blocks: removed peak_detector2 and regenerate blocks from gnuradio-core.

author: Tom Rondeau <trondeau@vt.edu> 2013-02-24 14:22:17 -0500
committer: Tom Rondeau <trondeau@vt.edu> 2013-02-24 14:22:17 -0500
commit: f22f9ab1466b99e6f3e897f3867c2ccff4f5a2f5 (patch)
tree: d784619f7b38d2fd707004329c4f6dc9fb3bbf6e /gnuradio-core/src
parent: f7590a9bc0ac83e889a1934322da40093409c409 (diff)
9 files changed, 0 insertions, 561 deletions
diff --git a/gnuradio-core/src/lib/general/CMakeLists.txt b/gnuradio-core/src/lib/general/CMakeLists.txt
index de75dee7b8..581d57f8d8 100644
--- a/gnuradio-core/src/lib/general/CMakeLists.txt
+++ b/gnuradio-core/src/lib/general/CMakeLists.txt
@@ -163,10 +163,8 @@ set(gr_core_general_triple_threats
     gr_null_sink
     gr_null_source
     gr_pa_2x2_phase_combiner
-    gr_peak_detector2_fb
     gr_prefs
     gr_random_pdu
-    gr_regenerate_bb
     gr_remez
     gr_skiphead
     gr_stretch_ff
diff --git a/gnuradio-core/src/lib/general/general.i b/gnuradio-core/src/lib/general/general.i
index 092582475d..64b2816327 100644
--- a/gnuradio-core/src/lib/general/general.i
+++ b/gnuradio-core/src/lib/general/general.i
@@ -44,7 +44,6 @@
 #include <gr_transcendental.h>
 #include <gr_vco_f.h>
 #include <gr_threshold_ff.h>
-#include <gr_regenerate_bb.h>
 #include <gr_pa_2x2_phase_combiner.h>
 #include <gr_kludge_copy.h>
 #include <gr_prefs.h>
@@ -55,7 +54,6 @@
 #include <gr_pack_k_bits_bb.h>
 #include <gr_feval.h>
 #include <gr_bin_statistics_f.h>
-#include <gr_peak_detector2_fb.h>
 #include <gr_stretch_ff.h>
 #include <gr_copy.h>
 #include <complex_vec_test.h>
@@ -90,7 +88,6 @@
 %include "gr_transcendental.i"
 %include "gr_vco_f.i"
 %include "gr_threshold_ff.i"
-%include "gr_regenerate_bb.i"
 %include "gr_pa_2x2_phase_combiner.i"
 %include "gr_kludge_copy.i"
 %include "gr_prefs.i"
@@ -101,7 +98,6 @@
 %include "gr_pack_k_bits_bb.i"
 %include "gr_feval.i"
 %include "gr_bin_statistics_f.i"
-%include "gr_peak_detector2_fb.i"
 %include "gr_stretch_ff.i"
 %include "gr_copy.i"
 %include "complex_vec_test.i"
diff --git a/gnuradio-core/src/lib/general/gr_peak_detector2_fb.cc b/gnuradio-core/src/lib/general/gr_peak_detector2_fb.cc
deleted file mode 100644
index a4179a8c2a..0000000000
--- a/gnuradio-core/src/lib/general/gr_peak_detector2_fb.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007,2010 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 <gr_peak_detector2_fb.h>
-#include <gr_io_signature.h>
-#include <string.h>
-
-gr_peak_detector2_fb_sptr
-gr_make_peak_detector2_fb (float threshold_factor_rise,
-			   int look_ahead, float alpha)
-{
-  return gnuradio::get_initial_sptr(new gr_peak_detector2_fb (threshold_factor_rise,
-				  look_ahead, alpha));
-}
-
-gr_peak_detector2_fb::gr_peak_detector2_fb (float threshold_factor_rise,
-					    int look_ahead, float alpha)
-  : gr_sync_block ("peak_detector2_fb",
-		   gr_make_io_signature (1, 1, sizeof(float)),
-		   gr_make_io_signature2 (1, 2, sizeof(char), sizeof(float))),
-    d_threshold_factor_rise(threshold_factor_rise),
-    d_look_ahead(look_ahead), d_alpha(alpha), d_avg(0.0f), d_found(false)
-{
-}
-
-int
-gr_peak_detector2_fb::work (int noutput_items,
-			    gr_vector_const_void_star &input_items,
-			    gr_vector_void_star &output_items) {
-  float *iptr = (float *) input_items[0];
-  char *optr = (char *) output_items[0];
-
-  assert(noutput_items >= 2);
-
-  memset(optr, 0, noutput_items*sizeof(char));
-
-  for (int i = 0; i < noutput_items; i++) {
-
-    if (!d_found) {
-      // Have not yet detected presence of peak
-      if (iptr[i] > d_avg * (1.0f + d_threshold_factor_rise)) {
-	d_found = true;
-	d_look_ahead_remaining = d_look_ahead;
-        d_peak_val = -(float)INFINITY;
-      }
-      else {
-	d_avg = d_alpha*iptr[i] + (1.0f - d_alpha)*d_avg;
-      }
-    }
-    else {
-      // Detected presence of peak
-      if (iptr[i] > d_peak_val) {
-        d_peak_val = iptr[i];
-        d_peak_ind = i;
-      }
-      else if (d_look_ahead_remaining <= 0) {
-        optr[d_peak_ind] = 1;
-        d_found = false;
-        d_avg = iptr[i];
-      }
-
-      // Have not yet located peak, loop and keep searching.
