DllPostProc.h

#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 "utils/log.h"

extern "C" {
#define HAVE_MMX
#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_LIBAVUTIL_AVUTIL_H)
    #include <libavutil/avutil.h>
  #elif (defined HAVE_FFMPEG_AVUTIL_H)
    #include <ffmpeg/avutil.h>
  #endif
  #if (defined HAVE_LIBPOSTPROC_POSTPROCESS_H)
    #include <libpostproc/postprocess.h>
  #elif (defined HAVE_POSTPROC_POSTPROCESS_H)
    #include <postproc/postprocess.h>
  #endif
#else
  #include "libavutil/avutil.h"
  #include "libpostproc/postprocess.h"
#endif
}

#include "utils/CPUInfo.h"

inline int PPCPUFlags()
{
  unsigned int cpuFeatures = g_cpuInfo.GetCPUFeatures();
  int flags = 0;

  if (cpuFeatures & CPU_FEATURE_MMX)
    flags |= PP_CPU_CAPS_MMX;
  if (cpuFeatures & CPU_FEATURE_MMX2)
    flags |= PP_CPU_CAPS_MMX2;
  if (cpuFeatures & CPU_FEATURE_3DNOW)
    flags |= PP_CPU_CAPS_3DNOW;
  if (cpuFeatures & CPU_FEATURE_ALTIVEC)
    flags |= PP_CPU_CAPS_ALTIVEC;

  return flags;
}

class DllPostProcInterface
{
public:
   virtual ~DllPostProcInterface() {}
  virtual void pp_postprocess(uint8_t * src[3], int srcStride[3], uint8_t * dst[3], int dstStride[3],
                   int horizontalSize, int verticalSize, QP_STORE_T *QP_store,  int QP_stride,
		           pp_mode *mode, pp_context *ppContext, int pict_type)=0;	           
  virtual pp_mode *pp_get_mode_by_name_and_quality(char *name, int quality)=0;
  virtual void pp_free_mode(pp_mode *mode)=0;
  virtual pp_context *pp_get_context(int width, int height, int flags)=0;
  virtual void pp_free_context(pp_context *ppContext)=0;
};

#if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN) 

// We call directly.
class DllPostProc : public DllDynamic, DllPostProcInterface
{
public:
  
  virtual ~DllPostProc() {}
  virtual void pp_postprocess(uint8_t * src[3], int srcStride[3], uint8_t * dst[3], int dstStride[3],
                  int horizontalSize, int verticalSize, QP_STORE_T *QP_store,  int QP_stride,
                  pp_mode *mode, pp_context *ppContext, int pict_type) { ::pp_postprocess((const uint8_t** )src, srcStride, dst, dstStride, horizontalSize, verticalSize, QP_store, QP_stride, mode, ppContext, pict_type); }             
  virtual pp_mode *pp_get_mode_by_name_and_quality(char *name, int quality) { return ::pp_get_mode_by_name_and_quality(name, quality); }
  virtual void pp_free_mode(pp_mode *mode) { ::pp_free_mode(mode); }
  virtual pp_context *pp_get_context(int width, int height, int flags) { return ::pp_get_context(width, height, flags); }
  virtual void pp_free_context(pp_context *ppContext) { ::pp_free_context(ppContext); }
  
  // DLL faking.
  virtual bool ResolveExports() { return true; }
  virtual bool Load() {
    CLog::Log(LOGDEBUG, "DllPostProc: Using libpostproc system library");
    return true;
  }
  virtual void Unload() {}
};

#else
class DllPostProc : public DllDynamic, DllPostProcInterface
{
  DECLARE_DLL_WRAPPER(DllPostProc, DLL_PATH_LIBPOSTPROC)
  DEFINE_METHOD11(void, pp_postprocess, (uint8_t* p1[3], int p2[3], uint8_t * p3[3], int p4[3],
                      int p5, int p6, QP_STORE_T *p7,  int p8,
                      pp_mode *p9, pp_context *p10, int p11))
  DEFINE_METHOD2(pp_mode*, pp_get_mode_by_name_and_quality, (char *p1, int p2))
  DEFINE_METHOD1(void, pp_free_mode, (pp_mode *p1))
  DEFINE_METHOD3(pp_context*, pp_get_context, (int p1, int p2, int p3))
  DEFINE_METHOD1(void, pp_free_context, (pp_context *p1))

  BEGIN_METHOD_RESOLVE()
    RESOLVE_METHOD(pp_postprocess)
    RESOLVE_METHOD(pp_get_mode_by_name_and_quality)
    RESOLVE_METHOD(pp_free_mode)
    RESOLVE_METHOD(pp_get_context)
    RESOLVE_METHOD(pp_free_context)
  END_METHOD_RESOLVE()
};

#endif