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#pragma once
/*
* Copyright (C) 2005-2010 Team XBMC
* http://www.xbmc.org
*
* 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, 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 XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#if (defined HAVE_CONFIG_H) && (!defined WIN32)
#include "config.h"
#endif
#include "DynamicDll.h"
#include "DllAvUtil.h"
#include "utils/log.h"
extern "C" {
#ifndef HAVE_MMX
#define HAVE_MMX
#endif
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#ifndef __GNUC__
#pragma warning(disable:4244)
#endif
#if (defined USE_EXTERNAL_FFMPEG)
#if (defined HAVE_LIBSWSCALE_SWSCALE_H)
#include <libswscale/swscale.h>
#elif (defined HAVE_FFMPEG_SWSCALE_H)
#include <ffmpeg/swscale.h>
#endif
#else
#include "libswscale/swscale.h"
#endif
}
#include "../xbmc/utils/CPUInfo.h"
inline int SwScaleCPUFlags()
{
unsigned int cpuFeatures = g_cpuInfo.GetCPUFeatures();
int flags = 0;
if (cpuFeatures & CPU_FEATURE_MMX)
flags |= SWS_CPU_CAPS_MMX;
if (cpuFeatures & CPU_FEATURE_MMX2)
flags |= SWS_CPU_CAPS_MMX2;
if (cpuFeatures & CPU_FEATURE_3DNOW)
flags |= SWS_CPU_CAPS_3DNOW;
if (cpuFeatures & CPU_FEATURE_ALTIVEC)
flags |= SWS_CPU_CAPS_ALTIVEC;
return flags;
}
class DllSwScaleInterface
{
public:
virtual ~DllSwScaleInterface() {}
virtual struct SwsContext *sws_getCachedContext(struct SwsContext *context,
int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)=0;
virtual struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)=0;
virtual int sws_scale(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])=0;
virtual void sws_freeContext(struct SwsContext *context)=0;
};
#if (defined USE_EXTERNAL_FFMPEG)
// We call into this library directly.
class DllSwScale : public DllDynamic, public DllSwScaleInterface
{
public:
virtual ~DllSwScale() {}
virtual struct SwsContext *sws_getCachedContext(struct SwsContext *context,
int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)
{ return ::sws_getCachedContext(context, srcW, srcH, (enum PixelFormat)srcFormat, dstW, dstH, (enum PixelFormat)dstFormat, flags, srcFilter, dstFilter, param); }
virtual struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)
{ return ::sws_getContext(srcW, srcH, (enum PixelFormat)srcFormat, dstW, dstH, (enum PixelFormat)dstFormat, flags, srcFilter, dstFilter, param); }
virtual int sws_scale(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{ return ::sws_scale(context, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); }
virtual void sws_freeContext(struct SwsContext *context) { ::sws_freeContext(context); }
// DLL faking.
virtual bool ResolveExports() { return true; }
virtual bool Load() {
CLog::Log(LOGDEBUG, "DllSwScale: Using libswscale system library");
return true;
}
virtual void Unload() {}
};
#else
class DllSwScale : public DllDynamic, public DllSwScaleInterface
{
DECLARE_DLL_WRAPPER(DllSwScale, DLL_PATH_LIBSWSCALE)
DEFINE_METHOD11(struct SwsContext *, sws_getCachedContext, ( struct SwsContext *p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8,
SwsFilter * p9, SwsFilter * p10, double * p11))
DEFINE_METHOD10(struct SwsContext *, sws_getContext, ( int p1, int p2, int p3, int p4, int p5, int p6, int p7,
SwsFilter * p8, SwsFilter * p9, double * p10))
DEFINE_METHOD7(int, sws_scale, (struct SwsContext *p1, uint8_t** p2, int *p3, int p4, int p5, uint8_t **p6, int *p7))
DEFINE_METHOD1(void, sws_freeContext, (struct SwsContext *p1))
BEGIN_METHOD_RESOLVE()
RESOLVE_METHOD(sws_getCachedContext)
RESOLVE_METHOD(sws_getContext)
RESOLVE_METHOD(sws_scale)
RESOLVE_METHOD(sws_freeContext)
END_METHOD_RESOLVE()
/* dependency of libswscale */
DllAvUtil m_dllAvUtil;
public:
virtual bool Load()
{
if (!m_dllAvUtil.Load())
return false;
return DllDynamic::Load();
}
};
#endif
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