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author | Matthias Vogelgesang <matthias.vogelgesang@gmail.com> | 2012-09-28 18:16:56 +0200 |
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committer | Matthias Vogelgesang <matthias.vogelgesang@gmail.com> | 2012-09-28 18:16:56 +0200 |
commit | 99b737ae9f3f1d35a4696594821fa3bc39e8aa87 (patch) | |
tree | 73ed9e59018d3a8181397d5ff4afa70d5029da9a /plugins/mock/uca-mock-camera.c | |
parent | 0bc642a31600bbfaac15779b8d932a409283ae3f (diff) | |
download | uca-99b737ae9f3f1d35a4696594821fa3bc39e8aa87.tar.gz uca-99b737ae9f3f1d35a4696594821fa3bc39e8aa87.tar.bz2 uca-99b737ae9f3f1d35a4696594821fa3bc39e8aa87.tar.xz uca-99b737ae9f3f1d35a4696594821fa3bc39e8aa87.zip |
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.
Diffstat (limited to 'plugins/mock/uca-mock-camera.c')
-rw-r--r-- | plugins/mock/uca-mock-camera.c | 409 |
1 files changed, 409 insertions, 0 deletions
diff --git a/plugins/mock/uca-mock-camera.c b/plugins/mock/uca-mock-camera.c new file mode 100644 index 0000000..7cd4689 --- /dev/null +++ b/plugins/mock/uca-mock-camera.c @@ -0,0 +1,409 @@ +/* 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 <string.h> +#include "uca-mock-camera.h" + +#define UCA_MOCK_CAMERA_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), UCA_TYPE_MOCK_CAMERA, UcaMockCameraPrivate)) + +G_DEFINE_TYPE(UcaMockCamera, uca_mock_camera, UCA_TYPE_CAMERA) + +enum { + PROP_FRAMERATE = N_BASE_PROPERTIES, + N_PROPERTIES +}; + +static const gint mock_overrideables[] = { + PROP_NAME, + PROP_SENSOR_WIDTH, + PROP_SENSOR_HEIGHT, + PROP_SENSOR_BITDEPTH, + PROP_SENSOR_HORIZONTAL_BINNING, + PROP_SENSOR_HORIZONTAL_BINNINGS, + PROP_SENSOR_VERTICAL_BINNING, + PROP_SENSOR_VERTICAL_BINNINGS, + PROP_TRIGGER_MODE, + PROP_EXPOSURE_TIME, + PROP_ROI_X, + PROP_ROI_Y, + PROP_ROI_WIDTH, + PROP_ROI_HEIGHT, + PROP_ROI_HEIGHT_MULTIPLIER, + PROP_ROI_WIDTH_MULTIPLIER, + PROP_SENSOR_MAX_FRAME_RATE, + PROP_HAS_STREAMING, + PROP_HAS_CAMRAM_RECORDING, + 0, +}; + +static GParamSpec *mock_properties[N_PROPERTIES] = { NULL, }; + +struct _UcaMockCameraPrivate { + guint width; + guint height; + guint roi_x, roi_y, roi_width, roi_height; + gfloat frame_rate; + gfloat max_frame_rate; + gdouble exposure_time; + guint8 *dummy_data; + guint current_frame; + + gboolean thread_running; + + GThread *grab_thread; + GValueArray *binnings; +}; + +static const char g_digits[10][20] = { + /* 0 */ + { 0x00, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0xff, 0x00, 0x00, 0xff, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0xff, 0xff, 0x00 }, + /* 1 */ + { 0x00, 0x00, 0xff, 0x00, + 0x00, 0xff, 0xff, 0x00, + 0x00, 0x00, 0xff, 0x00, + 0x00, 0x00, 0xff, 0x00, + 0x00, 0x00, 0xff, 0x00 }, + /* 2 */ + { 0x00, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0x00, 0xff, 0x00, + 0x00, 0xff, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff }, + /* 3 */ + { 0x00, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0x00, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0xff, 0xff, 0x00 }, + /* 4 */ + { 0xff, 0x00, 0x00, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0xff, + 0x00, 0x00, 0x00, 0xff }, + /* 5 */ + { 0xff, 0xff, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, + 0x00, 0xff, 0xff, 0x00, + 0x00, 0x00, 0x00, 0xff, + 0xff, 0xff, 0xff, 0x00 }, + /* 6 */ + { 0x00, 0xff, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0xff, 0xff, 0x00 }, + /* 7 */ + { 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0xff, + 0x00, 0x00, 0xff, 0x00, + 0x00, 0xff, 0x00, 0x00, + 0xff, 0x00, 0x00, 0x00 }, + /* 8 */ + { 0x00, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0xff, 0xff, 0x00 }, + /* 9 */ + { 0x00, 0xff, 0xff, 0x00, + 0xff, 0x00, 0x00, 0xff, + 0x00, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0xff, + 0xff, 0xff, 