diff options
Diffstat (limited to 'Libraries/libtheora-1.1.1/lib/encfrag.c')
-rw-r--r-- | Libraries/libtheora-1.1.1/lib/encfrag.c | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/Libraries/libtheora-1.1.1/lib/encfrag.c b/Libraries/libtheora-1.1.1/lib/encfrag.c deleted file mode 100644 index bb814c8e..00000000 --- a/Libraries/libtheora-1.1.1/lib/encfrag.c +++ /dev/null @@ -1,388 +0,0 @@ -/******************************************************************** - * * - * 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 http://www.xiph.org/ * - * * - ******************************************************************** - - function: - last mod: $Id: encfrag.c 16503 2009-08-22 18:14:02Z giles $ - - ********************************************************************/ -#include <stdlib.h> -#include <string.h> -#include "encint.h" - - -void oc_enc_frag_sub(const oc_enc_ctx *_enc,ogg_int16_t _diff[64], - const unsigned char *_src,const unsigned char *_ref,int _ystride){ - (*_enc->opt_vtable.frag_sub)(_diff,_src,_ref,_ystride); -} - -void oc_enc_frag_sub_c(ogg_int16_t _diff[64],const unsigned char *_src, - const unsigned char *_ref,int _ystride){ - int i; - for(i=0;i<8;i++){ - int j; - for(j=0;j<8;j++)_diff[i*8+j]=(ogg_int16_t)(_src[j]-_ref[j]); - _src+=_ystride; - _ref+=_ystride; - } -} - -void oc_enc_frag_sub_128(const oc_enc_ctx *_enc,ogg_int16_t _diff[64], - const unsigned char *_src,int _ystride){ - (*_enc->opt_vtable.frag_sub_128)(_diff,_src,_ystride); -} - -void oc_enc_frag_sub_128_c(ogg_int16_t *_diff, - const unsigned char *_src,int _ystride){ - int i; - for(i=0;i<8;i++){ - int j; - for(j=0;j<8;j++)_diff[i*8+j]=(ogg_int16_t)(_src[j]-128); - _src+=_ystride; - } -} - -unsigned oc_enc_frag_sad(const oc_enc_ctx *_enc,const unsigned char *_x, - const unsigned char *_y,int _ystride){ - return (*_enc->opt_vtable.frag_sad)(_x,_y,_ystride); -} - -unsigned oc_enc_frag_sad_c(const unsigned char *_src, - const unsigned char *_ref,int _ystride){ - unsigned sad; - int i; - sad=0; - for(i=8;i-->0;){ - int j; - for(j=0;j<8;j++)sad+=abs(_src[j]-_ref[j]); - _src+=_ystride; - _ref+=_ystride; - } - return sad; -} - -unsigned oc_enc_frag_sad_thresh(const oc_enc_ctx *_enc, - const unsigned char *_src,const unsigned char *_ref,int _ystride, - unsigned _thresh){ - return (*_enc->opt_vtable.frag_sad_thresh)(_src,_ref,_ystride,_thresh); -} - -unsigned oc_enc_frag_sad_thresh_c(const unsigned char *_src, - const unsigned char *_ref,int _ystride,unsigned _thresh){ - unsigned sad; - int i; - sad=0; - for(i=8;i-->0;){ - int j; - for(j=0;j<8;j++)sad+=abs(_src[j]-_ref[j]); - if(sad>_thresh)break; - _src+=_ystride; - _ref+=_ystride; - } - return sad; -} - -unsigned oc_enc_frag_sad2_thresh(const oc_enc_ctx *_enc, - const unsigned char *_src,const unsigned char *_ref1, - const unsigned char *_ref2,int _ystride,unsigned _thresh){ - return (*_enc->opt_vtable.frag_sad2_thresh)(_src,_ref1,_ref2,_ystride, - _thresh); -} - -unsigned oc_enc_frag_sad2_thresh_c(const unsigned char *_src, - const unsigned char *_ref1,const unsigned char *_ref2,int _ystride, - unsigned _thresh){ - unsigned sad; - int i; - sad=0; - for(i=8;i-->0;){ - int