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shaka-packager/packager/hls/base/master_playlist_unittest.cc

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// Copyright 2016 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 <gmock/gmock.h>
#include <gtest/gtest.h>
#include "packager/base/files/file_path.h"
#include "packager/file/file.h"
#include "packager/hls/base/master_playlist.h"
#include "packager/hls/base/media_playlist.h"
#include "packager/hls/base/mock_media_playlist.h"
#include "packager/version/version.h"
namespace shaka {
namespace hls {
using base::FilePath;
using ::testing::_;
using ::testing::AtLeast;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::ReturnRef;
using ::testing::SetArgPointee;
using ::testing::StrEq;
namespace {
const char kDefaultMasterPlaylistName[] = "playlist.m3u8";
const char kDefaultLanguage[] = "en";
const uint32_t kWidth = 800;
const uint32_t kHeight = 600;
const HlsPlaylistType kVodPlaylist = HlsPlaylistType::kVod;
std::unique_ptr<MockMediaPlaylist> CreateVideoPlaylist(
const std::string& filename,
const std::string& codec,
uint64_t bitrate) {
const char kNoName[] = "";
const char kNoGroup[] = "";
std::unique_ptr<MockMediaPlaylist> playlist(
new MockMediaPlaylist(kVodPlaylist, filename, kNoName, kNoGroup));
playlist->SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kVideo);
playlist->SetCodecForTesting(codec);
EXPECT_CALL(*playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(bitrate));
EXPECT_CALL(*playlist, GetDisplayResolution(NotNull(), NotNull()))
.WillRepeatedly(DoAll(SetArgPointee<0>(kWidth), SetArgPointee<1>(kHeight),
Return(true)));
return playlist;
}
std::unique_ptr<MockMediaPlaylist> CreateAudioPlaylist(
const std::string& filename,
const std::string& name,
const std::string& group,
const std::string& codec,
const std::string& language,
uint64_t channels,
uint64_t bitrate) {
// Note that audiocodecs should match for different audio tracks with same
// group ID.
std::unique_ptr<MockMediaPlaylist> playlist(
new MockMediaPlaylist(kVodPlaylist, filename, name, group));
EXPECT_CALL(*playlist, GetLanguage()).WillRepeatedly(Return(language));
EXPECT_CALL(*playlist, GetNumChannels()).WillRepeatedly(Return(channels));
playlist->SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kAudio);
playlist->SetCodecForTesting(codec);
EXPECT_CALL(*playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(bitrate));
EXPECT_CALL(*playlist, GetDisplayResolution(NotNull(), NotNull())).Times(0);
return playlist;
}
std::unique_ptr<MockMediaPlaylist> MakeText(const std::string& filename,
const std::string& name,
const std::string& group,
const std::string& language) {
std::unique_ptr<MockMediaPlaylist> playlist(
new MockMediaPlaylist(kVodPlaylist, filename, name, group));
EXPECT_CALL(*playlist, GetLanguage()).WillRepeatedly(Return(language));
playlist->SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kSubtitle);
return playlist;
}
} // namespace
class MasterPlaylistTest : public ::testing::Test {
protected:
MasterPlaylistTest()
: master_playlist_(kDefaultMasterPlaylistName, kDefaultLanguage),
test_output_dir_("memory://test_dir"),
master_playlist_path_(
FilePath::FromUTF8Unsafe(test_output_dir_)
.Append(FilePath::FromUTF8Unsafe(kDefaultMasterPlaylistName))
.AsUTF8Unsafe()) {}
void SetUp() override { SetPackagerVersionForTesting("test"); }
MasterPlaylist master_playlist_;
std::string test_output_dir_;
std::string master_playlist_path_;
};
TEST_F(MasterPlaylistTest, WriteMasterPlaylistOneVideo) {
const uint64_t kBitRate = 435889;
std::unique_ptr<MockMediaPlaylist> mock_playlist =
CreateVideoPlaylist("media1.m3u8", "avc1", kBitRate);
const char kBaseUrl[] = "http://myplaylistdomain.com/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(kBaseUrl, test_output_dir_,
{mock_playlist.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-STREAM-INF:BANDWIDTH=435889,CODECS=\"avc1\",RESOLUTION=800x600\n"
"http://myplaylistdomain.com/media1.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistVideoAndAudio) {
const uint64_t kVideo1BitRate = 300000;
const uint64_t kVideo2BitRate = 700000;
const uint64_t kAudio1BitRate = 50000;
const uint64_t kAudio2BitRate = 60000;
const uint64_t kAudio1Channels = 2;
const uint64_t kAudio2Channels = 5;
// First video, sd.m3u8.
