static int
camera_capture_preview (Camera *camera, CameraFile *file, GPContext *context)
{
unsigned char *frame_data;
unsigned char *ppm, *ptr;
unsigned char gtable[256];
int size;
int w = 320;
int h = 240;
int b=0x12c40;
camera->pl->last_fetched_data = malloc (b);
if (!camera->pl->last_fetched_data) {
sq_rewind(camera->port, camera->pl);
return GP_ERROR_NO_MEMORY;
}
sq_access_reg(camera->port, CAPTURE);
sq_read_picture_data (camera->port, camera->pl->last_fetched_data, b);
frame_data = camera->pl->last_fetched_data + 0x40;
sq_preprocess(camera->pl->model, 1, 0, frame_data, w, h);
/* Now put the data into a PPM image file. */
ppm = malloc (w * h * 3 + 256);
if (!ppm)
return GP_ERROR_NO_MEMORY;
sprintf ((char *)ppm,
"P6\n"
"# CREATOR: gphoto2, SQ905 library\n"
"%d %d\n"
"255\n", w, h);
ptr = ppm + strlen ((char*)ppm);
size = strlen ((char*)ppm) + (w * h * 3);
GP_DEBUG ("size = %i\n", size);
switch (camera->pl->model) {
case SQ_MODEL_POCK_CAM:
gp_bayer_decode (frame_data, w , h , ptr, BAYER_TILE_GBRG);
break;
default:
gp_bayer_decode (frame_data, w , h , ptr, BAYER_TILE_BGGR);
break;
}
/* TO DO:
* Adapt some postprocessing routine to work here, because results
* can vary greatly, depending both on lighting conditions and on
* camera model.
*/
gp_gamma_fill_table (gtable, .5);
gp_gamma_correct_single (gtable, ptr, w * h);
gp_file_set_mime_type (file, GP_MIME_PPM);
gp_file_set_data_and_size (file, (char *)ppm, size);
sq_reset(camera->port);
sq_access_reg(camera->port, CAPTURE);
sq_reset(camera->port);
return (GP_OK);
}
/* Different camera types (pocket digital/generic)
* use a different protocol - have to differetiate.
*/
int
ultrapocket_getpicture(Camera *camera, GPContext *context, unsigned char **pdata, int *size, const char *filename)
{
char *savelocale;
char ppmheader[200];
unsigned char *rawdata,*outdata;
int width, height, result;
size_t outsize;
int imgstart = 0;
int pc, pmmhdr_len;
BayerTile tile;
#if DO_GAMMA
unsigned char gtable[256];
#endif
switch (camera->pl->up_type) {
case BADGE_CARDCAM:
case BADGE_FLATFOTO:
case BADGE_GENERIC:
case BADGE_ULTRAPOCKET:
case BADGE_AXIA:
CHECK_RESULT(getpicture_generic(camera, context, &rawdata, &width, &height, &imgstart, filename));
break;
case BADGE_LOGITECH_PD:
CHECK_RESULT(getpicture_logitech_pd(camera, context, &rawdata, filename));
width = 640;
height = 480;
imgstart = 0x29;
break;
default:
return GP_ERROR;
}
tile = BAYER_TILE_BGGR;
savelocale = setlocale (LC_ALL, "C");
snprintf (ppmheader, sizeof(ppmheader), "P6\n"
"# CREATOR: gphoto2, ultrapocket library,"
" assuming Bayer tile %s, interpolated"
#if DO_GAMMA
", gamma %.2f"
#endif
"\n%d %d\n"
"255\n", BayerTileNames[tile],
#if DO_GAMMA
GAMMA_NUMBER,
#endif
width, height);
setlocale (LC_ALL, savelocale);
/* Allocate memory for Interpolated ppm image */
pmmhdr_len = strlen(ppmheader);
outsize = ((long)width + 4) * height * 3 + pmmhdr_len;
outdata = malloc(outsize);
if (!outdata) {
free (rawdata);
return (GP_ERROR_NO_MEMORY);
}
/* Set header */
strcpy((char *)outdata, ppmheader);
/* Decode and interpolate the Bayer tiles */
