45a22ffbb7
This change adds support for dynamic resolution adjustment of pipewire stream. Bug: chromium:1291247 Change-Id: I87e02484920f795a053a814eb872834ab22c1bd3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/263680 Commit-Queue: Salman Malik <salmanmalik@google.com> Reviewed-by: Alexander Cooper <alcooper@chromium.org> Cr-Commit-Position: refs/heads/main@{#37010}
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
/*
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* Copyright 2022 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_
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#define MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_
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#include <memory>
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#include "absl/types/optional.h"
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#include "api/ref_counted_base.h"
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#include "api/scoped_refptr.h"
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#include "modules/desktop_capture/desktop_frame.h"
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#include "modules/desktop_capture/mouse_cursor.h"
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#include "rtc_base/system/rtc_export.h"
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namespace webrtc {
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class SharedScreenCastStreamPrivate;
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class RTC_EXPORT SharedScreenCastStream
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: public rtc::RefCountedNonVirtual<SharedScreenCastStream> {
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public:
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static rtc::scoped_refptr<SharedScreenCastStream> CreateDefault();
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bool StartScreenCastStream(uint32_t stream_node_id);
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bool StartScreenCastStream(uint32_t stream_node_id,
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int fd,
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uint32_t width = 0,
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uint32_t height = 0);
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void UpdateScreenCastStreamResolution(uint32_t width, uint32_t height);
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void StopScreenCastStream();
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// Below functions return the most recent information we get from a
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// PipeWire buffer on each Process() callback. This assumes that we
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// managed to successfuly connect to a PipeWire stream provided by the
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// compositor (based on stream parameters). The cursor data are obtained
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// from spa_meta_cursor stream metadata and therefore the cursor is not
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// part of actual screen/window frame.
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// Returns the most recent screen/window frame we obtained from PipeWire
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// buffer. Will return an empty frame in case we didn't manage to get a frame
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// from PipeWire buffer.
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std::unique_ptr<DesktopFrame> CaptureFrame();
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// Returns the most recent mouse cursor image. Will return an nullptr cursor
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// in case we didn't manage to get a cursor from PipeWire buffer. NOTE: the
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// cursor image might not be updated on every cursor location change, but
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// actually only when its shape changes.
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std::unique_ptr<MouseCursor> CaptureCursor();
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// Returns the most recent mouse cursor position. Will not return a value in
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// case we didn't manage to get it from PipeWire buffer.
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absl::optional<DesktopVector> CaptureCursorPosition();
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~SharedScreenCastStream();
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protected:
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SharedScreenCastStream();
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private:
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SharedScreenCastStream(const SharedScreenCastStream&) = delete;
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SharedScreenCastStream& operator=(const SharedScreenCastStream&) = delete;
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std::unique_ptr<SharedScreenCastStreamPrivate> private_;
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};
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_
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