root/platform/ixus275_elph350hs/lib.c

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DEFINITIONS

This source file includes following definitions.
  1. debug_led
  2. hook_raw_image_addr
  3. hook_alt_raw_image_addr
  4. camera_jpeg_count_str
  5. vid_bitmap_refresh
  6. shutdown
  7. get_flash_params_count
  8. camera_set_led
  9. vid_get_bitmap_fb
  10. vid_get_viewport_fb
  11. vid_get_viewport_fb_d
  12. vid_get_viewport_live_fb
  13. vid_get_viewport_yscale
  14. vid_get_viewport_width
  15. vid_get_viewport_height
  16. vid_get_viewport_display_xoffset
  17. vid_get_viewport_yoffset
  18. vid_get_viewport_display_yoffset
  19. vid_get_viewport_display_xoffset_proper
  20. vid_get_viewport_display_yoffset_proper
  21. vid_get_viewport_height_proper
  22. vid_get_viewport_fullscreen_height
  23. vid_get_palette_type
  24. vid_get_palette_size
  25. vid_get_bitmap_active_buffer
  26. vid_get_bitmap_active_palette

   1 #include "platform.h"
   2 #include "platform_palette.h"
   3 #include "lolevel.h"
   4 
   5 #define LED_PR 0xc022d1fc
   6 #define LED_AF 0xc022d1b0
   7 
   8 void debug_led(int state)
   9 {
  10         *(int*)LED_PR=state ? 0x93d800 : 0x83dc00;
  11 }
  12 
  13 
  14 extern  int     active_raw_buffer;
  15 extern  char*   raw_buffers[];
  16 
  17 char *hook_raw_image_addr()
  18 {
  19     return raw_buffers[active_raw_buffer & 1];
  20 }
  21 
  22 char *hook_alt_raw_image_addr()
  23 {
  24     return raw_buffers[((active_raw_buffer & 1)^1)];
  25 }
  26 
  27 
  28 
  29 char *camera_jpeg_count_str()
  30 {
  31     extern char jpeg_count_str[];
  32     return jpeg_count_str;
  33 }
  34 
  35 void vid_bitmap_refresh()
  36 {
  37     extern int full_screen_refresh;
  38     extern void _ScreenLock();
  39     extern void _ScreenUnlock();
  40 
  41     full_screen_refresh |= 3;
  42     _ScreenLock();
  43     _ScreenUnlock();
  44 }
  45 
  46 
  47 void shutdown()
  48 {
  49     extern void _TurnOffE1(void);
  50     _TurnOffE1();
  51     while(1);
  52 }
  53 
  54 
  55 int get_flash_params_count(void) { return 0xe3; }
  56 
  57 
  58 
  59 void camera_set_led(int led, int state, __attribute__ ((unused))int bright) {
  60     static char led_table[]={0,4}; // status, AF
  61     _LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  62 }
  63 
  64 
  65 void *vid_get_bitmap_fb()        { return (void*)0x40711000; }             // Found @0xff06dff4
  66 void *vid_get_viewport_fb()      { return (void*)0x40866b80; }             // Found @0xff4c6d8c
  67 void *vid_get_viewport_fb_d()    { return (void*)(*(int*)(0x3778+0x54)); }
  68 
  69 extern char active_viewport_buffer;
  70 extern void* viewport_buffers[];
  71 
  72 void *vid_get_viewport_live_fb()
  73 {
  74     // camera appears to use 8 buffers
  75     // Hopefully return the most recently used viewport buffer so that motion detect, histogram, zebra and edge overly are using current image data
  76     return viewport_buffers[(active_viewport_buffer-1)&7];
  77 }
  78 
  79 // Y multiplier for cameras with 480 pixel high viewports (CHDK code assumes 240)
  80 // camera appears to use 240 when recording FHD video and Fisheye mode, 480 otherwise
  81 int vid_get_viewport_yscale() {
  82     if (camera_info.state.mode_play) {
  83         return 2;
  84     }
  85     if (is_video_recording()) {
  86         // FHD video
  87         if(shooting_get_prop(PROPCASE_VIDEO_RESOLUTION) == 5) {
