52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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// Copyright 2017 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef PACKAGER_MEDIA_FORMATS_WEBVTT_WEBVTT_PARSER_H_
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#define PACKAGER_MEDIA_FORMATS_WEBVTT_WEBVTT_PARSER_H_
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#include <stdint.h>
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#include <vector>
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#include "packager/media/formats/webvtt/text_readers.h"
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#include "packager/media/origin/origin_handler.h"
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namespace shaka {
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namespace media {
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// Used to parse a WebVTT source into Cues that will be sent downstream.
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class WebVttParser : public OriginHandler {
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public:
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explicit WebVttParser(std::unique_ptr<CharReader> source);
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Status Run() override;
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void Cancel() override;
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private:
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WebVttParser(const WebVttParser&) = delete;
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WebVttParser& operator=(const WebVttParser&) = delete;
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Status InitializeInternal() override;
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bool ValidateOutputStreamIndex(size_t stream_index) const override;
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bool Parse();
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bool ParseCueWithNoId(const std::vector<std::string>& block);
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bool ParseCueWithId(const std::vector<std::string>& block);
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bool ParseCue(const std::string& id,
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const std::string* block,
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size_t block_size);
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Status DispatchTextStreamInfo();
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BlockReader reader_;
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bool keep_reading_ = true;
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};
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} // namespace media
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} // namespace shaka
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#endif // MEDIA_FORMATS_WEBVTT_WEBVTT_PARSER_H_
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