Mojom updates for Motown.

mojo/services/media/control/interfaces/media_factory.mojom

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+[DartPackage="mojo_services"]
+module mojo.media;
+
+import "mojo/services/media/common/interfaces/media_types.mojom";
+import "mojo/services/media/control/interfaces/media_player.mojom";
+import "mojo/services/media/control/interfaces/media_sink.mojom";
+import "mojo/services/media/control/interfaces/media_source.mojom";
+
+// Exposed by the factory service to create media-related agents.
+[ServiceName="mojo::media::MediaFactory"]
+interface MediaFactory {
+  // Creates a player.
+  // TODO(dalesat): Add means of specifying destinations.
+  CreatePlayer(string origin_url, MediaPlayer& player);
+
+  // Creates a source. If allowed_media_types is supplied, conversions will be
+  // added to each stream as needed to make the media type of the stream match
+  // one of the allowed types. If a stream cannot be converted to one of the
+  // allowed types, its media type will have the scheme NONE, and the stream
+  // will not be usable.
+  CreateSource(
+      string origin_url,
+      array<MediaTypeSet>? allowed_media_types,
+      MediaSource& source);
+
+  // Creates a sink. Conversions are added to the pipeline as appropriate to
+  // convert the indicated media type to a type compatible with the
+  // destination.
+  CreateSink(string destination_url, MediaType media_type, MediaSink& sink);
+};