1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MEDIA_FILTERS_WEBVTT_UTIL_H_ 6 #define MEDIA_FILTERS_WEBVTT_UTIL_H_ 7 8 #include <vector> 9 10 namespace media { 11 12 // Utility function to create side data item for decoder buffer. 13 template<typename T> 14 void MakeSideData(T id_begin, T id_end, 15 T settings_begin, T settings_end, 16 std::vector<uint8>* side_data) { 17 // The DecoderBuffer only supports a single side data item. In the case of 18 // a WebVTT cue, we can have potentially two side data items. In order to 19 // avoid disrupting DecoderBuffer any more than we need to, we copy both 20 // side data items onto a single one, and terminate each with a NUL marker. 21 side_data->clear(); 22 side_data->insert(side_data->end(), id_begin, id_end); 23 side_data->push_back(0); 24 side_data->insert(side_data->end(), settings_begin, settings_end); 25 side_data->push_back(0); 26 } 27 28 } // namespace media 29 30 #endif // MEDIA_FILTERS_WEBVTT_UTIL_H_ 31
