Add TsSegmenter class

- Multi-file segmenter implementation.
- The samples are passed to PesPacketGenerator to generate PesPackets.
  PesPackets are passed to TsWriter to write them to file.

Issue #84

Change-Id: Ia4cae2abe2e7df46016dcdb791baaab2818aea03
This commit is contained in:
Rintaro Kuroiwa 2016-03-21 12:16:58 -07:00
parent 25a3fec213
commit ccc2dc46d8
6 changed files with 612 additions and 13 deletions

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@ -22,10 +22,10 @@
'es_parser.h',
'mp2t_media_parser.cc',
'mp2t_media_parser.h',
'pes_packet_generator.cc',
'pes_packet_generator.h',
'pes_packet.cc',
'pes_packet.h',
'pes_packet_generator.cc',
'pes_packet_generator.h',
'ts_packet.cc',
'ts_packet.h',
'ts_section_pat.cc',
@ -36,6 +36,8 @@
'ts_section_pmt.h',
'ts_section_psi.cc',
'ts_section_psi.h',
'ts_segmenter.cc',
'ts_segmenter.h',
'ts_writer.cc',
'ts_writer.h',
],
@ -54,6 +56,7 @@
'es_parser_h264_unittest.cc',
'mp2t_media_parser_unittest.cc',
'pes_packet_generator_unittest.cc',
'ts_segmenter_unittest.cc',
'ts_writer_unittest.cc',
],
'dependencies': [

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@ -29,38 +29,39 @@ namespace mp2t {
class PesPacket;
/// Generates PesPackets from MediaSamples.
/// Methods are virtual for mocking.
class PesPacketGenerator {
public:
PesPacketGenerator();
~PesPacketGenerator();
virtual ~PesPacketGenerator();
/// Initialize the object. This clears the internal state first so any
/// PesPackets that have not been flushed will be lost.
/// @param stream is the stream info for the elementary stream that will be
/// added via PushSample().
/// @return true on success, false otherwise.
bool Initialize(const StreamInfo& stream);
virtual bool Initialize(const StreamInfo& stream);
/// Add a sample to the generator. This does not necessarily increase
/// NumberOfReadyPesPackets().
/// If this returns false, the object may end up in an undefined state.
/// @return true on success, false otherwise.
bool PushSample(scoped_refptr<MediaSample> sample);
virtual bool PushSample(scoped_refptr<MediaSample> sample);
/// @return The number of PES packets that are ready to be consumed.
size_t NumberOfReadyPesPackets();
virtual size_t NumberOfReadyPesPackets();
/// Removes the next PES packet from the stream and returns it. Must have at
/// least one packet ready.
/// @return Next PES packet that is ready.
scoped_ptr<PesPacket> GetNextPesPacket();
virtual scoped_ptr<PesPacket> GetNextPesPacket();
/// Flush the object. This may create more PesPackets with the stored
/// samples.
/// It is safe to call NumberOfReadyPesPackets() and GetNextPesPacket() after
/// this.
/// @return true on success, false otherwise.
bool Flush();
virtual bool Flush();
private:
friend class PesPacketGeneratorTest;

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@ -0,0 +1,129 @@
// 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 "packager/media/formats/mp2t/ts_segmenter.h"
#include <memory>
#include "packager/media/base/muxer_util.h"
#include "packager/media/base/status.h"
namespace edash_packager {
namespace media {
namespace mp2t {
namespace {
const int kTsTimescale = 90000;
} // namespace
TsSegmenter::TsSegmenter(const MuxerOptions& options)
: muxer_options_(options),
ts_writer_(new TsWriter()),
pes_packet_generator_(new PesPacketGenerator()) {}
TsSegmenter::~TsSegmenter() {}
Status TsSegmenter::Initialize(const StreamInfo& stream_info) {
if (muxer_options_.segment_template.empty())
return Status(error::MUXER_FAILURE, "Segment template not specified.");
if (!ts_writer_->Initialize(stream_info))
return Status(error::MUXER_FAILURE, "Failed to initialize TsWriter.");
if (!pes_packet_generator_->Initialize(stream_info)) {
return Status(error::MUXER_FAILURE,
"Failed to initialize PesPacketGenerator.");
}
return Status::OK;
}
Status TsSegmenter::Finalize() {
if (!pes_packet_generator_->Flush()) {
return Status(error::MUXER_FAILURE,
"Failed to finalize PesPacketGenerator.");
}
Status status = WritePesPacketsToFiles();
if (!status.ok())
return status;
if (!ts_writer_file_opened_)
return Status::OK;
if (!ts_writer_->FinalizeSegment())
return Status(error::MUXER_FAILURE, "Failed to finalize TsPacketWriter.");
ts_writer_file_opened_ = false;
return Status::OK;
}
Status TsSegmenter::AddSample(scoped_refptr<MediaSample> sample) {
if (!pes_packet_generator_->PushSample(sample)) {
return Status(error::MUXER_FAILURE,
"Failed to add sample to PesPacketGenerator.");
}
// TODO(rkuriowa): Only segment files before a key frame.
