int dt_lua_gtk_wrap(lua_State*L)
{
lua_pushvalue(L,lua_upvalueindex(1));
lua_insert(L,1);
if(pthread_equal(darktable.control->gui_thread, pthread_self())) {
return dt_lua_do_chunk_raise(L,lua_gettop(L)-1,LUA_MULTRET);
} else {
dt_lua_unlock();
gtk_wrap_communication communication;
g_mutex_init(&communication.end_mutex);
g_cond_init(&communication.end_cond);
communication.L = L;
g_mutex_lock(&communication.end_mutex);
g_main_context_invoke(NULL,dt_lua_gtk_wrap_callback,&communication);
g_cond_wait(&communication.end_cond,&communication.end_mutex);
g_mutex_unlock(&communication.end_mutex);
g_mutex_clear(&communication.end_mutex);
dt_lua_lock();
if(communication.retval == LUA_OK) {
return lua_gettop(L);
} else {
return lua_error(L);
}
}
}
void dt_ctl_switch_mode_to(const char *mode)
{
const dt_view_t *current_view = dt_view_manager_get_current_view(darktable.view_manager);
if(current_view && !strcmp(mode, current_view->module_name)) return;
g_main_context_invoke(NULL, _dt_ctl_switch_mode_to, (gpointer)mode);
}
/**
* Stop a session.
*
* This requests the drivers of each device participating in the session to
* abort the acquisition as soon as possible. Even after this function returns,
* event processing still continues until all devices have actually stopped.
*
* Use sr_session_stopped_callback_set() to receive notification when the event
* processing finished.
*
* This function is reentrant. That is, it may be called from a different
* thread than the one executing the session, as long as it can be ensured
* that the session object is valid.
*
* If the session is not running, sr_session_stop() silently does nothing.
*
* @param session The session to use. Must not be NULL.
*
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
* @since 0.4.0
*/
SR_API int sr_session_stop(struct sr_session *session)
{
GMainContext *main_context;
if (!session) {
sr_err("%s: session was NULL", __func__);
return SR_ERR_ARG;
}
g_mutex_lock(&session->main_mutex);
main_context = (session->main_context)
? g_main_context_ref(session->main_context)
: NULL;
g_mutex_unlock(&session->main_mutex);
if (!main_context) {
sr_dbg("No main context set; already stopped?");
/* Not an error; as it would be racy. */
return SR_OK;
}
g_main_context_invoke(main_context, &session_stop_sync, session);
g_main_context_unref(main_context);
return SR_OK;
}
static GstFlowReturn
grd_vnc_sink_render (GstBaseSink *base_sink,
GstBuffer *buffer)
{
GrdVncSink *vnc_sink = GRD_VNC_SINK (base_sink);
GrdSession *session;
GrdContext *context;
if (!vnc_sink->session_vnc)
return GST_FLOW_OK;
session = GRD_SESSION (vnc_sink->session_vnc);
context = grd_session_get_context (session);
g_mutex_lock (&vnc_sink->lock);
g_clear_pointer (&vnc_sink->pending_buffer, gst_buffer_unref);
vnc_sink->pending_buffer = gst_buffer_ref (buffer);
g_mutex_unlock (&vnc_sink->lock);
g_main_context_invoke (grd_context_get_main_context (context),
(GSourceFunc) grd_vnc_sink_render_on_main_thread,
gst_object_ref (vnc_sink));
return GST_FLOW_OK;
}
static int gtk_wrap(lua_State*L)
{
lua_pushvalue(L,lua_upvalueindex(1));
lua_insert(L,1);
if(pthread_equal(darktable.control->gui_thread, pthread_self())) {
lua_call(L, lua_gettop(L)-1, LUA_MULTRET);
return lua_gettop(L);
} else {
#ifdef _DEBUG
dt_print(DT_DEBUG_LUA, "LUA DEBUG : %s called from %s %llu\n", __FUNCTION__,
lua_tostring(L, lua_upvalueindex(2)), lua_tointeger(L, lua_upvalueindex(3)));
#endif
dt_lua_unlock();
gtk_wrap_communication communication;
g_mutex_init(&communication.end_mutex);
g_cond_init(&communication.end_cond);
communication.L = L;
g_mutex_lock(&communication.end_mutex);
g_main_context_invoke(NULL,dt_lua_gtk_wrap_callback,&communication);
g_cond_wait(&communication.end_cond,&communication.end_mutex);
g_mutex_unlock(&communication.end_mutex);
g_mutex_clear(&communication.end_mutex);
dt_lua_lock();
#ifdef _DEBUG
dt_print(DT_DEBUG_LUA, "LUA DEBUG : %s return for call from from %s %llu\n", __FUNCTION__,
lua_tostring(L, lua_upvalueindex(2)), lua_tointeger(L, lua_upvalueindex(3)));
#endif
if(communication.retval == LUA_OK) {
return lua_gettop(L);
} else {
return lua_error(L);
}
}
}
void dt_ctl_switch_mode_to(dt_control_gui_mode_t mode)
{
dt_control_gui_mode_t oldmode = dt_conf_get_int("ui_last/view");
if(oldmode == mode) return;
g_main_context_invoke(NULL, _dt_ctl_switch_mode_to, GINT_TO_POINTER(mode));
}
void
cb_file_monitor(ZathuraFileMonitor* monitor, girara_session_t* session)
{
g_return_if_fail(monitor != NULL);
g_return_if_fail(session != NULL);
g_main_context_invoke(NULL, file_monitor_reload, session);
}
void g_object_set_threaded_gvalue(GObject* obj, const gchar* property, GValue* value, void(*freefunc)(void*)) {
struct gost_helper* help = malloc(sizeof(struct gost_helper));
help->obj = obj;
help->name = property;
help->value = value;
help->free = freefunc;
g_main_context_invoke(NULL, gostv_helper, help);
}
static gboolean
update_playbutton_callback (gboolean paused)
{
g_main_context_invoke (NULL, (GSourceFunc)do_set_playbutton, GINT_TO_POINTER(paused));
return FALSE;
}
void g_object_set_data_threaded(GObject* obj, const gchar* key, void* value, void(*freefunc)(void*)) {
struct gost_helper *help = malloc(sizeof(struct gost_helper));
help->obj = obj;
help->name = key;
help->value = value;
help->free = freefunc;
g_main_context_invoke(NULL, gosdt_helper, help);
}
void dt_control_signal_raise(const dt_control_signal_t *ctlsig, dt_signal_t signal, ...)
