blob: 26ac2dedd0ad5f3f7e40b3edf1f6eaf216956809 [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/remoting/remote_demuxer_stream_adapter.h"
#include <memory>
#include <vector>
#include "base/callback_helpers.h"
#include "base/run_loop.h"
#include "media/base/decoder_buffer.h"
#include "media/base/demuxer_stream.h"
#include "media/remoting/fake_remoting_controller.h"
#include "media/remoting/fake_remoting_demuxer_stream_provider.h"
#include "media/remoting/rpc/proto_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::Invoke;
using testing::Return;
namespace media {
namespace remoting {
class MockRemoteDemuxerStreamAdapter {
public:
MockRemoteDemuxerStreamAdapter(
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> media_task_runner,
const std::string& name,
::media::DemuxerStream* demuxer_stream,
mojom::RemotingDataStreamSenderPtrInfo stream_sender_info,
mojo::ScopedDataPipeProducerHandle producer_handle)
: weak_factory_(this) {
rpc_broker_.reset(new RpcBroker(
base::Bind(&MockRemoteDemuxerStreamAdapter::OnSendMessageToSink,
weak_factory_.GetWeakPtr())));
demuxer_stream_adapter_.reset(new RemoteDemuxerStreamAdapter(
std::move(main_task_runner), std::move(media_task_runner), name,
demuxer_stream, rpc_broker_->GetWeakPtr(),
rpc_broker_->GetUniqueHandle(), std::move(stream_sender_info),
std::move(producer_handle),
base::Bind(&MockRemoteDemuxerStreamAdapter::OnError,
weak_factory_.GetWeakPtr())));
// Faking initialization with random callback handle to start mojo watcher.
demuxer_stream_adapter_->Initialize(3);
}
~MockRemoteDemuxerStreamAdapter() {
// Make sure unit tests that did not expect errors did not cause any errors.
EXPECT_TRUE(errors_.empty());
}
int rpc_handle() const { return demuxer_stream_adapter_->rpc_handle(); }
base::WeakPtr<MockRemoteDemuxerStreamAdapter> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void DoDuplicateInitialize() { demuxer_stream_adapter_->Initialize(999); }
void TakeErrors(std::vector<StopTrigger>* errors) {
errors->swap(errors_);
errors_.clear();
}
// Fake to signal that it's in reading state.
void FakeReadUntil(int read_until_count, int callback_handle) {
std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage());
rpc->set_handle(rpc_handle());
rpc->set_proc(pb::RpcMessage::RPC_DS_READUNTIL);
auto* read_message = rpc->mutable_demuxerstream_readuntil_rpc();
read_message->set_callback_handle(
callback_handle); // Given an unique callback handle.
read_message->set_count(read_until_count); // Request 1 frame
demuxer_stream_adapter_->OnReceivedRpc(std::move(rpc));
}
void OnNewBuffer(const scoped_refptr<::media::DecoderBuffer>& frame) {
demuxer_stream_adapter_->OnNewBuffer(DemuxerStream::kOk, frame);
}
void SignalFlush(bool flush) { demuxer_stream_adapter_->SignalFlush(flush); }
pb::RpcMessage* last_received_rpc() const { return last_received_rpc_.get(); }
private:
void OnSendMessageToSink(std::unique_ptr<std::vector<uint8_t>> message) {
last_received_rpc_.reset(new remoting::pb::RpcMessage());
CHECK(last_received_rpc_->ParseFromArray(message->data(), message->size()));
}
void OnError(StopTrigger stop_trigger) { errors_.push_back(stop_trigger); }
std::unique_ptr<RpcBroker> rpc_broker_;
std::unique_ptr<RemoteDemuxerStreamAdapter> demuxer_stream_adapter_;
std::unique_ptr<remoting::pb::RpcMessage> last_received_rpc_;
std::vector<StopTrigger> errors_;
base::WeakPtrFactory<MockRemoteDemuxerStreamAdapter> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(MockRemoteDemuxerStreamAdapter);
};
class RemoteDemuxerStreamAdapterTest : public ::testing::Test {
public:
RemoteDemuxerStreamAdapterTest() {}
~RemoteDemuxerStreamAdapterTest() override = default;
void SetUpDataPipe() {
constexpr size_t kDataPipeCapacity = 256;
demuxer_stream_.reset(new DummyDemuxerStream(true)); // audio.
