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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/sdk/android/src/java/org/webrtc/FramerateBitrateAdjuster.java | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/android/src/java/org/webrtc/FramerateBitrateAdjuster.java b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/FramerateBitrateAdjuster.java new file mode 100644 index 0000000000..e28b7b5a26 --- /dev/null +++ b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/FramerateBitrateAdjuster.java @@ -0,0 +1,26 @@ +/* + * Copyright 2017 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. + */ + +package org.webrtc; + +/** + * BitrateAdjuster that adjusts the bitrate to compensate for changes in the framerate. Used with + * hardware codecs that assume the framerate never changes. + */ +class FramerateBitrateAdjuster extends BaseBitrateAdjuster { + private static final int DEFAULT_FRAMERATE_FPS = 30; + + @Override + public void setTargets(int targetBitrateBps, double targetFramerateFps) { + // Keep frame rate unchanged and adjust bit rate. + this.targetFramerateFps = DEFAULT_FRAMERATE_FPS; + this.targetBitrateBps = (int) (targetBitrateBps * DEFAULT_FRAMERATE_FPS / targetFramerateFps); + } +} |