| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_DOM_TRACK_DEFAULT_H_ |
| #define COBALT_DOM_TRACK_DEFAULT_H_ |
| |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "cobalt/dom/audio_track.h" |
| #include "cobalt/dom/video_track.h" |
| #include "cobalt/script/exception_state.h" |
| #include "cobalt/script/sequence.h" |
| #include "cobalt/script/wrappable.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| // The TrackDefault object is used to provide kind, label, and language |
| // information for tracks that do not contain this information in the |
| // initialization segments. |
| // https://www.w3.org/TR/2016/CR-media-source-20160705/#trackdefault |
| class TrackDefault : public script::Wrappable { |
| public: |
| // Web API: TrackDefault |
| // |
| enum TrackDefaultType { |
| kAudio, |
| kVideo, |
| kText, |
| }; |
| |
| TrackDefault(TrackDefaultType type, const std::string& language, |
| const std::string& label, |
| const script::Sequence<std::string>& kinds, |
| const std::string& byte_stream_track_id, |
| script::ExceptionState* exception_state) |
| : type_(type), |
| byte_stream_track_id_(byte_stream_track_id), |
| language_(language), |
| label_(label), |
| kinds_(kinds) { |
| if (type == kAudio) { |
| for (script::Sequence<std::string>::size_type i = 0; i < kinds.size(); |
| ++i) { |
| if (!AudioTrack::IsValidKind(kinds.at(i).c_str())) { |
| exception_state->SetSimpleException(script::kSimpleTypeError); |
| } |
| } |
| } else if (type == kVideo) { |
| for (script::Sequence<std::string>::size_type i = 0; i < kinds.size(); |
| ++i) { |
| if (!VideoTrack::IsValidKind(kinds.at(i).c_str())) { |
| exception_state->SetSimpleException(script::kSimpleTypeError); |
| } |
| } |
| } else { |
| NOTREACHED(); |
| } |
| } |
| |
| TrackDefaultType type() const { return type_; } |
| const std::string& byte_stream_track_id() const { |
| return byte_stream_track_id_; |
| } |
| const std::string& language() const { return language_; } |
| const std::string& label() const { return label_; } |
| const script::Sequence<std::string>& GetKinds() const { return kinds_; } |
| |
| DEFINE_WRAPPABLE_TYPE(TrackDefault); |
| |
| private: |
| TrackDefaultType type_; |
| const std::string byte_stream_track_id_; |
| const std::string language_; |
| const std::string label_; |
| const script::Sequence<std::string> kinds_; |
| }; |
| |
| } // namespace dom |
| } // namespace cobalt |
| |
| #endif // COBALT_DOM_TRACK_DEFAULT_H_ |