From 763d41cf67d3df165c8fbfb52abe8b672c203d9f Mon Sep 17 00:00:00 2001
From: Lubos Dolezel <lubos@dolezel.info>
Date: Sat, 21 Nov 2015 22:59:34 +0100
Subject: [PATCH] Add VDA constants, add dummy VDA into dylib.conf

---
 etc/dylib.conf                      |  3 +++
 src/CFF/CFStringConst.h             | 22 ++++++++++++++++++++++
 src/VideoDecodeAcceleration/dummy.c |  7 +++++++
 3 files changed, 32 insertions(+)
 create mode 100644 src/CFF/CFStringConst.h

diff --git a/etc/dylib.conf b/etc/dylib.conf
index e53938410..9d32040b4 100644
--- a/etc/dylib.conf
+++ b/etc/dylib.conf
@@ -53,3 +53,6 @@ A=libAudioUnit.so
 [AudioToolbox.framework]
 A=libAudioToolbox.so
 
+[VideoDecodeAcceleration.framework]
+A=libVideoDecodeAcceleration.so
+
diff --git a/src/CFF/CFStringConst.h b/src/CFF/CFStringConst.h
new file mode 100644
index 000000000..77d3e966d
--- /dev/null
+++ b/src/CFF/CFStringConst.h
@@ -0,0 +1,22 @@
+#ifndef CFSTRING_CONST_H
+#define CFSTRING_CONST_H
+#include <CoreFoundation/CFString.h>
+#include <CoreFoundation/CFRuntime.h>
+#include <stddef.h>
+
+struct __CFConstantString
+{
+  CFRuntimeBase  _parent;
+  void          *_contents;
+  CFIndex        _count;
+  CFHashCode     _hash;
+  CFAllocatorRef _deallocator;
+};
+
+#define CONST_STRING_DECL(var, str) \
+  static struct __CFConstantString __ ## var ## __ = \
+    { {0, 0, {1, 0, 0}}, (void*)str, sizeof(str) - 1, 0, NULL }; \
+  const CFStringRef var = (CFStringRef) & __ ## var ## __;
+
+#endif
+
diff --git a/src/VideoDecodeAcceleration/dummy.c b/src/VideoDecodeAcceleration/dummy.c
index 7eab55f79..6d56e7cd9 100644
--- a/src/VideoDecodeAcceleration/dummy.c
+++ b/src/VideoDecodeAcceleration/dummy.c
@@ -1,7 +1,14 @@
 #include <CoreFoundation/CFBase.h>
+#include <CoreFoundation/CFString.h>
+#include "../CFF/CFStringConst.h"
 
 // A real implementation would use VA API or VDPAU
 
+CONST_STRING_DECL(kVDADecoderConfiguration_Height, "kVDADecoderConfiguration_Height");
+CONST_STRING_DECL(kVDADecoderConfiguration_Width, "kVDADecoderConfiguration_Width");
+CONST_STRING_DECL(kVDADecoderConfiguration_SourceFormat, "kVDADecoderConfiguration_SourceFormat");
+CONST_STRING_DECL(kVDADecoderConfiguration_avcCData, "kVDADecoderConfiguration_avcCData");
+
 #define kVDADecoderHardwareNotSupportedErr -12470
 
 OSStatus VDADecoderCreate()
-- 
2.51.2