515 lines
20 KiB
C++
515 lines
20 KiB
C++
// Copyright 2016 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 <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "packager/media/base/audio_stream_info.h"
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#include "packager/media/base/fixed_key_source.h"
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#include "packager/media/base/test/status_test_util.h"
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#include "packager/media/base/video_stream_info.h"
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#include "packager/media/event/mock_muxer_listener.h"
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#include "packager/media/formats/mp2t/ts_segmenter.h"
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namespace shaka {
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namespace media {
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namespace mp2t {
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using ::testing::InSequence;
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using ::testing::Return;
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using ::testing::Sequence;
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using ::testing::StrEq;
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using ::testing::_;
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namespace {
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// All data here is bogus. They are used to create VideoStreamInfo but the
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// actual values don't matter at all.
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const bool kIsKeyFrame = true;
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const Codec kH264Codec = Codec::kCodecH264;
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const uint8_t kExtraData[] = {
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0x00,
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};
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const int kTrackId = 0;
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const uint32_t kTimeScale = 90000;
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const uint64_t kDuration = 180000;
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const char kCodecString[] = "avc1";
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const char kLanguage[] = "eng";
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const uint32_t kWidth = 1280;
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const uint32_t kHeight = 720;
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const uint32_t kPixelWidth = 1;
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const uint32_t kPixelHeight = 1;
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const uint16_t kTrickPlayRate = 1;
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const uint8_t kNaluLengthSize = 1;
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const bool kIsEncrypted = false;
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const uint8_t kAnyData[] = {
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0x01, 0x0F, 0x3C,
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};
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class MockPesPacketGenerator : public PesPacketGenerator {
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public:
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MOCK_METHOD1(Initialize, bool(const StreamInfo& info));
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MOCK_METHOD1(PushSample, bool(std::shared_ptr<MediaSample> sample));
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MOCK_METHOD1(SetEncryptionKeyMock, bool(EncryptionKey* encryption_key));
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bool SetEncryptionKey(
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std::unique_ptr<EncryptionKey> encryption_key) override {
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return SetEncryptionKeyMock(encryption_key.get());
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}
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MOCK_METHOD0(NumberOfReadyPesPackets, size_t());
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// Hack found at the URL below for mocking methods that return
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// std::unique_ptr.
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// https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/01sDxsJ1OYw
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MOCK_METHOD0(GetNextPesPacketMock, PesPacket*());
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std::unique_ptr<PesPacket> GetNextPesPacket() override {
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return std::unique_ptr<PesPacket>(GetNextPesPacketMock());
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}
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MOCK_METHOD0(Flush, bool());
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};
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class MockTsWriter : public TsWriter {
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public:
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MOCK_METHOD1(Initialize, bool(const StreamInfo& stream_info));
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MOCK_METHOD1(NewSegment, bool(const std::string& file_name));
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MOCK_METHOD0(SignalEncrypted, void());
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MOCK_METHOD0(FinalizeSegment, bool());
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// Similar to the hack above but takes a std::unique_ptr.
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MOCK_METHOD1(AddPesPacketMock, bool(PesPacket* pes_packet));
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bool AddPesPacket(std::unique_ptr<PesPacket> pes_packet) override {
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// No need to keep the pes packet around for the current tests.
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return AddPesPacketMock(pes_packet.get());
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}
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};
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// TODO(rkuroiwa): Add mock_key_source.{h,cc} in media/base.
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class MockKeySource : public FixedKeySource {
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public:
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MOCK_METHOD2(GetKey, Status(TrackType track_type, EncryptionKey* key));
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};
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} // namespace
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class TsSegmenterTest : public ::testing::Test {
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protected:
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void SetUp() override {
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mock_ts_writer_.reset(new MockTsWriter());
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mock_pes_packet_generator_.reset(new MockPesPacketGenerator());
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}
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std::unique_ptr<MockTsWriter> mock_ts_writer_;
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std::unique_ptr<MockPesPacketGenerator> mock_pes_packet_generator_;
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};
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TEST_F(TsSegmenterTest, Initialize) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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options.segment_template = "file$Number$.ts";
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TsSegmenter segmenter(options, nullptr);
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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EXPECT_OK(segmenter.Initialize(*stream_info, nullptr, 0, 0, 0, 0));
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}
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TEST_F(TsSegmenterTest, AddSample) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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options.segment_template = "file$Number$.ts";
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TsSegmenter segmenter(options, nullptr);
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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std::shared_ptr<MediaSample> sample =
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MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
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Sequence writer_sequence;
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EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file1.ts")))
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.InSequence(writer_sequence)
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, PushSample(_))
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.WillOnce(Return(true));
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Sequence ready_pes_sequence;
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(1u));
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(0u));
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EXPECT_CALL(*mock_ts_writer_, AddPesPacketMock(_))
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.WillOnce(Return(true));
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// The pointer is released inside the segmenter.
