1/*
2 * Copyright (c) 2010,2013 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#ifndef CC_CommonBufferingPriv_h
25#define CC_CommonBufferingPriv_h
26
27#include "CommonNumerics.h"
28#include <stdbool.h>
29
30typedef struct CNBuffer_t {
31    size_t chunksize;
32    size_t bufferPos;
33    uint8_t *buf;
34} CNBuffer, *CNBufferRef;
35
36CNBufferRef
37CNBufferCreate(size_t chunksize);
38
39CNStatus
40CNBufferRelease(CNBufferRef *bufRef);
41
42typedef int (*cnProcessFunction)(void *ctx, const void *in, size_t inLen, void *out, size_t *outLen);
43typedef size_t (*cnSizeFunction)(void *ctx, size_t inLen);
44
45CNStatus
46CNBufferProcessData(CNBufferRef bufRef,
47                    void *ctx, const void *in, const size_t inLen, void *out, size_t *outLen,
48                    cnProcessFunction pFunc, cnSizeFunction sizeFunc);
49
50CNStatus
51CNBufferFlushData(CNBufferRef bufRef,
52                  void *ctx, void *out, size_t *outLen,
53                  cnProcessFunction pFunc, cnSizeFunction sizeFunc);
54
55
56bool
57CNBufferEmpty(CNBufferRef bufRef);
58
59
60
61
62
63#endif /* CC_CommonBufferingPriv_h */
64