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[Mac] feat: Support screen capture for macOS. (#24) (#36) fix: Get thumbnails asynchronously. (#37) fix: Use CVPixelBuffer to build DesktopCapture Frame, fix the crash caused by non-CVPixelBuffer frame in RTCVideoEncoderH264 that cannot be cropped. (#63) Fix the crash when setting the fps of the virtual camera. (#62)
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2022 LiveKit | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #import "RTCDesktopCapturer.h" | ||
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| #include "sdk/objc/native/src/objc_desktop_capture.h" | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| RTC_OBJC_EXPORT | ||
| @protocol RTC_OBJC_TYPE | ||
| (DesktopCapturerDelegate)<NSObject> | ||
| -(void)didCaptureVideoFrame:(RTC_OBJC_TYPE(RTCVideoFrame) *) frame; | ||
| -(void)didSourceCaptureStart; | ||
| -(void)didSourceCapturePaused; | ||
| -(void)didSourceCaptureStop; | ||
| -(void)didSourceCaptureError; | ||
| @end | ||
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| @interface RTCDesktopCapturer () | ||
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| @property(nonatomic, readonly)std::shared_ptr<webrtc::ObjCDesktopCapturer> nativeCapturer; | ||
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| - (void)didCaptureVideoFrame:(RTC_OBJC_TYPE(RTCVideoFrame) *)frame; | ||
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| -(void)didSourceCaptureStart; | ||
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| -(void)didSourceCapturePaused; | ||
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| -(void)didSourceCaptureStop; | ||
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| -(void)didSourceCaptureError; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Copyright 2022 LiveKit | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #import <AVFoundation/AVFoundation.h> | ||
| #import <Foundation/Foundation.h> | ||
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| #import "RTCMacros.h" | ||
| #import "RTCVideoCapturer.h" | ||
| #import "RTCDesktopSource.h" | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @class RTCDesktopCapturer; | ||
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| RTC_OBJC_EXPORT | ||
| @protocol RTC_OBJC_TYPE | ||
| (RTCDesktopCapturerDelegate)<NSObject> | ||
| -(void)didSourceCaptureStart:(RTCDesktopCapturer *) capturer; | ||
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| -(void)didSourceCapturePaused:(RTCDesktopCapturer *) capturer; | ||
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| -(void)didSourceCaptureStop:(RTCDesktopCapturer *) capturer; | ||
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| -(void)didSourceCaptureError:(RTCDesktopCapturer *) capturer; | ||
| @end | ||
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| RTC_OBJC_EXPORT | ||
| // Screen capture that implements RTCVideoCapturer. Delivers frames to a | ||
| // RTCVideoCapturerDelegate (usually RTCVideoSource). | ||
| @interface RTC_OBJC_TYPE (RTCDesktopCapturer) : RTC_OBJC_TYPE(RTCVideoCapturer) | ||
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| @property(nonatomic, readonly) RTCDesktopSource *source; | ||
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| - (instancetype)initWithSource:(RTCDesktopSource*)source delegate:(__weak id<RTC_OBJC_TYPE(RTCDesktopCapturerDelegate)>)delegate captureDelegate:(__weak id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)captureDelegate; | ||
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| - (instancetype)initWithDefaultScreen:(__weak id<RTC_OBJC_TYPE(RTCDesktopCapturerDelegate)>)delegate captureDelegate:(__weak id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)captureDelegate; | ||
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| - (void)startCapture; | ||
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| - (void)startCaptureWithFPS:(NSInteger)fps; | ||
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| - (void)stopCapture; | ||
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| - (void)stopCaptureWithCompletionHandler:(nullable void (^)(void))completionHandler; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /* | ||
| * Copyright 2022 LiveKit | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #import <Foundation/Foundation.h> | ||
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| #import "base/RTCLogging.h" | ||
| #import "base/RTCVideoFrameBuffer.h" | ||
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| #import "components/video_frame_buffer/RTCCVPixelBuffer.h" | ||
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| #import "RTCDesktopCapturer.h" | ||
