Motown in-proc streaming framework used to implement media services.

services/media/framework/conversion_pipeline_builder.h

+// Copyright 2016 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.
+
+#ifndef SERVICES_MEDIA_FRAMEWORK_CONVERSION_PIPELINE_BUILDER_H_
+#define SERVICES_MEDIA_FRAMEWORK_CONVERSION_PIPELINE_BUILDER_H_
+
+#include "services/media/framework/engine.h"
+#include "services/media/framework/packet.h"
+#include "services/media/framework/stream_type.h"
+
+namespace mojo {
+namespace media {
+
+// Attempts to add transforms to the given pipeline to convert in_type to a
+// type compatible with out_type_sets. If it succeeds, returns true, updates
+// *output and delivers the resulting output type via *out_type. If it fails,
+// returns false, sets *out_type to nullptr and leaves *output unchanged.
+bool BuildConversionPipeline(
+    const StreamTypePtr& in_type,
+    const StreamTypeSetsPtr& out_type_sets,
+    Engine* engine,
+    Engine::Output* output,
+    StreamTypePtr* out_type);
+
+}  // namespace media
+}  // namespace mojo
+
+#endif // SERVICES_MEDIA_FRAMEWORK_CONVERSION_PIPELINE_BUILDER_H_