本文整理汇总了C#中csogg.csBuffer类的典型用法代码示例。如果您正苦于以下问题：C# csBuffer类的具体用法？C# csBuffer怎么用？C# csBuffer使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
csBuffer类属于csogg命名空间，在下文中一共展示了csBuffer类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: pack
override public void pack(Object vr, csBuffer opb)
{
InfoResidue0 info=(InfoResidue0)vr;
int acc=0;
opb.write(info.begin,24);
opb.write(info.end,24);
opb.write(info.grouping-1,24); /* residue vectors to group and
code with a partitioned book */
opb.write(info.partitions-1,6); /* possible partition choices */
opb.write(info.groupbook,8); /* group huffman book */
/* secondstages is a bitmask; as encoding progresses pass by pass, a
bitmask of one indicates this partition class has bits to write
this pass */
for(int j=0;j<info.partitions;j++)
{
if(ilog(info.secondstages[j])>3)
{
/* yes, this is a minor hack due to not thinking ahead */
opb.write(info.secondstages[j],3);
opb.write(1,1);
opb.write(info.secondstages[j] >> 3,5);
}
else
{
opb.write(info.secondstages[j],4); /* trailing zero */
}
acc+=icount(info.secondstages[j]);
}
for(int j=0;j<acc;j++)
{
opb.write(info.booklist[j],8);
}
}示例2: unpack
override public Object unpack(Info vi , csBuffer opb)
{
InfoFloor0 info=new InfoFloor0();
info.order=opb.read(8);
info.rate=opb.read(16);
info.barkmap=opb.read(16);
info.ampbits=opb.read(6);
info.ampdB=opb.read(8);
info.numbooks=opb.read(4)+1;
if((info.order<1)||
(info.rate<1)||
(info.barkmap<1)||
(info.numbooks<1))
{
//free_info(info);
return(null);
}
for(int j=0;j<info.numbooks;j++)
{
info.books[j]=opb.read(8);
if(info.books[j]<0 || info.books[j]>=vi.books)
{
//free_info(info);
return(null);
}
}
return(info);
// err_out:
// free_info(info);
// return(NULL);
}示例3: encodev
// returns the number of bits and *modifies a* to the quantization value
internal int encodev(int best, float[] a, csBuffer b)
{
for(int k=0;k<dim;k++)
{
a[k]=valuelist[best*dim+k];
}
return(encode(best,b));
}示例4: pack
override public void pack(Object i, csBuffer opb)
{
InfoFloor0 info=(InfoFloor0)i;
opb.write(info.order,8);
opb.write(info.rate,16);
opb.write(info.barkmap,16);
opb.write(info.ampbits,6);
opb.write(info.ampdB,8);
opb.write(info.numbooks-1,4);
for(int j=0;j<info.numbooks;j++)
opb.write(info.books[j],8);
}示例5: pack
override public void pack(Info vi, Object imap, csBuffer opb)
{
InfoMapping0 info=(InfoMapping0)imap;
/* another 'we meant to do it this way' hack... up to beta 4, we
packed 4 binary zeros here to signify one submapping in use. We
now redefine that to mean four bitflags that indicate use of
deeper features; bit0:submappings, bit1:coupling,
bit2,3:reserved. This is backward compatable with all actual uses
of the beta code. */
if(info.submaps>1)
{
opb.write(1,1);
opb.write(info.submaps-1,4);
}
else
{
opb.write(0,1);
}
if(info.coupling_steps>0)
{
opb.write(1,1);
opb.write(info.coupling_steps-1,8);
for(int i=0;i<info.coupling_steps;i++)
{
opb.write(info.coupling_mag[i],ilog2(vi.channels));
opb.write(info.coupling_ang[i],ilog2(vi.channels));
}
}
else
{
opb.write(0,1);
}
opb.write(0,2); /* 2,3:reserved */
/* we don't write the channel submappings if we only have one... */
if(info.submaps>1)
{
for(int i=0;i<vi.channels;i++)
opb.write(info.chmuxlist[i],4);
}
for(int i=0;i<info.submaps;i++)
{
opb.write(info.timesubmap[i],8);
opb.write(info.floorsubmap[i],8);
opb.write(info.residuesubmap[i],8);
}
}示例6: header_out
public int header_out(Packet op)
{
csBuffer opb=new csBuffer();
opb.writeinit();
if(pack(opb)!=0) return OV_EIMPL;
op.packet_base = new byte[opb.bytes()];
op.packet=0;
op.bytes=opb.bytes();
Array.Copy(opb.buf(), 0, op.packet_base, 0, op.bytes);
op.b_o_s=0;
op.e_o_s=0;
op.granulepos=0;
return 0;
}示例7: unpack
