bool photo_camera::photo_camera_capture_to_file( std::string filename )
{
int fd, error_code;
CameraFile *photo_file;
CameraFilePath photo_file_path;
// NOP: This gets overridden in the library to /capt0000.jpg
strcpy( photo_file_path.folder, "/");
strcpy( photo_file_path.name, "foo.jpg");
error_code = gp_camera_capture( camera_, GP_CAPTURE_IMAGE, &photo_file_path, context_ );
if( error_code < GP_OK )
{
photo_reporter::error( "gp_camera_capture()" );
gp_context_error( context_, "Could not capture image (error code %d)\n", error_code );
return false;
}
fd = open( filename.c_str(), O_CREAT|O_WRONLY, 0644 );
error_code = gp_file_new_from_fd( &photo_file, fd );
if( error_code < GP_OK )
{
photo_reporter::error( "gp_file_new_from_fd()" );
gp_context_error( context_, "Could not create a new image file from %s%s (error code %d)\n", photo_file_path.folder, photo_file_path.name, error_code );
gp_file_free( photo_file );
return false;
}
error_code = gp_camera_file_get( camera_, photo_file_path.folder, photo_file_path.name, GP_FILE_TYPE_NORMAL, photo_file, context_ );
if( error_code < GP_OK )
{
photo_reporter::error( "gp_camera_file_get()" );
gp_context_error( context_, "Could not get file %s%s (error code %d)\n", photo_file_path.folder, photo_file_path.name, error_code );
gp_file_free( photo_file );
return false;
}
error_code = gp_camera_file_delete( camera_, photo_file_path.folder, photo_file_path.name, context_ );
if( error_code < GP_OK )
{
photo_reporter::error( "gp_camera_file_delete()" );
gp_context_error( context_, "Could delete file %s%s (error code %d)\n", photo_file_path.folder, photo_file_path.name, error_code );
gp_file_free( photo_file );
return false;
}
gp_file_free( photo_file );
return true;
}
static void
capture_to_file(Camera *canon, GPContext *canoncontext, char *fn) {
int fd, retval;
CameraFile *canonfile;
CameraFilePath camera_file_path;
printf("Capturing.\n");
retval = gp_camera_capture(canon, GP_CAPTURE_IMAGE, &camera_file_path, canoncontext);
printf(" Retval: %d\n", retval);
printf("Pathname on the camera: %s/%s\n", camera_file_path.folder, camera_file_path.name);
fd = open(fn, O_CREAT | O_WRONLY | O_BINARY, 0644);
retval = gp_file_new_from_fd(&canonfile, fd);
printf(" Retval: %d\n", retval);
retval = gp_camera_file_get(canon, camera_file_path.folder, camera_file_path.name,
GP_FILE_TYPE_NORMAL, canonfile, canoncontext);
printf(" Retval: %d\n", retval);
printf("Deleting.\n");
retval = gp_camera_file_delete(canon, camera_file_path.folder, camera_file_path.name,
canoncontext);
printf(" Retval: %d\n", retval);
gp_file_free(canonfile);
}
static void
capture_to_file(Camera *canon, GPContext *canoncontext, char *fn) {
int fd, retval;
CameraFile *canonfile;
CameraFilePath camera_file_path;
printf("Capturing.\n");
/* NOP: This gets overridden in the library to /capt0000.jpg */
strcpy(camera_file_path.folder, "/");
strcpy(camera_file_path.name, "foo.jpg");
retval = gp_camera_capture(canon, GP_CAPTURE_IMAGE, &camera_file_path, canoncontext);
printf(" Retval: %d\n", retval);
printf("Pathname on the camera: %s/%s\n", camera_file_path.folder, camera_file_path.name);
fd = open(fn, O_CREAT | O_WRONLY, 0644);
retval = gp_file_new_from_fd(&canonfile, fd);
printf(" Retval: %d\n", retval);
retval = gp_camera_file_get(canon, camera_file_path.folder, camera_file_path.name,
GP_FILE_TYPE_NORMAL, canonfile, canoncontext);
printf(" Retval: %d\n", retval);
printf("Deleting.\n");
retval = gp_camera_file_delete(canon, camera_file_path.folder, camera_file_path.name,
canoncontext);
printf(" Retval: %d\n", retval);
gp_file_free(canonfile);
}
int main(int argc, char *argv[]){
Camera *camera;
GPContext *context = gp_context_new();
