root/applications/dashcast/message_queue.h

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INCLUDED FROM

/*
 *                      GPAC - Multimedia Framework C SDK
 *
 *                      Authors: Arash Shafiei
 *                      Copyright (c) Telecom ParisTech 2000-2013
 *                                      All rights reserved
 *
 *  This file is part of GPAC / dashcast
 *
 *  GPAC 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, or (at your option)
 *  any later version.
 *
 *  GPAC 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; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef MESSAGE_QUEUE_H_
#define MESSAGE_QUEUE_H_

#include <string.h>
#include <stdlib.h>
#include <gpac/thread.h>


typedef struct MessageQueueNode {
        void *data;
        u32 size;
        struct MessageQueueNode *next;
} MessageQueueNode;

typedef struct MessageQueue {
        MessageQueueNode *last_node;
        MessageQueueNode *first_node;
        int nb_nodes;
        GF_Semaphore *sem;
        GF_Mutex *mutex;
} MessageQueue;

void dc_message_queue_init(MessageQueue *mq);

void dc_message_queue_put(MessageQueue *mq, void *data, u32 size);

int dc_message_queue_get(MessageQueue *mq, void *data);

void dc_message_queue_flush(MessageQueue *mq);

void dc_message_queue_free(MessageQueue *mq);

#endif /* MESSAGE_QUEUE_H_ */
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