Initial implementation of NI IMAQdx element

sys/niimaqdx/CMakeLists.txt

@@ -0,0 +1,25 @@
+add_definitions(-DHAVE_CONFIG_H)
+
+set ( SOURCES
+    gstniimaqdx.c )
+    
+set ( HEADERS
+    gstniimaqdx.h )
+
+include_directories ( AFTER
+  .
+  ${NIIMAQDX_INCLUDE_DIR} )
+
+add_library ( libgstimaqdx MODULE
+  ${SOURCES}
+  ${HEADERS} )
+
+target_link_libraries ( libgstimaqdx
+  general ${GLIB2_LIBRARIES}
+  general ${GSTREAMER_LIBRARIES}
+  general ${GSTREAMER_BASE_LIBRARY}
+  general ${GSTREAMER_INTERFACE_LIBRARY}
+  general ${NIIMAQDX_LIBRARIES} )
+  
+install (TARGETS libgstimaqdx
+  LIBRARY DESTINATION lib/gstreamer-0.10)

sys/niimaqdx/gstniimaqdx.h

@@ -0,0 +1,89 @@
+/* GStreamer
+ * Copyright (C) <2006> Eric Jonas <jonas@mit.edu>
+ * Copyright (C) <2006> Antoine Tremblay <hexa00@gmail.com>
+ * Copyright (C) 2013 United States Government, Joshua M. Doe <oss@nvl.army.mil>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_NIIMAQDXSRC_H__
+#define __GST_NIIMAQDXSRC_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstpushsrc.h>
+#include <gst/video/video.h>
+
+#include <niimaqdx.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_NIIMAQDXSRC \
+  (gst_niimaqdxsrc_get_type())
+#define GST_NIIMAQDXSRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NIIMAQDXSRC,GstNiImaqDxSrc))
+#define GST_NIIMAQDXSRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NIIMAQDXSRC,GstNiImaqDxSrcClass))
+#define GST_IS_NIIMAQDXSRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NIIMAQDXSRC))
+#define GST_IS_NIIMAQDXSRC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NIIMAQDXSRC))
+#define GST_NIIMAQDXSRC_GET_CLASS(klass) \
+  (G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_NIIMAQDXSRC, GstNiImaqDxSrcClass))
+
+typedef struct _GstNiImaqDxSrc GstNiImaqDxSrc;
+typedef struct _GstNiImaqDxSrcClass GstNiImaqDxSrcClass;
+
+struct _GstNiImaqDxSrc {
+  GstPushSrc element;
+
+  /* properties */
+  gchar *device_name;
+  gint ringbuffer_count;
+
+  /* image info */
+  GstVideoFormat format;
+  int width;
+  int height;
+  gint framesize;
+
+  gint64 n_frames;      /* total frames sent */
+  uInt32 cumbufnum;
+  gint64 n_dropped_frames;
+  
+  GstClockTime *times;
+  IMAQdxSession session;
+
+  gboolean session_started;
+  GstClockTime base_time;
+
+  GstDateTime *start_time;
+  gboolean start_time_sent;
+
+  GMutex *mutex;
+};
+
+struct _GstNiImaqDxSrcClass {
+  GstPushSrcClass parent_class;
+
+  /* probed interfaces */
+  GList *devices;
+};
+
+GType gst_niimaqdxsrc_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_NIIMAQDXSRC_H__ */