diff options
Diffstat (limited to 'gnuradio-core/src/lib/runtime/gr_block.h')
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h index 96e07439ef..ee69309169 100644 --- a/gnuradio-core/src/lib/runtime/gr_block.h +++ b/gnuradio-core/src/lib/runtime/gr_block.h @@ -252,13 +252,30 @@ 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. */ 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. @@ -446,6 +463,7 @@ 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 |