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 "RTCCodecSpecificInfo.h" 14 #import "RTCEncodedImage.h" 15 #import "RTCMacros.h" 16 #import "RTCVideoEncoderSettings.h" 17 #import "RTCVideoFrame.h" 18 19 NS_ASSUME_NONNULL_BEGIN 20 21 /** Callback block for decoder. */ 22 typedef void (^RTCVideoDecoderCallback)(RTC_OBJC_TYPE(RTCVideoFrame) * frame); 23 24 /** Protocol for decoder implementations. */ 25 RTC_OBJC_EXPORT 26 @protocol RTC_OBJC_TYPE 27 (RTCVideoDecoder)<NSObject> 28 29 - (void)setCallback : (RTCVideoDecoderCallback)callback; 30 - (NSInteger)startDecodeWithNumberOfCores:(int)numberOfCores; 31 - (NSInteger)releaseDecoder; 32 - (NSInteger)decode:(RTC_OBJC_TYPE(RTCEncodedImage) *)encodedImage 33 missingFrames:(BOOL)missingFrames 34 codecSpecificInfo:(nullable id<RTC_OBJC_TYPE(RTCCodecSpecificInfo)>)info 35 renderTimeMs:(int64_t)renderTimeMs; 36 - (NSString *)implementationName; 37 38 @end 39 40 NS_ASSUME_NONNULL_END 41