Add end to end tests for edash-packager

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

Change-Id: I5aa904634450f8963f55c46ab5fe0b63f67fef46

packager/app/test/packager_app.py

@@ -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):

packager/app/test/packager_test.py

@@ -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(
+    self.tmp_dir = tempfile.mkdtemp()
-        test_env.SRC_DIR, 'packager', 'media', 'test', 'data', 'bear-1280x720.mp4')
+    self.output_prefix = os.path.join(self.tmp_dir, 'output')
-    self.tmpdir = tempfile.mkdtemp()
+    self.mpd_output = self.output_prefix + '.mpd'
-    fd, self.output = tempfile.mkstemp(dir=self.tmpdir)
-    os.close(fd)
 
   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):
+  def testPackageFirstStream(self):
-    stream = 'input=%s,stream=0,output=%s' % (self.input, self.output)
+    self.packager.Package(self._GetStreams(['0']), self._GetFlags())
-    streams = [stream]
+    self._DiffGold(self.output[0], 'bear-1280x720-a-golden.mp4')
-    self.packager.Package(streams)
+    self._DiffGold(self.mpd_output, 'bear-1280x720-a-golden.mpd')
-    self._AssertStreamInfo(self.output, 'type: Audio')
 
-  def testMuxAudioStream(self):
+  def testPackage(self):
-    stream = 'input=%s,stream=%s,output=%s' % (self.input, 'audio', self.output)
+    self.packager.Package(self._GetStreams(['audio', 'video']),
-    streams = [stream]
+                          self._GetFlags())
-    self.packager.Package(streams)
+    self._DiffGold(self.output[0], 'bear-1280x720-a-golden.mp4')
-    self._AssertStreamInfo(self.output, 'type: Audio')
+    self._DiffGold(self.output[1], 'bear-1280x720-v-golden.mp4')
+    self._DiffGold(self.mpd_output, 'bear-1280x720-av-golden.mpd')
 
-  def testMuxMultiSegments(self):
+  def testPackageWithEncryption(self):
-    template = '%s$Number$.m4s' % self.output
+    self.packager.Package(self._GetStreams(['audio', 'video']),
-    stream = ('input=%s,stream=%s,init_segment=%s,segment_template=%s' %
+                          self._GetFlags(encryption=True))
-              (self.input, 'video', self.output, template))
+    self._DiffGold(self.output[0], 'bear-1280x720-a-cenc-golden.mp4')
-    streams = [stream]
+    self._DiffGold(self.output[1], 'bear-1280x720-v-cenc-golden.mp4')
-    flags = ['--nosingle_segment']
+    self._DiffGold(self.mpd_output, 'bear-1280x720-av-cenc-golden.mpd')
-    self.packager.Package(streams, flags)
-    self._AssertStreamInfo(self.output, 'type: Video')
 
-  def testEncryptingVideoStream(self):
+  def testPackageWithEncryptionAndRandomIv(self):
-    stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
+    self.packager.Package(self._GetStreams(['audio', 'video']),
-    streams = [stream]
+                          self._GetFlags(encryption=True, random_iv=True))
-    flags = ['--enable_fixed_key_encryption',
+    self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
-             '--key_id=31323334353637383930313233343536',
+    self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
-             '--key=31',
+    # The outputs are encrypted with random iv, so they are not the same as
-             '--pssh=33']
+    # golden files.
-    self.packager.Package(streams, flags)
+    self.assertFalse(self._CompareWithGold(
-    self._AssertStreamInfo(self.output, 'is_encrypted: true')
+            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,
+  def testPackageWithEncryptionAndRealClock(self):
-                       'Requires AES and network credentials.')
+    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)
+    flags = self._GetFlags(widevine_encryption=True)
-    streams = [stream]
+    flags += ['--aes_signing_key=' + test_env.options.aes_signing_key,
-    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]
-    self.packager.Package(streams, flags)
+    self.packager.Package(self._GetStreams(['audio', 'video']), flags)
-    self._AssertStreamInfo(self.output, 'is_encrypted: true')
+    self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
+    self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
 
-  @unittest.skipUnless(test_env.has_aes_flags,
+  @unittest.skipUnless(test_env.has_aes_flags, 'Requires AES credentials.')
-                       'Requires AES and network credentials.')
   def testKeyRotationWithAes(self):
-    stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
+    flags = self._GetFlags(widevine_encryption=True, key_rotation=True)
-    streams = [stream]
+    flags += ['--aes_signing_key=' + test_env.options.aes_signing_key,
-    flags = ['--enable_widevine_encryption',
+              '--aes_signing_iv=' + test_env.options.aes_signing_iv]
-             '--key_server_url=' + test_env.options.key_server_url,
+    self.packager.Package(self._GetStreams(['audio', 'video']), flags)
-             '--content_id=' + test_env.options.content_id,
+    self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
-             '--signer=' + test_env.options.signer,
+    self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
-             '--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')
 
