shaka-packager/packager/media/formats/webvtt/webvtt_muxer.h

48 lines
1.4 KiB
C++

// Copyright 2020 Google LLC. 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_FORMATS_WEBVTT_WEBVTT_MUXER_H_
#define PACKAGER_MEDIA_FORMATS_WEBVTT_WEBVTT_MUXER_H_
#include "packager/media/base/buffer_writer.h"
#include "packager/media/base/muxer.h"
#include "packager/media/formats/webvtt/webvtt_file_buffer.h"
namespace shaka {
namespace media {
namespace webvtt {
/// Implements WebVtt Muxer.
class WebVttMuxer : public Muxer {
public:
/// Create a WebMMuxer object from MuxerOptions.
explicit WebVttMuxer(const MuxerOptions& options);
~WebVttMuxer() override;
private:
// Muxer implementation overrides.
Status InitializeMuxer() override;
Status Finalize() override;
Status AddTextSample(size_t stream_id, const TextSample& sample) override;
Status FinalizeSegment(size_t stream_id,
const SegmentInfo& segment_info) override;
Status WriteToFile(const std::string& filename, uint64_t* size);
DISALLOW_COPY_AND_ASSIGN(WebVttMuxer);
std::unique_ptr<WebVttFileBuffer> buffer_;
uint64_t total_duration_ms_ = 0;
uint64_t last_cue_ms_ = 0;
uint32_t segment_index_ = 0;
};
} // namespace webvtt
} // namespace media
} // namespace shaka
#endif // PACKAGER_MEDIA_FORMATS_WEBVTT_WEBVTT_MUXER_H_