return WritePesPacketsToFiles();
}
void TsSegmenter::InjectTsWriterForTesting(scoped_ptr<TsWriter> writer) {
ts_writer_ = writer.Pass();
}
void TsSegmenter::InjectPesPacketGeneratorForTesting(
scoped_ptr<PesPacketGenerator> generator) {
pes_packet_generator_ = generator.Pass();
}
void TsSegmenter::SetTsWriterFileOpenedForTesting(bool value) {
ts_writer_file_opened_ = value;
}
Status TsSegmenter::FinalizeSegmentIfPastSegmentDuration() {
if (current_segment_duration_ > muxer_options_.segment_duration) {
if (!ts_writer_->FinalizeSegment())
return Status(error::FILE_FAILURE, "Failed to finalize segment.");
ts_writer_file_opened_ = false;
current_segment_duration_ = 0.0;
}
return Status::OK;
}
Status TsSegmenter::OpenNewSegmentIfClosed(uint32_t next_pts) {
if (ts_writer_file_opened_)
return Status::OK;
const std::string segment_name =
GetSegmentName(muxer_options_.segment_template, next_pts,
segment_number_++, muxer_options_.bandwidth);
if (!ts_writer_->NewSegment(segment_name))
return Status(error::MUXER_FAILURE, "Failed to initilize TsPacketWriter.");
ts_writer_file_opened_ = true;
return Status::OK;
}
Status TsSegmenter::WritePesPacketsToFiles() {
while (pes_packet_generator_->NumberOfReadyPesPackets() > 0u) {
scoped_ptr<PesPacket> pes_packet =
pes_packet_generator_->GetNextPesPacket();
Status status = OpenNewSegmentIfClosed(pes_packet->pts());
if (!status.ok())
return status;
const double pes_packet_duration = pes_packet->duration();
if (!ts_writer_->AddPesPacket(pes_packet.Pass()))
return Status(error::MUXER_FAILURE, "Failed to add PES packet.");
current_segment_duration_ += pes_packet_duration / kTsTimescale;
status = FinalizeSegmentIfPastSegmentDuration();
if (!status.ok())
return status;
}
return Status::OK;
}
} // namespace mp2t
} // namespace media
} // namespace edash_packager

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@ -0,0 +1,84 @@
// 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
#ifndef PACKAGER_MEDIA_FORMATS_MP2T_TS_SEGMENTER_H_
#define PACKAGER_MEDIA_FORMATS_MP2T_TS_SEGMENTER_H_
#include "packager/base/memory/scoped_ptr.h"
#include "packager/media/base/media_stream.h"
#include "packager/media/base/muxer_options.h"
#include "packager/media/base/status.h"
#include "packager/media/file/file.h"
#include "packager/media/formats/mp2t/pes_packet_generator.h"
#include "packager/media/formats/mp2t/ts_writer.h"
namespace edash_packager {
namespace media {
namespace mp2t {
// TODO(rkuroiwa): For now, this implements multifile segmenter. Like other
// make this an abstract super class and implement multifile and single file
// segmenters.
class TsSegmenter {
public:
/// @param options is the options for this muxer. This must stay valid
/// throughout the life time of the instance.
explicit TsSegmenter(const MuxerOptions& options);
~TsSegmenter();
/// Initialize the object.
