Update to Pipeline Metadata and Decoder Stream for Orientation Data

media/base/pipeline.h

 // 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.
 
 #ifndef MEDIA_BASE_PIPELINE_H_
 #define MEDIA_BASE_PIPELINE_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/default_tick_clock.h"
 #include "media/base/audio_renderer.h"
 #include "media/base/buffering_state.h"
 #include "media/base/demuxer.h"
 #include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/ranges.h"
 #include "media/base/serial_runner.h"
+#include "media/base/video_decoder_config.h"
 #include "ui/gfx/size.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 class TimeDelta;
 }
 
 namespace media {
 
 class Clock;
 class FilterCollection;
 class MediaLog;
 class TextRenderer;
 class TextTrackConfig;
 class VideoRenderer;
 
 // Metadata describing a pipeline once it has been initialized.
 struct PipelineMetadata {
-  PipelineMetadata() : has_audio(false), has_video(false) {}
+  PipelineMetadata() : has_audio(false), has_video(false),
+                       rotation(media::kRotate0) {}

[scherkus (not reviewing), 2014/07/07 20:52:38]

we're inside the media namsepace so we can drop media:: prefixes

 
   bool has_audio;
   bool has_video;
   gfx::Size natural_size;
+  media::VideoRotation rotation;

[scherkus (not reviewing), 2014/07/07 20:52:38]

ditto

   base::Time timeline_offset;
 };
 
 typedef base::Callback<void(PipelineMetadata)> PipelineMetadataCB;
 
 // Pipeline runs the media pipeline.  Filters are created and called on the
 // task runner injected into this object. Pipeline works like a state
 // machine to perform asynchronous initialization, pausing, seeking and playing.
 //
 // Here's a state diagram that describes the lifetime of this object.
@@ skipping 379 matching lines @@
   bool underflow_disabled_for_testing_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(Pipeline);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_H_