1 files changed, 113 insertions, 0 deletions
diff --git a/gr-blocks/lib/annotator_raw_impl.cc b/gr-blocks/lib/annotator_raw_impl.cc
new file mode 100644
index 0000000000..ee5deb1f6b
--- /dev/null
+++ b/gr-blocks/lib/annotator_raw_impl.cc
@@ -0,0 +1,113 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2010,2013 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "annotator_raw_impl.h"
+#include <gr_io_signature.h>
+#include <string.h>
+#include <iostream>
+#include <iomanip>
+#include <stdexcept>
+
+using namespace pmt;
+
+namespace gr {
+  namespace blocks {
+
+    annotator_raw::sptr
+    annotator_raw::make(size_t sizeof_stream_item)
+    {
+      return gnuradio::get_initial_sptr
+        (new annotator_raw_impl(sizeof_stream_item));
+    }
+
+    annotator_raw_impl::annotator_raw_impl(size_t sizeof_stream_item)
+      : gr_sync_block("annotator_raw",
+                      gr_make_io_signature(1, 1, sizeof_stream_item),
+                      gr_make_io_signature(1, 1, sizeof_stream_item)),
+        d_itemsize(sizeof_stream_item)
+    {
+      set_tag_propagation_policy(TPP_ONE_TO_ONE);
+      set_relative_rate(1.0);
+    }
+
+    annotator_raw_impl::~annotator_raw_impl()
+    {
+    }
+
+    void
+    annotator_raw_impl::add_tag(uint64_t offset, pmt_t key, pmt_t val)
+    {
+      gr::thread::scoped_lock l(d_mutex);
+
+      gr_tag_t tag;
+      tag.srcid = pmt::intern(name());
+      tag.key = key;
+      tag.value = val;
+      tag.offset = offset;
+
+      // add our new tag
+      d_queued_tags.push_back(tag);
+      // make sure our tags are in offset order
+      std::sort(d_queued_tags.begin(), d_queued_tags.end(),
+                gr_tag_t::offset_compare);
+      // make sure we are not adding an item in the past!
+      if(tag.offset > nitems_read(0)) {
+        throw std::runtime_error("annotator_raw::add_tag: item added too far in the past\n.");
+      }
+    }
+
+    int
+    annotator_raw_impl::work(int noutput_items,
+                             gr_vector_const_void_star &input_items,
+                             gr_vector_void_star &output_items)
+    {
+      gr::thread::scoped_lock l(d_mutex);
+
+      const char *in = (const char*)input_items[0];
+      char *out = (char*)output_items[0];
+
+      uint64_t start_N = nitems_read(0);
+      uint64_t end_N = start_N + (uint64_t)(noutput_items);
+   
+      // locate queued tags that fall in this range and insert them when appropriate
+      std::vector<gr_tag_t>::iterator i = d_queued_tags.begin();
+      while( i != d_queued_tags.end() ) {
+        if( (*i).offset >= start_N && (*i).offset < end_N) {
+          add_item_tag(0, (*i).offset,(*i).key, (*i).value, (*i).srcid);
+          i = d_queued_tags.erase(i);
+        } 
+        else {
+          break;
+        }
+      }
+
+      // copy data across
+      memcpy(out, in, noutput_items*d_itemsize);
+      return noutput_items;
+    }
+
+  } /* namespace blocks */
+} /* namespace gr */