292 lines
9.5 KiB
C++
292 lines
9.5 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/media/file/file.h"
|
|
#include "packager/hls/base/media_playlist.h"
|
|
|
|
namespace edash_packager {
|
|
namespace hls {
|
|
|
|
using ::testing::_;
|
|
using ::testing::ReturnArg;
|
|
|
|
namespace {
|
|
|
|
const char kDefaultPlaylistFileName[] = "default_playlist.m3u8";
|
|
|
|
class MockFile : public media::File {
|
|
public:
|
|
MockFile() : File(kDefaultPlaylistFileName) {}
|
|
MOCK_METHOD0(Close, bool());
|
|
MOCK_METHOD2(Read, int64_t(void* buffer, uint64_t length));
|
|
MOCK_METHOD2(Write,int64_t(const void* buffer, uint64_t length));
|
|
MOCK_METHOD0(Size, int64_t());
|
|
MOCK_METHOD0(Flush, bool());
|
|
MOCK_METHOD1(Seek, bool(uint64_t position));
|
|
MOCK_METHOD1(Tell, bool(uint64_t* position));
|
|
|
|
private:
|
|
MOCK_METHOD0(Open, bool());
|
|
};
|
|
|
|
MATCHER_P(MatchesString, expected_string, "") {
|
|
const std::string arg_string(static_cast<const char*>(arg));
|
|
*result_listener << "which is " << arg_string.size()
|
|
<< " long and the content is " << arg_string;
|
|
return expected_string == std::string(static_cast<const char*>(arg));
|
|
}
|
|
|
|
} // namespace
|
|
|
|
class MediaPlaylistTest : public ::testing::Test {
|
|
protected:
|
|
MediaPlaylistTest()
|
|
: default_file_name_(kDefaultPlaylistFileName),
|
|
default_name_("default_name"),
|
|
default_group_id_("default_group_id"),
|
|
media_playlist_(default_file_name_, default_name_, default_group_id_) {}
|
|
|
|
void SetUp() override {
|
|
MediaInfo::VideoInfo* video_info =
|
|
valid_video_media_info_.mutable_video_info();
|
|
video_info->set_codec("avc1");
|
|
video_info->set_time_scale(90000);
|
|
video_info->set_frame_duration(3000);
|
|
video_info->set_width(1280);
|
|
video_info->set_height(720);
|
|
video_info->set_pixel_width(1);
|
|
video_info->set_pixel_height(1);
|
|
}
|
|
|
|
const std::string default_file_name_;
|
|
const std::string default_name_;
|
|
const std::string default_group_id_;
|
|
MediaPlaylist media_playlist_;
|
|
|
|
MediaInfo valid_video_media_info_;
|
|
};
|
|
|
|
// Verify that SetMediaInfo() fails if timescale is not present.
|
|
TEST_F(MediaPlaylistTest, NoTimeScale) {
|
|
MediaInfo media_info;
|
|
EXPECT_FALSE(media_playlist_.SetMediaInfo(media_info));
|
|
}
|
|
|
|
// The current implementation only handles video and audio.
|
|
TEST_F(MediaPlaylistTest, NoAudioOrVideo) {
|
|
MediaInfo media_info;
|
|
media_info.set_reference_time_scale(90000);
|
|
MediaInfo::TextInfo* text_info = media_info.mutable_text_info();
|
|
text_info->set_format("vtt");
|
|
EXPECT_FALSE(media_playlist_.SetMediaInfo(media_info));
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, SetMediaInfo) {
|
|
MediaInfo media_info;
|
|
media_info.set_reference_time_scale(90000);
|
|
MediaInfo::VideoInfo* video_info = media_info.mutable_video_info();
|
|
video_info->set_width(1280);
|
|
video_info->set_height(720);
|
|
EXPECT_TRUE(media_playlist_.SetMediaInfo(media_info));
|
|
}
|
|
|
|
// Verify that AddSegment works (not crash).
|
|
TEST_F(MediaPlaylistTest, AddSegment) {
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
}
|
|
|
|
// Verify that AddEncryptionInfo works (not crash).
