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Parameterize the bsinc table name

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This commit is contained in:
Chris Robinson
2017-08-22 00:52:17 -07:00
parent 46f18ba114
commit 61097d467c
1 changed files with 9 additions and 8 deletions
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utils/bsincgen.c
+9 -8
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@@ -52,6 +52,7 @@
#define BSINC_REJECTION (60.0)
#define BSINC_POINTS_MIN (12)
#define BSINC_ORDER (BSINC_POINTS_MIN - 1)
#define BSINC_POINTS_MAX (BSINC_POINTS_MIN * 2)
static double MinDouble(double a, double b)
{ return (a <= b) ? a : b; }
@@ -127,12 +128,12 @@ static double CalcKaiserBeta(const double rejection)
}
/* Generates the coefficient, delta, and index tables required by the bsinc resampler */
static void BsiGenerateTables()
static void BsiGenerateTables(const char *tabname)
{
static double filter[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT + 1][2 * BSINC_POINTS_MIN];
static double scDeltas[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT ][2 * BSINC_POINTS_MIN];
static double phDeltas[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT + 1][2 * BSINC_POINTS_MIN];
static double spDeltas[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT ][2 * BSINC_POINTS_MIN];
static double filter[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT + 1][BSINC_POINTS_MAX];
static double scDeltas[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT ][BSINC_POINTS_MAX];
static double phDeltas[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT + 1][BSINC_POINTS_MAX];
static double spDeltas[BSINC_SCALE_COUNT][BSINC_PHASE_COUNT ][BSINC_POINTS_MAX];
static int mt[BSINC_SCALE_COUNT];
static double at[BSINC_SCALE_COUNT];
double width, beta, scaleBase, scaleRange;
@@ -256,11 +257,11 @@ static void BsiGenerateTables()
" const float scaleBase, scaleRange;\n"
" const int m[BSINC_SCALE_COUNT];\n"
" const int filterOffset[BSINC_SCALE_COUNT];\n"
"} bsinc = {\n", BSINC_ORDER, (((BSINC_ORDER%100)/10) == 1) ? "th" :
"} %s = {\n", BSINC_ORDER, (((BSINC_ORDER%100)/10) == 1) ? "th" :
((BSINC_ORDER%10) == 1) ? "st" :
((BSINC_ORDER%10) == 2) ? "nd" :
((BSINC_ORDER%10) == 3) ? "rd" : "th",
BSINC_REJECTION, width, log2(1.0/scaleBase), i);
BSINC_REJECTION, width, log2(1.0/scaleBase), i, tabname);
fprintf(stdout, " /* Tab */ {\n");
for(si = 0; si < BSINC_SCALE_COUNT; si++)
@@ -357,7 +358,7 @@ static void Sinc4GenerateTables(void)
int main(void)
{
BsiGenerateTables();
BsiGenerateTables("bsinc");
Sinc4GenerateTables();
return 0;
}