From 4cb83acddbe154312b74d2d63985ac1100bad7c5 Mon Sep 17 00:00:00 2001
From: Markus Mittendrein <maxmitti@maxmitti.tk>
Date: Mon, 28 Nov 2022 20:16:46 +0100
Subject: Initial

---
 lib/resample.h | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 lib/resample.h

(limited to 'lib/resample.h')

diff --git a/lib/resample.h b/lib/resample.h
new file mode 100644
index 0000000..0ae8856
--- /dev/null
+++ b/lib/resample.h
@@ -0,0 +1,84 @@
+/* Copyright 2012 Dietrich Epp <depp@zdome.net> */
+#pragma once
+
+#include "defs.h"
+#include "filter.h"
+
+/*
+  Resampling function naming convention:
+
+  lfr_resample_<atype><nchan><ftype>_<feature>
+
+  atype: audio data type, s16 or f32
+  nchan: number of channels, n1 or n2
+  ftype: filter coefficient type, s16 or f32
+
+  feature: CPU feature set required
+*/
+
+/* ======================================== */
+
+void lfr_resample_s16n1s16_scalar(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n1s16_sse2(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n1s16_altivec(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+/* ======================================== */
+
+void lfr_resample_s16n2s16_scalar(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n2s16_sse2(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n2s16_altivec(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+/* ======================================== */
+
+void lfr_resample_s16n1f32_scalar(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n1f32_sse2(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n1f32_altivec(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+/* ======================================== */
+
+void lfr_resample_s16n2f32_scalar( lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n2f32_sse2(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
+
+void lfr_resample_s16n2f32_altivec(
+    lfr_fixed_t *pos, lfr_fixed_t inv_ratio, unsigned *dither,
+    void *out, int outlen, const void *in, int inlen,
+    const lfr_filter *filter);
-- 
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