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vcmi/client/media/IVideoPlayer.h
2024-09-12 23:06:33 +02:00

52 lines
1.3 KiB
C++

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