Fix #146: Make a new top-level directory for cams

... and build a package for each camera. Moreover, for some reason we can live
without the CMake generated spec file for RPM generation. AFAICS, the RPMs are
prefixed correctly.

3 files changed, 597 insertions, 0 deletions

diff --git a/plugins/ufo/CMakeLists.txt b/plugins/ufo/CMakeLists.txt
new file mode 100644
index 0000000..fe89668
--- /dev/null
+++ b/plugins/ufo/CMakeLists.txt
@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 2.8)
+project(ucaufo)
+
+find_package(IPE)
+
+if (IPE_FOUND)
+    set(UCA_CAMERA_NAME "ufo")
+
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/../package-plugin.sh.in
+                   ${CMAKE_CURRENT_BINARY_DIR}/../../package-plugin-${UCA_CAMERA_NAME}.sh)
+
+    include_directories(${IPE_INCLUDE_DIRS})
+
+    add_library(ucaufo SHARED
+                uca-ufo-camera.c)
+
+    target_link_libraries(ucaufo
+                          ${UCA_DEPS}
+                          ${IPE_LIBRARIES})
+
+    install(TARGETS ucaufo
+            LIBRARY DESTINATION ${LIB_INSTALL_DIR}/uca
+            COMPONENT ${UCA_CAMERA_NAME})
+endif()
diff --git a/plugins/ufo/uca-ufo-camera.c b/plugins/ufo/uca-ufo-camera.c
new file mode 100644
index 0000000..7542fdf
--- /dev/null
+++ b/plugins/ufo/uca-ufo-camera.c
@@ -0,0 +1,497 @@
+/* Copyright (C) 2011, 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
+   (Karlsruhe Institute of Technology)
+
+   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 2.1 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 St, Fifth Floor, Boston, MA 02110, USA */
+
+#include <gmodule.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <pcilib.h>
+#include <errno.h>
+#include "uca-camera.h"
+#include "uca-ufo-camera.h"
+
+#define PCILIB_SET_ERROR(err, err_type)                 \
+    if (err != 0) {                                     \
+        g_set_error(error, UCA_UFO_CAMERA_ERROR,        \
+                err_type,                               \
+                "pcilib: %s", strerror(err));           \
+        return;                                         \
+    }
+
+#define UCA_UFO_CAMERA_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), UCA_TYPE_UFO_CAMERA, UcaUfoCameraPrivate))
+
+G_DEFINE_TYPE(UcaUfoCamera, uca_ufo_camera, UCA_TYPE_CAMERA)
+
+static const guint SENSOR_WIDTH = 2048;
+static const guint SENSOR_HEIGHT = 1088;
+static const gdouble EXPOSURE_TIME_SCALE = 2.69e6;
+
+/**
+ * UcaUfoCameraError:
+ * @UCA_UFO_CAMERA_ERROR_INIT: Initializing pcilib failed
+ * @UCA_UFO_CAMERA_ERROR_START_RECORDING: Starting failed
+ * @UCA_UFO_CAMERA_ERROR_STOP_RECORDING: Stopping failed
+ * @UCA_UFO_CAMERA_ERROR_TRIGGER: Triggering a frame failed
+ * @UCA_UFO_CAMERA_ERROR_NEXT_EVENT: No event happened
+ * @UCA_UFO_CAMERA_ERROR_NO_DATA: No data was transmitted
+ * @UCA_UFO_CAMERA_ERROR_MAYBE_CORRUPTED: Data is potentially corrupted
+ */
+GQuark uca_ufo_camera_error_quark()
+{
+    return g_quark_from_static_string("uca-ufo-camera-error-quark");
+}
+
+enum {
+    PROP_SENSOR_TEMPERATURE = N_BASE_PROPERTIES,
+    PROP_FPGA_TEMPERATURE,
+    PROP_UFO_START,
+    N_MAX_PROPERTIES = 512
+};
+
+static gint base_overrideables[] = {
+    PROP_NAME,
+    PROP_SENSOR_WIDTH,
+    PROP_SENSOR_HEIGHT,
+    PROP_SENSOR_HORIZONTAL_BINNING,
+    PROP_SENSOR_VERTICAL_BINNING,
+    PROP_SENSOR_MAX_FRAME_RATE,
+    PROP_SENSOR_BITDEPTH,
+    PROP_EXPOSURE_TIME,
+    PROP_ROI_X,
+    PROP_ROI_Y,
+    PROP_ROI_WIDTH,
+    PROP_ROI_HEIGHT,
