static void timeout_toggled(DBusTimeout *timeout, void *data)
{
if (dbus_timeout_get_enabled(timeout))
add_timeout(timeout, data);
else
remove_timeout(timeout, data);
}
/*!
* \brief Insert a new entry on the hashtable
* \param callid Call-ID string
*/
static void insert(str callid)
{
unsigned int index = hash(callid.s, callid.len) & HASHTABLEMASK;
struct ring_record_t* rr;
remove_timeout(index);
rr = shm_malloc(sizeof(struct ring_record_t));
assert(rr);
rr->next = NULL;
rr->time = get_ticks();
strncpy(rr->callid, callid.s, MIN(callid.len, MAXCALLIDLEN));
rr->callid[MIN(callid.len, MAXCALLIDLEN)] = 0;
if ((*hashtable)[index].tail) {
(*hashtable)[index].tail->next = rr;
(*hashtable)[index].tail = rr;
}
else {
(*hashtable)[index].head = rr;
(*hashtable)[index].tail = rr;
}
LM_DBG("inserting at %d %.*s ticks=%d\n", index, callid.len, callid.s, rr->time);
}
/*! \brief Mailbox flush function
*
* Flush a mailbox and unblock all pending tasks that were waiting for free message containers. \e SYS_ERROR
* is passed to the task.
* \param ph handle to mailbox
*/
void MBX_Flush(HANDLE *ph) {
tcb_t *ptcb;
mcb_t *pmcb;
msg_t *pmsg_entry;
size_t flags;
pmcb = (mcb_t*) ph;
flags = INT_Disable();
/* Empty all containers in the FullList. If there is a task waiting for an empty container give the dequeued
* container to it. If not put the container in the free list.
*/
while( (pmsg_entry = (msg_t*) dequeue_top_object( (queue_t*) &pmcb->full_list)) ) {
if( (ptcb = (tcb_t*) dequeue_top_object( (queue_t*) &pmcb->fullq)) ) {
ptcb->flags = TSK_READY;
ptcb->event = SYS_ERROR;
ptcb->pmsg_entry = pmsg_entry;
remove_timeout( &ptcb->tic );
priority_enqueue_tsk( ptcb );
}
else
enqueue_bottom_object( (queue_t*) &pmcb->free_list, (dll_t*) pmsg_entry );
}
INT_Restore( flags );
}
/*! \brief Mailbox post function
*
* A mailbox can be post from an interrupt ISR or from a task. When posted from a task a timeout value can be
* specified. \n
* If a mailbox has a empty message container the message is stored in the mailbox and the system call returns
* with SYS_OK. When there is no empty message containers the task is pending and SYS_ERROR is returned. If the caller
* specifed a timeout value a timer is started and the task is delayed from execution. After the timeout expires
* (no task freed a message container) the task is unblocked and \e SYS_MBX_TOUT is passed to the task's entry
* parameter. If a task freed a message container the \e SYS_MBX value is passed to the task.
* \param ph handle to mailbox
* \param pmsg pointer caller to message
* \param tout timeout value
* \retval SYS_OK if there was a free message container
* \retval SYS_ERR if all message containers are full
*/
STATUS MBX_Post(HANDLE *ph, void *pmsg, uint16 tout) {
tcb_t *ptcb;
mcb_t *pmcb;
msg_t *pmsg_entry;
size_t flags;
ptcb = get_curr_tsk();
pmcb = (mcb_t*) ph;
flags = INT_Disable();
/* Check if the task was given an entry by the MBX_Pend function. If it was take this entry and not the one
* in the free_list. This is needed beacause a MBX_Pend caused a free container in the free_list. As soon this container
* become avaible we must give it to the first waiting task. Otherwise we could dequeue a task, make it runable, but an other task
* could take its container. So this would be an invalid situation.
