CAMLprim
value caml_gp_camera_set_abilities(value cam_val, value abil_val) {
CAMLparam2(cam_val, abil_val);
Camera *cam = Camera_val(cam_val);
CameraAbilities *abil = Abilities_val(abil_val);
int ret = gp_camera_set_abilities(cam, *abil);
CHECK_RESULT(ret);
CAMLreturn(Val_unit);
}
gboolean _camera_initialize(const dt_camctl_t *c, dt_camera_t *cam)
{
dt_camctl_t *camctl=(dt_camctl_t *)c;
CameraAbilities a;
GPPortInfo pi;
if( cam->gpcam==NULL )
{
gp_camera_new(&cam->gpcam);
int m = gp_abilities_list_lookup_model( c->gpcams, cam->model );
gp_abilities_list_get_abilities (c->gpcams, m, &a);
gp_camera_set_abilities (cam->gpcam, a);
int p = gp_port_info_list_lookup_path (c->gpports, cam->port);
gp_port_info_list_get_info (c->gpports, p, &pi);
gp_camera_set_port_info (cam->gpcam , pi);
// Check for abilities
if( (a.operations&GP_OPERATION_CAPTURE_IMAGE) ) cam->can_tether=TRUE;
if( (a.operations&GP_OPERATION_CAPTURE_PREVIEW) ) cam->can_live_view=TRUE;
if( cam->can_tether && (a.operations&GP_OPERATION_CONFIG) ) cam->can_config=TRUE;
if( !(a.file_operations&GP_FILE_OPERATION_NONE) ) cam->can_import=TRUE;
if( gp_camera_init( cam->gpcam , camctl->gpcontext) != GP_OK )
{
dt_print(DT_DEBUG_CAMCTL,"[camera_control] failed to initialize camera %s on port %s\n", cam->model,cam->port);
return FALSE;
}
// read a full copy of config to configuration cache
gp_camera_get_config( cam->gpcam, &cam->configuration, c->gpcontext );
// TODO: find a more robust way for this, once we find out how to do it with non-EOS cameras
if(cam->can_live_view && dt_camctl_camera_property_exists(camctl, cam, "eoszoomposition"))
cam->can_live_view_advanced = TRUE;
// initialize timeout callbacks eg. keep alive, some cameras needs it.
cam->gpcontext = camctl->gpcontext;
gp_camera_set_timeout_funcs(cam->gpcam,
(CameraTimeoutStartFunc)_camera_start_timeout_func,
(CameraTimeoutStopFunc)_camera_stop_timeout_func,
cam);
dt_pthread_mutex_init(&cam->jobqueue_lock, NULL);
dt_print(DT_DEBUG_CAMCTL,"[camera_control] device %s on port %s initialized\n", cam->model,cam->port);
}
else
dt_print(DT_DEBUG_CAMCTL,"[camera_control] device %s on port %s already initialized\n", cam->model,cam->port);
return TRUE;
}
/**
* Connects to selected device.
*/
bool DigitalCameraCapture::open(int index)
{
const char * model = 0, *path = 0;
int m, p;
GPPortInfo portInfo;
if (isOpened()) {
close();
}
try
{
CR(gp_camera_new(&camera));
CR(gp_list_get_name(allDevices, index, &model));
CR(gp_list_get_value(allDevices, index, &path));
// Set model abilities.
CR(m = gp_abilities_list_lookup_model(abilitiesList, model));
CR(gp_abilities_list_get_abilities(abilitiesList, m, &cameraAbilities));
CR(gp_camera_set_abilities(camera, cameraAbilities));
// Set port
CR(p = gp_port_info_list_lookup_path(capablePorts, path));
CR(gp_port_info_list_get_info(capablePorts, p, &portInfo));
CR(gp_camera_set_port_info(camera, portInfo));
// Initialize connection to the camera.
