plugin for x264 video encoder

svn path=/trunk/; revision=2

diff --git a/plugins/v_x264.py b/plugins/v_x264.py
new file mode 100644 (file)
index 0000000..38678fe
--- /dev/null
+++ b/plugins/v_x264.py
@@ -0,0 +1,121 @@
+#encoding: utf-8
+#Copyright 2009 Paul Hänsch
+
+#This file is part of Viper.
+
+#Viper is free software: you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation, either version 3 of the License, or
+#(at your option) any later version.
+
+#Viper is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+
+#You should have received a copy of the GNU General Public License
+#along with Viper.  If not, see <http://www.gnu.org/licenses/>
+
+from plugin import *
+
+class V_x264(V_Plugin):
+    def build_dialog(self):
+        self.subgets['l_profile'] = Label(self, text = 'Profile:')
+        self.subgets['l_profile'].grid(row = 0, column = 0)
+        self.subgets['o_profile'] = Pmw.OptionMenu(self, initialitem = 2,
+                                                items = ['baseline', 'main', 'high'])
+        self.subgets['o_profile'].grid(row = 1, column = 0)
+
+        self.subgets['l_preset'] = Label(self, text = 'Preset:')
+        self.subgets['l_preset'].grid(row = 0, column = 1)
+        self.subgets['o_preset'] = Pmw.OptionMenu(self, initialitem = 5,
+                                                items = ['ultrafast', 'superfast', 'veryfast', 'faster',
+                                                        'fast', 'medium', 'slow', 'slower', 'veryslow',
+                                                        'placebo'])
+        self.subgets['o_preset'].grid(row = 1, column = 1)
+
+        self.subgets['l_keyint'] = Label(self, text = 'Keyframe\nInterval:')
+        self.subgets['l_keyint'].grid(row = 0, column = 2)
+        self.subgets['s_keyint'] = Spinbox(self, from_ = 1, to = 2000, increment = 25, width = 5)
+        self.subgets['s_keyint'].delete(0, END)
+        self.subgets['s_keyint'].insert(END, 250)
+        self.subgets['s_keyint'].grid(row = 1, column = 2)
+
+        self.subgets['psy'] = False
+        self.subgets['c_psy'] = Checkbutton(self, text = 'Psychovisual\nOptimization:', command = self.c_psy)
+        self.subgets['c_psy'].deselect()
+        self.subgets['c_psy'].grid(row = 0, column = 3)
+       self.subgets['o_psy'] = Pmw.OptionMenu(self, initialitem = 0, items = ['          '])
+        self.subgets['o_psy'].grid(row = 1, column = 3)
+
+        self.subgets['bitrate'] = False
+        self.subgets['c_bitrate'] = Checkbutton(self, text = 'Force avg.\nBitrate:', command = self.c_bitrate)
+        self.subgets['c_bitrate'].deselect()
+        self.subgets['c_bitrate'].grid(row = 0, column = 4)
+        self.subgets['s_bitrate'] = Spinbox(self, from_ = 0, to = 20000, increment = 100, width = 6)
+        self.subgets['s_bitrate'].delete(0, END)
+        self.subgets['s_bitrate'].insert(END, 4000)
+        self.subgets['s_bitrate'].config(state = 'disabled')
+        self.subgets['s_bitrate'].grid(row = 1, column = 4)
+
+        self.subgets['fastdecode'] = False
+        self.subgets['c_fastdecode'] = Checkbutton(self, text = 'Fastdecode', command = self.c_fastdecode)
+        self.subgets['c_fastdecode'].deselect()
+        self.subgets['c_fastdecode'].grid(row = 2, column = 1, columnspan = 2)
+
+        self.subgets['zerolatency'] = False
+        self.subgets['c_zerolatency'] = Checkbutton(self, text = 'Zerolatency', command = self.c_zerolatency)
+        self.subgets['c_zerolatency'].deselect()
+        self.subgets['c_zerolatency'].grid(row = 2, column = 3, columnspan = 2)
+
+    def c_psy(self):
+        if self.subgets['psy']:
+            self.subgets['o_psy'].setitems(['          '])
+        else:
+            self.subgets['o_psy'].setitems(['film', 'animation', 'grain', 'stillimage', 'psnr', 'ssim'])
+        self.subgets['psy'] = not self.subgets['psy']
+
+    def c_bitrate(self):
+        if self.subgets['bitrate']:
+            self.subgets['s_bitrate'].config(state = 'disabled')
+        else:
+            self.subgets['s_bitrate'].config(state = 'normal')
+        self.subgets['bitrate'] = not self.subgets['bitrate']
+
+    def c_fastdecode(self):
+        self.subgets['fastdecode'] = not self.subgets['fastdecode']
+
+    def c_zerolatency(self):
+        self.subgets['zerolatency'] = not self.subgets['zerolatency']
+
+    def name(self):
+        return 'h264 (via x264)'
+
+    def subcommand(self):
+        opts = ('profile=' + self.subgets['o_profile'].getvalue() + 
+               ':preset=' + self.subgets['o_preset'].getvalue() + 
+               ':keyint=' + self.subgets['s_keyint'].get())
+        if self.subgets['psy']:
+            opts += ':tune=' + self.subgets['o_psy'].getvalue()
+            if self.subgets['fastdecode']:
+                opts += ',fastdecode'
+            if self.subgets['zerolatency']:
+                opts += ',zerolatency'
+       elif self.subgets['fastdecode'] and self.subgets['zerolatency']:
+           opts += ':tune=fastdecode,zerolatency'
+       elif self.subgets['fastdecode']:
+           opts += ':tune=fastdecode'
+       elif self.subgets['zerolatency']:
+           opts += ':tune=zerolatency'
+        
+        return ['-ovc', 'x264', '-x264encopts', opts]
+
+    def is_available(self):
+        result = False
+        slave = os.popen2(['mencoder', '-ovc', 'help'])
+        line = '#'
+        while line != '':
+            line = slave[1].readline()
+            if line.lstrip().find('x264') == 0:
+                result = True
+        return result