{
// ignore all signals on shutdown
if(!dt_control_running()) return;
dt_signal_description *signal_description = &_signal_description[signal];
_signal_param_t *params = (_signal_param_t *)malloc(sizeof(_signal_param_t));
if(!params) return;
GValue *instance_and_params = calloc(1 + signal_description->n_params, sizeof(GValue));
if(!instance_and_params)
{
free(params);
return;
}
// 0th element has to be the instance to call
g_value_init(instance_and_params, _signal_type);
g_value_set_object(instance_and_params, ctlsig->sink);
// the rest of instance_and_params will be the params for the callback
va_list extra_args;
va_start(extra_args, signal);
for(int i = 1; i <= signal_description->n_params; i++)
{
GType type = signal_description->param_types[i-1];
g_value_init(&instance_and_params[i], type);
switch(type)
{
case G_TYPE_UINT:
g_value_set_uint(&instance_and_params[i], va_arg(extra_args, guint));
break;
case G_TYPE_STRING:
g_value_set_string(&instance_and_params[i], va_arg(extra_args, const char *));
break;
case G_TYPE_POINTER:
g_value_set_pointer(&instance_and_params[i], va_arg(extra_args, void *));
break;
default:
fprintf(stderr, "error: unsupported parameter type `%s' for signal `%s'\n", g_type_name(type), signal_description->name);
va_end(extra_args);
for(int j = 0; j <= i; j++) g_value_unset(&instance_and_params[j]);
free(instance_and_params);
free(params);
return;
}
}
va_end(extra_args);
params->instance_and_params = instance_and_params;
params->signal_id = g_signal_lookup(_signal_description[signal].name, _signal_type);
params->n_params = signal_description->n_params;
g_main_context_invoke(NULL, _signal_raise, params);
}
static void _camctl_camera_control_status_callback(dt_camctl_status_t status, void *data)
{
dt_lib_module_t *self = (dt_lib_module_t *)data;
_control_status_params_t *params = (_control_status_params_t *)malloc(sizeof(_control_status_params_t));
if(!params) return;
params->status = status;
params->self = self;
g_main_context_invoke(NULL, _camctl_camera_control_status_callback_gui_thread, params);
}
/**
* autoar_common_g_signal_emit:
* @instance: the instance the signal is being emitted on.
* @in_thread: %TRUE if you are not call this function inside the main thread.
* @signal_id: the signal id
* @detail: the detail
* @...: parameters to be passed to the signal.
*
* This is a wrapper for g_signal_emit(). If @in_thread is %FALSE, this
* function is the same as g_signal_emit(). If @in_thread is %TRUE, the
* signal will be emitted from the main thread. This function will send
* the signal emission job via g_main_context_invoke(), but it does not
* wait for the signal emission job to be completed. Hence, the signal
* may emitted after autoar_common_g_signal_emit() is returned.
**/
G_GNUC_INTERNAL void
autoar_common_g_signal_emit (gpointer instance,
gboolean in_thread,
guint signal_id,
GQuark detail,
...)
