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shaka-packager/packager/mpd/base/adaptation_set_unittest.cc

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// Copyright 2017 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "packager/mpd/base/adaptation_set.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "packager/mpd/base/content_protection_element.h"
#include "packager/mpd/base/mpd_options.h"
#include "packager/mpd/base/representation.h"
#include "packager/mpd/test/mpd_builder_test_helper.h"
#include "packager/mpd/test/xml_compare.h"
using ::testing::ElementsAre;
using ::testing::Not;
namespace shaka {
namespace {
const char kNoLanguage[] = "";
} // namespace
class AdaptationSetTest : public ::testing::Test {
public:
std::unique_ptr<AdaptationSet> CreateAdaptationSet(const std::string& lang) {
return std::unique_ptr<AdaptationSet>(
new AdaptationSet(lang, mpd_options_, &representation_counter_));
}
protected:
MpdOptions mpd_options_;
uint32_t representation_counter_ = 0;
};
class OnDemandAdaptationSetTest : public AdaptationSetTest {
public:
void SetUp() override { mpd_options_.dash_profile = DashProfile::kOnDemand; }
};
class LiveAdaptationSetTest : public AdaptationSetTest {
public:
void SetUp() override { mpd_options_.dash_profile = DashProfile::kLive; }
};
TEST_F(AdaptationSetTest, AddAdaptationSetSwitching) {
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
auto adaptation_set_1 = CreateAdaptationSet(kNoLanguage);
adaptation_set_1->set_id(1);
adaptation_set->AddAdaptationSetSwitching(adaptation_set_1.get());
auto adaptation_set_2 = CreateAdaptationSet(kNoLanguage);
adaptation_set_2->set_id(2);
adaptation_set->AddAdaptationSetSwitching(adaptation_set_2.get());
auto adaptation_set_8 = CreateAdaptationSet(kNoLanguage);
adaptation_set_8->set_id(8);
adaptation_set->AddAdaptationSetSwitching(adaptation_set_8.get());
// The empty contentType is sort of a side effect of being able to generate an
// MPD without adding any Representations.
const char kExpectedOutput[] =
"<AdaptationSet contentType=\"\">"
" <SupplementalProperty "
" schemeIdUri=\"urn:mpeg:dash:adaptation-set-switching:2016\" "
" value=\"1,2,8\"/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput));
}
// Verify that content type is set correctly if video info is present in
// MediaInfo.
TEST_F(AdaptationSetTest, CheckAdaptationSetVideoContentType) {
const char kVideoMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: CONTAINER_MP4\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo));
EXPECT_THAT(adaptation_set->GetXml(), AttributeEqual("contentType", "video"));
}
// Verify that content type is set correctly if audio info is present in
// MediaInfo.
TEST_F(AdaptationSetTest, CheckAdaptationSetAudioContentType) {
const char kAudioMediaInfo[] =
"audio_info {\n"
" codec: 'mp4a.40.2'\n"
" sampling_frequency: 44100\n"
" time_scale: 1200\n"
" num_channels: 2\n"
"}\n"
"container_type: CONTAINER_MP4\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
adaptation_set->AddRepresentation(ConvertToMediaInfo(kAudioMediaInfo));
EXPECT_THAT(adaptation_set->GetXml(), AttributeEqual("contentType", "audio"));
}
// Verify that content type is set correctly if text info is present in
// MediaInfo.
TEST_F(AdaptationSetTest, CheckAdaptationSetTextContentType) {
const char kTextMediaInfo[] =
"text_info {\n"
" codec: 'ttml'\n"
" language: 'en'\n"
"}\n"
"container_type: CONTAINER_TEXT\n";
auto adaptation_set = CreateAdaptationSet("en");
adaptation_set->AddRepresentation(ConvertToMediaInfo(kTextMediaInfo));
EXPECT_THAT(adaptation_set->GetXml(), AttributeEqual("contentType", "text"));
}
TEST_F(AdaptationSetTest, CopyRepresentation) {
const char kVideoMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: CONTAINER_MP4\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* representation =
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo));
Representation* new_representation =
adaptation_set->CopyRepresentation(*representation);
ASSERT_TRUE(new_representation);
}
// Verify that language passed to the constructor sets the @lang field is set.