-      d_look_ahead_remaining--;
-    }
-
-    // Every iteration of the loop, write debugging signal out if
-    // connected:
-    if (output_items.size() == 2) {
-      float *sigout = (float *) output_items[1];
-      sigout[i] = d_avg;
-    }
-  } // loop
-
-  if (!d_found)
-    return noutput_items;
-
-  // else if detected presence, keep searching during the next call to work.
-  int tmp = d_peak_ind;
-  d_peak_ind = 1;
-
-  return tmp - 1;
-}
-
-
diff --git a/gnuradio-core/src/lib/general/gr_peak_detector2_fb.h b/gnuradio-core/src/lib/general/gr_peak_detector2_fb.h
deleted file mode 100644
index 665a6b882c..0000000000
--- a/gnuradio-core/src/lib/general/gr_peak_detector2_fb.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007 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.
- */
-
-#ifndef INCLUDED_gr_peak_detector2_FB_H
-#define INCLUDED_gr_peak_detector2_FB_H
-
-#include <gr_core_api.h>
-#include <gr_sync_block.h>
-
-class gr_peak_detector2_fb;
-typedef boost::shared_ptr<gr_peak_detector2_fb> gr_peak_detector2_fb_sptr;
-
-GR_CORE_API gr_peak_detector2_fb_sptr gr_make_peak_detector2_fb (float threshold_factor_rise = 7,
-						     int look_ahead = 1000,
-						     float alpha = 0.001);
-
-/*!
- * \brief Detect the peak of a signal
- * \ingroup level_blk
- *
- * If a peak is detected, this block outputs a 1,
- * or it outputs 0's.  A separate debug output may be connected, to
- * view the internal EWMA described below.
- *
- * \param threshold_factor_rise The threshold factor determins when a peak
- *        is present. An EWMA average of the signal is calculated and when the
- *        value of the signal goes over threshold_factor_rise*average, we
- *        call the peak.
- * \param look_ahead The look-ahead value is used when the threshold is
- *        found to locate the peak within this range.
- * \param alpha The gain value of a single-pole moving average filter
- */
-
-class GR_CORE_API gr_peak_detector2_fb : public gr_sync_block
-{
-  friend GR_CORE_API gr_peak_detector2_fb_sptr
-  gr_make_peak_detector2_fb (float threshold_factor_rise, int look_ahead, float alpha);
-
-  gr_peak_detector2_fb (float threshold_factor_rise, int look_ahead, float alpha);
-
-private:
-  float d_threshold_factor_rise;
-  int d_look_ahead;
-  int d_look_ahead_remaining;
-  int d_peak_ind;
-  float d_peak_val;
-  float d_alpha;
-  float d_avg;
-  bool d_found;
-
-public:
-
-  /*! \brief Set the threshold factor value for the rise time
-   *  \param thr new threshold factor
-   */
-  void set_threshold_factor_rise(float thr) { d_threshold_factor_rise = thr; }
-
-  /*! \brief Set the look-ahead factor
-   *  \param look new look-ahead factor
-   */
-  void set_look_ahead(int look) { d_look_ahead = look; }
-
-  /*! \brief Set the running average alpha
-   *  \param alpha new alpha for running average
-   */
-  void set_alpha(int alpha) { d_alpha = alpha; }
-
-  /*! \brief Get the threshold factor value for the rise time
-   *  \return threshold factor
-   */
-  float threshold_factor_rise() { return d_threshold_factor_rise; }
-
-  /*! \brief Get the look-ahead factor value
-   *  \return look-ahead factor
-   */
-  int look_ahead() { return d_look_ahead; }
-
-  /*! \brief Get the alpha value of the running average
-   *  \return alpha
-   */
-  float alpha() { return d_alpha; }
-
-  int work (int noutput_items,
-	    gr_vector_const_void_star &input_items,
-	    gr_vector_void_star &output_items);
-};
-
-#endif
-
-
diff --git a/gnuradio-core/src/lib/general/gr_peak_detector2_fb.i b/gnuradio-core/src/lib/general/gr_peak_detector2_fb.i
deleted file mode 100644
index ec7227e690..0000000000
--- a/gnuradio-core/src/lib/general/gr_peak_detector2_fb.i
+++ /dev/null
@@ -1,45 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007 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.
