static int
spca50x_flash_process_image (CameraPrivateLibrary *pl, /* context */
uint8_t ** data, unsigned int *len, /* return these items */
uint8_t * buf, uint32_t buf_size, int index) /* input these items */
{
uint8_t *lp_jpg;
uint8_t qIndex = 0, format;
int file_size;
int w = pl->files[index].width;
int h = pl->files[index].height;
/* qindex == 2 seems to be right for all the dsc350 images - so far!!! */
qIndex = 2 ; /* FIXME - what to do about Qtable stuff? */
/* decode the image size */
if (w > 320){
format = 0x21; /* for 640 size images */
} else {
format = 0x22; /* for 320 x 240 size images */
}
file_size = buf_size + SPCA50X_JPG_DEFAULT_HEADER_LENGTH + 1024 * 10;
/* now build a jpeg */
lp_jpg = malloc (file_size);
if (!lp_jpg)
return GP_ERROR_NO_MEMORY;
create_jpeg_from_data (lp_jpg, buf, qIndex, w,
h, format, buf_size, &file_size,
0, 0);
free (buf);
lp_jpg = realloc (lp_jpg, file_size);
*data = lp_jpg;
*len = file_size;
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;
int w=0, h=0, b=0;
int k, res;
unsigned char *data;
unsigned char *jpeg_out = NULL;
int file_size;
unsigned char jpeg_format;
/* Get the entry number of the photo on the camera */
k = gp_filesystem_number (camera->fs, "/", filename, context);
if (GP_FILE_TYPE_EXIF==type) return GP_ERROR_FILE_EXISTS;
if (GP_FILE_TYPE_RAW!=type && GP_FILE_TYPE_NORMAL !=type && GP_FILE_TYPE_PREVIEW!=type)
return GP_ERROR_NOT_SUPPORTED;
res = clicksmart_get_res_setting (camera->pl, k);
switch (res) {
case 0: w = 352;
h = 288;
jpeg_format = JPEG_CIF_FORMAT;
break;
case 1:
case 3:
w = 176;
h = 144;
jpeg_format = JPEG_QCIF_FORMAT;
break;
default: GP_DEBUG ( "Unknown resolution setting %i\n", res);
return GP_ERROR;
}
data = malloc (w*h);
if(!data)
return GP_ERROR_NO_MEMORY;
GP_DEBUG("Fetch entry %i\n", k);
b = clicksmart_read_pic_data (camera->pl, camera->port, data, k);
if (GP_FILE_TYPE_RAW == type) { /* type is GP_FILE_TYPE_RAW */
gp_file_set_mime_type (file, GP_MIME_RAW);
gp_file_set_data_and_size (file, (char *)data, b);
/* Reset camera when done, for more graceful exit. */
if (k +1 == camera->pl->num_pics) {
clicksmart_reset (camera->port);
}
return GP_OK;
}
GP_DEBUG ("size = %i\n", b);
/* It looks as though o_size = b */
/* It seems that qIndex is byte7, which is always 3, so I use that. */
file_size = b + 589 + 1024 * 10;
jpeg_out = malloc(file_size);
if (!jpeg_out) {
free(data);
return GP_ERROR_NO_MEMORY;
}
GP_DEBUG("width: %d, height: %d, data size: %d\n", w, h, b);
create_jpeg_from_data (jpeg_out, data, 3, w, h, jpeg_format,
b, &file_size, 0, 0);
gp_file_set_mime_type (file, GP_MIME_JPEG);
gp_file_set_data_and_size (file, (char *)jpeg_out, file_size);
/* Reset camera when done, for more graceful exit. */
if (k +1 == camera->pl->num_pics) {
clicksmart_reset (camera->port);
}
free(data);
return GP_OK;
}
