/**
* Wrapper for the cc3 library's cc3_frame_diff_scanline_start function.
* Just gets the framediff object passed in from lua, calls the c function,
* and then sticks the integer returned onto the lua stack.
*/
int framediff_scanline_start(lua_State *_l) {
cc3_frame_diff_pkt_t *pkt = checkframediff(_l, 1);
int rv = cc3_frame_diff_scanline_start(pkt);
lua_pushinteger(_l, rv);
return 1; // one return value
}
void frame_diff (cc3_frame_diff_pkt_t * pkt)
{
uint8_t old_coi = cc3_g_pixbuf_frame.coi;
cc3_pixbuf_frame_set_coi (pkt->coi);
cc3_image_t img;
img.channels = 1;
img.width = cc3_g_pixbuf_frame.width;
img.height = 1; // 1 row for scanline processing
img.pix = (void*)tempBuffer;
if (cc3_frame_diff_scanline_start (pkt) != 0)
{
while (cc3_pixbuf_read_rows (img.pix, 1))
{
cc3_frame_diff_scanline (&img, pkt);
}
cc3_frame_diff_scanline_finish (pkt);
}
else
printf ("frame diff start error\r");
cc3_pixbuf_frame_set_coi (old_coi);
}