/// @param stream_info is the stream info for the segmenter.
/// @return OK on success.
Status Initialize(const StreamInfo& stream_info);
/// Finalize the segmenter.
/// @return OK on success.
Status Finalize();
/// @param sample gets added to this object.
/// @return OK on success.
Status AddSample(scoped_refptr<MediaSample> sample);
/// Only for testing.
void InjectTsWriterForTesting(scoped_ptr<TsWriter> writer);
/// Only for testing.
void InjectPesPacketGeneratorForTesting(
scoped_ptr<PesPacketGenerator> generator);
/// Only for testing.
void SetTsWriterFileOpenedForTesting(bool value);
private:
Status FinalizeSegmentIfPastSegmentDuration();
Status OpenNewSegmentIfClosed(uint32_t next_pts);
// Writes PES packets (carried in TsPackets) to file(s). This will
// segment appropriately. The state of file may be open or closed after
// calling this.
Status WritePesPacketsToFiles();
const MuxerOptions& muxer_options_;
// in seconds.
double current_segment_duration_ = 0.0;
// Used for segment template.
uint64_t segment_number_ = 0;
scoped_ptr<TsWriter> ts_writer_;
// Set to true if TsWriter::NewFile() succeeds, set to false after
// TsWriter::FinalizeFile() succeeds.
bool ts_writer_file_opened_ = false;
scoped_ptr<PesPacketGenerator> pes_packet_generator_;
DISALLOW_COPY_AND_ASSIGN(TsSegmenter);
};
} // namespace mp2t
} // namespace media
} // namespace edash_packager
#endif // PACKAGER_MEDIA_FORMATS_MP2T_TS_SEGMENTER_H_

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@ -0,0 +1,382 @@
// 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/base/audio_stream_info.h"
#include "packager/media/base/test/status_test_util.h"
#include "packager/media/base/video_stream_info.h"
#include "packager/media/formats/mp2t/ts_segmenter.h"
namespace edash_packager {
namespace media {
namespace mp2t {
using ::testing::InSequence;
using ::testing::Return;
using ::testing::Sequence;
using ::testing::StrEq;
using ::testing::_;
namespace {
// All data here is bogus. They are used to create VideoStreamInfo but the
// actual values don't matter at all.
const bool kIsKeyFrame = true;
const VideoCodec kH264VideoCodec = VideoCodec::kCodecH264;
const uint8_t kExtraData[] = {
0x00,
};
const int kTrackId = 0;
const uint32_t kTimeScale = 90000;
const uint64_t kDuration = 180000;
const char kCodecString[] = "avc1";
const char kLanguage[] = "eng";
const uint32_t kWidth = 1280;
const uint32_t kHeight = 720;
const uint32_t kPixelWidth = 1;
const uint32_t kPixelHeight = 1;
const uint16_t kTrickPlayRate = 1;
const uint8_t kNaluLengthSize = 1;
const bool kIsEncrypted = false;
class MockPesPacketGenerator : public PesPacketGenerator {
public:
MOCK_METHOD1(Initialize, bool(const StreamInfo& info));
MOCK_METHOD1(PushSample, bool(scoped_refptr<MediaSample> sample));
MOCK_METHOD0(NumberOfReadyPesPackets, size_t());
// Hack found at the URL below for mocking methods that return scoped_ptr.
// https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/01sDxsJ1OYw
MOCK_METHOD0(GetNextPesPacketMock, PesPacket*());
scoped_ptr<PesPacket> GetNextPesPacket() override {
return scoped_ptr<PesPacket>(GetNextPesPacketMock());
}
MOCK_METHOD0(Flush, bool());
};
class MockTsWriter : public TsWriter {
public:
MOCK_METHOD1(Initialize, bool(const StreamInfo& stream_info));
MOCK_METHOD1(NewSegment, bool(const std::string& file_name));
MOCK_METHOD0(FinalizeSegment, bool());
// Similar to the hack above but takes a scoped_ptr.