TEST_F(AdaptationSetTest, CheckLanguageAttributeSet) {
auto adaptation_set = CreateAdaptationSet("en");
EXPECT_THAT(adaptation_set->GetXml(), AttributeEqual("lang", "en"));
}
TEST_F(AdaptationSetTest, CheckAdaptationSetId) {
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
const uint32_t kAdaptationSetId = 42;
adaptation_set->set_id(kAdaptationSetId);
EXPECT_THAT(adaptation_set->GetXml(),
AttributeEqual("id", std::to_string(kAdaptationSetId)));
}
// Verify AdaptationSet::AddAccessibilityElement() works.
TEST_F(AdaptationSetTest, AddAccessibilityElement) {
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
adaptation_set->AddAccessibility("urn:tva:metadata:cs:AudioPurposeCS:2007",
"2");
// The empty contentType is sort of a side effect of being able to generate an
// MPD without adding any Representations.
const char kExpectedOutput[] =
"<AdaptationSet contentType=\"\">\n"
" <Accessibility schemeIdUri=\"urn:tva:metadata:cs:AudioPurposeCS:2007\""
" value=\"2\"/>\n"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput));
}
// Verify AdaptationSet::AddRole() works for "main" role.
TEST_F(AdaptationSetTest, AdaptationAddRoleElementMain) {
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
adaptation_set->AddRole(AdaptationSet::kRoleMain);
// The empty contentType is sort of a side effect of being able to generate an
// MPD without adding any Representations.
const char kExpectedOutput[] =
"<AdaptationSet contentType=\"\">\n"
" <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>\n"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput));
}
// Add Role, ContentProtection, and Representation elements. Verify that
// ContentProtection -> Role -> Representation are in order.
TEST_F(AdaptationSetTest, CheckContentProtectionRoleRepresentationOrder) {
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
adaptation_set->AddRole(AdaptationSet::kRoleMain);
ContentProtectionElement any_content_protection;
any_content_protection.scheme_id_uri = "any_scheme";
adaptation_set->AddContentProtectionElement(any_content_protection);
const char kAudioMediaInfo[] =
"audio_info {\n"
" codec: 'mp4a.40.2'\n"
" sampling_frequency: 44100\n"
" time_scale: 1200\n"
" num_channels: 2\n"
"}\n"
"container_type: 1\n";
adaptation_set->AddRepresentation(ConvertToMediaInfo(kAudioMediaInfo));
const char kExpectedOutput[] =
"<AdaptationSet contentType=\"audio\">\n"
" <ContentProtection schemeIdUri=\"any_scheme\"/>\n"
" <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>\n"
" <Representation id=\"0\" bandwidth=\"0\" codecs=\"mp4a.40.2\"\n"
" mimeType=\"audio/mp4\" audioSamplingRate=\"44100\">\n"
" <AudioChannelConfiguration\n"
" schemeIdUri=\n"
" \"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\"\n"
" value=\"2\"/>\n"
" </Representation>\n"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput));
}
// Verify that if all video Representations in an AdaptationSet have the same
// frame rate, AdaptationSet also has a frameRate attribute.
TEST_F(AdaptationSetTest, AdapatationSetFrameRate) {
const char kVideoMediaInfo1[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 3\n"
"}\n"
"container_type: 1\n";
const char kVideoMediaInfo2[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 3\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo1)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo2)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("frameRate", "10/3"));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("maxFrameRate")));
}
// Verify that if there are videos with different frame rates, the maxFrameRate
// is set.
TEST_F(AdaptationSetTest, AdapatationSetMaxFrameRate) {
// 30fps video.
const char kVideoMediaInfo30fps[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 720\n"
" height: 480\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
const char kVideoMediaInfo15fps[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 720\n"
" height: 480\n"
" time_scale: 3000\n"
" frame_duration: 200\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kVideoMediaInfo30fps)));
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kVideoMediaInfo15fps)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("maxFrameRate", "3000/100"));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("frameRate")));
}
// Verify that (max)FrameRate can be set by calling
// Representation::SetSampleDuration().
TEST_F(AdaptationSetTest,
SetAdaptationFrameRateUsingRepresentationSetSampleDuration) {
// Note that frame duration is not set in the MediaInfos. It could be there
// and should not affect the behavior of the program.