{
va_list ap;
va_start (ap, detail);
if (in_thread) {
int i;
gchar *error;
GSignalQuery query;
AutoarCommonSignalData *data;
error = NULL;
data = g_new0 (AutoarCommonSignalData, 1);
data->signal_id = signal_id;
data->detail = detail;
data->used_values = 1;
g_value_init (data->instance_and_params, G_TYPE_FROM_INSTANCE (instance));
g_value_set_instance (data->instance_and_params, instance);
g_signal_query (signal_id, &query);
if (query.signal_id == 0) {
autoar_common_signal_data_free (data);
va_end (ap);
return;
}
for (i = 0; i < query.n_params; i++) {
G_VALUE_COLLECT_INIT (data->instance_and_params + i + 1,
query.param_types[i],
ap,
0,
&error);
if (error != NULL)
break;
data->used_values++;
}
if (error == NULL) {
g_main_context_invoke (NULL, autoar_common_g_signal_emit_main_context, data);
} else {
autoar_common_signal_data_free (data);
g_debug ("G_VALUE_COLLECT_INIT: Error: %s", error);
g_free (error);
va_end (ap);
return;
}
} else {
g_signal_emit_valist (instance, signal_id, detail, ap);
}
va_end (ap);
}
/* Set the given data on the tree model */
static void tst_set(char* w, gint* c, GValue* v, gint n) {
struct tree_store_data* dat = malloc(sizeof(struct tree_store_data));
dat->which = strdup(w);
dat->columns = c;
dat->values = v;
dat->n_values = n;
dat->free = tst_free_simple;
/* GTK+ does not like it when you modify UI elements from a background
* thread, so ensure it's called on the main thread instead */
g_main_context_invoke(NULL, tst_helper, dat);
}
static const gchar *
lookup_method_action_and_details (gpointer instance,
InvocationClient *client,
uid_t uid,
const GDBusMethodInfo *method,
PolkitDetails **details)
{
GObjectClass *object_class;
const gchar *message;
/* Exception: The Job interface is not marked up like all our others */
if (UDISKS_IS_JOB (instance) && g_str_equal (method->name, "Cancel"))
{
*details = polkit_details_new ();
polkit_details_insert (*details, "polkit.message",
N_("Authentication is required to cancel a job"));
/* This is a thread-safe call */
if (uid != udisks_job_get_started_by_uid (instance))
return "org.freedesktop.udisks2.cancel-job-other-user";
else
return "org.freedesktop.udisks2.cancel-job";
}
*details = NULL;
object_class = G_OBJECT_GET_CLASS (instance);
if (g_object_class_find_property (object_class, "polkit-details") != NULL)
{
ObjectGetDetails ogd = { instance, NULL };
g_main_context_invoke (NULL, object_get_polkit_details, &details);
g_mutex_lock (&inv.mutex);
while (ogd.details == NULL)
g_cond_wait (&inv.wait_cond, &inv.mutex);
g_mutex_unlock (&inv.mutex);
*details = ogd.details;
}
if (!*details || polkit_details_lookup (*details, "polkit.message"))
{
message = g_dbus_annotation_info_lookup (method->annotations, "polkit.message");
if (message)
{
if (!*details)
*details = polkit_details_new ();
polkit_details_insert (*details, "polkit.message", message);
}
}
return g_dbus_annotation_info_lookup (method->annotations, "polkit.action_id");
}
static gboolean
on_metadata_objects_to_scan_ready (gint fd,
GIOCondition condition,
gpointer user_data)
{
OtPullData *pull_data = user_data;
PullWorkerMessage *msg;
PullWorkerMessage *last_idle_msg = NULL;
GError *local_error = NULL;
GError **error = &local_error;
while (ot_waitable_queue_pop (pull_data->metadata_objects_to_scan, (gpointer*)&msg))
{
if (msg->t == PULL_MSG_SCAN)
{
if (!scan_one_metadata_object_v_name (pull_data, msg->d.item,
pull_data->cancellable, error))
goto out;
g_variant_unref (msg->d.item);
g_free (msg);
}
else if (msg->t == PULL_MSG_MAIN_IDLE)
{
g_free (last_idle_msg);
last_idle_msg = msg;
}
else if (msg->t == PULL_MSG_QUIT)
{
g_free (msg);
g_main_loop_quit (pull_data->metadata_thread_loop);
}
else
g_assert_not_reached ();
}
if (last_idle_msg)
ot_waitable_queue_push (pull_data->metadata_objects_to_fetch,
last_idle_msg);
/* When we have no queue to process, notify the main thread */
ot_waitable_queue_push (pull_data->metadata_objects_to_fetch,
pull_worker_message_new (PULL_MSG_SCAN_IDLE, GUINT_TO_POINTER (0)));
out:
if (local_error)
{
IdleThrowErrorData *throwdata = g_new0 (IdleThrowErrorData, 1);
throwdata->pull_data = pull_data;
throwdata->error = local_error;
g_main_context_invoke (NULL, idle_throw_error, throwdata);
}
return TRUE;
}
static void
gst_gl_window_default_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
{
GstGLWindowPrivate *priv = window->priv;
GstGLAsyncMessage *message = g_slice_new (GstGLAsyncMessage);
message->callback = callback;
message->data = data;
message->destroy = destroy;
g_main_context_invoke (priv->main_context, (GSourceFunc) _run_message_async,
message);
}
static void
start_job (GTask *task,
gpointer source_object,
gpointer task_data,
GCancellable *cancellable)
{
if (backup_op)
backup (bk_file, cancellable);
else if (restore_op)
restore (res_file, cancellable);
else if (check_op)
check (chk_file, NULL); /* not cancellable */
g_main_context_invoke (NULL, finish_job, NULL);
}
/* Update the status bar and the spinner with a new status message. */
static void uistatus(gboolean spin, char* data, ...) {
va_list ap, ac;
struct statusupdate* update = g_new0(struct statusupdate, 1);
if(data != NULL) {
va_start(ap, data);
va_copy(ac, ap);
update->text = g_strdup_vprintf(data, ac);
va_end(ac);
va_end(ap);
}
update->spin = spin;
/* Don't change UI elements from a background thread */
g_main_context_invoke(NULL, realstatus, update);
