Add end to end tests for edash-packager

Test files can be updated with --test_update_golden_files if needed.

Change-Id: I5aa904634450f8963f55c46ab5fe0b63f67fef46
This commit is contained in:
KongQun Yang 2015-09-25 15:58:18 -07:00
parent 8c202047fb
commit 8a850af9cd
42 changed files with 565 additions and 86 deletions

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@ -22,9 +22,9 @@ class PackagerApp(object):
self.build_dir = os.path.join(test_env.SRC_DIR, 'out', build_type)
self.binary = os.path.join(self.build_dir, 'packager')
def BuildSrc(self, clean=True):
def BuildSrc(self, clean=False):
if clean:
assert 0 == subprocess.call(['ninja', '-C', self.build_dir, '-t', 'clean'])
return subprocess.call(['ninja', '-C', self.build_dir, '-t', 'clean'])
return subprocess.call(['ninja', '-C', self.build_dir])
def DumpStreamInfo(self, stream):

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@ -9,8 +9,11 @@
"""Tests utilizing the sample packager binary."""
import filecmp
import os
import re
import shutil
import subprocess
import tempfile
import unittest
@ -22,115 +25,291 @@ class PackagerAppTest(unittest.TestCase):
def setUp(self):
self.packager = packager_app.PackagerApp()
self.input = os.path.join(
test_env.SRC_DIR, 'packager', 'media', 'test', 'data', 'bear-1280x720.mp4')
self.tmpdir = tempfile.mkdtemp()
fd, self.output = tempfile.mkstemp(dir=self.tmpdir)
os.close(fd)
self.tmp_dir = tempfile.mkdtemp()
self.output_prefix = os.path.join(self.tmp_dir, 'output')
self.mpd_output = self.output_prefix + '.mpd'
def tearDown(self):
shutil.rmtree(self.tmpdir)
shutil.rmtree(self.tmp_dir)
def testBuildingCode(self):
self.assertEqual(0, self.packager.BuildSrc())
def testDumpStreamInfo(self):
stream_info = self.packager.DumpStreamInfo(self.input)
input = os.path.join(test_env.SRC_DIR, 'packager', 'media', 'test', 'data',
'bear-1280x720.mp4')
stream_info = self.packager.DumpStreamInfo(input)
expected_stream_info = ('Found 2 stream(s).\n'
'Stream [0] type: Audio\n'
' codec_string: mp4a.40.2\n'
' time_scale: 44100\n'
' duration: 121856 (2.8 seconds)\n'
' language: und\n'
' is_encrypted: false\n'
' codec: AAC\n'
' sample_bits: 16\n'
' num_channels: 2\n'
' sampling_frequency: 44100\n\n'
' sampling_frequency: 44100\n'
' language: und\n\n'
'Stream [1] type: Video\n'
' codec_string: avc1.64001f\n'
' time_scale: 30000\n'
' duration: 82082 (2.7 seconds)\n'
' language: und\n'
' is_encrypted: false\n'
' codec: H264\n'
' width: 1280\n'
' height: 720\n'
' pixel aspect ratio: 1:1\n'
' trick_play_rate: 0\n'
' nalu_length_size: 4')
self.assertIn(expected_stream_info, stream_info)
self.assertIn(expected_stream_info, stream_info,
"\nExpecting: \n %s\n\nBut seeing: \n%s" % (
expected_stream_info, stream_info))
def testMuxFirstStream(self):
stream = 'input=%s,stream=0,output=%s' % (self.input, self.output)
streams = [stream]
self.packager.Package(streams)
self._AssertStreamInfo(self.output, 'type: Audio')
def testPackageFirstStream(self):
self.packager.Package(self._GetStreams(['0']), self._GetFlags())
self._DiffGold(self.output[0], 'bear-1280x720-a-golden.mp4')
self._DiffGold(self.mpd_output, 'bear-1280x720-a-golden.mpd')
def testMuxAudioStream(self):
stream = 'input=%s,stream=%s,output=%s' % (self.input, 'audio', self.output)
streams = [stream]
self.packager.Package(streams)
self._AssertStreamInfo(self.output, 'type: Audio')
def testPackage(self):
self.packager.Package(self._GetStreams(['audio', 'video']),
self._GetFlags())
self._DiffGold(self.output[0], 'bear-1280x720-a-golden.mp4')
