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-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/desktop_capture_types.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/desktop_capture_types.h b/third_party/libwebrtc/modules/desktop_capture/desktop_capture_types.h new file mode 100644 index 0000000000..e777a45f92 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/desktop_capture_types.h @@ -0,0 +1,75 @@ +/* + * 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. + */ + +#ifndef MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURE_TYPES_H_ +#define MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURE_TYPES_H_ + +#include <stdint.h> + +#ifdef XP_WIN // Moving this into the global namespace +typedef int pid_t; // matching what used to be in +#endif // video_capture_defines.h + +namespace webrtc { + +enum class CaptureType { kWindow, kScreen, kAnyScreenContent }; + +// Type used to identify windows on the desktop. Values are platform-specific: +// - On Windows: HWND cast to intptr_t. +// - On Linux (with X11): X11 Window (unsigned long) type cast to intptr_t. +// - On OSX: integer window number. +typedef intptr_t WindowId; + +const WindowId kNullWindowId = 0; + +const int64_t kInvalidDisplayId = -1; + +// Type used to identify screens on the desktop. Values are platform-specific: +// - On Windows: integer display device index. +// - On OSX: CGDirectDisplayID cast to intptr_t. +// - On Linux (with X11): TBD. +// - On ChromeOS: display::Display::id() is an int64_t. +// On Windows, ScreenId is implementation dependent: sending a ScreenId from one +// implementation to another usually won't work correctly. +#if defined(CHROMEOS) +typedef int64_t ScreenId; +#else +typedef intptr_t ScreenId; +#endif + +// The screen id corresponds to all screen combined together. +const ScreenId kFullDesktopScreenId = -1; + +const ScreenId kInvalidScreenId = -2; + +// Integers to attach to each DesktopFrame to differentiate the generator of +// the frame. The entries in this namespace should remain in sync with the +// SequentialDesktopCapturerId enum, which is logged via UMA. +// `kScreenCapturerWinGdi` and `kScreenCapturerWinDirectx` values are preserved +// to maintain compatibility +namespace DesktopCapturerId { +constexpr uint32_t CreateFourCC(char a, char b, char c, char d) { + return ((static_cast<uint32_t>(a)) | (static_cast<uint32_t>(b) << 8) | + (static_cast<uint32_t>(c) << 16) | (static_cast<uint32_t>(d) << 24)); +} + +constexpr uint32_t kUnknown = 0; +constexpr uint32_t kWgcCapturerWin = 1; +constexpr uint32_t kScreenCapturerWinMagnifier = 2; +constexpr uint32_t kWindowCapturerWinGdi = 3; +constexpr uint32_t kScreenCapturerWinGdi = CreateFourCC('G', 'D', 'I', ' '); +constexpr uint32_t kScreenCapturerWinDirectx = CreateFourCC('D', 'X', 'G', 'I'); +constexpr uint32_t kX11CapturerLinux = CreateFourCC('X', '1', '1', ' '); +constexpr uint32_t kWaylandCapturerLinux = CreateFourCC('W', 'L', ' ', ' '); +} // namespace DesktopCapturerId + +} // namespace webrtc + +#endif // MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURE_TYPES_H_ |