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#include "../nsv/nsvplay/main.h"
#include "../vp32/include/duck_dxl.h"
#include "vfw.h"
extern "C" {
void GetImageBufs(DXL_XIMAGE_HANDLE x, YV12_PLANES *p);
};
int vp3_postprocess=0;
int vp3_targetcpu=0;
class VP3_Decoder : public IVideoDecoder {
public:
VP3_Decoder(int w, int h, int uvflip);
~VP3_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() { }
private:
int m_uvflip;
int l_tcpu, l_pp;
static int init;
DXL_XIMAGE_HANDLE xim;
YV12_PLANES vidbufdec;
};
int VP3_Decoder::init;
VP3_Decoder::VP3_Decoder(int w, int h, int uvflip)
{
l_tcpu=-1;
l_pp=-1;
if (!init)
{
init=1;
DXL_InitVideoEx(1,1);
}
m_uvflip=uvflip;
vidbufdec.y.baseAddr=0;
xim = DXL_AlterXImage( NULL, (unsigned char *)"" ,MAKEFOURCC('V','P','3','1'), DXRGBNULL,0,0);
}
VP3_Decoder::~VP3_Decoder()
{
if ( xim ) DXL_DestroyXImage( xim);
}
int VP3_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 (vp3_postprocess != l_pp || vp3_targetcpu != l_tcpu)
{
l_pp=vp3_postprocess;
l_tcpu=vp3_targetcpu;
if (l_pp)
{
int v=l_tcpu;
if (v < 1) v=1;
if (v > 100) v=100;
vp31_SetParameter(xim,1, v);
vp31_SetParameter(xim,0, 9);
}
else
{
vp31_SetParameter(xim,1, 0);
vp31_SetParameter(xim,0, 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))
{
GetImageBufs(xim,&vidbufdec);
if (m_uvflip)
{
YV12_PLANE tmp=vidbufdec.v;
vidbufdec.v=vidbufdec.u;
vidbufdec.u=tmp;
}
*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;
}
/*
IVideoDecoder *VP3_CREATE(int w, int h, double framerate, unsigned int fmt, int *flip)
{
if (fmt == NSV_MAKETYPE('V','P','3',' ') || fmt == NSV_MAKETYPE('V','P','3','1'))
{
*flip=1;
return new VP3_Decoder(w,h,fmt == NSV_MAKETYPE('V','P','3',' '));
}
return NULL;
}
*/
extern "C" {
__declspec(dllexport) IVideoDecoder *CreateVideoDecoder(int w, int h, double framerate, unsigned int fmt, int *flip)
{
if (fmt == NSV_MAKETYPE('V','P','3',' ') || fmt == NSV_MAKETYPE('V','P','3','0') || fmt == NSV_MAKETYPE('V','P','3','1'))
{
*flip=1;
return new VP3_Decoder(w,h,fmt == NSV_MAKETYPE('V','P','3',' '));
}
return NULL;
}
}
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