[aravis] gst: Add packet-resend property

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 16176b0fbdabedca5d56ce3860d1421ffe69676f
Author: Patrick Doyle <wpd harvestai com>
Date:   Thu Apr 17 18:34:42 2014 +0000

    gst: Add packet-resend property

 gst/gstaravis.c |   24 +++++++++++++++++++++++-
 gst/gstaravis.h |    1 +
 2 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/gst/gstaravis.c b/gst/gstaravis.c
index 8079088..a8374e1 100644
--- a/gst/gstaravis.c
+++ b/gst/gstaravis.c
@@ -56,7 +56,8 @@ enum
   PROP_H_BINNING,
   PROP_V_BINNING,
   PROP_OFFSET_X,
-  PROP_OFFSET_Y
+  PROP_OFFSET_Y,
+  PROP_PACKET_RESEND
 };
 
 G_DEFINE_TYPE (GstAravis, gst_aravis, GST_TYPE_PUSH_SRC);
@@ -241,6 +242,11 @@ gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
 
        gst_aravis->payload = arv_camera_get_payload (gst_aravis->camera);
        gst_aravis->stream = arv_camera_create_stream (gst_aravis->camera, NULL, NULL);
+        if (gst_aravis->packet_resend) {
+                g_object_set (gst_aravis->stream, "packet-resend", ARV_GV_STREAM_PACKET_RESEND_ALWAYS, NULL);
+        } else {
+                g_object_set (gst_aravis->stream, "packet-resend", ARV_GV_STREAM_PACKET_RESEND_NEVER, NULL);
+        }
 
        for (i = 0; i < GST_ARAVIS_N_BUFFERS; i++)
                arv_stream_push_buffer (gst_aravis->stream,
@@ -441,6 +447,7 @@ gst_aravis_init (GstAravis *gst_aravis)
        gst_aravis->offset_y = 0;
        gst_aravis->h_binning = -1;
        gst_aravis->v_binning = -1;
+        gst_aravis->packet_resend = TRUE;
        gst_aravis->payload = 0;
 
        gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
@@ -531,6 +538,9 @@ gst_aravis_set_property (GObject * object, guint prop_id,
                case PROP_V_BINNING:
                        gst_aravis->v_binning = g_value_get_int (value);
                        break;
+                case PROP_PACKET_RESEND:
+                        gst_aravis->packet_resend = g_value_get_boolean (value);
+                        break;
                default:
                        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
                        break;
@@ -574,6 +584,9 @@ gst_aravis_get_property (GObject * object, guint prop_id, GValue * value,
                case PROP_V_BINNING:
                        g_value_set_int (value, gst_aravis->v_binning);
                        break;
+               case PROP_PACKET_RESEND:
+                        g_value_set_boolean (value, gst_aravis->packet_resend);
+                        break;
                default:
                        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
                        break;
@@ -673,6 +686,15 @@ gst_aravis_class_init (GstAravisClass * klass)
                                   1, G_MAXINT, 1,
                                   G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+       g_object_class_install_property
+               (gobject_class,
+                PROP_PACKET_RESEND,
+                g_param_spec_boolean ("packet-resend",
+                                      "Packet Resend",
+                                      "Request dropped packets to be reissued by the camera",
+                                      TRUE,
+                                      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
         GST_DEBUG_CATEGORY_INIT (aravis_debug, "aravissrc", 0, "Aravis interface");
 
        gst_element_class_set_details_simple (element_class,
diff --git a/gst/gstaravis.h b/gst/gstaravis.h
index 2a8aeec..a3a4ba1 100644
--- a/gst/gstaravis.h
+++ b/gst/gstaravis.h
@@ -53,6 +53,7 @@ struct _GstAravis {
 
        gint h_binning;
        gint v_binning;
+        gboolean packet_resend;
 
        gint payload;