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/*
* Copyright (c) 2013 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 <ApplicationServices/ApplicationServices.h>
#include <chrono>
#include <memory>
#include <thread>
#include "modules/desktop_capture/desktop_capture_options.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_frame.h"
#include "modules/desktop_capture/desktop_geometry.h"
#include "modules/desktop_capture/desktop_region.h"
#include "modules/desktop_capture/mac/desktop_configuration.h"
#include "modules/desktop_capture/mock_desktop_capturer_callback.h"
#include "test/gtest.h"
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::AnyOf;
using ::testing::InSequence;
namespace webrtc {
class ScreenCapturerMacTest : public ::testing::Test {
public:
// Verifies that the whole screen is initially dirty.
void CaptureDoneCallback1(DesktopCapturer::Result result,
std::unique_ptr<DesktopFrame>* frame);
// Verifies that a rectangle explicitly marked as dirty is propagated
// correctly.
void CaptureDoneCallback2(DesktopCapturer::Result result,
std::unique_ptr<DesktopFrame>* frame);
protected:
void SetUp() override {
capturer_ = DesktopCapturer::CreateScreenCapturer(
DesktopCaptureOptions::CreateDefault());
}
std::unique_ptr<DesktopCapturer> capturer_;
MockDesktopCapturerCallback callback_;
};
class ScreenCapturerSckTest : public ScreenCapturerMacTest {
protected:
void SetUp() override {
auto options = DesktopCaptureOptions::CreateDefault();
options.set_allow_sck_capturer(true);
capturer_ = DesktopCapturer::CreateScreenCapturer(options);
}
std::unique_ptr<DesktopCapturer> capturer_;
MockDesktopCapturerCallback callback_;
};
void ScreenCapturerMacTest::CaptureDoneCallback1(
DesktopCapturer::Result result,
std::unique_ptr<DesktopFrame>* frame) {
EXPECT_EQ(result, DesktopCapturer::Result::SUCCESS);
MacDesktopConfiguration config = MacDesktopConfiguration::GetCurrent(
MacDesktopConfiguration::BottomLeftOrigin);
// Verify that the region contains full frame.
DesktopRegion::Iterator it((*frame)->updated_region());
EXPECT_TRUE(!it.IsAtEnd() && it.rect().equals(config.pixel_bounds));
}
void ScreenCapturerMacTest::CaptureDoneCallback2(
DesktopCapturer::Result result,
std::unique_ptr<DesktopFrame>* frame) {
EXPECT_EQ(result, DesktopCapturer::Result::SUCCESS);
MacDesktopConfiguration config = MacDesktopConfiguration::GetCurrent(
MacDesktopConfiguration::BottomLeftOrigin);
int width = config.pixel_bounds.width();
int height = config.pixel_bounds.height();
EXPECT_EQ(width, (*frame)->size().width());
EXPECT_EQ(height, (*frame)->size().height());
EXPECT_TRUE((*frame)->data() != NULL);
// Depending on the capture method, the screen may be flipped or not, so
// the stride may be positive or negative.
// The stride may in theory be larger than the width due to alignment, but in
// other cases, like window capture, the stride normally matches the monitor
// resolution whereas the width matches the window region on said monitor.
// Make no assumptions.
EXPECT_LE(static_cast<int>(sizeof(uint32_t) * width),
abs((*frame)->stride()));
}
TEST_F(ScreenCapturerMacTest, Capture) {
EXPECT_CALL(callback_,
OnCaptureResultPtr(DesktopCapturer::Result::SUCCESS, _))
.Times(2)
.WillOnce(Invoke(this, &ScreenCapturerMacTest::CaptureDoneCallback1))
.WillOnce(Invoke(this, &ScreenCapturerMacTest::CaptureDoneCallback2));
SCOPED_TRACE("");
capturer_->Start(&callback_);
// Check that we get an initial full-screen updated.
capturer_->CaptureFrame();
// Check that subsequent dirty rects are propagated correctly.
capturer_->CaptureFrame();
}
TEST_F(ScreenCapturerSckTest, Capture) {
if (!CGPreflightScreenCaptureAccess()) {
GTEST_SKIP()
<< "ScreenCapturerSckTest needs TCC ScreenCapture authorization";
}
std::atomic<bool> done{false};
std::atomic<DesktopCapturer::Result> result{
DesktopCapturer::Result::ERROR_TEMPORARY};
InSequence s;
EXPECT_CALL(callback_,
OnCaptureResultPtr(DesktopCapturer::Result::ERROR_TEMPORARY, _))
.Times(AnyNumber());
EXPECT_CALL(callback_,
OnCaptureResultPtr(AnyOf(DesktopCapturer::Result::ERROR_PERMANENT,
DesktopCapturer::Result::SUCCESS),
_))
.WillOnce([this, &result](DesktopCapturer::Result res,
std::unique_ptr<DesktopFrame>* frame) {
result = res;
if (res == DesktopCapturer::Result::SUCCESS) {
CaptureDoneCallback1(res, frame);
}
});
SCOPED_TRACE("");
capturer_->Start(&callback_);
while (result == DesktopCapturer::Result::ERROR_TEMPORARY) {
// Check that we get an initial full-screen updated.
capturer_->CaptureFrame();
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
ASSERT_NE(result, DesktopCapturer::Result::ERROR_PERMANENT);
EXPECT_CALL(callback_,
OnCaptureResultPtr(DesktopCapturer::Result::SUCCESS, _))
.Times(1)
.WillOnce([this, &done](auto res, auto frame) {
CaptureDoneCallback2(res, frame);
done = true;
});
while (!done) {
// Check that we get an initial full-screen updated.
capturer_->CaptureFrame();
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}
} // namespace webrtc
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