I think there's a bug in tag processing. Here's a simple script to demonstrate
the problem. If DELAY is set to a small value <6000, we get the expected
output. However, if DELAY is set to 8000, the tag never comes out. The same
problem can be observed using the blocks.vector_insert_b block, indicating that
the bug is in the runtime.
------------------------
DELAY = 8000
from gnuradio import gr, blocks
import pmt
print "Version", gr.version()
top = gr.top_block()
tag = gr.python_to_tag((0, pmt.to_pmt('A'), pmt.to_pmt(1), pmt.PMT_NIL))
src = blocks.vector_source_s(range(10000), tags=[tag], repeat=False)
dly = blocks.delay(gr.sizeof_short, DELAY)
snk = blocks.tag_debug(gr.sizeof_short, 'A')
top.connect(src, dly, snk)
--------------
expected output:
Version v3.7.9.1-97-gc0381e0e
----------------------------------------------------------------------
Tag Debug: A
Input Stream: 00
Offset: 6000 Source: n/a Key: A Value: 1
----------------------------------------------------------------------
________________________
Eugene Grayver, Ph.D.
Aerospace Corp., Sr. Eng. Spec.
Tel: 310.336.1274
________________________
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