[Performous-commit] Tapio Vierros : Catch exceptions in webcam frame capturing.

[Tapio V. <aa...@us...>]

Module: performous
Branch: master
Commit: 0274a98f338e73b4f07c7f8667f4e0e4d58a5e9b

Author: Tapio Vierros <tap...@gm...>
Date:   Sat Aug 21 21:24:03 2010 +0300

Catch exceptions in webcam frame capturing.

---

 game/webcam.cc |   24 +++++++++++++-----------
 1 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/game/webcam.cc b/game/webcam.cc
index f1372aa..b1e1991 100644
--- a/game/webcam.cc
+++ b/game/webcam.cc
@@ -63,17 +63,19 @@ void Webcam::operator()() {
 	m_running = true;
 	while (!m_quit) {
 		if (m_running) {
-			// Get a new frame
-			cv::Mat frame;
-			*m_capture >> frame;
-			if (m_writer) *m_writer << frame;
-			boost::mutex::scoped_lock l(m_mutex);
-			// Copy the frame to storage
-			m_frame.width = frame.cols;
-			m_frame.height = frame.rows;
-			m_frame.data.assign(frame.data, frame.data + (m_frame.width * m_frame.height * 3));
-			// Notify renderer
-			m_frameAvailable = true;
+			try {
+				// Get a new frame
+				cv::Mat frame;
+				*m_capture >> frame;
+				if (m_writer) *m_writer << frame;
+				boost::mutex::scoped_lock l(m_mutex);
+				// Copy the frame to storage
+				m_frame.width = frame.cols;
+				m_frame.height = frame.rows;
+				m_frame.data.assign(frame.data, frame.data + (m_frame.width * m_frame.height * 3));
+				// Notify renderer
+				m_frameAvailable = true;
+			} catch (std::exception&) { std::cerr << "Error capturing webcam frame!" << std::endl; }
 		}
 		// Sleep a little, much if the cam isn't active
 		boost::thread::sleep(now() + (m_running ? 0.015 : 0.5));