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27
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31
32 #include "SigProc_FIX.h"
33 #include "celt_lpc.h"
34
35 /* Compute autocorrelation */
silk_autocorr(opus_int32 * results,opus_int * scale,const opus_int16 * inputData,const opus_int inputDataSize,const opus_int correlationCount,int arch)36 void silk_autocorr(
37 opus_int32 *results, /* O Result (length correlationCount) */
38 opus_int *scale, /* O Scaling of the correlation vector */
39 const opus_int16 *inputData, /* I Input data to correlate */
40 const opus_int inputDataSize, /* I Length of input */
41 const opus_int correlationCount, /* I Number of correlation taps to compute */
42 int arch /* I Run-time architecture */
43 )
44 {
45 opus_int corrCount;
46 corrCount = silk_min_int( inputDataSize, correlationCount );
47 *scale = _celt_autocorr(inputData, results, NULL, 0, corrCount-1, inputDataSize, arch);
48 }
49