MOCK_METHOD1(AddPesPacketMock, bool(PesPacket* pes_packet));
bool AddPesPacket(scoped_ptr<PesPacket> pes_packet) override {
// No need to keep the pes packet around for the current tests.
return AddPesPacketMock(pes_packet.get());
}
MOCK_METHOD0(NotifyReinjectPsi, bool());
MOCK_CONST_METHOD0(TimeScale, uint32_t());
};
} // namespace
class TsSegmenterTest : public ::testing::Test {
protected:
void SetUp() override {
mock_ts_writer_.reset(new MockTsWriter());
mock_pes_packet_generator_.reset(new MockPesPacketGenerator());
}
scoped_ptr<MockTsWriter> mock_ts_writer_;
scoped_ptr<MockPesPacketGenerator> mock_pes_packet_generator_;
};
TEST_F(TsSegmenterTest, Initialize) {
scoped_refptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
kTrackId, kTimeScale, kDuration, kH264VideoCodec, kCodecString, kLanguage,
kWidth, kHeight, kPixelWidth, kPixelHeight, kTrickPlayRate,
kNaluLengthSize, kExtraData, arraysize(kExtraData), kIsEncrypted));
MuxerOptions options;
options.segment_template = "file$Number$.ts";
TsSegmenter segmenter(options);
EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
.WillOnce(Return(true));
segmenter.InjectTsWriterForTesting(mock_ts_writer_.Pass());
segmenter.InjectPesPacketGeneratorForTesting(
mock_pes_packet_generator_.Pass());
EXPECT_OK(segmenter.Initialize(*stream_info));
}
TEST_F(TsSegmenterTest, AddSample) {
scoped_refptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
kTrackId, kTimeScale, kDuration, kH264VideoCodec, kCodecString, kLanguage,
kWidth, kHeight, kPixelWidth, kPixelHeight, kTrickPlayRate,
kNaluLengthSize, kExtraData, arraysize(kExtraData), kIsEncrypted));
MuxerOptions options;
options.segment_duration = 10.0;
options.segment_template = "file$Number$.ts";
TsSegmenter segmenter(options);
ON_CALL(*mock_ts_writer_, TimeScale())
.WillByDefault(Return(kTimeScale));
EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
.WillOnce(Return(true));
const uint8_t kAnyData[] = {
0x01, 0x0F, 0x3C,
};
scoped_refptr<MediaSample> sample =
MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
Sequence writer_sequence;
EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file1.ts")))
.InSequence(writer_sequence)
.WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, PushSample(_))
.WillOnce(Return(true));
Sequence ready_pes_sequence;
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(_))
.WillOnce(Return(true));
// The pointer is released inside the segmenter.
PesPacket* pes = new PesPacket();
pes->set_duration(kTimeScale);
EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
.WillOnce(Return(pes));
segmenter.InjectTsWriterForTesting(mock_ts_writer_.Pass());
segmenter.InjectPesPacketGeneratorForTesting(
mock_pes_packet_generator_.Pass());
EXPECT_OK(segmenter.Initialize(*stream_info));
EXPECT_OK(segmenter.AddSample(sample));
}
// Verify the case where the segment is long enough and the current segment
// should be closed.
TEST_F(TsSegmenterTest, PastSegmentDuration) {
scoped_refptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
kTrackId, kTimeScale, kDuration, kH264VideoCodec, kCodecString, kLanguage,
kWidth, kHeight, kPixelWidth, kPixelHeight, kTrickPlayRate,
kNaluLengthSize, kExtraData, arraysize(kExtraData), kIsEncrypted));
MuxerOptions options;
options.segment_duration = 10.0;
options.segment_template = "file$Number$.ts";
TsSegmenter segmenter(options);
ON_CALL(*mock_ts_writer_, TimeScale())
.WillByDefault(Return(kTimeScale));
EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
.WillOnce(Return(true));
const uint8_t kAnyData[] = {
0x01, 0x0F, 0x3C,
};
scoped_refptr<MediaSample> sample =
MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
Sequence writer_sequence;
EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file1.ts")))
.InSequence(writer_sequence)
.WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, PushSample(_)).WillOnce(Return(true));
Sequence ready_pes_sequence;
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_, FinalizeSegment())
.InSequence(writer_sequence)
.WillOnce(Return(true));
EXPECT_CALL(*mock_ts_writer_, AddPesPacketMock(_))
.WillOnce(Return(true));
// The pointer is released inside the segmenter.
