+ auto mapped = four.mapped_output_channels ();
+ BOOST_CHECK_EQUAL (mapped.size(), 1U);
+ BOOST_CHECK_EQUAL (mapped.front(), 1);
+
+ four.make_zero ();
+
+ for (int i = 0; i < 4; ++i) {
+ for (int j = 0; j < MAX_DCP_AUDIO_CHANNELS; ++j) {
+ BOOST_CHECK_EQUAL (four.get (i, j), 0);
+ }
+ }
+}
+
+
+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);