int retval;
CameraEventType evttype;
void *evtdata;
CameraFile *file;
gp_camera_new(&camera);
retval = gp_camera_init(camera, context);
if(retval != GP_OK)
{
printf("Error: %s\n", gp_result_as_string(retval));
return 1;
}
do {
retval = gp_camera_wait_for_event (camera, 10, &evttype, &evtdata, context);
} while ((retval == GP_OK) && (evttype != GP_EVENT_TIMEOUT));
retval = gp_file_new(&file);
if (retval != GP_OK) {
printf("gp_file_new: %d\n", retval);
return 1;
}
/*retval = gp_camera_capture_preview(camera, file, context); */
if (retval != GP_OK) {
printf("gp_camera_capture_preview: %d\n", retval);
return 1;
}
gp_file_free (file);
if(argc == 1)
{
retval = camera_auto_focus(camera, context);
if(retval != GP_OK) {
printf("Error: %s\n", gp_result_as_string(retval));
return 1;
}
}
else if(argc == 2)
{
int value = atoi(argv[1]);
retval = camera_manual_focus(camera, value, context);
if(retval != GP_OK) {
printf("Error: %s\n", gp_result_as_string(retval));
return 1;
}
}
do {
retval = gp_camera_wait_for_event (camera, 10, &evttype, &evtdata, context);
} while ((retval == GP_OK) && (evttype != GP_EVENT_TIMEOUT));
gp_camera_exit(camera, context);
return 0;
}
void GPhotoCameraWorker::capturePhoto(int id, const QString &fileName)
{
// Focusing
if (parameter("viewfinder").isValid()) {
if (!setParameter("viewfinder", false))
qWarning() << "Failed to flap down camera mirror";
} else {
if (parameter("autofocusedrive").isValid())
setParameter("autofocusedrive", true);
}
// Capture the frame from camera
CameraFilePath filePath;
int ret = gp_camera_capture(m_camera, GP_CAPTURE_IMAGE, &filePath, m_context);
if (ret < GP_OK) {
qWarning() << "Failed to capture frame:" << ret;
emit imageCaptureError(id, QCameraImageCapture::ResourceError, "Failed to capture frame");
} else {
qDebug() << "Captured frame:" << filePath.folder << filePath.name;
// Download the file
CameraFile* file;
ret = gp_file_new(&file);
ret = gp_camera_file_get(m_camera, filePath.folder, filePath.name, GP_FILE_TYPE_NORMAL, file, m_context);
if (ret < GP_OK) {
qWarning() << "Failed to get file from camera:" << ret;
emit imageCaptureError(id, QCameraImageCapture::ResourceError, "Failed to download file from camera");
} else {
const char* data;
unsigned long int size = 0;
ret = gp_file_get_data_and_size(file, &data, &size);
if (ret < GP_OK) {
qWarning() << "Failed to get file data and size from camera:" << ret;
emit imageCaptureError(id, QCameraImageCapture::ResourceError, "Failed to download file from camera");
} else {
emit imageCaptured(id, QByteArray(data, int(size)), fileName);
}
}
gp_file_free(file);
waitForOperationCompleted();
}
if (parameter("viewfinder").isValid()) {
if (!setParameter("viewfinder", true))
qWarning() << "Failed to flap up camera mirror";
}
}
int capture_to_file(std::string file_prefix, float exposure,
std::string iso="1600", std::string aperture="0",
bool gen_fits=true) {
int aborted = 0;
int fd, retval;
CameraFile *canonfile;
CameraFilePath camera_file_path;
set_config_value_string(camera, "iso", iso.c_str(), context);
if (aperture=="0")
set_config_value_index(camera, "aperture", 0, context);
else
set_config_value_string(camera, "aperture", aperture.c_str(), context);
printf("Capturing.\n");
//press shutter, wait for "exposure" seconds, release shutter
CameraEventType eventtype;
void* eventdata;
set_config_value_string(camera, "eosremoterelease", "Press Full", context);
usleep(exposure*1e6);
if (errno == EINTR) aborted = 1;
set_config_value_string(camera, "eosremoterelease", "Release Full", context);
std::cout << "Waiting for file...\n";
eventtype = GP_EVENT_UNKNOWN;
while (eventtype != GP_EVENT_FILE_ADDED) {