PesPacket* pes = new PesPacket();
// 11 seconds > 10 seconds (segment duration).
// Expect the segment to be finalized.
pes->set_duration(11 * kTimeScale);
EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
.WillOnce(Return(pes));
segmenter.InjectTsWriterForTesting(mock_ts_writer_.Pass());
segmenter.InjectPesPacketGeneratorForTesting(
mock_pes_packet_generator_.Pass());
EXPECT_OK(segmenter.Initialize(*stream_info));
EXPECT_OK(segmenter.AddSample(sample));
}
// Finalize right after Initialize(). The writer will not be initialized.
TEST_F(TsSegmenterTest, InitializeThenFinalize) {
scoped_refptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
kTrackId, kTimeScale, kDuration, kH264VideoCodec, kCodecString, kLanguage,
kWidth, kHeight, kPixelWidth, kPixelHeight, kTrickPlayRate,
kNaluLengthSize, kExtraData, arraysize(kExtraData), kIsEncrypted));
MuxerOptions options;
options.segment_duration = 10.0;
options.segment_template = "file$Number$.ts";
TsSegmenter segmenter(options);
EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
.WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Flush()).WillOnce(Return(true));
segmenter.InjectTsWriterForTesting(mock_ts_writer_.Pass());
segmenter.InjectPesPacketGeneratorForTesting(
mock_pes_packet_generator_.Pass());
EXPECT_OK(segmenter.Initialize(*stream_info));
EXPECT_OK(segmenter.Finalize());
}
// Verify the "normal" case where samples have been added and the writer has
// been initialized.
// The test does not really add any samples but instead simulates an initialized
// writer with a mock.
TEST_F(TsSegmenterTest, Finalize) {
scoped_refptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
kTrackId, kTimeScale, kDuration, kH264VideoCodec, kCodecString, kLanguage,
kWidth, kHeight, kPixelWidth, kPixelHeight, kTrickPlayRate,
kNaluLengthSize, kExtraData, arraysize(kExtraData), kIsEncrypted));
MuxerOptions options;
options.segment_duration = 10.0;
options.segment_template = "file$Number$.ts";
TsSegmenter segmenter(options);
EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
.WillOnce(Return(true));
InSequence s;
EXPECT_CALL(*mock_pes_packet_generator_, Flush()).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
.WillOnce(Return(0u));
EXPECT_CALL(*mock_ts_writer_, FinalizeSegment()).WillOnce(Return(true));
segmenter.InjectTsWriterForTesting(mock_ts_writer_.Pass());
segmenter.InjectPesPacketGeneratorForTesting(
mock_pes_packet_generator_.Pass());
EXPECT_OK(segmenter.Initialize(*stream_info));
segmenter.SetTsWriterFileOpenedForTesting(true);
EXPECT_OK(segmenter.Finalize());
}
// Verify that it can generate multiple segments.