+    PROP_ROI_WIDTH_MULTIPLIER,
+    PROP_ROI_HEIGHT_MULTIPLIER,
+    PROP_HAS_STREAMING,
+    PROP_HAS_CAMRAM_RECORDING,
+    PROP_TRIGGER_MODE,
+    0,
+};
+
+typedef struct _RegisterInfo {
+    gchar  *name;
+    guint   cached_value;
+} RegisterInfo;
+
+static GParamSpec *ufo_properties[N_MAX_PROPERTIES] = { NULL, };
+
+static guint N_PROPERTIES;
+static GHashTable *ufo_property_table; /* maps from prop_id to RegisterInfo* */
+
+struct _UcaUfoCameraPrivate {
+    pcilib_t           *handle;
+    pcilib_timeout_t    timeout;
+    guint               n_bits;
+    enum {
+        FPGA_48MHZ = 0,
+        FPGA_40MHZ
+    }                   frequency;
+};
+
+static void
+error_handler (const char *format, ...)
+{
+    va_list args;
+    gchar *message;
+
+    va_start (args, format);
+    message = g_strdup_vprintf (format, args);
+    g_warning ("%s", message);
+    va_end (args);
+}
+
+static guint
+read_register_value (pcilib_t *handle, const gchar *name)
+{
+    pcilib_register_value_t reg_value;
+
+    pcilib_read_register(handle, NULL, name, &reg_value);
+    return (guint) reg_value;
+}
+
+static int event_callback(pcilib_event_id_t event_id, pcilib_event_info_t *info, void *user)
+{
+    UcaCamera *camera = UCA_CAMERA(user);
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(camera);
+    size_t error = 0;
+
+    void *buffer = pcilib_get_data(priv->handle, event_id, PCILIB_EVENT_DATA, &error);
+
+    if (buffer == NULL) {
+        pcilib_trigger(priv->handle, PCILIB_EVENT0, 0, NULL);
+        return PCILIB_STREAMING_CONTINUE;
+    }
+
+    camera->grab_func(buffer, camera->user_data);
+    pcilib_return_data(priv->handle, event_id, PCILIB_EVENT_DATA, buffer);
+    pcilib_trigger(priv->handle, PCILIB_EVENT0, 0, NULL);
+
+    return PCILIB_STREAMING_CONTINUE;
+}
+
+G_MODULE_EXPORT UcaCamera *
+uca_camera_impl_new (GError **error)
+{
+    pcilib_model_t model = PCILIB_MODEL_DETECT;
+    pcilib_model_description_t *model_description;
+    pcilib_t *handle = pcilib_open("/dev/fpga0", model);
+    guint prop = PROP_UFO_START;
+    guint adc_resolution;
+
+    if (handle == NULL) {
+        g_set_error(error, UCA_UFO_CAMERA_ERROR, UCA_UFO_CAMERA_ERROR_INIT,
+                "Initializing pcilib failed");
+        return NULL;
+    }
+
+    pcilib_set_error_handler(&error_handler, &error_handler);
+
+    /* Generate properties from model description */
+    model_description = pcilib_get_model_description(handle);
+    ufo_property_table = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
+
+    for (guint i = 0; model_description->registers[i].name != NULL; i++) {
+        GParamFlags flags = 0;
+        RegisterInfo *reg_info;
+        gchar *prop_name;
+        pcilib_register_description_t *reg;
+        pcilib_register_value_t value;
+
+        reg = &model_description->registers[i];
+
+        switch (reg->mode) {
+            case PCILIB_REGISTER_R:
+                flags = G_PARAM_READABLE;
+                break;
+            case PCILIB_REGISTER_W:
+            case PCILIB_REGISTER_W1C:
+                flags = G_PARAM_WRITABLE;
+                break;
+            case PCILIB_REGISTER_RW:
+            case PCILIB_REGISTER_RW1C:
+                flags = G_PARAM_READWRITE;
+                break;
+        }
+
+        pcilib_read_register (handle, NULL, reg->name, &value);
+        reg_info = g_new0 (RegisterInfo, 1);
+        reg_info->name = g_strdup (reg->name);
+        reg_info->cached_value = (guint32) value;