gp_camera_wait_for_event(camera, TIMEOUT, &eventtype, &eventdata, context);
}
camera_file_path = *((CameraFilePath*) eventdata);
printf("Pathname on the camera: %s/%s\n", camera_file_path.folder,
camera_file_path.name);
fd = open((file_prefix+".cr2").c_str(),
O_CREAT | O_WRONLY, 0644);
retval = gp_file_new_from_fd(&canonfile, fd);
if (retval != GP_OK) return retval;
retval = gp_camera_file_get(camera, camera_file_path.folder,
camera_file_path.name, GP_FILE_TYPE_NORMAL, canonfile,
context);
if (retval != GP_OK) return retval;
retval = gp_camera_file_delete(camera, camera_file_path.folder,
camera_file_path.name, context);
if (retval != GP_OK) return retval;
gp_file_free(canonfile);
if (gen_fits) produce_fits(file_prefix, aborted);
return GP_OK;
}
//SAVE THREAD
//Saves Files from memory -> disk
void * SaveFiles(void*aaa){
while(1){
//Wait for Get Thread to tell us we have at least one file waiting
//Put here to avoid busy waiting
sem_wait(&NewFileSem);
CF* my_CF = RemoveFile(); //Dequeue
if(my_CF != NULL){
printf("\nFile %s saved!\n", my_CF->filename);
gp_file_save(my_CF -> my_File, my_CF -> filename);
gp_file_free(my_CF -> my_File);
free(my_CF -> filename);
free(my_CF);
}
}
return NULL;
}
void GPhotoCameraWorker::closeCamera()
{
// Camera is already closed
if (!m_camera)
return;
setStatus(QCamera::UnloadingStatus);
// Close GPhoto camera session
int ret = gp_camera_exit(m_camera, m_context);
if (ret != GP_OK) {
qWarning() << "Unable to close camera";
setStatus(QCamera::LoadedStatus);
emit error(QCamera::CameraError, tr("Unable to close camera"));
return;
}
gp_file_free(m_file);
m_file = 0;
gp_camera_free(m_camera);
m_camera = 0;
setStatus(QCamera::UnloadedStatus);
}
static int
recursive_directory(Camera *camera, const char *folder, GPContext *context, int *foundfile) {
int i, ret;
CameraList *list;
const char *newfile;
CameraFileInfo fileinfo;
CameraFile *file;
ret = gp_list_new (&list);
if (ret < GP_OK) {
printf ("Could not allocate list.\n");
return ret;
}
ret = gp_camera_folder_list_folders (camera, folder, list, context);
if (ret < GP_OK) {
printf ("Could not list folders.\n");
gp_list_free (list);
return ret;
}
gp_list_sort (list);
for (i = 0; i < gp_list_count (list); i++) {
const char *newfolder;
char *buf;
int havefile = 0;
gp_list_get_name (list, i, &newfolder);
buf = malloc (strlen(folder) + 1 + strlen(newfolder) + 1);
strcpy(buf, folder);
if (strcmp(folder,"/")) /* avoid double / */
strcat(buf, "/");
strcat(buf, newfolder);
ret = recursive_directory (camera, buf, context, &havefile);
free (buf);
if (ret != GP_OK) {
gp_list_free (list);
printf ("Failed to recursively list folders.\n");
return ret;
}
if (havefile) /* only look for the first directory with a file */
break;
}
gp_list_reset (list);
ret = gp_camera_folder_list_files (camera, folder, list, context);
if (ret < GP_OK) {
gp_list_free (list);
printf ("Could not list files.\n");
return ret;
}
gp_list_sort (list);
if (gp_list_count (list) <= 0) {
gp_list_free (list);
return GP_OK;
}
gp_list_get_name (list, 0, &newfile); /* only entry 0 needed */
ret = gp_camera_file_get_info (camera, folder, newfile, &fileinfo, context);
if (ret != GP_OK) {
gp_list_free (list);
printf ("Could not get file info.\n");
return ret;
}
/* Trigger the ptp things */
gp_file_new (&file);
ret = gp_camera_file_get (camera, folder, newfile, GP_FILE_TYPE_METADATA, file, context);
if ((ret != GP_OK) && (ret != GP_ERROR_NOT_SUPPORTED)) {
gp_list_free (list);
printf ("Could not get file metadata.\n");
return ret;
}
gp_file_free (file);
if (foundfile) *foundfile = 1;
gp_list_free (list);
return GP_OK;
}
static int
file_list_func (CameraFilesystem *fs, const char *folder,
