Add AudioMapping::take_from().

[dcpomatic.git] / test / audio_mapping_test.cc

diff --git a/test/audio_mapping_test.cc b/test/audio_mapping_test.cc
index adf715fc432212e3c9359f5d442803322e22446b..22412b26050bae8b9de001e458a26a49b4e595e7 100644 (file)
--- a/test/audio_mapping_test.cc
+++ b/test/audio_mapping_test.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,15 +18,23 @@
 
 */
 
+
 /** @file  test/audio_mapping_test.cc
- *  @brief Basic tests of the AudioMapping class, which itself doesn't really do much.
+ *  @brief Test AudioMapping class.
+ *  @ingroup selfcontained
  */
 
+
 #include <boost/test/unit_test.hpp>
 #include "lib/audio_mapping.h"
-#include "lib/util.h"
+#include "lib/constants.h"
+#include "lib/compose.hpp"
+
 
 using std::list;
+using std::string;
+using boost::optional;
+
 
 BOOST_AUTO_TEST_CASE (audio_mapping_test)
 {
@@ -40,12 +48,12 @@ BOOST_AUTO_TEST_CASE (audio_mapping_test)
 
        for (int i = 0; i < 4; ++i) {
                for (int j = 0; j < MAX_DCP_AUDIO_CHANNELS; ++j) {
-                       BOOST_CHECK_EQUAL (four.get (i, j), (i == 0 && j == 1) ? 1 : 0);
+                       BOOST_CHECK_EQUAL (four.get(i, j), (i == 0 && j == 1) ? 1 : 0);
                }
        }
 
-       list<int> mapped = four.mapped_output_channels ();
-       BOOST_CHECK_EQUAL (mapped.size(), 1);
+       auto mapped = four.mapped_output_channels ();
+       BOOST_CHECK_EQUAL (mapped.size(), 1U);
        BOOST_CHECK_EQUAL (mapped.front(), 1);
 
        four.make_zero ();
@@ -56,3 +64,87 @@ BOOST_AUTO_TEST_CASE (audio_mapping_test)
                }
        }
 }
+
+
+static void
+guess_check (boost::filesystem::path filename, int output_channel)
+{
+       AudioMapping m (1, 8);
+       m.make_default (0, filename);
+       for (int i = 0; i < 8; ++i) {
+               BOOST_TEST_INFO (String::compose("%1 channel %2", filename, i));
+               BOOST_CHECK_CLOSE (m.get(0, i), i == output_channel ? 1 : 0, 0.01);
+       }
+}
+
+
+BOOST_AUTO_TEST_CASE (audio_mapping_guess_test)
+{
+       guess_check ("stuff_L_nonsense.wav", 0);
+       guess_check ("stuff_nonsense.wav", 2);
+       guess_check ("fred_R.wav", 1);
+       guess_check ("jim_C_sheila.aiff", 2);
+       guess_check ("things_Lfe_and.wav", 3);
+       guess_check ("weeee_Ls.aiff", 4);
+       guess_check ("try_Rs-it.wav", 5);
+
+       /* PT-style */
+       guess_check ("things_LFE.wav", 3);
+       guess_check ("ptish_Lsr_abc.wav", 6);
+       guess_check ("ptish_Rsr_abc.wav", 7);
+       guess_check ("more_Lss_s.wav", 4);
+       guess_check ("other_Rss.aiff", 5);
+
+       /* Only the filename should be taken into account */
+       guess_check ("-Lfe-/foo_L.wav", 0);
+
+       /* Dolby-style */
+       guess_check ("jake-Lrs-good.wav", 6);
+       guess_check ("elwood-Rrs-good.wav", 7);
+}
+
+
+BOOST_AUTO_TEST_CASE(audio_mapping_take_from_larger)
+{
+       AudioMapping A(4, 9);
+       AudioMapping B(2, 3);
+
+       A.set(0, 0, 4);
+       A.set(1, 0, 8);
+       A.set(0, 1, 3);
+       A.set(1, 1, 6);
+       A.set(0, 2, 1);
+       A.set(1, 2, 9);
+
+       B.take_from(A);
+
+       BOOST_CHECK_CLOSE(B.get(0, 0), 4, 0.01);
+       BOOST_CHECK_CLOSE(B.get(1, 0), 8, 0.01);
+       BOOST_CHECK_CLOSE(B.get(0, 1), 3, 0.01);
+       BOOST_CHECK_CLOSE(B.get(1, 1), 6, 0.01);
+       BOOST_CHECK_CLOSE(B.get(0, 2), 1, 0.01);
+       BOOST_CHECK_CLOSE(B.get(1, 2), 9, 0.01);
+}
+
+
+BOOST_AUTO_TEST_CASE(audio_mapping_take_from_smaller)
+{
+       AudioMapping A(4, 9);
+       AudioMapping B(2, 3);
+
+       B.set(0, 0, 4);
+       B.set(1, 0, 8);
+       B.set(0, 1, 3);
+       B.set(1, 1, 6);
+       B.set(0, 2, 1);
+       B.set(1, 2, 9);
+
+       A.take_from(B);
+
+       BOOST_CHECK_CLOSE(A.get(0, 0), 4, 0.01);
+       BOOST_CHECK_CLOSE(A.get(1, 0), 8, 0.01);
+       BOOST_CHECK_CLOSE(A.get(0, 1), 3, 0.01);
+       BOOST_CHECK_CLOSE(A.get(1, 1), 6, 0.01);
+       BOOST_CHECK_CLOSE(A.get(0, 2), 1, 0.01);
+       BOOST_CHECK_CLOSE(A.get(1, 2), 9, 0.01);
+}