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 package org.webrtc; 12 13 /** 14 * BitrateAdjuster that adjusts the bitrate to compensate for changes in the framerate. Used with 15 * hardware codecs that assume the framerate never changes. 16 */ 17 class FramerateBitrateAdjuster extends BaseBitrateAdjuster { 18 private static final int DEFAULT_FRAMERATE_FPS = 30; 19 20 @Override setTargets(int targetBitrateBps, double targetFramerateFps)21 public void setTargets(int targetBitrateBps, double targetFramerateFps) { 22 // Keep frame rate unchanged and adjust bit rate. 23 this.targetFramerateFps = DEFAULT_FRAMERATE_FPS; 24 this.targetBitrateBps = (int) (targetBitrateBps * DEFAULT_FRAMERATE_FPS / targetFramerateFps); 25 } 26 } 27