blob: 4826f99e8e1802e94f6315d54f04f5edcf45c648 [file] [log] [blame]
* Copyright (c) 2018 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.
#include <CoreGraphics/CoreGraphics.h>
#include <IOSurface/IOSurface.h>
#include <map>
#include <memory>
#include "modules/desktop_capture/shared_desktop_frame.h"
#include "rtc_base/thread_checker.h"
#include "sdk/objc/helpers/scoped_cftyperef.h"
namespace webrtc {
class DesktopFrameProvider {
explicit DesktopFrameProvider(bool allow_iosurface);
// The caller takes ownership of the returned desktop frame. Otherwise
// returns null if |display_id| is invalid or not ready. Note that this
// function does not remove the frame from the internal container. Caller
// has to call the Release function.
std::unique_ptr<DesktopFrame> TakeLatestFrameForDisplay(
CGDirectDisplayID display_id);
// OS sends the latest IOSurfaceRef through
// CGDisplayStreamFrameAvailableHandler callback; we store it here.
void InvalidateIOSurface(CGDirectDisplayID display_id,
rtc::ScopedCFTypeRef<IOSurfaceRef> io_surface);
// Expected to be called before stopping the CGDisplayStreamRef streams.
void Release();
rtc::ThreadChecker thread_checker_;
const bool allow_iosurface_;
// Most recent IOSurface that contains a capture of matching display.
std::map<CGDirectDisplayID, std::unique_ptr<SharedDesktopFrame>> io_surfaces_;
} // namespace webrtc