| #import "RTCDesktopCapturer+Private.h" | ||
| #import "RTCDesktopSource+Private.h" | ||
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| @implementation RTC_OBJC_TYPE (RTCDesktopCapturer) { | ||
| __weak id<RTC_OBJC_TYPE(RTCDesktopCapturerDelegate)> _delegate; | ||
| } | ||
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| @synthesize nativeCapturer = _nativeCapturer; | ||
| @synthesize source = _source; | ||
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| - (instancetype)initWithSource:(RTCDesktopSource*)source delegate:(__weak id<RTC_OBJC_TYPE(RTCDesktopCapturerDelegate)>)delegate captureDelegate:(__weak id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)captureDelegate { | ||
| if (self = [super initWithDelegate:captureDelegate]) { | ||
| webrtc::DesktopType captureType = webrtc::kScreen; | ||
| if(source.sourceType == RTCDesktopSourceTypeWindow) { | ||
| captureType = webrtc::kWindow; | ||
| } | ||
| _nativeCapturer = std::make_shared<webrtc::ObjCDesktopCapturer>(captureType, source.nativeMediaSource->id(), self); | ||
| _source = source; | ||
| _delegate = delegate; | ||
| } | ||
| return self; | ||
| } | ||
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| - (instancetype)initWithDefaultScreen:(__weak id<RTC_OBJC_TYPE(RTCDesktopCapturerDelegate)>)delegate captureDelegate:(__weak id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)captureDelegate { | ||
| if (self = [super initWithDelegate:captureDelegate]) { | ||
| _nativeCapturer = std::make_unique<webrtc::ObjCDesktopCapturer>(webrtc::kScreen, -1, self); | ||
| _source = nil; | ||
| _delegate = delegate; | ||
| } | ||
| return self; | ||
| } | ||
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| -(void)dealloc { | ||
| _nativeCapturer->Stop(); | ||
| _nativeCapturer = nullptr; | ||
| } | ||
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| - (void)startCapture { | ||
| [self didSourceCaptureStart]; | ||
| _nativeCapturer->Start(30); | ||
| } | ||
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| - (void)startCaptureWithFPS:(NSInteger)fps { | ||
| _nativeCapturer->Start(fps); | ||
| } | ||
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| - (void)didCaptureVideoFrame | ||
| : (RTC_OBJC_TYPE(RTCVideoFrame) *)frame { | ||
| [self.delegate capturer:self didCaptureVideoFrame:frame]; | ||
| } | ||
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| - (void)stopCapture { | ||
| _nativeCapturer->Stop(); | ||
| } | ||
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| - (void)stopCaptureWithCompletionHandler:(nullable void (^)(void))completionHandler { | ||
| [self stopCapture]; | ||
| if(completionHandler != nil) { | ||
| completionHandler(); | ||
| } | ||
| } | ||
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| -(void)didSourceCaptureStart { | ||
| [_delegate didSourceCaptureStart:self]; | ||
| } | ||
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| -(void)didSourceCapturePaused { | ||
| [_delegate didSourceCapturePaused:self]; | ||
| } | ||
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| -(void)didSourceCaptureStop { | ||
| [_delegate didSourceCaptureStop:self]; | ||
| } | ||
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| -(void)didSourceCaptureError { | ||
| [_delegate didSourceCaptureError:self]; | ||
| } | ||
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| @end |
40 changes: 40 additions & 0 deletions
40
sdk/objc/components/capturer/RTCDesktopMediaList+Private.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Copyright 2022 LiveKit | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| #import "RTCDesktopMediaList.h" | ||
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| namespace webrtc { | ||
| class ObjCDesktopMediaList; | ||
| class MediaSource; | ||
| } | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface RTCDesktopMediaList () | ||
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| @property(nonatomic, readonly)std::shared_ptr<webrtc::ObjCDesktopMediaList> nativeMediaList; | ||
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| -(void)mediaSourceAdded:(webrtc::MediaSource *) source; | ||
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| -(void)mediaSourceRemoved:(webrtc::MediaSource *) source; | ||
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| -(void)mediaSourceNameChanged:(webrtc::MediaSource *) source; | ||
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| -(void)mediaSourceThumbnailChanged:(webrtc::MediaSource *) source; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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