1/* 2 * Copyright (c) 2010 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