diff options
Diffstat (limited to 'gr-qtgui/lib/time_sink_c_impl.cc')
| -rw-r--r-- | gr-qtgui/lib/time_sink_c_impl.cc | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gr-qtgui/lib/time_sink_c_impl.cc b/gr-qtgui/lib/time_sink_c_impl.cc index 25d5a687d1..a6b1afc3f9 100644 --- a/gr-qtgui/lib/time_sink_c_impl.cc +++ b/gr-qtgui/lib/time_sink_c_impl.cc @@ -563,12 +563,15 @@ namespace gr { nr, nr + nitems + 1, d_trigger_tag_key); if(tags.size() > 0) { - d_triggered = true; trigger_index = tags[0].offset - nr; - d_start = d_index + trigger_index - d_trigger_delay - 1; - d_end = d_start + d_size; - d_trigger_count = 0; - _adjust_tags(-d_start); + int start = d_index + trigger_index - d_trigger_delay - 1; + if (start >= 0) { + d_triggered = true; + d_start = start; + d_end = d_start + d_size; + d_trigger_count = 0; + _adjust_tags(-d_start); + } } } |