60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright 2020 Google LLC. 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_TTML_TTML_GENERATOR_H_
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#define PACKAGER_MEDIA_FORMATS_TTML_TTML_GENERATOR_H_
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#include <list>
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#include <map>
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#include <string>
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#include "packager/media/base/text_sample.h"
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#include "packager/media/base/text_stream_info.h"
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#include "packager/mpd/base/xml/xml_node.h"
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namespace shaka {
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namespace media {
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namespace ttml {
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class TtmlGenerator {
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public:
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explicit TtmlGenerator();
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~TtmlGenerator();
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static const char* kTtNamespace;
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void Initialize(const std::map<std::string, TextRegion>& regions,
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const std::string& language,
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int32_t time_scale);
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void AddSample(const TextSample& sample);
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void Reset();
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bool Dump(std::string* result) const;
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private:
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bool AddSampleToXml(const TextSample& sample,
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xml::XmlNode* body,
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xml::XmlNode* metadata,
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size_t* image_count) const;
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bool ConvertFragmentToXml(const TextFragment& fragment,
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xml::XmlNode* parent,
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xml::XmlNode* metadata,
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size_t* image_count) const;
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std::list<TextSample> samples_;
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std::map<std::string, TextRegion> regions_;
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std::string language_;
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int32_t time_scale_;
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// This is modified in "const" methods to create unique IDs.
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mutable uint32_t region_id_ = 0;
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};
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} // namespace ttml
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} // namespace media
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} // namespace shaka
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#endif // PACKAGER_MEDIA_FORMATS_TTML_TTML_GENERATOR_H_
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