Sayonara Player
ConverterFactory.h
1 /* ConverterFactory.h */
2 /*
3  * Copyright (C) 2011-2021 Michael Lugmair
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 #ifndef SAYONARA_PLAYER_CONVERTERFACTORY_H
21 #define SAYONARA_PLAYER_CONVERTERFACTORY_H
22 
23 #include "Utils/Pimpl.h"
24 
25 class PlaylistAccessor;
26 class Converter;
28 {
29  PIMPL(ConverterFactory)
30 
31  public:
32  enum class ConvertType : uint8_t
33  {
34  OggVorbis = 0,
35  OggOpus,
36  Lame
37  };
38 
39  enum class Bitrate : uint8_t
40  {
41  Constant = 0,
42  Variable
43  };
44 
45  ConverterFactory(PlaylistAccessor* playlistAccessor);
47 
48  template<ConvertType t, typename...Args>
49  typename std::enable_if<t == ConvertType::OggVorbis, Converter*>::type
50  createConverter(Args&& ...args)
51  {
52  return finalizeConverter(createOggConverter(args...));
53  }
54 
55  template<ConvertType t, typename...Args>
56  typename std::enable_if<t == ConvertType::Lame || t == ConvertType::OggOpus, Converter*>::type
57  createConverter(Args&& ...args)
58  {
59  if(t == ConvertType::Lame)
60  {
61  return finalizeConverter(createLameConverter(args...));
62  }
63 
64  else if(t == ConvertType::OggOpus)
65  {
66  return finalizeConverter(createOpusConverter(args...));
67  }
68 
69  else
70  {
71  return nullptr;
72  }
73  }
74 
75  private:
76  Converter* createOggConverter(int quality);
77  Converter* createLameConverter(Bitrate cbr, int quality);
78  Converter* createOpusConverter(Bitrate cbr, int quality);
79 
80  Converter* finalizeConverter(Converter* converter);
81 };
82 
83 #endif //SAYONARA_PLAYER_CONVERTERFACTORY_H
Definition: ConverterFactory.h:28
Definition: Converter.h:33
Definition: PlaylistInterface.h:39