result = gp_bayer_decode((rawdata+imgstart), width+4, height,
&outdata[pmmhdr_len], tile);
/* and chop the spare 4 pixels off the RHS */
for (pc = 1; pc < height; pc++) {
memmove(outdata + pmmhdr_len + ((long)width * pc * 3),
outdata + pmmhdr_len + (((long)width + 4) * pc * 3),
((long)width) * 3);
}
/* modify outsize to reflect trim */
outsize = ((long)width) * height * 3 + pmmhdr_len;
free(rawdata);
if (result < 0) {
free (outdata);
return (result);
}
#if DO_GAMMA
gp_gamma_fill_table(gtable, GAMMA_NUMBER);
gp_gamma_correct_single(gtable, &outdata[pmmhdr_len], height * width);
#endif
*pdata = outdata;
*size = outsize;
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 *raw, *ppm;
unsigned char gtable[256];
char *ptr;
int size = 0, n = 0;
int width, height;
struct jamcam_file *jc_file;
GP_DEBUG ("* camera_file_get");
GP_DEBUG ("*** folder: %s", folder);
GP_DEBUG ("*** filename: %s",filename);
GP_DEBUG ("*** type: %d", type);
CHECK (n = gp_filesystem_number (camera->fs, folder,
filename, context));
if (gp_context_cancel (context) == GP_CONTEXT_FEEDBACK_CANCEL)
return (GP_ERROR_CANCEL);
raw = malloc(640*480 * 3);
ppm = malloc(640*480 * 3 + 200);
switch (type) {
case GP_FILE_TYPE_PREVIEW:
CHECK_free (jamcam_request_thumbnail (camera, file, raw, &size, n, context));
width = 80;
height = 60;
sprintf( ppm,
"P6\n"
"# CREATOR: gphoto2, jamcam library\n"
"%d %d\n"
"255\n", width, height );
ptr = ppm + strlen( ppm );
size = strlen( ppm ) + ( height * width * 3 );
gp_bayer_decode(raw, width, height, ptr, BAYER_TILE_GBRG );
gp_gamma_fill_table( gtable, 0.5 );
gp_gamma_correct_single( gtable, ptr, height * width );
CHECK_free (gp_file_set_mime_type (file, GP_MIME_PPM));
CHECK_free (gp_file_append (file, ppm, size));
break;
case GP_FILE_TYPE_NORMAL:
CHECK_free (jamcam_request_image (camera, file, raw, &size, n, context));
jc_file = jamcam_file_info (camera, n);
sprintf( ppm,
"P6\n"
"# CREATOR: gphoto2, jamcam library\n"
"%d %d\n"
"255\n", jc_file->width, jc_file->height );
ptr = ppm + strlen( ppm );
size = strlen( ppm ) + ( jc_file->width * jc_file->height * 3 );
gp_bayer_decode( raw, jc_file->width, jc_file->height, ptr,
BAYER_TILE_GBRG );
gp_gamma_fill_table( gtable, 0.5 );
gp_gamma_correct_single( gtable, ptr, jc_file->width * jc_file->height );
CHECK_free (gp_file_set_mime_type (file, GP_MIME_PPM));
CHECK_free (gp_file_append (file, ppm, size));
break;
case GP_FILE_TYPE_RAW:
CHECK_free (jamcam_request_image (camera, file, raw, &size, n, context));
CHECK_free (gp_file_set_mime_type (file, GP_MIME_RAW));
CHECK_free (gp_file_append (file, raw, size));
break;
default:
free(raw); free(ppm);
return (GP_ERROR_NOT_SUPPORTED);
}
free(raw); free(ppm);
return (GP_OK);
}
int main(int argc, char *argv[])
{
image_info *info;
int i;
BYTE *bufp;
BYTE *ppm, *ptr;
FILE *fp_src, *fp_dest;
char *dest;
BYTE invert=0;
BYTE qvga = 0;
int size;
float gamma_factor;
BYTE gtable[256];
int b;
BYTE *buf;
BYTE *buf2;
int WIDTH=176, HEIGHT=144;
BYTE outdoors;
GtkWidget *window;
GtkWidget *image;
GtkWidget *event_box;
int current = 1;
int offset_correct = 0;
if ( !(argc > 1) ){
