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55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/*
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* IVideoPlayer.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "../lib/filesystem/ResourcePath.h"
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class Canvas;
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VCMI_LIB_NAMESPACE_BEGIN
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class Point;
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VCMI_LIB_NAMESPACE_END
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class IVideoInstance
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{
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public:
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/// Returns true if video playback is over
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virtual bool videoEnded() = 0;
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/// Returns dimensions of the video
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virtual Point size() = 0;
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/// Displays current frame at specified position
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virtual void show(const Point & position, Canvas & canvas) = 0;
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/// Advances video playback by specified duration
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virtual void tick(uint32_t msPassed) = 0;
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virtual ~IVideoInstance() = default;
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};
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class IVideoPlayer : boost::noncopyable
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{
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public:
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/// Plays video on top of the screen, returns only after playback is over, aborts on input event
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virtual bool playIntroVideo(const VideoPath & name) = 0;
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/// Plays video on top of the screen, returns only after playback is over
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virtual void playSpellbookAnimation(const VideoPath & name, const Point & position) = 0;
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/// Load video from specified path. Returns nullptr on failure
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virtual std::unique_ptr<IVideoInstance> open(const VideoPath & name, bool scaleToScreen) = 0;
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/// Extracts audio data from provided video in wav format
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virtual std::pair<std::unique_ptr<ui8[]>, si64> getAudio(const VideoPath & videoToOpen) = 0;
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virtual ~IVideoPlayer() = default;
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};
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