+
+        g_hash_table_insert (ufo_property_table, GINT_TO_POINTER (prop), reg_info);
+        prop_name = g_strdup_printf ("ufo-%s", reg->name);
+
+        ufo_properties[prop++] = g_param_spec_uint (
+                prop_name, reg->description, reg->description,
+                0, G_MAXUINT, reg->defvalue, flags);
+
+        g_free (prop_name);
+    }
+
+    N_PROPERTIES = prop;
+
+    UcaUfoCamera *camera = g_object_new(UCA_TYPE_UFO_CAMERA, NULL);
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(camera);
+
+    priv->frequency = read_register_value (handle, "bit_mode");
+    adc_resolution = read_register_value (handle, "adc_resolution");
+
+    switch (adc_resolution) {
+        case 0:
+            priv->n_bits = 10;
+            break;
+        case 1:
+            priv->n_bits = 11;
+            break;
+        case 2:
+            priv->n_bits = 12;
+            break;
+    }
+
+    priv->handle = handle;
+
+    return UCA_CAMERA (camera);
+}
+
+static void uca_ufo_camera_start_recording(UcaCamera *camera, GError **error)
+{
+    UcaUfoCameraPrivate *priv;
+    gdouble exposure_time;
+    int     err;
+
+    g_return_if_fail(UCA_IS_UFO_CAMERA(camera));
+
+    priv = UCA_UFO_CAMERA_GET_PRIVATE(camera);
+    err = pcilib_start(priv->handle, PCILIB_EVENT_DATA, PCILIB_EVENT_FLAGS_DEFAULT);
+    PCILIB_SET_ERROR(err, UCA_UFO_CAMERA_ERROR_START_RECORDING);
+
+    gboolean transfer_async = FALSE;
+    g_object_get(G_OBJECT(camera),
+            "transfer-asynchronously", &transfer_async,
+            "exposure-time", &exposure_time,
+            NULL);
+
+    priv->timeout = ((pcilib_timeout_t) (exposure_time * 1000 + 50.0) * 1000);
+
+    if (transfer_async) {
+        pcilib_trigger(priv->handle, PCILIB_EVENT0, 0, NULL);
+        pcilib_stream(priv->handle, &event_callback, camera);
+    }
+}
+
+static void uca_ufo_camera_stop_recording(UcaCamera *camera, GError **error)
+{
+    g_return_if_fail(UCA_IS_UFO_CAMERA(camera));
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(camera);
+    int err = pcilib_stop(priv->handle, PCILIB_EVENT_FLAGS_DEFAULT);
+    PCILIB_SET_ERROR(err, UCA_UFO_CAMERA_ERROR_START_RECORDING);
+}
+
+static void uca_ufo_camera_start_readout(UcaCamera *camera, GError **error)
+{
+    g_return_if_fail(UCA_IS_UFO_CAMERA(camera));
+    g_set_error(error, UCA_CAMERA_ERROR, UCA_CAMERA_ERROR_NOT_IMPLEMENTED,
+            "Ufo camera does not support recording to internal memory");
+}
+
+static void uca_ufo_camera_grab(UcaCamera *camera, gpointer *data, GError **error)
+{
+    g_return_if_fail(UCA_IS_UFO_CAMERA(camera));
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(camera);
+    pcilib_event_id_t   event_id;
+    pcilib_event_info_t event_info;
+    size_t err;
+
+    const gsize size = SENSOR_WIDTH * SENSOR_HEIGHT * sizeof(guint16);
+
+    err = pcilib_trigger(priv->handle, PCILIB_EVENT0, 0, NULL);
+    PCILIB_SET_ERROR(err, UCA_UFO_CAMERA_ERROR_TRIGGER);
+
+    err = pcilib_get_next_event(priv->handle, priv->timeout, &event_id, sizeof(pcilib_event_info_t), &event_info);
+    PCILIB_SET_ERROR(err, UCA_UFO_CAMERA_ERROR_NEXT_EVENT);
+
+    if (*data == NULL)
+        *data = g_malloc0(SENSOR_WIDTH * SENSOR_HEIGHT * sizeof(guint16));
+
+    gpointer src = pcilib_get_data(priv->handle, event_id, PCILIB_EVENT_DATA, &err);
+
+    if (src == NULL)
+        PCILIB_SET_ERROR(err, UCA_UFO_CAMERA_ERROR_NO_DATA);
+
+    /*
+     * Apparently, we checked that err equals total size in previous version.
