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winamp/Src/vp6/nsvdec.cpp

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2024-09-24 12:54:57 +00:00
#include "nsvdec.h"
#ifdef _WIN32
#include <windows.h>
#endif
#include <bfc/platform/export.h>
#include "../nsv/nsvlib.h"
#include "../nsv/dec_if.h"
#include "duck_dxl.h"
#include <stddef.h>
extern "C" {
void GetImageBufs(DXL_XIMAGE_HANDLE x, YV12_PLANES *p);
void vp60_SetParameter ( DXL_XIMAGE_HANDLE src, int Command, uintptr_t Parameter );
int vp60_getWH(DXL_XIMAGE_HANDLE src, int *w, int *h);
};
int vp6_postProcess=6;
int vp6_cpuFree=70;
int vp6_deInterlace=0;
int vp6_addNoise=1;
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,
PBC_SET_ADDNOISE
} PB_COMMAND_TYPE;
VP6_Decoder::VP6_Decoder(int w, int h)
{
l_tcpu=-1;
l_pp=-1;
vidbufdec.y.baseAddr=0;
xim = DXL_AlterXImage( NULL, (unsigned char *)"" ,NSV_MAKETYPE('V','P','6','0'), DXRGBNULL,0,0);
}
VP6_Decoder::~VP6_Decoder()
{
if ( xim ) DXL_DestroyXImage( xim);
}
int VP6_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);
unsigned char *data=(unsigned char *)in;
if (!xim) return -1;
*out_type=NSV_MAKETYPE('Y','V','1','2');
if (vp6_postProcess != l_pp || vp6_cpuFree != l_tcpu)
{
l_pp=vp6_postProcess;
l_tcpu=vp6_cpuFree;
if(vp6_cpuFree)
DXL_SetParameter(xim, PBC_SET_CPUFREE, vp6_cpuFree);
else
DXL_SetParameter(xim, PBC_SET_POSTPROC, vp6_postProcess);
DXL_SetParameter(xim, PBC_SET_DEINTERLACEMODE, vp6_deInterlace );
DXL_SetParameter(xim, PBC_SET_ADDNOISE, vp6_addNoise);
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))
{
#ifdef _M_IX86
_asm {
emms;
};
#endif
GetImageBufs(xim,&vidbufdec);
*out=&vidbufdec;
if (provide_width_height)
{
int w, h;
vp60_getWH(xim, &w, &h);
out_type[1] = w;
out_type[2] = h;
}
return 0;
}
return -1;
}