}
void
cb_file_monitor(GFileMonitor* monitor, GFile* file, GFile* UNUSED(other_file), GFileMonitorEvent event, girara_session_t* session)
{
g_return_if_fail(monitor != NULL);
g_return_if_fail(file != NULL);
g_return_if_fail(session != NULL);
switch (event) {
case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
case G_FILE_MONITOR_EVENT_CREATED:
g_main_context_invoke(NULL, file_monitor_reload, session);
break;
default:
return;
}
}
void
gtk_gst_widget_set_buffer (GtkGstWidget * widget, GstBuffer * buffer)
{
GMainContext *main_context = g_main_context_default ();
g_return_if_fail (GTK_IS_GST_WIDGET (widget));
g_return_if_fail (widget->priv->negotiated);
g_mutex_lock (&widget->priv->lock);
gst_buffer_replace (&widget->priv->buffer, buffer);
g_mutex_unlock (&widget->priv->lock);
g_main_context_invoke (main_context, (GSourceFunc) _queue_draw, widget);
}
static void
gst_gl_dummy_window_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
{
GstGLDummyWindow *dummy;
GstGLMessage *message;
dummy = (GstGLDummyWindow *) window;
message = g_slice_new (GstGLMessage);
message->callback = callback;
message->data = data;
message->destroy = destroy;
g_main_context_invoke (dummy->main_context, (GSourceFunc) _run_message,
message);
}
static void
gst_gl_window_android_egl_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
{
GstGLWindowAndroidEGL *window_egl;
GstGLMessage *message;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
message = g_slice_new (GstGLMessage);
message->callback = callback;
message->data = data;
message->destroy = destroy;
g_main_context_invoke (window_egl->main_context, (GSourceFunc) _run_message,
message);
}
gboolean
gtk_gst_widget_set_caps (GtkGstWidget * widget, GstCaps * caps)
{
GMainContext *main_context = g_main_context_default ();
GstVideoInfo v_info;
g_return_val_if_fail (GTK_IS_GST_WIDGET (widget), FALSE);
g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
if (widget->priv->caps && gst_caps_is_equal_fixed (widget->priv->caps, caps))
return TRUE;
if (!gst_video_info_from_caps (&v_info, caps))
return FALSE;
/* FIXME: support other formats */
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
g_return_val_if_fail (GST_VIDEO_INFO_FORMAT (&v_info) ==
GST_VIDEO_FORMAT_BGRA || GST_VIDEO_INFO_FORMAT (&v_info) ==
GST_VIDEO_FORMAT_BGRx, FALSE);
#else
g_return_val_if_fail (GST_VIDEO_INFO_FORMAT (&v_info) ==
GST_VIDEO_FORMAT_ARGB || GST_VIDEO_INFO_FORMAT (&v_info) ==
GST_VIDEO_FORMAT_xRGB, FALSE);
#endif
g_mutex_lock (&widget->priv->lock);
if (!_calculate_par (widget, &v_info)) {
g_mutex_unlock (&widget->priv->lock);
return FALSE;
}
gst_caps_replace (&widget->priv->caps, caps);
widget->priv->v_info = v_info;
widget->priv->negotiated = TRUE;
g_mutex_unlock (&widget->priv->lock);
gtk_widget_queue_resize (GTK_WIDGET (widget));
g_main_context_invoke (main_context, (GSourceFunc) _queue_resize, widget);
return TRUE;
}
void
g_vfs_afp_connection_send_command (GVfsAfpConnection *afp_connection,
GVfsAfpCommand *command,
char *reply_buf,
GAsyncReadyCallback callback,
GCancellable *cancellable,
gpointer user_data)
{
GVfsAfpConnectionPrivate *priv = afp_connection->priv;
GError *err = NULL;
RequestData *req_data;
if (!check_open (afp_connection, &err))
{
g_simple_async_report_take_gerror_in_idle (G_OBJECT(afp_connection), callback,
user_data, err);
return;
}
req_data = g_slice_new0 (RequestData);
req_data->type = REQUEST_TYPE_COMMAND;
req_data->command = g_object_ref (command);
req_data->reply_buf = reply_buf;
req_data->simple = g_simple_async_result_new (G_OBJECT (afp_connection), callback,
user_data,
g_vfs_afp_connection_send_command);
req_data->conn = afp_connection;
if (cancellable)
req_data->cancellable = g_object_ref (cancellable);
/* Take lock */
g_mutex_lock (&priv->mutex);
g_queue_push_tail (priv->request_queue, req_data);
if (!priv->send_loop_running)
{
g_main_context_invoke (priv->worker_context, start_send_loop_func,
afp_connection);
}
/* Release lock */
g_mutex_unlock (&priv->mutex);
}
/**
* Stop a session.
*
* The session is stopped immediately, with all acquisition sessions being
* stopped and hardware drivers cleaned up.
*
* If the session is run in a separate thread, this function will not block
* until the session is finished executing. It is the caller's responsibility
* to wait for the session thread to return before assuming that the session is
* completely decommissioned.
*
* @param session The session to use. Must not be NULL.
*
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
* @retval SR_ERR Other error.
*
* @since 0.4.0
*/
SR_API int sr_session_stop(struct sr_session *session)
{
if (!session) {
sr_err("%s: session was NULL", __func__);
return SR_ERR_ARG;
}
g_mutex_lock(&session->main_mutex);
if (session->main_context) {
g_main_context_invoke(session->main_context,
&session_stop_sync, session);
} else {
sr_err("No main context set; already stopped?");
}
g_mutex_unlock(&session->main_mutex);
return unset_main_context(session);
}
/* This function is used to run UI on the main thread in order to ask the user
* for an action during an operation. Since the operation cannot progress until
* an action is provided by the user, the current thread needs to be blocked.
* For this we wait on a condition on the shared data. We proceed further
* unblocking the thread when the condition is set in the UI thread.