CR(gp_camera_init(camera, context));
message(STATUS, "connected camera", model);
message(STATUS, "connected using", path);
// State initialization
firstCapturedFrameTime = 0;
capturedFrames = 0;
preview = false;
reloadOnChange = false;
collectMsgs = false;
reloadConfig();
opened = true;
return true;
}
catch (GPhoto2Exception & e)
{
message(WARNING, "opening device failed", e);
return false;
}
}
bool photo_camera::photo_camera_open( photo_camera_list* list, const std::string model_name, const std::string port_name )
{
// Create a context if necessary
if( context_ == NULL )
{
context_ = photo_camera_create_context();
}
// Create new camera
if( gp_camera_new( &camera_ ) != GP_OK )
{
photo_reporter::error( "gp_camera_new()" );
return false;
}
// Find and set camera abilities based on model
//std::cout << "Model name: " << model_name << " == " << std::endl;
if( list->lookupAbilities( model_name, &abilities_ ) == true )
{
// Set the camera's abilities
if( gp_camera_set_abilities( camera_, abilities_ ) != GP_OK )
{
photo_reporter::error( "gp_camera_set_abilities()" );
return false;
}
}
else
{
return false;
}
// Associate camera with port
if( list->lookupPortInfo( port_name, &port_info_ ) == true )
{
if( gp_camera_set_port_info( camera_, port_info_ ) != GP_OK )
{
photo_reporter::error( "gp_camera_set_port_info()" );
return false;
}
}
else
{
return false;
}
// Camera is open!
return true;
}
bool Image_GPhoto::initCamera(GPhotoCamera& camera)
{
lock_guard<recursive_mutex> lock(_gpMutex);
if (camera.cam == nullptr)
{
gp_camera_new(&camera.cam);
int m = gp_abilities_list_lookup_model(_gpCams, camera.model.c_str());
CameraAbilities abilities{};
gp_abilities_list_get_abilities(_gpCams, m, &abilities);
gp_camera_set_abilities(camera.cam, abilities);
int p = gp_port_info_list_lookup_path(_gpPorts, camera.port.c_str());
GPPortInfo portInfo;
gp_port_info_list_get_info(_gpPorts, p, &portInfo);
gp_camera_set_port_info(camera.cam, portInfo);
if (abilities.operations & GP_OPERATION_CAPTURE_IMAGE)
{
camera.canTether = true;
if (abilities.operations & GP_OPERATION_CONFIG)
camera.canConfig = true;
}
if (!(abilities.file_operations & GP_FILE_OPERATION_NONE))
camera.canImport = true;
if (gp_camera_init(camera.cam, _gpContext) != GP_OK)
return false;
gp_camera_get_config(camera.cam, &camera.configuration, _gpContext);
// Get the available shutterspeeds
initCameraProperty(camera, "shutterspeed", camera.shutterspeeds);
initCameraProperty(camera, "aperture", camera.apertures);
initCameraProperty(camera, "iso", camera.isos);
return true;
}
else
{
Log::get() << Log::WARNING << "Image_GPhoto::" << __FUNCTION__ << " - Camera " << camera.model << " already initialized" << Log::endl;
return false;
}
}
void GPhotoCameraWorker::openCamera()
{
// Camera is already open
if (m_camera)
return;
setStatus(QCamera::LoadingStatus);
// Create camera object
int ret = gp_camera_new(&m_camera);
if (ret != GP_OK) {
openCameraErrorHandle("Unable to open camera");
return;
}
ret = gp_camera_set_abilities(m_camera, m_abilities);
if (ret < GP_OK) {
openCameraErrorHandle("Unable to set abilities for camera");
return;
}
ret = gp_camera_set_port_info(m_camera, m_portInfo.portInfo);
if (ret < GP_OK) {
openCameraErrorHandle("Unable to set port info for camera");
return;
}
ret = gp_file_new(&m_file);
if (ret < GP_OK) {
openCameraErrorHandle("Could not create capture file");
return;
}
if (parameter("viewfinder").isValid()) {