-  @unittest.skipUnless(test_env.has_rsa_flags,
+  @unittest.skipUnless(test_env.has_rsa_flags, 'Requires RSA credentials.')
-                       'Requires RSA and network credentials.')
   def testWidevineEncryptionWithRsa(self):
-    stream = 'input=%s,stream=%s,output=%s' % (self.input, 'video', self.output)
+    flags = self._GetFlags(widevine_encryption=True)
-    streams = [stream]
+    flags += ['--rsa_signing_key_path=' + test_env.options.rsa_signing_key_path]
-    flags = ['--enable_widevine_encryption',
+    self.packager.Package(self._GetStreams(['audio', 'video']), flags)
-             '--key_server_url=' + test_env.options.key_server_url,
+    self._AssertStreamInfo(self.output[0], 'is_encrypted: true')
-             '--content_id=' + test_env.options.content_id,
+    self._AssertStreamInfo(self.output[1], 'is_encrypted: true')
-             '--signer=' + test_env.options.signer,
+
-             '--rsa_signing_key_path=' + test_env.options.rsa_signing_key_path]
+  def _GetStreams(self, stream_descriptors, live = False):
-    self.packager.Package(streams, flags)
+    streams = []
-    self._AssertStreamInfo(self.output, 'is_encrypted: true')
+    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)

packager/app/test/test_env.py

@@ -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
+if (options.aes_signing_key and options.aes_signing_iv):
-    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
+if options.rsa_signing_key_path:
-    options.rsa_signing_key_path):
   has_rsa_flags = True

packager/app/test/testdata/bear-1280x720-a-cenc-golden.mp4.media_info

@@ -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"
+  }
+}

packager/app/test/testdata/bear-1280x720-a-golden.mpd

@@ -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>

packager/app/test/testdata/bear-1280x720-av-cenc-golden.mpd

@@ -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"/>
+        <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
+          <cenc:pssh>AAAAMHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABAxMjM0NTY3ODkwMTIzNDU2</cenc:pssh>
+        </ContentProtection>
+        <BaseURL>output_video.mp4</BaseURL>
+        <SegmentBase indexRange="939-982" timescale="30000">
+          <Initialization range="0-938"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-cenc-iop-golden.mpd

@@ -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">
+      <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>
+      <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"/>
+        <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">
+      <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>
+      <Representation id="1" bandwidth="2016732" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720" frameRate="30000/1001">
+        <BaseURL>output_video.mp4</BaseURL>
+        <SegmentBase indexRange="939-982" timescale="30000">
+          <Initialization range="0-938"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-golden.mpd

@@ -0,0 +1,22 @@
+<?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_audio.mp4</BaseURL>
+        <SegmentBase indexRange="608-675" timescale="44100">
+          <Initialization range="0-607"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="video" width="1280" height="720" frameRate="30000/1001" subSegmentAlignment="true" par="16:9">
+      <Representation id="1" bandwidth="2015963" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720" frameRate="30000/1001">
+        <BaseURL>output_video.mp4</BaseURL>
+        <SegmentBase indexRange="676-719" timescale="30000">
+          <Initialization range="0-675"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-live-cenc-golden.mpd

@@ -0,0 +1,34 @@
+<?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="dynamic" profiles="urn:mpeg:dash:profile:isoff-live:2011" availabilityStartTime="place_holder" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
+  <Period start="PT0S">
+    <AdaptationSet id="0" contentType="video" width="1280" height="720" frameRate="30000/1001" segmentAlignment="true" par="16:9">
+      <Representation id="0" bandwidth="2143213" 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"/>
+        <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
+          <cenc:pssh>AAAAMHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABAxMjM0NTY3ODkwMTIzNDU2</cenc:pssh>
+        </ContentProtection>
+        <SegmentTemplate timescale="30000" initialization="output_video-init.mp4" media="output_video-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="2002" d="30030" r="1"/>
+            <S t="62062" d="22022"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" segmentAlignment="true">
+      <Representation id="1" bandwidth="73920" 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>
+        <SegmentTemplate timescale="44100" initialization="output_audio-init.mp4" media="output_audio-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="0" d="45056" r="1"/>
+            <S t="90112" d="31744"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-live-cenc-iop-golden.mpd

