test using mjpg_streamer for webcam

screenless/bureau/photography/photography.py

@@ -1,5 +1,8 @@
+import os
 import subprocess
+import shutil
 import tempfile
+import time
 
 try:
     from pyA20.gpio import gpio, port
@@ -57,9 +60,20 @@ class Photography(Bureau):
         #cmd2 = "fswebcam --jpeg 95 --no-banner --resolution 1920x1080 "
         #cmd2 += "-F 2 -S 1" + tmpimg.name
         #cmd1 = "uvccapture -d/dev/video1 -x320 -y240 -o /dev/null"
-        cmd2 = "uvccapture -d/dev/video1 -D2 -m -x3264 -y2448 -o" + tmpimg.name
+        #cmd2 = "/usr/local/bin/uvccapture -m -x3264 -y2448 -o" + tmpimg.name
         #subprocess.check_output(cmd1.split())
-        subprocess.check_output(cmd2.split())
+        cmd = "../../lib/mjpg_streamer -i 'input_uvc.so -r 3264x2448 -n' -o 'output_file.so -f /tmp/webcam -d 500 -s 1'"
+
+        proc = subprocess.Popen(cmd.split())
+
+        # copy last image to the tmpfile
+        filelist = os.listdir()
+        newest = max(filelist, key=lambda x: os.stat(x).st_mtime)
+        shutil.copyfile(newest, tmpimg.name)
+        
+        time.sleep(2)
+        proc.terminate()
+
         self._doc_light_off()
         return {"photo": tmpimg.name}