TEST_F(TsSegmenterTest, MultipleSegments) {
scoped_refptr<VideoStreamInfo> stream_info(new VideoStreamInfo(
kTrackId, kTimeScale, kDuration, kH264VideoCodec, kCodecString, kLanguage,
kWidth, kHeight, kPixelWidth, kPixelHeight, kTrickPlayRate,
kNaluLengthSize, kExtraData, arraysize(kExtraData), kIsEncrypted));
MuxerOptions options;
options.segment_duration = 10.0;
options.segment_template = "file$Number$.ts";
TsSegmenter segmenter(options);
ON_CALL(*mock_ts_writer_, TimeScale())
.WillByDefault(Return(kTimeScale));
EXPECT_CALL(*mock_ts_writer_, Initialize(_)).WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, Initialize(_))
.WillOnce(Return(true));
const uint8_t kAnyData[] = {
0x01, 0x0F, 0x3C,
};
scoped_refptr<MediaSample> sample =
MediaSample::CopyFrom(kAnyData, arraysize(kAnyData), kIsKeyFrame);
EXPECT_CALL(*mock_pes_packet_generator_, PushSample(_))
.Times(2)
.WillRepeatedly(Return(true));
Sequence writer_sequence;
EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file1.ts")))
.InSequence(writer_sequence)
.WillOnce(Return(true));
Sequence ready_pes_sequence;
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
.InSequence(ready_pes_sequence)
.WillOnce(Return(1u));
// The pointer is released inside the segmenter.
PesPacket* pes = new PesPacket();
// 11 seconds > 10 seconds (segment duration).
// Expect the segment to be finalized.
pes->set_duration(11 * kTimeScale);
EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
.InSequence(ready_pes_sequence)
.WillOnce(Return(pes));
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
.InSequence(ready_pes_sequence)
.WillOnce(Return(0u));
EXPECT_CALL(*mock_ts_writer_, AddPesPacketMock(_))
.InSequence(writer_sequence)
.WillOnce(Return(true));
EXPECT_CALL(*mock_ts_writer_, FinalizeSegment())
.InSequence(writer_sequence)
.WillOnce(Return(true));
// Expectations for second AddSample() for the second segment.
EXPECT_CALL(*mock_ts_writer_, NewSegment(StrEq("file2.ts")))
.InSequence(writer_sequence)
.WillOnce(Return(true));
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
.InSequence(ready_pes_sequence)
.WillOnce(Return(1u));
// The pointer is released inside the segmenter.
pes = new PesPacket();
// 7 < 10 seconds, If FinalizeSegment() is called AddSample will fail (due to
// mock returning false by default).
pes->set_duration(7 * kTimeScale);
EXPECT_CALL(*mock_pes_packet_generator_, GetNextPesPacketMock())
.InSequence(ready_pes_sequence)
.WillOnce(Return(pes));
EXPECT_CALL(*mock_pes_packet_generator_, NumberOfReadyPesPackets())
.InSequence(ready_pes_sequence)
.WillOnce(Return(0u));
EXPECT_CALL(*mock_ts_writer_, AddPesPacketMock(_))
.InSequence(writer_sequence)
.WillOnce(Return(true));
segmenter.InjectTsWriterForTesting(mock_ts_writer_.Pass());
segmenter.InjectPesPacketGeneratorForTesting(
mock_pes_packet_generator_.Pass());
EXPECT_OK(segmenter.Initialize(*stream_info));
EXPECT_OK(segmenter.AddSample(sample));
EXPECT_OK(segmenter.AddSample(sample));
}
} // namespace mp2t
} // namespace media
} // namespace edash_packager

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@ -41,27 +41,27 @@ class ContinuityCounter {
class TsWriter {
public:
TsWriter();
~TsWriter();
virtual ~TsWriter();
/// This must be called before calling other methods.
/// @return true on success, false otherwise.
bool Initialize(const StreamInfo& stream_info);
virtual bool Initialize(const StreamInfo& stream_info);
/// This will fail if the current segment is not finalized.
/// @param file_name is the output file name.
/// @return true on success, false otherwise.
bool NewSegment(const std::string& file_name);
virtual bool NewSegment(const std::string& file_name);
/// Flush all the pending PesPackets that have not been written to file and
/// close the file.
/// @return true on success, false otherwise.
bool FinalizeSegment();
virtual bool FinalizeSegment();
/// Add PesPacket to the instance. PesPacket might not get written to file
/// immediately.
/// @param pes_packet gets added to the writer.
/// @return true on success, false otherwise.
bool AddPesPacket(scoped_ptr<PesPacket> pes_packet);
virtual bool AddPesPacket(scoped_ptr<PesPacket> pes_packet);
private:
std::vector<uint8_t> psi_ts_packets_;