Coverage Report

Created: 2018-09-25 14:53

/src/mozilla-central/media/libtheora/lib/fragment.c
Line
Count
Source (jump to first uncovered line)
1
/********************************************************************
2
 *                                                                  *
3
 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
4
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
5
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
6
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
7
 *                                                                  *
8
 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *
9
 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
10
 *                                                                  *
11
 ********************************************************************
12
13
  function:
14
    last mod: $Id: fragment.c 17410 2010-09-21 21:53:48Z tterribe $
15
16
 ********************************************************************/
17
#include <string.h>
18
#include "internal.h"
19
20
0
void oc_frag_copy_c(unsigned char *_dst,const unsigned char *_src,int _ystride){
21
0
  int i;
22
0
  for(i=8;i-->0;){
23
0
    memcpy(_dst,_src,8*sizeof(*_dst));
24
0
    _dst+=_ystride;
25
0
    _src+=_ystride;
26
0
  }
27
0
}
28
29
/*Copies the fragments specified by the lists of fragment indices from one
30
   frame to another.
31
  _dst_frame:     The reference frame to copy to.
32
  _src_frame:     The reference frame to copy from.
33
  _ystride:       The row stride of the reference frames.
34
  _fragis:        A pointer to a list of fragment indices.
35
  _nfragis:       The number of fragment indices to copy.
36
  _frag_buf_offs: The offsets of fragments in the reference frames.*/
37
void oc_frag_copy_list_c(unsigned char *_dst_frame,
38
 const unsigned char *_src_frame,int _ystride,
39
0
 const ptrdiff_t *_fragis,ptrdiff_t _nfragis,const ptrdiff_t *_frag_buf_offs){
40
0
  ptrdiff_t fragii;
41
0
  for(fragii=0;fragii<_nfragis;fragii++){
42
0
    ptrdiff_t frag_buf_off;
43
0
    frag_buf_off=_frag_buf_offs[_fragis[fragii]];
44
0
    oc_frag_copy_c(_dst_frame+frag_buf_off,
45
0
     _src_frame+frag_buf_off,_ystride);
46
0
  }
47
0
}
48
49
void oc_frag_recon_intra_c(unsigned char *_dst,int _ystride,
50
0
 const ogg_int16_t _residue[64]){
51
0
  int i;
52
0
  for(i=0;i<8;i++){
53
0
    int j;
54
0
    for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+128);
55
0
    _dst+=_ystride;
56
0
  }
57
0
}
58
59
void oc_frag_recon_inter_c(unsigned char *_dst,
60
0
 const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]){
61
0
  int i;
62
0
  for(i=0;i<8;i++){
63
0
    int j;
64
0
    for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+_src[j]);
65
0
    _dst+=_ystride;
66
0
    _src+=_ystride;
67
0
  }
68
0
}
69
70
void oc_frag_recon_inter2_c(unsigned char *_dst,const unsigned char *_src1,
71
0
 const unsigned char *_src2,int _ystride,const ogg_int16_t _residue[64]){
72
0
  int i;
73
0
  for(i=0;i<8;i++){
74
0
    int j;
75
0
    for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+(_src1[j]+_src2[j]>>1));
76
0
    _dst+=_ystride;
77
0
    _src1+=_ystride;
78
0
    _src2+=_ystride;
79
0
  }
80
0
}
81
82
0
void oc_restore_fpu_c(void){}