From 8cdcf6f747cd85ebc1425acfd9d8a9ebfa84e752 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Tue, 5 Sep 2023 03:41:01 +0300
Subject: moved common definitions into applause.h

---
 applause.c   |  8 +-------
 applause.h   | 11 +++++++++++
 applause.lua | 25 +++++--------------------
 3 files changed, 17 insertions(+), 27 deletions(-)
 create mode 100644 applause.h

diff --git a/applause.c b/applause.c
index f0a901e..e7e69cd 100644
--- a/applause.c
+++ b/applause.c
@@ -33,6 +33,7 @@
 #include <jack/midiport.h>
 #include <jack/ringbuffer.h>
 
+#include "applause.h"
 #include "midi.h"
 
 #define LUA_MODULE		"applause.lua"
@@ -391,13 +392,6 @@ init_audio(int buffer_size)
 	return 0;
 }
 
-enum applause_audio_state {
-	APPLAUSE_AUDIO_OK = 0,
-	APPLAUSE_AUDIO_INTERRUPTED,
-	APPLAUSE_AUDIO_XRUN,
-	APPLAUSE_AUDIO_INVALID_PORT
-};
-
 /**
  * Push one Jack sample into the ring buffer.
  *
diff --git a/applause.h b/applause.h
new file mode 100644
index 0000000..c4d9d87
--- /dev/null
+++ b/applause.h
@@ -0,0 +1,11 @@
+/* This header is included from C and LuaJIT. */
+
+enum applause_audio_state {
+	APPLAUSE_AUDIO_OK = 0,
+	APPLAUSE_AUDIO_INTERRUPTED,
+	APPLAUSE_AUDIO_XRUN,
+	APPLAUSE_AUDIO_INVALID_PORT
+};
+
+enum applause_audio_state applause_push_sample(int output_port_id,
+                                               double sample_double);
diff --git a/applause.lua b/applause.lua
index 342264c..e80f6c0 100644
--- a/applause.lua
+++ b/applause.lua
@@ -24,6 +24,8 @@ function cdef_include(file)
 	hnd:close()
 end
 
+cdef_include "applause.h"
+
 --
 -- Define C functions for benchmarking (POSIX libc)
 --
@@ -47,6 +49,9 @@ typedef enum {
 } clockid_t;
 
 int clock_gettime(clockid_t clk_id, struct timespec *tp);
+
+// Useful in various situations
+void free(void *ptr);
 ]]
 
 -- Measure time required to execute fnc()
@@ -73,26 +78,6 @@ function benchmark(fnc)
 	print("Elapsed CPU time: "..tonumber(t2_ms - t1_ms).."ms")
 end
 
---
--- Define the Lua FFI part of Applause's C core.
--- These functions and types are defined in applause.c
--- FIXME: Could be read from a common file.
---
-cdef_safe[[
-enum applause_audio_state {
-	APPLAUSE_AUDIO_OK = 0,
-	APPLAUSE_AUDIO_INTERRUPTED,
-	APPLAUSE_AUDIO_XRUN,
-	APPLAUSE_AUDIO_INVALID_PORT
-};
-
-enum applause_audio_state applause_push_sample(int output_port_id,
-                                               double sample_double);
-
-// Useful in various situations
-void free(void *ptr);
-]]
-
 -- Sample rate
 -- This is overwritten by the C core
 samplerate = 44100
-- 
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