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itgmania212121/src/arch/MovieTexture/MovieTexture_Generic.h
T

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5.0 KiB
C++

#ifndef RAGE_MOVIE_TEXTURE_GENERIC_H
#define RAGE_MOVIE_TEXTURE_GENERIC_H
#include "MovieTexture.h"
class FFMpeg_Helper;
struct RageSurface;
struct RageTextureLock;
class RageTextureRenderTarget;
class Sprite;
enum MovieDecoderPixelFormatYCbCr
{
PixelFormatYCbCr_YUYV422,
NUM_PixelFormatYCbCr,
PixelFormatYCbCr_Invalid
};
class MovieDecoder
{
public:
virtual ~MovieDecoder() { }
virtual RString Open( RString sFile ) = 0;
virtual void Close() = 0;
virtual void Rewind() = 0;
/*
* Decode a frame. Return 1 on success, 0 on EOF, -1 on fatal error.
*
* If we're lagging behind the video, fTargetTime will be the target
* timestamp. The decoder may skip frames to catch up. On return,
* the current timestamp must be <= fTargetTime.
*
* Otherwise, fTargetTime will be -1, and the next frame should be
* decoded; skip frames only if necessary to recover from errors.
*/
virtual int DecodeFrame( float fTargetTime ) = 0;
/*
* Get the currently-decoded frame.
*/
virtual void GetFrame( RageSurface *pOut ) = 0;
/* Return the dimensions of the image, in pixels (before aspect ratio
* adjustments). */
virtual int GetWidth() const = 0;
virtual int GetHeight() const = 0;
/* Return the aspect ratio of a pixel in the image. Usually 1. */
virtual float GetSourceAspectRatio() const { return 1.0f; }
/*
* Create a surface acceptable to pass to GetFrame. This should be
* a surface which is realtime-compatible with DISPLAY, and should
* attempt to obey bPreferHighColor. The given size will usually be
* the next power of two higher than GetWidth/GetHeight, but on systems
* with limited texture resolution, may be smaller.
*
* If DISPLAY supports the EffectMode_YUYV422 blend mode, this may be
* a packed-pixel YUV surface. UYVY maps to RGBA, respectively. If
* used, set fmtout.
*/
virtual RageSurface *CreateCompatibleSurface( int iTextureWidth, int iTextureHeight, bool bPreferHighColor, MovieDecoderPixelFormatYCbCr &fmtout ) = 0;
/* The following functions return information about the current frame,
* decoded by the last successful call to GetFrame, and will never be
* called before that. */
/* Get the timestamp, in seconds, when the current frame should be
* displayed. The first frame will always be 0. */
virtual float GetTimestamp() const = 0;
/* Get the duration, in seconds, to display the current frame. */
virtual float GetFrameDuration() const = 0;
};
class MovieTexture_Generic: public RageMovieTexture
{
public:
MovieTexture_Generic( RageTextureID ID, MovieDecoder *pDecoder );
virtual ~MovieTexture_Generic();
RString Init();
/* only called by RageTextureManager::InvalidateTextures */
void Invalidate();
virtual void Reload();
virtual void SetPosition( float fSeconds );
virtual void DecodeSeconds( float fSeconds );
virtual void SetPlaybackRate( float fRate ) { m_fRate = fRate; }
void SetLooping( bool bLooping=true ) { m_bLoop = bLooping; }
unsigned GetTexHandle() const;
static EffectMode GetEffectMode( MovieDecoderPixelFormatYCbCr fmt );
private:
MovieDecoder *m_pDecoder;
float m_fRate;
enum {
FRAME_NONE, /* no frame available; call GetFrame to get one */
FRAME_DECODED /* frame decoded; waiting until it's time to display it */
} m_ImageWaiting;
bool m_bLoop;
bool m_bWantRewind;
enum State { DECODER_QUIT, DECODER_RUNNING } m_State;
unsigned m_uTexHandle;
RageTextureRenderTarget *m_pRenderTarget;
RageTexture *m_pTextureIntermediate;
Sprite *m_pSprite;
RageSurface *m_pSurface;
RageTextureLock *m_pTextureLock;
/* The time the movie is actually at: */
float m_fClock;
bool m_bFrameSkipMode;
void UpdateFrame();
void CreateTexture();
void DestroyTexture();
bool DecodeFrame();
float CheckFrameTime();
};
#endif
/*
* (c) 2003-2005 Glenn Maynard
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons to
* whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/