FreeRDP/channels/urbdrc/client/isoch_queue.h
2013-02-14 22:20:43 +01:00

70 lines
1.8 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* RemoteFX USB Redirection
*
* Copyright 2012 Atrust corp.
* Copyright 2012 Alfred Liu <alfred.liu@atruscorp.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __ISOCH_QUEUE_H
#define __ISOCH_QUEUE_H
#include "urbdrc_types.h"
typedef struct _ISOCH_CALLBACK_DATA ISOCH_CALLBACK_DATA;
typedef struct _ISOCH_CALLBACK_QUEUE ISOCH_CALLBACK_QUEUE;
struct _ISOCH_CALLBACK_DATA
{
void * inode;
void * prev;
void * next;
void * device;
BYTE * out_data;
UINT32 out_size;
void * callback;
};
struct _ISOCH_CALLBACK_QUEUE
{
int isoch_num;
ISOCH_CALLBACK_DATA* curr; /* current point */
ISOCH_CALLBACK_DATA* head; /* head point in linked list */
ISOCH_CALLBACK_DATA* tail; /* tail point in linked list */
pthread_mutex_t isoch_loading;
/* Isochronous queue service */
void (*rewind) (ISOCH_CALLBACK_QUEUE * queue);
int (*has_next) (ISOCH_CALLBACK_QUEUE * queue);
int (*unregister_data) (ISOCH_CALLBACK_QUEUE* queue, ISOCH_CALLBACK_DATA* isoch);
ISOCH_CALLBACK_DATA *(*get_next) (ISOCH_CALLBACK_QUEUE * queue);
ISOCH_CALLBACK_DATA *(*register_data) (ISOCH_CALLBACK_QUEUE* queue,
void * callback, void * dev);
void (*free) (ISOCH_CALLBACK_QUEUE * queue);
};
ISOCH_CALLBACK_QUEUE* isoch_queue_new(void);
#endif /* __ISOCH_QUEUE_H */