// returns the framerate of the stream
double dpvsimpledecode_getframerate(void *stream);
+// returns aspect ratio of the stream
+double dpvsimpledecode_getaspectratio(void *stream);
+
// decodes a video frame to the supplied output pixels
int dpvsimpledecode_video(void *stream, void *imagedata, unsigned int Rmask, unsigned int Gmask, unsigned int Bmask, unsigned int bytesperpixel, int imagebytesperrow);