121 lines
2.4 KiB
C++
121 lines
2.4 KiB
C++
#include "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,w,h);
|
|
}
|
|
|
|
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)
|
|
{
|
|
BYTE *data=(BYTE*)in;
|
|
|
|
if (!xim) return -1;
|
|
|
|
*out_type=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;
|
|
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;
|
|
}
|