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88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
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* by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
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* *
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********************************************************************
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function:
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last mod: $Id: fragment.c 16503 2009-08-22 18:14:02Z giles $
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********************************************************************/
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#include <string.h>
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#include "internal.h"
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void oc_frag_copy(const oc_theora_state *_state,unsigned char *_dst,
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const unsigned char *_src,int _ystride){
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(*_state->opt_vtable.frag_copy)(_dst,_src,_ystride);
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}
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void oc_frag_copy_c(unsigned char *_dst,const unsigned char *_src,int _ystride){
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int i;
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for(i=8;i-->0;){
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memcpy(_dst,_src,8*sizeof(*_dst));
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_dst+=_ystride;
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_src+=_ystride;
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}
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}
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void oc_frag_recon_intra(const oc_theora_state *_state,unsigned char *_dst,
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int _ystride,const ogg_int16_t _residue[64]){
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_state->opt_vtable.frag_recon_intra(_dst,_ystride,_residue);
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}
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void oc_frag_recon_intra_c(unsigned char *_dst,int _ystride,
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const ogg_int16_t _residue[64]){
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int i;
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for(i=0;i<8;i++){
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int j;
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for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+128);
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_dst+=_ystride;
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}
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}
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void oc_frag_recon_inter(const oc_theora_state *_state,unsigned char *_dst,
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const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]){
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_state->opt_vtable.frag_recon_inter(_dst,_src,_ystride,_residue);
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}
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void oc_frag_recon_inter_c(unsigned char *_dst,
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const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]){
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int i;
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for(i=0;i<8;i++){
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int j;
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for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+_src[j]);
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_dst+=_ystride;
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_src+=_ystride;
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}
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}
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void oc_frag_recon_inter2(const oc_theora_state *_state,unsigned char *_dst,
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const unsigned char *_src1,const unsigned char *_src2,int _ystride,
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const ogg_int16_t _residue[64]){
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_state->opt_vtable.frag_recon_inter2(_dst,_src1,_src2,_ystride,_residue);
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}
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void oc_frag_recon_inter2_c(unsigned char *_dst,const unsigned char *_src1,
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const unsigned char *_src2,int _ystride,const ogg_int16_t _residue[64]){
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int i;
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for(i=0;i<8;i++){
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int j;
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for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+(_src1[j]+_src2[j]>>1));
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_dst+=_ystride;
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_src1+=_ystride;
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_src2+=_ystride;
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}
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}
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void oc_restore_fpu(const oc_theora_state *_state){
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_state->opt_vtable.restore_fpu();
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}
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void oc_restore_fpu_c(void){}
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