402 lines
13 KiB
C++
402 lines
13 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#include <gflags/gflags.h>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <libxml/tree.h>
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#include <list>
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#include "packager/base/logging.h"
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#include "packager/base/strings/string_util.h"
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#include "packager/mpd/base/segment_info.h"
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#include "packager/mpd/base/xml/xml_node.h"
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#include "packager/mpd/test/xml_compare.h"
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DECLARE_bool(segment_template_constant_duration);
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using ::testing::ElementsAre;
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namespace shaka {
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namespace xml {
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namespace {
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// Template so that it works for ContentProtectionXml and
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// ContentProtectionXml::Element.
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template <typename XmlElement>
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void AddAttribute(const std::string& name,
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const std::string& value,
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XmlElement* content_protection_xml) {
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MediaInfo::ContentProtectionXml::AttributeNameValuePair* attribute =
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content_protection_xml->add_attributes();
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attribute->set_name(name);
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attribute->set_value(value);
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}
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} // namespace
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// Make sure XmlEqual() is functioning correctly.
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// TODO(rkuroiwa): Move this to a separate file. This requires it to be TEST
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// due to gtest /test
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TEST(XmlNodeTest, MetaTestXmlElementsEqual) {
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static const char kXml1[] =
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"<A>\n"
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" <B\n"
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" c=\"1\""
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" e=\"foobar\""
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" somelongnameattribute=\"somevalue\">\n"
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" <Bchild childvalue=\"3\"\n"
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" f=\"4\"/>\n"
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" </B>\n"
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" <C />\n"
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"</A>";
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// This is same as kXml1 but the attributes are reordered. Note that the
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// children are not reordered.
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static const char kXml1AttributeReorder[] =
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"<A>\n"
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" <B\n"
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" c=\"1\""
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" somelongnameattribute=\"somevalue\"\n"
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" e=\"foobar\">"
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" <Bchild childvalue=\"3\"\n"
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" f=\"4\"/>\n"
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" </B>\n"
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" <C />\n"
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"</A>";
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// <C> is before <B>.
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static const char kXml1ChildrenReordered[] =
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"<A>\n"
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" <C />\n"
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" <B\n"
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" d=\"2\""
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" c=\"1\""
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" somelongnameattribute=\"somevalue\"\n"
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" e=\"foobar\">"
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" <Bchild childvalue=\"3\"\n"
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" f=\"4\"/>\n"
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" </B>\n"
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"</A>";
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// <C> is before <B>.
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static const char kXml1RemovedAttributes[] =
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"<A>\n"
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" <B\n"
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" d=\"2\"\n>"
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" <Bchild f=\"4\"/>\n"
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" </B>\n"
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" <C />\n"
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"</A>";
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static const char kXml2[] =
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"<A>\n"
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" <C />\n"
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"</A>";
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// In XML <C />, <C></C>, and <C/> mean the same thing.
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static const char kXml2DifferentSyntax[] =
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"<A>\n"
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" <C></C>\n"
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"</A>";
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static const char kXml2MoreDifferentSyntax[] =
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"<A>\n"
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" <C/>\n"
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"</A>";
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// Identity.
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ASSERT_TRUE(XmlEqual(kXml1, kXml1));
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// Equivalent.
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ASSERT_TRUE(XmlEqual(kXml1, kXml1AttributeReorder));
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ASSERT_TRUE(XmlEqual(kXml2, kXml2DifferentSyntax));
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ASSERT_TRUE(XmlEqual(kXml2, kXml2MoreDifferentSyntax));
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// Different.
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ASSERT_FALSE(XmlEqual(kXml1, kXml2));
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ASSERT_FALSE(XmlEqual(kXml1, kXml1ChildrenReordered));
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ASSERT_FALSE(XmlEqual(kXml1, kXml1RemovedAttributes));
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ASSERT_FALSE(XmlEqual(kXml1AttributeReorder, kXml1ChildrenReordered));
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}
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// Verify that if contents are different, XmlEqual returns false.
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// This is to catch the case where just using xmlNodeGetContent() on elements
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// that have subelements don't quite work well.
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// xmlNodeGetContent(<A>) (for both <A>s) will return "content1content2".
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// But if it is run on <B> for the first XML, it will return "content1", but
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// for second XML will return "c".
