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

251 lines
10 KiB
C++

// 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 ::testing::AtLeast;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::ReturnRef;
using ::testing::SetArgPointee;
using ::testing::StrEq;
using ::testing::_;
using base::FilePath;
namespace {
const char kDefaultMasterPlaylistName[] = "playlist.m3u8";
const uint32_t kWidth = 800;
const uint32_t kHeight = 600;
const HlsPlaylistType kVodPlaylist = HlsPlaylistType::kVod;
} // namespace
class MasterPlaylistTest : public ::testing::Test {
protected:
MasterPlaylistTest()
: master_playlist_(kDefaultMasterPlaylistName),
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, AddMediaPlaylist) {
MockMediaPlaylist mock_playlist(kVodPlaylist, "playlist1.m3u8", "somename",
"somegroupid");
master_playlist_.AddMediaPlaylist(&mock_playlist);
}
TEST_F(MasterPlaylistTest, WriteMasterPlaylistOneVideo) {
std::string codec = "avc1";
MockMediaPlaylist mock_playlist(kVodPlaylist, "media1.m3u8", "somename",
"somegroupid");
mock_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListVideo);
mock_playlist.SetCodecForTesting(codec);
EXPECT_CALL(mock_playlist, Bitrate()).WillOnce(Return(435889));
EXPECT_CALL(mock_playlist, GetDisplayResolution(NotNull(), NotNull()))
.WillOnce(DoAll(SetArgPointee<0>(kWidth),
SetArgPointee<1>(kHeight),
Return(true)));
master_playlist_.AddMediaPlaylist(&mock_playlist);
const char kBaseUrl[] = "http://myplaylistdomain.com/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(kBaseUrl, test_output_dir_));
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) {
// First video, sd.m3u8.
std::string sd_video_codec = "sdvideocodec";
MockMediaPlaylist sd_video_playlist(kVodPlaylist, "sd.m3u8", "somename",
"somegroupid");
sd_video_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListVideo);
sd_video_playlist.SetCodecForTesting(sd_video_codec);
EXPECT_CALL(sd_video_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(300000));
EXPECT_CALL(sd_video_playlist, GetDisplayResolution(NotNull(), NotNull()))
.WillRepeatedly(DoAll(SetArgPointee<0>(kWidth),
SetArgPointee<1>(kHeight),
Return(true)));
master_playlist_.AddMediaPlaylist(&sd_video_playlist);
// Second video, hd.m3u8.
std::string hd_video_codec = "hdvideocodec";
MockMediaPlaylist hd_video_playlist(kVodPlaylist, "hd.m3u8", "somename",
"somegroupid");
hd_video_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListVideo);
hd_video_playlist.SetCodecForTesting(hd_video_codec);
EXPECT_CALL(hd_video_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(700000));
EXPECT_CALL(hd_video_playlist, GetDisplayResolution(NotNull(), NotNull()))
.WillRepeatedly(DoAll(SetArgPointee<0>(kWidth),
SetArgPointee<1>(kHeight),
Return(true)));
master_playlist_.AddMediaPlaylist(&hd_video_playlist);
// First audio, english.m3u8.
// Note that audiocodecs should match for different audio tracks with same
// group ID.
std::string audio_codec = "audiocodec";
MockMediaPlaylist english_playlist(kVodPlaylist, "eng.m3u8", "english",
"audiogroup");
EXPECT_CALL(english_playlist, GetLanguage()).WillRepeatedly(Return("en"));
english_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListAudio);
english_playlist.SetCodecForTesting(audio_codec);
EXPECT_CALL(english_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(50000));
EXPECT_CALL(english_playlist, GetDisplayResolution(NotNull(), NotNull()))
.Times(0);
master_playlist_.AddMediaPlaylist(&english_playlist);
// Second audio, spanish.m3u8.
MockMediaPlaylist spanish_playlist(kVodPlaylist, "spa.m3u8", "espanol",
"audiogroup");
EXPECT_CALL(spanish_playlist, GetLanguage()).WillRepeatedly(Return("es"));
spanish_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListAudio);
spanish_playlist.SetCodecForTesting(audio_codec);
EXPECT_CALL(spanish_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(60000));
EXPECT_CALL(spanish_playlist, GetDisplayResolution(NotNull(), NotNull()))
.Times(0);
master_playlist_.AddMediaPlaylist(&spanish_playlist);
const char kBaseUrl[] = "http://playlists.org/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(kBaseUrl, test_output_dir_));
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,GROUP-ID=\"audiogroup\",NAME=\"english\","
"LANGUAGE=\"en\",URI=\"http://playlists.org/eng.m3u8\"\n"
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audiogroup\",NAME=\"espanol\","
"LANGUAGE=\"es\",URI=\"http://playlists.org/spa.m3u8\"\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) {
// First video, sd.m3u8.
std::string video_codec = "videocodec";
MockMediaPlaylist video_playlist(kVodPlaylist, "video.m3u8", "somename",
"somegroupid");
video_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListVideo);
video_playlist.SetCodecForTesting(video_codec);
EXPECT_CALL(video_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(300000));
EXPECT_CALL(video_playlist, GetDisplayResolution(NotNull(), NotNull()))
.WillRepeatedly(DoAll(SetArgPointee<0>(kWidth),
SetArgPointee<1>(kHeight),
Return(true)));
master_playlist_.AddMediaPlaylist(&video_playlist);
// First audio, eng_lo.m3u8.
std::string audio_codec_lo = "audiocodec_lo";
MockMediaPlaylist eng_lo_playlist(kVodPlaylist, "eng_lo.m3u8", "english_lo",
"audio_lo");
EXPECT_CALL(eng_lo_playlist, GetLanguage()).WillRepeatedly(Return("en"));
eng_lo_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListAudio);
eng_lo_playlist.SetCodecForTesting(audio_codec_lo);
EXPECT_CALL(eng_lo_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(50000));
EXPECT_CALL(eng_lo_playlist, GetDisplayResolution(NotNull(), NotNull()))
.Times(0);
master_playlist_.AddMediaPlaylist(&eng_lo_playlist);
std::string audio_codec_hi = "audiocodec_hi";
MockMediaPlaylist eng_hi_playlist(kVodPlaylist, "eng_hi.m3u8", "english_hi",
"audio_hi");
EXPECT_CALL(eng_hi_playlist, GetLanguage()).WillRepeatedly(Return("en"));
eng_hi_playlist.SetStreamTypeForTesting(
MediaPlaylist::MediaPlaylistStreamType::kPlayListAudio);
eng_hi_playlist.SetCodecForTesting(audio_codec_hi);
EXPECT_CALL(eng_hi_playlist, Bitrate())
.Times(AtLeast(1))
.WillRepeatedly(Return(100000));
EXPECT_CALL(eng_hi_playlist, GetDisplayResolution(NotNull(), NotNull()))
.Times(0);
master_playlist_.AddMediaPlaylist(&eng_hi_playlist);
const char kBaseUrl[] = "http://anydomain.com/";
EXPECT_TRUE(master_playlist_.WriteMasterPlaylist(kBaseUrl, test_output_dir_));
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,GROUP-ID=\"audio_hi\",NAME=\"english_hi\","
"LANGUAGE=\"en\",URI=\"http://anydomain.com/eng_hi.m3u8\"\n"
"#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"audio_lo\",NAME=\"english_lo\","
"LANGUAGE=\"en\",URI=\"http://anydomain.com/eng_lo.m3u8\"\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);
}
} // namespace hls
} // namespace shaka