From e140069eaa05a0b71bbacb014d596dc218383940 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <tom@trondeau.com>
Date: Tue, 29 Oct 2013 14:19:20 -0400
Subject: runtime: add concept up an automatic update_rate to gr::block.
When enabled, uses nitems_written/nitems_read to update the relative_rate of a block. Useful for blocks that change their relative rate based on activity in the work function. Disabled by default.
digital: PFB clock sync blocks set update_rate to True.
---
gnuradio-runtime/lib/block.cc | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
(limited to 'gnuradio-runtime/lib/block.cc')
diff --git a/gnuradio-runtime/lib/block.cc b/gnuradio-runtime/lib/block.cc
index e1369f9d47..af963c9977 100644
--- a/gnuradio-runtime/lib/block.cc
+++ b/gnuradio-runtime/lib/block.cc
@@ -52,6 +52,7 @@ namespace gr {
d_tag_propagation_policy(TPP_ALL_TO_ALL),
d_priority(-1),
d_pc_rpc_set(false),
+ d_update_rate(false),
d_max_output_buffer(std::max(output_signature->max_streams(),1), -1),
d_min_output_buffer(std::max(output_signature->max_streams(),1), -1)
{
@@ -444,7 +445,20 @@ namespace gr {
else
d_min_output_buffer[port] = min_output_buffer;
}
-
+
+
+ bool
+ block::update_rate() const
+ {
+ return d_update_rate;
+ }
+
+ void
+ block::enable_update_rate(bool en)
+ {
+ d_update_rate = en;
+ }
+
float
block::pc_noutput_items()
{
--
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