*/
if( !ptcb->pmsg_entry ) {
/* Wait for a message entry to become free*/
if( !(pmsg_entry = (msg_t*) dequeue_top_object( (queue_t*) &pmcb->free_list)) ) {
if( tout == NO_WAIT ) {
INT_Restore( flags );
return SYS_ERROR;
}
ptcb->pqueue = (queue_t*) &pmcb->fullq;
ptcb->flags = TSK_MBX_PEND;
enqueue_top_object(&pmcb->fullq, (dll_t*) ptcb);
append_timeout(ptcb, &mbx_tout_clb, tout);
INT_Restore( flags );
return SYS_ERROR;
}
}
else {
/* If the task was given an msg entry operate on that entry. */
pmsg_entry = ptcb->pmsg_entry;
ptcb->pmsg_entry = 0;
}
/* Copy the message data into the container */
memcpy( pmsg_entry->pdata, pmsg, pmcb->len);
/* Move the message container to the full list. */
enqueue_bottom_object( &pmcb->full_list, (dll_t*) pmsg_entry );
/* Check if there was a task waiting for a message. If it was remove its timeout timer.*/
if( (ptcb = (tcb_t*) dequeue_top_object( (queue_t*) &pmcb->emptyq)) ) {
ptcb->flags = TSK_READY;
ptcb->event = SYS_MBX;
priority_enqueue_tsk( ptcb );
remove_timeout( &ptcb->tic );
}
INT_Restore( flags );
return SYS_OK;
}
static void
timeout_toggled (DBusTimeout *timeout,
void *data)
{
/* Because we just exit on OOM, enable/disable is
* no different from add/remove
*/
if (dbus_timeout_get_enabled (timeout))
add_timeout (timeout, data);
else
remove_timeout (timeout, data);
}
/*!
* \brief Helper functions that checks if the hash table contains the callid
* \param callid Call-ID that is searched
* \return 1 when callid could be found, 0 when not found
*/
static int contains(str callid)
{
unsigned int index = hash(callid.s, callid.len) & HASHTABLEMASK;
struct ring_record_t* rr;
remove_timeout(index);
rr = (*hashtable)[index].head;
while (rr) {
if (strncmp(rr->callid, callid.s, callid.len) == 0) return 1;
rr = rr->next;
}
return 0;
}
static void remove_timeout(DBusTimeout *t, void *data)
{
printf(" TIMEOUT: remove timeout %p\n", t);
watched_timeout = NULL;
struct timeval tv = { .tv_sec = 0, .tv_usec = 0, };
watched_timeout_start_tv = tv;
watched_timeout_setv = 0;
watched_timeout_lastv = 0;
}
static void toggle_timeout(DBusTimeout *t, void *data)
{
printf(" TIMEOUT: toggle timeout %p\n", t);
if (dbus_timeout_get_enabled(t))
add_timeout(t, data);
else
remove_timeout(t, data);
}
/*! \brief Mailbox pend function
*
* Only tasks can pend on mailboxes. If a mailbox is not empty the message is returned to the caller and the system call
* returns with SYS_OK. When there is no message the task is pending and SYS_ERROR is returned. If the caller
* specifed a timeout value a timer is started and the task is delayed from execution. After the timeout expires
* (no task or interrupt posted a message) the task is unblocked and \e SYS_MBX_TOUT is passed to the task's entry
* parameter. If somebody posted a message the timer is removed and the \e SYS_MBX values is passed to the task.
* \param ph handle to mailbox
* \param pmsg pointer caller where the message will be copied
* \param tout timeout value
* \retval SYS_OK if there was a message in mailbox
* \retval SYS_ERR if there was no messages in mailbox
* \attention MBX_pend can not be called from an ISR.
