| /* INTEL CONFIDENTIAL |
| * Copyright (c) 2012 Intel Corporation. All rights reserved. |
| * Copyright (c) Imagination Technologies Limited, UK |
| * |
| * The source code contained or described herein and all documents |
| * related to the source code ("Material") are owned by Intel |
| * Corporation or its suppliers or licensors. Title to the |
| * Material remains with Intel Corporation or its suppliers and |
| * licensors. The Material contains trade secrets and proprietary |
| * and confidential information of Intel or its suppliers and |
| * licensors. The Material is protected by worldwide copyright and |
| * trade secret laws and treaty provisions. No part of the Material |
| * may be used, copied, reproduced, modified, published, uploaded, |
| * posted, transmitted, distributed, or disclosed in any way without |
| * Intel's prior express written permission. |
| * |
| * No license under any patent, copyright, trade secret or other |
| * intellectual property right is granted to or conferred upon you |
| * by disclosure or delivery of the Materials, either expressly, by |
| * implication, inducement, estoppel or otherwise. Any license |
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| * |
| */ |
| |
| #ifndef _BOOL_CODER_H_ |
| #define _BOOL_CODER_H_ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stddef.h> |
| |
| typedef struct _BOOL_CODER |
| { |
| uint32_t range; // always idential to encoder's range |
| uint32_t value; // contains at least 24 significant bits |
| int32_t count; // # of bits shifted out of value, at most 7 |
| uint32_t pos; |
| uint8_t *buffer; // pointer to next compressed data byte to be read |
| } BOOL_CODER; |
| |
| typedef struct _BITREADER |
| { |
| int32_t bitsinremainder; // # of bits still used in remainder |
| uint32_t remainder; // remaining bits from original long |
| const uint8_t *position; // character pointer position within data |
| } BITREADER; |
| |
| void vp8_start_decode(BOOL_CODER *br, uint8_t *source); |
| int32_t vp8_decode_bool(BOOL_CODER *br, int32_t probability); |
| uint32_t vp8_read_bits(BOOL_CODER *br, int32_t bits); |
| |
| #endif |