source: branches/reyalp-ptp-live/platform/sx200is/sub/100c/lib.c @ 1706

#include "platform.h"

/*
*********************
SX200IS
**********************
note sensor size for camera.h is from 
@ FFAC8D6C
0x11CA240 = 18653760
18653760/12 * 8 - 12435840 ---
                              |
@ FFAC8A40                    |
0xFF0 and 0xBE8 =             |
4080  *  3048  = 12435840  ---
*/

char *hook_raw_image_addr()
{
        //found at FFAC8D10
        //ROM:FFAC8D10                 LDR     R6, =0x424B41C0
        //...
        //ROM:FFAC8D60                 MOV     R1, R6
        //ROM:FFAC8D64                 ADR     R0, aCrawBuffP  ; "CRAW BUFF       %p"

        return (char*)(0x424B41C0);
}

long hook_raw_size()
{
        //found at FFAC8D6C
        //ROM:FFAC8D6C                 LDR     R1, =0x11CA240
        //ROM:FFAC8D70                 ADR     R0, aCrawBuffSizeP ; "CRAW BUFF SIZE  %p"
        //ROM:FFAC8D74                 BL      sub_FF9037E8

        return 0x11CA240;
}

// Live picture buffer (shoot not pressed)
void *vid_get_viewport_live_fb()
{
    void **fb=(void **)0x2180;                               // 0x2150 or 0x2180 (suggested by ADamb)
    unsigned char buff = *((unsigned char*)0x1FD8);          // found at FF838090
    if (buff == 0) buff = 2;  else buff--;    
    return fb[buff];
}

// OSD buffer
void *vid_get_bitmap_fb()
{
        return (void*)0x403F1000;                              // found at FF842AC4 and FFA2BED4
}

// Live picture buffer (shoot half-pressed)
void *vid_get_viewport_fb()
{
        return (void*)0x415F9E20;                              // found by search for VRAM Address @FFAC67F0
}

// Histo etc. when in play mode maybe ?
void *vid_get_viewport_fb_d() 
{
//      return (void*)(*(int*)(0x2950+0x50));                  // found at FF858A84 and FF859398 (0x58 at FF8594F0)
        return (void*)(*(int*)(0x2950+0x58));                  // suggested by ADamb
}


int vid_get_viewport_width()
{
    return 360;                                               // stays at 360 as IN SD990
}

long vid_get_viewport_height()
{
    return 240;
}

char *camera_jpeg_count_str()
{
 return (void*)0x5408C;                                      // found at FF9C1F28
}

// PTP display stuff, untested, adapted from ewavr chdkcam patch
// reyalp - type probably wrong, chdkcam patch suggests opposite order from a540 (e.g. vuya)
int vid_get_palette_type() { return 2; }
int vid_get_palette_size() { return 16*4; }

void *vid_get_bitmap_active_palette() {
    return (void *)*(unsigned int*)(0x5744+0x28); // FF8E6230
}
void *vid_get_bitmap_active_buffer()
{
    return (void*)(*(int*)(0x5744+0x14)); //"Add: %p Width : %ld Hight : %ld", FF8E62DC
}
// TODO value of vid_getviewport_height_proper needs to be checked in play, rec, and the different video modes
//int vid_get_viewport_max_height()               { return 240; }

// values from chdkcam patch
// commented for now, protocol changes needed to handle correctly
// note, play mode may be 704, needs to be tested
#if 0
int vid_get_viewport_width_proper() { 
    return ((mode_get()&MODE_MASK) == MODE_PLAY)?720:*(int*)0x2150; // VRAM W DataSize
}
int vid_get_viewport_height_proper() {
    return ((mode_get()&MODE_MASK) == MODE_PLAY)?240:*(int*)(0x2150+4); // VRAM H DataSize
}
#endif