2 Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 /** @file test/test.cc
22 * @brief Overall test stuff and useful methods for tests.
25 #include "lib/config.h"
27 #include "lib/signal_manager.h"
29 #include "lib/job_manager.h"
31 #include "lib/cross.h"
32 #include "lib/encode_server_finder.h"
33 #include "lib/ffmpeg_image_proxy.h"
34 #include "lib/image.h"
35 #include "lib/ratio.h"
36 #include "lib/dcp_content_type.h"
37 #include "lib/log_entry.h"
38 #include "lib/compose.hpp"
39 #include "lib/file_log.h"
40 #include "lib/dcpomatic_log.h"
45 #include <dcp/reel_picture_asset.h>
46 #include <dcp/mono_picture_frame.h>
47 #include <dcp/mono_picture_asset.h>
48 #include <dcp/openjpeg_image.h>
49 #include <asdcp/AS_DCP.h>
52 #include <libxml++/libxml++.h>
54 #include <libavformat/avformat.h>
56 #define BOOST_TEST_DYN_LINK
57 #define BOOST_TEST_MODULE dcpomatic_test
58 #include <boost/test/unit_test.hpp>
59 #include <boost/algorithm/string.hpp>
71 using boost::shared_ptr;
72 using boost::scoped_array;
73 using boost::dynamic_pointer_cast;
74 #if BOOST_VERSION >= 106100
75 using namespace boost::placeholders;
79 boost::filesystem::path
80 TestPaths::TestPaths::private_data ()
82 char* env = getenv("DCPOMATIC_TEST_PRIVATE");
84 return boost::filesystem::path(env);
87 return boost::filesystem::canonical(boost::filesystem::path ("..") / boost::filesystem::path ("dcpomatic-test-private"));
91 boost::filesystem::path TestPaths::xsd ()
93 return boost::filesystem::canonical(boost::filesystem::path("..") / boost::filesystem::path("libdcp") / boost::filesystem::path("xsd"));
100 Config::instance()->set_master_encoding_threads (boost::thread::hardware_concurrency());
101 Config::instance()->set_server_encoding_threads (1);
102 Config::instance()->set_server_port_base (61921);
103 Config::instance()->set_default_isdcf_metadata (ISDCFMetadata ());
104 Config::instance()->set_default_container (Ratio::from_id ("185"));
105 Config::instance()->set_default_dcp_content_type (static_cast<DCPContentType*> (0));
106 Config::instance()->set_default_audio_delay (0);
107 Config::instance()->set_default_j2k_bandwidth (100000000);
108 Config::instance()->set_default_interop (false);
109 Config::instance()->set_default_still_length (10);
110 Config::instance()->set_log_types (
111 LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING |
112 LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_THREED |
113 LogEntry::TYPE_DEBUG_ENCODE | LogEntry::TYPE_DEBUG_PLAYER |
116 Config::instance()->set_automatic_audio_analysis (false);
119 class TestSignalManager : public SignalManager
122 /* No wakes in tests: we call ui_idle ourselves */
133 State::override_path = "build/test/state";
134 boost::filesystem::remove_all (*State::override_path);
137 setup_test_config ();
139 EncodeServerFinder::instance()->stop ();
141 signal_manager = new TestSignalManager ();
143 dcpomatic_log.reset (new FileLog("build/test/log"));
152 BOOST_GLOBAL_FIXTURE (TestConfig);
154 boost::filesystem::path
155 test_film_dir (string name)
157 boost::filesystem::path p;
165 new_test_film (string name)
167 boost::filesystem::path p = test_film_dir (name);
168 if (boost::filesystem::exists (p)) {
169 boost::filesystem::remove_all (p);
172 shared_ptr<Film> film = shared_ptr<Film> (new Film (p));
