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fix rounding bug in buffer size calculation (MAX_SAMPLES_PER_WINDOW)

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This commit is contained in:
Josh Coalson 2003-09-03 00:56:08 +00:00
parent bef021a181
commit 1ba525b929
1 changed files with 7 additions and 1 deletions
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8
src/share/gain_analysis/gain_analysis.c
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@ -110,7 +110,13 @@ typedef signed int Int32_t;
#define MAX_dB 120. /* Table entries for 0...MAX_dB (normal max. values are 70...80 dB) */ #define MAX_dB 120. /* Table entries for 0...MAX_dB (normal max. values are 70...80 dB) */
#define MAX_ORDER (BUTTER_ORDER > YULE_ORDER ? BUTTER_ORDER : YULE_ORDER) #define MAX_ORDER (BUTTER_ORDER > YULE_ORDER ? BUTTER_ORDER : YULE_ORDER)
#define MAX_SAMPLES_PER_WINDOW (size_t) (MAX_SAMP_FREQ * RMS_WINDOW_TIME) /* max. Samples per Time slice */ /* [JEC] the following was originally #defined as:
* (size_t) (MAX_SAMP_FREQ * RMS_WINDOW_TIME)
* but that seemed to fail to take into account the ceil() part of the
* sampleWindow calculation in ResetSampleFrequency(), and was causing
* buffer overflows for 48kHz analysis, hence the +1.
*/
#define MAX_SAMPLES_PER_WINDOW (size_t) (MAX_SAMP_FREQ * RMS_WINDOW_TIME + 1.) /* max. Samples per Time slice */
#define PINK_REF 64.82 /* 298640883795 */ /* calibration value */ #define PINK_REF 64.82 /* 298640883795 */ /* calibration value */
static Float_t linprebuf [MAX_ORDER * 2]; static Float_t linprebuf [MAX_ORDER * 2];