Initial community commit

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;
+}
+}