const MojoCreateDataPipeOptions data_pipe_options{
sizeof(MojoCreateDataPipeOptions),
MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, 1, kDataPipeCapacity};
mojom::RemotingDataStreamSenderPtr stream_sender;
mojo::ScopedDataPipeProducerHandle producer_end;
mojo::ScopedDataPipeConsumerHandle consumer_end;
CHECK_EQ(
MOJO_RESULT_OK,
mojo::CreateDataPipe(&data_pipe_options, &producer_end, &consumer_end));
data_stream_sender_.reset(new FakeRemotingDataStreamSender(
MakeRequest(&stream_sender), std::move(consumer_end)));
demuxer_stream_adapter_.reset(new MockRemoteDemuxerStreamAdapter(
message_loop_.task_runner(), message_loop_.task_runner(), "test",
demuxer_stream_.get(), stream_sender.PassInterface(),
std::move(producer_end)));
// RemoteDemuxerStreamAdapter constructor posts task to main thread to
// register MessageReceiverCallback. Therefore it should call
// RunPendingTasks() to make sure task is executed.
RunPendingTasks();
}
void TearDown() override { base::RunLoop().RunUntilIdle(); }
void RunPendingTasks() { base::RunLoop().RunUntilIdle(); }
protected:
void SetUp() override { SetUpDataPipe(); }
// TODO(miu): Add separate media thread, to test threading also.
base::MessageLoop message_loop_;
std::unique_ptr<DummyDemuxerStream> demuxer_stream_;
std::unique_ptr<FakeRemotingDataStreamSender> data_stream_sender_;
std::unique_ptr<MockRemoteDemuxerStreamAdapter> demuxer_stream_adapter_;
private:
DISALLOW_COPY_AND_ASSIGN(RemoteDemuxerStreamAdapterTest);
};
TEST_F(RemoteDemuxerStreamAdapterTest, SingleReadUntil) {
// Read will be called once since it doesn't return frame buffer in the dummy
// implementation.
EXPECT_CALL(*demuxer_stream_, Read(_)).Times(1);
demuxer_stream_adapter_->FakeReadUntil(3, 999);
RunPendingTasks();
}
TEST_F(RemoteDemuxerStreamAdapterTest, MultiReadUntil) {
// Read will be called once since it doesn't return frame buffer in the dummy
// implementation, and 2nd one will not proceed when there is ongoing read.
EXPECT_CALL(*demuxer_stream_, Read(_)).Times(1);
demuxer_stream_adapter_->FakeReadUntil(1, 100);
RunPendingTasks();
demuxer_stream_adapter_->FakeReadUntil(2, 101);
RunPendingTasks();
}
TEST_F(RemoteDemuxerStreamAdapterTest, WriteOneFrameSmallerThanCapacity) {
// Sends a frame with size 50 bytes, pts = 1 and key frame.
demuxer_stream_->CreateFakeFrame(50, true, 1 /* pts */);
demuxer_stream_adapter_->FakeReadUntil(1, 999);
RunPendingTasks();
// Checks if it's sent to consumer side and data is correct
ASSERT_EQ(data_stream_sender_->send_frame_count(), 1U);
ASSERT_EQ(data_stream_sender_->consume_data_chunk_count(), 1U);
ASSERT_TRUE(data_stream_sender_->ValidateFrameBuffer(0, 50, true, 1));
pb::RpcMessage* last_rpc = demuxer_stream_adapter_->last_received_rpc();
ASSERT_TRUE(last_rpc);
ASSERT_EQ(last_rpc->proc(), pb::RpcMessage::RPC_DS_READUNTIL_CALLBACK);
ASSERT_EQ(last_rpc->handle(), 999);
data_stream_sender_->ResetHistory();
}
TEST_F(RemoteDemuxerStreamAdapterTest, WriteOneFrameLargerThanCapacity) {
// Sends a frame with size 800 bytes, pts = 1 and key frame.
demuxer_stream_->CreateFakeFrame(800, true, 1 /* pts */);
demuxer_stream_adapter_->FakeReadUntil(1, 999);
RunPendingTasks();
// Checks if it's sent to consumer side and data is correct
ASSERT_EQ(data_stream_sender_->send_frame_count(), 1U);
ASSERT_EQ(data_stream_sender_->consume_data_chunk_count(), 4U);
ASSERT_TRUE(data_stream_sender_->ValidateFrameBuffer(0, 800, true, 1));
pb::RpcMessage* last_rpc = demuxer_stream_adapter_->last_received_rpc();
ASSERT_TRUE(last_rpc);
ASSERT_EQ(last_rpc->proc(), pb::RpcMessage::RPC_DS_READUNTIL_CALLBACK);
ASSERT_EQ(last_rpc->handle(), 999);
data_stream_sender_->ResetHistory();
}
TEST_F(RemoteDemuxerStreamAdapterTest, SendFrameAndSignalFlushMix) {
// Sends a frame with size 50 bytes, pts = 1 and key frame.