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EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
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.WillOnce(Return(new PesPacket()));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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EXPECT_OK(segmenter.Initialize(*stream_info, nullptr, 0, 0, 0, 0));
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EXPECT_OK(segmenter.AddSample(sample));
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}
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// This will add one sample then finalize segment then add another sample.
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TEST_F(TsSegmenterTest, PassedSegmentDuration) {
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// Use something significantly smaller than 90000 to check that the scaling is
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// done correctly in the segmenter.
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const uint32_t kInputTimescale = 1001;
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kInputTimescale, kDuration, kH264Codec, kCodecString,
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kExtraData, arraysize(kExtraData), kWidth, kHeight, kPixelWidth,
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kPixelHeight, kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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options.segment_template = "file$Number$.ts";
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MockMuxerListener mock_listener;
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TsSegmenter segmenter(options, &mock_listener);
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const uint32_t kFirstPts = 1000;
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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std::shared_ptr<MediaSample> sample1 =
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MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
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sample1->set_duration(kInputTimescale * 11);
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std::shared_ptr<MediaSample> sample2 =
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MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
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// Doesn't really matter how long this is.
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sample2->set_duration(kInputTimescale * 7);
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// (Finalize is not called at the end of this test so) Expect one segment
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// event. The length should be the same as the above sample that exceeds the
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// duration.
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EXPECT_CALL(mock_listener,
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OnNewSegment("file1.ts", kFirstPts * kTimeScale / kInputTimescale,
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kTimeScale * 11, _));
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Sequence writer_sequence;
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EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file1.ts")))
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.InSequence(writer_sequence)
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, PushSample(_))
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.Times(2)
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.WillRepeatedly(Return(true));
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Sequence ready_pes_sequence;
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// First AddSample().
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(1u));
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(0u));
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// When Flush() is called, inside second AddSample().
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(0u));
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// Still inside AddSample() but after Flush().
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(1u));
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.InSequence(ready_pes_sequence)
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.WillOnce(Return(0u));
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EXPECT_CALL(*mock_pes_packet_generator_, Flush())
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_ts_writer_, FinalizeSegment())
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.InSequence(writer_sequence)
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file2.ts")))
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.InSequence(writer_sequence)
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_ts_writer_, AddPesPacketMock(_))
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.Times(2)
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.WillRepeatedly(Return(true));
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// The pointers are released inside the segmenter.
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Sequence pes_packet_sequence;
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EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
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.InSequence(pes_packet_sequence)
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.WillOnce(Return(new PesPacket));
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EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
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.InSequence(pes_packet_sequence)
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.WillOnce(Return(new PesPacket()));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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EXPECT_OK(segmenter.Initialize(*stream_info, nullptr, 0, 0, 0, 0));
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EXPECT_OK(segmenter.AddSample(sample1));
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EXPECT_OK(segmenter.FinalizeSegment(kFirstPts, sample1->duration()));
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EXPECT_OK(segmenter.AddSample(sample2));
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}
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// Finalize right after Initialize(). The writer will not be initialized.
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TEST_F(TsSegmenterTest, InitializeThenFinalize) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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options.segment_template = "file$Number$.ts";
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TsSegmenter segmenter(options, nullptr);
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, Flush()).Times(0);
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ON_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.WillByDefault(Return(0));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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EXPECT_OK(segmenter.Initialize(*stream_info, nullptr, 0, 0, 0, 0));
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EXPECT_OK(segmenter.Finalize());
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}
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// Verify the "normal" case where samples have been added and the writer has
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// been initialized.
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// The test does not really add any samples but instead simulates an initialized
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// writer with a mock.
