api: Work around setConfiguration in iai_kinect2

iai_kinect2 used p->getDepthPacketProcessor()->setConfiguration()
to configure the device. This is deprecated, but here provides
compatibility for such usage.

Author: xlz

include/internal/libfreenect2/depth_packet_processor.h

@@ -33,6 +33,7 @@
 #include <stdint.h>
 
 #include <libfreenect2/config.h>
+#define LIBFREENECT2_SETCONFIGURATION_COMPAT_INTERNAL
 #include <libfreenect2/libfreenect2.hpp>
 #include <libfreenect2/frame_listener.hpp>
 #include <libfreenect2/packet_processor.h>
@@ -52,7 +53,7 @@ struct DepthPacket
 /** Class for processing depth information. */
 typedef PacketProcessor<DepthPacket> BaseDepthPacketProcessor;
 
-class DepthPacketProcessor : public BaseDepthPacketProcessor
+class DepthPacketProcessor : public ConfigPacketProcessor, public BaseDepthPacketProcessor
 {
 public:
   typedef Freenect2Device::Config Config;

include/libfreenect2/libfreenect2.hpp

@@ -112,6 +112,15 @@ class LIBFREENECT2_API Freenect2Device
   virtual void close() = 0;
 };
 
+/** @deprecated Use Freenect2Device::setConfiguration() instead.
+ */
+class ConfigPacketProcessor
+{
+public:
+  typedef Freenect2Device::Config Config;
+  LIBFREENECT2_DEPRECATED virtual void setConfiguration(const Config &config) = 0;
+};
+
 class Freenect2Impl;
 
 /**

include/libfreenect2/packet_pipeline.h

@@ -39,6 +39,11 @@ class RgbPacketProcessor;
 class DepthPacketProcessor;
 class PacketPipelineComponents;
 
+class ConfigPacketProcessor;
+#ifndef LIBFREENECT2_SETCONFIGURATION_COMPAT_INTERNAL
+#define DepthPacketProcessor ConfigPacketProcessor
+#endif
+
 /** Front of the pipeline, RGB and Depth parsing and processing. */
 class LIBFREENECT2_API PacketPipeline
 {

src/libfreenect2.cpp

@@ -34,6 +34,7 @@
 #include <cmath>
 #define WRITE_LIBUSB_ERROR(__RESULT) libusb_error_name(__RESULT) << " " << libusb_strerror((libusb_error)__RESULT)
 
+#define LIBFREENECT2_SETCONFIGURATION_COMPAT_INTERNAL
 #include <libfreenect2/libfreenect2.hpp>
 
 #include <libfreenect2/usb/event_loop.h>

src/packet_pipeline.cpp

@@ -26,6 +26,7 @@
 
 /** @file packet_pipeline.cpp Packet pipeline implementation. */
 
+#define LIBFREENECT2_SETCONFIGURATION_COMPAT_INTERNAL
 #include <libfreenect2/packet_pipeline.h>
 #include <libfreenect2/async_packet_processor.h>
 #include <libfreenect2/data_callback.h>