OpenShot Library | libopenshot 0.2.7
Deinterlace.h
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1/**
2 * @file
3 * @brief Header file for De-interlace class
4 * @author Jonathan Thomas <jonathan@openshot.org>
5 *
6 * @ref License
7 */
8
9/* LICENSE
10 *
11 * Copyright (c) 2008-2019 OpenShot Studios, LLC
12 * <http://www.openshotstudios.com/>. This file is part of
13 * OpenShot Library (libopenshot), an open-source project dedicated to
14 * delivering high quality video editing and animation solutions to the
15 * world. For more information visit <http://www.openshot.org/>.
16 *
17 * OpenShot Library (libopenshot) is free software: you can redistribute it
18 * and/or modify it under the terms of the GNU Lesser General Public License
19 * as published by the Free Software Foundation, either version 3 of the
20 * License, or (at your option) any later version.
21 *
22 * OpenShot Library (libopenshot) is distributed in the hope that it will be
23 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU Lesser General Public License for more details.
26 *
27 * You should have received a copy of the GNU Lesser General Public License
28 * along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
29 */
30
31#ifndef OPENSHOT_DEINTERLACE_EFFECT_H
32#define OPENSHOT_DEINTERLACE_EFFECT_H
33
34#include "../EffectBase.h"
35
36#include <string>
37#include <memory>
38#include "../Frame.h"
39#include "../Json.h"
40#include "../KeyFrame.h"
41
42namespace openshot
43{
44
45 /**
46 * @brief This class uses the ImageMagick++ libraries, to de-interlace the image, which
47 * removes the EVEN or ODD horizontal lines (which represent different points of time).
48 *
49 * This is most useful when converting video made for traditional TVs to computers,
50 * which are not interlaced.
51 */
52 class Deinterlace : public EffectBase
53 {
54 private:
55 bool isOdd;
56
57 /// Init effect settings
58 void init_effect_details();
59
60 public:
61
62 /// Default constructor, useful when using Json to load the effect properties
64
65 /// Constructor
66 Deinterlace(bool isOdd);
67
68 /// @brief This method is required for all derived classes of ClipBase, and returns a
69 /// new openshot::Frame object. All Clip keyframes and effects are resolved into
70 /// pixels.
71 ///
72 /// @returns A new openshot::Frame object
73 /// @param frame_number The frame number (starting at 1) of the clip or effect on the timeline.
74 std::shared_ptr<openshot::Frame> GetFrame(int64_t frame_number) override { return GetFrame(std::make_shared<openshot::Frame>(), frame_number); }
75
76 /// @brief This method is required for all derived classes of ClipBase, and returns a
77 /// modified openshot::Frame object
78 ///
79 /// The frame object is passed into this method and used as a starting point (pixels and audio).
80 /// All Clip keyframes and effects are resolved into pixels.
81 ///
82 /// @returns The modified openshot::Frame object
83 /// @param frame The frame object that needs the clip or effect applied to it
84 /// @param frame_number The frame number (starting at 1) of the clip or effect on the timeline.
85 std::shared_ptr<openshot::Frame> GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number) override;
86
87 // Get and Set JSON methods
88 std::string Json() const override; ///< Generate JSON string of this object
89 void SetJson(const std::string value) override; ///< Load JSON string into this object
90 Json::Value JsonValue() const override; ///< Generate Json::Value for this object
91 void SetJsonValue(const Json::Value root) override; ///< Load Json::Value into this object
92
93 // Get all properties for a specific frame
94 std::string PropertiesJSON(int64_t requested_frame) const override;
95 };
96
97}
98
99#endif
This class uses the ImageMagick++ libraries, to de-interlace the image, which removes the EVEN or ODD...
Definition: Deinterlace.h:53
std::string Json() const override
Generate JSON string of this object.
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
Deinterlace()
Default constructor, useful when using Json to load the effect properties.
Definition: Deinterlace.cpp:37
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: Deinterlace.h:74
void SetJson(const std::string value) override
Load JSON string into this object.
std::string PropertiesJSON(int64_t requested_frame) const override
Json::Value JsonValue() const override
Generate Json::Value for this object.
This abstract class is the base class, used by all effects in libopenshot.
Definition: EffectBase.h:71
This namespace is the default namespace for all code in the openshot library.
Definition: Compressor.h:47