From 3b52e3936fdaea3dc5742e2375d60cc2e8c6b42b Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
Date: Tue, 12 Jun 2012 10:57:39 +0200
Subject: Add timestamp mode property

---
 src/cameras/uca-pco-camera.c | 57 +++++++++++++++++++++++++++++++++++++++++---
 src/cameras/uca-pco-camera.h |  6 +++++
 2 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/src/cameras/uca-pco-camera.c b/src/cameras/uca-pco-camera.c
index d12083f..dc0908b 100644
--- a/src/cameras/uca-pco-camera.c
+++ b/src/cameras/uca-pco-camera.c
@@ -71,6 +71,14 @@ G_DEFINE_TYPE(UcaPcoCamera, uca_pco_camera, UCA_TYPE_CAMERA)
  * @UCA_PCO_CAMERA_ACQUIRE_MODE_EXTERNAL: Use <acq enbl> signal
  */
 
+/**
+ * UcaPcoCameraTimestamp:
+ * @UCA_PCO_CAMERA_TIMESTAMP_NONE: Don't embed any timestamp
+ * @UCA_PCO_CAMERA_TIMESTAMP_BINARY: Embed a BCD-coded timestamp in the first
+ *     bytes
+ * @UCA_PCO_CAMERA_TIMESTAMP_ASCII: Embed a visible ASCII timestamp in the image
+ */
+
 /**
  * UcaPcoCameraError:
  * @UCA_PCO_CAMERA_ERROR_LIBPCO_INIT: Initializing libpco failed
@@ -102,6 +110,7 @@ enum {
     PROP_ACQUIRE_MODE,
     PROP_COOLING_POINT,
     PROP_NOISE_FILTER,
+    PROP_TIMESTAMP_MODE,
     N_PROPERTIES
 };
 
@@ -744,6 +753,18 @@ static void uca_pco_camera_set_property(GObject *object, guint property_id, cons
             }
             break;
 
+        case PROP_TIMESTAMP_MODE:
+            {
+                guint16 modes[] = {
+                    TIMESTAMP_MODE_OFF,             /* 0 */ 
+                    TIMESTAMP_MODE_BINARY,          /* 1 = 1 << 0 */ 
+                    TIMESTAMP_MODE_ASCII,           /* 2 = 1 << 1 */ 
+                    TIMESTAMP_MODE_BINARYANDASCII,  /* 3 = 1 << 0 | 1 << 1 */ 
+                }; 
+                pco_set_timestamp_mode(priv->pco, modes[g_value_get_flags(value)]);
+            }
+            break;
+
         default:
             G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
             return;
@@ -975,9 +996,32 @@ static void uca_pco_camera_get_property(GObject *object, guint property_id, GVal
 
         case PROP_NOISE_FILTER:
             {
-                guint16 filter_mode;
-                pco_get_noise_filter_mode(priv->pco, &filter_mode);
-                g_value_set_boolean(value, filter_mode != NOISE_FILTER_MODE_OFF);
+                guint16 mode;
+                pco_get_noise_filter_mode(priv->pco, &mode);
+                g_value_set_boolean(value, mode != NOISE_FILTER_MODE_OFF);
+            }
+            break;
+
+        case PROP_TIMESTAMP_MODE:
+            {
+                guint16 mode; 
+                pco_get_timestamp_mode(priv->pco, &mode);
+
+                switch (mode) {
+                    case TIMESTAMP_MODE_OFF:
+                        g_value_set_flags(value, UCA_PCO_CAMERA_TIMESTAMP_NONE);
+                        break;
+                    case TIMESTAMP_MODE_BINARY:
+                        g_value_set_flags(value, UCA_PCO_CAMERA_TIMESTAMP_BINARY);
+                        break;
+                    case TIMESTAMP_MODE_BINARYANDASCII:
+                        g_value_set_flags(value, 
+                                UCA_PCO_CAMERA_TIMESTAMP_BINARY | UCA_PCO_CAMERA_TIMESTAMP_ASCII);
+                        break;
+                    case TIMESTAMP_MODE_ASCII:
+                        g_value_set_flags(value, UCA_PCO_CAMERA_TIMESTAMP_ASCII);
+                        break;
+                }
             }
             break;
 
@@ -1158,6 +1202,13 @@ static void uca_pco_camera_class_init(UcaPcoCameraClass *klass)
             1, 2, 1, 
             G_PARAM_READWRITE);
 
+    pco_properties[PROP_TIMESTAMP_MODE] =
+        g_param_spec_flags("timestamp-mode",
+            "Timestamp mode",
+            "Timestamp mode",
+            UCA_TYPE_PCO_CAMERA_TIMESTAMP, UCA_PCO_CAMERA_TIMESTAMP_NONE,
+            G_PARAM_READWRITE);
+
     for (guint id = N_BASE_PROPERTIES; id < N_PROPERTIES; id++)
         g_object_class_install_property(gobject_class, id, pco_properties[id]);
 
diff --git a/src/cameras/uca-pco-camera.h b/src/cameras/uca-pco-camera.h
index d2892b2..87f4277 100644
--- a/src/cameras/uca-pco-camera.h
+++ b/src/cameras/uca-pco-camera.h
@@ -52,6 +52,12 @@ typedef enum {
     UCA_PCO_CAMERA_ACQUIRE_MODE_EXTERNAL
 } UcaPcoCameraAcquireMode;
 
+typedef enum {
+    UCA_PCO_CAMERA_TIMESTAMP_NONE       = 0,
+    UCA_PCO_CAMERA_TIMESTAMP_BINARY     = 1 << 0,
+    UCA_PCO_CAMERA_TIMESTAMP_ASCII      = 1 << 1
+} UcaPcoCameraTimestamp;
+
 /**
  * UcaPcoCamera:
  *
-- 
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