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TEST_F(TsSegmenterTest, FinalizeSegment) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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options.segment_template = "file$Number$.ts";
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TsSegmenter segmenter(options, nullptr);
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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InSequence s;
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EXPECT_CALL(*mock_pes_packet_generator_, Flush()).WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
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.WillOnce(Return(0u));
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EXPECT_CALL(*mock_ts_writer_, FinalizeSegment()).WillOnce(Return(true));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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EXPECT_OK(segmenter.Initialize(*stream_info, nullptr, 0, 0, 0, 0));
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segmenter.SetTsWriterFileOpenedForTesting(true);
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EXPECT_OK(segmenter.FinalizeSegment(0, 100 /* arbitrary duration */));
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}
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TEST_F(TsSegmenterTest, WithEncryptionNoClearLead) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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options.segment_template = "file$Number$.ts";
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MockMuxerListener mock_listener;
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EXPECT_CALL(mock_listener, OnEncryptionInfoReady(_, _, _, _, _));
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TsSegmenter segmenter(options, &mock_listener);
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_ts_writer_, SignalEncrypted());
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, SetEncryptionKeyMock(_))
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.WillOnce(Return(true));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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MockKeySource mock_key_source;
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EXPECT_CALL(mock_key_source, GetKey(KeySource::TRACK_TYPE_HD, _))
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.WillOnce(Return(Status::OK));
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const uint32_t k480pPixels = 640 * 480;
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const uint32_t k1080pPixels = 1920 * 1080;
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const uint32_t k2160pPixels = 4096 * 2160;
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// Set this to 0 so that Finalize will call
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// PesPacketGenerator::SetEncryptionKey().
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// Even tho no samples have been added.
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const double kClearLeadSeconds = 0;
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EXPECT_OK(segmenter.Initialize(*stream_info, &mock_key_source, k480pPixels,
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k1080pPixels, k2160pPixels,
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kClearLeadSeconds));
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}
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// Verify that the muxer listener pointer is not used without checking that it's
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// not null.
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TEST_F(TsSegmenterTest, WithEncryptionNoClearLeadNoMuxerListener) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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// options.segment_duration = 10.0;
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options.segment_template = "file$Number$.ts";
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TsSegmenter segmenter(options, nullptr);
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EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
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EXPECT_CALL(*mock_ts_writer_, SignalEncrypted());
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EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
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.WillOnce(Return(true));
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EXPECT_CALL(*mock_pes_packet_generator_, SetEncryptionKeyMock(_))
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.WillOnce(Return(true));
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segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
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segmenter.InjectPesPacketGeneratorForTesting(
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std::move(mock_pes_packet_generator_));
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MockKeySource mock_key_source;
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EXPECT_CALL(mock_key_source, GetKey(KeySource::TRACK_TYPE_HD, _))
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.WillOnce(Return(Status::OK));
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const uint32_t k480pPixels = 640 * 480;
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const uint32_t k1080pPixels = 1920 * 1080;
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const uint32_t k2160pPixels = 4096 * 2160;
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// Set this to 0 so that Finalize will call
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// PesPacketGenerator::SetEncryptionKey().
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// Even tho no samples have been added.
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const double kClearLeadSeconds = 0;
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EXPECT_OK(segmenter.Initialize(*stream_info, &mock_key_source, k480pPixels,
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k1080pPixels, k2160pPixels,
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kClearLeadSeconds));
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}
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// Verify that encryption notification is sent to objects after clear lead.