printf("Syntax: show_sonix_raw sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset -invert sourcefile\n");
return 0;
}
if ((strcmp(argv[current], "-qvga") == 0) && (current+1 < argc))
{
qvga = 1;
offset_correct=8;
current += 1;
if (argc != 3) {
printf("Syntax: show_sonix_raw -qvga sourcefile\n");
return 0;
}
}
if ( !(argc > 2) && (strcmp(argv[current], "-useoffset") == 0) )
{
printf("Syntax: show_sonix_raw sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset sourcefile \n");
printf("Syntax: show_sonix_raw -useoffset -invert sourcefile\n");
return 0;
}
printf("argc=%i\n", argc);
if ((strcmp(argv[current], "-useoffset") == 0) && (current+1 < argc)) {
offset_correct = 8;
current += 1;
printf("useoffset option used\n");
printf("current=%i\n", current);
if ( !(argc > 2) || !(argc < 5) ){
printf("Syntax: show_sonix_raw sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset -invert sourcefile, or\n");
printf("Syntax: show_sonix_raw -qvga sourcefile\n");
return 0;
}
}
if ( !(argc > 3) && (strcmp(argv[current], "-invert") == 0) )
{
printf("Syntax: show_sonix_raw sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset -invert sourcefile\n");
return 0;
}
if ((strcmp(argv[current], "-invert") == 0) && (current+1 < argc)) {
invert = 1;
current += 1;
printf("invert option used\n");
printf("current=%i\n", current);
if ( !(argc > 3) || !(argc < 5) ){
printf("Syntax: show_sonix_raw sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset sourcefile, or \n");
printf("Syntax: show_sonix_raw -useoffset -invert sourcefile \n");
return 0;
}
}
printf("Options: offset=%i invert=%i\n", offset_correct, invert);
fprintf (stderr, "Name of source file is %s\n", argv[current]);
/* input file is raw_(some characters).raw, so, first thing, we find
* the "." in the name.
*/
dest = malloc(strlen(argv[current]));
if (!dest){
free(dest);
return -1;
}
if ((!strchr(argv[current], 0x2e))|| (strncmp(argv[current], "raw", 3))) {
fprintf (stderr, "Source file appears not to be a gphoto2 raw file.\n");
fprintf (stderr, "Its name should begin with raw_ and end with .raw\n");
fprintf (stderr, "Exiting.\n");
return 0;
}
i = strchr(argv[current], 0x2e) - argv[current];
/* and throw away the period (to avoid clobbering any finished images
* from gphoto2 which are in the same directory) and throw away the
* suffix.
*/
strncpy(dest, argv[current] + 4, i - 4);
/* then affix "ppm" as a suffix (no preceding period) */
strcat (dest, "ppm");
fprintf (stderr, "Destination file will be called %s\n", dest);
/* now open the raw file */
if ( (fp_src = fopen(argv[current], "rb") ) == NULL )
{
fprintf (stderr, "Error opening source file.\n");
return 0;
}
/* get the size of the raw file and assign that size to "b" */
fseek(fp_src, 0, 2);
b = ftell(fp_src);
fseek(fp_src, 0, 0);
buf = malloc(b);
if (!buf) return -1;
/* read the raw file to "buf", and close it */
fread (buf, 1, b, fp_src);
fclose (fp_src);
info = malloc(512);
if (!info) { free(info); return -1; }
get_image_info( info, buf, b, qvga);
/* If there is a header, then we print it as debug output, then
* move past it, to the data.
