deinterlacer.h

linux下实现视频播放的播放器

/*
 *  Copyright (C) 2008  gulikoza, mtrooper
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/* $Id$ */

#ifndef __DEINTERLACER_H__
#define __DEINTERLACER_H__

#include "iptv.h"
#include "memcpy.h"

#define DEINT_WEAVE   0
#define DEINT_DISCARD 1
#define DEINT_MEAN    2
#define DEINT_BLEND   3

struct deint {
    int src_pitch[3], dst_pitch[3];
    int height, width, flags;
    deint():flags(0) { }
};

typedef void* (*MEM_COPY)(void*, const void*, size_t);

#include "log.h"
#define MODULE "Deinterlacer"

class Deinterlacer {
protected:
    MEM_COPY MemCopy;

public:
    Deinterlacer() {
#ifdef HAVE_ALTIVEC_H
	if(SDL_HasAltiVec()) {
	    MemCopy = IPTV_memcpy;
	    LOG_MSG("Using Altivec optimizations");
	} else
#endif
#if (C_HOSTCPU == X86) || (C_HOSTCPU == X86_64)
	if(SDL_HasSSE2()) {
	    MemCopy = sse_memcpy;
	    LOG_MSG("Using SSE2 optimizations");
	} else
	if(SDL_HasSSE()) {
	    MemCopy = sse_memcpy;
	    LOG_MSG("Using SSE optimizations");
	} else
	if(SDL_Has3DNow()) {
	    MemCopy = mmx_memcpy;
	    LOG_MSG("Using 3DNow optimizations");
	} else
	if(SDL_HasMMX()) {
	    MemCopy = mmx_memcpy;
	    LOG_MSG("Using MMX optimizations");
	} else
#endif
	{
	    MemCopy = IPTV_memcpy;
	    LOG_MSG("Using unoptimized copy");
	}
    }

    virtual void Render(unsigned char * ptr[],  unsigned char * src[], deint * d) = 0;
    virtual bool IsHalf() { };
    virtual ~Deinterlacer() { };
};

#ifdef MODULE
#undef MODULE
#endif

#endif //__DEINTERLACER_H__