self._DiffGold(self.output[1], 'bear-1280x720-v-golden.mp4')
self._DiffGold(self.mpd_output, 'bear-1280x720-av-golden.mpd')
def testMuxMultiSegments(self):
template = '%s$Number$.m4s' % self.output
stream = ('input=%s,stream=%s,init_segment=%s,segment_template=%s' %
(self.input, 'video', self.output, template))
streams = [stream]
flags = ['--nosingle_segment']
self.packager.Package(streams, flags)
self._AssertStreamInfo(self.output, 'type: Video')
def testPackageWithEncryption(self):
self.packager.Package(self._GetStreams(['audio', 'video']),
self._GetFlags(encryption=True))
self._DiffGold(self.output[0], 'bear-1280x720-a-cenc-golden.mp4')
self._DiffGold(self.output[1], 'bear-1280x720-v-cenc-golden.mp4')
self._DiffGold(self.mpd_output, 'bear-1280x720-av-cenc-golden.mpd')
def testEncryptingVideoStream(self):
stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
streams = [stream]
flags = ['--enable_fixed_key_encryption',
'--key_id=31323334353637383930313233343536',
'--key=31',
'--pssh=33']
self.packager.Package(streams, flags)
self._AssertStreamInfo(self.output, 'is_encrypted: true')
def testPackageWithEncryptionAndRandomIv(self):
self.packager.Package(self._GetStreams(['audio', 'video']),
self._GetFlags(encryption=True, random_iv=True))
self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
# The outputs are encrypted with random iv, so they are not the same as
# golden files.
self.assertFalse(self._CompareWithGold(
self.output[0], 'bear-1280x720-a-cenc-golden.mp4'))
self.assertFalse(self._CompareWithGold(
self.output[1], 'bear-1280x720-v-cenc-golden.mp4'))
self._DiffGold(self.mpd_output, 'bear-1280x720-av-cenc-golden.mpd')
@unittest.skipUnless(test_env.has_aes_flags,
'Requires AES and network credentials.')
def testPackageWithEncryptionAndRealClock(self):
self.packager.Package(self._GetStreams(['audio', 'video']),
self._GetFlags(encryption=True, use_fake_clock=False))
self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
# The outputs are generated with real clock, so they are not the same as
# golden files.
self.assertFalse(self._CompareWithGold(
self.output[0], 'bear-1280x720-a-cenc-golden.mp4'))
self.assertFalse(self._CompareWithGold(
self.output[1], 'bear-1280x720-v-cenc-golden.mp4'))
self._DiffGold(self.mpd_output, 'bear-1280x720-av-cenc-golden.mpd')
def testPackageWithEncryptionAndDashIfIop(self):
self.packager.Package(self._GetStreams(['audio', 'video']),
self._GetFlags(encryption=True, dash_if_iop=True))
self._DiffGold(self.output[0], 'bear-1280x720-a-cenc-golden.mp4')
self._DiffGold(self.output[1], 'bear-1280x720-v-cenc-golden.mp4')
self._DiffGold(self.mpd_output, 'bear-1280x720-av-cenc-iop-golden.mpd')
def testPackageWithEncryptionAndOutputMediaInfo(self):
self.packager.Package(self._GetStreams(['audio', 'video']),
self._GetFlags(encryption=True,
output_media_info=True))
self._DiffGold(self.output[0], 'bear-1280x720-a-cenc-golden.mp4')
self._DiffGold(self.output[1], 'bear-1280x720-v-cenc-golden.mp4')
self._DiffMediaInfoGold(self.output[0], 'bear-1280x720-a-cenc-golden.mp4')
self._DiffMediaInfoGold(self.output[1], 'bear-1280x720-v-cenc-golden.mp4')
def testPackageWithLiveProfile(self):
self.packager.Package(self._GetStreams(['audio', 'video'], live=True),
self._GetFlags(live=True))
self._DiffLiveGold(self.output[0], 'bear-1280x720-a-live-golden')
self._DiffLiveGold(self.output[1], 'bear-1280x720-v-live-golden')
self._DiffLiveMpdGold(self.mpd_output, 'bear-1280x720-av-live-golden.mpd')
def testPackageWithLiveProfileAndEncryption(self):
self.packager.Package(self._GetStreams(['audio', 'video'], live=True),
