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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/linux/pipewire_capture_stream.h"
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include <utility>
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "remoting/host/base/screen_resolution.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
namespace remoting {
PipewireCaptureStream::PipewireCaptureStream() = default;
PipewireCaptureStream::~PipewireCaptureStream() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void PipewireCaptureStream::SetPipeWireStream(
std::uint32_t pipewire_node,
ScreenResolution initial_resolution,
std::string mapping_id,
int pipewire_fd) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
pipewire_node_ = pipewire_node;
resolution_ = initial_resolution;
mapping_id_ = std::move(mapping_id);
pipewire_fd_ = pipewire_fd;
}
void PipewireCaptureStream::StartVideoCapture(
webrtc::DesktopCapturer::Callback* callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
stream_->StartScreenCastStream(
pipewire_node_, pipewire_fd_, resolution_.dimensions().width(),
resolution_.dimensions().height(), false, callback);
}
void PipewireCaptureStream::SetResolution(ScreenResolution new_resolution) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
resolution_ = new_resolution;
stream_->UpdateScreenCastStreamResolution(resolution_.dimensions().width(),
resolution_.dimensions().height());
}
void PipewireCaptureStream::SetMaxFrameRate(std::uint32_t frame_rate) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
stream_->UpdateScreenCastStreamFrameRate(frame_rate);
}
std::unique_ptr<webrtc::MouseCursor> PipewireCaptureStream::CaptureCursor() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return stream_->CaptureCursor();
}
std::optional<webrtc::DesktopVector>
PipewireCaptureStream::CaptureCursorPosition() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return stream_->CaptureCursorPosition();
}
void PipewireCaptureStream::StopVideoCapture() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
stream_->StopScreenCastStream();
}
std::string_view PipewireCaptureStream::mapping_id() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return mapping_id_;
}
base::WeakPtr<PipewireCaptureStream> PipewireCaptureStream::GetWeakPtr() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return weak_ptr_factory_.GetWeakPtr();
}
} // namespace remoting
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