ref: 8c48c943e7c082b4330061e74ce85547253de301
dir: /vp8/encoder/boolhuff.h/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. 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