[Performous-commit] Tapio Vierros : Webcam: if default resolution is smaller than VGA, try to get VGA.

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

Author: Tapio Vierros <tap...@gm...>
Date:   Wed Jul 18 13:47:31 2012 +0300

Webcam: if default resolution is smaller than VGA, try to get VGA.

---

 game/webcam.cc |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/game/webcam.cc b/game/webcam.cc
index 85fa849..561dff3 100644
--- a/game/webcam.cc
+++ b/game/webcam.cc
@@ -30,6 +30,17 @@ Webcam::Webcam(int cam_id):
 		if (!m_capture->isOpened())
 			throw std::runtime_error("Could not initialize webcam capturing!");
 	}
+	// Try to get at least VGA resolution
+	if (m_capture->get(CV_CAP_PROP_FRAME_WIDTH) < 640
+	  || m_capture->get(CV_CAP_PROP_FRAME_HEIGHT) < 480) {
+		m_capture->set(CV_CAP_PROP_FRAME_WIDTH, 640);
+		m_capture->set(CV_CAP_PROP_FRAME_HEIGHT, 480);
+	}
+	// Print actual values
+	std::cout << "Webcam frame properties: "
+	  << m_capture->get(CV_CAP_PROP_FRAME_WIDTH) << "x"
+	  << m_capture->get(CV_CAP_PROP_FRAME_HEIGHT) << std::endl;
+
 	// Initialize the video writer
 	#ifdef SAVE_WEBCAM_VIDEO
 	float fps = m_capture->get(CV_CAP_PROP_FPS);