if (!setParameter("viewfinder", true))
qWarning() << "Failed to flap up camera mirror";
}
m_capturingFailCount = 0;
setStatus(QCamera::LoadedStatus);
}
int
gf_user (GFParams *params, const char *user)
{
CameraAbilities a;
int m;
CR (m = gp_abilities_list_lookup_model (params->al, user));
CR (gp_abilities_list_get_abilities (params->al, m, &a));
CR (gp_camera_set_abilities (params->camera, a));
params->folder = malloc (strlen ("/" + 1));
if (!params->folder)
return (GP_ERROR_NO_MEMORY);
strcpy (params->folder, "/");
if (strcmp (user, "Directory Browse"))
printf ("%3d %s\r\n", 331, "Please specify the port.");
else
printf ("%3d %s\r\n", 230, "Connected to camera.");
fflush (stdout);
return (0);
}
static GnoCamCamera *
gnocam_main_get_camera (GnoCamMain *gm, const gchar *model, const gchar *port,
CORBA_Environment *ev)
{
Camera *camera;
GnoCamCamera *gc = NULL;
g_message ("Trying to get a camera for model '%s' (port '%s')...",
model, port);
g_return_val_if_fail (GNOCAM_IS_MAIN (gm), NULL);
gc = gnocam_cache_lookup (gm->priv->cache, model, port);
if (gc) {
bonobo_object_ref (gc);
return gc;
}
CR (gp_camera_new (&camera), ev);
if (BONOBO_EX (ev))
return (CORBA_OBJECT_NIL);
if (model && strlen (model)) {
CameraAbilities a;
CameraAbilitiesList *al = NULL;
int m;
memset (&a, 0, sizeof (CameraAbilities));
gp_abilities_list_new (&al);
gp_abilities_list_load (al, NULL);
m = gp_abilities_list_lookup_model (al, model);
gp_abilities_list_get_abilities (al, m, &a);
gp_abilities_list_free (al);
CR (gp_camera_set_abilities (camera, a), ev);
if (BONOBO_EX (ev)) {
gp_camera_unref (camera);
return NULL;
}
}
if (port && strlen (port)) {
GPPortInfo info;
GPPortInfoList *il = NULL;
int p;
memset (&info, 0, sizeof (GPPortInfo));
gp_port_info_list_new (&il);
gp_port_info_list_load (il);
p = gp_port_info_list_lookup_name (il, port);
if (p < 0)
p = gp_port_info_list_lookup_path (il, port);
gp_port_info_list_get_info (il, p, &info);
gp_port_info_list_free (il);
CR (gp_camera_set_port_info (camera, info), ev);
if (BONOBO_EX (ev)) {
gp_camera_unref (camera);
return (CORBA_OBJECT_NIL);
}
}
CR (gp_camera_init (camera, NULL), ev);
if (BONOBO_EX (ev)) {
gp_camera_unref (camera);
return NULL;
}
gc = gnocam_camera_new (camera, ev);
gp_camera_unref (camera);
if (BONOBO_EX (ev))
return NULL;
gnocam_cache_add (gm->priv->cache, gc);
g_message ("Successfully created a camera.");
return gc;
}
static TW_UINT16
GPHOTO2_OpenDS( pTW_IDENTITY pOrigin, pTW_IDENTITY self) {
int ret, m, p, count, i;
CameraAbilities a;
GPPortInfo info;
const char *model, *port;
if (TWRC_SUCCESS != gphoto2_auto_detect())
return TWRC_FAILURE;
if (lstrcmpA(self->ProductFamily,"GPhoto2 Camera")) {
FIXME("identity passed is not a gphoto camera, but %s!?!\n", self->ProductFamily);
return TWRC_FAILURE;
}
count = gp_list_count (detected_cameras);
if (!count) {
ERR("No camera found by autodetection. Returning failure.\n");
return TWRC_FAILURE;
}
if (!lstrcmpA (self->ProductName, "GPhoto2 Camera")) {
TRACE("Potential undetected camera. Just using the first autodetected one.\n");
i = 0;
} else {
for (i=0;i<count;i++) {
const char *cname, *pname;
TW_STR32 name;
gp_list_get_name (detected_cameras, i, &cname);
gp_list_get_value (detected_cameras, i, &pname);
if (!lstrcmpA(self->ProductName,cname))
break;
snprintf(name, sizeof(name), "%s", cname);
if (!lstrcmpA(self->ProductName,name))
break;