CameraList *list, void *data, GPContext *context)
{
Camera *camera = data;
unsigned int i, filecount, id, size, type;
CameraFile *file;
CameraFileInfo info;
unsigned char *buffer = NULL;
int ret, n_img=0, n_avi=0, n_wav=0;
char fn[100];
CHECK (pccam300_get_filecount (camera->port, &filecount));
id = gp_context_progress_start (context, filecount,
_("Getting file list..."));
for (i = 0; i < filecount; i++) {
/* Get information */
gp_file_new (&file);
ret = pccam300_get_file (camera->port, context, i,
&buffer, &size, &type);
if (ret < GP_OK) {
gp_file_free (file);
return ret;
}
info.audio.fields = GP_FILE_INFO_NONE;
info.preview.fields = GP_FILE_INFO_NONE;
info.file.fields = GP_FILE_INFO_SIZE | GP_FILE_INFO_TYPE;
info.file.size = size;
switch (type) {
case PCCAM300_MIME_JPEG:
strcpy (info.file.type, GP_MIME_JPEG);
sprintf (fn, "Image%03i.jpeg", n_img++);
break;
case PCCAM300_MIME_AVI:
strcpy (info.file.type, GP_MIME_AVI);
sprintf (fn, "Movie%03i.UNUSABLE", n_avi++);
break;
case PCCAM300_MIME_WAV:
strcpy (info.file.type, GP_MIME_WAV);
sprintf (fn, "Audio%03i.UNUSABLE", n_wav++);
break;
default:
break;
}
if (file)
gp_file_set_data_and_size (file, buffer, size);
else
free (buffer);
/*
* 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_filesystem_set_file_noop (camera->fs, folder, fn, GP_FILE_TYPE_NORMAL,
file, context);
gp_file_unref (file);
gp_context_idle (context);
gp_context_progress_update (context, id, i + 1);
if (gp_context_cancel(context) == GP_CONTEXT_FEEDBACK_CANCEL)
return (GP_ERROR_CANCEL);
}
gp_context_progress_stop (context, id);
return GP_OK;
}
bool photo_camera::photo_camera_capture( photo_image* image )
{
int fd, error_code;
CameraFile *photo_file;
CameraFilePath photo_file_path;
char temp_file_name[20];
// NOP: This gets overridden in the library to /capt0000.jpg
strcpy( photo_file_path.folder, "/" );
strcpy( photo_file_path.name, "foo.jpg" );
error_code = gp_camera_capture( camera_, GP_CAPTURE_IMAGE, &photo_file_path, context_ );
if( error_code < GP_OK )
{
photo_reporter::error( "gp_camera_capture()" );
gp_context_error( context_, "Could not capture image (error code %d)\n", error_code );
return false;
}
// create temporary file
strcpy( temp_file_name, "tmpfileXXXXXX" );
fd = mkstemp( temp_file_name );
error_code = gp_file_new_from_fd( &photo_file, fd );
if( error_code < GP_OK )
{
close( fd );
unlink( temp_file_name );
photo_reporter::error( "gp_file_new_from_fd()" );
gp_context_error( context_, "Could not create a new image file from %s%s (error code %d)\n", photo_file_path.folder, photo_file_path.name, error_code );
gp_file_free( photo_file );
return false;
}
// get image from camera and store in temporary file
error_code = gp_camera_file_get( camera_, photo_file_path.folder, photo_file_path.name, GP_FILE_TYPE_NORMAL, photo_file, context_ );
if( error_code < GP_OK )
{
gp_file_unref( photo_file );
unlink( temp_file_name );
photo_reporter::error( "gp_camera_file_get()" );
gp_context_error( context_, "Could not get file %s%s (error code %d)\n", photo_file_path.folder, photo_file_path.name, error_code );
return false;
}
// delete image from camera's memory
error_code = gp_camera_file_delete( camera_, photo_file_path.folder, photo_file_path.name, context_ );
if( error_code < GP_OK )
{
unlink( temp_file_name );
photo_reporter::error( "gp_camera_file_delete()" );
gp_context_error( context_, "Could delete file %s%s (error code %d)\n", photo_file_path.folder, photo_file_path.name, error_code );
gp_file_free( photo_file );
return false;
}
// load image from temporary file
if( image->photo_image_read( std::string(temp_file_name) ) == true )
{
gp_file_free( photo_file );