std::unique_ptr<MockMediaPlaylist> sd_video_playlist =
CreateVideoPlaylist("sd.m3u8", "sdvideocodec", kVideo1BitRate);
// Second video, hd.m3u8.
std::unique_ptr<MockMediaPlaylist> hd_video_playlist =
CreateVideoPlaylist("hd.m3u8", "hdvideocodec", kVideo2BitRate);
// First audio, english.m3u8.
std::unique_ptr<MockMediaPlaylist> english_playlist =
CreateAudioPlaylist("eng.m3u8", "english", "audiogroup", "audiocodec",
"en", kAudio1Channels, kAudio1BitRate);
// Second audio, spanish.m3u8.
std::unique_ptr<MockMediaPlaylist> spanish_playlist =
CreateAudioPlaylist("spa.m3u8", "espanol", "audiogroup", "audiocodec",
"es", kAudio2Channels, kAudio2BitRate);
const char kBaseUrl[] = "http://playlists.org/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(
kBaseUrl, test_output_dir_,
{sd_video_playlist.get(), hd_video_playlist.get(), english_playlist.get(),
spanish_playlist.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://playlists.org/eng.m3u8\","
"GROUP-ID=\"audiogroup\",LANGUAGE=\"en\",NAME=\"english\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\"\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://playlists.org/spa.m3u8\","
"GROUP-ID=\"audiogroup\",LANGUAGE=\"es\",NAME=\"espanol\","
"AUTOSELECT=YES,CHANNELS=\"5\"\n"
"#EXT-X-STREAM-INF:BANDWIDTH=360000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audiogroup\"\n"
"http://playlists.org/sd.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=760000,CODECS=\"hdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audiogroup\"\n"
"http://playlists.org/hd.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistMultipleAudioGroups) {
const uint64_t kVideoBitRate = 300000;
const uint64_t kAudio1BitRate = 50000;
const uint64_t kAudio2BitRate = 100000;
const uint64_t kAudio1Channels = 1;
const uint64_t kAudio2Channels = 8;
// First video, sd.m3u8.
std::unique_ptr<MockMediaPlaylist> video_playlist =
CreateVideoPlaylist("video.m3u8", "videocodec", kVideoBitRate);
// First audio, eng_lo.m3u8.
std::unique_ptr<MockMediaPlaylist> eng_lo_playlist = CreateAudioPlaylist(
"eng_lo.m3u8", "english_lo", "audio_lo", "audiocodec_lo", "en",
kAudio1Channels, kAudio1BitRate);
// Second audio, eng_hi.m3u8.
std::unique_ptr<MockMediaPlaylist> eng_hi_playlist = CreateAudioPlaylist(
"eng_hi.m3u8", "english_hi", "audio_hi", "audiocodec_hi", "en",
kAudio2Channels, kAudio2BitRate);
const char kBaseUrl[] = "http://anydomain.com/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(
kBaseUrl, test_output_dir_,
{video_playlist.get(), eng_lo_playlist.get(), eng_hi_playlist.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://anydomain.com/eng_hi.m3u8\","
"GROUP-ID=\"audio_hi\",LANGUAGE=\"en\",NAME=\"english_hi\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"8\"\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://anydomain.com/eng_lo.m3u8\","
"GROUP-ID=\"audio_lo\",LANGUAGE=\"en\",NAME=\"english_lo\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"1\"\n"
"#EXT-X-STREAM-INF:BANDWIDTH=400000,CODECS=\"videocodec,audiocodec_hi\","
"RESOLUTION=800x600,AUDIO=\"audio_hi\"\n"
"http://anydomain.com/video.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"videocodec,audiocodec_lo\","
"RESOLUTION=800x600,AUDIO=\"audio_lo\"\n"
"http://anydomain.com/video.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistSameAudioGroupSameLanguage) {
// First video, video.m3u8.
std::unique_ptr<MockMediaPlaylist> video_playlist =
CreateVideoPlaylist("video.m3u8", "videocodec", 300000);
// First audio, eng_lo.m3u8.
