media/libtheora/lib/x86/x86state.c

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /********************************************************************
     2  *                                                                  *
     3  * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
     4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
     5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
     6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
     7  *                                                                  *
     8  * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *
     9  * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
    10  *                                                                  *
    11  ********************************************************************
    13   function:
    14     last mod: $Id: x86state.c 17421 2010-09-22 16:46:18Z giles $
    16  ********************************************************************/
    18 #include "x86int.h"
    20 #if defined(OC_X86_ASM)
    22 /*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into
    23    each quadrant of the destination.*/
    24 static const unsigned char OC_FZIG_ZAG_MMX[128]={
    25    0, 8, 1, 2, 9,16,24,17,
    26   10, 3,32,11,18,25, 4,12,
    27    5,26,19,40,33,34,41,48,
    28   27, 6,13,20,28,21,14, 7,
    29   56,49,42,35,43,50,57,36,
    30   15,22,29,30,23,44,37,58,
    31   51,59,38,45,52,31,60,53,
    32   46,39,47,54,61,62,55,63,
    33   64,64,64,64,64,64,64,64,
    34   64,64,64,64,64,64,64,64,
    35   64,64,64,64,64,64,64,64,
    36   64,64,64,64,64,64,64,64,
    37   64,64,64,64,64,64,64,64,
    38   64,64,64,64,64,64,64,64,
    39   64,64,64,64,64,64,64,64,
    40   64,64,64,64,64,64,64,64
    41 };
    43 /*This table has been modified from OC_FZIG_ZAG by baking an 8x8 transpose into
    44    the destination.*/
    45 static const unsigned char OC_FZIG_ZAG_SSE2[128]={
    46    0, 8, 1, 2, 9,16,24,17,
    47   10, 3, 4,11,18,25,32,40,
    48   33,26,19,12, 5, 6,13,20,
    49   27,34,41,48,56,49,42,35,
    50   28,21,14, 7,15,22,29,36,
    51   43,50,57,58,51,44,37,30,
    52   23,31,38,45,52,59,60,53,
    53   46,39,47,54,61,62,55,63,
    54   64,64,64,64,64,64,64,64,
    55   64,64,64,64,64,64,64,64,
    56   64,64,64,64,64,64,64,64,
    57   64,64,64,64,64,64,64,64,
    58   64,64,64,64,64,64,64,64,
    59   64,64,64,64,64,64,64,64,
    60   64,64,64,64,64,64,64,64,
    61   64,64,64,64,64,64,64,64
    62 };
    64 void oc_state_accel_init_x86(oc_theora_state *_state){
    65   oc_state_accel_init_c(_state);
    66   _state->cpu_flags=oc_cpu_flags_get();
    67 # if defined(OC_STATE_USE_VTABLE)
    68   if(_state->cpu_flags&OC_CPU_X86_MMX){
    69     _state->opt_vtable.frag_copy=oc_frag_copy_mmx;
    70     _state->opt_vtable.frag_copy_list=oc_frag_copy_list_mmx;
    71     _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx;
    72     _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx;
    73     _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx;
    74     _state->opt_vtable.idct8x8=oc_idct8x8_mmx;
    75     _state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx;
    76     _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmx;
    77     _state->opt_vtable.state_loop_filter_frag_rows=
    78      oc_state_loop_filter_frag_rows_mmx;
    79     _state->opt_vtable.restore_fpu=oc_restore_fpu_mmx;
    80     _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX;
    81   }
    82   if(_state->cpu_flags&OC_CPU_X86_MMXEXT){
    83     _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmxext;
    84     _state->opt_vtable.state_loop_filter_frag_rows=
    85      oc_state_loop_filter_frag_rows_mmxext;
    86   }
    87   if(_state->cpu_flags&OC_CPU_X86_SSE2){
    88     _state->opt_vtable.idct8x8=oc_idct8x8_sse2;
    89 # endif
    90     _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_SSE2;
    91 # if defined(OC_STATE_USE_VTABLE)
    92   }
    93 # endif
    94 }
    95 #endif

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