Sayonara Player
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Crossfader.h
1/* CrossFader.h */
2
3/* Copyright (C) 2011-2024 Michael Lugmair (Lucio Carreras)
4 *
5 * This file is part of sayonara player
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21/* CrossFader.h */
22
23#ifndef SAYONARA_ENGINE_CROSSFADER_H
24#define SAYONARA_ENGINE_CROSSFADER_H
25
26#include "Utils/Pimpl.h"
27#include "PipelineInterfaces.h"
28#include <QThread>
29
30#include <gst/gst.h>
31
32namespace PipelineExtensions
33{
35 {
36 public:
37 enum class FadeMode :
38 unsigned char
39 {
40 NoFading = 0,
41 FadeIn,
42 FadeOut
43 };
44
45 virtual ~Crossfader();
46
47 virtual void fadeIn() = 0;
48 virtual void fadeOut() = 0;
49 virtual void abortFading() = 0;
50 [[nodiscard]] virtual bool isFading() const = 0;
51 [[nodiscard]] virtual FadeMode mode() const = 0;
52
53 [[nodiscard]] static MilliSeconds fadingTimeMs();
54 };
55
56 std::shared_ptr<Crossfader>
57 createCrossfader(PlaystateController* playStateController, GstElement* volume);
58}
59
60#endif // SAYONARA_ENGINE_CROSSFADER_H
Definition Crossfader.h:35
Definition PipelineInterfaces.h:27