MPD  0.20.15
FlacStreamDecoder.hxx
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1 /*
2  * Copyright 2003-2017 The Music Player Daemon Project
3  * http://www.musicpd.org
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef MPD_FLAC_STREAM_DECODER
21 #define MPD_FLAC_STREAM_DECODER
22 
23 #include "check.h"
24 
25 #include <FLAC/stream_decoder.h>
26 
27 #include <utility>
28 #include <stdexcept>
29 
30 #include <assert.h>
31 
36  FLAC__StreamDecoder *decoder;
37 
38 public:
40  :decoder(FLAC__stream_decoder_new()) {
41  if (decoder == nullptr)
42  throw std::runtime_error("FLAC__stream_decoder_new() failed");
43  }
44 
46  :decoder(src.decoder) {
47  src.decoder = nullptr;
48  }
49 
51  if (decoder != nullptr)
52  FLAC__stream_decoder_delete(decoder);
53  }
54 
56  std::swap(decoder, src.decoder);
57  return *this;
58  }
59 
60  operator bool() const {
61  return decoder != nullptr;
62  }
63 
64  FLAC__StreamDecoder *get() {
65  assert(decoder != nullptr);
66 
67  return decoder;
68  }
69 };
70 
71 #endif
OO wrapper for a FLAC__StreamDecoder.
FlacStreamDecoder & operator=(FlacStreamDecoder &&src)
FlacStreamDecoder(FlacStreamDecoder &&src)