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57 lines
2.5 KiB
57 lines
2.5 KiB
4 months ago
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/*
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* Copyright 2017 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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#import <AVFoundation/AVFoundation.h>
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#import <Foundation/Foundation.h>
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#import "RTCMacros.h"
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#import "RTCVideoCapturer.h"
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NS_ASSUME_NONNULL_BEGIN
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RTC_OBJC_EXPORT
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// Camera capture that implements RTCVideoCapturer. Delivers frames to a
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// RTCVideoCapturerDelegate (usually RTCVideoSource).
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NS_EXTENSION_UNAVAILABLE_IOS("Camera not available in app extensions.")
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@interface RTC_OBJC_TYPE (RTCCameraVideoCapturer) : RTC_OBJC_TYPE(RTCVideoCapturer)
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// Capture session that is used for capturing. Valid from initialization to dealloc.
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@property(readonly, nonatomic) AVCaptureSession *captureSession;
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// Returns list of available capture devices that support video capture.
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+ (NSArray<AVCaptureDevice *> *)captureDevices;
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// Returns list of formats that are supported by this class for this device.
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+ (NSArray<AVCaptureDeviceFormat *> *)supportedFormatsForDevice:(AVCaptureDevice *)device;
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// Returns the most efficient supported output pixel format for this capturer.
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- (FourCharCode)preferredOutputPixelFormat;
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// Starts the capture session asynchronously and notifies callback on completion.
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// The device will capture video in the format given in the `format` parameter. If the pixel format
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// in `format` is supported by the WebRTC pipeline, the same pixel format will be used for the
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// output. Otherwise, the format returned by `preferredOutputPixelFormat` will be used.
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- (void)startCaptureWithDevice:(AVCaptureDevice *)device
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format:(AVCaptureDeviceFormat *)format
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fps:(NSInteger)fps
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completionHandler:(nullable void (^)(NSError *))completionHandler;
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// Stops the capture session asynchronously and notifies callback on completion.
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- (void)stopCaptureWithCompletionHandler:(nullable void (^)(void))completionHandler;
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// Starts the capture session asynchronously.
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- (void)startCaptureWithDevice:(AVCaptureDevice *)device
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format:(AVCaptureDeviceFormat *)format
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fps:(NSInteger)fps;
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// Stops the capture session asynchronously.
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- (void)stopCapture;
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@end
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NS_ASSUME_NONNULL_END
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