// But to make it closer to a real live-profile use case,
// the frame duration is not set in the MediaInfo, instead it is set using
// SetSampleDuration().
const char k480pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
const char k360pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 640\n"
" height: 360\n"
" time_scale: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* representation_480p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k480pMediaInfo));
Representation* representation_360p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k360pMediaInfo));
// First, make sure that maxFrameRate nor frameRate are set because
// frame durations were not provided in the MediaInfo.
auto no_frame_rate = adaptation_set->GetXml();
EXPECT_THAT(no_frame_rate, Not(AttributeSet("maxFrameRate")));
EXPECT_THAT(no_frame_rate, Not(AttributeSet("frameRate")));
// Then set same frame duration for the representations. (Given that the
// time scales match).
const uint32_t kSameFrameDuration = 3u;
representation_480p->SetSampleDuration(kSameFrameDuration);
representation_360p->SetSampleDuration(kSameFrameDuration);
auto same_frame_rate = adaptation_set->GetXml();
EXPECT_THAT(same_frame_rate, Not(AttributeSet("maxFrameRate")));
EXPECT_THAT(same_frame_rate, AttributeEqual("frameRate", "10/3"));
// Then set 480p to be 5fps (10/2) so that maxFrameRate is set.
const uint32_t k5FPSFrameDuration = 2;
static_assert(k5FPSFrameDuration < kSameFrameDuration,
"frame_duration_must_be_shorter_for_max_frame_rate");
representation_480p->SetSampleDuration(k5FPSFrameDuration);
auto max_frame_rate = adaptation_set->GetXml();
EXPECT_THAT(max_frame_rate, AttributeEqual("maxFrameRate", "10/2"));
EXPECT_THAT(max_frame_rate, Not(AttributeSet("frameRate")));
}
// Verify that if the picture aspect ratio of all the Representations are the
// same, @par attribute is present.
TEST_F(AdaptationSetTest, AdaptationSetParAllSame) {
const char k480pVideoInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 854\n"
" height: 480\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
const char k720pVideoInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
const char k1080pVideoInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
// Note that this has non-1 pixel width and height.
// Which makes the par 16:9.
const char k360pVideoInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 360\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(k480pVideoInfo)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(k720pVideoInfo)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(k1080pVideoInfo)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(k360pVideoInfo)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("par", "16:9"));
}
// Verify that adding Representations with different par will generate
// AdaptationSet without @par.
TEST_F(AdaptationSetTest, AdaptationSetParDifferent) {
const char k16by9VideoInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
// Note that 720:360 is 2:1 where as 720p (above) is 16:9.
const char k2by1VideoInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 360\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(k16by9VideoInfo)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(k2by1VideoInfo)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("par")));
}
// Verify that adding Representation without pixel_width and pixel_height will
// not set @par.
TEST_F(AdaptationSetTest, AdaptationSetParUnknown) {
const char kUknownPixelWidthAndHeight[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kUknownPixelWidthAndHeight)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("par")));
}
// Catch the case where it ends up wrong if integer division is used to check
// the frame rate.
// IOW, A/B != C/D but when using integer division A/B == C/D.
// SO, maxFrameRate should be set instead of frameRate.
TEST_F(AdaptationSetTest, AdapatationSetMaxFrameRateIntegerDivisionEdgeCase) {
// 11/3 != 10/3 but IntegerDiv(11,3) == IntegerDiv(10,3).
const char kVideoMediaInfo1[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 720\n"
" height: 480\n"
" time_scale: 11\n"
" frame_duration: 3\n"
"}\n"
"container_type: 1\n";
const char kVideoMediaInfo2[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 3\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo1)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo2)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("maxFrameRate", "11/3"));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("frameRate")));
}
// Attribute values that are common to all the children Representations should
// propagate up to AdaptationSet. Otherwise, each Representation should have
// its own values.
TEST_F(AdaptationSetTest, BubbleUpAttributesToAdaptationSet) {
const char k1080p[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 30\n"
" frame_duration: 1\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
// Different width from the one above.
