void *vid_get_viewport_fb()
{
// return (void*)0x408CB700;
if ((mode_get()&MODE_MASK) == MODE_REC)
return (void*)(0x408CB700-vid_get_viewport_xoffset()*3);
return (void*)0x408CB700;
}
void *vid_get_viewport_live_fb()
{
// Found by searching RAM locations that referenced 0x405d7980 (viewport buffer)
// and also changed to the other buffer addresses over time. Then used each here
// and selected value that gave the fastest Motion Detect response using http://dataghost.com/chdk/md_meter.html.
return (void*)(*(int*)(0x2250)-vid_get_viewport_xoffset()*3);
}
// Live picture buffer (shoot half-pressed)
void *vid_get_viewport_fb()
{
//SX230
//LDR R1, =0x405D7980 @FF37C5E0
if ((mode_get()&MODE_MASK) == MODE_REC)
return (void*)(0x405D7980-vid_get_viewport_xoffset()*3);
return (void*)0x405D7980;
}
void *vid_get_viewport_live_fb()//found in sub_FF8E0788
{
void **fb=(void **)0x5014;
unsigned char buff = *((unsigned char*)0x4E5C);
if (buff == 0) buff = 2; else buff--;
// return fb[buff];
if ((mode_get()&MODE_MASK) == MODE_REC)
return (void*)(fb[buff]-vid_get_viewport_xoffset()*3);
return (void*)fb[buff];
}
static void get_viewport_size()
{
viewport_height = vid_get_viewport_height()-EDGE_HMARGIN*2; //don't trace bottom lines
viewport_width = vid_get_viewport_width();
viewport_byte_width = vid_get_viewport_buffer_width() * 3;
viewport_xoffset = vid_get_viewport_xoffset();
viewport_yoffset = vid_get_viewport_yoffset();
slice_height = viewport_height / EDGE_SLICES;
}
void *vid_get_viewport_fb() { return (void*)(0x405d7980-vid_get_viewport_xoffset()*3); } // Found @0xff38b5c8
