mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-12 10:03:53 +02:00
111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
/*
|
|
* CVideoHandler.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
|
|
|
|
#ifndef DISABLE_VIDEO
|
|
|
|
#include "../lib/Point.h"
|
|
#include "IVideoPlayer.h"
|
|
|
|
struct SDL_Surface;
|
|
struct SDL_Texture;
|
|
struct AVFormatContext;
|
|
struct AVCodecContext;
|
|
struct AVCodecParameters;
|
|
struct AVCodec;
|
|
struct AVFrame;
|
|
struct AVIOContext;
|
|
|
|
VCMI_LIB_NAMESPACE_BEGIN
|
|
class CInputStream;
|
|
class Point;
|
|
VCMI_LIB_NAMESPACE_END
|
|
|
|
class FFMpegStream : boost::noncopyable
|
|
{
|
|
std::unique_ptr<CInputStream> input;
|
|
|
|
AVIOContext * context = nullptr;
|
|
AVFormatContext * formatContext = nullptr;
|
|
|
|
const AVCodec * codec = nullptr;
|
|
AVCodecContext * codecContext = nullptr;
|
|
int streamIndex = -1;
|
|
|
|
AVFrame * frame = nullptr;
|
|
|
|
protected:
|
|
void openContext();
|
|
void openCodec(int streamIndex);
|
|
|
|
int findVideoStream() const;
|
|
int findAudioStream() const;
|
|
|
|
const AVCodecParameters * getCodecParameters() const;
|
|
const AVCodecContext * getCodecContext() const;
|
|
void decodeNextFrame();
|
|
const AVFrame * getCurrentFrame() const;
|
|
double getCurrentFrameEndTime() const;
|
|
double getCurrentFrameDuration() const;
|
|
|
|
public:
|
|
virtual ~FFMpegStream();
|
|
|
|
bool openInput(const VideoPath & fname);
|
|
};
|
|
|
|
class CAudioInstance final : public FFMpegStream
|
|
{
|
|
public:
|
|
std::pair<std::unique_ptr<ui8[]>, si64> extractAudio(const VideoPath & videoToOpen);
|
|
};
|
|
|
|
class CVideoInstance final : public IVideoInstance, public FFMpegStream
|
|
{
|
|
friend class CVideoPlayer;
|
|
|
|
struct SwsContext * sws = nullptr;
|
|
SDL_Texture * textureRGB = nullptr;
|
|
SDL_Texture * textureYUV = nullptr;
|
|
SDL_Surface * surface = nullptr;
|
|
Point dimensions;
|
|
|
|
/// video playback current progress, in seconds
|
|
double frameTime = 0.0;
|
|
|
|
void prepareOutput(bool scaleToScreenSize, bool useTextureOutput);
|
|
|
|
public:
|
|
~CVideoInstance();
|
|
|
|
void openVideo();
|
|
bool loadNextFrame();
|
|
|
|
bool videoEnded() final;
|
|
Point size() final;
|
|
|
|
void show(const Point & position, Canvas & canvas) final;
|
|
void tick(uint32_t msPassed) final;
|
|
};
|
|
|
|
class CVideoPlayer final : public IVideoPlayer
|
|
{
|
|
bool openAndPlayVideoImpl(const VideoPath & name, const Point & position, bool useOverlay, bool scale, bool stopOnKey);
|
|
void openVideoFile(CVideoInstance & state, const VideoPath & fname);
|
|
|
|
public:
|
|
bool playIntroVideo(const VideoPath & name) final;
|
|
void playSpellbookAnimation(const VideoPath & name, const Point & position) final;
|
|
std::unique_ptr<IVideoInstance> open(const VideoPath & name, bool scaleToScreen) final;
|
|
std::pair<std::unique_ptr<ui8[]>, si64> getAudio(const VideoPath & videoToOpen) final;
|
|
};
|
|
|
|
#endif
|