1*437bfbebSnyanmisaka /* 2*437bfbebSnyanmisaka * Copyright 2015 Rockchip Electronics Co. LTD 3*437bfbebSnyanmisaka * 4*437bfbebSnyanmisaka * Licensed under the Apache License, Version 2.0 (the "License"); 5*437bfbebSnyanmisaka * you may not use this file except in compliance with the License. 6*437bfbebSnyanmisaka * You may obtain a copy of the License at 7*437bfbebSnyanmisaka * 8*437bfbebSnyanmisaka * http://www.apache.org/licenses/LICENSE-2.0 9*437bfbebSnyanmisaka * 10*437bfbebSnyanmisaka * Unless required by applicable law or agreed to in writing, software 11*437bfbebSnyanmisaka * distributed under the License is distributed on an "AS IS" BASIS, 12*437bfbebSnyanmisaka * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*437bfbebSnyanmisaka * See the License for the specific language governing permissions and 14*437bfbebSnyanmisaka * limitations under the License. 15*437bfbebSnyanmisaka */ 16*437bfbebSnyanmisaka 17*437bfbebSnyanmisaka #ifndef __H265E_ENCTROPY_H__ 18*437bfbebSnyanmisaka #define __H265E_ENCTROPY_H__ 19*437bfbebSnyanmisaka 20*437bfbebSnyanmisaka #include "mpp_bitwrite.h" 21*437bfbebSnyanmisaka 22*437bfbebSnyanmisaka typedef struct H265eContextModel { 23*437bfbebSnyanmisaka RK_U8 m_state; ///< internal state variable 24*437bfbebSnyanmisaka RK_U8 bBinsCoded; 25*437bfbebSnyanmisaka } H265eContextModel_t; 26*437bfbebSnyanmisaka 27*437bfbebSnyanmisaka typedef struct H265eCabacCtx { 28*437bfbebSnyanmisaka MppWriteCtx *m_bitIf; 29*437bfbebSnyanmisaka RK_U32 m_low; 30*437bfbebSnyanmisaka RK_U32 m_range; 31*437bfbebSnyanmisaka RK_U32 m_bufferedByte; 32*437bfbebSnyanmisaka RK_S32 m_numBufferedBytes; 33*437bfbebSnyanmisaka RK_S32 m_bitsLeft; 34*437bfbebSnyanmisaka RK_U64 m_fracBits; 35*437bfbebSnyanmisaka RK_U8 m_bIsCounter; 36*437bfbebSnyanmisaka } H265eCabacCtx; 37*437bfbebSnyanmisaka 38*437bfbebSnyanmisaka #ifdef __cplusplus 39*437bfbebSnyanmisaka extern "C" { 40*437bfbebSnyanmisaka #endif 41*437bfbebSnyanmisaka 42*437bfbebSnyanmisaka void h265e_cabac_init(H265eCabacCtx *cabac_ctx, MppWriteCtx * bitIf); 43*437bfbebSnyanmisaka void h265e_reset_enctropy(void *slice_ctx); 44*437bfbebSnyanmisaka void h265e_cabac_resetBits(H265eCabacCtx *cabac_ctx); 45*437bfbebSnyanmisaka void h265e_cabac_encodeBin(H265eCabacCtx *cabac_ctx, H265eContextModel_t *ctxModel, RK_U32 binValue); 46*437bfbebSnyanmisaka void h265e_cabac_encodeBinTrm(H265eCabacCtx *cabac_ctx, RK_U32 binValue); 47*437bfbebSnyanmisaka void h265e_cabac_start(H265eCabacCtx *cabac_ctx); 48*437bfbebSnyanmisaka void h265e_cabac_finish(H265eCabacCtx *cabac_ctx); 49*437bfbebSnyanmisaka void h265e_cabac_flush(H265eCabacCtx *cabac_ctx); 50*437bfbebSnyanmisaka 51*437bfbebSnyanmisaka #ifdef __cplusplus 52*437bfbebSnyanmisaka } 53*437bfbebSnyanmisaka #endif 54*437bfbebSnyanmisaka 55*437bfbebSnyanmisaka #endif 56