mkdir(directory):
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try:
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os.makedirs(directory)
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except os.error:
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pass
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def which(name):
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result = []
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exts = filter(None, os.environ.get('PATHEXT', '').split(os.pathsep))
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path = os.environ.get('PATH', None)
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if path is None:
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return []
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for p in os.environ.get('PATH', '').split(os.pathsep):
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p = os.path.join(p, name)
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if os.access(p, os.X_OK):
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result.append(p)
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for e in exts:
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pext = p + e
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if os.access(pext, os.X_OK):
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result.append(pext)
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return result
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def get_color_for_result(result):
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if result is Result.FAILED:
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color = Colors.FAIL
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elif result is Result.TIMEOUT:
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color = Colors.WARNING
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elif result is Result.PASSED:
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color = Colors.OKGREEN
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else:
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color = Colors.OKBLUE
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return color
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def printc(message, color="", title=False):
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if title:
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length = 0
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for l in message.split("\n"):
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if len(l) > length:
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length = len(l)
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if length == 0:
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length = len(message)
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message = length * '=' + "\n" + str(message) + "\n" + length * '='
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if hasattr(message, "result") and color == '':
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color = get_color_for_result(message.result)
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sys.stdout.write(color + str(message) + Colors.ENDC + "\n")
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sys.stdout.flush()
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def launch_command(command, color=None, fails=False):
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printc(command, Colors.OKGREEN, True)
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res = os.system(command)
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if res != 0 and fails is True:
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raise subprocess.CalledProcessError(res, "%s failed" % command)
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def path2url(path):
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return urlparse.urljoin('file:', urllib.pathname2url(path))
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def url2path(url):
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path = urlparse.urlparse(url).path
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if "win32" in sys.platform:
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if path[0] == '/':
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return path[1:] # We need to remove the first '/' on windows
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return path
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def isuri(string):
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url = urlparse.urlparse(string)
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if url.scheme != "" and url.scheme != "":
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return True
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return False
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def touch(fname, times=None):
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with open(fname, 'a'):
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os.utime(fname, times)
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def get_subclasses(klass, env):
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subclasses = []
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for symb in env.iteritems():
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try:
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if issubclass(symb[1], klass) and not symb[1] is klass:
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subclasses.append(symb[1])
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except TypeError:
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pass
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return subclasses
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def TIME_ARGS(time):
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return "%u:%02u:%02u.%09u" % (time / (GST_SECOND * 60 * 60),
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(time / (GST_SECOND * 60)) % 60,
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(time / GST_SECOND) % 60,
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time % GST_SECOND)
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##############################
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# Encoding related utils #
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##############################
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class MediaFormatCombination(object):
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def __str__(self):
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return "%s and %s in %s" % (self.acodec, self.vcodec, self.container)
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def __init__(self, container, acodec, vcodec):
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self.container = container
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self.acodec = acodec
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self.vcodec = vcodec
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FORMATS = {"aac": "audio/mpeg,mpegversion=4",
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"ac3": "audio/x-ac3",
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"vorbis": "audio/x-vorbis",
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"mp3": "audio/mpeg,mpegversion=1,layer=3",
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"h264": "video/x-h264",
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"vp8": "video/x-vp8",
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"theora": "video/x-theora",
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"ogg": "application/ogg",
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"mkv": "video/x-matroska",
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"mp4": "video/quicktime,variant=iso;",
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"webm": "video/webm"}
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def get_profile_full(muxer, venc, aenc, video_restriction=None,
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audio_restriction=None,
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audio_presence=0, video_presence=0):
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ret = "\""
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if muxer:
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ret += muxer
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ret += ":"
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if venc:
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if video_restriction is not None:
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ret = ret + video_restriction + '->'
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ret += venc
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if video_presence:
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ret = ret + '|' + str(video_presence)
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if aenc:
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ret += ":"
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if audio_restriction is not None:
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ret = ret + audio_restriction + '->'
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ret += aenc
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if audio_presence:
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ret = ret + '|' + str(audio_presence)
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ret += "\""
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return ret.replace("::", ":")
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def get_profile(combination, video_restriction=None, audio_restriction=None):
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return get_profile_full(FORMATS[combination.container],
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FORMATS[combination.vcodec],
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FORMATS[combination.acodec],
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video_restriction=video_restriction,
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audio_restriction=audio_restriction)
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##################################################
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# Some utilities to parse gst-validate output #
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##################################################
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def gsttime_from_tuple(stime):
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return long((int(stime[0]) * 3600 + int(stime[1]) * 60 + int(stime[2])) * GST_SECOND + int(stime[3]))
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timeregex = re.compile(r'(?P<_0>.+):(?P<_1>.+):(?P<_2>.+)\.(?P<_3>.+)')
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def parse_gsttimeargs(time):
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stime = map(itemgetter(1), sorted(timeregex.match(time).groupdict().items()))
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return long((int(stime[0]) * 3600 + int(stime[1]) * 60 + int(stime[2])) * GST_SECOND + int(stime[3]))
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def get_duration(media_file):
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duration = 0
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res = ''
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try:
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res = subprocess.check_output([DISCOVERER_COMMAND, media_file])
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except subprocess.CalledProcessError:
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# gst-media-check returns !0 if seeking is not possible, we do not care in that case.
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pass
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for l in res.split('\n'):
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if "Duration: " in l:
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duration = parse_gsttimeargs(l.replace("Duration: ", ""))
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break
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return duration
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def compare_rendered_with_original(orig_duration, dest_file, tolerance=DURATION_TOLERANCE):
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duration = get_duration(dest_file)
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if orig_duration - tolerance >= duration <= orig_duration + tolerance:
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return (Result.FAILED, "Duration of encoded file is "
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" wrong (%s instead of %s)" %
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(TIME_ARGS (duration),
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TIME_ARGS (orig_duration)))
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else:
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return (Result.PASSED, "")
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def get_scenarios():
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GST_VALIDATE_COMMAND = "gst-validate-1.0"
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os.system("%s --scenarios-defs-output-file %s" % (GST_VALIDATE_COMMAND,
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))
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