From aa3eeec8a0b9065688a905dfbe10b95b85a3cc0a Mon Sep 17 00:00:00 2001
From: Calin Crisan <ccrisan@gmail.com>
Date: Mon, 12 May 2014 20:49:39 +0300
Subject: [PATCH] better available resolutions detection

---
 src/v4l2ctl.py      | 5 ++++-
 static/js/main.js   | 5 ++++-
 templates/main.html | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/v4l2ctl.py b/src/v4l2ctl.py
index d097fcf..79e6a0d 100644
--- a/src/v4l2ctl.py
+++ b/src/v4l2ctl.py
@@ -71,7 +71,7 @@ def list_resolutions(device):
     logging.debug('listing resolutions of device %(device)s...' % {'device': device})
     
     resolutions = set()
-    output = subprocess.check_output('v4l2-ctl -d %(device)s --list-formats-ext | grep -oE "[0-9]+x[0-9]+" || true' % {
+    output = subprocess.check_output('v4l2-ctl -d %(device)s --list-formats-ext | grep -vi stepwise | grep -oE "[0-9]+x[0-9]+" || true' % {
             'device': device}, shell=True)
 
     for pair in output.split('\n'):
@@ -83,6 +83,9 @@ def list_resolutions(device):
         width = int(width)
         height = int(height)
         
+        if width < 96 or height < 96: # some reasonable minimal values
+            continue
+        
         resolutions.add((width, height))
         
         logging.debug('found resolution %(width)sx%(height)s for device %(device)s' % {
diff --git a/static/js/main.js b/static/js/main.js
index fc033db..5baf633 100644
--- a/static/js/main.js
+++ b/static/js/main.js
@@ -1109,7 +1109,10 @@ function pushCameraConfig() {
     }
     
     /* also update the config stored in the camera frame div */
-    Object.update($('div.camera-frame#camera' + cameraId)[0].config, cameraConfig);
+    var cameraFrame = $('div.camera-frame#camera' + cameraId);
+    if (cameraFrame.length) {
+        Object.update(cameraFrame[0].config, cameraConfig);
+    }
 }
 
 function pushPreview(control) {
diff --git a/templates/main.html b/templates/main.html
index 3d5594e..41a5e53 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -473,7 +473,7 @@
             <img class="main-loading-progress" src="{{STATIC_URL}}img/main-loading-progress.gif">
         </div>
         <div class="footer">
-            <div class="copyright-note">copyright &copy; Calin Crisan 2013</div>
+            <div class="copyright-note">copyright &copy; Calin Crisan</div>
         </div> 
     </div>
     <div class="modal-glass"></div>
-- 
2.39.5