fate/matroska: Add a test for propagating flac channel layouts

contained in Vorbis comments in the CodecPrivate of flac tracks.
Moreover, it also tests header removal compression.
Signed-off-by: NAndreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: NJames Almer <jamrial@gmail.com>

tests/fate/matroska.mak

@@ -17,6 +17,12 @@ fate-matroska-xiph-lacing: CMD = framecrc -i $(TARGET_SAMPLES)/mkv/xiph_lacing.m
 FATE_MATROSKA-$(call ALLYES, MATROSKA_DEMUXER ZLIB) += fate-matroska-zlib-decompression
 fate-matroska-zlib-decompression: CMD = framecrc -i $(TARGET_SAMPLES)/mkv/subtitle_zlib.mks -c:s copy
 
+# This tests that the matroska demuxer correctly propagates
+# the channel layout contained in vorbis comments in the CodecPrivate
+# of flac tracks. It also tests header removal compression.
+FATE_MATROSKA-$(call ALLYES, MATROSKA_DEMUXER FLAC_PARSER) += fate-matroska-flac-channel-mapping
+fate-matroska-flac-channel-mapping: CMD = framecrc -i $(TARGET_SAMPLES)/mkv/flac_channel_layouts.mka -map 0 -c:a copy
+
 FATE_MATROSKA_FFPROBE-$(call ALLYES, MATROSKA_DEMUXER) += fate-matroska-spherical-mono
 fate-matroska-spherical-mono: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_entries stream_side_data_list -select_streams v -v 0 $(TARGET_SAMPLES)/mkv/spherical.mkv
 

tests/ref/fate/matroska-flac-channel-mapping

+#extradata 0:       34, 0x7a7909e5
+#extradata 1:       34, 0x7a7909e5
+#tb 0: 651/31250000
+#media_type 0: audio
+#codec_id 0: flac
+#sample_rate 0: 48000
+#channel_layout 0: 3f
+#channel_layout_name 0: 5.1
+#tb 1: 651/31250000
+#media_type 1: audio
+#codec_id 1: flac
+#sample_rate 1: 48000
+#channel_layout 1: 60f
+#channel_layout_name 1: 5.1(side)
+0,          0,          0,     4096,       26, 0x50f80431
+1,          0,          0,     4096,       26, 0x50f80431
+0,       4096,       4096,     4096,       26, 0x50d30416
+1,       4096,       4096,     4096,       26, 0x50d30416
+0,       8192,       8192,     4096,       26, 0x51ee046f
+1,       8192,       8192,     4096,       26, 0x51ee046f
+0,      12288,      12288,     4096,       26, 0x521d0458
+1,      12288,      12288,     4096,       26, 0x521d0458
+0,      16385,      16385,     4096,       26, 0x531c043d
+1,      16385,      16385,     4096,       26, 0x531c043d
+0,      20481,      20481,     4096,       26, 0x53cf0442
+1,      20481,      20481,     4096,       26, 0x53cf0442
+0,      24577,      24577,     4096,       26, 0x536a0473
+1,      24577,      24577,     4096,       26, 0x536a0473
+0,      28673,      28673,     4096,       26, 0x5321046c
+1,      28673,      28673,     4096,       26, 0x5321046c
+0,      32770,      32770,     4096,       26, 0x51b00449
+1,      32770,      32770,     4096,       26, 0x51b00449
+0,      36866,      36866,     4096,       26, 0x518b042e
+1,      36866,      36866,     4096,       26, 0x518b042e
+0,      40962,      40962,     4096,       26, 0x50f60447
+1,      40962,      40962,     4096,       26, 0x50f60447
+0,      45059,      45059,     3072,       28, 0x72540504
+1,      45059,      45059,     3072,       28, 0x72540504