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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 * @file
     23 *  impeg2d_function_selector.c
     24 *
     25 * @brief
     26 *  Contains functions to initialize function pointers used in mpeg2
     27 *
     28 * @author
     29 *  Naveen
     30 *
     31 * @par List of Functions:
     32 * @remarks
     33 *  None
     34 *
     35 *******************************************************************************
     36 */
     37 /*****************************************************************************/
     38 /* File Includes                                                             */
     39 /*****************************************************************************/
     40 #include <stdio.h>
     41 #include <stddef.h>
     42 #include <stdlib.h>
     43 #include <string.h>
     44 
     45 /* User include files */
     46 #include "iv_datatypedef.h"
     47 #include "iv.h"
     48 #include "ivd.h"
     49 #include "ithread.h"
     50 
     51 #include "impeg2_macros.h"
     52 #include "impeg2_buf_mgr.h"
     53 #include "impeg2_disp_mgr.h"
     54 #include "impeg2_defs.h"
     55 #include "impeg2_platform_macros.h"
     56 #include "impeg2_inter_pred.h"
     57 #include "impeg2_idct.h"
     58 #include "impeg2_format_conv.h"
     59 #include "impeg2_mem_func.h"
     60 
     61 #include "impeg2d.h"
     62 #include "impeg2d_bitstream.h"
     63 #include "impeg2d_debug.h"
     64 #include "impeg2d_structs.h"
     65 #include "impeg2d_function_selector.h"
     66 
     67 void impeg2d_init_function_ptr(void *pv_codec)
     68 {
     69     dec_state_t *ps_codec = (dec_state_t *)pv_codec;
     70 
     71     impeg2d_init_function_ptr_generic(pv_codec);
     72     switch(ps_codec->e_processor_arch)
     73     {
     74         case ARCH_X86_GENERIC:
     75             impeg2d_init_function_ptr_generic(pv_codec);
     76         break;
     77         case ARCH_X86_SSSE3:
     78             impeg2d_init_function_ptr_ssse3(pv_codec);
     79             break;
     80         case ARCH_X86_SSE42:
     81             impeg2d_init_function_ptr_sse42(pv_codec);
     82         break;
     83         case ARCH_X86_AVX2:
     84 #ifndef DISABLE_AVX2
     85             impeg2d_init_function_ptr_avx2(pv_codec);
     86 #else
     87             impeg2d_init_function_ptr_sse42(pv_codec);
     88 #endif
     89         break;
     90         default:
     91             impeg2d_init_function_ptr_sse42(pv_codec);
     92         break;
     93     }
     94 }
     95 void impeg2d_init_arch(void *pv_codec)
     96 {
     97     dec_state_t *ps_codec = (dec_state_t*) pv_codec;
     98 
     99 #ifdef DEFAULT_ARCH
    100 #if DEFAULT_ARCH == D_ARCH_X86_SSE42
    101     ps_codec->e_processor_arch = ARCH_X86_SSE42;
    102 #elif DEFAULT_ARCH == D_ARCH_X86_SSSE3
    103     ps_codec->e_processor_arch = ARCH_X86_SSSE3;
    104 #elif DEFAULT_ARCH == D_ARCH_X86_AVX2
    105     ps_codec->e_processor_arch = D_ARCH_X86_AVX2;
    106 #else
    107     ps_codec->e_processor_arch = ARCH_X86_GENERIC;
    108 #endif
    109 #else
    110     ps_codec->e_processor_arch = ARCH_X86_SSE42;
    111 #endif
    112 
    113 }
    114