camlibs/spca50x/spca50x.h

   1 /****************************************************************/
   2 /* spca50x.h - Gphoto2 library for cameras with sunplus spca50x */
   3 /*             chips                                            */
   4 /*                                                              */
   5 /* Copyright © 2002, 2003 Till Adam                             */
   6 /*                                                              */
   7 /* Author: Till Adam <till@adam-lilienthal.de>                  */
   8 /*                                                              */
   9 /* This library is free software; you can redistribute it       */
  10 /* and/or modify it under the terms of the GNU Library General  */
  11 /* Public License as published by the Free Software Foundation; */
  12 /* either version 2 of the License, or (at your option) any     */
  13 /* later version.                                               */
  14 /*                                                              */
  15 /* This library is distributed in the hope that it will be      */
  16 /* useful, but WITHOUT ANY WARRANTY; without even the implied   */
  17 /* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      */
  18 /* PURPOSE.  See the GNU Library General Public License for     */
  19 /* more details.                                                */
  20 /*                                                              */
  21 /* You should have received a copy of the GNU Library General   */
  22 /* Public License along with this library; if not, write to the */
  23 /* Free Software Foundation, Inc., 59 Temple Place - Suite 330, */
  24 /* Boston, MA 02111-1307, USA.                                  */
  25 /****************************************************************/
  26
  27 #ifndef __SPCA50X_H__
  28 #define __SPCA50X_H__
  29 #include <_stdint.h>
  30 #include <gphoto2/gphoto2-camera.h>
  31
  32 #define SPCA50X_FAT_PAGE_SIZE 0x100
  33 #define SPCA50X_FILE_TYPE_IMAGE 0x00
  34 #define SPCA50X_FILE_TYPE_AVI 0x01
  35
  36 #define CHECK(result) {int res; res = result; if (res < 0) return (res);}
  37
  38 struct SPCA50xFile
  39 {
  40         char *name;
  41         int width;
  42         int height;
  43         int fat_start;
  44         int fat_end;
  45         uint8_t *fat;
  46         int mime_type;
  47         int type; /* not necessarily the same thing as mime_type! */
  48         unsigned int size;
  49         uint8_t *thumb; /* used to cache the thumbnail data, for some cams */
  50 };
  51
  52 typedef enum {
  53         BRIDGE_SPCA500,
  54         BRIDGE_SPCA504,
  55         BRIDGE_SPCA504B_PD    /* with specialized pure digital firmware */
  56 } SPCA50xBridgeChip;
  57
  58 struct _CameraPrivateLibrary
  59 {
  60         GPPort *gpdev;
  61         int dirty_sdram:1;
  62         int dirty_flash:1;
  63         int storage_media_mask;
  64         uint8_t fw_rev;
  65         SPCA50xBridgeChip bridge;
  66         int num_files_on_flash;
  67         int num_files_on_sdram;
  68         int num_images;
  69         int num_movies;
  70         int num_fats;
  71         int size_used;
  72         int size_free;
  73         uint8_t *flash_toc;
  74         uint8_t *fats;
  75         struct SPCA50xFile *files;
  76 };
  77
  78 #define SPCA50X_SDRAM 0x01
  79 #define SPCA50X_FLASH 0x02
  80 #define SPCA50X_CARD  0x04
  81
  82 #define SPCA50X_JPG_DEFAULT_HEADER_LENGTH 589
  83 int spca50x_get_firmware_revision (CameraPrivateLibrary *lib);
  84 int spca50x_detect_storage_type (CameraPrivateLibrary *lib);
  85 int spca50x_reset (CameraPrivateLibrary * lib);
  86 int spca50x_capture (CameraPrivateLibrary * lib);
  87 int yuv2rgb (int y, int u, int v, int *r, int *g, int *b);
  88 void create_jpeg_from_data (uint8_t * dst, uint8_t * src, int qIndex,
  89                                    int w, int h, uint8_t format,
  90                                    int original_size, int *size,
  91                                    int omit_huffman_table, int omit_escape);
  92
  93 #endif /* __SPCA50X_H__ */