0xff, 0x00 } +}; + +static const guint DIGIT_WIDTH = 4; +static const guint DIGIT_HEIGHT = 5; + +static void print_number(gchar *buffer, guint number, guint x, guint y, guint width) +{ + for (int i = 0; i < DIGIT_WIDTH; i++) { + for (int j = 0; j < DIGIT_HEIGHT; j++) { + buffer[(y+j)*width + (x+i)] = g_digits[number][j*DIGIT_WIDTH+i]; + } + } +} + +static void print_current_frame(UcaMockCameraPrivate *priv, gchar *buffer) +{ + guint number = priv->current_frame; + guint divisor = 100000000; + int x = 10; + while (divisor > 1) { + print_number(buffer, number / divisor, x, 10, priv->width); + number = number % divisor; + divisor = divisor / 10; + x += DIGIT_WIDTH + 1; + } +} + +static gpointer mock_grab_func(gpointer data) +{ + UcaMockCamera *mock_camera = UCA_MOCK_CAMERA(data); + g_return_val_if_fail(UCA_IS_MOCK_CAMERA(mock_camera), NULL); + + UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(mock_camera); + UcaCamera *camera = UCA_CAMERA(mock_camera); + const gulong sleep_time = (gulong) G_USEC_PER_SEC / priv->frame_rate; + + while (priv->thread_running) { + camera->grab_func(priv->dummy_data, camera->user_data); + g_usleep(sleep_time); + } + + return NULL; +} + +static void uca_mock_camera_start_recording(UcaCamera *camera, GError **error) +{ + gboolean transfer_async = FALSE; + UcaMockCameraPrivate *priv; + g_return_if_fail(UCA_IS_MOCK_CAMERA(camera)); + + priv = UCA_MOCK_CAMERA_GET_PRIVATE(camera); + /* TODO: check that roi_x + roi_width < priv->width */ + priv->dummy_data = (guint8 *) g_malloc0(priv->roi_width * priv->roi_height); + + g_object_get(G_OBJECT(camera), + "transfer-asynchronously", &transfer_async, + NULL); + + /* + * In case asynchronous transfer is requested, we start a new thread that + * invokes the grab callback, otherwise nothing will be done here. + */ + if (transfer_async) { + GError *tmp_error = NULL; + priv->thread_running = TRUE; + priv->grab_thread = g_thread_create(mock_grab_func, camera, TRUE, &tmp_error); + + if (tmp_error != NULL) { + priv->thread_running = FALSE; + g_propagate_error(error, tmp_error); + } + } +} + +static void uca_mock_camera_stop_recording(UcaCamera *camera, GError **error) +{ + gboolean transfer_async = FALSE; + UcaMockCameraPrivate *priv; + g_return_if_fail(UCA_IS_MOCK_CAMERA(camera)); + + priv = UCA_MOCK_CAMERA_GET_PRIVATE(camera); + g_free(priv->dummy_data); + priv->dummy_data = NULL; + + g_object_get(G_OBJECT(camera), + "transfer-asynchronously", &transfer_async, + NULL); + + if (transfer_async) { + priv->thread_running = FALSE; + g_thread_join(priv->grab_thread); + } +} + +static void uca_mock_camera_grab(UcaCamera *camera, gpointer *data, GError **error) +{ + g_return_if_fail(UCA_IS_MOCK_CAMERA(camera)); + g_return_if_fail(data != NULL); + + UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(camera); + + if (*data == NULL) + *data = g_malloc0(priv->width * priv->height); + + g_memmove(*data, priv->dummy_data, priv->width * priv->height); + print_current_frame(priv, *data); + priv->current_frame++; +} + +static void uca_mock_camera_set_property(GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) +{ + g_return_if_fail(UCA_IS_MOCK_CAMERA(object)); + UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(object); + + switch (property_id) { + case PROP_EXPOSURE_TIME: + priv->exposure_time = g_value_get_double(value); + break; + case PROP_FRAMERATE: + priv->frame_rate = g_value_get_float(value); + break; + case PROP_ROI_X: + priv->roi_x = g_value_get_uint(value); + break; + case PROP_ROI_Y: + priv->roi_y = g_value_get_uint(value); + break; + case PROP_ROI_WIDTH: + priv->roi_width = g_value_get_uint(value); + break; + case PROP_ROI_HEIGHT: + priv->roi_height = g_value_get_uint(value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); + return; + } +} + +static void