Add failing test for #2364.

2 files changed, 21 insertions, 0 deletions

diff --git a/src/lib/audio_analyser.cc b/src/lib/audio_analyser.cc
index c9fc2118c..e4dfc6bde 100644
--- a/src/lib/audio_analyser.cc
+++ b/src/lib/audio_analyser.cc
@@ -138,6 +138,11 @@ AudioAnalyser::analyse (shared_ptr<AudioBuffers> b, DCPTime time)
 {
 	LOG_DEBUG_AUDIO_ANALYSIS("Received %1 frames at %2", b->frames(), to_string(time));
 	DCPOMATIC_ASSERT (time >= _start);
+	/* In bug #2364 we had a lot of frames arriving here (~47s worth) which
+	 * caused an OOM error on Windows.  Check for the number of frames being
+	 * reasonable here to make sure we catch this if it happens again.
+	 */
+	DCPOMATIC_ASSERT(b->frames() < 480000);
 
 #ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
 	if (Config::instance()->analyse_ebur128 ()) {
diff --git a/test/audio_analysis_test.cc b/test/audio_analysis_test.cc
index 8162d540c..b3c519f29 100644
--- a/test/audio_analysis_test.cc
+++ b/test/audio_analysis_test.cc
@@ -218,3 +218,19 @@ BOOST_AUTO_TEST_CASE (analyse_audio_leqm_test)
 	/* The CLI tool of leqm_nrt gives this value for betty_stereo_48k.wav */
 	BOOST_CHECK_CLOSE (analysis.leqm().get_value_or(0), 88.276, 0.001);
 }
+
+
+/** Bug #2364; a file with a lot of silent video at the end (about 50s worth)
+ *  crashed the audio analysis with an OOM on Windows.
+ */
+BOOST_AUTO_TEST_CASE(analyse_audio_with_long_silent_end)
+{
+	auto content = content_factory(TestPaths::private_data() / "2364.mkv")[0];
+	auto film = new_test_film2("analyse_audio_with_long_silent_end", { content });
+
+	auto playlist = make_shared<Playlist>();
+	playlist->add(film, content);
+	boost::signals2::connection c;
+	JobManager::instance()->analyse_audio(film, playlist, false, c, []() {});
+	BOOST_CHECK(!wait_for_jobs());
+}