unlink( temp_file_name );
return true;
}
photo_reporter::error( "photo_image_read()" );
gp_file_free( photo_file );
unlink( temp_file_name );
return false;
}
static void _camera_process_job(const dt_camctl_t *c,const dt_camera_t *camera, gpointer job)
{
dt_camera_t *cam=(dt_camera_t *)camera;
_camctl_camera_job_t *j = (_camctl_camera_job_t *)job;
switch( j->type )
{
case _JOB_TYPE_EXECUTE_CAPTURE:
{
dt_print (DT_DEBUG_CAMCTL,"[camera_control] executing remote camera capture job\n");
CameraFilePath fp;
int res=GP_OK;
if( (res = gp_camera_capture (camera->gpcam, GP_CAPTURE_IMAGE,&fp, c->gpcontext)) == GP_OK )
{
CameraFile *destination;
const char *output_path = _dispatch_request_image_path(c,camera);
if( !output_path ) output_path="/tmp";
const char *fname = _dispatch_request_image_filename(c,fp.name,cam);
if( !fname ) fname=fp.name;
char *output = g_build_filename (output_path,fname,(char *)NULL);
int handle = open (output, O_CREAT | O_WRONLY,0666);
gp_file_new_from_fd (&destination , handle);
gp_camera_file_get (camera->gpcam, fp.folder , fp.name, GP_FILE_TYPE_NORMAL, destination, c->gpcontext);
close (handle);
// Notify listerners of captured image
_dispatch_camera_image_downloaded (c,camera,output);
g_free (output);
}
else
dt_print (DT_DEBUG_CAMCTL,"[camera_control] capture job failed to capture image: %s\n",gp_result_as_string(res));
}
break;
case _JOB_TYPE_EXECUTE_LIVE_VIEW:
{
CameraFile *fp = NULL;
int res = GP_OK;
const gchar* data = NULL;
unsigned long int data_size = 0;
gp_file_new(&fp);
if( (res = gp_camera_capture_preview (cam->gpcam, fp, c->gpcontext)) != GP_OK )
{
dt_print (DT_DEBUG_CAMCTL,"[camera_control] live view failed to capture preview: %s\n", gp_result_as_string(res));
}
else if( (res = gp_file_get_data_and_size(fp, &data, &data_size)) != GP_OK )
{
dt_print (DT_DEBUG_CAMCTL,"[camera_control] live view failed to get preview data: %s\n", gp_result_as_string(res));
}
else
{
// everything worked
GdkPixbufLoader *loader = gdk_pixbuf_loader_new();
if(gdk_pixbuf_loader_write(loader, (guchar*)data, data_size, NULL) == TRUE)
{
dt_pthread_mutex_lock(&cam->live_view_pixbuf_mutex);
if(cam->live_view_pixbuf != NULL)
g_object_unref(cam->live_view_pixbuf);
cam->live_view_pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
}
gdk_pixbuf_loader_close(loader, NULL);
}
if(fp)
gp_file_free(fp);
dt_pthread_mutex_unlock(&cam->live_view_synch);
dt_control_queue_redraw_center();
}
break;
case _JOB_TYPE_SET_PROPERTY:
{
_camctl_camera_set_property_job_t *spj=(_camctl_camera_set_property_job_t *)job;
dt_print(DT_DEBUG_CAMCTL,"[camera_control] executing set camera config job %s=%s\n",spj->name,spj->value);
CameraWidget *config; // Copy of camera configuration
CameraWidget *widget;
gp_camera_get_config( cam->gpcam, &config, c->gpcontext );
if( gp_widget_get_child_by_name ( config, spj->name, &widget) == GP_OK)
{
gp_widget_set_value ( widget , spj->value);
gp_camera_set_config( cam->gpcam, config, c->gpcontext );
}
/* dt_pthread_mutex_lock( &cam->config_lock );
CameraWidget *widget;
if( gp_widget_get_child_by_name ( camera->configuration, spj->name, &widget) == GP_OK) {
gp_widget_set_value ( widget , spj->value);
//gp_widget_set_changed( widget, 1 );
cam->config_changed=TRUE;
}
dt_pthread_mutex_unlock( &cam->config_lock);*/
}
break;
default:
dt_print(DT_DEBUG_CAMCTL,"[camera_control] process of unknown job type %lx\n",(unsigned long int)j->type);
break;
}
g_free(j);
}
/* This function reads all thumbnails at once and initializes the whole
* camera filesystem. This can be done, because finding out how much
* pictures are on the camera is done by reading the whole preview picture
* stream anyway.
