/*
- Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
- 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 <http://www.gnu.org/licenses/>.
*/
+
+/** @file test/ffmpeg_audio_only_test.cc
+ * @brief Test FFmpeg content with audio but no video.
+ * @ingroup feature
+ */
+
+
#include "lib/film.h"
#include "lib/ffmpeg_content.h"
+#include "lib/dcp_content_type.h"
+#include "lib/player.h"
+#include "lib/job_manager.h"
+#include "lib/audio_buffers.h"
#include "test.h"
+#include <dcp/sound_asset.h>
+#include <dcp/sound_asset_reader.h>
+#include <sndfile.h>
#include <boost/test/unit_test.hpp>
+#include <iostream>
+
+
+using std::min;
+using std::shared_ptr;
+using std::make_shared;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
+
+
+static SNDFILE* ref = nullptr;
+static int ref_buffer_size = 0;
+static float* ref_buffer = nullptr;
+
+
+static void
+audio (std::shared_ptr<AudioBuffers> audio, int channels)
+{
+ /* Check that we have a big enough buffer */
+ BOOST_CHECK (audio->frames() * audio->channels() < ref_buffer_size);
+
+ int const N = sf_readf_float (ref, ref_buffer, audio->frames());
+ for (int i = 0; i < N; ++i) {
+ switch (channels) {
+ case 1:
+ BOOST_CHECK_EQUAL (ref_buffer[i], audio->data(2)[i]);
+ break;
+ case 2:
+ BOOST_CHECK_EQUAL (ref_buffer[i*2 + 0], audio->data(0)[i]);
+ BOOST_CHECK_EQUAL (ref_buffer[i*2 + 1], audio->data(1)[i]);
+ break;
+ default:
+ BOOST_REQUIRE (false);
+ }
+ }
+}
-using boost::shared_ptr;
/** Test the FFmpeg code with audio-only content */
-BOOST_AUTO_TEST_CASE (ffmpeg_audio_only_test)
+static shared_ptr<Film>
+test (boost::filesystem::path file)
{
- shared_ptr<Film> film = new_test_film ("ffmpeg_audio_only_test");
+ auto film = new_test_film ("ffmpeg_audio_only_test");
film->set_name ("test_film");
- shared_ptr<FFmpegContent> c (new FFmpegContent (film, "test/data/sine_440.mp3"));
+ film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TST"));
+ auto c = make_shared<FFmpegContent>(file);
film->examine_and_add_content (c);
- wait_for_jobs ();
+ BOOST_REQUIRE (!wait_for_jobs());
film->write_metadata ();
+
+ /* See if can make a DCP without any errors */
+ make_and_verify_dcp (film, {dcp::VerificationNote::Code::MISSING_CPL_METADATA});
+ BOOST_CHECK (!JobManager::instance()->errors());
+
+ /* Compare the audio data player reads with what libsndfile reads */
+
+ SF_INFO info;
+ info.format = 0;
+ ref = sf_open (file.string().c_str(), SFM_READ, &info);
+ /* We don't want to test anything that requires resampling */
+ BOOST_REQUIRE_EQUAL (info.samplerate, 48000);
+ ref_buffer_size = info.samplerate * info.channels;
+ ref_buffer = new float[ref_buffer_size];
+
+ auto player = make_shared<Player>(film, Image::Alignment::COMPACT);
+
+ player->Audio.connect (bind (&audio, _1, info.channels));
+ while (!player->pass ()) {}
+
+ sf_close (ref);
+ delete[] ref_buffer;
+
+ return film;
+}
+
+
+BOOST_AUTO_TEST_CASE (ffmpeg_audio_only_test1)
+{
+ /* S16 */
+ auto film = test ("test/data/staircase.wav");
+
+ /* Compare the audio data in the DCP with what libsndfile reads */
+
+ SF_INFO info;
+ info.format = 0;
+ ref = sf_open ("test/data/staircase.wav", SFM_READ, &info);
+ /* We don't want to test anything that requires resampling */
+ BOOST_REQUIRE_EQUAL (info.samplerate, 48000);
+
+ auto buffer = new int16_t[info.channels * 2000];
+
+ dcp::SoundAsset asset (dcp_file(film, "pcm"));
+ auto reader = asset.start_read ();
+ for (int i = 0; i < asset.intrinsic_duration(); ++i) {
+ auto frame = reader->get_frame(i);
+ sf_count_t this_time = min (info.frames, sf_count_t(2000));
+ sf_readf_short (ref, buffer, this_time);
+ for (int j = 0; j < this_time; ++j) {
+ BOOST_REQUIRE_EQUAL (frame->get(2, j) >> 8, buffer[j]);
+ }
+ info.frames -= this_time;
+ }
+
+ delete[] buffer;
}
+
+BOOST_AUTO_TEST_CASE (ffmpeg_audio_only_test2)
+{
+ /* S32 1 channel */
+ auto film = test ("test/data/sine_440.wav");
+
+ /* Compare the audio data in the DCP with what libsndfile reads */
+
+ SF_INFO info;
+ info.format = 0;
+ ref = sf_open ("test/data/sine_440.wav", SFM_READ, &info);
+ /* We don't want to test anything that requires resampling */
+ BOOST_REQUIRE_EQUAL (info.samplerate, 48000);
+
+ auto buffer = new int32_t[info.channels * 2000];
+
+ dcp::SoundAsset asset (dcp_file(film, "pcm"));
+ auto reader = asset.start_read ();
+ for (int i = 0; i < asset.intrinsic_duration(); ++i) {
+ auto frame = reader->get_frame(i);
+ sf_count_t this_time = min (info.frames, sf_count_t(2000));
+ sf_readf_int (ref, buffer, this_time);
+ for (int j = 0; j < this_time; ++j) {
+ int32_t s = frame->get(2, j);
+ if (s > (1 << 23)) {
+ s -= (1 << 24);
+ }
+ BOOST_REQUIRE_MESSAGE (abs(s - (buffer[j] / 256)) <= 1, "failed on asset frame " << i << " sample " << j);
+ }
+ info.frames -= this_time;
+ }
+
+ delete[] buffer;
+}
+
+
+BOOST_AUTO_TEST_CASE (ffmpeg_audio_only_test3)
+{
+ /* S24 1 channel */
+ auto film = test ("test/data/sine_24_48_440.wav");
+
+ /* Compare the audio data in the DCP with what libsndfile reads */
+
+ SF_INFO info;
+ info.format = 0;
+ ref = sf_open ("test/data/sine_24_48_440.wav", SFM_READ, &info);
+ /* We don't want to test anything that requires resampling */
+ BOOST_REQUIRE_EQUAL (info.samplerate, 48000);
+
+ auto buffer = new int32_t[info.channels * 2000];
+
+ dcp::SoundAsset asset (dcp_file(film, "pcm"));
+ auto reader = asset.start_read ();
+ for (int i = 0; i < asset.intrinsic_duration(); ++i) {
+ auto frame = reader->get_frame(i);
+ sf_count_t this_time = min (info.frames, sf_count_t(2000));
+ sf_readf_int (ref, buffer, this_time);
+ for (int j = 0; j < this_time; ++j) {
+ int32_t s = frame->get(2, j);
+ if (s > (1 << 23)) {
+ s -= (1 << 24);
+ }
+ BOOST_REQUIRE_MESSAGE (abs(s - buffer[j] /256) <= 1, "failed on asset frame " << i << " sample " << j);
+ }
+ info.frames -= this_time;
+ }
+
+ delete[] buffer;
+}