text: // Copyright 2013 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_FILTERS_WEBVTT_UTIL_H_
  #define MEDIA_FILTERS_WEBVTT_UTIL_H_
  
  #include <stdint.h>
  
  #include <vector>
  
  namespace media {
  
  // Utility function to create side data item for decoder buffer.
  template <typename T>
  void MakeSideData(T id_begin,
                    T id_end,
                    T settings_begin,
                    T settings_end,
                    std::vector<uint8_t>* side_data) {
    // The DecoderBuffer only supports a single side data item. In the case of
    // a WebVTT cue, we can have potentially two side data items. In order to
    // avoid disrupting DecoderBuffer any more than we need to, we copy both
    // side data items onto a single one, and terminate each with a NUL marker.
    side_data->clear();
    side_data->insert(side_data->end(), id_begin, id_end);
    side_data->push_back(0);
    side_data->insert(side_data->end(), settings_begin, settings_end);
    side_data->push_back(0);
  }
  
  }  // namespace media
  
  #endif  // MEDIA_FILTERS_WEBVTT_UTIL_H_
  