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TEST(XmlNodeTest, MetaTestXmlEqualDifferentContent) {
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ASSERT_FALSE(XmlEqual(
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"<A><B>content1</B><B>content2</B></A>",
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"<A><B>c</B><B>ontent1content2</B></A>"));
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}
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TEST(XmlNodeTest, ExtractReferencedNamespaces) {
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XmlNode grand_child_with_namespace("grand_ns:grand_child");
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grand_child_with_namespace.SetContent("grand child content");
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XmlNode child("child1");
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child.SetContent("child1 content");
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child.AddChild(grand_child_with_namespace.PassScopedPtr());
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XmlNode child_with_namespace("child_ns:child2");
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child_with_namespace.SetContent("child2 content");
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XmlNode root("root");
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root.AddChild(child.PassScopedPtr());
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root.AddChild(child_with_namespace.PassScopedPtr());
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EXPECT_THAT(root.ExtractReferencedNamespaces(),
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ElementsAre("child_ns", "grand_ns"));
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}
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TEST(XmlNodeTest, ExtractReferencedNamespacesFromAttributes) {
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XmlNode child("child");
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child.SetStringAttribute("child_attribute_ns:attribute",
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"child attribute value");
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XmlNode root("root");
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root.AddChild(child.PassScopedPtr());
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root.SetStringAttribute("root_attribute_ns:attribute",
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"root attribute value");
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EXPECT_THAT(root.ExtractReferencedNamespaces(),
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ElementsAre("child_attribute_ns", "root_attribute_ns"));
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}
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// Verify that AddContentProtectionElements work.
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// xmlReadMemory() (used in XmlEqual()) doesn't like XML fragments that have
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// namespaces without context, e.g. <cenc:pssh> element.
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// The MpdBuilderTests work because the MPD element has xmlns:cenc attribute.
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// Tests that have <cenc:pssh> is in mpd_builder_unittest.
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TEST(XmlNodeTest, AddContentProtectionElements) {
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std::list<ContentProtectionElement> content_protections;
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ContentProtectionElement content_protection_widevine;
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content_protection_widevine.scheme_id_uri =
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"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed";
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content_protection_widevine.value = "SOME bogus Widevine DRM version";
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Element any_element;
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any_element.name = "AnyElement";
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any_element.content = "any content";
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content_protection_widevine.subelements.push_back(any_element);
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content_protections.push_back(content_protection_widevine);
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ContentProtectionElement content_protection_clearkey;
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content_protection_clearkey.scheme_id_uri =
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"urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b";
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content_protections.push_back(content_protection_clearkey);
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RepresentationXmlNode representation;
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representation.AddContentProtectionElements(content_protections);
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EXPECT_THAT(
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representation.GetRawPtr(),
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XmlNodeEqual(
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"<Representation>\n"
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" <ContentProtection\n"
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" schemeIdUri=\"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed\"\n"
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" value=\"SOME bogus Widevine DRM version\">\n"
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" <AnyElement>any content</AnyElement>\n"
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" </ContentProtection>\n"
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" <ContentProtection\n"
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" schemeIdUri=\"urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b\">"
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" </ContentProtection>\n"
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"</Representation>"));
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}
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TEST(XmlNodeTest, AddEC3AudioInfo) {
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MediaInfo::AudioInfo audio_info;
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audio_info.set_codec("ec-3");
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audio_info.set_sampling_frequency(44100);
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audio_info.mutable_codec_specific_data()->set_ec3_channel_map(0xF801);
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RepresentationXmlNode representation;
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representation.AddAudioInfo(audio_info);
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EXPECT_THAT(
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representation.GetRawPtr(),
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XmlNodeEqual(
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"<Representation audioSamplingRate=\"44100\">\n"
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" <AudioChannelConfiguration\n"
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" schemeIdUri=\n"
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" \"tag:dolby.com,2014:dash:audio_channel_configuration:2011\"\n"
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" value=\"F801\"/>\n"
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"</Representation>\n"));
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}
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class LiveSegmentTimelineTest : public ::testing::Test {
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protected:
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void SetUp() override {
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FLAGS_segment_template_constant_duration = true;
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media_info_.set_segment_template_url("$Number$.m4s");
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}
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void TearDown() override { FLAGS_segment_template_constant_duration = false; }
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MediaInfo media_info_;
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};
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TEST_F(LiveSegmentTimelineTest, OneSegmentInfo) {
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const uint32_t kStartNumber = 1;
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const uint64_t kStartTime = 0;
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const uint64_t kDuration = 100;
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const uint64_t kRepeat = 9;
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std::list<SegmentInfo> segment_infos = {
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{kStartTime, kDuration, kRepeat},
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};
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RepresentationXmlNode representation;
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ASSERT_TRUE(
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representation.AddLiveOnlyInfo(media_info_, segment_infos, kStartNumber));
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EXPECT_THAT(
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representation.GetRawPtr(),
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XmlNodeEqual("<Representation>"
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" <SegmentTemplate media=\"$Number$.m4s\" "
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" startNumber=\"1\" duration=\"100\"/>"
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"</Representation>"));
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}
