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authorChris Robinson <[email protected]>2020-12-04 07:35:40 -0800
committerChris Robinson <[email protected]>2020-12-04 11:15:50 -0800
commit84d47f7d4c2d1355a6eb914dd091b39683f83c15 (patch)
tree5e8266a74e7821d47e8d1bc0e14cd7570fef6bf5 /core/bsinc_defs.h
parent36c1589c11cb8f197576e748e06bc5fbb6dcc8bf (diff)
Move the bsinc tables to core
Diffstat (limited to 'core/bsinc_defs.h')
-rw-r--r--core/bsinc_defs.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/core/bsinc_defs.h b/core/bsinc_defs.h
new file mode 100644
index 00000000..43865289
--- /dev/null
+++ b/core/bsinc_defs.h
@@ -0,0 +1,16 @@
+#ifndef CORE_BSINC_DEFS_H
+#define CORE_BSINC_DEFS_H
+
+/* The number of distinct scale and phase intervals within the filter table. */
+constexpr unsigned int BSincScaleBits{4};
+constexpr unsigned int BSincScaleCount{1 << BSincScaleBits};
+constexpr unsigned int BSincPhaseBits{5};
+constexpr unsigned int BSincPhaseCount{1 << BSincPhaseBits};
+
+/* The maximum number of sample points for the bsinc filters. The max points
+ * includes the doubling for downsampling, so the maximum number of base sample
+ * points is 24, which is 23rd order.
+ */
+constexpr unsigned int BSincPointsMax{48};
+
+#endif /* CORE_BSINC_DEFS_H */