+     * This is problematic because errno is positive and size could be equal
+     * even when an error condition is met, e.g. with a very small ROI. However,
+     * we don't know if src will always be NULL when an error occured.
+     */
+    /* assert(err == size); */
+
+    memcpy(*data, src, size);
+
+    /*
+     * Another problem here. What does this help us? At this point we have
+     * already overwritten the original buffer but can only know here if the
+     * data is corrupted.
+     */
+    err = pcilib_return_data(priv->handle, event_id, PCILIB_EVENT_DATA, data);
+    PCILIB_SET_ERROR(err, UCA_UFO_CAMERA_ERROR_MAYBE_CORRUPTED);
+}
+
+static void
+uca_ufo_camera_set_property(GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
+{
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(object);
+
+    switch (property_id) {
+        case PROP_EXPOSURE_TIME:
+            {
+                const guint frequency = priv->frequency == FPGA_40MHZ ? 40 : 48;
+                pcilib_register_value_t reg_value = (pcilib_register_value_t) 129 / frequency * 1000 * 1000 * g_value_get_double(value);
+                pcilib_write_register(priv->handle, NULL, "cmosis_exp_time", reg_value);
+            }
+            break;
+        case PROP_ROI_X:
+        case PROP_ROI_Y:
+        case PROP_ROI_WIDTH:
+        case PROP_ROI_HEIGHT:
+            g_debug("ROI feature not implemented yet");
+            break;
+
+        default:
+            {
+                RegisterInfo *reg_info = g_hash_table_lookup (ufo_property_table, GINT_TO_POINTER (property_id));
+
+                if (reg_info != NULL) {
+                    pcilib_register_value_t reg_value;
+
+                    reg_value = g_value_get_uint (value);
+                    pcilib_write_register(priv->handle, NULL, reg_info->name, reg_value);
+                    pcilib_read_register (priv->handle, NULL, reg_info->name, &reg_value);
+                    reg_info->cached_value = (guint) reg_value;
+                }
+                else
+                    G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+            }
+            return;
+    }
+}
+
+
+static void
+uca_ufo_camera_get_property(GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
+{
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(object);
+
+    switch (property_id) {
+        case PROP_SENSOR_WIDTH:
+            g_value_set_uint(value, SENSOR_WIDTH);
+            break;
+        case PROP_SENSOR_HEIGHT:
+            g_value_set_uint(value, SENSOR_HEIGHT);
+            break;
+        case PROP_SENSOR_BITDEPTH:
+            g_value_set_uint (value, priv->n_bits);
+            break;
+        case PROP_SENSOR_HORIZONTAL_BINNING:
+            g_value_set_uint(value, 1);
+            break;
+        case PROP_SENSOR_VERTICAL_BINNING:
+            g_value_set_uint(value, 1);
+            break;
+        case PROP_SENSOR_MAX_FRAME_RATE:
+            g_value_set_float(value, 340.0);
+            break;
+        case PROP_SENSOR_TEMPERATURE:
+            {
+                const double a = priv->frequency == FPGA_48MHZ ? 0.3 : 0.25;
+                const double b = priv->frequency == FPGA_48MHZ ? 1000 : 1200;
+                guint32 temperature;
+
+                temperature = read_register_value (priv->handle, "sensor_temperature");
+                g_value_set_double (value, a * (temperature - b));
+            }
+            break;
+        case PROP_FPGA_TEMPERATURE:
+            {
+                const double a = 503.975 / 1024.0;
+                const double b = 273.15;
+                guint32 temperature;
+