std::unique_ptr<MockMediaPlaylist> eng_lo_playlist = CreateAudioPlaylist(
"eng_lo.m3u8", "english", "audio", "audiocodec", "en", 1, 50000);
std::unique_ptr<MockMediaPlaylist> eng_hi_playlist = CreateAudioPlaylist(
"eng_hi.m3u8", "english", "audio", "audiocodec", "en", 8, 100000);
const char kBaseUrl[] = "http://anydomain.com/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(
kBaseUrl, test_output_dir_,
{video_playlist.get(), eng_lo_playlist.get(), eng_hi_playlist.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://anydomain.com/eng_lo.m3u8\","
"GROUP-ID=\"audio\",LANGUAGE=\"en\",NAME=\"english\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"1\"\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://anydomain.com/eng_hi.m3u8\","
"GROUP-ID=\"audio\",LANGUAGE=\"en\",NAME=\"english\",CHANNELS=\"8\"\n"
"#EXT-X-STREAM-INF:BANDWIDTH=400000,CODECS=\"videocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio\"\n"
"http://anydomain.com/video.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistVideosAndTexts) {
// Video, sd.m3u8.
std::unique_ptr<MockMediaPlaylist> video1 =
CreateVideoPlaylist("sd.m3u8", "sdvideocodec", 300000);
// Video, hd.m3u8.
std::unique_ptr<MockMediaPlaylist> video2 =
CreateVideoPlaylist("hd.m3u8", "sdvideocodec", 600000);
// Text, eng.m3u8.
std::unique_ptr<MockMediaPlaylist> text_eng =
MakeText("eng.m3u8", "english", "textgroup", "en");
// Text, fr.m3u8.
std::unique_ptr<MockMediaPlaylist> text_fr =
MakeText("fr.m3u8", "french", "textgroup", "fr");
const char kBaseUrl[] = "http://playlists.org/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(
kBaseUrl, test_output_dir_,
{video1.get(), video2.get(), text_eng.get(), text_fr.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/eng.m3u8\","
"GROUP-ID=\"textgroup\",LANGUAGE=\"en\",NAME=\"english\",DEFAULT=YES,"
"AUTOSELECT=YES\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/fr.m3u8\","
"GROUP-ID=\"textgroup\",LANGUAGE=\"fr\",NAME=\"french\",AUTOSELECT=YES\n"
"#EXT-X-STREAM-INF:BANDWIDTH=300000,CODECS=\"sdvideocodec\","
"RESOLUTION=800x600,SUBTITLES=\"textgroup\"\n"
"http://playlists.org/sd.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=600000,CODECS=\"sdvideocodec\","
"RESOLUTION=800x600,SUBTITLES=\"textgroup\"\n"
"http://playlists.org/hd.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistVideoAndTextGroups) {
// Video, sd.m3u8.
std::unique_ptr<MockMediaPlaylist> video =
CreateVideoPlaylist("sd.m3u8", "sdvideocodec", 300000);
// Text, eng.m3u8.
std::unique_ptr<MockMediaPlaylist> text_eng =
MakeText("eng.m3u8", "english", "en-text-group", "en");
// Text, fr.m3u8.
std::unique_ptr<MockMediaPlaylist> text_fr =
MakeText("fr.m3u8", "french", "fr-text-group", "fr");
const char kBaseUrl[] = "http://playlists.org/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(
kBaseUrl, test_output_dir_,
{video.get(), text_eng.get(), text_fr.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/eng.m3u8\","
"GROUP-ID=\"en-text-group\",LANGUAGE=\"en\",NAME=\"english\",DEFAULT=YES,"
"AUTOSELECT=YES\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/fr.m3u8\","
"GROUP-ID=\"fr-text-group\",LANGUAGE=\"fr\",NAME=\"french\",AUTOSELECT="
"YES\n"
"#EXT-X-STREAM-INF:BANDWIDTH=300000,CODECS=\"sdvideocodec\","
"RESOLUTION=800x600,SUBTITLES=\"en-text-group\"\n"
"http://playlists.org/sd.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=300000,CODECS=\"sdvideocodec\","
"RESOLUTION=800x600,SUBTITLES=\"fr-text-group\"\n"
"http://playlists.org/sd.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistVideoAndAudioAndText) {
// Video, sd.m3u8.
std::unique_ptr<MockMediaPlaylist> video =
CreateVideoPlaylist("sd.m3u8", "sdvideocodec", 300000);
// Audio, english.m3u8.
std::unique_ptr<MockMediaPlaylist> audio = CreateAudioPlaylist(
"eng.m3u8", "english", "audiogroup", "audiocodec", "en", 2, 50000);
// Text, english.m3u8.