self._GetFlags(encryption=True, live=True))
self._DiffLiveGold(self.output[0], 'bear-1280x720-a-live-cenc-golden')
self._DiffLiveGold(self.output[1], 'bear-1280x720-v-live-cenc-golden')
self._DiffLiveMpdGold(self.mpd_output,
'bear-1280x720-av-live-cenc-golden.mpd')
def testPackageWithLiveProfileAndEncryptionAndDashIfIop(self):
self.packager.Package(self._GetStreams(['audio', 'video'], live=True),
self._GetFlags(encryption=True, live=True,
dash_if_iop=True))
self._DiffLiveGold(self.output[0], 'bear-1280x720-a-live-cenc-golden')
self._DiffLiveGold(self.output[1], 'bear-1280x720-v-live-cenc-golden')
self._DiffLiveMpdGold(self.mpd_output,
'bear-1280x720-av-live-cenc-iop-golden.mpd')
def testPackageWithLiveProfileAndKeyRotation(self):
self.packager.Package(self._GetStreams(['audio', 'video'], live=True),
self._GetFlags(encryption=True, key_rotation=True,
live=True))
self._DiffLiveGold(self.output[0],
'bear-1280x720-a-live-cenc-rotation-golden')
self._DiffLiveGold(self.output[1],
'bear-1280x720-v-live-cenc-rotation-golden')
self._DiffLiveMpdGold(self.mpd_output,
'bear-1280x720-av-live-cenc-rotation-golden.mpd')
def testPackageWithLiveProfileAndKeyRotationAndDashIfIop(self):
self.packager.Package(self._GetStreams(['audio', 'video'], live=True),
self._GetFlags(encryption=True, key_rotation=True,
live=True, dash_if_iop=True))
self._DiffLiveGold(self.output[0],
'bear-1280x720-a-live-cenc-rotation-golden')
self._DiffLiveGold(self.output[1],
'bear-1280x720-v-live-cenc-rotation-golden')
self._DiffLiveMpdGold(self.mpd_output,
'bear-1280x720-av-live-cenc-rotation-iop-golden.mpd')
@unittest.skipUnless(test_env.has_aes_flags, 'Requires AES credentials.')
def testWidevineEncryptionWithAes(self):
stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
streams = [stream]
flags = ['--enable_widevine_encryption',
'--key_server_url=' + test_env.options.key_server_url,
'--content_id=' + test_env.options.content_id,
'--signer=' + test_env.options.signer,
'--aes_signing_key=' + test_env.options.aes_signing_key,
flags = self._GetFlags(widevine_encryption=True)
flags += ['--aes_signing_key=' + test_env.options.aes_signing_key,
'--aes_signing_iv=' + test_env.options.aes_signing_iv]
self.packager.Package(streams, flags)
self._AssertStreamInfo(self.output, 'is_encrypted: true')
self.packager.Package(self._GetStreams(['audio', 'video']), flags)
self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
@unittest.skipUnless(test_env.has_aes_flags,
'Requires AES and network credentials.')
@unittest.skipUnless(test_env.has_aes_flags, 'Requires AES credentials.')
def testKeyRotationWithAes(self):
stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
streams = [stream]
flags = ['--enable_widevine_encryption',
'--key_server_url=' + test_env.options.key_server_url,
'--content_id=' + test_env.options.content_id,
'--signer=' + test_env.options.signer,
'--aes_signing_key=' + test_env.options.aes_signing_key,
'--aes_signing_iv=' + test_env.options.aes_signing_iv,
'--crypto_period_duration=1']
self.packager.Package(streams, flags)
self._AssertStreamInfo(self.output, 'is_encrypted: true')
flags = self._GetFlags(widevine_encryption=True, key_rotation=True)
flags += ['--aes_signing_key=' + test_env.options.aes_signing_key,
'--aes_signing_iv=' + test_env.options.aes_signing_iv]
self.packager.Package(self._GetStreams(['audio', 'video']), flags)
self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
@unittest.skipUnless(test_env.has_rsa_flags,
'Requires RSA and network credentials.')
