From 496031e8c891c0b53ef2fc335ae1f8828bd7d56f Mon Sep 17 00:00:00 2001
From: Skyler Lipthay <skyler.lipthay@gmail.com>
Date: Wed, 18 Feb 2015 15:21:30 -0800
Subject: [PATCH] decklink: Add Mac DeckLink project

The code specific to Mac OS X helps convert `CFString` instances to
`std::string`s.
---
 plugins/CMakeLists.txt              |  1 +
 plugins/decklink/mac/CMakeLists.txt | 50 +++++++++++++++++++++++++++++
 plugins/decklink/mac/platform.cpp   | 22 +++++++++++++
 plugins/decklink/platform.hpp       |  4 ++-
 4 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 plugins/decklink/mac/CMakeLists.txt
 create mode 100644 plugins/decklink/mac/platform.cpp

diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 66a45ca0c..b6c8cc2e2 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -7,6 +7,7 @@ elseif(APPLE)
 	add_subdirectory(mac-avcapture)
 	add_subdirectory(mac-capture)
 	add_subdirectory(mac-syphon)
+	add_subdirectory(decklink/mac)
 elseif("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
 	add_subdirectory(linux-capture)
 	add_subdirectory(linux-pulseaudio)
diff --git a/plugins/decklink/mac/CMakeLists.txt b/plugins/decklink/mac/CMakeLists.txt
new file mode 100644
index 000000000..ce0b9bdf2
--- /dev/null
+++ b/plugins/decklink/mac/CMakeLists.txt
@@ -0,0 +1,50 @@
+project(mac-decklink)
+
+find_library(COREFOUNDATION CoreFoundation)
+
+include_directories(${COREFOUNDATION})
+
+set(mac-decklink-sdk_HEADERS
+	decklink-sdk/DeckLinkAPI.h
+	decklink-sdk/DeckLinkAPIConfiguration.h
+	decklink-sdk/DeckLinkAPIDeckControl.h
+	decklink-sdk/DeckLinkAPIDiscovery.h
+	decklink-sdk/DeckLinkAPIModes.h
+	decklink-sdk/DeckLinkAPIStreaming.h
+	decklink-sdk/DeckLinkAPITypes.h
+	decklink-sdk/DeckLinkAPIVersion.h
+	)
+
+set(mac-decklink-sdk_SOURCES
+	decklink-sdk/DeckLinkAPIDispatch.cpp
+	)
+
+set(mac-decklink_HEADERS
+	../platform.hpp
+	../decklink.hpp
+	../decklink-device-instance.hpp
+	../decklink-device-discovery.hpp
+	../decklink-device.hpp
+	../decklink-device-mode.hpp
+	)
+
+set(mac-decklink_SOURCES
+	../plugin-main.cpp
+	../decklink.cpp
+	../decklink-device-instance.cpp
+	../decklink-device-discovery.cpp
+	../decklink-device.cpp
+	../decklink-device-mode.cpp
+	platform.cpp)
+
+add_library(mac-decklink MODULE
+	${mac-decklink_SOURCES}
+	${mac-decklink_HEADERS}
+	${mac-decklink-sdk_HEADERS}
+	${mac-decklink-sdk_SOURCES})
+
+target_link_libraries(mac-decklink
+	libobs
+	${COREFOUNDATION})
+
+install_obs_plugin_with_data(mac-decklink ../data)
diff --git a/plugins/decklink/mac/platform.cpp b/plugins/decklink/mac/platform.cpp
new file mode 100644
index 000000000..02e8a59ba
--- /dev/null
+++ b/plugins/decklink/mac/platform.cpp
@@ -0,0 +1,22 @@
+#include "../platform.hpp"
+
+bool DeckLinkStringToStdString(decklink_string_t input, std::string& output)
+{
+	const CFStringRef string = static_cast<CFStringRef>(input);
+	const CFIndex length = CFStringGetLength(string);
+	const CFIndex maxLength = CFStringGetMaximumSizeForEncoding(length,
+			kCFStringEncodingASCII) + 1;
+
+	char * const buffer = new char[maxLength];
+
+	const bool result = CFStringGetCString(string, buffer, maxLength,
+			kCFStringEncodingASCII);
+
+	if (result)
+		output = std::string(buffer);
+
+	delete[] buffer;
+	CFRelease(string);
+
+	return result;
+}
diff --git a/plugins/decklink/platform.hpp b/plugins/decklink/platform.hpp
index 178612ed1..99f7dab66 100644
--- a/plugins/decklink/platform.hpp
+++ b/plugins/decklink/platform.hpp
@@ -3,7 +3,9 @@
 #if defined(_WIN32)
 // TODO: Windows support
 #elif defined(__APPLE__)
-// TODO: Mac support
+#include "mac/decklink-sdk/DeckLinkAPI.h"
+#include <CoreFoundation/CoreFoundation.h>
+typedef CFStringRef decklink_string_t;
 #elif defined(__linux__)
 // TODO: Linux support
 #endif