diff options
Diffstat (limited to 'Src/nsvdec_vp3/vp3stub.cpp')
| -rw-r--r-- | Src/nsvdec_vp3/vp3stub.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/Src/nsvdec_vp3/vp3stub.cpp b/Src/nsvdec_vp3/vp3stub.cpp new file mode 100644 index 00000000..4be4feb7 --- /dev/null +++ b/Src/nsvdec_vp3/vp3stub.cpp @@ -0,0 +1,140 @@ +#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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