libgphoto2/camlibs/sx330z/library.c

/* library.c *
 * Copyright 2002 Dominik Kuhlen <dkuhlen@fhm.edu>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */
#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <gphoto2/gphoto2-library.h>
#include <gphoto2/gphoto2-port-log.h>

#include "libgphoto2/i18n.h"

#include "sx330z.h"


#define GP_MODULE "sx330z"


#define TIMEOUT 2000

#define SX330Z_VERSION "0.1"
#define SX330Z_LAST_MOD "02.07.2002"


#define CR(res) { int r=(res);if (r<0) return (r);}

/*
 * supported cameras :
 * - Traveler SX330z (Aldi cam)
 * - Other SX330z / SX3300z Models ?
 *   please report if you have others that are working
 */

static const struct
{
	char *model;
	int usb_vendor;
	int usb_product;
} models[]= {
	{"Traveler:SX330z",USB_VENDOR_TRAVELER,USB_PRODUCT_SX330Z},
	{"Maginon:SX330z",USB_VENDOR_TRAVELER,USB_PRODUCT_SX330Z},
	{"Skanhex:SX-330z",USB_VENDOR_TRAVELER,USB_PRODUCT_SX330Z},
	{"Medion:MD 9700",USB_VENDOR_TRAVELER,USB_PRODUCT_MD9700},
	{"Jenoptik:JD-3300z3",USB_VENDOR_TRAVELER,USB_PRODUCT_SX330Z},

	{"Traveler:SX410z",USB_VENDOR_TRAVELER,USB_PRODUCT_SX410Z},
	{"Concord:EyeQ 4330",USB_VENDOR_TRAVELER,USB_PRODUCT_SX410Z},
	{"Jenoptik:JD-4100z3",USB_VENDOR_TRAVELER,USB_PRODUCT_SX410Z},
	{"Medion:MD 6000",USB_VENDOR_TRAVELER,USB_PRODUCT_SX410Z},
	{"Maginon SX-410z",USB_VENDOR_TRAVELER,USB_PRODUCT_SX410Z},
	{"Lifetec:LT 5995",USB_VENDOR_TRAVELER,USB_PRODUCT_SX410Z},
	{NULL,0,0}
};


/*
 * camera abilities
 */
int
camera_abilities (CameraAbilitiesList *list)
{
	int i;
	CameraAbilities a;
	for (i=0;models[i].model;i++)
	{
		memset(&a, 0, sizeof(CameraAbilities));
		strcpy(a.model, models[i].model);
		a.usb_vendor  = models[i].usb_vendor;
		a.usb_product = models[i].usb_product;
		a.status      = GP_DRIVER_STATUS_EXPERIMENTAL;
		a.port        = GP_PORT_USB;
		a.speed[0]    = 0;
		a.operations  = GP_OPERATION_NONE;
		a.file_operations = GP_FILE_OPERATION_PREVIEW|
			GP_FILE_OPERATION_DELETE|
			GP_FILE_OPERATION_EXIF;
		a.folder_operations = GP_FOLDER_OPERATION_NONE;
		CR(gp_abilities_list_append(list, a));
	} /* all models... */
	return(GP_OK);
} /* camera_abilities */




/*
 *	file list function
 */
static int
file_list_func (CameraFilesystem *fs, const char *folder, CameraList *list,
		void *data, GPContext *context)
{
	Camera *camera = data;
	CameraFileInfo info;
	int32_t tpages=0;
	int pcnt,ecnt;		/* pagecounter, entrycounter*/
	struct traveler_toc_page toc;
	int id;

	/* get number of TOC pages */
	CR (sx330z_get_toc_num_pages (camera, context, &tpages));
	/* Read the TOC pages */
	id = gp_context_progress_start (context, tpages, _("Getting "
			"information on %i files..."), tpages);
	for (pcnt = 0; pcnt < tpages; pcnt++) {
		CR (sx330z_get_toc_page (camera, context, &toc, pcnt));
		for (ecnt = 0; ecnt < toc.numEntries; ecnt++) {
			char fn[20];

			info.audio.fields = GP_FILE_INFO_NONE;
			info.preview.fields = GP_FILE_INFO_TYPE;
			strcpy (info.preview.type, GP_MIME_EXIF);
			info.file.fields = GP_FILE_INFO_SIZE |
					   GP_FILE_INFO_TYPE |
					   GP_FILE_INFO_PERMISSIONS;
			info.file.size = toc.entries[ecnt].size;
			info.file.permissions = GP_FILE_PERM_READ |
						GP_FILE_PERM_DELETE;
			strcpy (info.file.type,GP_MIME_JPEG);
			sprintf (fn, "%.12s", toc.entries[ecnt].name);