@@ -0,0 +1,34 @@
+<?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="dynamic" profiles="urn:mpeg:dash:profile:isoff-live:2011" availabilityStartTime="place_holder" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
+  <Period start="PT0S">
+    <AdaptationSet id="0" contentType="video" width="1280" height="720" frameRate="30000/1001" segmentAlignment="true" par="16:9">
+      <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>
+      <Representation id="0" bandwidth="2143213" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720" frameRate="30000/1001">
+        <SegmentTemplate timescale="30000" initialization="output_video-init.mp4" media="output_video-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="2002" d="30030" r="1"/>
+            <S t="62062" d="22022"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" segmentAlignment="true">
+      <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>
+      <Representation id="1" bandwidth="73920" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
+        <SegmentTemplate timescale="44100" initialization="output_audio-init.mp4" media="output_audio-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="0" d="45056" r="1"/>
+            <S t="90112" d="31744"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-live-cenc-rotation-golden.mpd

@@ -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="dynamic" profiles="urn:mpeg:dash:profile:isoff-live:2011" availabilityStartTime="place_holder" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
+  <Period start="PT0S">
+    <AdaptationSet id="0" contentType="video" width="1280" height="720" frameRate="30000/1001" segmentAlignment="true" par="16:9">
+      <Representation id="0" bandwidth="2143647" 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="00000000-0000-0000-0000-000000000000"/>
+        <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"/>
+        <SegmentTemplate timescale="30000" initialization="output_video-init.mp4" media="output_video-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="2002" d="30030" r="1"/>
+            <S t="62062" d="22022"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" segmentAlignment="true">
+      <Representation id="1" bandwidth="74365" 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="00000000-0000-0000-0000-000000000000"/>
+        <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"/>
+        <SegmentTemplate timescale="44100" initialization="output_audio-init.mp4" media="output_audio-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="0" d="45056" r="1"/>
+            <S t="90112" d="31744"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-live-cenc-rotation-iop-golden.mpd

@@ -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="dynamic" profiles="urn:mpeg:dash:profile:isoff-live:2011" availabilityStartTime="place_holder" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
+  <Period start="PT0S">
+    <AdaptationSet id="0" contentType="video" width="1280" height="720" frameRate="30000/1001" segmentAlignment="true" par="16:9">
+      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="00000000-0000-0000-0000-000000000000"/>
+      <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"/>
+      <Representation id="0" bandwidth="2143647" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720" frameRate="30000/1001">
+        <SegmentTemplate timescale="30000" initialization="output_video-init.mp4" media="output_video-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="2002" d="30030" r="1"/>
+            <S t="62062" d="22022"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" segmentAlignment="true">
+      <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="00000000-0000-0000-0000-000000000000"/>
+      <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"/>
+      <Representation id="1" bandwidth="74365" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
+        <SegmentTemplate timescale="44100" initialization="output_audio-init.mp4" media="output_audio-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="0" d="45056" r="1"/>
+            <S t="90112" d="31744"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-av-live-golden.mpd

@@ -0,0 +1,26 @@
+<?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="dynamic" profiles="urn:mpeg:dash:profile:isoff-live:2011" availabilityStartTime="place_holder" minimumUpdatePeriod="PT5S" timeShiftBufferDepth="PT1800S">
+  <Period start="PT0S">
+    <AdaptationSet id="0" contentType="video" width="1280" height="720" frameRate="30000/1001" segmentAlignment="true" par="16:9">
+      <Representation id="0" bandwidth="2143213" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720" frameRate="30000/1001">
+        <SegmentTemplate timescale="30000" initialization="output_video-init.mp4" media="output_video-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="2002" d="30030" r="1"/>
+            <S t="62062" d="22022"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" segmentAlignment="true">
+      <Representation id="1" bandwidth="73920" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
+        <SegmentTemplate timescale="44100" initialization="output_audio-init.mp4" media="output_audio-$Number$.m4s" startNumber="1">
+          <SegmentTimeline>
+            <S t="0" d="45056" r="1"/>
+            <S t="90112" d="31744"/>
+          </SegmentTimeline>
+        </SegmentTemplate>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>

packager/app/test/testdata/bear-1280x720-v-cenc-golden.mp4.media_info

@@ -0,0 +1,30 @@
+bandwidth: 2016732
+video_info {
+  codec: "avc1.64001f"
+  width: 1280
+  height: 720
+  time_scale: 30000
+  frame_duration: 1001
+  decoder_config: "\001d\000\037\377\341\000\031gd\000\037\2544\345\001@\026\354\004@\000\000\031\000\000\005\332\243\306\014E\200\001\000\005h\356\262\310\260"
+  pixel_width: 1
+  pixel_height: 1
+}
+init_range {
+  begin: 0
+  end: 938
+}
+index_range {
+  begin: 939
+  end: 982
+}
+media_file_name: "place_holder"
+media_duration_seconds: 2.7360666
+reference_time_scale: 30000
+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"
+  }
+}