test/libmpv_test_track_selection: add a program ID matching test

Author: filip-hejsek

test/libmpv_test_track_selection.c

@@ -304,6 +304,28 @@ static void test_track_selection(char *file, char *path)
         set_property_string("sid", "3");
         reload_file(path);
         check_string("track-list/5/selected", "yes");
+    } else if (strcmp(file, "multiprogram.ts") == 0) {
+        set_property_string("subs-match-os-language", "no");
+        set_property_string("vid", "2");
+
+        // no subs are selected by default
+        reload_file(path);
+        check_string("track-list/1/selected", "no");
+        check_string("track-list/3/selected", "no");
+
+        // because subs-fallback=default, the jpn track cannot be chosen
+        // so we choose the eng track despite it having the wrong program ID
+        set_property_string("slang", "eng");
+        reload_file(path);
+        check_string("current-tracks/sub/lang", "eng");
+        check_string("track-list/1/selected", "yes");
+
+        // the jpn track is selected to match video program ID
+        // even though the user requested eng subtitles
+        set_property_string("subs-fallback", "yes");
+        reload_file(path);
+        check_string("current-tracks/sub/lang", "jpn");
+        check_string("track-list/3/selected", "yes");
     }
 }
 

test/samples/img_sub.idx

@@ -0,0 +1,64 @@
+# VobSub index file, v7 (do not modify this line!)
+#
+# To repair desynchronization, you can insert gaps this way:
+# (it usually happens after vob id changes)
+#
+#    delay: [sign]hh:mm:ss:ms
+#
+# Where:
+#    [sign]: +, - (optional)
+#    hh: hours (0 <= hh)
+#    mm/ss: minutes/seconds (0 <= mm/ss <= 59)
+#    ms: milliseconds (0 <= ms <= 999)
+#
+#    Note: You can't position a sub before the previous with a negative value.
+#
+# You can also modify timestamps or delete a few subs you don't like.
+# Just make sure they stay in increasing order.
+
+# Settings
+
+# Original frame size
+size: 1280x720
+
+# Origin, relative to the upper-left corner, can be overloaded by aligment
+org: 0, 0
+
+# Image scaling (hor,ver), origin is at the upper-left corner or at the alignment coord (x, y)
+scale: 100%, 100%
+
+# Alpha blending
+alpha: 100%
+
+# Smoothing for very blocky images (use OLD for no filtering)
+smooth: OFF
+
+# In milliseconds
+fadein/out: 50, 50
+
+# Force subtitle placement relative to (org.x, org.y)
+align: OFF at LEFT TOP
+
+# For correcting non-progressive desync. (in milliseconds or hh:mm:ss:ms)
+# Note: Not effective in DirectVobSub, use 'delay: ... ' instead.
+time offset: 0
+
+# ON: displays only forced subtitles, OFF: shows everything
+forced subs: OFF
+
+# The original palette of the DVD
+palette: 000000, ffffff, 000000, 000000, 828282, 828282, 828282, ffffff, 828282, bababa, 828282, 828282, 828282, 828282, 828282, 828282
+
+# Custom colors (transp idxs and the four colors)
+custom colors: OFF, tridx: 0000, colors: 000000, 000000, 000000, 000000
+
+# Language index in use
+langidx: 0
+
+# English
+id: en, index: 0
+# Decomment next line to activate alternative name in DirectVobSub / Windows Media Player 6.x
+# alt: English
+# Vob/Cell ID: 1, 1 (PTS: 0)
+timestamp: 00:00:00:000, filepos: 000000000
+timestamp: 00:00:01:000, filepos: 000000800

test/samples/img_sub.sub

@@ -12,6 +12,7 @@ audio = custom_target('audio.flac',
 )
 
 sub = join_paths(source_root, 'test', 'samples', 'sub.srt')
+img_sub = join_paths(source_root, 'test', 'samples', 'img_sub.idx')
 
 common_args = ['-v', 'error', '-y', '-i', video, '-i', audio,
                '-f', 'srt', '-i', sub, '-c', 'copy',
@@ -72,6 +73,11 @@ samples = {
          'language=eng', '-metadata:s:s:2', 'language=eng', '-metadata:s:s:3', 'language=eng',
          '-disposition:s:0', 'default', '-disposition:s:1', 'forced', '-disposition:s:3', 'default',
          '@OUTPUT@'],
+    'multiprogram.ts':
+        [ffmpeg, '-v', 'error', '-y', '-i', video, '-f', 'vobsub', '-i', img_sub,
+         '-c:v', 'copy', '-c:s', 'dvbsub', '-map', '0:0', '-map', '1:0', '-map', '0:0', '-map', '1:0',
+         '-metadata:s:s:0', 'language=eng', '-metadata:s:s:1', 'language=jpn',
+         '-program', 'program_num=1:st=0:st=1', '-program', 'program_num=2:st=2:st=3', '@OUTPUT@'],
 }
 
 foreach name, cmd: samples