>From 04282bd701228d22f8f658d7a94ac542b33fa034 Mon Sep 17 00:00:00 2001
From: Germain Zouein <address@hidden>
Date: Sat, 20 Jul 2013 03:52:39 +0300
Subject: [PATCH] preview Video using ffmpeg

---
 ranger/container/file.py                           |    2 +
 ranger/core/actions.py                             |   27 ++++++++++++
 ranger/gui/widgets/browsercolumn.py                |    8 ++++
 3 files changed, 37 insertions(+)

diff --git a/ranger/container/file.py b/ranger/container/file.py
index 7c83cac..4accbec 100644
--- a/ranger/container/file.py
+++ b/ranger/container/file.py
@@ -73,6 +73,8 @@ class File(FileSystemObject):
             return True
         if self.image and self.fm.settings.preview_images:
             return True
+        if self.video and self.fm.settings.preview_images:
+            return True
         if self.container:
             return False
         if PREVIEW_WHITELIST.search(self.basename):
diff --git a/ranger/core/actions.py b/ranger/core/actions.py
index 80b3597..deaced4 100644
--- a/ranger/core/actions.py
+++ b/ranger/core/actions.py
@@ -781,6 +781,8 @@ class Actions(FileManagerAware, EnvironmentAware, SettingsAware):
         pager = self.ui.open_pager()
         if self.settings.preview_images and self.thisfile.image:
             pager.set_image(self.thisfile.realpath)
+        elif self.settings.preview_images and self.thisfile.video:
+            self.thisfile.get_preview_source(pager.wid, pager.hei)
         else:
             pager.set_source(self.thisfile.get_preview_source(pager.wid, pager.hei))
 
@@ -802,6 +804,31 @@ class Actions(FileManagerAware, EnvironmentAware, SettingsAware):
             pager.set_image(path)
             return None
 
+        if self.settings.preview_images and file.video:
+            from hashlib import sha1
+            try:
+                data = self.previews[path]
+            except:
+                data = self.previews[path] = {'loading': True}
+            else:
+                if data['loading'] is True:
+                    return None
+                else:
+                    self.notify(data['fhash'])
+                    return data['fhash']
+            data['fhash'] = '/tmp/' + sha1(path.encode()).hexdigest() + '.png'
+            cmd = CommandLoader(["ffmpeg", "-itsoffset", "-10",
+                                 "-i", path, "-vframes", "1", "-y",
+                                 data['fhash']],
+                                descr="loading preview image", silent=True)
+            def on_after(signal):
+                data['loading'] = False
+                pager.set_image(data['fhash'])
+                if self.thisfile and self.thisfile.realpath == path:
+                    self.ui.need_redraw = True
+            cmd.signal_bind('after', on_after)
+            self.loader.add(cmd)
+
         if self.settings.preview_script and self.settings.use_preview_script:
             # self.previews is a 2 dimensional dict:
             # self.previews['/tmp/foo.jpg'][(80, 24)] = "the content..."
diff --git a/ranger/gui/widgets/browsercolumn.py b/ranger/gui/widgets/browsercolumn.py
index d705e6b..5f057e0 100644
--- a/ranger/gui/widgets/browsercolumn.py
+++ b/ranger/gui/widgets/browsercolumn.py
@@ -11,6 +11,7 @@ from time import time
 from . import Widget
 from .pager import Pager
 from ranger.ext.widestring import WideString
+from ranger.core.loader import CommandLoader
 
 from ranger.gui.color import *
 
@@ -181,6 +182,13 @@ class BrowserColumn(Pager):
         if self.fm.settings.preview_images and self.target.image:
             self.set_image(self.target.realpath)
             Pager.draw(self)
+        elif self.fm.settings.preview_images and self.target.video:
+            f = self.target.get_preview_source(self.wid, self.hei)
+            if f is None:
+                Pager.close(self)
+            else:
+                self.set_image(f)
+                Pager.draw(self)
         else:
             f = self.target.get_preview_source(self.wid, self.hei)
             if f is None:
-- 
1.7.10.4