Lu, Han 380c9fa444 alsabat: truncate sample frames for faster FFT analysis ... Truncate the sample frames to powers of 2, since the FFTW algorithm runs especially fast in this case, and other sizes may be computed by means of a slow, general-purpose algorithm. In my test environment applying the patch, a sound clip of 33072 frames is cut off to 32768 frames before analysis, and the time cost is reduced from 6.128s to 0.224s. Signed-off-by: Lu, Han <han.lu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>		2016-03-01 10:31:00 +01:00
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alsa.c	bat: Don't pass incompatible function pointers to pthread_cleanup_push()	2015-11-09 14:09:50 +01:00
alsa.h	BAT: Add playback and record functions	2015-10-02 12:42:01 +02:00
alsabat.1	alsabat: rename to avoid naming conflict	2016-02-03 08:49:53 +01:00
analyze.c	alsabat: truncate sample frames for faster FFT analysis	2016-03-01 10:31:00 +01:00
analyze.h	BAT: Add spectrum analysis functions	2015-10-02 12:42:03 +02:00
bat-signal.h	bat: Avoid local signal.h file	2015-11-09 14:04:11 +01:00
bat.c	alsabat: rename to avoid naming conflict	2016-02-03 08:49:53 +01:00
common.c	BAT: Add common definitions and functions	2015-10-02 12:42:01 +02:00
common.h	alsabat: truncate sample frames for faster FFT analysis	2016-03-01 10:31:00 +01:00
convert.c	BAT: Add converting functions	2015-10-02 12:42:02 +02:00
convert.h	BAT: Add converting functions	2015-10-02 12:42:02 +02:00
Makefile.am	alsabat: rename to avoid naming conflict	2016-02-03 08:49:53 +01:00
signal.c	BAT: Add signal generator	2015-10-02 12:42:02 +02:00