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TEST_F(LiveSegmentTimelineTest, OneSegmentInfoNonZeroStartTime) {
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const uint32_t kStartNumber = 1;
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const uint64_t kNonZeroStartTime = 500;
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const uint64_t kDuration = 100;
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const uint64_t kRepeat = 9;
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std::list<SegmentInfo> segment_infos = {
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{kNonZeroStartTime, kDuration, kRepeat},
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};
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RepresentationXmlNode representation;
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ASSERT_TRUE(
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representation.AddLiveOnlyInfo(media_info_, segment_infos, kStartNumber));
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EXPECT_THAT(representation.GetRawPtr(),
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XmlNodeEqual(
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"<Representation>"
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" <SegmentTemplate media=\"$Number$.m4s\" startNumber=\"1\">"
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" <SegmentTimeline>"
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" <S t=\"500\" d=\"100\" r=\"9\"/>"
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" </SegmentTimeline>"
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" </SegmentTemplate>"
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"</Representation>"));
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}
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TEST_F(LiveSegmentTimelineTest, OneSegmentInfoMatchingStartTimeAndNumber) {
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const uint32_t kStartNumber = 6;
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const uint64_t kNonZeroStartTime = 500;
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const uint64_t kDuration = 100;
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const uint64_t kRepeat = 9;
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std::list<SegmentInfo> segment_infos = {
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{kNonZeroStartTime, kDuration, kRepeat},
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};
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RepresentationXmlNode representation;
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ASSERT_TRUE(
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representation.AddLiveOnlyInfo(media_info_, segment_infos, kStartNumber));
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EXPECT_THAT(
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representation.GetRawPtr(),
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XmlNodeEqual("<Representation>"
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" <SegmentTemplate media=\"$Number$.m4s\" "
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" startNumber=\"6\" duration=\"100\"/>"
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"</Representation>"));
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}
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TEST_F(LiveSegmentTimelineTest, AllSegmentsSameDurationExpectLastOne) {
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const uint32_t kStartNumber = 1;
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const uint64_t kStartTime1 = 0;
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const uint64_t kDuration1 = 100;
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const uint64_t kRepeat1 = 9;
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const uint64_t kStartTime2 = kStartTime1 + (kRepeat1 + 1) * kDuration1;
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const uint64_t kDuration2 = 200;
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const uint64_t kRepeat2 = 0;
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std::list<SegmentInfo> segment_infos = {
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{kStartTime1, kDuration1, kRepeat1},
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{kStartTime2, kDuration2, kRepeat2},
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};
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RepresentationXmlNode representation;
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ASSERT_TRUE(
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representation.AddLiveOnlyInfo(media_info_, segment_infos, kStartNumber));
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EXPECT_THAT(
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representation.GetRawPtr(),
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XmlNodeEqual("<Representation>"
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" <SegmentTemplate media=\"$Number$.m4s\" "
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" startNumber=\"1\" duration=\"100\"/>"
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"</Representation>"));
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}
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TEST_F(LiveSegmentTimelineTest, SecondSegmentInfoNonZeroRepeat) {
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const uint32_t kStartNumber = 1;
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const uint64_t kStartTime1 = 0;
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const uint64_t kDuration1 = 100;
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const uint64_t kRepeat1 = 9;
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const uint64_t kStartTime2 = kStartTime1 + (kRepeat1 + 1) * kDuration1;
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const uint64_t kDuration2 = 200;
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const uint64_t kRepeat2 = 1;
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std::list<SegmentInfo> segment_infos = {
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{kStartTime1, kDuration1, kRepeat1},
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{kStartTime2, kDuration2, kRepeat2},
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};
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RepresentationXmlNode representation;
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ASSERT_TRUE(
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representation.AddLiveOnlyInfo(media_info_, segment_infos, kStartNumber));
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EXPECT_THAT(representation.GetRawPtr(),
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XmlNodeEqual(
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"<Representation>"
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" <SegmentTemplate media=\"$Number$.m4s\" startNumber=\"1\">"
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" <SegmentTimeline>"
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" <S t=\"0\" d=\"100\" r=\"9\"/>"
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" <S t=\"1000\" d=\"200\" r=\"1\"/>"
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" </SegmentTimeline>"
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" </SegmentTemplate>"
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"</Representation>"));
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}
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TEST_F(LiveSegmentTimelineTest, TwoSegmentInfoWithGap) {
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const uint32_t kStartNumber = 1;
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const uint64_t kStartTime1 = 0;
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const uint64_t kDuration1 = 100;
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const uint64_t kRepeat1 = 9;
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const uint64_t kGap = 100;
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const uint64_t kStartTime2 = kGap + kStartTime1 + (kRepeat1 + 1) * kDuration1;
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const uint64_t kDuration2 = 200;
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const uint64_t kRepeat2 = 0;
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std::list<SegmentInfo> segment_infos = {
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{kStartTime1, kDuration1, kRepeat1},
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{kStartTime2, kDuration2, kRepeat2},
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};
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RepresentationXmlNode representation;
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ASSERT_TRUE(
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representation.AddLiveOnlyInfo(media_info_, segment_infos, kStartNumber));
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EXPECT_THAT(representation.GetRawPtr(),
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XmlNodeEqual(
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"<Representation>"
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" <SegmentTemplate media=\"$Number$.m4s\" startNumber=\"1\">"
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" <SegmentTimeline>"
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" <S t=\"0\" d=\"100\" r=\"9\"/>"
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" <S t=\"1100\" d=\"200\"/>"
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" </SegmentTimeline>"
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" </SegmentTemplate>"
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"</Representation>"));
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}
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} // namespace xml
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} // namespace shaka
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