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

40 lines
1.2 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_FORMATS_WEBVTT_UTILS_H_
#define PACKAGER_MEDIA_FORMATS_WEBVTT_UTILS_H_
#include <stdint.h>
#include <list>
#include <memory>
#include <string>
#include "packager/base/strings/string_piece.h"
#include "packager/media/base/text_sample.h"
namespace shaka {
namespace media {
// Parse a timestamp into milliseconds using the two patterns defined by WebVtt:
// LONG : ##:##:##.### (long can have 2 or more hour digits)
// SHORT : ##:##:###
bool WebVttTimestampToMs(const base::StringPiece& source, uint64_t* out);
// Create a long form timestamp encoded as a string.
std::string MsToWebVttTimestamp(uint64_t ms);
/// Converts the given text settings to a WebVTT settings string.
std::string WebVttSettingsToString(const TextSettings& settings);
/// Converts the given TextFragment to a WebVTT cue body string.
std::string WebVttFragmentToString(const TextFragment& fragment);
} // namespace media
} // namespace shaka
#endif // PACKAGER_MEDIA_FORMATS_WEBVTT_UTILS_H_