MPEGvideo.h
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/*
SMPEG - SDL MPEG Player Library
Copyright (C) 1999 Loki Entertainment Software
- Modified by Michel Darricau from eProcess <mdarricau@eprocess.fr> for popcorn -
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* A class based on the MPEG stream class, used to parse and play video */
#ifndef _MPEGVIDEO_H_
#define _MPEGVIDEO_H_
#include "SDL.h"
#include "SDL_thread.h"
#include "MPEGerror.h"
#include "MPEGaction.h"
class MPEGstream;
/* This is the MPEG video stream structure in the mpeg_play code */
struct vid_stream;
typedef struct vid_stream VidStream;
/* Temporary definition of time stamp structure. */
typedef double TimeStamp;
class MPEGvideo : public MPEGerror, public MPEGvideoaction {
/* Thread to play the video asynchronously */
friend int Play_MPEGvideo(void *udata);
/* Various mpeg_play functions that need our data */
friend VidStream* mpegVidRsrc( TimeStamp time_stamp, VidStream* vid_stream, int first );
friend int get_more_data( VidStream* vid_stream );
public:
MPEGvideo(MPEGstream *stream);
virtual ~MPEGvideo();
/* MPEG actions */
void Play(void);
void Stop(void);
void Rewind(void);
void ResetSynchro(double time);
void Skip(float seconds);
/* Michel Darricau from eProcess <mdarricau@eprocess.fr> conflict name in popcorn */
MPEGstatus GetStatus(void);
/* MPEG video actions */
bool GetVideoInfo(MPEG_VideoInfo *info);
bool SetDisplay(SDL_Surface *dst, SDL_mutex *lock,
MPEG_DisplayCallback callback);
void MoveDisplay(int x, int y);
void ScaleDisplayXY(int w, int h);
void SetDisplayRegion(int x, int y, int w, int h);
void RenderFrame(int frame);
void RenderFinal(SDL_Surface *dst, int x, int y);
SMPEG_Filter * Filter(SMPEG_Filter * filter);
/* Display and sync functions */
void DisplayFrame( VidStream* vid_stream );
void ExecuteDisplay( VidStream* vid_stream );
int timeSync( VidStream* vid_stream );
/* Yes, it's a hack.. */
MPEGaudioaction *TimeSource(void ) {
return time_source;
}
protected:
MPEGstream *mpeg;
VidStream* _stream;
SDL_Surface* _dst;
SDL_mutex* _mutex;
SDL_Thread* _thread;
MPEG_DisplayCallback _callback;
int _ow; // original width of the movie
int _oh; // original height of the movie
int _w; // mb aligned width of the movie
int _h; // mb aligned height of the movie
SDL_Rect _srcrect; // source area
SDL_Rect _dstrect; // display area
SDL_Overlay *_image;// source image
float _fps; // frames per second
SMPEG_Filter * _filter; // pointer to the current filter used
SDL_mutex* _filter_mutex; // make sure the filter is not changed while being used
void RewindStream(void);
};
#endif /* _MPEGVIDEO_H_ */