1 /*
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <memory>
12 #include <string>
13 #include <utility>
14
15 #include "modules/desktop_capture/desktop_capture_options.h"
16 #include "modules/desktop_capture/desktop_capturer.h"
17 #include "modules/desktop_capture/desktop_frame.h"
18 #include "modules/desktop_capture/desktop_geometry.h"
19 #include "rtc_base/checks.h"
20 #include "test/gtest.h"
21
22 namespace webrtc {
23
24 class WindowCapturerTest : public ::testing::Test,
25 public DesktopCapturer::Callback {
26 public:
SetUp()27 void SetUp() override {
28 capturer_ = DesktopCapturer::CreateWindowCapturer(
29 DesktopCaptureOptions::CreateDefault());
30 ASSERT_TRUE(capturer_);
31 }
32
TearDown()33 void TearDown() override {}
34
35 // DesktopCapturer::Callback interface
OnCaptureResult(DesktopCapturer::Result result,std::unique_ptr<DesktopFrame> frame)36 void OnCaptureResult(DesktopCapturer::Result result,
37 std::unique_ptr<DesktopFrame> frame) override {
38 frame_ = std::move(frame);
39 }
40
41 protected:
42 std::unique_ptr<DesktopCapturer> capturer_;
43 std::unique_ptr<DesktopFrame> frame_;
44 };
45
46 // Verify that we can enumerate windows.
47 // TODO(bugs.webrtc.org/12950): Re-enable when libc++ issue is fixed
48 #if defined(WEBRTC_LINUX) && defined(MEMORY_SANITIZER)
49 #define MAYBE_Enumerate DISABLED_Enumerate
50 #else
51 #define MAYBE_Enumerate Enumerate
52 #endif
TEST_F(WindowCapturerTest,MAYBE_Enumerate)53 TEST_F(WindowCapturerTest, MAYBE_Enumerate) {
54 DesktopCapturer::SourceList sources;
55 EXPECT_TRUE(capturer_->GetSourceList(&sources));
56
57 // Verify that window titles are set.
58 for (auto it = sources.begin(); it != sources.end(); ++it) {
59 EXPECT_FALSE(it->title.empty());
60 }
61 }
62
63 // Flaky on Linux. See: crbug.com/webrtc/7830.
64 // Failing on macOS 11: See bugs.webrtc.org/12801
65 #if defined(WEBRTC_LINUX) || defined(WEBRTC_MAC)
66 #define MAYBE_Capture DISABLED_Capture
67 #else
68 #define MAYBE_Capture Capture
69 #endif
70 // Verify we can capture a window.
71 //
72 // TODO(sergeyu): Currently this test just looks at the windows that already
73 // exist. Ideally it should create a test window and capture from it, but there
74 // is no easy cross-platform way to create new windows (potentially we could
75 // have a python script showing Tk dialog, but launching code will differ
76 // between platforms).
TEST_F(WindowCapturerTest,MAYBE_Capture)77 TEST_F(WindowCapturerTest, MAYBE_Capture) {
78 DesktopCapturer::SourceList sources;
79 capturer_->Start(this);
80 EXPECT_TRUE(capturer_->GetSourceList(&sources));
81
82 // Verify that we can select and capture each window.
83 for (auto it = sources.begin(); it != sources.end(); ++it) {
84 frame_.reset();
85 if (capturer_->SelectSource(it->id)) {
86 capturer_->CaptureFrame();
87 }
88
89 // If we failed to capture a window make sure it no longer exists.
90 if (!frame_.get()) {
91 DesktopCapturer::SourceList new_list;
92 EXPECT_TRUE(capturer_->GetSourceList(&new_list));
93 for (auto new_list_it = new_list.begin(); new_list_it != new_list.end();
94 ++new_list_it) {
95 EXPECT_FALSE(it->id == new_list_it->id);
96 }
97 continue;
98 }
99
100 EXPECT_GT(frame_->size().width(), 0);
101 EXPECT_GT(frame_->size().height(), 0);
102 }
103 }
104
105 } // namespace webrtc
106