blob: 7b459f660439b2d59a2c432a1dd50c8f8def0a7c [file] [log] [blame]
// 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_