Hopefully much cleaner handling of PTS changes under resample.

2 files changed, 56 insertions, 0 deletions

diff --git a/test/resampler_test.cc b/test/resampler_test.cc
new file mode 100644
index 000000000..1ef69b0c2
--- /dev/null
+++ b/test/resampler_test.cc
@@ -0,0 +1,55 @@
+/*
+    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+
+    This program 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,
+    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.
+
+*/
+
+#include <boost/test/unit_test.hpp>
+#include "lib/audio_buffers.h"
+#include "lib/resampler.h"
+
+using std::pair;
+using std::cout;
+using boost::shared_ptr;
+
+static void
+resampler_test_one (int from, int to)
+{
+	Resampler resamp (from, to, 1);
+
+	int total_out = 0;
+
+	/* 3 hours */
+	int64_t const N = from * 60 * 60 * 3;
+	
+	for (int64_t i = 0; i < N; i += 1000) {
+		shared_ptr<AudioBuffers> a (new AudioBuffers (1, 1000));
+		a->make_silent ();
+		pair<shared_ptr<const AudioBuffers>, AudioContent::Frame> r = resamp.run (a, i);
+		BOOST_CHECK_EQUAL (r.second, total_out);
+		total_out += r.first->frames ();
+	}
+}	
+		
+/** Check that the timings that come back from the resampler correspond
+    to the number of samples it generates.
+*/
+BOOST_AUTO_TEST_CASE (resampler_test)
+{
+	resampler_test_one (44100, 48000);
+	resampler_test_one (44100, 46080);
+	resampler_test_one (44100, 50000);
+}
diff --git a/test/wscript b/test/wscript
index f7e7180c8..fef1584f3 100644
--- a/test/wscript
+++ b/test/wscript
@@ -16,6 +16,7 @@ def build(bld):
     obj.use    = 'libdcpomatic'
     obj.source = """
                  test.cc
+                 resampler_test.cc
                  ffmpeg_audio_test.cc
                  threed_test.cc
                  play_test.cc