|
|
TEST_F(MediaPlaylistTest, AddEncryptionInfo) {
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
media_playlist_.AddEncryptionInfo(MediaPlaylist::EncryptionMethod::kSampleAes,
|
|
"http://example.com", "0xabcedf", "", "");
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, WriteToFile) {
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
const std::string kExpectedOutput =
|
|
"#EXTM3U\n"
|
|
"#EXT-X-VERSION:4\n"
|
|
"#EXT-X-TARGETDURATION:0\n";
|
|
|
|
MockFile file;
|
|
EXPECT_CALL(file,
|
|
Write(MatchesString(kExpectedOutput), kExpectedOutput.size()))
|
|
.WillOnce(ReturnArg<1>());
|
|
EXPECT_TRUE(media_playlist_.WriteToFile(&file));
|
|
}
|
|
|
|
// If bitrate (bandwidth) is not set in the MediaInfo, use it.
|
|
TEST_F(MediaPlaylistTest, UseBitrateInMediaInfo) {
|
|
valid_video_media_info_.set_bandwidth(8191);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
EXPECT_EQ(8191u, media_playlist_.Bitrate());
|
|
}
|
|
|
|
// If bitrate (bandwidth) is not set in the MediaInfo, then calculate from the
|
|
// segments.
|
|
TEST_F(MediaPlaylistTest, GetBitrateFromSegments) {
|
|
valid_video_media_info_.clear_bandwidth();
|
|
|
|
valid_video_media_info_.set_reference_time_scale(90000);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
|
|
// 10 seconds, 1MB.
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
// 20 seconds, 5MB.
|
|
media_playlist_.AddSegment("file2.ts", 1800000, 5000000);
|
|
|
|
// 200KB per second which is 1600K bits / sec.
|
|
EXPECT_EQ(1600000u, media_playlist_.Bitrate());
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, GetLongestSegmentDuration) {
|
|
valid_video_media_info_.set_reference_time_scale(90000);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
|
|
// 10 seconds.
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
// 30 seconds.
|
|
media_playlist_.AddSegment("file2.ts", 2700000, 5000000);
|
|
// 14 seconds.
|
|
media_playlist_.AddSegment("file3.ts", 1260000, 3000000);
|
|
|
|
EXPECT_NEAR(30.0, media_playlist_.GetLongestSegmentDuration(), 0.01);
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, SetTargetDuration) {
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
EXPECT_TRUE(media_playlist_.SetTargetDuration(20));
|
|
const std::string kExpectedOutput =
|
|
"#EXTM3U\n"
|
|
"#EXT-X-VERSION:4\n"
|
|
"#EXT-X-TARGETDURATION:20\n";
|
|
|
|
MockFile file;
|
|
EXPECT_CALL(file,
|
|
Write(MatchesString(kExpectedOutput), kExpectedOutput.size()))
|
|
.WillOnce(ReturnArg<1>());
|
|
EXPECT_TRUE(media_playlist_.WriteToFile(&file));
|
|
|
|
// Cannot set target duration more than once.
|
|
EXPECT_FALSE(media_playlist_.SetTargetDuration(20));
|
|
EXPECT_FALSE(media_playlist_.SetTargetDuration(10));
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, WriteToFileWithSegments) {
|
|
valid_video_media_info_.set_reference_time_scale(90000);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
|
|
// 10 seconds.
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
// 30 seconds.
|
|
media_playlist_.AddSegment("file2.ts", 2700000, 5000000);
|
|
const std::string kExpectedOutput =
|
|
"#EXTM3U\n"
|
|
"#EXT-X-VERSION:4\n"
|
|
"#EXT-X-TARGETDURATION:30\n"
|
|
"#EXTINF:10.000\n"
|
|
"file1.ts\n"
|
|
"#EXTINF:30.000\n"
|
|
"file2.ts\n";
|
|
|
|
MockFile file;
|
|
EXPECT_CALL(file,
|
|
Write(MatchesString(kExpectedOutput), kExpectedOutput.size()))
|
|
.WillOnce(ReturnArg<1>());
|
|
EXPECT_TRUE(media_playlist_.WriteToFile(&file));
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, WriteToFileWithEncryptionInfo) {
|
|
valid_video_media_info_.set_reference_time_scale(90000);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
|
|
media_playlist_.AddEncryptionInfo(MediaPlaylist::EncryptionMethod::kSampleAes,
|
|
"http://example.com", "0x12345678",
|
|
"com.widevine", "1/2/4");
|
|
// 10 seconds.
