Update the output pixel format to the client supplied format when starting camera capture. Also add a new API method to get the preferred output pixel format according to the AVCaptureVideoDataOutput#availableVideoCVPixelFormatTypes method and use it in AppRTCMobile. Bug: webrtc:8505 Change-Id: Ia24eaf91d70d0703a34d38b06bb6eea28fb922b8 Reviewed-on: https://webrtc-review.googlesource.com/22680 Commit-Queue: Anders Carlsson <andersc@webrtc.org> Reviewed-by: Zeke Chin <tkchin@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20697}
48 lines
1.9 KiB
Objective-C
48 lines
1.9 KiB
Objective-C
/*
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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 <Foundation/Foundation.h>
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#import <AVFoundation/AVFoundation.h>
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#import <WebRTC/RTCMacros.h>
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#import <WebRTC/RTCVideoCapturer.h>
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NS_ASSUME_NONNULL_BEGIN
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RTC_EXPORT
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// Camera capture that implements RTCVideoCapturer. Delivers frames to a RTCVideoCapturerDelegate
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// (usually RTCVideoSource).
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@interface RTCCameraVideoCapturer : 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 and stops the capture session asynchronously.
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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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// 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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