apple/AudioObject: add AudioObjectGetStringProperty()

3 files changed, 49 insertions, 0 deletions

diff --git a/src/apple/AudioObject.cxx b/src/apple/AudioObject.cxx
new file mode 100644
index 000000000..f81f82e2f
--- /dev/null
+++ b/src/apple/AudioObject.cxx
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 Max Kellermann <max.kellermann@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "AudioObject.hxx"
+#include "StringRef.hxx"
+
+Apple::StringRef
+AudioObjectGetStringProperty(AudioObjectID inObjectID,
+			     const AudioObjectPropertyAddress &inAddress)
+{
+	auto s = AudioObjectGetPropertyDataT<CFStringRef>(inObjectID,
+							  inAddress);
+	return Apple::StringRef(s);
+}
diff --git a/src/apple/AudioObject.hxx b/src/apple/AudioObject.hxx
index 4050c2e72..ff0362dd4 100644
--- a/src/apple/AudioObject.hxx
+++ b/src/apple/AudioObject.hxx
@@ -37,6 +37,10 @@
 
 #include <cstddef>
 
+namespace Apple {
+class StringRef;
+}
+
 inline std::size_t
 AudioObjectGetPropertyDataSize(AudioObjectID inObjectID,
 			       const AudioObjectPropertyAddress &inAddress)
@@ -69,6 +73,10 @@ AudioObjectGetPropertyDataT(AudioObjectID inObjectID,
 	return value;
 }
 
+Apple::StringRef
+AudioObjectGetStringProperty(AudioObjectID inObjectID,
+			     const AudioObjectPropertyAddress &inAddress);
+
 template<typename T>
 AllocatedArray<T>
 AudioObjectGetPropertyDataArray(AudioObjectID inObjectID,
diff --git a/src/apple/meson.build b/src/apple/meson.build
index 8f9f46484..160c62bc4 100644
--- a/src/apple/meson.build
+++ b/src/apple/meson.build
@@ -12,6 +12,7 @@ audiounit_dep = declare_dependency(
 
 apple = static_library(
   'apple',
+  'AudioObject.cxx',
   'Throw.cxx',
   include_directories: inc,
   dependencies: [