diff --git a/sigal/gallery.py b/sigal/gallery.py
index dc5e7f0..6023d85 100644
--- a/sigal/gallery.py
+++ b/sigal/gallery.py
@@ -44,7 +44,7 @@ from .compat import PY2, UnicodeMixin, strxfrm, url_quote, text_type
 from .image import process_image, get_exif_tags, get_exif_data
 from .settings import get_thumb
 from .utils import (Devnull, copy, check_or_create_dir, url_from_path,
-                    read_markdown, cached_property)
+                    read_markdown, cached_property, is_valid_html5_video)
 from .video import process_video
 from .writer import Writer
 
@@ -176,11 +176,12 @@ class Video(Media):
 
     def __init__(self, filename, path, settings):
         super(Video, self).__init__(filename, path, settings)
-        base = splitext(filename)[0]
+        (base, ext) = splitext(filename)
         self.date = None
         self.src_filename = filename
-        self.filename = self.url = base + '.webm'
-        self.dst_path = join(settings['destination'], path, base + '.webm')
+        if not settings['use_orig'] or not is_valid_html5_video(ext):
+            self.filename = self.url = base + '.webm'
+            self.dst_path = join(settings['destination'], path, base + '.webm')
 
 
 class Album(UnicodeMixin):
diff --git a/sigal/utils.py b/sigal/utils.py
index 3e93992..62ed276 100644
--- a/sigal/utils.py
+++ b/sigal/utils.py
@@ -99,6 +99,9 @@ def call_subprocess(cmd):
         stdout = stdout.decode('utf8')
     return p.returncode, stdout, stderr
 
+def is_valid_html5_video(ext):
+    """Checks if ext is a supported HTML5 video."""
+    return ext in ('.mp4', '.webm', '.ogv')
 
 class cached_property(object):
     """ A property that is only computed once per instance and then replaces
diff --git a/sigal/video.py b/sigal/video.py
index 8d827eb..0193824 100644
--- a/sigal/video.py
+++ b/sigal/video.py
@@ -29,9 +29,9 @@ import re
 import shutil
 from os.path import splitext
 
-from . import image
+from . import image, utils
 from .settings import get_thumb, Status
-from .utils import call_subprocess
+from .utils import call_subprocess, is_valid_html5_video
 
 
 class SubprocessException(Exception):
@@ -75,12 +75,12 @@ def video_size(source):
     return x, y
 
 
-def generate_video(source, outname, size, options=None):
+def generate_video(source, outname, settings, options=None):
     """Video processor.
 
     :param source: path to a video
     :param outname: path to the generated video
-    :param size: size of the resized video `(width, height)`
+    :param settings: settings dict
     :param options: array of options passed to ffmpeg
 
     """
@@ -89,7 +89,7 @@ def generate_video(source, outname, size, options=None):
     # Don't transcode if source is in the required format and
     # has fitting datedimensions, copy instead.
     w_src, h_src = video_size(source)
-    w_dst, h_dst = size
+    w_dst, h_dst = settings['video_size']
     logger.debug('Video size: %i, %i -> %i, %i', w_src, h_src, w_dst, h_dst)
 
     base, src_ext = splitext(source)
@@ -149,12 +149,16 @@ def process_video(filepath, outpath, settings):
     """Process a video: resize, create thumbnail."""
 
     filename = os.path.split(filepath)[1]
-    basename = splitext(filename)[0]
-    outname = os.path.join(outpath, basename + '.webm')
+    (basename, ext) = splitext(filename)
 
     try:
-        generate_video(filepath, outname, settings['video_size'],
-                       options=settings['webm_options'])
+        if settings['use_orig'] and is_valid_html5_video(ext):
+            outname = os.path.join(outpath, filename)
+            utils.copy(filepath, outname, symlink=settings['orig_link'])
+        else:
+            outname = os.path.join(outpath, basename + '.webm')
+            generate_video(filepath, outname, settings,
+                           options=settings['webm_options'])
     except Exception:
         return Status.FAILURE
 
diff --git a/tests/test_gallery.py b/tests/test_gallery.py
index 559f0c9..759fcfa 100644
--- a/tests/test_gallery.py
+++ b/tests/test_gallery.py
@@ -114,6 +114,7 @@ def test_image(settings, tmpdir):
 
 def test_video(settings, tmpdir):
     settings['destination'] = str(tmpdir)
+    settings['use_orig'] = False
     m = Video('stallman software-freedom-day-low.ogv', 'video', settings)
     file_path = join('video', 'stallman software-freedom-day-low.webm')
     assert str(m) == file_path