j; - for(j=0;j<8;j++)sad+=abs(_src[j]-(_ref1[j]+_ref2[j]>>1)); - if(sad>_thresh)break; - _src+=_ystride; - _ref1+=_ystride; - _ref2+=_ystride; - } - return sad; -} - -static void oc_diff_hadamard(ogg_int16_t _buf[64],const unsigned char *_src, - const unsigned char *_ref,int _ystride){ - int i; - for(i=0;i<8;i++){ - int t0; - int t1; - int t2; - int t3; - int t4; - int t5; - int t6; - int t7; - int r; - /*Hadamard stage 1:*/ - t0=_src[0]-_ref[0]+_src[4]-_ref[4]; - t4=_src[0]-_ref[0]-_src[4]+_ref[4]; - t1=_src[1]-_ref[1]+_src[5]-_ref[5]; - t5=_src[1]-_ref[1]-_src[5]+_ref[5]; - t2=_src[2]-_ref[2]+_src[6]-_ref[6]; - t6=_src[2]-_ref[2]-_src[6]+_ref[6]; - t3=_src[3]-_ref[3]+_src[7]-_ref[7]; - t7=_src[3]-_ref[3]-_src[7]+_ref[7]; - /*Hadamard stage 2:*/ - r=t0; - t0+=t2; - t2=r-t2; - r=t1; - t1+=t3; - t3=r-t3; - r=t4; - t4+=t6; - t6=r-t6; - r=t5; - t5+=t7; - t7=r-t7; - /*Hadamard stage 3:*/ - _buf[0*8+i]=(ogg_int16_t)(t0+t1); - _buf[1*8+i]=(ogg_int16_t)(t0-t1); - _buf[2*8+i]=(ogg_int16_t)(t2+t3); - _buf[3*8+i]=(ogg_int16_t)(t2-t3); - _buf[4*8+i]=(ogg_int16_t)(t4+t5); - _buf[5*8+i]=(ogg_int16_t)(t4-t5); - _buf[6*8+i]=(ogg_int16_t)(t6+t7); - _buf[7*8+i]=(ogg_int16_t)(t6-t7); - _src+=_ystride; - _ref+=_ystride; - } -} - -static void oc_diff_hadamard2(ogg_int16_t _buf[64],const unsigned char *_src, - const unsigned char *_ref1,const unsigned char *_ref2,int _ystride){ - int i; - for(i=0;i<8;i++){ - int t0; - int t1; - int t2; - int t3; - int t4; - int t5; - int t6; - int t7; - int r; - /*Hadamard stage 1:*/ - r=_ref1[0]+_ref2[0]>>1; - t4=_ref1[4]+_ref2[4]>>1; - t0=_src[0]-r+_src[4]-t4; - t4=_src[0]-r-_src[4]+t4; - r=_ref1[1]+_ref2[1]>>1; - t5=_ref1[5]+_ref2[5]>>1; - t1=_src[1]-r+_src[5]-t5; - t5=_src[1]-r-_src[5]+t5; - r=_ref1[2]+_ref2[2]>>1; - t6=_ref1[6]+_ref2[6]>>1; - t2=_src[2]-r+_src[6]-t6; - t6=_src[2]-r-_src[6]+t6; - r=_ref1[3]+_ref2[3]>>1; - t7=_ref1[7]+_ref2[7]>>1; - t3=_src[3]-r+_src[7]-t7; - t7=_src[3]-r-_src[7]+t7; - /*Hadamard stage 2:*/ - r=t0; - t0+=t2; - t2=r-t2; - r=t1; - t1+=t3; - t3=r-t3; - r=t4; - t4+=t6; - t6=r-t6; - r=t5; - t5+=t7; - t7=r-t7; - /*Hadamard stage 3:*/ - _buf[0*8+i]=(ogg_int16_t)(t0+t1); - _buf[1*8+i]=(ogg_int16_t)(t0-t1); - _buf[2*8+i]=(ogg_int16_t)(t2+t3); - _buf[3*8+i]=(ogg_int16_t)(t2-t3); - _buf[4*8+i]=(ogg_int16_t)(t4+t5); - _buf[5*8+i]=(ogg_int16_t)(t4-t5); - _buf[6*8+i]=(ogg_int16_t)(t6+t7); - _buf[7*8+i]=(ogg_int16_t)(t6-t7); - _src+=_ystride; - _ref1+=_ystride; - _ref2+=_ystride; - } -} - -static void oc_intra_hadamard(ogg_int16_t _buf[64],const unsigned char *_src, - int _ystride){ - int i; - for(i=0;i<8;i++){ - int t0; - int t1; - int t2; - int t3; - int t4; - int t5; - int t6; - int t7; - int r; - /*Hadamard stage 1:*/ - t0=_src[0]+_src[4]; - t4=_src[0]-_src[4]; - t1=_src[1]+_src[5]; - t5=_src[1]-_src[5]; - t2=_src[2]+_src[6]; - t6=_src[2]-_src[6]; - t3=_src[3]+_src[7]; - t7=_src[3]-_src[7]; - /*Hadamard stage 2:*/ - r=t0; - t0+=t2; - t2=r-t2; - r=t1; - t1+=t3; - t3=r-t3; - r=t4; - t4+=t6; - t6=r-t6; - r=t5; - t5+=t7; - t7=r-t7; - /*Hadamard stage 3:*/ - _buf[0*8+i]=(ogg_int16_t)(t0+t1); - _buf[1*8+i]=(ogg_int16_t)(t0-t1); - _buf[2*8+i]=(ogg_int16_t)(t2+t3); - _buf[3*8+i]=(ogg_int16_t)(t2-t3); - _buf[4*8+i]=(ogg_int16_t)(t4+t5); - _buf[5*8+i]=(ogg_int16_t)(t4-t5); - _buf[6*8+i]=(ogg_int16_t)(t6+t7); - _buf[7*8+i]=(ogg_int16_t)(t6-t7); - _src+=_ystride; - } -} - -unsigned