From 49cf589ca2fdcbd9ff55ae70040d6d52c57a3fb1 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@ipe.fzk.de>
Date: Mon, 28 Feb 2011 11:32:44 +0100
Subject: Add camera state and accessor function

---
 src/uca.c |  5 +++++
 src/uca.h | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/uca.c b/src/uca.c
index cf9d9ed..17a7ae2 100644
--- a/src/uca.c
+++ b/src/uca.c
@@ -79,6 +79,11 @@ void uca_destroy(struct uca_t *uca)
     }
 }
 
+enum uca_cam_state uca_get_camera_state(struct uca_camera_t *cam)
+{
+    return cam->state;
+}
+
 static struct uca_property_t property_map[UCA_PROP_LAST+1] = {
     { "name",           uca_na,     uca_string }, 
     { "width",          uca_pixel,  uca_uint32t }, 
diff --git a/src/uca.h b/src/uca.h
index c067d9f..3f31bdb 100644
--- a/src/uca.h
+++ b/src/uca.h
@@ -17,6 +17,8 @@ struct uca_t;
 struct uca_camera_t;
 struct uca_property_t;
 
+enum uca_camera_state;
+
 /**
  * \brief Camera probing and initialization
  * \return UCA_ERR_INIT_NOT_FOUND if camera is not found or could not be initialized
@@ -65,6 +67,9 @@ struct uca_t *uca_init(void);
  */
 void uca_destroy(struct uca_t *uca);
 
+enum uca_cam_state uca_get_camera_state(struct uca_camera_t *cam);
+
+
 /**
  * \brief Convert a property string to the corresponding ID
  */
@@ -154,6 +159,13 @@ struct uca_property_t {
     } type;
 };
 
+enum uca_cam_state {
+    UCA_CAM_ERROR,
+    UCA_CAM_CONFIGURABLE,
+    UCA_CAM_ARMED,
+    UCA_CAM_RECORDING,
+};
+
 struct uca_camera_t {
     struct uca_camera_t     *next;
 
@@ -165,6 +177,7 @@ struct uca_camera_t {
 
     /* Private */
     uca_cam_destroy         destroy;
+    enum uca_cam_state      state;
 
     void *user; /**< private user data to be used by the camera driver */
 };
-- 
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