1 /*
2    mkvmerge -- utility for splicing together matroska files
3    from component media subtypes
4 
5    Distributed under the GPL v2
6    see the file COPYING for details
7    or visit https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
8 
9    class definition for the WebVTT subtitle reader
10 
11    Written by Moritz Bunkus <moritz@bunkus.org>.
12 */
13 
14 #pragma once
15 
16 #include "common/common_pch.h"
17 
18 #include "common/webvtt.h"
19 #include "merge/generic_reader.h"
20 
21 class webvtt_reader_c: public generic_reader_c {
22 private:
23   mtx::webvtt::parser_cptr m_parser;
24   int64_t m_bytes_to_process{}, m_bytes_processed{};
25 
26 public:
get_format_type()27   virtual mtx::file_type_e get_format_type() const {
28     return mtx::file_type_e::webvtt;
29   }
30 
31   virtual void read_headers();
32   virtual void identify();
33   virtual void create_packetizer(int64_t tid);
34   virtual int64_t get_progress() override;
35   virtual int64_t get_maximum_progress() override;
is_simple_subtitle_container()36   virtual bool is_simple_subtitle_container() {
37     return true;
38   }
39 
40   virtual bool probe_file() override;
41 
42 protected:
43   virtual file_status_e read(generic_packetizer_c *packetizer, bool force = false) override;
44 
45   virtual void parse_file();
46 };
47