OpenShot Library | libopenshot 0.3.3
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Delay.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_DELAY_AUDIO_EFFECT_H
14#define OPENSHOT_DELAY_AUDIO_EFFECT_H
15
16#include "EffectBase.h"
17
18#include "Json.h"
19#include "KeyFrame.h"
20
21#include <memory>
22#include <string>
23
24#include <AppConfig.h>
25#include <juce_audio_basics/juce_audio_basics.h>
26
27namespace openshot
28{
29 class Frame;
30
35 class Delay : public EffectBase
36 {
37 private:
39 void init_effect_details();
40
41 public:
43
49
51 Delay();
52
54 Delay(Keyframe new_delay_time);
55
56 std::shared_ptr<openshot::Frame> GetFrame(int64_t frame_number) override {
57 return GetFrame(std::make_shared<openshot::Frame>(), frame_number);
58 }
59
60 void setup(std::shared_ptr<openshot::Frame> frame);
61
62 std::shared_ptr<openshot::Frame>
63 GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number) override;
64
65 // Get and Set JSON methods
66 std::string Json() const override;
67 void SetJson(const std::string value) override;
68 Json::Value JsonValue() const override;
69 void SetJsonValue(const Json::Value root) override;
70
71 std::string PropertiesJSON(int64_t requested_frame) const override;
72 };
73
74}
75
76#endif
Header file for EffectBase class.
Header file for JSON class.
Header file for the Keyframe class.
This class adds a delay into the audio.
Definition Delay.h:36
juce::AudioBuffer< float > delay_buffer
Definition Delay.h:44
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
Definition Delay.cpp:141
Keyframe delay_time
Definition Delay.h:42
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 Delay.h:56
Delay()
Default constructor.
Definition Delay.cpp:19
void SetJson(const std::string value) override
Load JSON string into this object.
Definition Delay.cpp:124
Json::Value JsonValue() const override
Generate Json::Value for this object.
Definition Delay.cpp:112
std::string Json() const override
Generate JSON string of this object.
Definition Delay.cpp:105
int delay_write_position
Definition Delay.h:47
int delay_buffer_samples
Definition Delay.h:45
std::string PropertiesJSON(int64_t requested_frame) const override
Definition Delay.cpp:152
bool initialized
Definition Delay.h:48
int delay_buffer_channels
Definition Delay.h:46
void setup(std::shared_ptr< openshot::Frame > frame)
Definition Delay.cpp:41
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 namespace is the default namespace for all code in the openshot library.
Definition Compressor.h:29