Motown: Framework parts for mojo transport (producer/consumer/mediapipe) and control (audiotrack).

services/media/framework_mojo/mojo_formatting.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_MOJO_MOJO_FORMATTING_H_
+#define SERVICES_MEDIA_FRAMEWORK_MOJO_MOJO_FORMATTING_H_
+
+#include "mojo/services/media/common/interfaces/media_common.mojom.h"
+#include "mojo/services/media/common/interfaces/media_pipe.mojom.h"
+#include "mojo/services/media/common/interfaces/media_types.mojom.h"
+#include "mojo/services/media/control/interfaces/media_source.mojom.h"
+#include "services/media/framework/formatting.h"
+
+namespace mojo {
+namespace media {
+
+// See services/media/framework/ostream.h for details.
+
+// Mojo defines versions of operator<< for this that produce only numbers.
+const char* StringFromMediaTypeScheme(MediaTypeScheme value);
+const char* StringFromLpcmSampleFormat(LpcmSampleFormat value);
+const char* StringFromAudioEncoding(AudioEncoding value);
+const char* StringFromVideoEncoding(VideoEncoding value);
+const char* StringFromMediaState(MediaState value);
+
+// The following overloads add newlines.
+
+template<typename T>
+std::ostream& operator<<(std::ostream& os, const InterfacePtr<T>& value);
+
+template<typename T>
+std::ostream& operator<<(std::ostream& os, const Array<T>& value) {
+  if (!value) {
+    return os << "<nullptr>" << std::endl;
+  } else if (value.size() == 0) {
+      return os << "<empty>" << std::endl;
+  } else {
+    os << std::endl;
+  }
+
+  int index = 0;
+  for (T& element : const_cast<Array<T>&>(value)) {
+    os << "[" << index++ << "]: " << element;
+  }
+
+  return os;
+}
+
+std::ostream& operator<<(std::ostream& os, const MediaTypePtr& value);
+std::ostream& operator<<(std::ostream& os, const MediaTypeSetPtr& value);
+std::ostream& operator<<(std::ostream& os, const MediaTypeDetailsPtr& value);
+std::ostream& operator<<(std::ostream& os, const MediaTypeSetDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const MultiplexedMediaTypeDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const MultiplexedMediaTypeSetDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const LpcmMediaTypeDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const LpcmMediaTypeSetDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const CompressedAudioMediaTypeDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const CompressedAudioMediaTypeSetDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const VideoMediaTypeDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const VideoMediaTypeSetDetailsPtr& value);
+std::ostream& operator<<(
+    std::ostream& os,
+    const MediaSourceStreamDescriptorPtr& value);
+
+} // namespace media
+} // namespace mojo
+
+#endif // SERVICES_MEDIA_FRAMEWORK_MOJO_MOJO_FORMATTING_H_