Initial community commit

Src/nsv/nsvplay/vp5stub.cpp

@@ -0,0 +1,112 @@
+#include <windows.h>
+#include "../nsvlib.h"
+#include "../dec_if.h"
+
+#include "vfw.h"
+
+class VP5_Decoder : public IVideoDecoder {
+  public:
+    VP5_Decoder(int w, int h);
+    ~VP5_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() { }
+
+    int m_err;
+
+  private:
+    int width,height;
+	  BITMAPINFO vp5_bmo,vp5_bmi;
+	  HIC vp5_hic;  
+    unsigned char *vidbufdec;
+};
+
+VP5_Decoder::VP5_Decoder(int w, int h)
+{
+  width=w;
+  height=h;
+  m_err=0;
+  vp5_hic=0;
+  vidbufdec=(unsigned char*)malloc(sizeof(YV12_PLANES) + w*h*3/2);
+    // init vp5 decode
+  memset((void *) &vp5_bmi,0,sizeof(BITMAPINFO));
+  memset((void *) &vp5_bmo,0,sizeof(BITMAPINFO));
+
+  vp5_bmi.bmiHeader.biCompression = mmioFOURCC('V','P','5','0'); 
+  vp5_bmi.bmiHeader.biHeight=h;
+  vp5_bmi.bmiHeader.biWidth =w;
+
+  vp5_bmo.bmiHeader.biCompression = mmioFOURCC('Y','V','1','2');
+  vp5_bmo.bmiHeader.biHeight=h;
+  vp5_bmo.bmiHeader.biWidth =w;
+  vp5_bmo.bmiHeader.biBitCount = 12;
+
+  vp5_hic = ICOpen(ICTYPE_VIDEO, vp5_bmi.bmiHeader.biCompression, ICMODE_DECOMPRESS);
+  vp5_bmo.bmiHeader.biHeight*=-1;
+  if(!vp5_hic || ICERR_OK !=ICDecompressBegin(vp5_hic, &vp5_bmi, &vp5_bmo))
+  {
+    m_err=1;
+    return;
+  }
+}
+
+VP5_Decoder::~VP5_Decoder()
+{
+  if (vp5_hic)
+  {
+    ICDecompressEnd(vp5_hic);
+  	ICClose(vp5_hic);
+  }
+  free(vidbufdec);
+}
+
+
+int VP5_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)
+{
+  *out_type=NSV_MAKETYPE('Y','V','1','2');
+  vp5_bmi.bmiHeader.biSizeImage = in_len;
+  if(ICERR_OK == ICDecompress(vp5_hic,0,(BITMAPINFOHEADER *) &vp5_bmi, (char*)in,(BITMAPINFOHEADER *) &vp5_bmo, (char*)vidbufdec+sizeof(YV12_PLANES)))
+  {
+    *is_kf=!(!in_len || ((unsigned char *)in)[0] > 0x7f);
+    if (need_kf && !*is_kf) 
+    {
+      return 0;
+    }
+    YV12_PLANES *image_vbd=(YV12_PLANES *)vidbufdec;
+    image_vbd->y.baseAddr=(unsigned char *)(image_vbd+1);
+    image_vbd->v.baseAddr=((unsigned char *)(image_vbd+1)) + width*height;
+    image_vbd->u.baseAddr=((unsigned char *)(image_vbd+1)) + width*height*5/4;
+    image_vbd->y.rowBytes=width;
+    image_vbd->v.rowBytes=width/2;
+    image_vbd->u.rowBytes=width/2;
+    *out=(void*)vidbufdec;
+
+    return 0;
+  }
+
+  return -1;
+
+}
+
+IVideoDecoder *VP5_CREATE(int w, int h, double framerate, unsigned int fmt, int *flip)
+{
+  if (fmt == NSV_MAKETYPE('V','P','5','0')) 
+  {
+    *flip=0;
+    VP5_Decoder *a=new VP5_Decoder(w,h);
+    if (a->m_err)
+    {
+      delete a;
+      return NULL;
+    }
+    return a;
+  }
+  return NULL;
+}