  88             return 1;
  89         }
  90         return 2;
  91     }
  92     if (camera_info.state.mode_shooting == MODE_FISHEYE) {
  93         return 1;
  94     }
  95     return 2;
  96 }
  97 
  98 int vid_get_viewport_width()
  99 {
 100     if (camera_info.state.mode_play)
 101     {
 102         return 360;
 103     }
 104     extern int _GetVRAMHPixelsSize();
 105     return _GetVRAMHPixelsSize() >> 1;
 106 }
 107 
 108 long vid_get_viewport_height()
 109 {
 110     if(camera_info.state.mode_play) {
 111         return 240;
 112     }
 113     extern int _GetVRAMVPixelsSize();
 114     // FHD video is apparently 180 on a 240 display
 115     int h = _GetVRAMVPixelsSize();
 116     if (vid_get_viewport_yscale() == 1) {
 117         return h;
 118     }
 119 
 120     return h>>1;
 121 }
 122 
 123 // viewport width offset table for each aspect ratio
 124 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1
 125 static long vp_xo[4] = { 0, 0, 0, 44 };        // should all be even values for edge overlay
 126 
 127 int vid_get_viewport_display_xoffset()
 128 {
 129     if(camera_info.state.mode_play) {
 130         return 0;
 131     }
 132     int aspect_ratio=shooting_get_prop(PROPCASE_ASPECT_RATIO);
 133 
 134     return (vp_xo[aspect_ratio]);
 135 }
 136 
 137 // viewport height offset table for each image size
 138 // 0 = 4:3, 1 = 16:9, 2 = 3:2, 3 = 1:1
 139 static long vp_yo[5] = { 0, 30, 13, 0 };
 140 
 141 int vid_get_viewport_yoffset()
 142 {
 143     if (camera_info.state.mode_play)
 144     {
 145         return 0;
 146     }
 147     if (is_video_recording())
 148     {
 149         if(shooting_get_prop(PROPCASE_VIDEO_RESOLUTION) == 2) { // 640x480
 150             return 0;// 4:3 video, no offset
 151         } else {
 152             return 30; // 16:9 video
 153         }
 154     }
 155     return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 156 }
 157 
 158 int vid_get_viewport_display_yoffset()
 159 {
 160     if (camera_info.state.mode_play)
 161     {
 162         return 0;
 163     }
 164     if (is_video_recording())
 165     {
 166         if(shooting_get_prop(PROPCASE_VIDEO_RESOLUTION) == 2) { // 640x480
 167             return 0;// 4:3 video, no offset
 168         } else {
 169             return 30;
 170         }
 171     }
 172     return vp_yo[shooting_get_prop(PROPCASE_ASPECT_RATIO)];
 173 }
 174 
 175 int vid_get_viewport_display_xoffset_proper()   { return vid_get_viewport_display_xoffset()<<1; }
 176 int vid_get_viewport_display_yoffset_proper()   { return vid_get_viewport_display_yoffset() * vid_get_viewport_yscale(); }
 177 int vid_get_viewport_height_proper()            { return vid_get_viewport_height() * vid_get_viewport_yscale(); }
 178 
 179 int vid_get_viewport_fullscreen_height()
 180 {
 181     return 240 * vid_get_viewport_yscale();
 182 }
 183 
 184 int vid_get_palette_type()                      { return 3; }
 185 int vid_get_palette_size()                      { return 256 * 4; }
 186 
 187 // Defined in stubs_min.S
 188 extern int active_bitmap_buffer;
 189 extern char* bitmap_buffer[];
 190 void *vid_get_bitmap_active_buffer()
 191 {
 192     return bitmap_buffer[active_bitmap_buffer&1];
 193 }
 194 
 195 void *vid_get_bitmap_active_palette()
 196 {
 197     extern void *palette_buffer_ptr;
 198     return palette_buffer_ptr;
 199 }
 200 

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