173 film->write_metadata ();
178 new_test_film2 (string name)
180 boost::filesystem::path p = test_film_dir (name);
181 if (boost::filesystem::exists (p)) {
182 boost::filesystem::remove_all (p);
185 shared_ptr<Film> film = shared_ptr<Film> (new Film (p));
186 film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TST"));
187 film->set_container (Ratio::from_id ("185"));
188 film->write_metadata ();
193 check_wav_file (boost::filesystem::path ref, boost::filesystem::path check)
197 SNDFILE* ref_file = sf_open (ref.string().c_str(), SFM_READ, &ref_info);
198 BOOST_CHECK (ref_file);
201 check_info.format = 0;
202 SNDFILE* check_file = sf_open (check.string().c_str(), SFM_READ, &check_info);
203 BOOST_CHECK (check_file);
205 BOOST_CHECK_EQUAL (ref_info.frames, check_info.frames);
206 BOOST_CHECK_EQUAL (ref_info.samplerate, check_info.samplerate);
207 BOOST_CHECK_EQUAL (ref_info.channels, check_info.channels);
208 BOOST_CHECK_EQUAL (ref_info.format, check_info.format);
210 /* buffer_size is in frames */
211 sf_count_t const buffer_size = 65536 * ref_info.channels;
212 scoped_array<int32_t> ref_buffer (new int32_t[buffer_size]);
213 scoped_array<int32_t> check_buffer (new int32_t[buffer_size]);
215 sf_count_t N = ref_info.frames;
217 sf_count_t this_time = min (buffer_size, N);
218 sf_count_t r = sf_readf_int (ref_file, ref_buffer.get(), this_time);
219 BOOST_CHECK_EQUAL (r, this_time);
220 r = sf_readf_int (check_file, check_buffer.get(), this_time);
221 BOOST_CHECK_EQUAL (r, this_time);
223 for (sf_count_t i = 0; i < this_time; ++i) {
224 BOOST_REQUIRE_MESSAGE (
225 abs (ref_buffer[i] - check_buffer[i]) <= 65536,
226 ref << " differs from " << check << " at " << (ref_info.frames - N + i) << " of " << ref_info.frames
227 << "(" << ref_buffer[i] << " vs " << check_buffer[i] << ")"
236 check_mxf_audio_file (boost::filesystem::path ref, boost::filesystem::path check)
238 ASDCP::PCM::MXFReader ref_reader;
239 BOOST_REQUIRE (!ASDCP_FAILURE (ref_reader.OpenRead (ref.string().c_str())));
241 ASDCP::PCM::AudioDescriptor ref_desc;
242 BOOST_REQUIRE (!ASDCP_FAILURE (ref_reader.FillAudioDescriptor (ref_desc)));
244 ASDCP::PCM::MXFReader check_reader;
245 BOOST_REQUIRE (!ASDCP_FAILURE (check_reader.OpenRead (check.string().c_str())));
247 ASDCP::PCM::AudioDescriptor check_desc;
248 BOOST_REQUIRE (!ASDCP_FAILURE (check_reader.FillAudioDescriptor (check_desc)));
250 BOOST_REQUIRE_EQUAL (ref_desc.ContainerDuration, check_desc.ContainerDuration);
252 ASDCP::PCM::FrameBuffer ref_buffer (Kumu::Megabyte);
253 ASDCP::PCM::FrameBuffer check_buffer (Kumu::Megabyte);
254 for (size_t i = 0; i < ref_desc.ContainerDuration; ++i) {
255 ref_reader.ReadFrame (i, ref_buffer, 0);
256 check_reader.ReadFrame (i, check_buffer, 0);
257 BOOST_REQUIRE (memcmp(ref_buffer.RoData(), check_buffer.RoData(), ref_buffer.Size()) == 0);
262 /** @return true if the files are the same, otherwise false */
264 mxf_atmos_files_same (boost::filesystem::path ref, boost::filesystem::path check, bool verbose)
266 ASDCP::ATMOS::MXFReader ref_reader;
267 BOOST_REQUIRE (!ASDCP_FAILURE(ref_reader.OpenRead(ref.string().c_str())));
269 ASDCP::ATMOS::AtmosDescriptor ref_desc;
270 BOOST_REQUIRE (!ASDCP_FAILURE(ref_reader.FillAtmosDescriptor(ref_desc)));
272 ASDCP::ATMOS::MXFReader check_reader;