const char kDifferentWidth[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1080\n"
" height: 1080\n"
" time_scale: 30\n"
" frame_duration: 1\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
// Different height from ones above
const char kDifferentHeight[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1440\n"
" height: 900\n"
" time_scale: 30\n"
" frame_duration: 1\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
const char kDifferentFrameRate[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 15\n"
" frame_duration: 1\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(adaptation_set->AddRepresentation(ConvertToMediaInfo(k1080p)));
auto all_attributes_on_adaptation_set = adaptation_set->GetXml();
EXPECT_THAT(all_attributes_on_adaptation_set,
AttributeEqual("width", "1920"));
EXPECT_THAT(all_attributes_on_adaptation_set,
AttributeEqual("height", "1080"));
EXPECT_THAT(all_attributes_on_adaptation_set,
AttributeEqual("frameRate", "30/1"));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kDifferentWidth)));
auto width_not_set = adaptation_set->GetXml();
EXPECT_THAT(width_not_set, Not(AttributeSet("width")));
EXPECT_THAT(width_not_set, AttributeEqual("height", "1080"));
EXPECT_THAT(width_not_set, AttributeEqual("frameRate", "30/1"));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kDifferentHeight)));
auto width_height_not_set = adaptation_set->GetXml();
EXPECT_THAT(width_height_not_set, Not(AttributeSet("width")));
EXPECT_THAT(width_height_not_set, Not(AttributeSet("height")));
EXPECT_THAT(width_height_not_set, AttributeEqual("frameRate", "30/1"));
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kDifferentFrameRate)));
auto no_common_attributes = adaptation_set->GetXml();
EXPECT_THAT(no_common_attributes, Not(AttributeSet("width")));
EXPECT_THAT(no_common_attributes, Not(AttributeSet("height")));
EXPECT_THAT(no_common_attributes, Not(AttributeSet("frameRate")));
}
TEST_F(AdaptationSetTest, GetRepresentations) {
const char kMediaInfo1[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
const char kMediaInfo2[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 640\n"
" height: 360\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* representation1 =
adaptation_set->AddRepresentation(ConvertToMediaInfo(kMediaInfo1));
EXPECT_THAT(adaptation_set->GetRepresentations(),
ElementsAre(representation1));
Representation* representation2 =
adaptation_set->AddRepresentation(ConvertToMediaInfo(kMediaInfo2));
EXPECT_THAT(adaptation_set->GetRepresentations(),
ElementsAre(representation1, representation2));
auto new_adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* new_representation2 =
new_adaptation_set->CopyRepresentation(*representation2);
Representation* new_representation1 =
new_adaptation_set->CopyRepresentation(*representation1);
EXPECT_THAT(new_adaptation_set->GetRepresentations(),
// Elements are ordered by id().
ElementsAre(new_representation1, new_representation2));
}
// Verify that subsegmentAlignment is set to true if all the Representations'
// segments are aligned and the DASH profile is OnDemand.
// Also checking that not all Representations have to be added before calling
// AddNewSegment() on a Representation.
TEST_F(OnDemandAdaptationSetTest, SubsegmentAlignment) {
const char k480pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
const char k360pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 640\n"
" height: 360\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
// First use same start time and duration, and verify that subsegmentAlignment
// is set to true.
const uint64_t kStartTime = 0u;
const uint64_t kDuration = 10u;
const uint64_t kAnySize = 19834u;
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* representation_480p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k480pMediaInfo));
// Add a subsegment immediately before adding the 360p Representation.
// This should still work for VOD.
representation_480p->AddNewSegment(kStartTime, kDuration, kAnySize);
Representation* representation_360p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k360pMediaInfo));
representation_360p->AddNewSegment(kStartTime, kDuration, kAnySize);
auto aligned = adaptation_set->GetXml();
EXPECT_THAT(aligned, AttributeEqual("subsegmentAlignment", "true"));
// Unknown because 480p has an extra subsegments.
representation_480p->AddNewSegment(11, 20, kAnySize);
auto alignment_unknown = adaptation_set->GetXml();
EXPECT_THAT(alignment_unknown, Not(AttributeSet("subsegmentAlignment")));
// Add segments that make them not aligned.
representation_360p->AddNewSegment(10, 1, kAnySize);
representation_360p->AddNewSegment(11, 19, kAnySize);
auto unaligned = adaptation_set->GetXml();
EXPECT_THAT(unaligned, Not(AttributeSet("subsegmentAlignment")));
}
// Verify that subsegmentAlignment can be force set to true.
