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/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/desktop_capture/fallback_desktop_capturer_wrapper.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include <vector>
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_frame_generator.h"
#include "modules/desktop_capture/fake_desktop_capturer.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
std::unique_ptr<DesktopCapturer> CreateDesktopCapturer(
PainterDesktopFrameGenerator* frame_generator) {
std::unique_ptr<FakeDesktopCapturer> capturer(new FakeDesktopCapturer());
capturer->set_frame_generator(frame_generator);
return std::move(capturer);
}
class FakeSharedMemory : public SharedMemory {
public:
explicit FakeSharedMemory(size_t size);
~FakeSharedMemory() override;
private:
static int next_id_;
};
// static
int FakeSharedMemory::next_id_ = 0;
FakeSharedMemory::FakeSharedMemory(size_t size)
: SharedMemory(new char[size], size, 0, next_id_++) {}
FakeSharedMemory::~FakeSharedMemory() {
delete[] static_cast<char*>(data_);
}
class FakeSharedMemoryFactory : public SharedMemoryFactory {
public:
FakeSharedMemoryFactory() = default;
~FakeSharedMemoryFactory() override = default;
std::unique_ptr<SharedMemory> CreateSharedMemory(size_t size) override;
};
std::unique_ptr<SharedMemory> FakeSharedMemoryFactory::CreateSharedMemory(
size_t size) {
return std::unique_ptr<SharedMemory>(new FakeSharedMemory(size));
}
} // namespace
class FallbackDesktopCapturerWrapperTest : public ::testing::Test,
public DesktopCapturer::Callback {
public:
FallbackDesktopCapturerWrapperTest();
~FallbackDesktopCapturerWrapperTest() override = default;
protected:
std::vector<std::pair<DesktopCapturer::Result, bool>> results_;
FakeDesktopCapturer* main_capturer_ = nullptr;
FakeDesktopCapturer* secondary_capturer_ = nullptr;
std::unique_ptr<FallbackDesktopCapturerWrapper> wrapper_;
private:
// DesktopCapturer::Callback interface
void OnCaptureResult(DesktopCapturer::Result result,
std::unique_ptr<DesktopFrame> frame) override;
PainterDesktopFrameGenerator frame_generator_;
};
FallbackDesktopCapturerWrapperTest::FallbackDesktopCapturerWrapperTest() {
frame_generator_.size()->set(1024, 768);
std::unique_ptr<DesktopCapturer> main_capturer =
CreateDesktopCapturer(&frame_generator_);
std::unique_ptr<DesktopCapturer> secondary_capturer =
CreateDesktopCapturer(&frame_generator_);
main_capturer_ = static_cast<FakeDesktopCapturer*>(main_capturer.get());
secondary_capturer_ =
static_cast<FakeDesktopCapturer*>(secondary_capturer.get());
wrapper_.reset(new FallbackDesktopCapturerWrapper(
std::move(main_capturer), std::move(secondary_capturer)));
wrapper_->Start(this);
}
void FallbackDesktopCapturerWrapperTest::OnCaptureResult(
DesktopCapturer::Result result,
std::unique_ptr<DesktopFrame> frame) {
results_.emplace_back(result, !!frame);
}
TEST_F(FallbackDesktopCapturerWrapperTest, MainNeverFailed) {
wrapper_->CaptureFrame();
ASSERT_EQ(main_capturer_->num_capture_attempts(), 1);
ASSERT_EQ(main_capturer_->num_frames_captured(), 1);
ASSERT_EQ(secondary_capturer_->num_capture_attempts(), 0);
ASSERT_EQ(secondary_capturer_->num_frames_captured(), 0);
ASSERT_EQ(results_.size(), 1U);
ASSERT_EQ(results_[0],