			/*
			 * Append directly to the filesystem instead of to
			 * the list, because we have additional information.
			 */
			gp_filesystem_append (camera->fs, folder, fn, context);
			gp_filesystem_set_info_noop (camera->fs, folder, fn,
						     info, context);
		}
		gp_context_progress_update (context, id, pcnt);
		if (gp_context_cancel (context) == GP_CONTEXT_FEEDBACK_CANCEL)
			return (GP_ERROR_CANCEL);
	}

	gp_context_progress_stop (context, id);

	return (GP_OK);
}


static int
get_file_func (CameraFilesystem *fs, const char *folder, const char *filename,
	       CameraFileType type, CameraFile *file, void *user_data,
	       GPContext *context)
{
	Camera *camera = user_data;
	char *data = NULL;
	unsigned long int size = 0;

	switch (type) {
	case GP_FILE_TYPE_EXIF:
		gp_file_set_mime_type (file, GP_MIME_RAW);
		CR (sx330z_get_data (camera, context, filename, &data,
				     &size, SX_THUMBNAIL));
		break;
	case GP_FILE_TYPE_RAW:
	case GP_FILE_TYPE_NORMAL:
		gp_file_set_mime_type (file, GP_MIME_JPEG);
		CR (sx330z_get_data (camera, context, filename, &data,
				     &size, SX_IMAGE));
		break;
	case GP_FILE_TYPE_PREVIEW:
	default:
		return (GP_ERROR_NOT_SUPPORTED);
	}
	gp_file_set_data_and_size (file, data, size);

	return (GP_OK);
}


/*
 * 	Delete file function (working ..)
 */
static int
del_file_func(CameraFilesystem *fs, const char *folder, const char *filename,
	void *user_data, GPContext *context)
{
	Camera *camera=user_data;
	/*int id;*/
	if (strcmp(folder, "/")) return(GP_ERROR_DIRECTORY_NOT_FOUND);
	GP_DEBUG("Deleting : %s", filename);
	return(sx330z_delete_file(camera, context, filename));
} /* delete  file func */


/*
 * Camera ID
 */
int
camera_id(CameraText *id)
{
	strcpy(id->text, "Traveler SX330z");
	return (GP_OK);
} /* camera id */

/*
 * Camera about
 */
static int
camera_about(Camera *camera, CameraText *about, GPContext *context)
{
	strcpy(about->text, _("(Traveler) SX330z Library (And other Aldi-cams).\n"
		"Even other Vendors like Jenoptik, Skanhex, Maginon should work.\n"
		"Please send bugreports and comments.\n"
		"Dominik Kuhlen <kinimod@users.sourceforge.net>\n"));
	return(GP_OK);
} /* camera about */


/*
 * camera_exit
 * release allocated memory
 */
int
camera_exit(Camera *camera, GPContext *context)
{
	if (camera->pl)
		free(camera->pl);
	return(GP_OK);
}


static CameraFilesystemFuncs fsfuncs = {
	.file_list_func = file_list_func,
	.get_file_func = get_file_func,
	.del_file_func = del_file_func
};

/*
 * OK, lets get serious !
 */
int
camera_init(Camera *camera, GPContext *context)
{
	GPPortSettings settings;
	CameraAbilities abilities;
	/* try to contact the camera ...*/
	/*CR(gp_port_get_settings(camera->port,&settings));*/

	camera->functions->about=camera_about;
	camera->functions->exit=camera_exit;
	gp_port_get_settings(camera->port, &settings);
	if (camera->port->type!=GP_PORT_USB)
	{
		gp_context_error(context, _("sx330z is USB only"));
		return(GP_ERROR_UNKNOWN_PORT);
	}
	/* GP_DEBUG("camera_init : in = %x",camera->port->settings.usb.inep);*/
	CR(gp_port_set_settings(camera->port, settings));
	CR(gp_port_set_timeout(camera->port, TIMEOUT));

	CR(gp_filesystem_set_funcs(camera->fs, &fsfuncs, camera));

	camera->pl=malloc(sizeof(CameraPrivateLibrary));
	if (!camera->pl)
		return(GP_ERROR_NO_MEMORY);

	CR(gp_camera_get_abilities(camera, &abilities));
	camera->pl->usb_product=abilities.usb_product; /* some models differ in Thumbnail size */
	/* GP_DEBUG("sx330z Camera_init : sx init %04x",camera->pl->usb_product); */
	return(sx330z_init(camera, context));

} /* camera init */