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Diffstat (limited to 'media/libtheora/lib/arm/armstate.c')
-rw-r--r-- | media/libtheora/lib/arm/armstate.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/media/libtheora/lib/arm/armstate.c b/media/libtheora/lib/arm/armstate.c new file mode 100644 index 0000000000..a560608386 --- /dev/null +++ b/media/libtheora/lib/arm/armstate.c @@ -0,0 +1,219 @@ +/******************************************************************** + * * + * 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) 2002-2010 * + * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * + * * + ******************************************************************** + + function: + last mod: $Id: x86state.c 17344 2010-07-21 01:42:18Z tterribe $ + + ********************************************************************/ +#include "armint.h" + +#if defined(OC_ARM_ASM) + +# if defined(OC_ARM_ASM_NEON) +/*This table has been modified from OC_FZIG_ZAG by baking an 8x8 transpose into + the destination.*/ +static const unsigned char OC_FZIG_ZAG_NEON[128]={ + 0, 8, 1, 2, 9,16,24,17, + 10, 3, 4,11,18,25,32,40, + 33,26,19,12, 5, 6,13,20, + 27,34,41,48,56,49,42,35, + 28,21,14, 7,15,22,29,36, + 43,50,57,58,51,44,37,30, + 23,31,38,45,52,59,60,53, + 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 +}; +# endif + +void oc_state_accel_init_arm(oc_theora_state *_state){ + oc_state_accel_init_c(_state); + _state->cpu_flags=oc_cpu_flags_get(); +# if defined(OC_STATE_USE_VTABLE) + _state->opt_vtable.frag_copy_list=oc_frag_copy_list_arm; + _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_arm; + _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_arm; + _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_arm; + _state->opt_vtable.idct8x8=oc_idct8x8_arm; + _state->opt_vtable.state_frag_recon=oc_state_frag_recon_arm; + /*Note: We _must_ set this function pointer, because the macro in armint.h + calls it with different arguments, so the C version will segfault.*/ + _state->opt_vtable.state_loop_filter_frag_rows= + (oc_state_loop_filter_frag_rows_func)oc_loop_filter_frag_rows_arm; +# endif +# if defined(OC_ARM_ASM_EDSP) + if(_state->cpu_flags&OC_CPU_ARM_EDSP){ +# if defined(OC_STATE_USE_VTABLE) + _state->opt_vtable.frag_copy_list=oc_frag_copy_list_edsp; +# endif + } +# if defined(OC_ARM_ASM_MEDIA) + if(_state->cpu_flags&OC_CPU_ARM_MEDIA){ +# if defined(OC_STATE_USE_VTABLE) + _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_v6; + _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_v6; + _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_v6; + _state->opt_vtable.idct8x8=oc_idct8x8_v6; + _state->opt_vtable.state_frag_recon=oc_state_frag_recon_v6; + _state->opt_vtable.loop_filter_init=oc_loop_filter_init_v6; + _state->opt_vtable.state_loop_filter_frag_rows= + (oc_state_loop_filter_frag_rows_func)oc_loop_filter_frag_rows_v6; +# endif + } +# if defined(OC_ARM_ASM_NEON) + if(_state->cpu_flags&OC_CPU_ARM_NEON){ +# if defined(OC_STATE_USE_VTABLE) + _state->opt_vtable.frag_copy_list=oc_frag_copy_list_neon; + _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_neon; + _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_neon; + _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_neon; + _state->opt_vtable.state_frag_recon=oc_state_frag_recon_neon; + _state->opt_vtable.loop_filter_init=oc_loop_filter_init_neon; + _state->opt_vtable.state_loop_filter_frag_rows= + (oc_state_loop_filter_frag_rows_func)oc_loop_filter_frag_rows_neon; + _state->opt_vtable.idct8x8=oc_idct8x8_neon; +# endif + _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_NEON; + } +# endif +# endif +# endif +} + +void oc_state_frag_recon_arm(const oc_theora_state *_state,ptrdiff_t _fragi, + int _pli,ogg_int16_t _dct_coeffs[128],int _last_zzi,ogg_uint16_t _dc_quant){ + unsigned char *dst; + ptrdiff_t frag_buf_off; + int ystride; + int refi; + /*Apply the inverse transform.*/ + /*Special case only having a DC component.