You've already forked libopenshot
mirror of
https://github.com/OpenShot/libopenshot.git
synced 2026-03-02 08:53:52 -08:00
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/**
|
|
* @file
|
|
* @brief Header file for ChromaKey class
|
|
* @author Jonathan Thomas <jonathan@openshot.org>
|
|
*
|
|
* @section LICENSE
|
|
*
|
|
* Copyright (c) 2008-2014 OpenShot Studios, LLC
|
|
* <http://www.openshotstudios.com/>. This file is part of
|
|
* OpenShot Library (libopenshot), an open-source project dedicated to
|
|
* delivering high quality video editing and animation solutions to the
|
|
* world. For more information visit <http://www.openshot.org/>.
|
|
*
|
|
* OpenShot Library (libopenshot) is free software: you can redistribute it
|
|
* and/or modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* OpenShot Library (libopenshot) is distributed in the hope that it will be
|
|
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPENSHOT_CHROMAKEY_EFFECT_H
|
|
#define OPENSHOT_CHROMAKEY_EFFECT_H
|
|
|
|
#include "../EffectBase.h"
|
|
|
|
#include <cmath>
|
|
#include <ctime>
|
|
#include <iostream>
|
|
#include <omp.h>
|
|
#include <stdio.h>
|
|
#include <memory>
|
|
#include "../Color.h"
|
|
#include "../Exceptions.h"
|
|
#include "../KeyFrame.h"
|
|
|
|
using namespace std;
|
|
|
|
namespace openshot
|
|
{
|
|
|
|
/**
|
|
* @brief This class uses the ImageMagick++ libraries, to remove (i.e. key out) a color (i.e. greenscreen)
|
|
*
|
|
* The greenscreen / bluescreen effect replaces matching colors in the video image with
|
|
* transparent pixels, revealing lower layers in the timeline.
|
|
*/
|
|
class ChromaKey : public EffectBase
|
|
{
|
|
private:
|
|
Color color;
|
|
Keyframe fuzz;
|
|
|
|
/// Init effect settings
|
|
void init_effect_details();
|
|
|
|
public:
|
|
|
|
/// Blank constructor, useful when using Json to load the effect properties
|
|
ChromaKey();
|
|
|
|
/// Default constructor, which takes an openshot::Color object and a 'fuzz' factor, which
|
|
/// is used to determine how similar colored pixels are matched. The higher the fuzz, the
|
|
/// more colors are matched.
|
|
///
|
|
/// @param color The color to match
|
|
/// @param fuzz The fuzz factor (or threshold)
|
|
ChromaKey(Color color, Keyframe fuzz);
|
|
|
|
/// @brief This method is required for all derived classes of EffectBase, and returns a
|
|
/// modified openshot::Frame object
|
|
///
|
|
/// The frame object is passed into this method, and a frame_number is passed in which
|
|
/// tells the effect which settings to use from its keyframes (starting at 1).
|
|
///
|
|
/// @returns The modified openshot::Frame object
|
|
/// @param frame The frame object that needs the effect applied to it
|
|
/// @param frame_number The frame number (starting at 1) of the effect on the timeline.
|
|
std::shared_ptr<Frame> GetFrame(std::shared_ptr<Frame> frame, int64_t frame_number);
|
|
|
|
/// Get and Set JSON methods
|
|
string Json(); ///< Generate JSON string of this object
|
|
void SetJson(string value); ///< Load JSON string into this object
|
|
Json::Value JsonValue(); ///< Generate Json::JsonValue for this object
|
|
void SetJsonValue(Json::Value root); ///< Load Json::JsonValue into this object
|
|
|
|
// Get all properties for a specific frame
|
|
string PropertiesJSON(int64_t requested_frame);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|