273 BOOST_REQUIRE (!ASDCP_FAILURE(check_reader.OpenRead(check.string().c_str())));
275 ASDCP::ATMOS::AtmosDescriptor check_desc;
276 BOOST_REQUIRE (!ASDCP_FAILURE(check_reader.FillAtmosDescriptor(check_desc)));
278 if (ref_desc.EditRate.Numerator != check_desc.EditRate.Numerator) {
280 std::cout << "EditRate.Numerator differs.\n";
284 if (ref_desc.EditRate.Denominator != check_desc.EditRate.Denominator) {
286 std::cout << "EditRate.Denominator differs.\n";
290 if (ref_desc.ContainerDuration != check_desc.ContainerDuration) {
292 std::cout << "EditRate.ContainerDuration differs.\n";
296 if (ref_desc.FirstFrame != check_desc.FirstFrame) {
298 std::cout << "EditRate.FirstFrame differs.\n";
302 if (ref_desc.MaxChannelCount != check_desc.MaxChannelCount) {
304 std::cout << "EditRate.MaxChannelCount differs.\n";
308 if (ref_desc.MaxObjectCount != check_desc.MaxObjectCount) {
310 std::cout << "EditRate.MaxObjectCount differs.\n";
314 if (ref_desc.AtmosVersion != check_desc.AtmosVersion) {
316 std::cout << "EditRate.AtmosVersion differs.\n";
321 ASDCP::DCData::FrameBuffer ref_buffer (Kumu::Megabyte);
322 ASDCP::DCData::FrameBuffer check_buffer (Kumu::Megabyte);
323 for (size_t i = 0; i < ref_desc.ContainerDuration; ++i) {
324 ref_reader.ReadFrame (i, ref_buffer, 0);
325 check_reader.ReadFrame (i, check_buffer, 0);
326 if (memcmp(ref_buffer.RoData(), check_buffer.RoData(), ref_buffer.Size())) {
328 std::cout << "data differs.\n";
340 rms_error (boost::filesystem::path ref, boost::filesystem::path check)
342 FFmpegImageProxy ref_proxy (ref, VIDEO_RANGE_FULL);
343 shared_ptr<Image> ref_image = ref_proxy.image().image;
344 FFmpegImageProxy check_proxy (check, VIDEO_RANGE_FULL);
345 shared_ptr<Image> check_image = check_proxy.image().image;
347 BOOST_REQUIRE_EQUAL (ref_image->pixel_format(), check_image->pixel_format());
348 AVPixelFormat const format = ref_image->pixel_format();
350 BOOST_REQUIRE (ref_image->size() == check_image->size());
351 int const width = ref_image->size().width;
352 int const height = ref_image->size().height;
354 double sum_square = 0;
356 case AV_PIX_FMT_RGBA:
358 for (int y = 0; y < height; ++y) {
359 uint8_t* p = ref_image->data()[0] + y * ref_image->stride()[0];
360 uint8_t* q = check_image->data()[0] + y * check_image->stride()[0];
361 for (int x = 0; x < width; ++x) {
362 for (int c = 0; c < 4; ++c) {
363 sum_square += pow((*p++ - *q++), 2);
369 case AV_PIX_FMT_RGB24:
371 for (int y = 0; y < height; ++y) {
372 uint8_t* p = ref_image->data()[0] + y * ref_image->stride()[0];
373 uint8_t* q = check_image->data()[0] + y * check_image->stride()[0];
374 for (int x = 0; x < width; ++x) {
375 for (int c = 0; c < 3; ++c) {
376 sum_square += pow((*p++ - *q++), 2);
382 case AV_PIX_FMT_RGB48BE:
384 for (int y = 0; y < height; ++y) {
385 uint16_t* p = reinterpret_cast<uint16_t*>(ref_image->data()[0] + y * ref_image->stride()[0]);
386 uint16_t* q = reinterpret_cast<uint16_t*>(check_image->data()[0] + y * check_image->stride()[0]);
387 for (int x = 0; x < width; ++x) {
388 for (int c = 0; c < 3; ++c) {
389 sum_square += pow((*p++ - *q++), 2);
396 BOOST_REQUIRE_MESSAGE (false, "unrecognised pixel format " << format);
399 return sqrt(sum_square / (height * width));
403 BOOST_AUTO_TEST_CASE (rms_error_test)
405 BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image0.png"), 0, 0.001);
