diff options
Diffstat (limited to 'media/libtheora/lib/x86_vc/x86state.c')
| -rw-r--r-- | media/libtheora/lib/x86_vc/x86state.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/media/libtheora/lib/x86_vc/x86state.c b/media/libtheora/lib/x86_vc/x86state.c new file mode 100644 index 000000000..7aa73deae --- /dev/null +++ b/media/libtheora/lib/x86_vc/x86state.c @@ -0,0 +1,61 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * + * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * + * * + ******************************************************************** + + function: + last mod: $Id: x86state.c 17410 2010-09-21 21:53:48Z tterribe $ + + ********************************************************************/ + +#include "x86int.h" + +#if defined(OC_X86_ASM) + +/*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into + each quadrant of the destination.*/ +static const unsigned char OC_FZIG_ZAG_MMX[128]={ + 0, 8, 1, 2, 9,16,24,17, + 10, 3,32,11,18,25, 4,12, + 5,26,19,40,33,34,41,48, + 27, 6,13,20,28,21,14, 7, + 56,49,42,35,43,50,57,36, + 15,22,29,30,23,44,37,58, + 51,59,38,45,52,31,60,53, + 46,39,47,54,61,62,55,63, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, + 64,64,64,64,64,64,64,64, +}; + +void oc_state_accel_init_x86(oc_theora_state *_state){ + _state->cpu_flags=oc_cpu_flags_get(); + if(_state->cpu_flags&OC_CPU_X86_MMX){ + _state->opt_vtable.frag_copy=oc_frag_copy_mmx; + _state->opt_vtable.frag_copy_list=oc_frag_copy_list_mmx; + _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx; + _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx; + _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx; + _state->opt_vtable.idct8x8=oc_idct8x8_mmx; + _state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx; + _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmx; + _state->opt_vtable.state_loop_filter_frag_rows= + oc_state_loop_filter_frag_rows_mmx; + _state->opt_vtable.restore_fpu=oc_restore_fpu_mmx; + _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX; + } + else oc_state_accel_init_c(_state); +} +#endif |