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

services/media/framework/parts/file_reader.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_PARTS_FILE_READER_H_
+#define SERVICES_MEDIA_FRAMEWORK_PARTS_FILE_READER_H_
+
+#include "services/media/framework/parts/reader.h"
+
+namespace mojo {
+namespace media {
+
+// Reads raw data from a file.
+class FileReader : public Reader {
+ public:
+  static ReaderPtr Create() {
+    return ReaderPtr(new FileReader());
+  }
+
+  ~FileReader() override;
+
+  // Reader implementation.
+  Result Init(const GURL& gurl) override;
+
+  size_t Read(uint8* buffer, int bytes_to_read) override;
+
+  int64_t GetPosition() const override;
+
+  int64_t SetPosition(int64 position) override;
+
+  size_t GetSize() const override;
+
+  bool CanSeek() const override;
+
+ private:
+  FileReader() {}
+
+  FILE* file_;
+  int64 size_;
+};
+
+}  // namespace media
+}  // namespace mojo
+
+#endif // SERVICES_MEDIA_FRAMEWORK_PARTS_FILE_READER_H_