*/
static void
invoke_main_context_sync (GMainContext *main_context,
GSourceFunc source_func,
gpointer user_data)
{
ContextInvokeData data;
/* Allow only one thread at a time to invoke the main context so we
* don't get race conditions which could lead to multiple dialogs being
* displayed at the same time
*/
G_LOCK (main_context_sync);
data.source_func = source_func;
data.user_data = user_data;
g_mutex_init (&data.mutex);
g_cond_init (&data.cond);
data.completed = FALSE;
g_mutex_lock (&data.mutex);
g_main_context_invoke (main_context,
invoke_main_context_source_func_wrapper,
&data);
while (!data.completed)
{
g_cond_wait (&data.cond, &data.mutex);
}
g_mutex_unlock (&data.mutex);
G_UNLOCK (main_context_sync);
g_mutex_clear (&data.mutex);
g_cond_clear (&data.cond);
}
/* run in a thread (SDL overlay)*/
void *main_loop(void *data)
{
struct ALL_DATA *all_data = (struct ALL_DATA *) data;
struct VidState *s = all_data->s;
struct paRecordData *pdata = all_data->pdata;
struct GLOBAL *global = all_data->global;
struct focusData *AFdata = all_data->AFdata;
struct vdIn *videoIn = all_data->videoIn;
struct particle* particles = NULL; //for the particles video effect
SDL_Event event;
/*the main SDL surface*/
SDL_Surface *pscreen = NULL;
SDL_Overlay *overlay = NULL;
SDL_Rect drect;
int width = global->width;
int height = global->height;
int format = global->format;
SAMPLE vuPeak[2]; // The maximum vuLevel seen recently
int vuPeakFreeze[2]; // The vuPeak values will be frozen for this many frames.
vuPeak[0] = vuPeak[1] = 0;
vuPeakFreeze[0] = vuPeakFreeze[1] = 0;
BYTE *p = NULL;
Control *focus_control = NULL;
int last_focus = 0;
if (global->AFcontrol)
{
focus_control = get_ctrl_by_id(s->control_list, AFdata->id);
get_ctrl(videoIn->fd, s->control_list, AFdata->id, all_data);
last_focus = focus_control->value;
/*make sure we wait for focus to settle on first check*/
if (last_focus < 0) last_focus = AFdata->f_max;
}
gboolean capVid = FALSE;
gboolean signalquit = FALSE;
/*------------------------------ SDL init video ---------------------*/
if(!global->no_display)
{
overlay = video_init(data, &(pscreen));
if(overlay == NULL)
{
g_print("FATAL: Couldn't create yuv overlay - please disable hardware accelaration\n");
signalquit = TRUE; /*exit video thread*/
}
else
{
p = (unsigned char *) overlay->pixels[0];
drect.x = 0;
drect.y = 0;
drect.w = pscreen->w;
drect.h = pscreen->h;
}
}
while (!signalquit)
{
__LOCK_MUTEX(__VMUTEX);
capVid = videoIn->capVid;
signalquit = videoIn->signalquit;
__UNLOCK_MUTEX(__VMUTEX);
/*-------------------------- Grab Frame ----------------------------------*/
if (uvcGrab(videoIn, format, width, height, &global->fps, &global->fps_num) < 0)
{
g_printerr("Error grabbing image \n");
continue;
}
else
{
if(!videoIn->timestamp)
{
global->skip_n++; //skip this frame
}
if(capVid)
{
if(global->framecount < 1)
{
/*reset video start time to first frame capture time */
global->Vidstarttime = videoIn->timestamp;
/** set current time for audio ts(0) reference (MONOTONIC)
* only used if we have no audio capture before video
*/
__LOCK_MUTEX(__AMUTEX);
pdata->ts_ref = ns_time_monotonic();
__UNLOCK_MUTEX(__AMUTEX);
//printf("video ts ref: %llu audio ts_ ref: %llu\n",global->Vidstarttime, pdata->ts_ref);
global->v_ts = 0;
}
else
{
global->v_ts = videoIn->timestamp - global->Vidstarttime;
/*always use the last frame time stamp for video stop time*/
global->Vidstoptime = videoIn->timestamp;
}
}
if (global->FpsCount && !global->no_display)
{/* sets fps count in window title bar */
global->frmCount++;
if (global->DispFps>0)
{ /*set every 2 sec*/
g_snprintf(global->WVcaption,24,"GUVCVideo - %3.2f fps",global->DispFps);
SDL_WM_SetCaption(global->WVcaption, NULL);
global->frmCount=0;/*resets*/
global->DispFps=0;
}
}
/*---------------- autofocus control ------------------*/
if (global->AFcontrol && (global->autofocus || AFdata->setFocus))
{ /*AFdata = NULL if no focus control*/
if (AFdata->focus < 0)
{
/*starting autofocus*/
AFdata->focus = AFdata->left; /*start left*/
focus_control->value = AFdata->focus;
if (set_ctrl (videoIn->fd, s->control_list, AFdata->id) != 0)
g_printerr("ERROR: couldn't set focus to %d\n", AFdata->focus);
/*number of frames until focus is stable*/
/*1.4 ms focus time - every 1 step*/
