blob: 8ebd82ab9c240f38070f6ef23ec5fa0ae81ccec4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* 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.
*/
#ifndef WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_
#define WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_
#include "webrtc/modules/include/module_common_types.h"
#include "webrtc/typedefs.h"
namespace webrtc {
// MAX_HISTORY_SIZE * SHORT_FILTER_MS defines the window size in milliseconds
#define MAX_HISTORY_SIZE 10
#define SHORT_FILTER_MS 1000
class VCMShortMaxSample {
public:
VCMShortMaxSample() : shortMax(0), timeMs(-1) {}
int32_t shortMax;
int64_t timeMs;
};
class VCMCodecTimer {
public:
VCMCodecTimer();
// Updates the max filtered decode time.
void MaxFilter(int32_t newDecodeTimeMs, int64_t nowMs);
// Empty the list of timers.
void Reset();
// Get the required decode time in ms.
int32_t RequiredDecodeTimeMs(FrameType frameType) const;
private:
void UpdateMaxHistory(int32_t decodeTime, int64_t now);
void ProcessHistory(int64_t nowMs);
int32_t _filteredMax;
// The number of samples ignored so far.
int32_t _ignoredSampleCount;
int32_t _shortMax;
VCMShortMaxSample _history[MAX_HISTORY_SIZE];
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_
|
