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https://github.com/mollyim/webrtc.git
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a805dd8b81
Bug: webrtc:6471 Change-Id: I1d5f4fc2484c4f37ff8556ac660a1c0d070875f6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/191443 Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32640}
48 lines
1.8 KiB
Objective-C
48 lines
1.8 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 "RTCCodecSpecificInfo.h"
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#import "RTCEncodedImage.h"
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#import "RTCMacros.h"
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#import "RTCVideoEncoderQpThresholds.h"
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#import "RTCVideoEncoderSettings.h"
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#import "RTCVideoFrame.h"
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NS_ASSUME_NONNULL_BEGIN
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/** Callback block for encoder. */
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typedef BOOL (^RTCVideoEncoderCallback)(RTC_OBJC_TYPE(RTCEncodedImage) * frame,
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id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)> info);
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/** Protocol for encoder implementations. */
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RTC_OBJC_EXPORT
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@protocol RTC_OBJC_TYPE
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(RTCVideoEncoder)<NSObject>
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- (void)setCallback : (RTCVideoEncoderCallback)callback;
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- (NSInteger)startEncodeWithSettings:(RTC_OBJC_TYPE(RTCVideoEncoderSettings) *)settings
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numberOfCores:(int)numberOfCores;
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- (NSInteger)releaseEncoder;
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- (NSInteger)encode:(RTC_OBJC_TYPE(RTCVideoFrame) *)frame
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codecSpecificInfo:(nullable id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)>)info
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frameTypes:(NSArray<NSNumber *> *)frameTypes;
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- (int)setBitrate:(uint32_t)bitrateKbit framerate:(uint32_t)framerate;
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- (NSString *)implementationName;
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/** Returns QP scaling settings for encoder. The quality scaler adjusts the resolution in order to
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* keep the QP from the encoded images within the given range. Returning nil from this function
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* disables quality scaling. */
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- (nullable RTC_OBJC_TYPE(RTCVideoEncoderQpThresholds) *)scalingSettings;
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@end
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NS_ASSUME_NONNULL_END
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