kayasrc: add new source element for KAYA frame grabbers

Currently only tested with one BayerGB8 camera on a Komodo board.

Missing dropped frame detection and 16-bit bayer support.

sys/kaya/gstkayasrc.h

@@ -0,0 +1,73 @@
+/* GStreamer
+ * Copyright (c) 2018 outside US, 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_KAYA_SRC_H_
+#define _GST_KAYA_SRC_H_
+
+#include <gst/base/gstpushsrc.h>
+
+#include <KYFGLib.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_KAYA_SRC   (gst_kayasrc_get_type())
+#define GST_KAYA_SRC(obj)   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_KAYA_SRC,GstKayaSrc))
+#define GST_KAYA_SRC_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_KAYA_SRC,GstKayaSrcClass))
+#define GST_IS_KAYA_SRC(obj)   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_KAYA_SRC))
+#define GST_IS_KAYA_SRC_CLASS(obj)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_KAYA_SRC))
+
+typedef struct _GstKayaSrc GstKayaSrc;
+typedef struct _GstKayaSrcClass GstKayaSrcClass;
+
+struct _GstKayaSrc
+{
+  GstPushSrc base_kayasrc;
+
+  /* handles */
+  FGHANDLE fg_handle;
+  CAMHANDLE cam_handle;
+  STREAM_HANDLE stream_handle;
+  STREAM_BUFFER_HANDLE *buffer_handles;
+  size_t frame_size;
+
+  /* properties */
+  guint interface_index;
+  guint device_index;
+  guint num_capture_buffers;
+  gint timeout;
+  gchar *project_file;
+  gchar *xml_file;
+
+  gboolean acquisition_started;
+  gboolean stop_requested;
+
+  GstCaps *caps;
+  GAsyncQueue *queue;
+};
+
+struct _GstKayaSrcClass
+{
+  GstPushSrcClass base_kayasrc_class;
+};
+
+GType gst_kayasrc_get_type (void);
+
+G_END_DECLS
+
+#endif