*/
STATUS MBX_Pend(HANDLE *ph, void *pmsg, uint16 tout) {
tcb_t *ptcb;
mcb_t *pmcb;
msg_t *pmsg_entry;
size_t flags;
ptcb = get_curr_tsk();
pmcb = (mcb_t*) ph;
flags = INT_Disable();
/* Check if there is a message already in the mailbox */
if( !(pmsg_entry = (msg_t*) dequeue_top_object( (queue_t*) &pmcb->full_list)) ) {
if( tout == NO_WAIT ) {
INT_Restore( flags );
return SYS_ERROR;
}
ptcb->pqueue = (queue_t*) &pmcb->emptyq;
ptcb->flags = TSK_MBX_PEND;
enqueue_top_object(&pmcb->emptyq, (dll_t*) ptcb);
append_timeout(ptcb, &mbx_tout_clb, tout);
INT_Restore( flags );
return SYS_ERROR;
}
/* Copy message to task */
memcpy( pmsg, pmsg_entry->pdata, pmcb->len );
/* Check if there was a task waiting for an empty entry in the mailbox */
if( (ptcb = (tcb_t*) dequeue_top_object( (queue_t*) &pmcb->fullq)) ) {
ptcb->flags = TSK_READY;
ptcb->event = SYS_MBX;
ptcb->pmsg_entry = pmsg_entry;
priority_enqueue_tsk( ptcb );
remove_timeout( &ptcb->tic );
}
else {
enqueue_bottom_object( (queue_t*) &pmcb->free_list, (dll_t*) pmsg_entry );
}
INT_Restore( flags );
return SYS_OK;
}
void
stop (void)
{
MafwRenderer *renderer;
MafwPlayState state;
renderer = get_selected_renderer();
if (renderer == NULL)
return;
state = get_selected_renderer_state ();
if (state != Stopped) {
remove_timeout();
mafw_renderer_stop(renderer, play_error_cb, NULL);
} else {
g_warning ("Tried to Stop when renderer state "
"is already Stopped. Skipped.");
}
}
void
prepare_controls_for_state (MafwPlayState state)
{
gboolean play_possible;
gboolean pause_possible;
gboolean stop_possible;
switch (state) {
case Stopped:
/* Disable the seekbar when the state is stopped */
gtk_widget_set_sensitive(position_hscale, FALSE);
play_possible = TRUE;
pause_possible = FALSE;
stop_possible = TRUE;
in_state_stopped = TRUE;
remove_timeout ();
g_signal_handlers_block_by_func (G_OBJECT(position_hscale),
on_position_hscale_value_changed, NULL);
gtk_range_set_value (GTK_RANGE (position_hscale), 0.0);
gtk_label_set_text(GTK_LABEL(position_label), "00:00");
g_signal_handlers_unblock_by_func(G_OBJECT(position_hscale),
on_position_hscale_value_changed, NULL);
break;
case Paused:
play_possible = TRUE;
pause_possible = FALSE;
stop_possible = TRUE;
in_state_stopped = FALSE;
remove_timeout ();
update_position (NULL);
break;
case Playing:
play_possible = FALSE;
pause_possible = TRUE;
stop_possible = TRUE;
in_state_stopped = FALSE;
/* Start tracking media position in playing state */
add_timeout ();
break;
case Transitioning:
play_possible = FALSE;
pause_possible = FALSE;
stop_possible = TRUE;
in_state_stopped = FALSE;
remove_timeout ();
break;
default:
play_possible = TRUE;
pause_possible = FALSE;
stop_possible = TRUE;
in_state_stopped = FALSE;
remove_timeout ();
break;
}
if (!stop_possible) {
g_signal_handlers_block_by_func
(position_hscale,
on_position_hscale_value_changed,
NULL);
gtk_range_set_value (GTK_RANGE (position_hscale), 0.0);
gtk_label_set_text(GTK_LABEL(position_label), "00:00");
g_signal_handlers_unblock_by_func
(position_hscale,
on_position_hscale_value_changed,
NULL);
}
if (play_possible == TRUE) {
GtkWidget *image;
image = gtk_image_new_from_icon_name("camera_playback",
HILDON_ICON_SIZE_SMALL);
gtk_button_set_image(GTK_BUTTON(play_button), image);
}
if (pause_possible == TRUE) {
GtkWidget *image;
image = gtk_image_new_from_icon_name("camera_video_pause",
HILDON_ICON_SIZE_SMALL);
gtk_button_set_image(GTK_BUTTON(play_button), image);
}
if (play_possible == FALSE && pause_possible == FALSE) {
gtk_widget_set_sensitive (play_button, FALSE);
} else {
gtk_widget_set_sensitive (play_button, TRUE);
}
gtk_widget_set_sensitive (stop_button, stop_possible);
}