- */
-
-
-GR_SWIG_BLOCK_MAGIC(gr,peak_detector2_fb)
-
-  gr_peak_detector2_fb_sptr gr_make_peak_detector2_fb (float threshold_factor_rise = 7,
-						       int look_ahead = 1000,
-						       float alpha=0.001);
-
-class gr_peak_detector2_fb : public gr_sync_block
-{
-private:
-  gr_peak_detector2_fb (float threshold_factor_rise, int look_ahead, float alpha);
-
-public:
-  void set_threshold_factor_rise(float thr) { d_threshold_factor_rise = thr; }
-  void set_look_ahead(int look) { d_look_ahead = look; }
-  void set_alpha(int alpha) { d_avg_alpha = alpha; }
-
-  float threshold_factor_rise() { return d_threshold_factor_rise; }
-  int look_ahead() { return d_look_ahead; }
-  float alpha() { return d_avg_alpha; }
-};
-
-
diff --git a/gnuradio-core/src/lib/general/gr_regenerate_bb.cc b/gnuradio-core/src/lib/general/gr_regenerate_bb.cc
deleted file mode 100644
index c96cf247d0..0000000000
--- a/gnuradio-core/src/lib/general/gr_regenerate_bb.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007,2010 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 <gr_regenerate_bb.h>
-#include <gr_io_signature.h>
-
-gr_regenerate_bb_sptr
-gr_make_regenerate_bb (int period, unsigned int max_regen)
-{
-  return gnuradio::get_initial_sptr(new gr_regenerate_bb (period, max_regen));
-}
-
-gr_regenerate_bb::gr_regenerate_bb (int period, unsigned int max_regen)
-  : gr_sync_block ("regenerate_bb",
-		   gr_make_io_signature (1, 1, sizeof (char)),
-		   gr_make_io_signature (1, 1, sizeof (char))),
-    d_period(period),
-    d_countdown(0),
-    d_max_regen(max_regen),
-    d_regen_count(max_regen)
-{
-}
-
-void gr_regenerate_bb::set_max_regen(unsigned int regen)
-{
-  d_max_regen = regen;
-  d_countdown = 0;
-  d_regen_count = d_max_regen;
-}
-
-void gr_regenerate_bb::set_period(int period)
-{
-  d_period = period;
-  d_countdown = 0;
-  d_regen_count = d_max_regen;
-}
-
-int
-gr_regenerate_bb::work (int noutput_items,
-			gr_vector_const_void_star &input_items,
-			gr_vector_void_star &output_items)
-{
-  const char *iptr = (const char *) input_items[0];
-  char *optr = (char *) output_items[0];
-
-  for (int i = 0; i < noutput_items; i++){
-    optr[i] = 0;
-
-    if(d_regen_count < d_max_regen) {
-      d_countdown--;
-
-      if(d_countdown == 0) {
-	optr[i] = 1;
-	d_countdown = d_period;
-	d_regen_count++;
-      }
-    }
-
-    if(iptr[i] == 1) {
-      d_countdown = d_period;
-      optr[i] = 1;
-      d_regen_count = 0;
-    }
-
-  }
-  return noutput_items;
-}
diff --git a/gnuradio-core/src/lib/general/gr_regenerate_bb.h b/gnuradio-core/src/lib/general/gr_regenerate_bb.h
deleted file mode 100644
index e820db69e8..0000000000
--- a/gnuradio-core/src/lib/general/gr_regenerate_bb.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007 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.
- */
-
-#ifndef INCLUDED_GR_REGENERATE_BB_H
-#define INCLUDED_GR_REGENERATE_BB_H
-
-#include <gr_core_api.h>
-#include <gr_sync_block.h>
-
-class gr_regenerate_bb;
-typedef boost::shared_ptr<gr_regenerate_bb> gr_regenerate_bb_sptr;
-
-GR_CORE_API gr_regenerate_bb_sptr gr_make_regenerate_bb (int period, unsigned int max_regen=500);
-
-/*!
- * \brief Detect the peak of a signal and repeat every period samples
- * \ingroup level_blk
- *
- * If a peak is detected, this block outputs a 1 repeated every period samples
- * until reset by detection of another 1 on the input or stopped after max_regen
- * regenerations have occurred.