TEST_F(OnDemandAdaptationSetTest, ForceSetsubsegmentAlignment) {
const char k480pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
const char k360pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 640\n"
" height: 360\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* representation_480p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k480pMediaInfo));
Representation* representation_360p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k360pMediaInfo));
// Use different starting times to make the segments "not aligned".
const uint64_t kStartTime1 = 1u;
const uint64_t kStartTime2 = 2u;
static_assert(kStartTime1 != kStartTime2, "StartTimesShouldBeDifferent");
const uint64_t kDuration = 10u;
const uint64_t kAnySize = 19834u;
representation_480p->AddNewSegment(kStartTime1, kDuration, kAnySize);
representation_360p->AddNewSegment(kStartTime2, kDuration, kAnySize);
auto unaligned = adaptation_set->GetXml();
EXPECT_THAT(unaligned, Not(AttributeSet("subsegmentAlignment")));
// Then force set the segment alignment attribute to true.
adaptation_set->ForceSetSegmentAlignment(true);
auto aligned = adaptation_set->GetXml();
EXPECT_THAT(aligned, AttributeEqual("subsegmentAlignment", "true"));
}
// Verify that segmentAlignment is set to true if all the Representations
// segments' are aligned and the DASH profile is Live and MPD type is dynamic.
TEST_F(LiveAdaptationSetTest, SegmentAlignmentDynamicMpd) {
const uint64_t kStartTime = 0u;
const uint64_t kDuration = 10u;
const uint64_t kAnySize = 19834u;
const char k480pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
const char k360pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 640\n"
" height: 360\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
mpd_options_.mpd_type = MpdType::kDynamic;
// For dynamic MPD, we expect the Reprensentations to be synchronized, so the
// Reprensentations are added to AdaptationSet before any segments are added.
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* representation_480p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k480pMediaInfo));
Representation* representation_360p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k360pMediaInfo));
representation_480p->AddNewSegment(kStartTime, kDuration, kAnySize);
representation_360p->AddNewSegment(kStartTime, kDuration, kAnySize);
auto aligned = adaptation_set->GetXml();
EXPECT_THAT(aligned, AttributeEqual("segmentAlignment", "true"));
// Add segments that make them not aligned.
representation_480p->AddNewSegment(11, 20, kAnySize);
representation_360p->AddNewSegment(10, 1, kAnySize);
representation_360p->AddNewSegment(11, 19, kAnySize);
auto unaligned = adaptation_set->GetXml();
EXPECT_THAT(unaligned, Not(AttributeSet("segmentAlignment")));
}
// Verify that segmentAlignment is set to true if all the Representations
// segments' are aligned and the DASH profile is Live and MPD type is static.
TEST_F(LiveAdaptationSetTest, SegmentAlignmentStaticMpd) {
const uint64_t kStartTime = 0u;
const uint64_t kDuration = 10u;
const uint64_t kAnySize = 19834u;
const char k480pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 720\n"
" height: 480\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 8\n"
" pixel_height: 9\n"
"}\n"
"container_type: 1\n";
const char k360pMediaInfo[] =
"video_info {\n"
" codec: 'avc1'\n"
" width: 640\n"
" height: 360\n"
" time_scale: 10\n"
" frame_duration: 10\n"
" pixel_width: 1\n"
" pixel_height: 1\n"
"}\n"
"container_type: 1\n";
mpd_options_.mpd_type = MpdType::kStatic;
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
// For static MPD, the Representations are not synchronized, so it is possible
// that the second Representation is added after adding segments to the first
// Representation.
Representation* representation_480p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k480pMediaInfo));
representation_480p->AddNewSegment(kStartTime, kDuration, kAnySize);
Representation* representation_360p =
adaptation_set->AddRepresentation(ConvertToMediaInfo(k360pMediaInfo));
representation_360p->AddNewSegment(kStartTime, kDuration, kAnySize);
representation_480p->AddNewSegment(kStartTime + kDuration, kDuration,
kAnySize);
representation_360p->AddNewSegment(kStartTime + kDuration, kDuration,
kAnySize);
auto aligned = adaptation_set->GetXml();
EXPECT_THAT(aligned, AttributeEqual("segmentAlignment", "true"));
}
// Verify that the width and height attribute are set if all the video
// representations have the same width and height.
TEST_F(OnDemandAdaptationSetTest, AdapatationSetWidthAndHeight) {
// Both 720p.
const char kVideoMediaInfo1[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
const char kVideoMediaInfo2[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 3000\n"
" frame_duration: 200\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo1)));
ASSERT_TRUE(
adaptation_set->AddRepresentation(ConvertToMediaInfo(kVideoMediaInfo2)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("width", "1280"));
EXPECT_THAT(adaptation_set_xml, AttributeEqual("height", "720"));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("maxWidth")));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("maxHeight")));
}
// Verify that the maxWidth and maxHeight attribute are set if there are
// multiple video resolutions.