*/ + if(_last_zzi<2){ + ogg_uint16_t p; + /*We round this dequant product (and not any of the others) because there's + no iDCT rounding.*/ + p=(ogg_uint16_t)(_dct_coeffs[0]*(ogg_int32_t)_dc_quant+15>>5); + oc_idct8x8_1_arm(_dct_coeffs+64,p); + } + else{ + /*First, dequantize the DC coefficient.*/ + _dct_coeffs[0]=(ogg_int16_t)(_dct_coeffs[0]*(int)_dc_quant); + oc_idct8x8_arm(_dct_coeffs+64,_dct_coeffs,_last_zzi); + } + /*Fill in the target buffer.*/ + frag_buf_off=_state->frag_buf_offs[_fragi]; + refi=_state->frags[_fragi].refi; + ystride=_state->ref_ystride[_pli]; + dst=_state->ref_frame_data[OC_FRAME_SELF]+frag_buf_off; + if(refi==OC_FRAME_SELF)oc_frag_recon_intra_arm(dst,ystride,_dct_coeffs+64); + else{ + const unsigned char *ref; + int mvoffsets[2]; + ref=_state->ref_frame_data[refi]+frag_buf_off; + if(oc_state_get_mv_offsets(_state,mvoffsets,_pli, + _state->frag_mvs[_fragi])>1){ + oc_frag_recon_inter2_arm(dst,ref+mvoffsets[0],ref+mvoffsets[1],ystride, + _dct_coeffs+64); + } + else oc_frag_recon_inter_arm(dst,ref+mvoffsets[0],ystride,_dct_coeffs+64); + } +} + +# if defined(OC_ARM_ASM_MEDIA) +void oc_state_frag_recon_v6(const oc_theora_state *_state,ptrdiff_t _fragi, + int _pli,ogg_int16_t _dct_coeffs[128],int _last_zzi,ogg_uint16_t _dc_quant){ + unsigned char *dst; + ptrdiff_t frag_buf_off; + int ystride; + int refi; + /*Apply the inverse transform.*/ + /*Special case only having a DC component.*/ + if(_last_zzi<2){ + ogg_uint16_t p; + /*We round this dequant product (and not any of the others) because there's + no iDCT rounding.*/ + p=(ogg_uint16_t)(_dct_coeffs[0]*(ogg_int32_t)_dc_quant+15>>5); + oc_idct8x8_1_v6(_dct_coeffs+64,p); + } + else{ + /*First, dequantize the DC coefficient.*/ + _dct_coeffs[0]=(ogg_int16_t)(_dct_coeffs[0]*(int)_dc_quant); + oc_idct8x8_v6(_dct_coeffs+64,_dct_coeffs,_last_zzi); + } + /*Fill in the target buffer.*/ + frag_buf_off=_state->frag_buf_offs[_fragi]; + refi=_state->frags[_fragi].refi; + ystride=_state->ref_ystride[_pli]; + dst=_state->ref_frame_data[OC_FRAME_SELF]+frag_buf_off; + if(refi==OC_FRAME_SELF)oc_frag_recon_intra_v6(dst,ystride,_dct_coeffs+64); + else{ + const unsigned char *ref; + int mvoffsets[2]; + ref=_state->ref_frame_data[refi]+frag_buf_off; + if(oc_state_get_mv_offsets(_state,mvoffsets,_pli, + _state->frag_mvs[_fragi])>1){ + oc_frag_recon_inter2_v6(dst,ref+mvoffsets[0],ref+mvoffsets[1],ystride, + _dct_coeffs+64); + } + else oc_frag_recon_inter_v6(dst,ref+mvoffsets[0],ystride,_dct_coeffs+64); + } +} + +# if defined(OC_ARM_ASM_NEON) +void oc_state_frag_recon_neon(const oc_theora_state *_state,ptrdiff_t _fragi, + int _pli,ogg_int16_t _dct_coeffs[128],int _last_zzi,ogg_uint16_t _dc_quant){ + unsigned char *dst; + ptrdiff_t frag_buf_off; + int ystride; + int refi; + /*Apply the inverse transform.*/ + /*Special case only having a DC component.*/ + if(_last_zzi<2){ + ogg_uint16_t p; + /*We round this dequant product (and not any of the others) because there's + no iDCT rounding.*/ + p=(ogg_uint16_t)(_dct_coeffs[0]*(ogg_int32_t)_dc_quant+15>>5); + oc_idct8x8_1_neon(_dct_coeffs+64,p); + } + else{ + /*First, dequantize the DC coefficient.*/ + _dct_coeffs[0]=(ogg_int16_t)(_dct_coeffs[0]*(int)_dc_quant); + oc_idct8x8_neon(_dct_coeffs+64,_dct_coeffs,_last_zzi); + } + /*Fill in the target buffer.*/ + frag_buf_off=_state->frag_buf_offs[_fragi]; + refi=_state->frags[_fragi].refi; + ystride=_state->ref_ystride[_pli]; + dst=_state->ref_frame_data[OC_FRAME_SELF]+frag_buf_off; + if(refi==OC_FRAME_SELF)oc_frag_recon_intra_neon(dst,ystride,_dct_coeffs+64); + else{ + const unsigned char *ref; + int mvoffsets[2]; + ref=_state->ref_frame_data[refi]+frag_buf_off; + if(oc_state_get_mv_offsets(_state,mvoffsets,_pli, + _state->frag_mvs[_fragi])>1){ + oc_frag_recon_inter2_neon(dst,ref+mvoffsets[0],ref+mvoffsets[1],ystride, + _dct_coeffs+64); + } + else oc_frag_recon_inter_neon(dst,ref+mvoffsets[0],ystride,_dct_coeffs+64); + } +} +# endif +# endif + +#endif |