| /* |
| * Copyright 2022 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_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_ |
| #define MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_ |
| |
| #include <memory> |
| |
| #include "absl/types/optional.h" |
| #include "api/ref_counted_base.h" |
| #include "api/scoped_refptr.h" |
| #include "modules/desktop_capture/desktop_frame.h" |
| #include "modules/desktop_capture/mouse_cursor.h" |
| #include "rtc_base/system/rtc_export.h" |
| |
| namespace webrtc { |
| |
| class SharedScreenCastStreamPrivate; |
| |
| class RTC_EXPORT SharedScreenCastStream |
| : public rtc::RefCountedNonVirtual<SharedScreenCastStream> { |
| public: |
| static rtc::scoped_refptr<SharedScreenCastStream> CreateDefault(); |
| |
| bool StartScreenCastStream(uint32_t stream_node_id); |
| bool StartScreenCastStream(uint32_t stream_node_id, |
| int fd, |
| uint32_t width = 0, |
| uint32_t height = 0); |
| void UpdateScreenCastStreamResolution(uint32_t width, uint32_t height); |
| void StopScreenCastStream(); |
| |
| // Below functions return the most recent information we get from a |
| // PipeWire buffer on each Process() callback. This assumes that we |
| // managed to successfuly connect to a PipeWire stream provided by the |
| // compositor (based on stream parameters). The cursor data are obtained |
| // from spa_meta_cursor stream metadata and therefore the cursor is not |
| // part of actual screen/window frame. |
| |
| // Returns the most recent screen/window frame we obtained from PipeWire |
| // buffer. Will return an empty frame in case we didn't manage to get a frame |
| // from PipeWire buffer. |
| std::unique_ptr<DesktopFrame> CaptureFrame(); |
| |
| // Returns the most recent mouse cursor image. Will return an nullptr cursor |
| // in case we didn't manage to get a cursor from PipeWire buffer. NOTE: the |
| // cursor image might not be updated on every cursor location change, but |
| // actually only when its shape changes. |
| std::unique_ptr<MouseCursor> CaptureCursor(); |
| |
| // Returns the most recent mouse cursor position. Will not return a value in |
| // case we didn't manage to get it from PipeWire buffer. |
| absl::optional<DesktopVector> CaptureCursorPosition(); |
| |
| ~SharedScreenCastStream(); |
| |
| protected: |
| SharedScreenCastStream(); |
| |
| private: |
| SharedScreenCastStream(const SharedScreenCastStream&) = delete; |
| SharedScreenCastStream& operator=(const SharedScreenCastStream&) = delete; |
| |
| std::unique_ptr<SharedScreenCastStreamPrivate> private_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_ |