diff options
| author | Arun Raghavan <arun.raghavan@collabora.co.uk> | 2010-09-13 18:41:30 +0530 |
|---|---|---|
| committer | Arun Raghavan <arun.raghavan@collabora.co.uk> | 2010-09-23 17:17:03 +0530 |
| commit | 83d3c8f22bab997dde81074fd547aef6e56451d5 (patch) | |
| tree | bf378a032142ff0cde7fc402fd0a4bdf1ff49bc8 /src/modules/echo-cancel/adrian-aec.c | |
| parent | 963250abb99ab43b209281c2aa5398205492e555 (diff) | |
echo-cancel: orc-ify some bits for optimisation
This uses Orc to optimise an inner loop in the core NLMS function of the
Adrian echo canceller.
Diffstat (limited to 'src/modules/echo-cancel/adrian-aec.c')
| -rw-r--r-- | src/modules/echo-cancel/adrian-aec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/modules/echo-cancel/adrian-aec.c b/src/modules/echo-cancel/adrian-aec.c index 39c2d638..269bd616 100644 --- a/src/modules/echo-cancel/adrian-aec.c +++ b/src/modules/echo-cancel/adrian-aec.c @@ -17,6 +17,10 @@ #include "adrian-aec.h" +#ifndef DISABLE_ORC +#include "adrian-aec-orc.h" +#endif + #ifdef __SSE__ #include <xmmintrin.h> #endif @@ -190,6 +194,7 @@ static REAL AEC_nlms_pw(AEC *a, REAL d, REAL x_, float stepsize) // calculate variable step size REAL mikro_ef = stepsize * ef / a->dotp_xf_xf; +#ifdef DISABLE_ORC // update tap weights (filter learning) int i; for (i = 0; i < NLMS_LEN; i += 2) { @@ -197,6 +202,9 @@ static REAL AEC_nlms_pw(AEC *a, REAL d, REAL x_, float stepsize) a->w[i] += mikro_ef * a->xf[i + a->j]; a->w[i + 1] += mikro_ef * a->xf[i + a->j + 1]; } +#else + update_tap_weights(a->w, &a->xf[a->j], mikro_ef, NLMS_LEN); +#endif } if (--(a->j) < 0) { |