Add plumbing and support for crossfading StreamParserBuffers.

media/base/stream_parser_buffer.cc

 // Copyright (c) 2012 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.
 
 #include "media/base/stream_parser_buffer.h"
 
 #include "base/logging.h"
 #include "media/base/buffers.h"
 
 namespace media {
@@ skipping 45 matching lines @@
 }
 
 int StreamParserBuffer::GetConfigId() const {
   return config_id_;
 }
 
 void StreamParserBuffer::SetConfigId(int config_id) {
   config_id_ = config_id;
 }
 
+const std::vector<scoped_refptr<StreamParserBuffer> >&
+StreamParserBuffer::GetFadeOutPreroll() const {
+  return fade_out_preroll_;
+}
+
+void StreamParserBuffer::SetFadeOutPreroll(
+    const std::vector<scoped_refptr<StreamParserBuffer> >& fade_out_preroll) {
+  fade_out_preroll_ = fade_out_preroll;

[acolwell GONE FROM CHROMIUM, 2014/01/15 19:28:50]

nit: It might be worth adding a DCHECK(HasNoFadeOutPreroll(fade_out_preroll));
to make sure that  none of the preroll buffers have preroll buffers since we
have no logic to handle recursive nesting of these guys.

[DaleCurtis, 2014/01/15 22:40:56]

Done.

+}
+
 }  // namespace media