|
|
@ -23,7 +23,8 @@ |
|
|
|
#include "libavutil/cpu.h" |
|
|
|
#include "libavutil/cpu.h" |
|
|
|
#include "libavcodec/lpc.h" |
|
|
|
#include "libavcodec/lpc.h" |
|
|
|
|
|
|
|
|
|
|
|
static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data) |
|
|
|
static void lpc_apply_welch_window_sse2(const int32_t *data, int len, |
|
|
|
|
|
|
|
double *w_data) |
|
|
|
{ |
|
|
|
{ |
|
|
|
double c = 2.0 / (len-1.0); |
|
|
|
double c = 2.0 / (len-1.0); |
|
|
|
int n2 = len>>1; |
|
|
|
int n2 = len>>1; |
|
|
@ -140,7 +141,7 @@ av_cold void ff_lpc_init_x86(LPCContext *c) |
|
|
|
int mm_flags = av_get_cpu_flags(); |
|
|
|
int mm_flags = av_get_cpu_flags(); |
|
|
|
|
|
|
|
|
|
|
|
if (mm_flags & (AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW)) { |
|
|
|
if (mm_flags & (AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW)) { |
|
|
|
c->lpc_apply_welch_window = apply_welch_window_sse2; |
|
|
|
c->lpc_apply_welch_window = lpc_apply_welch_window_sse2; |
|
|
|
c->lpc_compute_autocorr = lpc_compute_autocorr_sse2; |
|
|
|
c->lpc_compute_autocorr = lpc_compute_autocorr_sse2; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|