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Change-Id: I7efe9a589cd24edf86e8d086b40c27cbbf8b4017

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+/******************************************************************************
+ *
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *****************************************************************************
+ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
+*/
+
+/**
+******************************************************************************
+* @file ih264_cavlc_tables.h
+*
+* @brief
+*  This file contains enumerations, macros and extern declarations of H264
+*  cavlc tables
+*
+* @author
+*  Ittiam
+*
+*  @remarks
+*   none
+******************************************************************************
+*/
+
+#ifndef IH264_CAVLC_TABLES_H_
+#define IH264_CAVLC_TABLES_H_
+
+/*****************************************************************************/
+/* Constant Macros                                                           */
+/*****************************************************************************/
+/**
+******************************************************************************
+ *  @brief  maximum zeros left
+******************************************************************************
+ */
+#define MAX_ZERO_LEFT 6
+
+/*****************************************************************************/
+/* Extern global declarations                                                */
+/*****************************************************************************/
+
+/**
+ ******************************************************************************
+ * @brief  Assignment of cbp to a codenum for intra and inter prediction modes
+ * chroma format idc != 0
+ * input  : cbp, intra - 0/inter - 1
+ * output : codenum
+ * @remarks Table 9-4 – Assignment of codeNum to values of coded_block_pattern
+ * for macroblock prediction modes in H264 spec
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_cbp_map_tables[48][2];
+
+/**
+ ******************************************************************************
+ * @brief  total non-zero coefficients and numbers of trailing ones of a residual
+ * block are mapped to coefftoken using the tables given below.
+ * input  : VLC-Num  | Trailing ones | Total coeffs
+ * output : coeff_token (code word, size of the code word)
+ * @remarks Table-9-5 coeff_token mapping to TotalCoeff( coeff_token )
+ * and TrailingOnes( coeff_token ) in H264 spec
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_code_coeff_token_table[3][4][16];
+extern const UWORD8 gu1_size_coeff_token_table[3][4][16];
+extern const UWORD8 gu1_code_coeff_token_table_chroma[4][4];
+extern const UWORD8 gu1_size_coeff_token_table_chroma[4][4];
+
+/**
+ ******************************************************************************
+ * @brief  Thresholds for determining whether to increment Level table number.
+ * input  : suffix_length
+ * output : threshold
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_threshold_vlc_level[6];
+
+/**
+ ******************************************************************************
+ * @brief  table for encoding total number of zeros
+ * input  : coeff_token, total zeros
+ * output : code word, size of the code word
+ * @remarks Table-9-7, 9-8  total_zeros tables for 4x4 blocks with
+ * TotalCoeff( coeff_token ) in H264 spec
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_size_zero_table[135];
+extern const UWORD8 gu1_code_zero_table[135];
+extern const UWORD8 gu1_size_zero_table_chroma[9];
+extern const UWORD8 gu1_code_zero_table_chroma[9];
+
+/**
+ ******************************************************************************
+ * @brief  index to access zero table (for speed)
+ * input  : TotalCoeff( coeff_token )
+ * output : index to access zero table
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_index_zero_table[15];
+
+/**
+ ******************************************************************************
+ * @brief  table for encoding runs of zeros before
+ * input  : zeros left, runs of zeros before
+ * output : code word, size of the code word
+ * @remarks Table-9-10  table for run_before in H264 spec
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_size_run_table[42];
+extern const UWORD8 gu1_code_run_table[42];
+
+/**
+ ******************************************************************************
+ * @brief  index to access run table (look up)
+ * input  : zeros left
+ * output : index to access run table
+ ******************************************************************************
+ */
+extern const UWORD8 gu1_index_run_table[7];
+
+#endif /* IH264_CAVLC_TABLES_H_ */