406 BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image1.png"), 2.2778, 0.001);
407 BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image2.png"), 59.8896, 0.001);
408 BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image3.png"), 0.89164, 0.001);
413 check_image (boost::filesystem::path ref, boost::filesystem::path check, double threshold)
415 double const e = rms_error (ref, check);
416 BOOST_CHECK_MESSAGE (e < threshold, ref << " differs from " << check << " " << e);
421 check_file (boost::filesystem::path ref, boost::filesystem::path check)
423 uintmax_t N = boost::filesystem::file_size (ref);
424 BOOST_CHECK_EQUAL (N, boost::filesystem::file_size (check));
425 FILE* ref_file = fopen_boost (ref, "rb");
426 BOOST_CHECK (ref_file);
427 FILE* check_file = fopen_boost (check, "rb");
428 BOOST_CHECK (check_file);
430 int const buffer_size = 65536;
431 uint8_t* ref_buffer = new uint8_t[buffer_size];
432 uint8_t* check_buffer = new uint8_t[buffer_size];
434 string error = "File " + check.string() + " differs from reference " + ref.string();
437 uintmax_t this_time = min (uintmax_t (buffer_size), N);
438 size_t r = fread (ref_buffer, 1, this_time, ref_file);
439 BOOST_CHECK_EQUAL (r, this_time);
440 r = fread (check_buffer, 1, this_time, check_file);
441 BOOST_CHECK_EQUAL (r, this_time);
443 BOOST_CHECK_MESSAGE (memcmp (ref_buffer, check_buffer, this_time) == 0, error);
444 if (memcmp (ref_buffer, check_buffer, this_time)) {
452 delete[] check_buffer;
459 note (dcp::NoteType t, string n)
461 if (t == dcp::DCP_ERROR) {
468 check_dcp (boost::filesystem::path ref, shared_ptr<const Film> film)
470 check_dcp (ref, film->dir(film->dcp_name()));
475 check_dcp (boost::filesystem::path ref, boost::filesystem::path check)
477 dcp::DCP ref_dcp (ref);
479 dcp::DCP check_dcp (check);
482 dcp::EqualityOptions options;
483 options.max_mean_pixel_error = 5;
484 options.max_std_dev_pixel_error = 5;
485 options.max_audio_sample_error = 255;
486 options.cpl_annotation_texts_can_differ = true;
487 options.reel_annotation_texts_can_differ = true;
488 options.reel_hashes_can_differ = true;
489 options.issue_dates_can_differ = true;
491 BOOST_CHECK (ref_dcp.equals (check_dcp, options, boost::bind (note, _1, _2)));
495 check_xml (xmlpp::Element* ref, xmlpp::Element* test, list<string> ignore)
497 BOOST_CHECK_EQUAL (ref->get_name (), test->get_name ());
498 BOOST_CHECK_EQUAL (ref->get_namespace_prefix (), test->get_namespace_prefix ());
500 if (find (ignore.begin(), ignore.end(), ref->get_name()) != ignore.end ()) {
504 xmlpp::Element::NodeList ref_children = ref->get_children ();
505 xmlpp::Element::NodeList test_children = test->get_children ();
506 BOOST_REQUIRE_MESSAGE (
507 ref_children.size() == test_children.size(),
508 ref->get_name() << " has " << ref_children.size() << " or " << test_children.size() << " children"
511 xmlpp::Element::NodeList::iterator k = ref_children.begin ();
512 xmlpp::Element::NodeList::iterator l = test_children.begin ();
513 while (k != ref_children.end ()) {
515 /* XXX: should be doing xmlpp::EntityReference, xmlpp::XIncludeEnd, xmlpp::XIncludeStart */
517 xmlpp::Element* ref_el = dynamic_cast<xmlpp::Element*> (*k);
518 xmlpp::Element* test_el = dynamic_cast<xmlpp::Element*> (*l);