snprintf(name, sizeof(name), "%s@%s", cname, pname);
if (!lstrcmpA(self->ProductName,name))
break;
}
if (i == count) {
TRACE("Camera %s not found in autodetected list. Using first entry.\n", self->ProductName);
i=0;
}
}
gp_list_get_name (detected_cameras, i, &model);
gp_list_get_value (detected_cameras, i, &port);
TRACE("model %s, port %s\n", model, port);
ret = gp_camera_new (&activeDS.camera);
if (ret < GP_OK) {
ERR("gp_camera_new: %d\n", ret);
return TWRC_FAILURE;
}
m = gp_abilities_list_lookup_model (abilities_list, model);
if (m < GP_OK) {
FIXME("Model %s not found, %d!\n", model, m);
return TWRC_FAILURE;
}
ret = gp_abilities_list_get_abilities (abilities_list, m, &a);
if (ret < GP_OK) {
FIXME("gp_camera_list_get_abilities failed? %d\n", ret);
return TWRC_FAILURE;
}
ret = gp_camera_set_abilities (activeDS.camera, a);
if (ret < GP_OK) {
FIXME("gp_camera_set_abilities failed? %d\n", ret);
return TWRC_FAILURE;
}
p = gp_port_info_list_lookup_path (port_list, port);
if (p < GP_OK) {
FIXME("port %s not in portlist?\n", port);
return TWRC_FAILURE;
}
ret = gp_port_info_list_get_info (port_list, p, &info);
if (ret < GP_OK) {
FIXME("could not get portinfo for port %s?\n", port);
return TWRC_FAILURE;
}
ret = gp_camera_set_port_info (activeDS.camera, info);
if (ret < GP_OK) {
FIXME("could not set portinfo for port %s to camera?\n", port);
return TWRC_FAILURE;
}
list_init( &(activeDS.files) );
activeDS.currentState = 4;
activeDS.twCC = TWRC_SUCCESS;
activeDS.pixelflavor = TWPF_CHOCOLATE;
activeDS.pixeltype = TWPT_RGB;
activeDS.capXferMech = TWSX_MEMORY;
TRACE("OK!\n");
return TWRC_SUCCESS;
}
bool GPCamera::doConnect()
{
#ifdef HAVE_GPHOTO2
int errorCode;
// -- first step - setup the camera --------------------
if (d->camera)
{
gp_camera_unref(d->camera);
d->camera = 0;
}
CameraAbilitiesList* abilList = 0;
GPPortInfoList* infoList = 0;
GPPortInfo info;
gp_camera_new(&d->camera);
delete d->status;
d->status = 0;
d->status = new GPStatus();
gp_abilities_list_new(&abilList);
gp_abilities_list_load(abilList, d->status->context);
gp_port_info_list_new(&infoList);
gp_port_info_list_load(infoList);
int modelNum = gp_abilities_list_lookup_model(abilList, m_model.toLatin1().constData());
int portNum = gp_port_info_list_lookup_path(infoList, m_port.toLatin1().constData());
gp_abilities_list_get_abilities(abilList, modelNum, &d->cameraAbilities);
errorCode = gp_camera_set_abilities(d->camera, d->cameraAbilities);
if (errorCode != GP_OK)
{
qCDebug(DIGIKAM_IMPORTUI_LOG) << "Failed to set camera Abilities!";
printGphotoErrorDescription(errorCode);
gp_camera_unref(d->camera);
d->camera = 0;
gp_abilities_list_free(abilList);
gp_port_info_list_free(infoList);
return false;
}
if (m_model != QLatin1String("Directory Browse"))
{
gp_port_info_list_get_info(infoList, portNum, &info);
errorCode = gp_camera_set_port_info(d->camera, info);
if (errorCode != GP_OK)
{
qCDebug(DIGIKAM_IMPORTUI_LOG) << "Failed to set camera port!";
printGphotoErrorDescription(errorCode);
gp_camera_unref(d->camera);
d->camera = 0;
gp_abilities_list_free(abilList);
gp_port_info_list_free(infoList);
return false;
}
}
gp_abilities_list_free(abilList);
gp_port_info_list_free(infoList);
if (d->cameraAbilities.file_operations &
GP_FILE_OPERATION_PREVIEW)
{
m_thumbnailSupport = true;
}
if (d->cameraAbilities.file_operations &
GP_FILE_OPERATION_DELETE)
{
m_deleteSupport = true;
}
if (d->cameraAbilities.folder_operations &
