1 files changed, 113 insertions, 0 deletions
diff --git a/Src/vp6/nsvdec.cpp b/Src/vp6/nsvdec.cpp
new file mode 100644
index 00000000..341c1709
--- /dev/null
+++ b/Src/vp6/nsvdec.cpp
@@ -0,0 +1,113 @@
+#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;
+}