TEST_F(OnDemandAdaptationSetTest, AdaptationSetMaxWidthAndMaxHeight) {
const char kVideoMediaInfo1080p[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
const char kVideoMediaInfo720p[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1280\n"
" height: 720\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kVideoMediaInfo1080p)));
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kVideoMediaInfo720p)));
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("maxWidth", "1920"));
EXPECT_THAT(adaptation_set_xml, AttributeEqual("maxHeight", "1080"));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("width")));
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("height")));
}
// Verify that Representation::SetSampleDuration() works by checking that
// AdaptationSet@frameRate is in the XML.
TEST_F(AdaptationSetTest, SetSampleDuration) {
// Omit frame_duration so that SetSampleDuration() will set a new frameRate.
const char kVideoMediaInfo[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 3000\n"
"}\n"
"container_type: 1\n";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
const MediaInfo video_media_info = ConvertToMediaInfo(kVideoMediaInfo);
Representation* representation =
adaptation_set->AddRepresentation(video_media_info);
EXPECT_TRUE(representation->Init());
auto adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, Not(AttributeSet("frameRate")));
representation->SetSampleDuration(2u);
adaptation_set_xml = adaptation_set->GetXml();
EXPECT_THAT(adaptation_set_xml, AttributeEqual("frameRate", "3000/2"));
}
// Verify that AdaptationSet::AddContentProtection() and
// UpdateContentProtectionPssh() works.
TEST_F(AdaptationSetTest, AdaptationSetAddContentProtectionAndUpdate) {
const char kVideoMediaInfo1080p[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
ContentProtectionElement content_protection;
content_protection.scheme_id_uri =
"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed";
content_protection.value = "some value";
Element pssh;
pssh.name = "cenc:pssh";
pssh.content = "any value";
content_protection.subelements.push_back(pssh);
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kVideoMediaInfo1080p)));
adaptation_set->AddContentProtectionElement(content_protection);
const char kExpectedOutput1[] =
"<AdaptationSet contentType=\"video\" width=\"1920\""
" height=\"1080\" frameRate=\"3000/100\">"
" <ContentProtection"
" schemeIdUri=\"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed\""
" value=\"some value\">"
" <cenc:pssh>any value</cenc:pssh>"
" </ContentProtection>"
" <Representation id=\"0\" bandwidth=\"0\" codecs=\"avc1\""
" mimeType=\"video/mp4\"/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput1));
adaptation_set->UpdateContentProtectionPssh(
"edef8ba9-79d6-4ace-a3c8-27dcd51d21ed", "new pssh value");
const char kExpectedOutput2[] =
"<AdaptationSet contentType=\"video\" width=\"1920\""
" height=\"1080\" frameRate=\"3000/100\">"
" <ContentProtection"
" schemeIdUri=\"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed\""
" value=\"some value\">"
// TODO(rkuroiwa): Commenting this out for now because we want to remove
// the PSSH from the MPD. Uncomment this when the player supports updating
// pssh.
//" <cenc:pssh>new pssh value</cenc:pssh>"
" </ContentProtection>"
" <Representation id=\"0\" bandwidth=\"0\" codecs=\"avc1\""
" mimeType=\"video/mp4\"/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput2));
}
// Verify that if the ContentProtection element for the DRM without <cenc:pssh>
// element is updated via UpdateContentProtectionPssh(), the element gets added.
// TODO(rkuroiwa): Until the player supports PSSH update, we remove the pssh
// element. Rename this test once it is supported.
TEST_F(AdaptationSetTest, UpdateToRemovePsshElement) {
const char kVideoMediaInfo1080p[] =
"video_info {\n"
" codec: \"avc1\"\n"
" width: 1920\n"
" height: 1080\n"
" time_scale: 3000\n"
" frame_duration: 100\n"
"}\n"
"container_type: 1\n";
ContentProtectionElement content_protection;
content_protection.scheme_id_uri =
"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed";
content_protection.value = "some value";
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
ASSERT_TRUE(adaptation_set->AddRepresentation(
ConvertToMediaInfo(kVideoMediaInfo1080p)));
adaptation_set->AddContentProtectionElement(content_protection);
const char kExpectedOutput1[] =
"<AdaptationSet contentType=\"video\" width=\"1920\""
" height=\"1080\" frameRate=\"3000/100\">"
" <ContentProtection"
" schemeIdUri=\"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed\""
" value=\"some value\">"
" </ContentProtection>"
" <Representation id=\"0\" bandwidth=\"0\" codecs=\"avc1\""
" mimeType=\"video/mp4\"/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput1));
adaptation_set->UpdateContentProtectionPssh(
"edef8ba9-79d6-4ace-a3c8-27dcd51d21ed", "added pssh value");
const char kExpectedOutput2[] =
"<AdaptationSet contentType=\"video\" width=\"1920\""
" height=\"1080\" frameRate=\"3000/100\">"
" <ContentProtection"
" schemeIdUri=\"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed\""
" value=\"some value\">"
// TODO(rkuroiwa): Commenting this out for now because we want to remove
// teh PSSH from the MPD. Uncomment this when the player supports updating
// pssh.
