From 9d61484e4bc0b2691b714d758391b3c3ecfd7890 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Mon, 24 Aug 2020 17:59:07 -0700
Subject: Move storable buffer format info to a separate source
---
alc/buffer_formats.cpp | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 alc/buffer_formats.cpp
(limited to 'alc/buffer_formats.cpp')
diff --git a/alc/buffer_formats.cpp b/alc/buffer_formats.cpp
new file mode 100644
index 00000000..7ee4bfc8
--- /dev/null
+++ b/alc/buffer_formats.cpp
@@ -0,0 +1,37 @@
+
+#include "config.h"
+
+#include "buffer_formats.h"
+
+#include <cstdint>
+
+
+ALuint BytesFromFmt(FmtType type) noexcept
+{
+ switch(type)
+ {
+ case FmtUByte: return sizeof(uint8_t);
+ case FmtShort: return sizeof(int16_t);
+ case FmtFloat: return sizeof(float);
+ case FmtDouble: return sizeof(double);
+ case FmtMulaw: return sizeof(uint8_t);
+ case FmtAlaw: return sizeof(uint8_t);
+ }
+ return 0;
+}
+ALuint ChannelsFromFmt(FmtChannels chans, ALuint ambiorder) noexcept
+{
+ switch(chans)
+ {
+ case FmtMono: return 1;
+ case FmtStereo: return 2;
+ case FmtRear: return 2;
+ case FmtQuad: return 4;
+ case FmtX51: return 6;
+ case FmtX61: return 7;
+ case FmtX71: return 8;
+ case FmtBFormat2D: return (ambiorder*2) + 1;
+ case FmtBFormat3D: return (ambiorder+1) * (ambiorder+1);
+ }
+ return 0;
+}
--
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