* And since the file infos are static mostly, why not just set them too at
* the same time.
*/
int
jd11_index_reader(GPPort *port, CameraFilesystem *fs, GPContext *context) {
int i, id, count, xsize, curread=0, ret=0;
unsigned char *indexbuf;
ret = jd11_select_index(port);
if (ret != GP_OK)
return ret;
xsize = jd11_imgsize(port);
if (!xsize) { /* shortcut, no reading needed */
return GP_OK;
}
count = xsize/(64*48);
xsize = count * (64*48);
indexbuf = malloc(xsize);
if (!indexbuf) return GP_ERROR_NO_MEMORY;
id = gp_context_progress_start (context, xsize,
_("Downloading thumbnail..."));
_send_cmd(port,0xfff1);
while (curread < xsize) {
int readsize = xsize-curread;
if (readsize>200) readsize = 200;
ret=getpacket(port,indexbuf+curread,readsize);
if (ret==0)
break;
curread+=ret;
if (ret<200)
break;
gp_context_progress_update (context, id, curread);
if (gp_context_cancel (context) == GP_CONTEXT_FEEDBACK_CANCEL) {
/* What to do...Just free the stuff we allocated for now.*/
free(indexbuf);
return GP_ERROR_CANCEL;
}
_send_cmd(port,0xfff1);
}
gp_context_progress_stop (context, id);
for (i=0;i<count;i++) {
CameraFile *file;
char fn[20];
unsigned char *src;
unsigned char thumb[64*48];
int y;
CameraFileInfo info;
ret = gp_file_new(&file);
if (ret!=GP_OK) {
free(indexbuf);
return ret;
}
sprintf(fn,"image%02i.pgm",i);
gp_file_set_mime_type(file, GP_MIME_PGM);
gp_file_append(file, THUMBHEADER, strlen(THUMBHEADER));
src = indexbuf+(i*64*48);
for (y=0;y<48;y++) {
int x,off = 64*y;
for (x=0;x<64;x++)
thumb[47*64-off+(63-x)] = src[off+x];
}
ret = gp_file_append(file,(char*)thumb,sizeof(thumb));
if (ret != GP_OK) {
gp_file_free (file);
return ret;
}
ret = gp_filesystem_append(fs, "/", fn, context);
if (ret != GP_OK) {
/* should perhaps remove the entry again */
gp_file_free (file);
return ret;
}
ret = gp_filesystem_set_file_noop(fs, "/", fn, GP_FILE_TYPE_PREVIEW, file, context);
if (ret != GP_OK) return ret;
/* we also get the fs info for free, so just set it */
info.file.fields = GP_FILE_INFO_TYPE |
GP_FILE_INFO_WIDTH | GP_FILE_INFO_HEIGHT |
GP_FILE_INFO_SIZE;
strcpy(info.file.type,GP_MIME_PNM);
info.file.width = 640;
info.file.height = 480;
info.file.size = 640*480*3+strlen(IMGHEADER);
info.preview.fields = GP_FILE_INFO_TYPE |
GP_FILE_INFO_WIDTH | GP_FILE_INFO_HEIGHT |
GP_FILE_INFO_SIZE;
strcpy(info.preview.type,GP_MIME_PGM);
info.preview.width = 64;
info.preview.height = 48;
info.preview.size = 64*48+strlen(THUMBHEADER);
ret = gp_filesystem_set_info_noop(fs, "/", fn, info, context);
}
free(indexbuf);
return GP_OK;
}
bool photoController::capture(const char *filename)
{
if(checkCameraDetection() == false)
{
DEBUG_PRINTF(V_WARNING, "No camera detected.\n");
return false;
}
int fd, retval;
CameraFile *file;
CameraFilePath camera_file_path;
START_CHRONOMETER();
DEBUG_PRINTF(V_MESSAGE, "Deleting old files.\n");
retval = gp_camera_folder_delete_all(camera, "/", context);
if(retval != GP_OK) // Error.
