/**
* @brief Resets the BufferQueue producer queue for a given track
*
* @param element The Track element from the list
* @param user_data Unused, for compatibility with g_list_foreach().
*
* @see bq_producer_reset_queue
*/
static void r_track_producer_reset_queue(gpointer element,
ATTR_UNUSED gpointer user_data) {
Track *t = (Track*)element;
if ( t->producer )
bq_producer_reset_queue(t->producer);
}
/**
* @brief Create a new producer for the bufferqueue or return one previously
* allocated with the same key
*
* @param free_function Function to call when removing buffers from
* the queue.
* @param key producer's unique id, NULL if not shared.
*
* @return A new BufferQueue_Producer object that needs to be freed
* with @ref bq_producer_unref.
*/
BufferQueue_Producer *bq_producer_new(GDestroyNotify free_function,
gchar *key,
gint *is_new)
{
BufferQueue_Producer *ret = NULL;
*is_new = FALSE;
if (key) {
g_mutex_lock(bq_shared_producers_lock);
ret = g_hash_table_lookup(bq_shared_producers, key);
}
if (!ret) {
ret = g_slice_new0(BufferQueue_Producer);
ret->ref_count = 1;
ret->lock = g_mutex_new();
ret->free_function = free_function;
ret->last_consumer = g_cond_new();
ret->fd_set = fd_set_new();
ret->max_backlog = DEFAULT_MAX_BACKLOG;
ret->user_data = NULL;
if (key) {
ret->key = g_strdup(key);
g_hash_table_insert(bq_shared_producers, ret->key, ret);
}
bq_producer_reset_queue(ret);
*is_new = TRUE;
}
else
{
bq_producer_ref(ret);
}
if (key)
g_mutex_unlock(bq_shared_producers_lock);
return ret;
}