OMX_ERRORTYPE HantroOmx_msgque_get_size(OMX_IN msgque* q, OMX_OUT OMX_U32* size)
{
assert(q);
assert(size);
OMX_ERRORTYPE err = OMX_ErrorNone;
err = OSAL_MutexLock(q->mutex);
if (err != OMX_ErrorNone)
return err;
*size = q->size;
err = OSAL_MutexUnlock(q->mutex);
assert(err == OMX_ErrorNone);
return OMX_ErrorNone;
}
void * Img_EnsQueue::Pop()
{
void * Elem;
OSAL_MutexLock(mutex);
if(head == tail)
{
Elem = NULL;
}
else
{
Elem = queue[tail];
tail = INCREMENT(tail, size);
}
OSAL_MutexUnlock(mutex);
return Elem;
}
int Img_EnsQueue::Push(void * elem)
{
int result = 0;
OSAL_MutexLock(mutex);
if(INCREMENT(head, size) == tail)
{ // queue full !!!!
result = 1;
}
else
{
queue[head] = elem;
head = INCREMENT(head, size);
}
OSAL_MutexUnlock(mutex);
return result;
}
OMX_ERRORTYPE HantroOmx_msgque_push_back(OMX_IN msgque* q, OMX_IN OMX_PTR ptr)
{
assert(q);
assert(ptr);
msg_node* tail = (msg_node*)OSAL_Malloc(sizeof(msg_node));
if(!tail)
return OMX_ErrorInsufficientResources;
tail->next = q->tail;
tail->prev = 0;
tail->data = ptr;
// get mutex now
OMX_ERRORTYPE err = OMX_ErrorNone;
err = OSAL_MutexLock(q->mutex);
if (err != OMX_ErrorNone)
{
OSAL_Free(tail);
return err;
}
// first set the signal if needed and once that is allright
// only then change the queue, cause that cant fail
if (q->size == 0)
{
err = OSAL_EventSet(q->event);
if (err != OMX_ErrorNone)
{
OSAL_MutexUnlock(q->mutex);
return err;
}
}
q->size += 1;
if (q->tail)
q->tail->prev = tail;
q->tail = tail;
if (!q->head)
q->head = q->tail;
err = OSAL_MutexUnlock(q->mutex);
assert(err == OMX_ErrorNone);
return OMX_ErrorNone;
}
OMX_ERRORTYPE HantroOmx_msgque_get_front(OMX_IN msgque* q, OMX_OUT OMX_PTR* ptr)
{
assert(q);
assert(ptr);
// get mutex now
OMX_ERRORTYPE err = OMX_ErrorNone;
err = OSAL_MutexLock(q->mutex);
if (err != OMX_ErrorNone)
return err;
if (q->size - 1 == 0)
{
// reset the signal to not set
err = OSAL_EventReset(q->event);
if (err != OMX_ErrorNone)
{
OSAL_MutexUnlock(q->mutex);
return err;
}
}
if (q->size == 0)
{
assert(q->head == 0);
assert(q->tail == 0);
*ptr = 0;
}
else
{
msg_node* head = q->head;
assert(head->next == 0);
*ptr = head->data;
q->head = head->prev;
q->size -= 1;
if (q->head)
q->head->next = 0;
else
q->tail = 0;
OSAL_Free(head);
}
err = OSAL_MutexUnlock(q->mutex); assert(err == OMX_ErrorNone);
return OMX_ErrorNone;
}
void HantroOmx_msgque_destroy(OMX_IN msgque* q)
{
assert(q);
OMX_ERRORTYPE err = OMX_ErrorNone;
err = OSAL_MutexLock(q->mutex);
assert(err == OMX_ErrorNone);
while (q->tail)
{
msg_node* next = q->tail->next;
OSAL_Free(q->tail);
q->tail = next;
}
err = OSAL_MutexUnlock(q->mutex); assert(err == OMX_ErrorNone);
err = OSAL_MutexDestroy(q->mutex); assert(err == OMX_ErrorNone);
err = OSAL_EventDestroy(q->event); assert(err == OMX_ErrorNone);
}
OMX_ERRORTYPE HantroOmx_port_lock_buffers(PORT* p)
{
assert(p);
return OSAL_MutexLock(p->buffermutex);
}
void Img_EnsQueue::Reset()
{ /** Reset all entries */
OSAL_MutexLock(mutex);
head = tail = 0;
OSAL_MutexUnlock(mutex);
}
