*/
+/** @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 <iostream>
using std::pair;
+using std::list;
+using std::cout;
using boost::shared_ptr;
using boost::bind;
int const sampling_rate = 48000;
-BOOST_AUTO_TEST_CASE (audio_merger_test1)
+static void
+push (AudioMerger& merger, int from, int to, int at)
{
- AudioMerger merger (1, sampling_rate);
-
- /* 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;
+ 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));
+}
- /* Push 64 samples, 0 -> 63 at time 22 */
- merger.push (buffers, DCPTime::from_frames (22, sampling_rate));
+/* Basic mixing, 2 overlapping pushes */
+BOOST_AUTO_TEST_CASE (audio_merger_test1)
+{
+ AudioMerger merger (sampling_rate);
+
+ push (merger, 0, 64, 0);
+ push (merger, 0, 64, 22);
- pair<shared_ptr<AudioBuffers>, DCPTime> tb = merger.pull (DCPTime::from_frames (22, sampling_rate));
- BOOST_CHECK (tb.first != shared_ptr<const AudioBuffers> ());
- BOOST_CHECK_EQUAL (tb.first->frames(), 22);
- BOOST_CHECK_EQUAL (tb.second.get(), 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.first->data()[0][i], i);
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
}
tb = merger.pull (DCPTime::from_frames (22 + 64, sampling_rate));
-
- BOOST_CHECK_EQUAL (tb.first->frames(), 64);
- BOOST_CHECK_EQUAL (tb.second.get(), DCPTime::from_frames(22, sampling_rate).get());
+ 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.first->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)
{
- AudioMerger merger (1, sampling_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);
- /* Push 64 samples, 0 -> 63 at time 9 */
- shared_ptr<AudioBuffers> buffers (new AudioBuffers (1, 64));
+ /* Then there's our data at 9 */
+ tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
+
+ 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, sampling_rate));
+}
- pair<shared_ptr<AudioBuffers>, DCPTime> tb = merger.pull (DCPTime::from_frames (9, sampling_rate));
- BOOST_CHECK_EQUAL (tb.first->frames(), 9);
- BOOST_CHECK_EQUAL (tb.second.get(), 0);
+/* Push two non contiguous blocks */
+BOOST_AUTO_TEST_CASE (audio_merger_test3)
+{
+ AudioMerger merger (sampling_rate);
- for (int i = 0; i < 9; ++i) {
- BOOST_CHECK_EQUAL (tb.first->data()[0][i], 0);
- }
+ push (merger, 0, 64, 17);
+ push (merger, 0, 64, 114);
- tb = merger.pull (DCPTime::from_frames (9 + 64, sampling_rate));
+ /* Get them back */
- BOOST_CHECK_EQUAL (tb.first->frames(), 64);
- BOOST_CHECK_EQUAL (tb.second.get(), DCPTime::from_frames(9, sampling_rate).get());
+ 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);
+ }
- /* 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.first->data()[0][i], i);
+ BOOST_CHECK_EQUAL (tb.front().first->data()[0][i], i);
}
}