//" <cenc:pssh>added pssh value</cenc:pssh>"
" </ContentProtection>"
" <Representation id=\"0\" bandwidth=\"0\" codecs=\"avc1\""
" mimeType=\"video/mp4\"/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput2));
}
// MPD schema has strict ordering. AudioChannelConfiguration must appear before
// ContentProtection.
// Also test that Representation::AddContentProtection() works.
TEST_F(OnDemandAdaptationSetTest,
AudioChannelConfigurationWithContentProtection) {
const char kTestMediaInfo[] =
"bandwidth: 195857\n"
"audio_info {\n"
" codec: 'mp4a.40.2'\n"
" sampling_frequency: 44100\n"
" time_scale: 44100\n"
" num_channels: 2\n"
"}\n"
"init_range {\n"
" begin: 0\n"
" end: 863\n"
"}\n"
"index_range {\n"
" begin: 864\n"
" end: 931\n"
"}\n"
"media_file_url: 'encrypted_audio.mp4'\n"
"media_duration_seconds: 24.009434\n"
"reference_time_scale: 44100\n"
"container_type: CONTAINER_MP4\n";
const char kExpectedOutput[] =
"<AdaptationSet contentType=\"audio\">"
" <Representation id=\"0\" bandwidth=\"195857\" codecs=\"mp4a.40.2\""
" mimeType=\"audio/mp4\" audioSamplingRate=\"44100\">"
" <AudioChannelConfiguration"
" schemeIdUri="
" \"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\""
" value=\"2\"/>"
" <ContentProtection schemeIdUri=\"http://foo.com/\">"
" <cenc:pssh>anything</cenc:pssh>"
" </ContentProtection>"
" <BaseURL>encrypted_audio.mp4</BaseURL>"
" <SegmentBase indexRange=\"864-931\" timescale=\"44100\">"
" <Initialization range=\"0-863\"/>"
" </SegmentBase>"
" </Representation>"
"</AdaptationSet>";
ContentProtectionElement content_protection;
content_protection.scheme_id_uri = "http://foo.com/";
Element pssh;
pssh.name = "cenc:pssh";
pssh.content = "anything";
content_protection.subelements.push_back(pssh);
auto adaptation_set = CreateAdaptationSet(kNoLanguage);
Representation* audio_representation =
adaptation_set->AddRepresentation(ConvertToMediaInfo(kTestMediaInfo));
ASSERT_TRUE(audio_representation);
audio_representation->AddContentProtectionElement(content_protection);
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput));
}
// Verify that a text path works.
TEST_F(OnDemandAdaptationSetTest, Text) {
const char kTextMediaInfo[] =
"text_info {\n"
" codec: 'ttml'\n"
" language: 'en'\n"
" type: SUBTITLE\n"
"}\n"
"media_duration_seconds: 35\n"
"bandwidth: 1000\n"
"media_file_url: 'subtitle.xml'\n"
"container_type: CONTAINER_TEXT\n";
const char kExpectedOutput[] =
"<AdaptationSet contentType=\"text\" lang=\"en\">"
" <Role schemeIdUri=\"urn:mpeg:dash:role:2011\""
" value=\"subtitle\"/>\n"
" <Representation id=\"0\" bandwidth=\"1000\""
" mimeType=\"application/ttml+xml\">"
" <BaseURL>subtitle.xml</BaseURL>"
" </Representation>"
"</AdaptationSet>";
auto adaptation_set = CreateAdaptationSet("en");
Representation* text_representation =
adaptation_set->AddRepresentation(ConvertToMediaInfo(kTextMediaInfo));
ASSERT_TRUE(text_representation);
EXPECT_THAT(adaptation_set->GetXml(), XmlNodeEqual(kExpectedOutput));
}
} // namespace shaka
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