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/*
** nsvdec_vp5: vp5stub.cpp - VP5 decompressor
**
** The VP5 portions that this plug-in links with are Copyright (C) On2, Inc.
**
** Copyright (C) 2001-2002 Nullsoft, Inc.
**
** This software is provided 'as-is', without any express or implied warranty.
** In no event will the authors be held liable for any damages arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose, including commercial
** applications, and to alter it and redistribute it freely, subject to the following restrictions:
** 1. The origin of this software must not be misrepresented; you must not claim that you wrote the
** original software. If you use this software in a product, an acknowledgment in the product
** documentation would be appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be misrepresented as
** being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
**
*/
#include <windows.h>
#include "../nsv/nsvlib.h"
#include "../nsv/dec_if.h"
#include "../libvp6/include/duck_dxl.h"
#include <stddef.h>
extern "C" {
void GetImageBufs(DXL_XIMAGE_HANDLE x, YV12_PLANES *p);
void vp50_SetParameter ( DXL_XIMAGE_HANDLE src, int Command, uintptr_t Parameter );
};
int vp5_postProcess=6;
int vp5_cpuFree=70;
int vp5_deInterlace=0;
typedef enum
{
PBC_SET_POSTPROC,
PBC_SET_CPUFREE,
PBC_MAX_PARAM,
PBC_SET_TESTMODE,
PBC_SET_PBSTRUCT,
PBC_SET_BLACKCLAMP,
PBC_SET_WHITECLAMP,
PBC_SET_REFERENCEFRAME,
PBC_SET_DEINTERLACEMODE
} PB_COMMAND_TYPE;
extern "C"
{
int vp50_Init(void);
int vp50_Exit(void);
}
class VP5_Decoder : public IVideoDecoder {
public:
VP5_Decoder(int w, int h);
~VP5_Decoder();
int decode(int need_kf,
void *in, int in_len,
void **out, // out is set to a pointer to data
unsigned int *out_type, // 'Y','V','1','2' is currently defined
int *is_kf);
void flush() { }
void initMmx();
private:
int l_tcpu, l_pp;
static int init;
static int mmx_available;
DXL_XIMAGE_HANDLE xim;
YV12_PLANES vidbufdec;
};
int VP5_Decoder::init;
int VP5_Decoder::mmx_available;
VP5_Decoder::VP5_Decoder(int w, int h)
{
l_tcpu=-1;
l_pp=-1;
if (!init)
{
init=1;
DXL_InitVideo(64,64);
vp50_Init();
initMmx();
}
vidbufdec.y.baseAddr=0;
xim = DXL_AlterXImage( NULL, (unsigned char *)"" ,MAKEFOURCC('V','P','5','0'), DXRGBNULL,0,0);
}
void VP5_Decoder::initMmx()
{
#ifdef _M_IX86
DWORD retval1,retval2;
__try {
_asm {
mov eax, 1 // set up CPUID to return processor version and features
// 0 = vendor string, 1 = version info, 2 = cache info
_emit 0x0f // code bytes = 0fh, 0a2h
_emit 0xa2
mov retval1, eax
mov retval2, edx
}
} __except(EXCEPTION_EXECUTE_HANDLER) { retval1 = retval2 = 0;}
mmx_available = retval1 && (retval2&0x800000);
#else
mmx_available =0;
#endif
}
VP5_Decoder::~VP5_Decoder()
{
if ( xim ) DXL_DestroyXImage( xim);
}
int VP5_Decoder::decode(int need_kf,
void *in, int in_len,
void **out, // out is set to a pointer to data
unsigned int *out_type, // 'Y','V','1','2' is currently defined
int *is_kf)
{
bool provide_width_height = (out_type[0] == 1);
BYTE *data=(BYTE*)in;
if (!xim) return -1;
out_type[0]=NSV_MAKETYPE('Y','V','1','2');
if (vp5_postProcess != l_pp || vp5_cpuFree != l_tcpu)
{
l_pp=vp5_postProcess;
l_tcpu=vp5_cpuFree;
if(vp5_cpuFree)
DXL_SetParameter(xim, PBC_SET_CPUFREE, vp5_cpuFree);
else
DXL_SetParameter(xim, PBC_SET_POSTPROC, vp5_postProcess);
DXL_SetParameter(xim, PBC_SET_DEINTERLACEMODE, vp5_deInterlace );
DXL_SetParameter(xim, PBC_SET_BLACKCLAMP,0);
DXL_SetParameter(xim, PBC_SET_WHITECLAMP,0);
}
DXL_AlterXImageData( xim, data);
DXL_SetXImageCSize(xim, in_len);
*is_kf=!(!in_len || data[0] > 0x7f);
*out=NULL;
if ((need_kf && !*is_kf) || !in_len)
{
return 0;
}
if (!DXL_dxImageToVScreen( xim, NULL))
{
if(mmx_available)
{
#ifdef _M_IX86
_asm {
emms;
};
#endif
}
GetImageBufs(xim,&vidbufdec);
*out=&vidbufdec;
if (provide_width_height)
{
int x, y, w, h;
DXL_GetXImageXYWH(xim, &x, &y, &w, &h);
out_type[1] = w;
out_type[2] = h;
}
return 0;
}
return -1;
}
#ifndef ACTIVEX_CONTROL
extern "C" {
__declspec(dllexport) IVideoDecoder *CreateVideoDecoder(int w, int h, double framerate, unsigned int fmt, int *flip)
{
if (fmt == NSV_MAKETYPE('V','P','5','0'))
{
*flip=1;
return new VP5_Decoder(w,h);
}
return NULL;
}
}
#else
IVideoDecoder *VP5_CREATE(int w, int h, double framerate, unsigned int fmt, int *flip)
{
if (fmt == NSV_MAKETYPE('V','P','5','0'))
{
*flip=1;
return new VP5_Decoder(w,h);
}
return NULL;
}
#endif
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