AFdata->focus_wait = (int) abs(AFdata->focus-last_focus)*1.4/(1000/global->fps)+1;
last_focus = AFdata->focus;
}
else
{
if (AFdata->focus_wait == 0)
{
AFdata->sharpness=getSharpness (videoIn->framebuffer, width, height, 5);
if (global->debug)
g_print("sharp=%d focus_sharp=%d foc=%d right=%d left=%d ind=%d flag=%d\n",
AFdata->sharpness,AFdata->focus_sharpness,
AFdata->focus, AFdata->right, AFdata->left,
AFdata->ind, AFdata->flag);
AFdata->focus=getFocusVal (AFdata);
if ((AFdata->focus != last_focus))
{
focus_control->value = AFdata->focus;
if (set_ctrl (videoIn->fd, s->control_list, AFdata->id) != 0)
g_printerr("ERROR: couldn't set focus to %d\n",
AFdata->focus);
/*number of frames until focus is stable*/
/*1.4 ms focus time - every 1 step*/
AFdata->focus_wait = (int) abs(AFdata->focus-last_focus)*1.4/(1000/global->fps)+1;
}
last_focus = AFdata->focus;
}
else
{
AFdata->focus_wait--;
if (global->debug) g_print("Wait Frame: %d\n",AFdata->focus_wait);
}
}
}
}
/*------------------------- Filter Frame ---------------------------------*/
__LOCK_MUTEX(__GMUTEX);
if(global->Frame_Flags>0)
{
if((global->Frame_Flags & YUV_PARTICLES)==YUV_PARTICLES)
particles = particles_effect(videoIn->framebuffer, width, height, 20, 4, particles);
if((global->Frame_Flags & YUV_MIRROR)==YUV_MIRROR)
yuyv_mirror(videoIn->framebuffer, width, height);
if((global->Frame_Flags & YUV_UPTURN)==YUV_UPTURN)
yuyv_upturn(videoIn->framebuffer, width, height);
if((global->Frame_Flags & YUV_NEGATE)==YUV_NEGATE)
yuyv_negative (videoIn->framebuffer, width, height);
if((global->Frame_Flags & YUV_MONOCR)==YUV_MONOCR)
yuyv_monochrome (videoIn->framebuffer, width, height);
if((global->Frame_Flags & YUV_PIECES)==YUV_PIECES)
pieces (videoIn->framebuffer, width, height, 16 );
}
__UNLOCK_MUTEX(__GMUTEX);
/*-------------------------capture Image----------------------------------*/
if (videoIn->capImage)
{
/*
* format and resolution can change(enabled) while capturing the frame
* but you would need to be speedy gonzalez to press two buttons
* at almost the same time :D
*/
int ret = 0;
if((ret=store_picture(all_data)) < 0)
g_printerr("saved image to:%s ...Failed \n",videoIn->ImageFName);
else if (!ret && global->debug) g_print("saved image to:%s ...OK \n",videoIn->ImageFName);
videoIn->capImage=FALSE;
}
/*---------------------------capture Video---------------------------------*/
if (capVid && !(global->skip_n))
{
__LOCK_MUTEX(__VMUTEX);
if(videoIn->VidCapStop) videoIn->VidCapStop = FALSE;
__UNLOCK_MUTEX(__VMUTEX);
int res=0;
/* format and resolution don't change(disabled) while capturing video
* store_video_frame may sleep if needed to avoid buffer overrun
*/
if((res=store_video_frame(all_data))<0) g_printerr("WARNING: droped frame (%i)\n",res);
} /*video and audio capture have stopped */
else
{
__LOCK_MUTEX(__VMUTEX);
if(!(videoIn->VidCapStop)) videoIn->VidCapStop=TRUE;
__UNLOCK_MUTEX(__VMUTEX);
}
/* decrease skip frame count */
if (global->skip_n > 0)
{
if (global->debug && capVid) g_print("skiping frame %d...\n", global->skip_n);
global->skip_n--;
}
__LOCK_MUTEX( __AMUTEX );
if (global->Sound_enable && capVid) pdata->skip_n = global->skip_n;
__UNLOCK_MUTEX( __AMUTEX );
/*------------------------- Display Frame --------------------------------*/
if(!global->no_display)
{
if (global->osdFlags && pdata->audio_buff[0])
{
draw_vu_meter(width, height, vuPeak, vuPeakFreeze, data);
}
SDL_LockYUVOverlay(overlay);
memcpy(p, videoIn->framebuffer, width * height * 2);
SDL_UnlockYUVOverlay(overlay);
SDL_DisplayYUVOverlay(overlay, &drect);
/*------------------------- Read Key events ------------------------------*/
/* Poll for events */
while( SDL_PollEvent(&event) )
{
//printf("event type:%i event key:%i\n", event.type, event.key.keysym.scancode);
if(event.type==SDL_KEYDOWN)
{
if (videoIn->PanTilt)
{
switch( event.key.keysym.sym )
{
/* Keyboard event */
/* Pass the event data onto PrintKeyInfo() */
case SDLK_DOWN:
/*Tilt Down*/
uvcPanTilt (videoIn->fd, s->control_list, 0, 1);
break;
case SDLK_UP:
/*Tilt UP*/
uvcPanTilt (videoIn->fd, s->control_list, 0, -1);
break;
case SDLK_LEFT:
/*Pan Left*/
uvcPanTilt (videoIn->fd, s->control_list, 1, 1);
break;
case SDLK_RIGHT:
/*Pan Right*/
uvcPanTilt (videoIn->fd, s->control_list, 1, -1);
break;
default:
break;
}
}
switch( event.key.keysym.scancode )
{
case 220: /*webcam button*/
