|
|
|
@ -23,6 +23,7 @@ |
|
|
|
|
|
|
|
|
|
#define LPC_USE_DOUBLE |
|
|
|
|
#include "lpc.h" |
|
|
|
|
#include "libavutil/avassert.h" |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
@ -37,7 +38,7 @@ static void lpc_apply_welch_window_c(const int32_t *data, int len, |
|
|
|
|
|
|
|
|
|
/* The optimization in commit fa4ed8c does not support odd len.
|
|
|
|
|
* If someone wants odd len extend that change. */ |
|
|
|
|
assert(!(len & 1)); |
|
|
|
|
av_assert2(!(len & 1)); |
|
|
|
|
|
|
|
|
|
n2 = (len >> 1); |
|
|
|
|
c = 2.0 / (len - 1.0); |
|
|
|
@ -166,7 +167,7 @@ int ff_lpc_calc_coefs(LPCContext *s, |
|
|
|
|
int i, j, pass; |
|
|
|
|
int opt_order; |
|
|
|
|
|
|
|
|
|
assert(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER && |
|
|
|
|
av_assert2(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER && |
|
|
|
|
lpc_type > FF_LPC_TYPE_FIXED); |
|
|
|
|
|
|
|
|
|
/* reinit LPC context if parameters have changed */ |
|
|
|
|