From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- media/libtheora/lib/fragment.c | 82 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 media/libtheora/lib/fragment.c (limited to 'media/libtheora/lib/fragment.c') diff --git a/media/libtheora/lib/fragment.c b/media/libtheora/lib/fragment.c new file mode 100644 index 0000000000..14c38be507 --- /dev/null +++ b/media/libtheora/lib/fragment.c @@ -0,0 +1,82 @@ +/******************************************************************** + * * + * 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: $Id$ + + ********************************************************************/ +#include +#include "internal.h" + +void oc_frag_copy_c(unsigned char *_dst,const unsigned char *_src,int _ystride){ + int i; + for(i=8;i-->0;){ + memcpy(_dst,_src,8*sizeof(*_dst)); + _dst+=_ystride; + _src+=_ystride; + } +} + +/*Copies the fragments specified by the lists of fragment indices from one + frame to another. + _dst_frame: The reference frame to copy to. + _src_frame: The reference frame to copy from. + _ystride: The row stride of the reference frames. + _fragis: A pointer to a list of fragment indices. + _nfragis: The number of fragment indices to copy. + _frag_buf_offs: The offsets of fragments in the reference frames.*/ +void oc_frag_copy_list_c(unsigned char *_dst_frame, + const unsigned char *_src_frame,int _ystride, + const ptrdiff_t *_fragis,ptrdiff_t _nfragis,const ptrdiff_t *_frag_buf_offs){ + ptrdiff_t fragii; + for(fragii=0;fragii<_nfragis;fragii++){ + ptrdiff_t frag_buf_off; + frag_buf_off=_frag_buf_offs[_fragis[fragii]]; + oc_frag_copy_c(_dst_frame+frag_buf_off, + _src_frame+frag_buf_off,_ystride); + } +} + +void oc_frag_recon_intra_c(unsigned char *_dst,int _ystride, + const ogg_int16_t _residue[64]){ + int i; + for(i=0;i<8;i++){ + int j; + for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+128); + _dst+=_ystride; + } +} + +void oc_frag_recon_inter_c(unsigned char *_dst, + const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]){ + int i; + for(i=0;i<8;i++){ + int j; + for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+_src[j]); + _dst+=_ystride; + _src+=_ystride; + } +} + +void oc_frag_recon_inter2_c(unsigned char *_dst,const unsigned char *_src1, + const unsigned char *_src2,int _ystride,const ogg_int16_t _residue[64]){ + int i; + for(i=0;i<8;i++){ + int j; + for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+(_src1[j]+_src2[j]>>1)); + _dst+=_ystride; + _src1+=_ystride; + _src2+=_ystride; + } +} + +void oc_restore_fpu_c(void){} -- cgit v1.2.3