+                temperature = read_register_value (priv->handle, "fpga_temperature");
+                g_value_set_double (value, a * temperature - b);
+            }
+            break;
+        case PROP_EXPOSURE_TIME:
+            {
+                const gdouble frequency = priv->frequency == FPGA_40MHZ ? 40.0 : 48.0;
+                g_value_set_double (value, read_register_value (priv->handle, "cmosis_exp_time") * 129 / frequency / 1000 / 1000 );
+            }
+            break;
+        case PROP_HAS_STREAMING:
+            g_value_set_boolean(value, TRUE);
+            break;
+        case PROP_HAS_CAMRAM_RECORDING:
+            g_value_set_boolean(value, FALSE);
+            break;
+        case PROP_ROI_X:
+            g_value_set_uint(value, 0);
+            break;
+        case PROP_ROI_Y:
+            g_value_set_uint(value, 0);
+            break;
+        case PROP_ROI_WIDTH:
+            g_value_set_uint(value, SENSOR_WIDTH);
+            break;
+        case PROP_ROI_HEIGHT:
+            g_value_set_uint(value, SENSOR_HEIGHT);
+            break;
+        case PROP_ROI_WIDTH_MULTIPLIER:
+            g_value_set_uint(value, 1);
+            break;
+        case PROP_ROI_HEIGHT_MULTIPLIER:
+            g_value_set_uint(value, 1);
+            break;
+        case PROP_NAME:
+            g_value_set_string(value, "Ufo Camera w/ CMOSIS CMV2000");
+            break;
+        case PROP_TRIGGER_MODE:
+            break;
+        default:
+            {
+                RegisterInfo *reg_info = g_hash_table_lookup (ufo_property_table, GINT_TO_POINTER (property_id));
+
+                if (reg_info != NULL)
+                    g_value_set_uint (value, reg_info->cached_value);
+                else
+                    G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+            }
+            break;
+    }
+}
+
+static void uca_ufo_camera_finalize(GObject *object)
+{
+    UcaUfoCameraPrivate *priv = UCA_UFO_CAMERA_GET_PRIVATE(object);
+    pcilib_close(priv->handle);
+    G_OBJECT_CLASS(uca_ufo_camera_parent_class)->finalize(object);
+}
+
+static void uca_ufo_camera_class_init(UcaUfoCameraClass *klass)
+{
+    GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+    gobject_class->set_property = uca_ufo_camera_set_property;
+    gobject_class->get_property = uca_ufo_camera_get_property;
+    gobject_class->finalize = uca_ufo_camera_finalize;
+
+    UcaCameraClass *camera_class = UCA_CAMERA_CLASS(klass);
+    camera_class->start_recording = uca_ufo_camera_start_recording;
+    camera_class->stop_recording = uca_ufo_camera_stop_recording;
+    camera_class->start_readout = uca_ufo_camera_start_readout;
+    camera_class->grab = uca_ufo_camera_grab;
+
+    for (guint i = 0; base_overrideables[i] != 0; i++)
+        g_object_class_override_property(gobject_class, base_overrideables[i], uca_camera_props[base_overrideables[i]]);
+
+    ufo_properties[PROP_SENSOR_TEMPERATURE] =
+        g_param_spec_double("sensor-temperature",
+            "Temperature of the sensor",
+            "Temperature of the sensor in degree Celsius",
+            -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
+            G_PARAM_READABLE);
+
+    ufo_properties[PROP_FPGA_TEMPERATURE] =
+        g_param_spec_double("fpga-temperature",
+            "Temperature of the FPGA",
+            "Temperature of the FPGA in degree Celsius",
+            -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
+            G_PARAM_READABLE);
+
+    /*
+     * This automatic property installation includes the properties created
+     * dynamically in uca_ufo_camera_new().