GP_FOLDER_OPERATION_PUT_FILE)
{
m_uploadSupport = true;
}
if (d->cameraAbilities.folder_operations &
GP_FOLDER_OPERATION_MAKE_DIR)
{
m_mkDirSupport = true;
}
if (d->cameraAbilities.folder_operations &
GP_FOLDER_OPERATION_REMOVE_DIR)
{
m_delDirSupport = true;
}
if (d->cameraAbilities.operations &
GP_OPERATION_CAPTURE_IMAGE)
{
m_captureImageSupport = true;
}
if (d->cameraAbilities.operations &
GP_OPERATION_CAPTURE_PREVIEW)
{
m_captureImagePreviewSupport = true;
}
// -- Try and initialize the camera to see if its connected -----------------
errorCode = gp_camera_init(d->camera, d->status->context);
if (errorCode != GP_OK)
{
qCDebug(DIGIKAM_IMPORTUI_LOG) << "Failed to initialize camera!";
printGphotoErrorDescription(errorCode);
gp_camera_unref(d->camera);
d->camera = 0;
return false;
}
d->cameraInitialized = true;
return true;
#else
return false;
#endif /* HAVE_GPHOTO2 */
}
int input_run(int id)
{
int res, i;
global->in[id].buf = malloc(256 * 1024);
if(global->in[id].buf == NULL)
{
IPRINT(INPUT_PLUGIN_NAME " - could not allocate memory\n");
exit(EXIT_FAILURE);
}
plugin_id = id;
// auto-detect algorithm
CameraAbilitiesList* al;
GPPortInfoList* il;
CameraList* list;
const char* model;
const char* port;
context = gp_context_new();
gp_abilities_list_new(&al);
gp_abilities_list_load(al, context);
gp_port_info_list_new(&il);
gp_port_info_list_load(il);
gp_list_new(&list);
gp_abilities_list_detect(al, il, list, context);
int count = gp_list_count(list);
IPRINT(INPUT_PLUGIN_NAME " - Detected %d camera(s)\n", count);
if(count == 0)
{
IPRINT(INPUT_PLUGIN_NAME " - No cameras detected.\n");
return 0;
}
GPPortInfo info;
CameraAbilities a;
int m, p;
camera = NULL;
for(i = 0; i < count; i++)
{
res = gp_list_get_name(list, i, &model);
CAMERA_CHECK_GP(res, "gp_list_get_name");
m = gp_abilities_list_lookup_model(al, model);
if(m < 0)
{
IPRINT(INPUT_PLUGIN_NAME " - Gphoto abilities_list_lookup_model Code: %d - %s\n", m, gp_result_as_string(m));
return 0;
}
res = gp_abilities_list_get_abilities(al, m, &a);
CAMERA_CHECK_GP(res, "gp_abilities_list_get_abilities");
res = gp_list_get_value(list, i, &port);
CAMERA_CHECK_GP(res, "gp_list_get_value"); DBG("Model: %s; port: %s.\n", model, port);
if(selected_port != NULL && strcmp(selected_port, port) != 0)
continue;
p = gp_port_info_list_lookup_path(il, port);
if(p < 0)
{
IPRINT(INPUT_PLUGIN_NAME " - Gphoto port_info_list_lookup_path Code: %d - %s\n", m, gp_result_as_string(m));
return 0;
}
res = gp_port_info_list_get_info(il, p, &info);
CAMERA_CHECK_GP(res, "gp_port_info_list_get_info");
res = gp_camera_new(&camera);
CAMERA_CHECK_GP(res, "gp_camera_new");
res = gp_camera_set_abilities(camera, a);
CAMERA_CHECK_GP(res, "gp_camera_set_abilities");
res = gp_camera_set_port_info(camera, info);
CAMERA_CHECK_GP(res, "gp_camera_set_port_info");
}
if(camera == NULL)
{
IPRINT("Camera %s not found, exiting.\n", selected_port);
exit(EXIT_FAILURE);
}
// cleanup
gp_list_unref(list);
gp_port_info_list_free(il);
gp_abilities_list_free(al);
// open camera and set capture on
int value = 1;
res = gp_camera_init(camera, context);
CAMERA_CHECK_GP(res, "gp_camera_init");
camera_set("capture", &value);
// starting thread
if(pthread_create(&thread, 0, capture, NULL) != 0)
{
free(global->in[id].buf);
IPRINT("could not start worker thread\n");
exit(EXIT_FAILURE);
}
pthread_detach(thread);
return 0;
}
/**
* Initiate a connection to the \c camera.