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TEST_F(TsSegmenterTest, WithEncryptionWithClearLead) {
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std::shared_ptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
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kTrackId, kTimeScale, kDuration, kH264Codec, kCodecString, kExtraData,
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arraysize(kExtraData), kWidth, kHeight, kPixelWidth, kPixelHeight,
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kTrickPlayRate, kNaluLengthSize, kLanguage, kIsEncrypted));
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MuxerOptions options;
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const uint32_t k1080pPixels = 1920 * 1080;
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const uint32_t k2160pPixels = 4096 * 2160;
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const double kClearLeadSeconds = 1.0;
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options.segment_template = "file$Number$.ts";
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MockMuxerListener mock_listener;
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TsSegmenter segmenter(options, &mock_listener);
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ON_CALL(*mock_ts_writer_, Initialize(_)).WillByDefault(Return(true));
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ON_CALL(*mock_ts_writer_, NewSegment(_)).WillByDefault(Return(true));
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ON_CALL(*mock_ts_writer_, FinalizeSegment()).WillByDefault(Return(true));
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ON_CALL(*mock_ts_writer_, AddPesPacketMock(_)).WillByDefault(Return(true));
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ON_CALL(*mock_pes_packet_generator_, Initialize(_))
|
|
.WillByDefault(Return(true));
|
|
ON_CALL(*mock_pes_packet_generator_, Flush()).WillByDefault(Return(true));
|
|
|
|
const uint8_t kAnyData[] = {
|
|
0x01, 0x0F, 0x3C,
|
|
};
|
|
std::shared_ptr<MediaSample> sample1 =
|
|
MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
|
|
sample1->set_duration(kTimeScale * 2);
|
|
std::shared_ptr<MediaSample> sample2 =
|
|
MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
|
|
sample2->set_duration(kTimeScale * 3);
|
|
|
|
EXPECT_CALL(*mock_pes_packet_generator_, PushSample(_))
|
|
.Times(2)
|
|
.WillRepeatedly(Return(true));
|
|
|
|
Sequence ready_pes_sequence;
|
|
// First AddSample().
|
|
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
|
|
.InSequence(ready_pes_sequence)
|
|
.WillOnce(Return(1u));
|
|
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
|
|
.InSequence(ready_pes_sequence)
|
|
.WillOnce(Return(0u));
|
|
// When Flush() is called, inside second AddSample().
|
|
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
|
|
.InSequence(ready_pes_sequence)
|
|
.WillOnce(Return(0u));
|
|
// Still inside AddSample() but after Flush().
|
|
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
|
|
.InSequence(ready_pes_sequence)
|
|
.WillOnce(Return(1u));
|
|
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
|
|
.InSequence(ready_pes_sequence)
|
|
.WillOnce(Return(0u));
|
|
|
|
EXPECT_CALL(*mock_ts_writer_, AddPesPacketMock(_))
|
|
.Times(2)
|
|
.WillRepeatedly(Return(true));
|
|
|
|
// The pointers are released inside the segmenter.
|
|
Sequence pes_packet_sequence;
|
|
EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
|
|
.InSequence(pes_packet_sequence)
|
|
.WillOnce(Return(new PesPacket()));
|
|
EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
|
|
.InSequence(pes_packet_sequence)
|
|
.WillOnce(Return(new PesPacket()));
|
|
|
|
MockPesPacketGenerator* mock_pes_packet_generator_raw =
|
|
mock_pes_packet_generator_.get();
|
|
|
|
MockTsWriter* mock_ts_writer_raw = mock_ts_writer_.get();
|
|
|
|
segmenter.InjectTsWriterForTesting(std::move(mock_ts_writer_));
|
|
segmenter.InjectPesPacketGeneratorForTesting(
|
|
std::move(mock_pes_packet_generator_));
|
|
|
|
MockKeySource mock_key_source;
|
|
// This should be called AFTER the first AddSample().
|
|
EXPECT_CALL(mock_key_source, GetKey(KeySource::TRACK_TYPE_HD, _))
|
|
.WillOnce(Return(Status::OK));
|
|
|
|
EXPECT_CALL(mock_listener, OnEncryptionInfoReady(_, _, _, _, _));
|
|
EXPECT_OK(segmenter.Initialize(*stream_info, &mock_key_source, 0,
|
|
k1080pPixels, k2160pPixels,
|
|
kClearLeadSeconds));
|
|
EXPECT_OK(segmenter.AddSample(sample1));
|
|
|
|
// Encryption should be setup after finalizing the first segment.
|
|
// These should be called when finalize segment is called.
|
|
EXPECT_CALL(mock_listener, OnEncryptionStart());
|
|
EXPECT_CALL(*mock_pes_packet_generator_raw, SetEncryptionKeyMock(_))
|
|
.WillOnce(Return(true));
|
|
EXPECT_CALL(*mock_ts_writer_raw, SignalEncrypted());
|
|
EXPECT_OK(segmenter.FinalizeSegment(0, sample1->duration()));
|
|
EXPECT_OK(segmenter.AddSample(sample2));
|
|
}
|
|
|
|
} // namespace mp2t
|
|
} // namespace media
|
|
} // namespace shaka
|