override public Object unpack(Info vi, csBuffer opb)
{
int acc=0;
InfoResidue0 info=new InfoResidue0();
info.begin=opb.read(24);
info.end=opb.read(24);
info.grouping=opb.read(24)+1;
info.partitions=opb.read(6)+1;
info.groupbook=opb.read(8);
for(int j=0;j<info.partitions;j++)
{
int cascade=opb.read(3);
if(opb.read(1)!=0)
{
cascade|=(opb.read(5)<<3);
}
info.secondstages[j]=cascade;
acc+=icount(cascade);
}
for(int j=0;j<acc;j++)
{
info.booklist[j]=opb.read(8);
// if(info.booklist[j]==255)info.booklist[j]=-1;
}
if(info.groupbook>=vi.books)
{
free_info(info);
return(null);
}
for(int j=0;j<acc;j++)
{
if(info.booklist[j]>=vi.books)
{
free_info(info);
return(null);
}
}
return(info);
// errout:
// free_info(info);
// return(NULL);
}示例8: pack
override public void pack(Object i, csBuffer opb)
{
InfoFloor1 info=(InfoFloor1)i;
int count=0;
int rangebits;
int maxposit=info.postlist[1];
int maxclass=-1;
/* save out partitions */
opb.write(info.partitions,5); /* only 0 to 31 legal */
for(int j=0;j<info.partitions;j++)
{
opb.write(info.partitionclass[j],4); /* only 0 to 15 legal */
if(maxclass<info.partitionclass[j])
maxclass=info.partitionclass[j];
}
/* save out partition classes */
for(int j=0;j<maxclass+1;j++)
{
opb.write(info.class_dim[j]-1,3); /* 1 to 8 */
opb.write(info.class_subs[j],2); /* 0 to 3 */
if(info.class_subs[j]!=0)
{
opb.write(info.class_book[j],8);
}
for(int k=0;k<(1<<info.class_subs[j]);k++)
{
opb.write(info.class_subbook[j][k]+1,8);
}
}
/* save out the post list */
opb.write(info.mult-1,2); /* only 1,2,3,4 legal now */
opb.write(ilog2(maxposit),4);
rangebits=ilog2(maxposit);
for(int j=0,k=0;j<info.partitions;j++)
{
count+=info.class_dim[info.partitionclass[j]];
for(;k<count;k++)
{
opb.write(info.postlist[k+2],rangebits);
}
}
}示例9: unpack
public override Object unpack(Info vi , csBuffer opb)
{
return "";
}示例10: unpack
/*
*/
// unpacks a codebook from the packet buffer into the codebook struct,
// readies the codebook auxiliary structures for decode
internal int unpack(csBuffer opb)
{
int i;
//memset(s,0,sizeof(static_codebook));
// make sure alignment is correct
if(opb.read(24)!=0x564342)
{
// goto _eofout;
clear();
return(-1);
}
// first the basic parameters
dim=opb.read(16);
entries=opb.read(24);
if(entries==-1)
{
// goto _eofout;
clear();
return(-1);
}
// codeword ordering.... length ordered or unordered?
switch(opb.read(1))
{
case 0:
// unordered
lengthlist=new int[entries];
// allocated but unused entries?
if(opb.read(1)!=0)
{
// yes, unused entries
for(i=0;i<entries;i++)
{
if(opb.read(1)!=0)
{
int num=opb.read(5);
if(num==-1)
{
// goto _eofout;
clear();
return(-1);
}
lengthlist[i]=num+1;
}
else
{
lengthlist[i]=0;
}
}
}
else
{
// all entries used; no tagging
for(i=0;i<entries;i++)
{
int num=opb.read(5);
if(num==-1)
{
// goto _eofout;
clear();
return(-1);
}
lengthlist[i]=num+1;
}
}
break;
case 1:
// ordered
{
int length=opb.read(5)+1;
lengthlist=new int[entries];
for(i=0;i<entries;)
{
int num=opb.read(ilog(entries-i));
if(num==-1)
{
// goto _eofout;
clear();
return(-1);
}
for(int j=0;j<num;j++,i++)
{
lengthlist[i]=length;
}
length++;
}
}
break;
default:
// EOF
return(-1);
//.........这里部分代码省略.........
示例11: pack
public override void pack(Object i, csBuffer opb)
{
}示例12: encodevs
// res0 (multistage, interleave, lattice)
// returns the number of bits and *modifies a* to the remainder value
internal int encodevs(float[] a, csBuffer b, int step,int addmul)
{
int best=besterror(a,step,addmul);
return(encode(best,b));
}示例13: pack
internal int pack(csBuffer opb)
{
int i;
bool ordered=false;
opb.write(0x564342,24);
opb.write(dim, 16);
opb.write(entries, 24);
// pack the codewords. There are two packings; length ordered and
// length random. Decide between the two now.
