1 /**
2 * @file stream.h
3 *
4 * @brief
5 * The file has data structures and API definitions for the
6 * STREAM Module
7 *
8 * \par
9 * NOTE:
10 * (C) Copyright 2008, Texas Instruments, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 *
16 * Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the
22 * distribution.
23 *
24 * Neither the name of Texas Instruments Incorporated nor the names of
25 * its contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * \par
41 */
42 #ifndef __STREAM_H__
43 #define __STREAM_H__
45 /**********************************************************************
46 **************************** Exported Functions **********************
47 **********************************************************************/
49 extern void stream_init (void);
50 extern Int32 stream_open (Uint32 chunk_size);
51 extern void stream_close (void);
52 extern Int32 stream_read (Uint8* ptr_data, Int32 num_bytes);
53 extern Int32 stream_peek (Uint8* ptr_data, Int32 num_bytes);
54 extern Int32 stream_write (Uint8* ptr_data, Int32 num_bytes);
55 extern Bool stream_isempty(void);
56 extern Int32 stream_level (void);
58 #endif /* __STREAM_H__ */