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/*
Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
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.
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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "video_frame.h"
#include "dcpomatic_assert.h"
VideoFrame &
VideoFrame::operator++ ()
{
if (_eyes == EYES_BOTH) {
++_index;
} else if (_eyes == EYES_LEFT) {
_eyes = EYES_RIGHT;
} else {
_eyes = EYES_LEFT;
++_index;
}
return *this;
}
bool
operator== (VideoFrame const & a, VideoFrame const & b)
{
return a.index() == b.index() && a.eyes() == b.eyes();
}
bool
operator!= (VideoFrame const & a, VideoFrame const & b)
{
return !(a == b);
}
bool
operator> (VideoFrame const & a, VideoFrame const & b)
{
if (a.index() != b.index()) {
return a.index() > b.index();
}
/* indexes are the same */
if (a.eyes() == b.eyes()) {
return false;
}
/* eyes are not the same */
if (a.eyes() == EYES_LEFT && b.eyes() == EYES_RIGHT) {
return false;
}
if (a.eyes() == EYES_RIGHT && b.eyes() == EYES_LEFT) {
return true;
}
/* should never get here; we are comparing 2D with 3D */
DCPOMATIC_ASSERT (false);
}
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