shithub: opus

ref: 3f382caeb4f237ef4c6c36ae8f57c4e31ad90aa9
dir: /libcelt/rate.h/

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/* (C) 2007 Jean-Marc Valin, CSIRO
*/
/*
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   modification, are permitted provided that the following conditions
   are met:
   
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   notice, this list of conditions and the following disclaimer.
   
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   notice, this list of conditions and the following disclaimer in the
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   - 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,
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*/

#ifndef RATE_H
#define RATE_H

/** Computes a cache of the pulses->bits mapping in each band */
void compute_alloc_cache(CELTMode *m);

/** Compute the pulse allocation, i.e. how many pulses will go in each
  * band. 
 @param m mode
 @param offsets Requested increase or decrease in the number of bits for
                each band
 @param total Number of bands
 @param pulses Number of pulses per band (returned)
 @return Total number of bits allocated
*/
int compute_allocation(const CELTMode *m, int *offsets, int total, int *pulses);


#endif