shaka-packager/packager/media/chunking/text_chunker.h

51 lines
1.5 KiB
C++

// Copyright 2017 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef PACKAGER_MEDIA_CHUNKING_TEXT_CHUNKER_H_
#define PACKAGER_MEDIA_CHUNKING_TEXT_CHUNKER_H_
#include <list>
#include "packager/media/base/media_handler.h"
namespace shaka {
namespace media {
class TextChunker : public MediaHandler {
public:
explicit TextChunker(int64_t segment_duration_ms);
private:
TextChunker(const TextChunker&) = delete;
TextChunker& operator=(const TextChunker&) = delete;
Status InitializeInternal() override;
Status Process(std::unique_ptr<StreamData> stream_data) override;
Status OnFlushRequest(size_t input_stream_index) override;
Status OnStreamInfo(std::shared_ptr<const StreamInfo> info);
Status OnCueEvent(std::shared_ptr<const CueEvent> cue);
Status OnTextSample(std::shared_ptr<const TextSample> sample);
Status EndSegment(int64_t segment_actual_end_ms);
void StartNewSegment(int64_t start_ms);
int64_t segment_duration_ms_;
// The segment that we are currently outputting samples for. The segment
// will end once a new sample with start time greater or equal to the
// segment's end time arrives.
int64_t segment_start_ms_;
int64_t segment_expected_end_ms_;
std::list<std::shared_ptr<const TextSample>> segment_samples_;
};
} // namespace media
} // namespace shaka
#endif // PACKAGER_MEDIA_CHUNKING_TEXT_CHUNKER_H_