libAudioHal: factorize V2 and V4
Merge the two versions and ifdef the few
parts still different.
Test: playback music, assistant
Change-Id: I750f5d18ba34236637c18a87e2daa54a7c446d91
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/impl/VersionMacro.h b/media/libaudiohal/impl/VersionMacro.h
new file mode 100644
index 0000000..98e9c07
--- /dev/null
+++ b/media/libaudiohal/impl/VersionMacro.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_VERSION_MACRO_H
+#define ANDROID_HARDWARE_VERSION_MACRO_H
+
+#if !defined(MAJOR_VERSION) || !defined(MINOR_VERSION)
+#error "MAJOR_VERSION and MINOR_VERSION must be defined"
+#endif
+
+#define CONCAT_3(a,b,c) a##b##c
+#define EXPAND_CONCAT_3(a,b,c) CONCAT_3(a,b,c)
+/** The directory name of the version: <major>.<minor> */
+#define FILE_VERSION EXPAND_CONCAT_3(MAJOR_VERSION,.,MINOR_VERSION)
+
+#define CONCAT_4(a,b,c,d) a##b##c##d
+#define EXPAND_CONCAT_4(a,b,c,d) CONCAT_4(a,b,c,d)
+/** The c++ namespace of the version: V<major>_<minor> */
+#define CPP_VERSION EXPAND_CONCAT_4(V,MAJOR_VERSION,_,MINOR_VERSION)
+
+#endif // ANDROID_HARDWARE_VERSION_MACRO_H