All assets, including images, audio, and video, now uses the asset pipeline when its on

actionpack/lib/action_view/helpers/asset_tag_helper.rb

@@ -274,7 +274,11 @@ def favicon_link_tag(source='/favicon.ico', options={})
       # The alias +path_to_image+ is provided to avoid that. Rails uses the alias internally, and
       # plugin authors are encouraged to do so.
       def image_path(source)
-        asset_paths.compute_public_path(source, 'images')
+        if config.use_sprockets
+          sprockets_asset_path(source)
+        else
+          asset_paths.compute_public_path(source, 'images')
+        end
       end
       alias_method :path_to_image, :image_path # aliased to avoid conflicts with an image_path named route
 
@@ -289,7 +293,11 @@ def image_path(source)
       #   video_path("/trailers/hd.avi")                              # => /trailers/hd.avi
       #   video_path("http://www.railsapplication.com/vid/hd.avi") # => http://www.railsapplication.com/vid/hd.avi
       def video_path(source)
-        asset_paths.compute_public_path(source, 'videos')
+        if config.use_sprockets
+          sprockets_asset_path(source)
+        else
+          asset_paths.compute_public_path(source, 'videos')
+        end
       end
       alias_method :path_to_video, :video_path # aliased to avoid conflicts with a video_path named route
 
@@ -304,7 +312,11 @@ def video_path(source)
       #   audio_path("/sounds/horse.wav")                                # => /sounds/horse.wav
       #   audio_path("http://www.railsapplication.com/sounds/horse.wav") # => http://www.railsapplication.com/sounds/horse.wav
       def audio_path(source)
-        asset_paths.compute_public_path(source, 'audios')
+        if config.use_sprockets
+          sprockets_asset_path(source)
+        else
+          asset_paths.compute_public_path(source, 'audios')
+        end
       end
       alias_method :path_to_audio, :audio_path # aliased to avoid conflicts with an audio_path named route
 

actionpack/lib/action_view/helpers/sprockets_helper.rb

@@ -3,8 +3,12 @@
 module ActionView
   module Helpers
     module SprocketsHelper
+      def sprockets_asset_path(source, default_ext = nil)
+        compute_sprockets_path(source, 'assets', default_ext)
+      end
+
       def sprockets_javascript_path(source)
-        compute_sprockets_path source, 'assets', 'js'
+        sprockets_asset_path(source, 'js')
       end
 
       def sprockets_javascript_include_tag(source, options = {})
@@ -17,9 +21,9 @@ def sprockets_javascript_include_tag(source, options = {})
       end
 
       def sprockets_stylesheet_path(source)
-        compute_sprockets_path source, 'assets', 'css'
+        sprockets_asset_path(source, 'css')
       end
-
+      
       def sprockets_stylesheet_link_tag(source, options = {})
         options = {
           'rel'   => "stylesheet",
@@ -31,13 +35,14 @@ def sprockets_stylesheet_link_tag(source, options = {})
         tag 'link', options
       end
 
+
       private
-        def compute_sprockets_path(source, dir, default_ext)
+        def compute_sprockets_path(source, dir, default_ext = nil)
           source = source.to_s
 
           return source if URI.parse(source).host
 
-          # Add /javscripts to relative paths
+          # Add /assets to relative paths
           if source[0] != ?/
             source = "/#{dir}/#{source}"
           end

actionpack/test/template/sprockets_helper_test.rb

@@ -22,6 +22,7 @@ def host_with_port() 'localhost' end
     @assets = Sprockets::Environment.new
     @assets.paths << FIXTURES.join("sprockets/app/javascripts")
     @assets.paths << FIXTURES.join("sprockets/app/stylesheets")
+    @assets.paths << FIXTURES.join("sprockets/app/images")
 
     config.perform_caching = true
   end
@@ -30,6 +31,24 @@ def url_for(*args)
     "http://www.example.com"
   end
 
+  test "asset path" do
+    assert_equal "/assets/logo-9c0a079bdd7701d7e729bd956823d153.png",
+      sprockets_asset_path("logo.png")
+
+    assert_equal "/images/logo",
+      sprockets_asset_path("/images/logo")
+    assert_equal "/images/logo.gif",
+      sprockets_asset_path("/images/logo.gif")
+
+    assert_equal "/dir/audio",
+      sprockets_asset_path("/dir/audio")
+
+    assert_equal "http://www.example.com/video/play",
+      sprockets_asset_path("http://www.example.com/video/play")
+    assert_equal "http://www.example.com/video/play.mp4",
+      sprockets_asset_path("http://www.example.com/video/play.mp4")
+  end
+
   test "javascript path" do
     assert_equal "/assets/application-d41d8cd98f00b204e9800998ecf8427e.js",
       sprockets_javascript_path(:application)