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// Copyright 2021 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 <memory>
#include <vector>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "media/base/media_util.h"
#include "media/base/mock_filters.h"
#include "media/base/offloading_audio_encoder.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::base::test::RunCallback;
using ::base::test::RunOnceCallback;
using ::testing::_;
using ::testing::DoAll;
using ::testing::Invoke;
using ::testing::Return;
namespace media {
class OffloadingAudioEncoderTest : public testing::Test {
protected:
void SetUp() override {
auto mock_audio_encoder = std::make_unique<MockAudioEncoder>();
mock_audio_encoder_ = mock_audio_encoder.get();
work_runner_ = base::ThreadPool::CreateSequencedTaskRunner({});
callback_runner_ = base::SequencedTaskRunnerHandle::Get();
offloading_encoder_ = std::make_unique<OffloadingAudioEncoder>(
std::move(mock_audio_encoder), work_runner_, callback_runner_);
EXPECT_CALL(*mock_audio_encoder_, OnDestruct()).WillOnce(Invoke([this]() {
EXPECT_TRUE(work_runner_->RunsTasksInCurrentSequence());
}));
}
void RunLoop() { task_environment_.RunUntilIdle(); }
base::test::TaskEnvironment task_environment_;
scoped_refptr<base::SequencedTaskRunner> work_runner_;
scoped_refptr<base::SequencedTaskRunner> callback_runner_;
raw_ptr<MockAudioEncoder> mock_audio_encoder_;
std::unique_ptr<OffloadingAudioEncoder> offloading_encoder_;
};
TEST_F(OffloadingAudioEncoderTest, Initialize) {
bool called_done = false;
bool called_output = false;
AudioEncoder::Options options;
AudioEncoder::OutputCB output_cb = base::BindLambdaForTesting(
[&](EncodedAudioBuffer, absl::optional<AudioEncoder::CodecDescription>) {
EXPECT_TRUE(callback_runner_->RunsTasksInCurrentSequence());
called_output = true;
});
AudioEncoder::EncoderStatusCB done_cb =
base::BindLambdaForTesting([&](EncoderStatus s) {
EXPECT_TRUE(callback_runner_->RunsTasksInCurrentSequence());
called_done = true;
});
EXPECT_CALL(*mock_audio_encoder_, Initialize(_, _, _))
.WillOnce(Invoke([this](const AudioEncoder::Options& options,
AudioEncoder::OutputCB output_cb,
AudioEncoder::EncoderStatusCB done_cb) {
EXPECT_TRUE(work_runner_->RunsTasksInCurrentSequence());
AudioParameters params;
EncodedAudioBuffer buf(params, nullptr, 0, base::TimeTicks());
std::move(done_cb).Run(EncoderStatus::Codes::kOk);
// Usually |output_cb| is not called by Initialize() but for this
// test it doesn't matter. We only care about a task runner used
// for running |output_cb|, and not what triggers those callback.
std::move(output_cb).Run(std::move(buf), {});
}));
offloading_encoder_->Initialize(options, std::move(output_cb),
std::move(done_cb));
RunLoop();
EXPECT_TRUE(called_done);
EXPECT_TRUE(called_output);
}
TEST_F(OffloadingAudioEncoderTest, Encode) {
bool called_done = false;
AudioEncoder::EncoderStatusCB done_cb =
base::BindLambdaForTesting([&](EncoderStatus s) {
EXPECT_TRUE(callback_runner_->RunsTasksInCurrentSequence());
called_done = true;
});
EXPECT_CALL(*mock_audio_encoder_, Encode(_, _, _))
.WillOnce(Invoke([this](std::unique_ptr<AudioBus> audio_bus,
base::TimeTicks capture_time,
AudioEncoder::EncoderStatusCB done_cb) {
EXPECT_TRUE(work_runner_->RunsTasksInCurrentSequence());
std::move(done_cb).Run(EncoderStatus::Codes::kOk);
}));
base::TimeTicks ts;
offloading_encoder_->Encode(nullptr, ts, std::move(done_cb));
RunLoop();
EXPECT_TRUE(called_done);
}
TEST_F(OffloadingAudioEncoderTest, Flush) {
bool called_done = false;
AudioEncoder::EncoderStatusCB done_cb =
base::BindLambdaForTesting([&](EncoderStatus s) {
EXPECT_TRUE(callback_runner_->RunsTasksInCurrentSequence());
called_done = true;
});
EXPECT_CALL(*mock_audio_encoder_, Flush(_))
.WillOnce(Invoke([this](AudioEncoder::EncoderStatusCB done_cb) {
EXPECT_TRUE(work_runner_->RunsTasksInCurrentSequence());
std::move(done_cb).Run(EncoderStatus::Codes::kOk);
}));
offloading_encoder_->Flush(std::move(done_cb));
RunLoop();
EXPECT_TRUE(called_done);
}
} // namespace media
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