Now can launch one process per core, and launch new ones when the old ones end

src/devede/avconv_converter.py

@@ -17,14 +17,90 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>
 
+from gi.repository import GLib
 import subprocess
-
+import os
 import devede.configuration_data
+import devede.executor
+
+class avconv_converter(devede.executor.executor):
+
+    supports_analize = False
+    supports_play = False
+    supports_convert = False
+    supports_menu = True
+    display_name = "AVCONV"
+
+    @staticmethod
+    def check_is_installed():
+        handle = subprocess.Popen(["avconv","-version"], stdout = subprocess.PIPE, stderr = subprocess.PIPE)
+        (stdout, stderr) = handle.communicate()
+        if 0==handle.wait():
+            return True
+        else:
+            return False
 
-class avconv_converter:
-    
     def __init__(self):
-        
+
+        devede.executor.executor.__init__(self)
         self.config = devede.configuration_data.configuration.get_config()
 
-                
+    def create_mpg(self,n_page,background_music,sound_length,pal,output_path):
+
+        self.n_page = n_page
+        self.sound_length = float(sound_length)
+        self.text = _("Creating menu %(X)d") % {"X": self.n_page}
+
+        self.command_var=[]
+        self.command_var.append("avconv")
+
+        self.command_var.append("-loop")
+        self.command_var.append("1")
+
+        self.command_var.append("-f")
+        self.command_var.append("image2")
+        self.command_var.append("-i")
+        self.command_var.append(os.path.join(output_path,"menu_"+str(n_page)+"_bg.png"))
+        self.command_var.append("-i")
+        self.command_var.append(background_music)
+
+        self.command_var.append("-y")
+        self.command_var.append("-target")
+        if pal:
+            self.command_var.append("pal-dvd")
+        else:
+            self.command_var.append("ntsc-dvd")
+        self.command_var.append("-acodec")
+        self.command_var.append("mp2")
+        self.command_var.append("-s")
+        if pal:
+            self.command_var.append("720x576")
+        else:
+            self.command_var.append("720x480")
+        self.command_var.append("-g")
+        self.command_var.append("12")
+        self.command_var.append("-b:v")
+        self.command_var.append("2500k")
+        self.command_var.append("-b:a")
+        self.command_var.append("192k")
+        self.command_var.append("-aspect")
+        self.command_var.append("4:3")
+
+        self.command_var.append("-t")
+        self.command_var.append(str(1+sound_length))
+
+        self.command_var.append(os.path.join(output_path,"menu_"+str(n_page)+".mpg"))
+
+    def process_stdout(self,data):
+
+        pass
+
+    def process_stderr(self,data):
+
+        pos = data[0].find("time=")
+        if (pos != -1):
+            pos+=5
+            pos2 = data[0].find(" ",pos)
+            if (pos2 != -1):
+                t = float(data[0][pos:pos2])
+                self.progress_bar[1].set_fraction(t / self.sound_length)