diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2014-01-11 16:16:39 +0100 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2014-01-11 16:16:39 +0100 |
| commit | 9d3b82bf518798635ddc9f1de8446ff37a5e2281 (patch) | |
| tree | d5ff0011ae4213f8ac8fc14ca72f38ba73c626a4 /FTNoIR_Tracker_PT | |
| parent | 786fbaef73c522b6d138145b612034913ff70d03 (diff) | |
prevent empty video frame upon race
Diffstat (limited to 'FTNoIR_Tracker_PT')
| -rw-r--r-- | FTNoIR_Tracker_PT/pt_video_widget.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/FTNoIR_Tracker_PT/pt_video_widget.cpp b/FTNoIR_Tracker_PT/pt_video_widget.cpp index 38c49567..75fa18a0 100644 --- a/FTNoIR_Tracker_PT/pt_video_widget.cpp +++ b/FTNoIR_Tracker_PT/pt_video_widget.cpp @@ -21,7 +21,7 @@ void PTVideoWidget::update_image(const cv::Mat& frame) const int rate = 40;
if (freshp)
return;
- if (!update_throttler.isValid() || update_throttler.elapsed() > rate)
+ if (frame.empty() || !update_throttler.isValid() || update_throttler.elapsed() > rate)
{
_frame = frame.clone();
update_throttler.restart();
|