demuxer_stream_->CreateFakeFrame(50, true, 1 /* pts */);
// Issues ReadUntil request with frame count up to 1 (fetch #0).
demuxer_stream_adapter_->FakeReadUntil(1, 100);
RunPendingTasks();
ASSERT_EQ(data_stream_sender_->send_frame_count(), 1U);
ASSERT_TRUE(data_stream_sender_->ValidateFrameBuffer(0, 50, true, 1));
pb::RpcMessage* last_rpc = demuxer_stream_adapter_->last_received_rpc();
ASSERT_TRUE(last_rpc);
ASSERT_EQ(last_rpc->proc(), pb::RpcMessage::RPC_DS_READUNTIL_CALLBACK);
ASSERT_EQ(last_rpc->handle(), 100);
data_stream_sender_->ResetHistory();
// Sends two frames with size 100 + 150 bytes
demuxer_stream_->CreateFakeFrame(100, false, 2 /* pts */);
demuxer_stream_->CreateFakeFrame(150, false, 3 /* pts */);
// Issues ReadUntil request with frame count up to 3 (fetch #1 and #2).
demuxer_stream_adapter_->FakeReadUntil(3, 101);
RunPendingTasks();
ASSERT_EQ(data_stream_sender_->send_frame_count(), 2U);
ASSERT_TRUE(data_stream_sender_->ValidateFrameBuffer(0, 100, false, 2));
ASSERT_TRUE(data_stream_sender_->ValidateFrameBuffer(1, 150, false, 3));
last_rpc = demuxer_stream_adapter_->last_received_rpc();
ASSERT_TRUE(last_rpc);
ASSERT_EQ(last_rpc->proc(), pb::RpcMessage::RPC_DS_READUNTIL_CALLBACK);
ASSERT_EQ(last_rpc->handle(), 101);
data_stream_sender_->ResetHistory();
// Signal flush
ASSERT_EQ(data_stream_sender_->cancel_in_flight_count(), 0U);
demuxer_stream_adapter_->SignalFlush(true);
RunPendingTasks();
ASSERT_EQ(data_stream_sender_->cancel_in_flight_count(), 1U);
// ReadUntil request after flush signaling should be ignored.
demuxer_stream_->CreateFakeFrame(100, false, 4 /* pts */);
demuxer_stream_->CreateFakeFrame(100, false, 5 /* pts */);
// Issues ReadUntil request with frame count up to 5 (fetch #3 and #4).
demuxer_stream_adapter_->FakeReadUntil(5, 102);
RunPendingTasks();
ASSERT_EQ(data_stream_sender_->send_frame_count(), 0U);
// Signal flush done
demuxer_stream_adapter_->SignalFlush(false);
RunPendingTasks();
ASSERT_EQ(data_stream_sender_->cancel_in_flight_count(), 1U);
data_stream_sender_->ResetHistory();
// Re-issues ReadUntil request with frame count up to 4 (fetch #3).
demuxer_stream_adapter_->FakeReadUntil(4, 103);
RunPendingTasks();
ASSERT_EQ(data_stream_sender_->send_frame_count(), 1U);
ASSERT_TRUE(data_stream_sender_->ValidateFrameBuffer(0, 100, false, 4));
last_rpc = demuxer_stream_adapter_->last_received_rpc();
ASSERT_TRUE(last_rpc);
ASSERT_EQ(last_rpc->proc(), pb::RpcMessage::RPC_DS_READUNTIL_CALLBACK);
ASSERT_EQ(last_rpc->handle(), 103);
data_stream_sender_->ResetHistory();
}
TEST_F(RemoteDemuxerStreamAdapterTest, DuplicateInitializeCausesFatalError) {
std::vector<StopTrigger> errors;
demuxer_stream_adapter_->TakeErrors(&errors);
ASSERT_TRUE(errors.empty());
demuxer_stream_adapter_->DoDuplicateInitialize();
demuxer_stream_adapter_->TakeErrors(&errors);
ASSERT_EQ(1u, errors.size());
EXPECT_EQ(PEERS_OUT_OF_SYNC, errors[0]);
}
TEST_F(RemoteDemuxerStreamAdapterTest, ClosingPipeCausesFatalError) {
std::vector<StopTrigger> errors;
demuxer_stream_adapter_->TakeErrors(&errors);
ASSERT_TRUE(errors.empty());
// Closes one end of mojo message and data pipes.
data_stream_sender_.reset();
RunPendingTasks(); // Allow notification from mojo to propagate.
demuxer_stream_adapter_->TakeErrors(&errors);
ASSERT_EQ(1u, errors.size());
EXPECT_EQ(MOJO_PIPE_ERROR, errors[0]);
}
} // namesapce remoting
} // namespace media