*
* @param camera a #Camera
* @param context a #GPContext
* @return a gphoto2 error code
*
* Before calling this function, the
* \c camera should be set up using #gp_camera_set_port_path or
* #gp_camera_set_port_name and #gp_camera_set_abilities. If that has been
* omitted, gphoto2 tries to autodetect any cameras and chooses the first one
* if any cameras are found. It is generally a good idea to call
* #gp_camera_exit after transactions have been completed in order to give
* other applications the chance to access the camera, too.
*
*/
int
gp_camera_init (Camera *camera, GPContext *context)
{
CameraAbilities a;
const char *model, *port;
CameraLibraryInitFunc init_func;
int result;
gp_log (GP_LOG_DEBUG, "gphoto2-camera", "Initializing camera...");
CHECK_NULL (camera);
/*
* Reset the exit_requested flag. If this flag is set,
* gp_camera_exit will be called as soon as the camera is no
* longer in use (used flag).
*/
camera->pc->exit_requested = 0;
/*
* If the model hasn't been indicated, try to
* figure it out (USB only). Beware of "Directory Browse".
*/
if (strcasecmp (camera->pc->a.model, "Directory Browse") &&
!strcmp ("", camera->pc->a.model)) {
CameraAbilitiesList *al;
GPPortInfo pinfo;
GPPortInfoList *il;
int m, p;
GPPortInfo info;
CameraList *list;
result = gp_list_new (&list);
if (result < GP_OK)
return result;
result = gp_port_get_info (camera->port, &pinfo);
if (result < GP_OK)
return result;
gp_log (GP_LOG_DEBUG, "gphoto2-camera", "pinfo.type %d", pinfo.type);
gp_log (GP_LOG_DEBUG, "gphoto2-camera", "pinfo.path %s", pinfo.path);
gp_log (GP_LOG_DEBUG, "gphoto2-camera", "pinfo.name %s", pinfo.name);
gp_log (GP_LOG_DEBUG, "gphoto2-camera", "Neither "
"port nor model set. Trying auto-detection...");
/* Call auto-detect and choose the first camera */
gp_abilities_list_new (&al);
gp_abilities_list_load (al, context);
gp_port_info_list_new (&il);
gp_port_info_list_load (il);
gp_abilities_list_detect (al, il, list, context);
if (!gp_list_count (list)) {
gp_abilities_list_free (al);
gp_port_info_list_free (il);
gp_context_error (context, _("Could not detect any camera"));
gp_list_free (list);
return (GP_ERROR_MODEL_NOT_FOUND);
}
p = 0;
/* if the port was set before, then use that entry. but not if it is "usb:" */
if ( (pinfo.type == GP_PORT_USB) &&
strlen(pinfo.path) &&
strcmp(pinfo.path,"usb:")
) {
for (p = gp_list_count (list);p--;) {
const char *xp;
gp_list_get_value (list, p, &xp);
if (!strcmp (xp, pinfo.path))
break;
}
if (p<0) {
gp_context_error (context, _("Could not detect any camera at port %s"), pinfo.path);
return (GP_ERROR_FILE_NOT_FOUND);
}
}
gp_list_get_name (list, p, &model);
m = gp_abilities_list_lookup_model (al, model);
gp_abilities_list_get_abilities (al, m, &a);
gp_abilities_list_free (al);
CRSL (camera, gp_camera_set_abilities (camera, a), context, list);
CRSL (camera, gp_list_get_value (list, p, &port), context, list);
p = gp_port_info_list_lookup_path (il, port);
gp_port_info_list_get_info (il, p, &info);
gp_port_info_list_free (il);
CRSL (camera, gp_camera_set_port_info (camera, info), context, list);
gp_list_free (list);
}
if (strcasecmp (camera->pc->a.model, "Directory Browse")) {
switch (camera->port->type) {
case GP_PORT_NONE:
gp_context_error (context, _("You have to set the "
"port prior to initialization of the camera."));
return (GP_ERROR_UNKNOWN_PORT);
case GP_PORT_USB:
if (gp_port_usb_find_device (camera->port,
camera->pc->a.usb_vendor,
camera->pc->a.usb_product) != GP_OK) {
CRS (camera, gp_port_usb_find_device_by_class
(camera->port,
camera->pc->a.usb_class,
