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spca50x.h

/****************************************************************/
/* spca50x.h - Gphoto2 library for cameras with sunplus spca50x */
/*             chips                                            */
/*                                                              */
/* Copyright  2002, 2003 Till Adam                             */
/*                                                              */
/* Author: Till Adam <till@adam-lilienthal.de>                  */
/*                                                              */
/* This library is free software; you can redistribute it       */
/* and/or modify it under the terms of the GNU Library General  */
/* Public License as published by the Free Software Foundation; */
/* either version 2 of the License, or (at your option) any     */
/* later version.                                               */
/*                                                              */
/* This library is distributed in the hope that it will be      */
/* useful, but WITHOUT ANY WARRANTY; without even the implied   */
/* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      */
/* PURPOSE.  See the GNU Library General Public License for     */
/* more details.                                                */
/*                                                              */
/* You should have received a copy of the GNU Library General   */
/* Public License along with this library; if not, write to the */
/* Free Software Foundation, Inc., 59 Temple Place - Suite 330, */
/* Boston, MA 02111-1307, USA.                                  */
/****************************************************************/

#ifndef __SPCA50X_H__
#define __SPCA50X_H__
#include <_stdint.h>
#include <gphoto2/gphoto2-camera.h>

#define SPCA50X_FAT_PAGE_SIZE 0x100
#define SPCA50X_FILE_TYPE_IMAGE 0x00
#define SPCA50X_FILE_TYPE_AVI 0x01

#define CHECK(result) {int res; res = result; if (res < 0) return (res);}

struct SPCA50xFile
{
      char *name;
      int width;
      int height;
      int fat_start;
      int fat_end;
      uint8_t *fat;
      int mime_type;
      int type; /* not necessarily the same thing as mime_type! */
      unsigned int size;
      uint8_t *thumb; /* used to cache the thumbnail data, for some cams */
};

typedef enum {
      BRIDGE_SPCA500,
      BRIDGE_SPCA504,
      BRIDGE_SPCA504B_PD    /* with specialized pure digital firmware */
} SPCA50xBridgeChip;

struct _CameraPrivateLibrary
{
      GPPort *gpdev;
      int dirty_sdram:1;
      int dirty_flash:1;
      int storage_media_mask;
      uint8_t fw_rev;
      SPCA50xBridgeChip bridge;
      int num_files_on_flash;
      int num_files_on_sdram;
      int num_images;
      int num_movies;
      int num_fats;
      int size_used;
      int size_free;
      uint8_t *flash_toc;
      uint8_t *fats;
      struct SPCA50xFile *files;
};

#define SPCA50X_SDRAM 0x01
#define SPCA50X_FLASH 0x02
#define SPCA50X_CARD  0x04

#define SPCA50X_JPG_DEFAULT_HEADER_LENGTH 589
int spca50x_get_firmware_revision (CameraPrivateLibrary *lib);
int spca50x_detect_storage_type (CameraPrivateLibrary *lib);
int spca50x_reset (CameraPrivateLibrary * lib);
int spca50x_capture (CameraPrivateLibrary * lib);
int yuv2rgb (int y, int u, int v, int *r, int *g, int *b);
void create_jpeg_from_data (uint8_t * dst, uint8_t * src, int qIndex,
                           int w, int h, uint8_t format,
                           int original_size, int *size,
                           int omit_huffman_table, int omit_escape);

#endif /* __SPCA50X_H__ */

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