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      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2015 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at:
      8  *
      9  * http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  *****************************************************************************
     18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
     19 */
     20 
     21 /*!
     22  **************************************************************************
     23  * \file ih264d_process_intra_mb.h
     24  *
     25  * \brief
     26  *    Contains routines that decode a I slice type
     27  *
     28  * Detailed_description
     29  *
     30  * \date
     31  *    07/07/2003
     32  *
     33  * \author  NS
     34  **************************************************************************
     35  */
     36 #ifndef _IH264D_PROCESS_INTRA_MB_H_
     37 #define _IH264D_PROCESS_INTRA_MB_H_
     38 
     39 #include "ih264_typedefs.h"
     40 #include "ih264_macros.h"
     41 #include "ih264_platform_macros.h"
     42 #include "ih264d_structs.h"
     43 
     44 #define CHROMA_TO_LUMA_INTRA_MODE(x)   (x ^ ( (!(x & 0x01)) << 1))
     45 #define MB_TYPE_TO_INTRA_16x16_MODE(x) ((x - 1) & 0x03)
     46 
     47 UWORD32 ih264d_unpack_luma_coeff4x4_mb(dec_struct_t * ps_dec,
     48                                     dec_mb_info_t * ps_cur_mb_info,
     49                                     UWORD8 intra_flag);
     50 void ih264d_unpack_chroma_coeff4x4_mb(dec_struct_t * ps_dec,
     51                                       dec_mb_info_t * ps_cur_mb_info);
     52 UWORD32 ih264d_unpack_luma_coeff8x8_mb(dec_struct_t * ps_dec,
     53                                     dec_mb_info_t * ps_cur_mb_info);
     54 
     55 WORD32 ih264d_read_intra_pred_modes(dec_struct_t *ps_dec,
     56                                     UWORD8 *pu1_prev_intra4x4_pred_mode_flag,
     57                                     UWORD8 *pu1_rem_intra4x4_pred_mode,
     58                                     UWORD32 u4_trans_form8x8);
     59 
     60 WORD32 ih264d_process_intra_mb(dec_struct_t * ps_dec,
     61                                dec_mb_info_t * ps_cur_mb_info,
     62                                UWORD8 u1_mb_num);
     63 
     64 #endif  /* _IH264D_PROCESS_INTRA_MB_H_ */
     65 
     66