camera->pc->a.usb_subclass,
camera->pc->a.usb_protocol), context);
}
break;
default:
break;
}
}
/* Load the library. */
gp_log (GP_LOG_DEBUG, "gphoto2-camera", "Loading '%s'...",
camera->pc->a.library);
lt_dlinit ();
camera->pc->lh = lt_dlopenext (camera->pc->a.library);
if (!camera->pc->lh) {
gp_context_error (context, _("Could not load required "
"camera driver '%s' (%s)."), camera->pc->a.library,
lt_dlerror ());
lt_dlexit ();
return (GP_ERROR_LIBRARY);
}
/* Initialize the camera */
init_func = lt_dlsym (camera->pc->lh, "camera_init");
if (!init_func) {
lt_dlclose (camera->pc->lh);
lt_dlexit ();
camera->pc->lh = NULL;
gp_context_error (context, _("Camera driver '%s' is "
"missing the 'camera_init' function."),
camera->pc->a.library);
return (GP_ERROR_LIBRARY);
}
if (strcasecmp (camera->pc->a.model, "Directory Browse")) {
result = gp_port_open (camera->port);
if (result < 0) {
lt_dlclose (camera->pc->lh);
lt_dlexit ();
camera->pc->lh = NULL;
return (result);
}
}
result = init_func (camera, context);
if (result < 0) {
gp_port_close (camera->port);
lt_dlclose (camera->pc->lh);
lt_dlexit ();
camera->pc->lh = NULL;
memset (camera->functions, 0, sizeof (CameraFunctions));
return (result);
}
/* We don't care if that goes wrong */
#ifdef HAVE_MULTI
gp_port_close (camera->port);
#endif
return (GP_OK);
}
static GtkamCamera *
gtkam_chooser_get_camera (GtkamChooser *chooser)
{
GtkWidget *dialog, *status;
GPPortInfo info;
Camera *camera;
CameraAbilities abilities;
const gchar *model, *port, *speed;
gchar *port_path, *right, *tmp;
int m, p, r;
gboolean multi;
GtkamCamera *c;
model = gtk_entry_get_text (chooser->priv->entry_model);
port = gtk_entry_get_text (chooser->priv->entry_port);
speed = gtk_entry_get_text (chooser->priv->entry_speed);
multi = GTK_TOGGLE_BUTTON (chooser->priv->check_multi)->active;
if (!port || !*port)
port_path = g_strdup (_("None"));
else {
port_path = g_strdup (port);
right = strrchr (port_path, ')');
*right = '\0';
tmp = g_strdup (strrchr (port_path, '(') + 1);
g_free (port_path);
port_path = tmp;
}
gp_camera_new (&camera);
#ifdef HAVE_GP_CAMERA_SET_TIMEOUT_FUNCS
gp_camera_set_timeout_funcs (camera, start_timeout_func,
stop_timeout_func, NULL);
#endif
/* Model? */
m = gp_abilities_list_lookup_model (chooser->priv->al, model);
gp_abilities_list_get_abilities (chooser->priv->al, m, &abilities);
gp_camera_set_abilities (camera, abilities);
/* Port? */
if (strcmp (port_path, _("None"))) {
p = gp_port_info_list_lookup_path (chooser->priv->il,
port_path);
gp_port_info_list_get_info (chooser->priv->il, p, &info);
gp_camera_set_port_info (camera, info);
}
/* Speed? */
if (strcmp (speed, _("Best")))
gp_camera_set_port_speed (camera, atoi (speed));
/*
* Initialize the camera to check if it is really there. Exit
* afterwards because other applications could need the camera, too.
*/
status = gtkam_status_new (_("Initializing camera..."));
gtkam_dialog_add_status (GTKAM_DIALOG (chooser), status);
r = gp_camera_init (camera, GTKAM_STATUS (status)->context->context);
if (multi)
gp_camera_exit (camera, NULL);
switch (r) {
case GP_OK:
break;
case GP_ERROR_CANCEL:
g_free (port_path);
break;
default:
g_free (port_path);
dialog = gtkam_error_new (r, GTKAM_STATUS (status)->context,
NULL, _("Could not initialize camera."));
gtk_window_set_transient_for (GTK_WINDOW (dialog),
GTK_WINDOW (chooser));
gtk_widget_show (dialog);
gp_camera_unref (camera);
camera = NULL;
}
gtk_object_destroy (GTK_OBJECT (status));
c = gtkam_camera_new (camera, multi);
gp_camera_unref (camera);
return (c);
}