From 97ff82dd63f06ad51992222c160a9673260b13f7 Mon Sep 17 00:00:00 2001
From: Ben Reynwar
Date: Tue, 22 Jan 2013 12:46:01 -0700
Subject: core: Add min_noutput_items to gr_block.

---
 gnuradio-core/src/lib/runtime/gr_block.h | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'gnuradio-core/src/lib/runtime/gr_block.h')

diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h
index 7a70bdaf0..52cf723a9 100644
--- a/gnuradio-core/src/lib/runtime/gr_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_block.h
@@ -251,6 +251,23 @@ class GR_CORE_API gr_block : public gr_basic_block {
    */
   void set_tag_propagation_policy(tag_propagation_policy_t p);
 
+  /*!
+   * \brief Return the minimum number of output items this block can
+   * produce during a call to work.
+   *
+   * Should be 0 for most blocks.  Useful if we're dealing with packets and
+   * the block produces one packet per call to work.
+  */
+  int min_noutput_items() const { return d_min_noutput_items; }
+
+  /*!
+   * \brief Set the minimum number of output items this block can
+   * produce during a call to work.
+   *
+   * \param m the minimum noutput_items this block can produce.
+   */
+  void set_min_noutput_items(int m) { d_min_noutput_items = m; }
+
   /*!
    * \brief Return the maximum number of output items this block will
    * handle during a call to work.
@@ -258,7 +275,7 @@ class GR_CORE_API gr_block : public gr_basic_block {
   int max_noutput_items();
 
   /*!
-   * \brief Set the maximum number of ouput items htis block will
+   * \brief Set the maximum number of output items this block will
    * handle during a call to work.
    *
    * \param m the maximum noutput_items this block will handle.
@@ -370,6 +387,7 @@ class GR_CORE_API gr_block : public gr_basic_block {
   gr_block_detail_sptr	d_detail;		// implementation details
   unsigned              d_history;
   bool                  d_fixed_rate;
+  int                   d_min_noutput_items;
   bool                  d_max_noutput_items_set;     // if d_max_noutput_items is valid
   int                   d_max_noutput_items;         // value of max_noutput_items for this block
   tag_propagation_policy_t d_tag_propagation_policy; // policy for moving tags downstream
-- 
cgit