X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.cc;h=988b8fe9b2f9fc73a6261064e673396365f71bdf;hb=f113b2aaca7a65f7b37e12a7d9f3f99e2d834e81;hp=53a0c31e140d6ceab0a3d2f222fe419bda88237b;hpb=79ce26d031d109177ba4b0f637fa2960345a37a3;p=dcpomatic.git diff --git a/src/lib/decoder.cc b/src/lib/decoder.cc index 53a0c31e1..988b8fe9b 100644 --- a/src/lib/decoder.cc +++ b/src/lib/decoder.cc @@ -1,79 +1,42 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2015 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic 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, + DCP-o-matic 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., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ -/** @file src/decoder.cc - * @brief Parent class for decoders of content. - */ - -#include "film.h" #include "decoder.h" -#include "decoded.h" - -#include "i18n.h" +#include using std::cout; -using boost::shared_ptr; - -/** @param f Film. - * @param o Decode options. - */ -Decoder::Decoder (shared_ptr f) - : _film (f) - , _done (false) -{ - -} - -struct DecodedSorter -{ - bool operator() (shared_ptr a, shared_ptr b) - { - return a->dcp_time < b->dcp_time; - } -}; +using boost::optional; -shared_ptr -Decoder::peek () +void +Decoder::maybe_seek (optional& position, ContentTime time, bool accurate) { - while (!_done && _pending.empty ()) { - _done = pass (); - } - - if (_done && _pending.empty ()) { - return shared_ptr (); + if (!position) { + /* A seek has just happened */ + return; } - _pending.sort (DecodedSorter ()); - return _pending.front (); -} - -void -Decoder::consume () -{ - if (!_pending.empty ()) { - _pending.pop_front (); + if (time >= *position && time < (*position + ContentTime::from_seconds(1))) { + /* No need to seek: caller should just pass() */ + return; } -} -void -Decoder::seek (ContentTime, bool) -{ - _pending.clear (); - _done = false; + position.reset (); + seek (time, accurate); }