*/
bufp = buf+offset_correct;
/* show header */
for (i = 0; i < HEADER_LEN; i++) {
fprintf(stderr, " %02X", buf[i]);
}
fprintf(stderr, "\n");
WIDTH = info->width;
HEIGHT = info->height;
outdoors = info->outdoors;
gamma_factor = info->gamma;
gp_gamma_fill_table(gtable, gamma_factor);
buf2 = malloc(WIDTH * HEIGHT+256);
if (!buf2) {
free (buf2);
return -1;
}
if((offset_correct)&&!(qvga)) {
info->reverse = 1;
info->bayer = BAYER_TILE_BGGR;
}
if (info->compression) { /* non-zero if compression in use */
sonix_decode(buf2, bufp, WIDTH,HEIGHT);
} else {
memcpy(buf2, bufp, WIDTH*HEIGHT);
}
free(buf);
if (invert)
reverse_bytes(buf2, WIDTH*HEIGHT);
ppm = malloc (WIDTH * HEIGHT * 3 + 256); /* Data + header */
if (!ppm) {
free (buf2);
return 0;
}
memset (ppm, 0, WIDTH * HEIGHT * 3 + 256);
sprintf ((char *)ppm,
"P6\n"
"#CREATOR: My_decoder\n"
"%d %d\n"
"255\n", WIDTH, HEIGHT);
ptr = ppm + strlen ((char *)ppm);
size = strlen ((char *)ppm) + (WIDTH * HEIGHT * 3);
gp_bayer_decode(buf2, WIDTH, HEIGHT, ptr, info->bayer);
free(buf2);
white_balance(ptr, WIDTH * HEIGHT, 1.2);
if ( (fp_dest = fopen(dest, "wb") ) == NULL )
{
fprintf (stderr, "Error opening dest file.\n");
return 0;
}
fwrite(ppm, 1, size, fp_dest);
fclose (fp_dest);
free (ppm);
/* The file has been saved. The GUI effects follow now. */
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
event_box = gtk_event_box_new();
gtk_container_add(GTK_CONTAINER (window), event_box);
gtk_widget_show(event_box);
/* This lets the Window Manager to close the window _and_ sets up
* this program to exit when the window is closed.
*/
g_signal_connect (G_OBJECT (window), "delete_event",
G_CALLBACK (delete_event), NULL);
/* This displays the image file. */
image = gtk_image_new_from_file(dest);
gtk_container_add(GTK_CONTAINER(event_box), image);
gtk_widget_show (image);
gtk_widget_show (window);
gtk_main ();
free(info);
free(dest);
return 0;
}
int
jd11_get_image_full(
Camera *camera, CameraFile*file, int nr, int raw, GPContext *context
) {
unsigned char *s,*uncomp[3],**imagebufs;
int ret,sizes[3];
unsigned char *data;
int h;
ret = serial_image_reader(camera,file,nr,&imagebufs,sizes, context);
if (ret!=GP_OK)
return ret;
uncomp[0] = malloc(320*480);
uncomp[1] = malloc(320*480/2);
uncomp[2] = malloc(320*480/2);
if (sizes[0]!=115200) {
picture_decomp_v1(imagebufs[0],uncomp[0],320,480);
picture_decomp_v1(imagebufs[1],uncomp[1],320,480/2);
picture_decomp_v1(imagebufs[2],uncomp[2],320,480/2);
} else {
picture_decomp_v2(imagebufs[0],uncomp[0],320,480);
picture_decomp_v2(imagebufs[1],uncomp[1],320,480/2);
picture_decomp_v2(imagebufs[2],uncomp[2],320,480/2);
}
gp_file_append(file, IMGHEADER, strlen(IMGHEADER));
data = malloc(640*480*3);
if (!raw) {
unsigned char *bayerpre;
s = bayerpre = malloc(640*480);
/* note that picture is upside down and left<->right mirrored */
for (h=480;h--;) {
int w;
for (w=320;w--;) {
if (h&1) {
/* G B G B G B G B G */
*s++ = uncomp[2][(h/2)*320+w];
*s++ = uncomp[0][h*320+w];
} else {
/* R G R G R G R G R */
*s++ = uncomp[0][h*320+w];
*s++ = uncomp[1][(h/2)*320+w];
}
}
}
gp_bayer_decode(bayerpre,640,480,data,BAYER_TILE_RGGB);
free(bayerpre);
} else {
s=data;
for (h=480;h--;) { /* upside down */
int w;
for (w=640;w--;) { /* right to left */
/* and images are in green red blue */
*s++=uncomp[1][(h/2)*320+(w/2)];
*s++=uncomp[0][h*320+(w/2)];
*s++=uncomp[2][(h/2)*320+(w/2)];
}
}
}
free(uncomp[0]);free(uncomp[1]);free(uncomp[2]);
free(imagebufs[0]);free(imagebufs[1]);free(imagebufs[2]);free(imagebufs);
gp_file_append(file, (char*)data, 640*480*3);
free(data);
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;
/* The camera will always download the low-resolution pictures first, if any.
* As those are compressed, they are not of fixed size. Unfortunately, the
* compression method is not known.
* For a high-resolution picture, the size is always the same.
