blob: e152bb98bed4d7f32d47563006df4cae6ec01aae [file] [log] [blame]
* Copyright (c) 2011 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.
* video_decimator.h
#include "typedefs.h"
#include "module_common_types.h"
namespace webrtc {
class VPMVideoDecimator
void Reset();
void EnableTemporalDecimation(bool enable);
WebRtc_Word32 SetMaxFrameRate(WebRtc_UWord32 maxFrameRate);
WebRtc_Word32 SetTargetFrameRate(WebRtc_UWord32 frameRate);
bool DropFrame();
void UpdateIncomingFrameRate();
// Get Decimated Frame Rate/Dimensions
WebRtc_UWord32 DecimatedFrameRate();
//Get input frame rate
WebRtc_UWord32 InputFrameRate();
void ProcessIncomingFrameRate(WebRtc_Word64 now);
enum { kFrameCountHistorySize = 90};
enum { kFrameHistoryWindowMs = 2000};
// Temporal decimation
WebRtc_Word32 _overShootModifier;
WebRtc_UWord32 _dropCount;
WebRtc_UWord32 _keepCount;
WebRtc_UWord32 _targetFrameRate;
float _incomingFrameRate;
WebRtc_UWord32 _maxFrameRate;
WebRtc_Word64 _incomingFrameTimes[kFrameCountHistorySize];
bool _enableTemporalDecimation;
} //namespace