/* * Copyright 2015 The WebRTC Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #import <Foundation/Foundation.h> /** Class used to estimate bitrate based on byte count. It is expected that * byte count is monotonocially increasing. This class tracks the times that * byte count is updated, and measures the bitrate based on the byte difference * over the interval between updates. */ @interface ARDBitrateTracker : NSObject /** The bitrate in bits per second. */ @property(nonatomic, readonly) double bitrate; /** The bitrate as a formatted string in bps, Kbps or Mbps. */ @property(nonatomic, readonly) NSString *bitrateString; /** Converts the bitrate to a readable format in bps, Kbps or Mbps. */ + (NSString *)bitrateStringForBitrate:(double)bitrate; /** Updates the tracked bitrate with the new byte count. */ - (void)updateBitrateWithCurrentByteCount:(NSInteger)byteCount; @end
