1 /* 2 * Copyright 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #import <Foundation/Foundation.h> 12 13 #import "RTCMacros.h" 14 #import "RTCVideoCodecInfo.h" 15 #import "RTCVideoEncoder.h" 16 17 NS_ASSUME_NONNULL_BEGIN 18 19 /** RTCVideoEncoderFactory is an Objective-C version of 20 webrtc::VideoEncoderFactory::VideoEncoderSelector. 21 */ 22 RTC_OBJC_EXPORT 23 @protocol RTC_OBJC_TYPE 24 (RTCVideoEncoderSelector)<NSObject> 25 26 - (void)registerCurrentEncoderInfo : (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info; 27 - (nullable RTC_OBJC_TYPE(RTCVideoCodecInfo) *)encoderForBitrate:(NSInteger)bitrate; 28 - (nullable RTC_OBJC_TYPE(RTCVideoCodecInfo) *)encoderForBrokenEncoder; 29 30 @optional 31 - (nullable RTC_OBJC_TYPE(RTCVideoCodecInfo) *)encoderForResolutionChangeBySize:(CGSize)size; 32 33 @end 34 35 /** RTCVideoEncoderFactory is an Objective-C version of webrtc::VideoEncoderFactory. 36 */ 37 RTC_OBJC_EXPORT 38 @protocol RTC_OBJC_TYPE 39 (RTCVideoEncoderFactory)<NSObject> 40 41 - (nullable id<RTC_OBJC_TYPE(RTCVideoEncoder)>)createEncoder 42 : (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info; 43 - (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *) 44 supportedCodecs; // TODO(andersc): "supportedFormats" instead? 45 46 @optional 47 - (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)implementations; 48 - (nullable id<RTC_OBJC_TYPE(RTCVideoEncoderSelector)>)encoderSelector; 49 50 @end 51 52 NS_ASSUME_NONNULL_END 53