OpenShot Library | libopenshot 0.3.3
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Noise.h
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1
9// Copyright (c) 2008-2019 OpenShot Studios, LLC
10//
11// SPDX-License-Identifier: LGPL-3.0-or-later
12
13#ifndef OPENSHOT_NOISE_AUDIO_EFFECT_H
14#define OPENSHOT_NOISE_AUDIO_EFFECT_H
15
16#include "../EffectBase.h"
17
18#include "../Frame.h"
19#include "../Json.h"
20#include "../KeyFrame.h"
21
22#include <memory>
23#include <string>
24#include <random>
25#include <math.h>
26
27
28namespace openshot
29{
30
35 class Noise : public EffectBase
36 {
37 private:
39 void init_effect_details();
40
41 public:
43
45 Noise();
46
51
52 std::shared_ptr<openshot::Frame> GetFrame(int64_t frame_number) override {
53 return GetFrame(std::make_shared<openshot::Frame>(), frame_number);
54 }
55
56 std::shared_ptr<openshot::Frame>
57 GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number) override;
58
59 // Get and Set JSON methods
60 std::string Json() const override;
61 void SetJson(const std::string value) override;
62 Json::Value JsonValue() const override;
63 void SetJsonValue(const Json::Value root) override;
64
65 std::string PropertiesJSON(int64_t requested_frame) const override;
66 };
67
68}
69
70#endif
This abstract class is the base class, used by all effects in libopenshot.
Definition EffectBase.h:54
A Keyframe is a collection of Point instances, which is used to vary a number or property over time.
Definition KeyFrame.h:53
This class adds a noise into the audio.
Definition Noise.h:36
std::shared_ptr< openshot::Frame > GetFrame(int64_t frame_number) override
This method is required for all derived classes of ClipBase, and returns a new openshot::Frame object...
Definition Noise.h:52
void SetJson(const std::string value) override
Load JSON string into this object.
Definition Noise.cpp:87
Json::Value JsonValue() const override
Generate Json::Value for this object.
Definition Noise.cpp:75
std::string Json() const override
Generate JSON string of this object.
Definition Noise.cpp:68
std::string PropertiesJSON(int64_t requested_frame) const override
Definition Noise.cpp:115
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
Definition Noise.cpp:104
Noise()
Default constructor.
Definition Noise.cpp:22
Keyframe level
Noise level keyframe. The amount of noise inserted on the audio.
Definition Noise.h:42
This namespace is the default namespace for all code in the openshot library.
Definition Compressor.h:29