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.h | |
| 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.h')
| -rw-r--r-- | src/modules/echo-cancel/adrian-aec.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/modules/echo-cancel/adrian-aec.h b/src/modules/echo-cancel/adrian-aec.h index df9f3e64..235984be 100644 --- a/src/modules/echo-cancel/adrian-aec.h +++ b/src/modules/echo-cancel/adrian-aec.h @@ -23,7 +23,7 @@ #define WIDEB 2 // use double if your CPU does software-emulation of float -typedef float REAL; +#define REAL float /* dB Values */ #define M0dB 1.0f @@ -306,7 +306,7 @@ struct AEC { // NLMS-pw REAL x[NLMS_LEN + NLMS_EXT]; // tap delayed loudspeaker signal REAL xf[NLMS_LEN + NLMS_EXT]; // pre-whitening tap delayed signal - REAL w[NLMS_LEN]; // tap weights + PA_DECLARE_ALIGNED(16, REAL, w[NLMS_LEN]); // tap weights int j; // optimize: less memory copies double dotp_xf_xf; // double to avoid loss of precision float delta; // noise floor to stabilize NLMS |