LPCContext Struct Reference

Definition at line 51 of file lpc.h.

Referenced by ff_lpc_calc_coefs(), and ff_lpc_init().

Apply a Welch window to an array of input samples.

The output samples have the same scale as the input, but are in double sample format.

Parameters:

data input samples

len number of input samples

w_data output samples

Referenced by ff_lpc_calc_coefs(), ff_lpc_init(), and ff_lpc_init_x86().

Perform autocorrelation on input samples with delay of 0 to lag.

Parameters:

data input samples. constraints: no alignment needed, but must have have at least lag*sizeof(double) valid bytes preceding it, and size must be at least (len+1)*sizeof(double) if data is 16-byte aligned or (len+2)*sizeof(double) if data is unaligned.

len number of input samples to process

lag maximum delay to calculate

autoc output autocorrelation coefficients. constraints: array size must be at least lag+1.

Referenced by ff_lpc_calc_coefs(), ff_lpc_init(), and ff_lpc_init_x86().

Definition at line 53 of file lpc.h.

Referenced by ff_lpc_calc_coefs(), and ff_lpc_init().

Definition at line 52 of file lpc.h.

Referenced by ff_lpc_calc_coefs(), and ff_lpc_init().

Definition at line 54 of file lpc.h.

Referenced by ff_lpc_end(), and ff_lpc_init().

Definition at line 55 of file lpc.h.

Referenced by ff_lpc_calc_coefs(), and ff_lpc_init().