diff options
author | Max Kellermann <max@musicpd.org> | 2018-06-21 22:19:46 +0200 |
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committer | Max Kellermann <max@musicpd.org> | 2018-06-22 22:33:16 +0200 |
commit | 6681b14b71b3122772fa74def3fe526c1fc6aa41 (patch) | |
tree | d7941924819dc9d7ec7a557a47bc95b0aa90cb3e /src/input/MaybeBufferedInputStream.cxx | |
parent | 12f241844510d4bf468b04c6edc995c1915ded8d (diff) |
input/MaybeBuffered: proxy InputStream implementation which auto-uses BufferedInputStream
Diffstat (limited to 'src/input/MaybeBufferedInputStream.cxx')
-rw-r--r-- | src/input/MaybeBufferedInputStream.cxx | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/input/MaybeBufferedInputStream.cxx b/src/input/MaybeBufferedInputStream.cxx new file mode 100644 index 000000000..dc9b801a3 --- /dev/null +++ b/src/input/MaybeBufferedInputStream.cxx @@ -0,0 +1,38 @@ +/* + * Copyright 2003-2018 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "MaybeBufferedInputStream.hxx" +#include "BufferedInputStream.hxx" + +MaybeBufferedInputStream::MaybeBufferedInputStream(InputStreamPtr _input) noexcept + :ProxyInputStream(std::move(_input)) {} + +void +MaybeBufferedInputStream::Update() noexcept +{ + const bool was_ready = IsReady(); + + ProxyInputStream::Update(); + + if (!was_ready && IsReady() && BufferedInputStream::IsEligible(*input)) + /* our input has just become ready - check if we + should buffer it */ + SetInput(std::make_unique<BufferedInputStream>(std::move(input))); +} |