//gdk_threads_enter();
if (all_data->global->default_action == 0)
g_main_context_invoke(NULL, image_capture_callback, (gpointer) all_data);
else
g_main_context_invoke(NULL, video_capture_callback, (gpointer) all_data);
break;
}
switch( event.key.keysym.sym )
{
case SDLK_q:
//shutDown
g_timeout_add(200, shutd_timer, all_data);
g_print("q pressed - Quiting...\n");
break;
case SDLK_SPACE:
{
if(global->AFcontrol > 0)
setfocus_clicked(NULL, all_data);
}
break;
case SDLK_i:
g_main_context_invoke(NULL, image_capture_callback, (gpointer) all_data);
break;
case SDLK_v:
g_main_context_invoke(NULL, video_capture_callback, (gpointer) all_data);
break;
default:
break;
}
}
if(event.type==SDL_VIDEORESIZE)
{
pscreen =
SDL_SetVideoMode(event.resize.w,
event.resize.h,
global->bpp,
SDL_VIDEO_Flags);
drect.w = event.resize.w;
drect.h = event.resize.h;
}
if(event.type==SDL_QUIT)
{
//shutDown
g_timeout_add(200, shutd_timer, all_data);
}
}
}
/* if set make the thread sleep - default no sleep (full throttle)*/
if(global->vid_sleep) sleep_ms(global->vid_sleep);
/*------------------------------------------*/
/* restart video (new resolution/format) */
/*------------------------------------------*/
if (global->change_res)
{
g_print("setting new resolution (%d x %d)\n", global->width, global->height);
/*clean up */
if(particles) g_free(particles);
particles = NULL;
if (global->debug) g_print("cleaning buffer allocations\n");
fflush(NULL);//flush all output buffers
if(!global->no_display)
{
SDL_FreeYUVOverlay(overlay);
overlay = NULL;
}
/*init device*/
restart_v4l2(videoIn, global);
/*set new resolution for video thread*/
width = global->width;
height = global->height;
format = global->format;
/* restart SDL with new values*/
if(!global->no_display)
{
overlay = video_init(data, &(pscreen));
if(overlay == NULL)
{
g_print("FATAL: Couldn't create yuv overlay - please disable hardware accelaration\n");
signalquit = TRUE; /*exit video thread*/
}
else
{
if (global->debug) g_print("yuv overlay created (%ix%i).\n", overlay->w, overlay->h);
p = (unsigned char *) overlay->pixels[0];
drect.x = 0;
drect.y = 0;
drect.w = pscreen->w;
drect.h = pscreen->h;
global->change_res = FALSE;
}
}
else global->change_res = FALSE;
}
}/*loop end*/
__LOCK_MUTEX(__VMUTEX);
capVid = videoIn->capVid;
__UNLOCK_MUTEX(__VMUTEX);
/*check if thread exited while in Video capture mode*/
if (capVid)
{
/*stop capture*/
if (global->debug) g_print("stoping Video capture\n");
//global->Vidstoptime = ns_time_monotonic(); /*this is set in IO thread*/
videoIn->VidCapStop=TRUE;
capVid = FALSE;
__LOCK_MUTEX(__VMUTEX);
videoIn->capVid = capVid;
__UNLOCK_MUTEX(__VMUTEX);
__LOCK_MUTEX(__AMUTEX);
pdata->capVid = capVid;
__UNLOCK_MUTEX(__AMUTEX);
/*join IO thread*/
if (global->debug) g_print("Shuting Down IO Thread\n");
__THREAD_JOIN( all_data->IO_thread );
if (global->debug) g_print("IO Thread finished\n");
}
if (global->debug) g_print("Thread terminated...\n");
p = NULL;
if(particles) g_free(particles);
particles=NULL;
if (global->debug) g_print("cleaning Thread allocations: 100%%\n");
fflush(NULL);//flush all output buffers
if(!global->no_display)
{
if(overlay)
SDL_FreeYUVOverlay(overlay);
//SDL_FreeSurface(pscreen);
SDL_Quit();
}
if (global->debug) g_print("Video thread completed\n");
global = NULL;
AFdata = NULL;
videoIn = NULL;
return ((void *) 0);
}
void dt_control_queue_redraw_widget(GtkWidget *widget)
{
if(dt_control_running())
g_main_context_invoke(NULL, _gtk_widget_queue_draw, widget);
}
static gpointer
filechooser_win32_thread (gpointer _data)
{
FilechooserWin32ThreadData *data = _data;
HRESULT hr;
IFileDialog *pfd = NULL;
IFileDialog2 *pfd2 = NULL;
DWORD flags;
DWORD cookie;
GSList *l;
CoInitializeEx (NULL, COINIT_APARTMENTTHREADED);
if (data->save && !data->folder)
hr = CoCreateInstance (&CLSID_FileSaveDialog,
NULL, CLSCTX_INPROC_SERVER,
&IID_IFileSaveDialog, (LPVOID *) &pfd);
else
hr = CoCreateInstance (&CLSID_FileOpenDialog,
NULL, CLSCTX_INPROC_SERVER,
&IID_IFileOpenDialog, (LPVOID *) &pfd);
if (FAILED (hr))
g_error ("Can't create FileOpenDialog: %s", g_win32_error_message (hr));
hr = IFileDialog_GetOptions (pfd, &flags);
if (FAILED (hr))
g_error ("Can't get FileDialog options: %s", g_win32_error_message (hr));
flags |= FOS_FORCEFILESYSTEM;
if (data->folder)
flags |= FOS_PICKFOLDERS;