{
DEBUG_PRINTF(V_WARNING, "ERROR: Couldn't delete old files in camera memory. Code: %d\n", retval);
return false;
}
DEBUG_PRINTF(V_MESSAGE, "Camera capture.\n");
retval = gp_camera_capture(camera, GP_CAPTURE_IMAGE, &camera_file_path, context);
if(retval != GP_OK) // Error.
{
if(retval == GP_ERROR_NOT_SUPPORTED)
DEBUG_PRINTF(V_WARNING, "ERROR: This camera can not capture.\n");
else
{
DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_camera_capture return. Code: %d\n", retval);
releaseCamera(&camera, context);
camera_detected = false;
initCamera();
}
return false;
}
DEBUG_PRINTF(V_MESSAGE, "camera_file_path.folder %s!\n", camera_file_path.folder);
DEBUG_PRINTF(V_MESSAGE, "Open %s!\n", filename);
fd = open(filename, O_CREAT | O_WRONLY, 0644);
if(fd < 0) // Error.
{
DEBUG_PRINTF(V_WARNING, "Error opening file: %s!\n", strerror(errno));
return false;
}
DEBUG_PRINTF(V_MESSAGE, "Create new CameraFile object from a file descriptor FD: %d.\n", fd);
retval = gp_file_new_from_fd(&file, fd);
if(retval != GP_OK) // Error.
{
DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_file_new_from_fd return. Code: %d\n", retval);
gp_file_free(file);
close(fd);
return false;
}
if(checkCameraDetection() == false)
{
DEBUG_PRINTF(V_WARNING, "No camera detected 2.\n");
gp_file_free(file);
close(fd);
return false;
}
DEBUG_PRINTF(V_MESSAGE, "Copy file from camera.\n");
retval = gp_camera_file_get(camera, camera_file_path.folder, camera_file_path.name, GP_FILE_TYPE_NORMAL, file, context);
if(retval != GP_OK) // Error.
{
if(retval == GP_ERROR_DIRECTORY_NOT_FOUND)
DEBUG_PRINTF(V_WARNING, "Photo directory not found.\n");
else if(retval == GP_ERROR_FILE_NOT_FOUND)
DEBUG_PRINTF(V_WARNING, "Photo file name not found.\n");
else
DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_camera_file_get return. Code: %d\n", retval);
gp_file_free(file);
close(fd);
return false;
}
if(checkCameraDetection() == false)
{
DEBUG_PRINTF(V_WARNING, "No camera detected 3.\n");
gp_file_free(file);
close(fd);
return false;
}
DEBUG_PRINTF(V_MESSAGE, "Delete file from camera.\n");
retval = gp_camera_file_delete(camera, camera_file_path.folder, camera_file_path.name, context);
if(retval != GP_OK) // Error.
{
DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_camera_file_delete return. Code: %d\n", retval);
gp_file_free(file);
close(fd);
return false;
}
DEBUG_PRINTF(V_MESSAGE, "Free CameraFile object.\n");
gp_file_unref(file);
close(fd);
cv::Mat raw = cv::imread(filename);
if(raw.data == NULL)
{
DEBUG_PRINTF(V_WARNING, "ERROR: OpenCV failed to open image file.\n");
return false;
}
cv::Size raw_size = raw.size();
DEBUG_PRINTF(V_MESSAGE, "capture() cv::Mat total=%u width=%d height=%d refcount=%d\n", raw.total(), raw_size.width, raw_size.height, (int)(void*)raw.refcount);
crop(raw);
raw.release();
STOP_CHRONOMETER("Capture");
return true;
}