std::unique_ptr<MockMediaPlaylist> text =
MakeText("eng.m3u8", "english", "textgroup", "en");
const char kBaseUrl[] = "http://playlists.org/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(
kBaseUrl, test_output_dir_, {video.get(), audio.get(), text.get()}));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://playlists.org/eng.m3u8\","
"GROUP-ID=\"audiogroup\",LANGUAGE=\"en\",NAME=\"english\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\"\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/eng.m3u8\","
"GROUP-ID=\"textgroup\",LANGUAGE=\"en\",NAME=\"english\",DEFAULT=YES,"
"AUTOSELECT=YES\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audiogroup\",SUBTITLES=\"textgroup\"\n"
"http://playlists.org/sd.m3u8\n";
ASSERT_EQ(expected, actual);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistVidesAudiosTextsDifferentGroups) {
const uint64_t kAudioChannels = 2;
const uint64_t kAudioBitRate = 50000;
const uint64_t kVideoBitRate = 300000;
std::unique_ptr<MockMediaPlaylist> media_playlists[] = {
// AUDIO
CreateAudioPlaylist("audio-1.m3u8", "audio 1", "audio-group-1",
"audiocodec", "en", kAudioChannels, kAudioBitRate),
CreateAudioPlaylist("audio-2.m3u8", "audio 2", "audio-group-2",
"audiocodec", "en", kAudioChannels, kAudioBitRate),
// SUBTITLES
MakeText("text-1.m3u8", "text 1", "text-group-1", "en"),
MakeText("text-2.m3u8", "text 2", "text-group-2", "en"),
// VIDEO
CreateVideoPlaylist("video-1.m3u8", "sdvideocodec", kVideoBitRate),
CreateVideoPlaylist("video-2.m3u8", "sdvideocodec", kVideoBitRate),
};
// Add all the media playlists to the master playlist.
std::list<MediaPlaylist*> media_playlist_list;
for (const auto& media_playlist : media_playlists) {
media_playlist_list.push_back(media_playlist.get());
}
const char kBaseUrl[] = "http://playlists.org/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(kBaseUrl, test_output_dir_,
media_playlist_list));
std::string actual;
ASSERT_TRUE(File::ReadFileToString(master_playlist_path_.c_str(), &actual));
const std::string expected =
"#EXTM3U\n"
"## Generated with https://github.com/google/shaka-packager version "
"test\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://playlists.org/audio-1.m3u8\","
"GROUP-ID=\"audio-group-1\",LANGUAGE=\"en\",NAME=\"audio 1\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\"\n"
"#EXT-X-MEDIA:TYPE=AUDIO,URI=\"http://playlists.org/audio-2.m3u8\","
"GROUP-ID=\"audio-group-2\",LANGUAGE=\"en\",NAME=\"audio 2\","
"DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\"\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/text-1.m3u8\","
"GROUP-ID=\"text-group-1\",LANGUAGE=\"en\",NAME=\"text "
"1\",DEFAULT=YES,AUTOSELECT=YES\n"
"#EXT-X-MEDIA:TYPE=SUBTITLES,URI=\"http://playlists.org/text-2.m3u8\","
"GROUP-ID=\"text-group-2\",LANGUAGE=\"en\",NAME=\"text "
"2\",DEFAULT=YES,AUTOSELECT=YES\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-1\",SUBTITLES=\"text-group-1\"\n"
"http://playlists.org/video-1.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-1\",SUBTITLES=\"text-group-2\"\n"
"http://playlists.org/video-1.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-2\",SUBTITLES=\"text-group-1\"\n"
"http://playlists.org/video-1.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-2\",SUBTITLES=\"text-group-2\"\n"
"http://playlists.org/video-1.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-1\",SUBTITLES=\"text-group-1\"\n"
"http://playlists.org/video-2.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-1\",SUBTITLES=\"text-group-2\"\n"
"http://playlists.org/video-2.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-2\",SUBTITLES=\"text-group-1\"\n"
"http://playlists.org/video-2.m3u8\n"
"#EXT-X-STREAM-INF:BANDWIDTH=350000,CODECS=\"sdvideocodec,audiocodec\","
"RESOLUTION=800x600,AUDIO=\"audio-group-2\",SUBTITLES=\"text-group-2\"\n"
"http://playlists.org/video-2.m3u8\n";
ASSERT_EQ(expected, actual);
}
} // namespace hls
} // namespace shaka
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