519 BOOST_CHECK ((ref_el && test_el) || (!ref_el && !test_el));
520 if (ref_el && test_el) {
521 check_xml (ref_el, test_el, ignore);
524 xmlpp::ContentNode* ref_cn = dynamic_cast<xmlpp::ContentNode*> (*k);
525 xmlpp::ContentNode* test_cn = dynamic_cast<xmlpp::ContentNode*> (*l);
526 BOOST_CHECK ((ref_cn && test_cn) || (!ref_cn && !test_cn));
527 if (ref_cn && test_cn) {
528 BOOST_CHECK_EQUAL (ref_cn->get_content(), test_cn->get_content ());
535 xmlpp::Element::AttributeList ref_attributes = ref->get_attributes ();
536 xmlpp::Element::AttributeList test_attributes = test->get_attributes ();
537 BOOST_CHECK_EQUAL (ref_attributes.size(), test_attributes.size ());
539 xmlpp::Element::AttributeList::const_iterator m = ref_attributes.begin();
540 xmlpp::Element::AttributeList::const_iterator n = test_attributes.begin();
541 while (m != ref_attributes.end ()) {
542 BOOST_CHECK_EQUAL ((*m)->get_name(), (*n)->get_name());
543 BOOST_CHECK_EQUAL ((*m)->get_value(), (*n)->get_value());
551 check_xml (boost::filesystem::path ref, boost::filesystem::path test, list<string> ignore)
553 xmlpp::DomParser* ref_parser = new xmlpp::DomParser (ref.string ());
554 xmlpp::Element* ref_root = ref_parser->get_document()->get_root_node ();
555 xmlpp::DomParser* test_parser = new xmlpp::DomParser (test.string ());
556 xmlpp::Element* test_root = test_parser->get_document()->get_root_node ();
558 check_xml (ref_root, test_root, ignore);
564 JobManager* jm = JobManager::instance ();
565 while (jm->work_to_do ()) {
566 while (signal_manager->ui_idle ()) {}
567 dcpomatic_sleep_seconds (1);
572 for (list<shared_ptr<Job> >::iterator i = jm->_jobs.begin(); i != jm->_jobs.end(); ++i) {
573 if ((*i)->finished_in_error ()) {
577 cerr << N << " errors.\n";
579 for (list<shared_ptr<Job> >::iterator i = jm->_jobs.begin(); i != jm->_jobs.end(); ++i) {
580 if ((*i)->finished_in_error ()) {
581 cerr << (*i)->name() << ":\n"
582 << "\tsummary: " << (*i)->error_summary () << "\n"
583 << "\tdetails: " << (*i)->error_details () << "\n";
588 while (signal_manager->ui_idle ()) {}
618 png_write_data (png_structp png_ptr, png_bytep data, png_size_t length)
620 Memory* mem = reinterpret_cast<Memory*>(png_get_io_ptr(png_ptr));
621 size_t size = mem->size + length;
624 mem->data = reinterpret_cast<uint8_t*>(realloc(mem->data, size));
626 mem->data = reinterpret_cast<uint8_t*>(malloc(size));
629 BOOST_REQUIRE (mem->data);
631 memcpy (mem->data + mem->size, data, length);
637 png_flush (png_structp)
644 png_error_fn (png_structp png_ptr, char const * message)
646 reinterpret_cast<Image*>(png_get_error_ptr(png_ptr))->png_error (message);
651 write_image (shared_ptr<const Image> image, boost::filesystem::path file)
653 int png_color_type = 0;
654 int bits_per_pixel = 0;
655 switch (image->pixel_format()) {
656 case AV_PIX_FMT_RGB24:
657 png_color_type = PNG_COLOR_TYPE_RGB;
660 case AV_PIX_FMT_XYZ12LE:
661 png_color_type = PNG_COLOR_TYPE_RGB;
665 BOOST_REQUIRE_MESSAGE (false, "unexpected pixel format " << image->pixel_format());
668 /* error handling? */
669 png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, reinterpret_cast<void*>(const_cast<Image*>(image.get())), png_error_fn, 0);
670 BOOST_REQUIRE (png_ptr);
674 png_set_write_fn (png_ptr, &state, png_write_data, png_flush);
676 png_infop info_ptr = png_create_info_struct(png_ptr);
