mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-24 08:32:34 +02:00
132 lines
4.1 KiB
C++
132 lines
4.1 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
|
|
|
|
#include "../lib/Rect.h"
|
|
#include "../lib/filesystem/ResourcePath.h"
|
|
|
|
struct SDL_Surface;
|
|
struct SDL_Texture;
|
|
|
|
enum class EVideoType : ui8
|
|
{
|
|
INTRO = 0, // use entire window: stopOnKey = true, scale = true, overlay = false
|
|
SPELLBOOK // overlay video: stopOnKey = false, scale = false, overlay = true
|
|
};
|
|
|
|
class IVideoPlayer : boost::noncopyable
|
|
{
|
|
public:
|
|
virtual bool open(const VideoPath & name, bool scale = false)=0; //true - succes
|
|
virtual void close()=0;
|
|
virtual bool nextFrame()=0;
|
|
virtual void show(int x, int y, SDL_Surface *dst, bool update = true)=0;
|
|
virtual void redraw(int x, int y, SDL_Surface *dst, bool update = true)=0; //reblits buffer
|
|
virtual bool wait()=0;
|
|
virtual int curFrame() const =0;
|
|
virtual int frameCount() const =0;
|
|
};
|
|
|
|
class IMainVideoPlayer : public IVideoPlayer
|
|
{
|
|
public:
|
|
virtual ~IMainVideoPlayer() = default;
|
|
virtual void update(int x, int y, SDL_Surface *dst, bool forceRedraw, bool update = true, std::function<void()> restart = nullptr){}
|
|
virtual bool openAndPlayVideo(const VideoPath & name, int x, int y, EVideoType videoType)
|
|
{
|
|
return false;
|
|
}
|
|
virtual std::pair<std::unique_ptr<ui8 []>, si64> getAudio(const VideoPath & videoToOpen) { return std::make_pair(nullptr, 0); };
|
|
virtual Point size() { return Point(0, 0); };
|
|
};
|
|
|
|
class CEmptyVideoPlayer final : public IMainVideoPlayer
|
|
{
|
|
public:
|
|
int curFrame() const override {return -1;};
|
|
int frameCount() const override {return -1;};
|
|
void redraw( int x, int y, SDL_Surface *dst, bool update = true ) override {};
|
|
void show( int x, int y, SDL_Surface *dst, bool update = true ) override {};
|
|
bool nextFrame() override {return false;};
|
|
void close() override {};
|
|
bool wait() override {return false;};
|
|
bool open(const VideoPath & name, bool scale = false) override {return false;};
|
|
};
|
|
|
|
#ifndef DISABLE_VIDEO
|
|
|
|
struct AVFormatContext;
|
|
struct AVCodecContext;
|
|
struct AVCodec;
|
|
struct AVFrame;
|
|
struct AVIOContext;
|
|
|
|
VCMI_LIB_NAMESPACE_BEGIN
|
|
class CInputStream;
|
|
VCMI_LIB_NAMESPACE_END
|
|
|
|
class CVideoPlayer final : public IMainVideoPlayer
|
|
{
|
|
int stream; // stream index in video
|
|
AVFormatContext *format;
|
|
AVCodecContext *codecContext; // codec context for stream
|
|
const AVCodec *codec;
|
|
AVFrame *frame;
|
|
struct SwsContext *sws;
|
|
|
|
AVIOContext * context;
|
|
|
|
VideoPath fname; //name of current video file (empty if idle)
|
|
|
|
// Destination. Either overlay or dest.
|
|
|
|
SDL_Texture *texture;
|
|
SDL_Surface *dest;
|
|
Rect destRect; // valid when dest is used
|
|
Rect pos; // destination on screen
|
|
|
|
/// video playback currnet progress, in seconds
|
|
double frameTime;
|
|
bool doLoop; // loop through video
|
|
|
|
bool playVideo(int x, int y, bool stopOnKey, bool overlay);
|
|
bool open(const VideoPath & fname, bool loop, bool useOverlay = false, bool scale = false);
|
|
public:
|
|
CVideoPlayer();
|
|
~CVideoPlayer();
|
|
|
|
bool init();
|
|
bool open(const VideoPath & fname, bool scale = false) override;
|
|
void close() override;
|
|
bool nextFrame() override; // display next frame
|
|
|
|
void show(int x, int y, SDL_Surface *dst, bool update = true) override; //blit current frame
|
|
void redraw(int x, int y, SDL_Surface *dst, bool update = true) override; //reblits buffer
|
|
void update(int x, int y, SDL_Surface *dst, bool forceRedraw, bool update = true, std::function<void()> onVideoRestart = nullptr) override; //moves to next frame if appropriate, and blits it or blits only if redraw parameter is set true
|
|
|
|
// Opens video, calls playVideo, closes video; returns playVideo result (if whole video has been played)
|
|
bool openAndPlayVideo(const VideoPath & name, int x, int y, EVideoType videoType) override;
|
|
|
|
std::pair<std::unique_ptr<ui8 []>, si64> getAudio(const VideoPath & videoToOpen) override;
|
|
|
|
Point size() override;
|
|
|
|
//TODO:
|
|
bool wait() override {return false;};
|
|
int curFrame() const override {return -1;};
|
|
int frameCount() const override {return -1;};
|
|
|
|
// public to allow access from ffmpeg IO functions
|
|
std::unique_ptr<CInputStream> data;
|
|
std::unique_ptr<CInputStream> dataAudio;
|
|
};
|
|
|
|
#endif
|