oc_hadamard_sad_thresh(const ogg_int16_t _buf[64],unsigned _thresh){ - unsigned sad; - int t0; - int t1; - int t2; - int t3; - int t4; - int t5; - int t6; - int t7; - int r; - int i; - sad=0; - for(i=0;i<8;i++){ - /*Hadamard stage 1:*/ - t0=_buf[i*8+0]+_buf[i*8+4]; - t4=_buf[i*8+0]-_buf[i*8+4]; - t1=_buf[i*8+1]+_buf[i*8+5]; - t5=_buf[i*8+1]-_buf[i*8+5]; - t2=_buf[i*8+2]+_buf[i*8+6]; - t6=_buf[i*8+2]-_buf[i*8+6]; - t3=_buf[i*8+3]+_buf[i*8+7]; - t7=_buf[i*8+3]-_buf[i*8+7]; - /*Hadamard stage 2:*/ - r=t0; - t0+=t2; - t2=r-t2; - r=t1; - t1+=t3; - t3=r-t3; - r=t4; - t4+=t6; - t6=r-t6; - r=t5; - t5+=t7; - t7=r-t7; - /*Hadamard stage 3:*/ - r=abs(t0+t1); - r+=abs(t0-t1); - r+=abs(t2+t3); - r+=abs(t2-t3); - r+=abs(t4+t5); - r+=abs(t4-t5); - r+=abs(t6+t7); - r+=abs(t6-t7); - sad+=r; - if(sad>_thresh)break; - } - return sad; -} - -unsigned oc_enc_frag_satd_thresh(const oc_enc_ctx *_enc, - const unsigned char *_src,const unsigned char *_ref,int _ystride, - unsigned _thresh){ - return (*_enc->opt_vtable.frag_satd_thresh)(_src,_ref,_ystride,_thresh); -} - -unsigned oc_enc_frag_satd_thresh_c(const unsigned char *_src, - const unsigned char *_ref,int _ystride,unsigned _thresh){ - ogg_int16_t buf[64]; - oc_diff_hadamard(buf,_src,_ref,_ystride); - return oc_hadamard_sad_thresh(buf,_thresh); -} - -unsigned oc_enc_frag_satd2_thresh(const oc_enc_ctx *_enc, - const unsigned char *_src,const unsigned char *_ref1, - const unsigned char *_ref2,int _ystride,unsigned _thresh){ - return (*_enc->opt_vtable.frag_satd2_thresh)(_src,_ref1,_ref2,_ystride, - _thresh); -} - -unsigned oc_enc_frag_satd2_thresh_c(const unsigned char *_src, - const unsigned char *_ref1,const unsigned char *_ref2,int _ystride, - unsigned _thresh){ - ogg_int16_t buf[64]; - oc_diff_hadamard2(buf,_src,_ref1,_ref2,_ystride); - return oc_hadamard_sad_thresh(buf,_thresh); -} - -unsigned oc_enc_frag_intra_satd(const oc_enc_ctx *_enc, - const unsigned char *_src,int _ystride){ - return (*_enc->opt_vtable.frag_intra_satd)(_src,_ystride); -} - -unsigned oc_enc_frag_intra_satd_c(const unsigned char *_src,int _ystride){ - ogg_int16_t buf[64]; - oc_intra_hadamard(buf,_src,_ystride); - return oc_hadamard_sad_thresh(buf,UINT_MAX) - -abs(buf[0]+buf[1]+buf[2]+buf[3]+buf[4]+buf[5]+buf[6]+buf[7]); -} - -void oc_enc_frag_copy2(const oc_enc_ctx *_enc,unsigned char *_dst, - const unsigned char *_src1,const unsigned char *_src2,int _ystride){ - (*_enc->opt_vtable.frag_copy2)(_dst,_src1,_src2,_ystride); -} - -void oc_enc_frag_copy2_c(unsigned char *_dst, - const unsigned char *_src1,const unsigned char *_src2,int _ystride){ - int i; - int j; - for(i=8;i-->0;){ - for(j=0;j<8;j++)_dst[j]=_src1[j]+_src2[j]>>1; - _dst+=_ystride; - _src1+=_ystride; - _src2+=_ystride; - } -} - -void oc_enc_frag_recon_intra(const oc_enc_ctx *_enc, - unsigned char *_dst,int _ystride,const ogg_int16_t _residue[64]){ - (*_enc->opt_vtable.frag_recon_intra)(_dst,_ystride,_residue); -} - -void oc_enc_frag_recon_inter(const oc_enc_ctx *_enc,unsigned char *_dst, - const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]){ - (*_enc->opt_vtable.frag_recon_inter)(_dst,_src,_ystride,_residue); -} |