[aravis] gstreamer: don't ignore GstBaseSrc "do-timestamp" property.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit d1cbf643e5251d26199d799d98b8d05d1ad255a7
Author: Csaba Toth <csaba toth aptomar com>
Date:   Sat Jun 8 18:28:35 2013 +0200

    gstreamer: don't ignore GstBaseSrc "do-timestamp" property.

 gst/gstaravis.c |   18 ++++++++++--------
 1 files changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/gst/gstaravis.c b/gst/gstaravis.c
index 0e6f0a8..1131065 100644
--- a/gst/gstaravis.c
+++ b/gst/gstaravis.c
@@ -341,7 +341,7 @@ gst_aravis_create (GstPushSrc * push_src, GstBuffer ** buffer)
                gst_row_stride = (arv_row_stride & ~(0x3)) + 4;
 
                size = arv_buffer->height * gst_row_stride;
-               data = g_malloc (size); 
+               data = g_malloc (size);
 
                for (i = 0; i < arv_buffer->height; i++)
                        memcpy (((char *) data) + i * gst_row_stride, ((char *) arv_buffer->data) + i * 
arv_row_stride, arv_row_stride);
@@ -355,15 +355,17 @@ gst_aravis_create (GstPushSrc * push_src, GstBuffer ** buffer)
                GST_BUFFER_SIZE (*buffer) = arv_buffer->size;
        }
 
-       if (gst_aravis->timestamp_offset == 0) {
-               gst_aravis->timestamp_offset = arv_buffer->timestamp_ns;
-               gst_aravis->last_timestamp = arv_buffer->timestamp_ns;
-       }
+       if (!gst_base_src_get_do_timestamp(GST_BASE_SRC(push_src))) {
+               if (gst_aravis->timestamp_offset == 0) {
+                       gst_aravis->timestamp_offset = arv_buffer->timestamp_ns;
+                       gst_aravis->last_timestamp = arv_buffer->timestamp_ns;
+               }
 
-       GST_BUFFER_TIMESTAMP (*buffer) = arv_buffer->timestamp_ns - gst_aravis->timestamp_offset;
-       GST_BUFFER_DURATION (*buffer) = arv_buffer->timestamp_ns - gst_aravis->last_timestamp;
+               GST_BUFFER_TIMESTAMP (*buffer) = arv_buffer->timestamp_ns - gst_aravis->timestamp_offset;
+               GST_BUFFER_DURATION (*buffer) = arv_buffer->timestamp_ns - gst_aravis->last_timestamp;
 
-       gst_aravis->last_timestamp = arv_buffer->timestamp_ns;
+               gst_aravis->last_timestamp = arv_buffer->timestamp_ns;
+       }
 
        arv_stream_push_buffer (gst_aravis->stream, arv_buffer);