* Every picture file has a header, which is of length 0x98. The high-
* resolution pictures are just Bayer data; their headers will be discarded.
*/
int i, j, k, n, num_lo_pics, num_hi_pics, w = 0, h = 0;
unsigned char temp;
unsigned char *data;
unsigned char *p_data = NULL;
unsigned char *output = NULL;
int len;
int header_len;
char header[128];
unsigned char gtable[256];
k = gp_filesystem_number(camera->fs, "/", filename, context);
num_lo_pics = aox_get_num_lo_pics(camera->pl->info);
num_hi_pics = aox_get_num_hi_pics(camera->pl->info);
GP_DEBUG("There are %i compressed photos\n", num_lo_pics);
GP_DEBUG("There are %i hi-res photos\n", num_hi_pics);
if ( (k < num_lo_pics) ) {
n = k;
w = 320;
h = 240;
} else {
n = k - num_lo_pics;
w = 640;
h = 480;
}
len = aox_get_picture_size (camera->port, num_lo_pics,
num_hi_pics, n, k);
GP_DEBUG("len = %i\n", len);
data = malloc(len);
if (!data) {
printf("Malloc failed\n"); return 0;}
aox_read_picture_data (camera->port, (char *)data, len, n);
switch (type) {
case GP_FILE_TYPE_EXIF:
free (data);
return (GP_ERROR_FILE_EXISTS);
case GP_FILE_TYPE_PREVIEW:
case GP_FILE_TYPE_NORMAL:
if (w == 320) {
gp_file_detect_mime_type (file); /* Detected as "raw"*/
gp_file_set_data_and_size (file, (char *)data, len);
gp_file_adjust_name_for_mime_type (file);
break;
}
if (w == 640) {
/* Stripping useless header */
p_data = data + 0x98;
/* Picture is mirror-imaged.*/
for (i = 0; i < h; ++i) {
for (j = 0 ; j < w/2; j++) {
temp = p_data[w*i +j];
p_data[w*i +j] = p_data[w*i+ w -1 -j];
p_data[w*i + w - 1 - j] = temp;
}
}
/* Not only this, but some columns are
* interchanged, too. */
for (i = 0; i < w*h/4; i++) {
temp = p_data[4*i +1];
p_data[4*i + 1] = p_data[4*i+2];
p_data[4*i+2] = temp;
}
/* And now create a ppm file, with our own header */
header_len = snprintf(header, 127,
"P6\n"
"# CREATOR: gphoto2, aox library\n"
"%d %d\n"
"255\n", w, h);
output = malloc(3*w*h);
if(!output) {
free(output);
return GP_ERROR_NO_MEMORY;
}
if (camera->pl->model == AOX_MODEL_DMAX)
gp_bayer_decode (p_data, w, h,
output, BAYER_TILE_RGGB);
else
gp_bayer_decode (p_data, w, h,
output, BAYER_TILE_GRBG);
/* gamma correction of .70 may not be optimal. */
gp_gamma_fill_table (gtable, .65);
gp_gamma_correct_single (gtable, output, w * h);
gp_file_set_mime_type (file, GP_MIME_PPM);
gp_file_append (file, header, header_len);
gp_file_append (file, (char *)output, 3*w*h);
}
free (data);
free (output);
return GP_OK;
case GP_FILE_TYPE_RAW:
gp_file_set_data_and_size (file, (char *)data, len);
gp_file_set_mime_type (file, GP_MIME_RAW);
gp_file_adjust_name_for_mime_type(file);
break;
default:
free (data);
return (GP_ERROR_NOT_SUPPORTED);
}
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 entry, w, h; /* frame; */
unsigned char *frame_data, *frame_ptr;
unsigned char *ppm, *ptr;
unsigned char gtable[256];
int start;
int datasize, framesize, hdrsize, ppmsize;
int nb_frames=1;
unsigned char buf[0x8000];
#if 0 /* libgphoto2 likes to search in vain for EXIF data, which isn't there.