std::make_pair(DesktopCapturer::Result::SUCCESS, true));
}
TEST_F(FallbackDesktopCapturerWrapperTest, MainFailedTemporarily) {
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::ERROR_TEMPORARY);
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::SUCCESS);
wrapper_->CaptureFrame();
ASSERT_EQ(main_capturer_->num_capture_attempts(), 3);
ASSERT_EQ(main_capturer_->num_frames_captured(), 2);
ASSERT_EQ(secondary_capturer_->num_capture_attempts(), 1);
ASSERT_EQ(secondary_capturer_->num_frames_captured(), 1);
ASSERT_EQ(results_.size(), 3U);
for (int i = 0; i < 3; i++) {
ASSERT_EQ(results_[i],
std::make_pair(DesktopCapturer::Result::SUCCESS, true));
}
}
TEST_F(FallbackDesktopCapturerWrapperTest, MainFailedPermanently) {
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::ERROR_PERMANENT);
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::SUCCESS);
wrapper_->CaptureFrame();
ASSERT_EQ(main_capturer_->num_capture_attempts(), 2);
ASSERT_EQ(main_capturer_->num_frames_captured(), 1);
ASSERT_EQ(secondary_capturer_->num_capture_attempts(), 2);
ASSERT_EQ(secondary_capturer_->num_frames_captured(), 2);
ASSERT_EQ(results_.size(), 3U);
for (int i = 0; i < 3; i++) {
ASSERT_EQ(results_[i],
std::make_pair(DesktopCapturer::Result::SUCCESS, true));
}
}
TEST_F(FallbackDesktopCapturerWrapperTest, BothFailed) {
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::ERROR_PERMANENT);
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::SUCCESS);
wrapper_->CaptureFrame();
secondary_capturer_->set_result(DesktopCapturer::Result::ERROR_TEMPORARY);
wrapper_->CaptureFrame();
secondary_capturer_->set_result(DesktopCapturer::Result::ERROR_PERMANENT);
wrapper_->CaptureFrame();
wrapper_->CaptureFrame();
ASSERT_EQ(main_capturer_->num_capture_attempts(), 2);
ASSERT_EQ(main_capturer_->num_frames_captured(), 1);
ASSERT_EQ(secondary_capturer_->num_capture_attempts(), 5);
ASSERT_EQ(secondary_capturer_->num_frames_captured(), 2);
ASSERT_EQ(results_.size(), 6U);
for (int i = 0; i < 3; i++) {
ASSERT_EQ(results_[i],
std::make_pair(DesktopCapturer::Result::SUCCESS, true));
}
ASSERT_EQ(results_[3],
std::make_pair(DesktopCapturer::Result::ERROR_TEMPORARY, false));
ASSERT_EQ(results_[4],
std::make_pair(DesktopCapturer::Result::ERROR_PERMANENT, false));
ASSERT_EQ(results_[5],
std::make_pair(DesktopCapturer::Result::ERROR_PERMANENT, false));
}
TEST_F(FallbackDesktopCapturerWrapperTest, WithSharedMemory) {
wrapper_->SetSharedMemoryFactory(
std::unique_ptr<SharedMemoryFactory>(new FakeSharedMemoryFactory()));
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::ERROR_TEMPORARY);
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::SUCCESS);
wrapper_->CaptureFrame();
main_capturer_->set_result(DesktopCapturer::Result::ERROR_PERMANENT);
wrapper_->CaptureFrame();
wrapper_->CaptureFrame();
ASSERT_EQ(main_capturer_->num_capture_attempts(), 4);
ASSERT_EQ(main_capturer_->num_frames_captured(), 2);
ASSERT_EQ(secondary_capturer_->num_capture_attempts(), 3);
ASSERT_EQ(secondary_capturer_->num_frames_captured(), 3);
ASSERT_EQ(results_.size(), 5U);
for (int i = 0; i < 5; i++) {
ASSERT_EQ(results_[i],
std::make_pair(DesktopCapturer::Result::SUCCESS, true));
}
}
} // namespace webrtc
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