/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2017 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/audio_merger_test.cc
+ * @brief Test AudioMerger class.
+ * @ingroup selfcontained
+ */
+
+#include "lib/audio_merger.h"
+#include "lib/audio_buffers.h"
#include <boost/test/unit_test.hpp>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <boost/signals2.hpp>
-#include "lib/audio_merger.h"
-#include "lib/audio_buffers.h"
+#include <iostream>
+using std::pair;
+using std::list;
+using std::cout;
using boost::shared_ptr;
using boost::bind;
static shared_ptr<const AudioBuffers> last_audio;
-BOOST_AUTO_TEST_CASE (audio_merger_test1)
-{
- int const frame_rate = 48000;
- AudioMerger merger (1, frame_rate);
+int const sampling_rate = 48000;
- /* Push 64 samples, 0 -> 63 at time 0 */
- shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, 64));
- for (int i = 0; i < 64; ++i) {
- buffers->data()[0][i] = i;
+static void
+push (AudioMerger& merger, int from, int to, int at)
+{
+ shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, to - from));
+ for (int i = 0; i < (to - from); ++i) {
+ buffers->data()[0][i] = from + i;
}
- merger.push (buffers, DCPTime ());
+ merger.push (buffers, DCPTime(at, sampling_rate));
+}
+
+/* Basic mixing, 2 overlapping pushes */
+BOOST_AUTO_TEST_CASE (audio_merger_test1)
+{
+ AudioMerger merger (sampling_rate);
- /* Push 64 samples, 0 -> 63 at time 22 */
- merger.push (buffers, DCPTime::from_frames (22, frame_rate));
+ push (merger, 0, 64, 0);
+ push (merger, 0, 64, 22);
- TimedAudioBuffers<DCPTime> tb = merger.pull (DCPTime::from_frames (22, frame_rate));
- BOOST_CHECK (tb.audio != shared_ptr<const AudioBuffers> ());
- BOOST_CHECK_EQUAL (tb.audio->frames(), 22);
- BOOST_CHECK_EQUAL (tb.time, 0);
+ list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
+ BOOST_REQUIRE (tb.size() == 1);
+ BOOST_CHECK (tb.front().first != shared_ptr<const AudioBuffers> ());
+ BOOST_CHECK_EQUAL (tb.front().first->frames(), 22);
+ BOOST_CHECK_EQUAL (tb.front().second.get(), 0);
/* And they should be a staircase */
for (int i = 0; i < 22; ++i) {
- BOOST_CHECK_EQUAL (tb.audio->data()[0][i], i);
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
}
- tb = merger.flush ();
-
- /* That flush should give us 64 samples at 22 */
- BOOST_CHECK_EQUAL (tb.audio->frames(), 64);
- BOOST_CHECK_EQUAL (tb.time, DCPTime::from_frames (22, frame_rate));
+ tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
+ BOOST_REQUIRE (tb.size() == 1);
+ BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
+ BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(22, sampling_rate).get());
/* Check the sample values */
for (int i = 0; i < 64; ++i) {
if (i < (64 - 22)) {
correct += i + 22;
}
- BOOST_CHECK_EQUAL (tb.audio->data()[0][i], correct);
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], correct);
}
}
+/* Push at non-zero time */
BOOST_AUTO_TEST_CASE (audio_merger_test2)
{
- int const frame_rate = 48000;
- AudioMerger merger (1, frame_rate);
+ AudioMerger merger (sampling_rate);
+
+ push (merger, 0, 64, 9);
+
+ /* There's nothing from 0 to 9 */
+ list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
+ BOOST_CHECK_EQUAL (tb.size(), 0);
+
+ /* Then there's our data at 9 */
+ tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
- /* Push 64 samples, 0 -> 63 at time 9 */
- shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, 64));
+ BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
+ BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(9, sampling_rate).get());
+
+ /* Check the sample values */
for (int i = 0; i < 64; ++i) {
- buffers->data()[0][i] = i;
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
}
- merger.push (buffers, DCPTime::from_frames (9, frame_rate));
-
- TimedAudioBuffers<DCPTime> tb = merger.pull (DCPTime::from_frames (9, frame_rate));
- BOOST_CHECK_EQUAL (tb.audio->frames(), 9);
- BOOST_CHECK_EQUAL (tb.time, 0);
-
- for (int i = 0; i < 9; ++i) {
- BOOST_CHECK_EQUAL (tb.audio->data()[0][i], 0);
+}
+
+/* Push two non contiguous blocks */
+BOOST_AUTO_TEST_CASE (audio_merger_test3)
+{
+ AudioMerger merger (sampling_rate);
+
+ push (merger, 0, 64, 17);
+ push (merger, 0, 64, 114);
+
+ /* Get them back */
+
+ list<pair<shared_ptr<AudioBuffers>, DCPTime> > tb = merger.pull (DCPTime::from_frames (100, sampling_rate));
+ BOOST_REQUIRE (tb.size() == 1);
+ BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
+ BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(17, sampling_rate).get());
+ for (int i = 0; i < 64; ++i) {
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
}
-
- tb = merger.flush ();
- /* That flush should give us 64 samples at 9 */
- BOOST_CHECK_EQUAL (tb.audio->frames(), 64);
- BOOST_CHECK_EQUAL (tb.time, 9);
-
- /* Check the sample values */
+ tb = merger.pull (DCPTime::from_frames (200, sampling_rate));
+ BOOST_REQUIRE (tb.size() == 1);
+ BOOST_CHECK_EQUAL (tb.front().first->frames(), 64);
+ BOOST_CHECK_EQUAL (tb.front().second.get(), DCPTime::from_frames(114, sampling_rate).get());
for (int i = 0; i < 64; ++i) {
- BOOST_CHECK_EQUAL (tb.audio->data()[0][i], i);
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
}
}
projects / dcpomatic.git / blobdiff