69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// 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_TEXT_READERS_H_
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#define PACKAGER_MEDIA_FORMATS_WEBVTT_TEXT_READERS_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include "packager/media/base/byte_queue.h"
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#include "packager/status.h"
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namespace shaka {
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class File;
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namespace media {
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class LineReader {
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public:
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LineReader();
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/// Pushes data onto the end of the buffer.
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void PushData(const uint8_t* data, size_t data_size);
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/// Reads the next line from the buffer.
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/// @return True if a line is read, false if there's no line in the buffer.
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bool Next(std::string* out);
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/// Indicates that no more data is coming and that calls to Next should
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/// return even possibly-incomplete data.
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void Flush();
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private:
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LineReader(const LineReader&) = delete;
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LineReader operator=(const LineReader&) = delete;
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ByteQueue buffer_;
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bool should_flush_;
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};
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class BlockReader {
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public:
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BlockReader();
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/// Pushes data onto the end of the buffer.
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void PushData(const uint8_t* data, size_t data_size);
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/// Reads the next block from the buffer.
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/// @return True if a block is read, false if there is no block in the buffer.
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bool Next(std::vector<std::string>* out);
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/// Indicates that no more data is coming and that calls to Next should
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/// return even possibly-incomplete data.
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void Flush();
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private:
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BlockReader(const BlockReader&) = delete;
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BlockReader operator=(const BlockReader&) = delete;
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LineReader source_;
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std::vector<std::string> temp_;
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bool should_flush_;
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};
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} // namespace media
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} // namespace shaka
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#endif // MEDIA_FORMATS_WEBVTT_TEXT_READERS_H_
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