| /* |
| * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license and patent |
| * grant that can be found in the LICENSE file in the root of the source |
| * tree. All contributing project authors may be found in the AUTHORS |
| * file in the root of the source tree. |
| */ |
| |
| |
| /**************************************************************************** |
| * |
| * Module Title : boolhuff.h |
| * |
| * Description : Bool Coder header file. |
| * |
| ****************************************************************************/ |
| #ifndef __INC_BOOLHUFF_H |
| #define __INC_BOOLHUFF_H |
| |
| |
| typedef struct |
| { |
| unsigned int lowvalue; |
| unsigned int range; |
| unsigned int value; |
| int count; |
| unsigned int pos; |
| unsigned char *buffer; |
| |
| // Variables used to track bit costs without outputing to the bitstream |
| unsigned int measure_cost; |
| unsigned long bit_counter; |
| } BOOL_CODER; |
| |
| extern void vp8_start_encode(BOOL_CODER *bc, unsigned char *buffer); |
| extern void vp8_encode_bool(BOOL_CODER *bc, int x, int context); |
| extern void vp8_encode_value(BOOL_CODER *br, int data, int bits); |
| extern void vp8_stop_encode(BOOL_CODER *bc); |
| extern const unsigned int vp8_prob_cost[256]; |
| |
| #endif |