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This makes it possible to access cameras through xdg-desktop-portal and pipewire. For pipewire, a shared state is needed between the enumeration and the creation of camera object. So a new API is needed with a shared options object that holds the state and can be used to choose which backend to try. Bug: webrtc:13177 Change-Id: Iaad2333b41e4e6fb112f4558ea4b623e59afcbd1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261620 Reviewed-by: Alexander Cooper <alcooper@chromium.org> Commit-Queue: Alexander Cooper <alcooper@chromium.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39251}
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/*
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* Copyright (c) 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_VIDEO_CAPTURE_VIDEO_CAPTURE_OPTIONS_H_
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#define MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_OPTIONS_H_
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#include "api/scoped_refptr.h"
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#include "rtc_base/system/rtc_export.h"
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namespace webrtc {
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#if defined(WEBRTC_USE_PIPEWIRE)
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namespace videocapturemodule {
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class PipeWireSession;
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}
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#endif
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// An object that stores initialization parameters for screen and window
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// capturers.
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class RTC_EXPORT VideoCaptureOptions {
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public:
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VideoCaptureOptions();
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VideoCaptureOptions(const VideoCaptureOptions& options);
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VideoCaptureOptions(VideoCaptureOptions&& options);
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~VideoCaptureOptions();
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VideoCaptureOptions& operator=(const VideoCaptureOptions& options);
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VideoCaptureOptions& operator=(VideoCaptureOptions&& options);
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enum class Status {
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SUCCESS,
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UNINITIALIZED,
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UNAVAILABLE,
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DENIED,
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ERROR,
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MAX_VALUE = ERROR
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};
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class Callback {
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public:
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virtual void OnInitialized(Status status) = 0;
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protected:
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virtual ~Callback() = default;
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};
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void Init(Callback* callback);
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#if defined(WEBRTC_LINUX)
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bool allow_v4l2() const { return allow_v4l2_; }
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void set_allow_v4l2(bool allow) { allow_v4l2_ = allow; }
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#endif
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#if defined(WEBRTC_USE_PIPEWIRE)
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bool allow_pipewire() const { return allow_pipewire_; }
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void set_allow_pipewire(bool allow) { allow_pipewire_ = allow; }
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rtc::scoped_refptr<videocapturemodule::PipeWireSession> pipewire_session();
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#endif
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private:
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#if defined(WEBRTC_LINUX)
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bool allow_v4l2_ = false;
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#endif
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#if defined(WEBRTC_USE_PIPEWIRE)
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bool allow_pipewire_ = false;
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rtc::scoped_refptr<videocapturemodule::PipeWireSession> pipewire_session_;
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#endif
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_OPTIONS_H_
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