uca_mock_camera_get_property(GObject *object, guint property_id, GValue *value, GParamSpec *pspec) +{ + UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(object); + + switch (property_id) { + case PROP_NAME: + g_value_set_string(value, "mock camera"); + break; + case PROP_SENSOR_WIDTH: + g_value_set_uint(value, priv->width); + break; + case PROP_SENSOR_HEIGHT: + g_value_set_uint(value, priv->height); + break; + case PROP_SENSOR_BITDEPTH: + g_value_set_uint(value, 8); + break; + case PROP_SENSOR_HORIZONTAL_BINNING: + g_value_set_uint(value, 1); + break; + case PROP_SENSOR_HORIZONTAL_BINNINGS: + g_value_set_boxed(value, priv->binnings); + break; + case PROP_SENSOR_VERTICAL_BINNING: + g_value_set_uint(value, 1); + break; + case PROP_SENSOR_VERTICAL_BINNINGS: + g_value_set_boxed(value, priv->binnings); + break; + case PROP_EXPOSURE_TIME: + g_value_set_double(value, priv->exposure_time); + break; + case PROP_TRIGGER_MODE: + g_value_set_enum(value, UCA_CAMERA_TRIGGER_AUTO); + break; + case PROP_ROI_X: + g_value_set_uint(value, priv->roi_x); + break; + case PROP_ROI_Y: + g_value_set_uint(value, priv->roi_y); + break; + case PROP_ROI_WIDTH: + g_value_set_uint(value, priv->roi_width); + break; + case PROP_ROI_HEIGHT: + g_value_set_uint(value, priv->roi_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_SENSOR_MAX_FRAME_RATE: + g_value_set_float(value, priv->max_frame_rate); + 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_FRAMERATE: + g_value_set_float(value, priv->frame_rate); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); + break; + } +} + +static void uca_mock_camera_finalize(GObject *object) +{ + UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(object); + + if (priv->thread_running) { + priv->thread_running = FALSE; + g_thread_join(priv->grab_thread); + } + + g_free(priv->dummy_data); + g_value_array_free(priv->binnings); + + G_OBJECT_CLASS(uca_mock_camera_parent_class)->finalize(object); +} + +static void uca_mock_camera_class_init(UcaMockCameraClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS(klass); + gobject_class->set_property = uca_mock_camera_set_property; + gobject_class->get_property = uca_mock_camera_get_property; + gobject_class->finalize = uca_mock_camera_finalize; + + UcaCameraClass *camera_class = UCA_CAMERA_CLASS(klass); + camera_class->start_recording = uca_mock_camera_start_recording; + camera_class->stop_recording = uca_mock_camera_stop_recording; + camera_class->grab = uca_mock_camera_grab; + + for (guint i = 0; mock_overrideables[i] != 0; i++) + g_object_class_override_property(gobject_class, mock_overrideables[i], uca_camera_props[mock_overrideables[i]]); + + mock_properties[PROP_FRAMERATE] = + g_param_spec_float("frame-rate", + "Frame rate", + "Number of frames per second that are taken", + 1.0f, 100.0f, 100.0f, + G_PARAM_READWRITE); + + for (guint id = N_BASE_PROPERTIES; id < N_PROPERTIES; id++) + g_object_class_install_property(gobject_class, id, mock_properties[id]); + + g_type_class_add_private(klass, sizeof(UcaMockCameraPrivate)); +} + +static void uca_mock_camera_init(UcaMockCamera *self) +{ + self->priv = UCA_MOCK_CAMERA_GET_PRIVATE(self); + self->priv->roi_x = 0; + self->priv->roi_y = 0; + self->priv->width = self->priv->roi_width = 640; + self->priv->height = self->priv->roi_height = 480; + self->priv->frame_rate = self->priv->max_frame_rate = 100000.0f; + self->priv->grab_thread = NULL; + self->priv->current_frame = 0; + + self->priv->binnings = g_value_array_new(1); + GValue val = {0}; + g_value_init(&val, G_TYPE_UINT); + g_value_set_uint(&val, 1); + g_value_array_append(self->priv->binnings, &val); +} + +G_MODULE_EXPORT UcaCamera * +uca_camera_impl_new (GError **error) +{ + UcaCamera *camera = UCA_CAMERA (g_object_new (UCA_TYPE_MOCK_CAMERA, NULL)); + return camera; +} |