| /****************************************************************************** |
| * |
| * 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 |
| * ih264e_me.h |
| * |
| * @brief |
| * Contains declarations of h264 me |
| * |
| * @author |
| * ittiam |
| * |
| * @remarks |
| * |
| ******************************************************************************* |
| */ |
| |
| #ifndef _IH264E_ME_H_ |
| #define _IH264E_ME_H_ |
| |
| |
| /*****************************************************************************/ |
| /* Constant Macros */ |
| /*****************************************************************************/ |
| |
| /** |
| ****************************************************************************** |
| * @brief Skip Bias value for P slice |
| ****************************************************************************** |
| */ |
| #define SKIP_BIAS_P 0 |
| |
| /** |
| ****************************************************************************** |
| * @brief Skip Bias value for B slice |
| ****************************************************************************** |
| */ |
| #define SKIP_BIAS_B 0 |
| |
| |
| /*****************************************************************************/ |
| /* Function Macros */ |
| /*****************************************************************************/ |
| |
| /** |
| ****************************************************************************** |
| * @brief compute median of 3 elements (a, b, c) and store the output |
| * in to result. This is used for mv prediction |
| ****************************************************************************** |
| */ |
| #define MEDIAN(a, b, c, result) if (a > b){\ |
| if (b > c)\ |
| result = b;\ |
| else {\ |
| if (a > c)\ |
| result = c;\ |
| else \ |
| result = a;\ |
| }\ |
| }\ |
| else {\ |
| if (c > b)\ |
| result = b;\ |
| else {\ |
| if (c > a)\ |
| result = c;\ |
| else \ |
| result = a;\ |
| }\ |
| } |
| |
| /*****************************************************************************/ |
| /* Function Declarations */ |
| /*****************************************************************************/ |
| |
| void ih264e_init_mv_bits(me_ctxt_t *ps_me); |
| |
| ih264e_skip_params_ft ih264e_find_pskip_params; |
| |
| ih264e_skip_params_ft ih264e_find_pskip_params_me; |
| |
| ih264e_skip_params_ft ih264e_find_bskip_params; |
| |
| ih264e_skip_params_ft ih264e_find_bskip_params_me; |
| |
| void ih264e_get_mv_predictor(enc_pu_t *ps_left_mb_pu, enc_pu_t *ps_top_row_pu, |
| enc_pu_mv_t *ps_pred_mv, WORD32 i4_ref_list); |
| |
| ih264e_compute_me_ft ih264e_compute_me_multi_reflist; |
| |
| ih264e_compute_me_ft ih264e_compute_me_single_reflist; |
| |
| void ih264e_init_me(process_ctxt_t *ps_proc); |
| |
| void ih264e_compute_me_nmb(process_ctxt_t *ps_proc, UWORD32 u4_nmb_count); |
| |
| void ih264e_mv_pred(process_ctxt_t *ps_proc, WORD32 i4_reflist); |
| |
| void ih264e_mv_pred_me(process_ctxt_t *ps_proc, WORD32 i4_ref_list); |
| |
| #endif /* _IH264E_ME_H_ */ |