if (data->folder && data->save)
flags &= ~(FOS_FILEMUSTEXIST);
if (data->select_multiple)
flags |= FOS_ALLOWMULTISELECT;
if (data->show_hidden)
flags |= FOS_FORCESHOWHIDDEN;
if (data->overwrite_confirmation)
flags |= FOS_OVERWRITEPROMPT;
else
flags &= ~(FOS_OVERWRITEPROMPT);
hr = IFileDialog_SetOptions (pfd, flags);
if (FAILED (hr))
g_error ("Can't set FileDialog options: %s", g_win32_error_message (hr));
if (data->title)
{
gunichar2 *label = g_utf8_to_utf16 (data->title, -1,
NULL, NULL, NULL);
IFileDialog_SetTitle (pfd, label);
g_free (label);
}
if (data->accept_label)
{
gunichar2 *label = g_utf8_to_utf16 (data->accept_label, -1,
NULL, NULL, NULL);
IFileDialog_SetOkButtonLabel (pfd, label);
g_free (label);
}
if (data->cancel_label)
{
gunichar2 *label = g_utf8_to_utf16 (data->cancel_label, -1,
NULL, NULL, NULL);
hr = IFileDialog_QueryInterface (pfd, &IID_IFileDialog2, (LPVOID *) &pfd2);
if (SUCCEEDED (hr))
{
IFileDialog2_SetCancelButtonLabel (pfd2, label);
IFileDialog2_Release (pfd2);
}
g_free (label);
}
for (l = data->shortcut_uris; l != NULL; l = l->next)
{
IShellItem *item = get_shell_item_for_uri (l->data);
if (item)
{
hr = IFileDialog_AddPlace (pfd, item, FDAP_BOTTOM);
if (FAILED (hr))
g_warning_hr ("Can't add dialog shortcut", hr);
IShellItem_Release (item);
}
}
if (data->current_file)
{
IFileSaveDialog *pfsd;
hr = IFileDialog_QueryInterface (pfd, &IID_IFileSaveDialog, (LPVOID *) &pfsd);
if (SUCCEEDED (hr))
{
IShellItem *item = get_shell_item_for_file (data->current_file);
if (item)
{
hr = IFileSaveDialog_SetSaveAsItem (pfsd, item);
if (FAILED (hr))
g_warning_hr ("Can't set save as item", hr);
IShellItem_Release (item);
}
IFileSaveDialog_Release (pfsd);
}
}
if (data->current_folder)
{
IShellItem *item = get_shell_item_for_file (data->current_folder);
if (item)
{
hr = IFileDialog_SetFolder (pfd, item);
if (FAILED (hr))
g_warning_hr ("Can't set folder", hr);
IShellItem_Release (item);
}
}
if (data->current_name)
{
gunichar2 *name = g_utf8_to_utf16 (data->current_name, -1, NULL, NULL, NULL);
hr = IFileDialog_SetFileName (pfd, name);
if (FAILED (hr))
g_warning_hr ("Can't set file name", hr);
g_free (name);
}
if (data->filters)
{
int n;
for (n = 0; data->filters[n].pszName != NULL; n++)
{}
hr = IFileDialog_SetFileTypes (pfd, n, data->filters);
if (FAILED (hr))
g_warning_hr ("Can't set file types", hr);
if (data->self->current_filter)
{
GSList *filters = gtk_file_chooser_list_filters (GTK_FILE_CHOOSER (data->self));
gint current_filter_index = g_slist_index (filters, data->self->current_filter);
g_slist_free (filters);
if (current_filter_index >= 0)
hr = IFileDialog_SetFileTypeIndex (pfd, current_filter_index + 1);
else
hr = IFileDialog_SetFileTypeIndex (pfd, 1);
}
else
{
hr = IFileDialog_SetFileTypeIndex (pfd, 1);
}
if (FAILED (hr))
g_warning_hr ("Can't set current file type", hr);
}
data->response = GTK_RESPONSE_CANCEL;
hr = IFileDialog_Advise (pfd, data->events, &cookie);
if (FAILED (hr))
g_error ("Can't Advise FileDialog: %s", g_win32_error_message (hr));
hr = IFileDialog_Show (pfd, data->parent);
if (SUCCEEDED (hr))
{
IFileOpenDialog *pfod = NULL;
hr = IFileDialog_QueryInterface (pfd,&IID_IFileOpenDialog, (LPVOID *) &pfod);
if (SUCCEEDED (hr))
{
IShellItemArray *res;
DWORD i, count;
hr = IFileOpenDialog_GetResults (pfod, &res);
if (FAILED (hr))
g_error ("Can't get FileOpenDialog results: %s", g_win32_error_message (hr));
hr = IShellItemArray_GetCount (res, &count);
if (FAILED (hr))
g_error ("Can't get FileOpenDialog count: %s", g_win32_error_message (hr));
for (i = 0; i < count; i++)
{
IShellItem *item;
hr = IShellItemArray_GetItemAt (res, i, &item);
if (FAILED (hr))
g_error ("Can't get item at %lu: %s", i, g_win32_error_message (hr));
data_add_shell_item (data, item);
IShellItem_Release (item);
}
IShellItemArray_Release (res);
IFileOpenDialog_Release (pfod);
}
else
{
IShellItem *item;
hr = IFileDialog_GetResult (pfd, &item);
if (FAILED (hr))
g_error ("Can't get FileDialog result: %s", g_win32_error_message (hr));
data_add_shell_item (data, item);
IShellItem_Release (item);
}
}
hr = IFileDialog_Unadvise (pfd, cookie);
if (FAILED (hr))
g_error ("Can't Unadvise FileDialog: %s", g_win32_error_message (hr));
IFileDialog_Release ((IUnknown *)pfd);
g_main_context_invoke (NULL,
filechooser_win32_thread_done,
data);
return NULL;
}