It's a waste of time, and there should be a way to disable it
explicitly. But there isn't. Un-if this if you don't like it,
and you can still retrieve the first frame of a video via the
frame filename instead. */
if (GP_FILE_TYPE_PREVIEW==type)
return GP_ERROR_NOT_SUPPORTED;
#endif
if (GP_FILE_TYPE_RAW!=type && GP_FILE_TYPE_NORMAL!=type
&& GP_FILE_TYPE_PREVIEW!=type) {
return GP_ERROR_NOT_SUPPORTED;
}
/* Get the entry number of the photo on the camera */
entry = gp_filesystem_number (camera->fs, folder, filename, context);
if (entry < GP_OK)
return GP_ERROR_FILE_NOT_FOUND;
GP_DEBUG ("Download file %s, entry = %d\n",
filename, entry);
if (entry >= camera->pl->nb_entries)
return GP_ERROR_FILE_NOT_FOUND;
/* Fetch entries until the one we need, and toss all but the one we need.
* TODO: Either find out how to use the location info in the catalog to
* download just the entry needed, or show it is as impossible as it seems.
*/
/* Change register to DATA, but only if necessary */
if (camera->pl->data_offset == -1) {
icl_access_reg(camera->port, DATA);
/* Camera starts at the first picture.. */
camera->pl->data_offset = icl_get_start (camera->pl, 0);
}
start = icl_get_start (camera->pl, entry);
datasize = icl_get_size (camera->pl, entry);
/* datasize exceeds the actual datasize by 0x100 bytes, which seems to be
* 0x100 bytes of filler at the beginning. For now we will treat this extra
* 0x100 bytes as junk and just ditch it.
*/
GP_DEBUG ("data offset at %d, picture at %d\n", camera->pl->data_offset, start);
/* Rewind if we're past the requested picture */
if (camera->pl->data_offset > start) {
icl_rewind(camera->port, camera->pl);
}
/* Seek to the requested picture */
while ((camera->pl->data_offset + 0x8000) < start) {
icl_read_picture_data(camera->port, buf, 0x8000);
camera->pl->data_offset += 0x8000;
}
if (camera->pl->data_offset < start) {
icl_read_picture_data(camera->port, buf, start - camera->pl->data_offset);
camera->pl->data_offset = start;
}
/* Retrieve frames */
framesize = datasize;
frame_data = malloc(datasize);
if (!frame_data) return GP_ERROR_NO_MEMORY;
icl_read_picture_data(camera->port, frame_data, datasize);
camera->pl->data_offset += datasize;
switch (type) {
case GP_FILE_TYPE_PREVIEW:
if (icl_get_width_height (camera->pl, entry, &w, &h) >= GP_OK)
break; /* Known format, process image */
/* No previewing of raw data */
free (frame_data);
return GP_ERROR_NOT_SUPPORTED;
case GP_FILE_TYPE_NORMAL:
if (icl_get_width_height (camera->pl, entry, &w, &h) >= GP_OK)
break; /* Known format, process image */
/* Unsupported format, fallthrough to raw */
case GP_FILE_TYPE_RAW:
gp_file_set_mime_type (file, GP_MIME_RAW);
gp_file_adjust_name_for_mime_type (file);
gp_file_set_data_and_size (file, (char *)frame_data, datasize);
return (GP_OK);
default:
return GP_ERROR_NOT_SUPPORTED;
}
/* Write the frame(s) */
snprintf((char *)buf, sizeof(buf),
"P6\n"
"# CREATOR: gphoto2, iClick library\n"
"%d %d\n"
"255\n", w, h);
hdrsize = strlen((char *)buf);
ppmsize = (hdrsize + w*h*3) * nb_frames;
GP_DEBUG ("ppmsize = %i\n", ppmsize);
ptr = ppm = malloc(ppmsize);
frame_ptr = frame_data + 0x100;
/* Here, we just threw away the "superfluous" first 0x100 bytes */
memcpy(ptr, buf, hdrsize);
ptr += hdrsize;
gp_bayer_decode (frame_ptr, w , h , ptr, BAYER_TILE_GBRG);
gp_gamma_fill_table (gtable, .5);
/* The gamma factor is pure guesswork; shooting in the dark. This
* is the kind of thing which might be hidden in those 0x100 bytes.
*/
gp_gamma_correct_single (gtable, ptr, w * h);
ptr += w*h*3;
gp_file_set_mime_type (file, GP_MIME_PPM);
gp_file_set_data_and_size (file, (char *)ppm, ppmsize);
free (frame_data);
return GP_OK;
}
