diff options
author | Timothy B. Terriberry <tterribe@xiph.org> | 2007-12-03 03:51:29 +0300 |
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committer | Jean-Marc Valin <Jean-Marc.Valin@csiro.au> | 2007-12-03 03:51:29 +0300 |
commit | c4541ae786b4d7f39bca6779fee55225b26307d0 (patch) | |
tree | bd218a045e40360fd062fd2a6d9f46a70ab92a73 /libcelt/cwrs.h | |
parent | 7f4701383bc16ccf1808e5fee0b6cea25563bb22 (diff) |
Code for converting back and forth between pulse vectors and the correspondig
VQ index.
Diffstat (limited to 'libcelt/cwrs.h')
-rw-r--r-- | libcelt/cwrs.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libcelt/cwrs.h b/libcelt/cwrs.h new file mode 100644 index 0000000..8eae063 --- /dev/null +++ b/libcelt/cwrs.h @@ -0,0 +1,46 @@ +/* (C) 2007 Timothy Terriberry +*/ +/* + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + - Neither the name of the Xiph.org Foundation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef CWRS_H +#define CWRS_H + + +unsigned ncwrs(int _n,int _m); + +void cwrsi(int _n,int _m,unsigned _i,int *_x,int *_s); + +unsigned icwrs(int _n,int _m,const int *_x,const int *_s); + +void comb2pulse(int _n,int _m,int *_y,const int *_x,const int *_s); + +void pulse2comb(int _n,int _m,int *_x,int *_s,const int *_y); + +#endif /* CWRS_H */ |