Plumb callbacks from mojo media service to client.

media/mojo/common/pipeline_statistics_struct_traits.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 MEDIA_MOJO_COMMON_PIPELINE_STATISTICS_STRUCT_TRAITS_H_
+#define MEDIA_MOJO_COMMON_PIPELINE_STATISTICS_STRUCT_TRAITS_H_
+
+#include "media/base/pipeline_status.h"
+#include "media/mojo/interfaces/media_types.mojom.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<media::mojom::PipelineStatistics,
+                    media::PipelineStatistics> {
+  static uint64_t audio_bytes_decoded(const media::PipelineStatistics& input) {
+    return input.audio_bytes_decoded;
+  }
+  static uint64_t video_bytes_decoded(const media::PipelineStatistics& input) {
+    return input.video_bytes_decoded;
+  }
+  static uint32_t video_frames_decoded(const media::PipelineStatistics& input) {
+    return input.video_frames_decoded;
+  }
+  static uint32_t video_frames_dropped(const media::PipelineStatistics& input) {
+    return input.video_frames_dropped;
+  }
+  static int64_t audio_memory_usage(const media::PipelineStatistics& input) {
+    return input.audio_memory_usage;
+  }
+  static int64_t video_memory_usage(const media::PipelineStatistics& input) {
+    return input.video_memory_usage;
+  }
+
+  static bool Read(media::mojom::PipelineStatisticsDataView data,
+                   media::PipelineStatistics* output) {
+    output->audio_bytes_decoded = data.audio_bytes_decoded();
+    output->video_bytes_decoded = data.video_bytes_decoded();
+    output->video_frames_decoded = data.video_frames_decoded();
+    output->video_frames_dropped = data.video_frames_dropped();
+    output->audio_memory_usage = data.audio_memory_usage();
+    output->video_memory_usage = data.video_memory_usage();
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // MEDIA_MOJO_COMMON_PIPELINE_STATISTICS_STRUCT_TRAITS_H_