ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavcodec/lpc.h

 /**
  * LPC utility code
  * Copyright (c) 2006  Justin Ruggles <justin.ruggles@gmail.com>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
@@ skipping 27 matching lines @@
 
 /**
  * Calculate LPC coefficients for multiple orders
  */
 int ff_lpc_calc_coefs(DSPContext *s,
                       const int32_t *samples, int blocksize, int min_order,
                       int max_order, int precision,
                       int32_t coefs[][MAX_LPC_ORDER], int *shift, int use_lpc,
                       int omethod, int max_shift, int zero_shift);
 
+void ff_lpc_compute_autocorr(const int32_t *data, int len, int lag,
+                             double *autoc);
+
 #ifdef LPC_USE_DOUBLE
 #define LPC_TYPE double
 #else
 #define LPC_TYPE float
 #endif
 
 /**
  * Levinson-Durbin recursion.
  * Produces LPC coefficients from autocorrelation data.
  */
@@ skipping 35 matching lines @@
             return -1;
 
         lpc_last = lpc;
         lpc += lpc_stride;
     }
 
     return 0;
 }
 
 #endif /* AVCODEC_LPC_H */