@unittest.skipUnless(test_env.has_rsa_flags, 'Requires RSA credentials.')
def testWidevineEncryptionWithRsa(self):
stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
streams = [stream]
flags = ['--enable_widevine_encryption',
'--key_server_url=' + test_env.options.key_server_url,
'--content_id=' + test_env.options.content_id,
'--signer=' + test_env.options.signer,
'--rsa_signing_key_path=' + test_env.options.rsa_signing_key_path]
self.packager.Package(streams, flags)
self._AssertStreamInfo(self.output, 'is_encrypted: true')
flags = self._GetFlags(widevine_encryption=True)
flags += ['--rsa_signing_key_path=' + test_env.options.rsa_signing_key_path]
self.packager.Package(self._GetStreams(['audio', 'video']), flags)
self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
def _GetStreams(self, stream_descriptors, live = False):
streams = []
self.output = []
test_data_dir = os.path.join(
test_env.SRC_DIR, 'packager', 'media', 'test', 'data')
for stream_descriptor in stream_descriptors:
if live:
# This is still output prefix actually.
output = '%s_%s' % (self.output_prefix, stream_descriptor)
stream = ('input=%s,stream=%s,init_segment=%s-init.mp4,' +
'segment_template=%s-$Number$.m4s')
input = os.path.join(test_data_dir, 'bear-1280x720-av_frag.mp4')
streams.append(stream % (input, stream_descriptor, output, output))
else:
output = '%s_%s.mp4' % (self.output_prefix, stream_descriptor)
stream = 'input=%s,stream=%s,output=%s'
input = os.path.join(test_data_dir, 'bear-1280x720.mp4')
streams.append(stream % (input, stream_descriptor, output))
self.output.append(output)
return streams
def _GetFlags(self, encryption = False, random_iv = False,
widevine_encryption = False, key_rotation = False,
live = False, dash_if_iop=False, output_media_info = False,
use_fake_clock = True):
flags = []
if widevine_encryption:
widevine_server_url = ('https://license.uat.widevine.com/cenc' +
'/getcontentkey/widevine_test')
flags += ['--enable_widevine_encryption',
'--key_server_url=' + widevine_server_url,
'--content_id=3031323334353637',
'--signer=widevine_test']
elif encryption:
flags += ['--enable_fixed_key_encryption',
'--key_id=31323334353637383930313233343536',
'--key=32333435363738393021323334353637',
'--pssh=31323334353637383930313233343536']
if not random_iv:
flags.append('--iv=33343536373839303132333435363738')
if key_rotation: flags.append('--crypto_period_duration=1')
if live:
flags.append('--profile=live')
if dash_if_iop:
flags.append('--generate_dash_if_iop_compliant_mpd')
if output_media_info:
flags.append('--output_media_info')
else:
flags += ['--mpd_output', self.mpd_output]
flags.append('--segment_duration=1')
# Use fake clock, so output can be compared.
if use_fake_clock:
flags.append("--use_fake_clock_for_muxer")
return flags
def _CompareWithGold(self, test_output, golden_file_name):
golden_file = os.path.join(test_env.SRC_DIR, 'packager', 'app', 'test',
'testdata', golden_file_name)
return filecmp.cmp(test_output, golden_file)
def _DiffGold(self, test_output, golden_file_name):
golden_file = os.path.join(test_env.SRC_DIR, 'packager', 'app', 'test',
'testdata', golden_file_name)
if test_env.options.test_update_golden_files:
if not filecmp.cmp(test_output, golden_file):
print "Updating golden file: ", golden_file_name
shutil.copyfile(test_output, golden_file)
else:
match = filecmp.cmp(test_output, golden_file)
if not match:
p = subprocess.Popen(['git', '--no-pager', 'diff', '--color=auto',
'--no-ext-diff', '--no-index',
golden_file, test_output],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, error = p.communicate()
self.fail(output + error)
# '*.media_info' outputs contain media file names, which is changing for
# every test run. These needs to be replaced for comparison.
def _DiffMediaInfoGold(self, test_output, golden_file_name):
media_info_output = test_output + '.media_info'
# Replaces filename, which is changing for every test run.
with open(media_info_output, 'r') as f:
content = f.read()
with open(media_info_output, 'w') as f:
f.write(content.replace(test_output, 'place_holder'))
self._DiffGold(media_info_output, golden_file_name + '.media_info')
def _DiffLiveGold(self, test_output_prefix, golden_file_name_prefix):
# Compare init and the first three segments.
self._DiffGold(test_output_prefix + '-init.mp4',
golden_file_name_prefix + '-init.mp4')
for i in range(1, 4):
self._DiffGold(test_output_prefix + '-%d.m4s' % i,
golden_file_name_prefix + '-%d.m4s' % i)