for(i=1;i<entries;i++)
{
if(lengthlist[i]<lengthlist[i-1])break;
}
if(i==entries)ordered=true;
if(ordered)
{
// length ordered. We only need to say how many codewords of
// each length. The actual codewords are generated
// deterministically
int count=0;
opb.write(1,1); // ordered
opb.write(lengthlist[0]-1,5); // 1 to 32
for(i=1;i<entries;i++)
{
int _this=lengthlist[i];
int _last=lengthlist[i-1];
if(_this>_last)
{
for(int j=_last;j<_this;j++)
{
opb.write(i-count,ilog(entries-count));
count=i;
}
}
}
opb.write(i-count,ilog(entries-count));
}
else
{
// length random. Again, we don't code the codeword itself, just
// the length. This time, though, we have to encode each length
opb.write(0,1); // unordered
// algortihmic mapping has use for 'unused entries', which we tag
// here. The algorithmic mapping happens as usual, but the unused
// entry has no codeword.
for(i=0;i<entries;i++)
{
if(lengthlist[i]==0)break;
}
if(i==entries)
{
opb.write(0,1); // no unused entries
for(i=0;i<entries;i++)
{
opb.write(lengthlist[i]-1,5);
}
}
else
{
opb.write(1,1); // we have unused entries; thus we tag
for(i=0;i<entries;i++)
{
if(lengthlist[i]==0)
{
opb.write(0,1);
}
else
{
opb.write(1,1);
opb.write(lengthlist[i]-1,5);
}
}
}
}
// is the entry number the desired return value, or do we have a
// mapping? If we have a mapping, what type?
opb.write(maptype,4);
switch(maptype)
{
case 0:
// no mapping
break;
case 1:
case 2:
// implicitly populated value mapping
// explicitly populated value mapping
if(quantlist==null)
{
// no quantlist? error
return(-1);
}
//.........这里部分代码省略.........
示例14: pack
int pack(csBuffer opb)
{
String temp="Xiphophorus libVorbis I 20000508";
Encoding AE = Encoding.UTF8;
byte[] temp_byt = AE.GetBytes(temp);
byte[] _vorbis_byt = AE.GetBytes(_vorbis);
// preamble
opb.write(0x03,8);
opb.write(_vorbis_byt);
// vendor
opb.write(temp.Length,32);
opb.write(temp_byt);
// comments
opb.write(comments,32);
if(comments!=0)
{
for(int i=0;i<comments;i++)
{
if(user_comments[i]!=null)
{
opb.write(comment_lengths[i],32);
opb.write(user_comments[i]);
}
else
{
opb.write(0,32);
}
}
}
opb.write(1,1);
return(0);
}示例15: unpack_books
// all of the real encoding details are here. The modes, books,
// everything
int unpack_books(csBuffer opb)
{
//d* codebooks
books=opb.read(8)+1;
if(book_param==null || book_param.Length!=books)
book_param=new StaticCodeBook[books];
for(int i=0;i<books;i++)
{
book_param[i]=new StaticCodeBook();
if(book_param[i].unpack(opb)!=0)
{
//goto err_out;
clear();
return(-1);
}
}
// time backend settings
times=opb.read(6)+1;
if(time_type==null || time_type.Length!=times) time_type=new int[times];
if(time_param==null || time_param.Length!=times)
time_param=new Object[times];
for(int i=0;i<times;i++)
{
time_type[i]=opb.read(16);
if(time_type[i]<0 || time_type[i]>=VI_TIMEB)
{
//goto err_out;
clear();
return(-1);
}
time_param[i]=FuncTime.time_P[time_type[i]].unpack(this, opb);
if(time_param[i]==null)
{
//goto err_out;
clear();
return(-1);
}
}
// floor backend settings
floors=opb.read(6)+1;
if(floor_type==null || floor_type.Length!=floors)
floor_type=new int[floors];
if(floor_param==null || floor_param.Length!=floors)
floor_param=new Object[floors];
for(int i=0;i<floors;i++)
{
floor_type[i]=opb.read(16);
if(floor_type[i]<0 || floor_type[i]>=VI_FLOORB)
{
//goto err_out;
clear();
return(-1);
}
floor_param[i]=FuncFloor.floor_P[floor_type[i]].unpack(this,opb);
if(floor_param[i]==null)
{
//goto err_out;
clear();
return(-1);
}
}
// residue backend settings
residues=opb.read(6)+1;
if(residue_type==null || residue_type.Length!=residues)
residue_type=new int[residues];
if(residue_param==null || residue_param.Length!=residues)
residue_param=new Object[residues];
for(int i=0;i<residues;i++)
{
residue_type[i]=opb.read(16);
if(residue_type[i]<0 || residue_type[i]>=VI_RESB)
{
// goto err_out;
clear();
return(-1);
}
residue_param[i]=FuncResidue.residue_P[residue_type[i]].unpack(this,opb);
if(residue_param[i]==null)
{
// goto err_out;
clear();
return(-1);
}
}
// map backend settings
maps=opb.read(6)+1;
if(map_type==null || map_type.Length!=maps) map_type=new int[maps];
//.........这里部分代码省略.........