31 #ifndef OPENSHOT_PARAMETRIC_EQ_AUDIO_EFFECT_H 32 #define OPENSHOT_PARAMETRIC_EQ_AUDIO_EFFECT_H 33 #define _USE_MATH_DEFINES 35 #include "../EffectBase.h" 39 #include "../KeyFrame.h" 59 void init_effect_details();
82 std::shared_ptr<openshot::Frame>
GetFrame(int64_t frame_number)
override {
83 return GetFrame(std::make_shared<openshot::Frame>(), frame_number);
95 std::shared_ptr<openshot::Frame>
GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number)
override;
98 std::string
Json()
const override;
99 void SetJson(
const std::string value)
override;
105 std::string
PropertiesJSON(int64_t requested_frame)
const override;
111 const double q_factor,
113 const int filter_type);
118 void updateFilters(int64_t frame_number,
double sample_rate);
This abstract class is the base class, used by all effects in libopenshot.
void updateFilters(int64_t frame_number, double sample_rate)
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
void SetJson(const std::string value) override
Load JSON string into this object.
FilterType
This enumeration determines the filter type of ParametricEQ Effect.
std::string PropertiesJSON(int64_t requested_frame) const override
Json::Value JsonValue() const override
Generate Json::Value for this object.
juce::OwnedArray< Filter > filters
ParametricEQ()
Blank constructor, useful when using Json to load the effect properties.
This namespace is the default namespace for all code in the openshot library.
This class adds a equalization into the audio.
openshot::FilterType filter_type
A Keyframe is a collection of Point instances, which is used to vary a number or property over time...
std::string Json() const override
Generate JSON string of this object.
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...
void updateCoefficients(const double discrete_frequency, const double q_factor, const double gain, const int filter_type)