# Live mpd contains a current availabilityStartTime, which needs to be
# replaced for comparison.
def _DiffLiveMpdGold(self, test_output, golden_file_name):
with open(test_output, 'r') as f:
content = f.read()
# Extract availabilityStartTime
m = re.search('(?<=availabilityStartTime=")[^"]+', content)
self.assertIsNotNone(m)
availabilityStartTime = m.group(0)
print 'availabilityStartTime: ', availabilityStartTime
with open(test_output, 'w') as f:
f.write(content.replace(availabilityStartTime, 'place_holder'))
self._DiffGold(test_output, golden_file_name)
def _AssertStreamInfo(self, stream, info):
stream_info = self.packager.DumpStreamInfo(stream)

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@ -25,12 +25,6 @@ SRC_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), '../../..')
# Parse arguments and calculate dynamic global objects and attributes.
parser = argparse.ArgumentParser()
common = parser.add_argument_group(
'encryption flags',
'These flags are required to enable AES and/or RSA encryption tests.')
common.add_argument('--key_server_url')
common.add_argument('--content_id')
common.add_argument('--signer')
aes = parser.add_argument_group(
'aes flags',
'These flags are required to enable AES signed encryption tests.')
@ -40,14 +34,13 @@ rsa = parser.add_argument_group(
'rsa flags',
'These flags are required to enable RSA signed encryption tests.')
rsa.add_argument('--rsa_signing_key_path')
parser.add_argument('--test_update_golden_files', default=0, type=int)
options, args = parser.parse_known_args()
sys.argv[1:] = args
has_aes_flags = False
if (options.key_server_url and options.content_id and options.signer and
options.aes_signing_key and options.aes_signing_iv):
if (options.aes_signing_key and options.aes_signing_iv):
has_aes_flags = True
has_rsa_flags = False
if (options.key_server_url and options.content_id and options.signer and
options.rsa_signing_key_path):
if options.rsa_signing_key_path:
has_rsa_flags = True

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@ -0,0 +1,27 @@
bandwidth: 77870
audio_info {
codec: "mp4a.40.2"
sampling_frequency: 44100
time_scale: 44100
num_channels: 2
decoder_config: "\022\020"
}
init_range {
begin: 0
end: 810
}
index_range {
begin: 811
end: 878
}
media_file_name: "place_holder"
media_duration_seconds: 2.7631745
reference_time_scale: 44100
container_type: CONTAINER_MP4
protected_content {
default_key_id: "1234567890123456"
content_protection_entry {
uuid: "edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"
pssh: "\000\000\0000pssh\000\000\000\000\355\357\213\251y\326J\316\243\310\'\334\325\035!\355\000\000\000\0201234567890123456"
}
}

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@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" minBufferTime="PT2S" type="static" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" mediaPresentationDuration="PT2.763174533843994S">
<Period>
<AdaptationSet id="0" contentType="audio" subSegmentAlignment="true">
<Representation id="0" bandwidth="77283" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
<BaseURL>output_0.mp4</BaseURL>
<SegmentBase indexRange="608-675" timescale="44100">
<Initialization range="0-607"/>
</SegmentBase>
</Representation>
</AdaptationSet>
</Period>
</MPD>

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@ -0,0 +1,30 @@
<?xml version="1.0" encoding="UTF-8"?>
<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" minBufferTime="PT2S" type="static" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" mediaPresentationDuration="PT2.763174533843994S">
<Period>
<AdaptationSet id="0" contentType="audio" subSegmentAlignment="true">
<Representation id="0" bandwidth="77870" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
<ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
<ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
<cenc:pssh>AAAAMHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABAxMjM0NTY3ODkwMTIzNDU2</cenc:pssh>
</ContentProtection>
<BaseURL>output_audio.mp4</BaseURL>
<SegmentBase indexRange="811-878" timescale="44100">
<Initialization range="0-810"/>
</SegmentBase>
</Representation>
</AdaptationSet>
<AdaptationSet id="1" contentType="video" width="1280" height="720" frameRate="30000/1001" subSegmentAlignment="true" par="16:9">
<Representation id="1" bandwidth="2016732" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720" frameRate="30000/1001">
<ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
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media_file_name: "place_holder"
media_duration_seconds: 2.7360666
reference_time_scale: 30000
container_type: CONTAINER_MP4
protected_content {
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content_protection_entry {
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