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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_FILTERS_WEBVTT_UTIL_H_ | 5 #ifndef MEDIA_FILTERS_WEBVTT_UTIL_H_ |
| 6 #define MEDIA_FILTERS_WEBVTT_UTIL_H_ | 6 #define MEDIA_FILTERS_WEBVTT_UTIL_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <vector> | 10 #include <vector> |
| 9 | 11 |
| 10 namespace media { | 12 namespace media { |
| 11 | 13 |
| 12 // Utility function to create side data item for decoder buffer. | 14 // Utility function to create side data item for decoder buffer. |
| 13 template <typename T> | 15 template <typename T> |
| 14 void MakeSideData(T id_begin, | 16 void MakeSideData(T id_begin, |
| 15 T id_end, | 17 T id_end, |
| 16 T settings_begin, | 18 T settings_begin, |
| 17 T settings_end, | 19 T settings_end, |
| 18 std::vector<uint8_t>* side_data) { | 20 std::vector<uint8_t>* side_data) { |
| 19 // The DecoderBuffer only supports a single side data item. In the case of | 21 // The DecoderBuffer only supports a single side data item. In the case of |
| 20 // a WebVTT cue, we can have potentially two side data items. In order to | 22 // a WebVTT cue, we can have potentially two side data items. In order to |
| 21 // avoid disrupting DecoderBuffer any more than we need to, we copy both | 23 // avoid disrupting DecoderBuffer any more than we need to, we copy both |
| 22 // side data items onto a single one, and terminate each with a NUL marker. | 24 // side data items onto a single one, and terminate each with a NUL marker. |
| 23 side_data->clear(); | 25 side_data->clear(); |
| 24 side_data->insert(side_data->end(), id_begin, id_end); | 26 side_data->insert(side_data->end(), id_begin, id_end); |
| 25 side_data->push_back(0); | 27 side_data->push_back(0); |
| 26 side_data->insert(side_data->end(), settings_begin, settings_end); | 28 side_data->insert(side_data->end(), settings_begin, settings_end); |
| 27 side_data->push_back(0); | 29 side_data->push_back(0); |
| 28 } | 30 } |
| 29 | 31 |
| 30 } // namespace media | 32 } // namespace media |
| 31 | 33 |
| 32 #endif // MEDIA_FILTERS_WEBVTT_UTIL_H_ | 34 #endif // MEDIA_FILTERS_WEBVTT_UTIL_H_ |
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