- *
- * Note that if max_regen=(-1)/ULONG_MAX then the regeneration will run forever.
- */
-class GR_CORE_API gr_regenerate_bb : public gr_sync_block
-{
-  /*!
-   * \brief Make a regenerate block
-   * \param period The number of samples between regenerations
-   * \param max_regen The maximum number of regenerations to perform; if set to
-   * ULONG_MAX, it will regenerate continuously.
-   */
-  friend GR_CORE_API gr_regenerate_bb_sptr gr_make_regenerate_bb (int period, unsigned int max_regen);
-
-  gr_regenerate_bb (int period, unsigned int max_regen);
-
- private:
-  int d_period;
-  int d_countdown;
-  unsigned int d_max_regen;
-  unsigned int d_regen_count;
-
- public:
-  /*! \brief Reset the maximum regeneration count; this will reset the current regen.
-   */
-  void set_max_regen(unsigned int regen);
-
-  /*! \brief Reset the period of regenerations; this will reset the current regen.
-   */
-  void set_period(int period);
-
-  int work (int noutput_items,
-	    gr_vector_const_void_star &input_items,
-	    gr_vector_void_star &output_items);
-};
-
-#endif
diff --git a/gnuradio-core/src/lib/general/gr_regenerate_bb.i b/gnuradio-core/src/lib/general/gr_regenerate_bb.i
deleted file mode 100644
index 064b0a2789..0000000000
--- a/gnuradio-core/src/lib/general/gr_regenerate_bb.i
+++ /dev/null
@@ -1,38 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007 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.
- */
-
-GR_SWIG_BLOCK_MAGIC(gr,regenerate_bb)
-
-gr_regenerate_bb_sptr gr_make_regenerate_bb (int period, unsigned int max_regen=500);
-
-class gr_regenerate_bb : public gr_sync_block
-{
- private:
-  gr_regenerate_bb (int period, unsigned int max_regen);
-
-public:
-  void set_max_regen(unsigned int regen);
-
-  /*! \brief Reset the period of regenerations; this will reset the current regen.
-   */
-  void set_period(int period);
-};
diff --git a/gnuradio-core/src/python/gnuradio/gr/qa_regenerate.py b/gnuradio-core/src/python/gnuradio/gr/qa_regenerate.py
deleted file mode 100755
index 5aca03b777..0000000000
--- a/gnuradio-core/src/python/gnuradio/gr/qa_regenerate.py
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2007,2010 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.
-#
-
-from gnuradio import gr, gr_unittest
-import math
-
-class test_regenerate (gr_unittest.TestCase):
-
-    def setUp (self):
-        self.tb = gr.top_block ()
-
-    def tearDown (self):
-        self.tb = None
-
-    def test_regen1 (self):
-        tb = self.tb
-
-        data = [0, 0, 0,
-                1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
-
-        expected_result = (0, 0, 0,
-                           1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
-                           1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
-
-
-        src = gr.vector_source_b(data, False)
-        regen = gr.regenerate_bb(5, 2)
-        dst = gr.vector_sink_b()
-
-        tb.connect (src, regen)
-        tb.connect (regen, dst)
-        tb.run ()
-
-        dst_data = dst.data ()
-
-        self.assertEqual (expected_result, dst_data)
-
-    def test_regen2 (self):
-        tb = self.tb
-
-        data = 200*[0,]
-        data[9] = 1
-        data[99] = 1
-
-        expected_result = 200*[0,]
-        expected_result[9]   = 1
-        expected_result[19]  = 1
-        expected_result[29]  = 1
-        expected_result[39]  = 1
-
-        expected_result[99]  = 1
-        expected_result[109]  = 1
-        expected_result[119]  = 1
-        expected_result[129]  = 1
-
-        src = gr.vector_source_b(data, False)
-        regen = gr.regenerate_bb(10, 3)
-        dst = gr.vector_sink_b()
-
-        tb.connect (src, regen)
-        tb.connect (regen, dst)
-        tb.run ()
-
-        dst_data = dst.data ()
-
-        self.assertEqual (tuple(expected_result), dst_data)
-
-
-if __name__ == '__main__':
-    gr_unittest.run(test_regenerate, "test_regenerate.xml")
author	Tom Rondeau <trondeau@vt.edu>	2013-02-24 14:22:17 -0500
committer	Tom Rondeau <trondeau@vt.edu>	2013-02-24 14:22:17 -0500
commit	f22f9ab1466b99e6f3e897f3867c2ccff4f5a2f5 (patch)
tree	d784619f7b38d2fd707004329c4f6dc9fb3bbf6e /gnuradio-core/src
parent	f7590a9bc0ac83e889a1934322da40093409c409 (diff)