677 BOOST_REQUIRE (info_ptr);
679 png_set_IHDR (png_ptr, info_ptr, image->size().width, image->size().height, bits_per_pixel, png_color_type, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
681 png_byte ** row_pointers = reinterpret_cast<png_byte **>(png_malloc(png_ptr, image->size().height * sizeof(png_byte *)));
682 for (int i = 0; i < image->size().height; ++i) {
683 row_pointers[i] = (png_byte *) (image->data()[0] + i * image->stride()[0]);
686 png_write_info (png_ptr, info_ptr);
687 png_write_image (png_ptr, row_pointers);
688 png_write_end (png_ptr, info_ptr);
690 png_destroy_write_struct (&png_ptr, &info_ptr);
691 png_free (png_ptr, row_pointers);
693 dcp::ArrayData(state.data, state.size).write(file);
698 check_ffmpeg (boost::filesystem::path ref, boost::filesystem::path check, int audio_tolerance)
700 int const r = system (String::compose("ffcmp -t %1 %2 %3", audio_tolerance, ref.string(), check.string()).c_str());
701 BOOST_REQUIRE_EQUAL (WEXITSTATUS(r), 0);
705 check_one_frame (boost::filesystem::path dcp_dir, int64_t index, boost::filesystem::path ref)
707 dcp::DCP dcp (dcp_dir);
709 shared_ptr<dcp::MonoPictureAsset> asset = dynamic_pointer_cast<dcp::MonoPictureAsset> (dcp.cpls().front()->reels().front()->main_picture()->asset());
710 BOOST_REQUIRE (asset);
711 shared_ptr<const dcp::MonoPictureFrame> frame = asset->start_read()->get_frame(index);
712 shared_ptr<const dcp::MonoPictureFrame> ref_frame (new dcp::MonoPictureFrame (ref));
714 shared_ptr<dcp::OpenJPEGImage> image = frame->xyz_image ();
715 shared_ptr<dcp::OpenJPEGImage> ref_image = ref_frame->xyz_image ();
717 BOOST_REQUIRE (image->size() == ref_image->size());
720 for (int y = 0; y < ref_image->size().height; ++y) {
721 for (int x = 0; x < ref_image->size().width; ++x) {
722 BOOST_REQUIRE_EQUAL (ref_image->data(0)[off], image->data(0)[off]);
723 BOOST_REQUIRE_EQUAL (ref_image->data(1)[off], image->data(1)[off]);
724 BOOST_REQUIRE_EQUAL (ref_image->data(2)[off], image->data(2)[off]);
730 boost::filesystem::path
731 dcp_file (shared_ptr<const Film> film, string prefix)
733 boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (film->dir(film->dcp_name()));
734 while (i != boost::filesystem::directory_iterator() && !boost::algorithm::starts_with (i->path().leaf().string(), prefix)) {
738 BOOST_REQUIRE (i != boost::filesystem::directory_iterator());
742 boost::filesystem::path
743 subtitle_file (shared_ptr<Film> film)
746 boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (film->directory().get() / film->dcp_name (false));
747 i != boost::filesystem::directory_iterator ();
750 if (boost::filesystem::is_directory (i->path ())) {
752 boost::filesystem::directory_iterator j = boost::filesystem::directory_iterator (i->path ());
753 j != boost::filesystem::directory_iterator ();
756 if (boost::algorithm::starts_with (j->path().leaf().string(), "sub_")) {
763 BOOST_REQUIRE (false);
765 return boost::filesystem::path("/");
769 make_random_file (boost::filesystem::path path, size_t size)
771 FILE* t = fopen_boost(path, "wb");
773 for (size_t i = 0; i < size; ++i) {
774 uint8_t r = rand() & 0xff;
775 fwrite (&r, 1, 1, t);
781 LogSwitcher::LogSwitcher (shared_ptr<Log> log)
782 : _old (dcpomatic_log)
788 LogSwitcher::~LogSwitcher ()
790 dcpomatic_log = _old;