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/*
Copyright (C) 2013-2014 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/>.
*/
/** @file src/pixel_formats_test.cc
* @brief Make sure that Image::sample_size() and Image::bytes_per_pixel() return the right
* things for various pixel formats.
* @ingroup selfcontained
* @see test/image_test.cc
*/
#include <boost/test/unit_test.hpp>
#include <list>
extern "C" {
#include <libavutil/pixfmt.h>
#include <libavcodec/avcodec.h>
}
#include "lib/image.h"
#include <iostream>
using std::list;
using std::cout;
/** @struct Case
* @brief A test case for pixel_formats_test.
*/
struct Case
{
Case (AVPixelFormat f, int c, int l0, int l1, int l2, float b0, float b1, float b2)
: format(f)
, planes(c)
{
lines[0] = l0;
lines[1] = l1;
lines[2] = l2;
bpp[0] = b0;
bpp[1] = b1;
bpp[2] = b2;
}
AVPixelFormat format;
int planes;
int lines[3];
float bpp[3];
};
BOOST_AUTO_TEST_CASE (pixel_formats_test)
{
list<Case> cases;
cases.push_back(Case(AV_PIX_FMT_RGB24, 1, 480, 480, 480, 3, 0, 0 ));
cases.push_back(Case(AV_PIX_FMT_RGBA, 1, 480, 480, 480, 4, 0, 0 ));
cases.push_back(Case(AV_PIX_FMT_YUV420P, 3, 480, 240, 240, 1, 0.5, 0.5));
cases.push_back(Case(AV_PIX_FMT_YUV422P, 3, 480, 480, 480, 1, 0.5, 0.5));
cases.push_back(Case(AV_PIX_FMT_YUV422P10LE, 3, 480, 480, 480, 2, 1, 1 ));
cases.push_back(Case(AV_PIX_FMT_YUV422P16LE, 3, 480, 480, 480, 2, 1, 1 ));
cases.push_back(Case(AV_PIX_FMT_UYVY422, 1, 480, 480, 480, 2, 0, 0 ));
cases.push_back(Case(AV_PIX_FMT_YUV444P, 3, 480, 480, 480, 1, 1, 1 ));
cases.push_back(Case(AV_PIX_FMT_YUV444P9BE, 3, 480, 480, 480, 2, 2, 2 ));
cases.push_back(Case(AV_PIX_FMT_YUV444P9LE, 3, 480, 480, 480, 2, 2, 2 ));
cases.push_back(Case(AV_PIX_FMT_YUV444P10BE, 3, 480, 480, 480, 2, 2, 2 ));
cases.push_back(Case(AV_PIX_FMT_YUV444P10LE, 3, 480, 480, 480, 2, 2, 2 ));
for (list<Case>::iterator i = cases.begin(); i != cases.end(); ++i) {
AVFrame* f = av_frame_alloc ();
f->width = 640;
f->height = 480;
f->format = static_cast<int> (i->format);
av_frame_get_buffer (f, true);
Image t (f);
BOOST_CHECK_EQUAL(t.planes(), i->planes);
BOOST_CHECK_EQUAL(t.sample_size(0).height, i->lines[0]);
BOOST_CHECK_EQUAL(t.sample_size(1).height, i->lines[1]);
BOOST_CHECK_EQUAL(t.sample_size(2).height, i->lines[2]);
BOOST_CHECK_EQUAL(t.bytes_per_pixel(0), i->bpp[0]);
BOOST_CHECK_EQUAL(t.bytes_per_pixel(1), i->bpp[1]);
BOOST_CHECK_EQUAL(t.bytes_per_pixel(2), i->bpp[2]);
}
}
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