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
// 30 seconds.
|
|
media_playlist_.AddSegment("file2.ts", 2700000, 5000000);
|
|
const std::string kExpectedOutput =
|
|
"#EXTM3U\n"
|
|
"#EXT-X-VERSION:4\n"
|
|
"#EXT-X-TARGETDURATION:30\n"
|
|
"#EXT-X-KEY:METHOD=SAMPLE-AES,"
|
|
"URI=\"http://example.com\",IV=0x12345678,KEYFORMATVERSIONS=\"1/2/4\","
|
|
"KEYFORMAT=\"com.widevine\"\n"
|
|
"#EXTINF:10.000\n"
|
|
"file1.ts\n"
|
|
"#EXTINF:30.000\n"
|
|
"file2.ts\n";
|
|
|
|
MockFile file;
|
|
EXPECT_CALL(file,
|
|
Write(MatchesString(kExpectedOutput), kExpectedOutput.size()))
|
|
.WillOnce(ReturnArg<1>());
|
|
EXPECT_TRUE(media_playlist_.WriteToFile(&file));
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, WriteToFileWithEncryptionInfoEmptyIv) {
|
|
valid_video_media_info_.set_reference_time_scale(90000);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
|
|
media_playlist_.AddEncryptionInfo(MediaPlaylist::EncryptionMethod::kSampleAes,
|
|
"http://example.com", "", "com.widevine",
|
|
"");
|
|
// 10 seconds.
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
// 30 seconds.
|
|
media_playlist_.AddSegment("file2.ts", 2700000, 5000000);
|
|
const std::string kExpectedOutput =
|
|
"#EXTM3U\n"
|
|
"#EXT-X-VERSION:4\n"
|
|
"#EXT-X-TARGETDURATION:30\n"
|
|
"#EXT-X-KEY:METHOD=SAMPLE-AES,"
|
|
"URI=\"http://example.com\",KEYFORMAT=\"com.widevine\"\n"
|
|
"#EXTINF:10.000\n"
|
|
"file1.ts\n"
|
|
"#EXTINF:30.000\n"
|
|
"file2.ts\n";
|
|
|
|
MockFile file;
|
|
EXPECT_CALL(file,
|
|
Write(MatchesString(kExpectedOutput), kExpectedOutput.size()))
|
|
.WillOnce(ReturnArg<1>());
|
|
EXPECT_TRUE(media_playlist_.WriteToFile(&file));
|
|
}
|
|
|
|
TEST_F(MediaPlaylistTest, RemoveOldestSegment) {
|
|
valid_video_media_info_.set_reference_time_scale(90000);
|
|
ASSERT_TRUE(media_playlist_.SetMediaInfo(valid_video_media_info_));
|
|
|
|
// 10 seconds.
|
|
media_playlist_.AddSegment("file1.ts", 900000, 1000000);
|
|
// 30 seconds.
|
|
media_playlist_.AddSegment("file2.ts", 2700000, 5000000);
|
|
media_playlist_.RemoveOldestSegment();
|
|
|
|
const std::string kExpectedOutput =
|
|
"#EXTM3U\n"
|
|
"#EXT-X-VERSION:4\n"
|
|
"#EXT-X-TARGETDURATION:30\n"
|
|
"#EXTINF:30.000\n"
|
|
"file2.ts\n";
|
|
|
|
MockFile file;
|
|
EXPECT_CALL(file,
|
|
Write(MatchesString(kExpectedOutput), kExpectedOutput.size()))
|
|
.WillOnce(ReturnArg<1>());
|
|
EXPECT_TRUE(media_playlist_.WriteToFile(&file));
|
|
}
|
|
|
|
} // namespace hls
|
|
} // namespace edash_packager
|