blob: e66cf1829c3ead1659897c12fd5b5c57b06f84ad (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
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/>.
*/
/** @file test/j2k_bandwidth_test.cc
* @brief Test whether we output whatever J2K bandwidth is requested.
* @ingroup specific
*/
#include "test.h"
#include "lib/dcp_content_type.h"
#include "lib/film.h"
#include "lib/image_content.h"
#include "lib/video_content.h"
#include <dcp/raw_convert.h>
#include <boost/test/unit_test.hpp>
#include <boost/shared_ptr.hpp>
using std::string;
using boost::shared_ptr;
static void
check (int target_bits_per_second)
{
int const duration = 10;
string const name = "j2k_bandwidth_test_" + dcp::raw_convert<string> (target_bits_per_second);
shared_ptr<Film> film = new_test_film (name);
film->set_name (name);
film->set_dcp_content_type (DCPContentType::from_isdcf_name ("FTR"));
film->set_j2k_bandwidth (target_bits_per_second);
shared_ptr<ImageContent> content (new ImageContent(TestPaths::private_data / "prophet_frame.tiff"));
film->examine_and_add_content (content);
BOOST_REQUIRE (!wait_for_jobs());
content->video->set_length (24 * duration);
film->make_dcp ();
BOOST_REQUIRE (!wait_for_jobs());
boost::filesystem::directory_iterator i (boost::filesystem::path ("build") / "test" / name / "video");
boost::filesystem::path test = *i++;
BOOST_REQUIRE (i == boost::filesystem::directory_iterator ());
double actual_bits_per_second = boost::filesystem::file_size(test) * 8.0 / duration;
/* Check that we're within 85% to 115% of target on average */
BOOST_CHECK ((actual_bits_per_second / target_bits_per_second) > 0.85);
BOOST_CHECK ((actual_bits_per_second / target_bits_per_second) < 1.15);
}
BOOST_AUTO_TEST_CASE (j2k_bandwidth_test)
{
check (50000000);
check (100000000);
check (150000000);
check (200000000);
check (250000000);
}
|