+     */
+    for (guint id = N_BASE_PROPERTIES; id < N_PROPERTIES; id++)
+        g_object_class_install_property(gobject_class, id, ufo_properties[id]);
+
+    g_type_class_add_private(klass, sizeof(UcaUfoCameraPrivate));
+}
+
+static void uca_ufo_camera_init(UcaUfoCamera *self)
+{
+    self->priv = UCA_UFO_CAMERA_GET_PRIVATE(self);
+}
diff --git a/plugins/ufo/uca-ufo-camera.h b/plugins/ufo/uca-ufo-camera.h
new file mode 100644
index 0000000..7030389
--- /dev/null
+++ b/plugins/ufo/uca-ufo-camera.h
@@ -0,0 +1,76 @@
+/* Copyright (C) 2011, 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
+   (Karlsruhe Institute of Technology)
+
+   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 2.1 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 St, Fifth Floor, Boston, MA 02110, USA */
+
+#ifndef __UCA_UFO_CAMERA_H
+#define __UCA_UFO_CAMERA_H
+
+#include <glib-object.h>
+#include "uca-camera.h"
+
+G_BEGIN_DECLS
+
+#define UCA_TYPE_UFO_CAMERA             (uca_ufo_camera_get_type())
+#define UCA_UFO_CAMERA(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), UCA_TYPE_UFO_CAMERA, UcaUfoCamera))
+#define UCA_IS_UFO_CAMERA(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), UCA_TYPE_UFO_CAMERA))
+#define UCA_UFO_CAMERA_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), UCA_TYPE_UFO_CAMERA, UcaUfoCameraClass))
+#define UCA_IS_UFO_CAMERA_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), UCA_TYPE_UFO_CAMERA))
+#define UCA_UFO_CAMERA_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), UCA_TYPE_UFO_CAMERA, UcaUfoCameraClass))
+
+#define UCA_UFO_CAMERA_ERROR uca_ufo_camera_error_quark()
+typedef enum {
+    UCA_UFO_CAMERA_ERROR_INIT,
+    UCA_UFO_CAMERA_ERROR_START_RECORDING,
+    UCA_UFO_CAMERA_ERROR_STOP_RECORDING,
+    UCA_UFO_CAMERA_ERROR_TRIGGER,
+    UCA_UFO_CAMERA_ERROR_NEXT_EVENT,
+    UCA_UFO_CAMERA_ERROR_NO_DATA,
+    UCA_UFO_CAMERA_ERROR_MAYBE_CORRUPTED
+} UcaUfoCameraError;
+
+typedef struct _UcaUfoCamera           UcaUfoCamera;
+typedef struct _UcaUfoCameraClass      UcaUfoCameraClass;
+typedef struct _UcaUfoCameraPrivate    UcaUfoCameraPrivate;
+
+/**
+ * UcaUfoCamera:
+ *
+ * Creates #UcaUfoCamera instances by loading corresponding shared objects. The
+ * contents of the #UcaUfoCamera structure are private and should only be
+ * accessed via the provided API.
+ */
+struct _UcaUfoCamera {
+    /*< private >*/
+    UcaCamera parent;
+
+    UcaUfoCameraPrivate *priv;
+};
+
+/**
+ * UcaUfoCameraClass:
+ *
+ * #UcaUfoCamera class
+ */
+struct _UcaUfoCameraClass {
+    /*< private >*/
+    UcaCameraClass parent;
+};
+
+GType uca_ufo_camera_get_type(void);
+
+G_END_DECLS
+
+#endif