[FFmpeg-trac] #2385(undetermined:new): ffmpeg does not mark xsub language properly
FFmpeg
trac at avcodec.org
Wed Mar 20 13:49:48 CET 2013
#2385: ffmpeg does not mark xsub language properly
-------------------------------------+-------------------------------------
Reporter: someuser | Owner:
Type: enhancement | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: xsub | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by Cigaes):
The difference of treatment between the two cases seems to boil down to
this:
{{{
$ diff -u <(ffprobe -loglevel 0 -show_streams test-en.idx) <(ffprobe
-loglevel 0 -show_streams test-enxx.idx)
--- /proc/self/fd/11 2013-03-20 13:45:42.411422486 +0100
+++ /proc/self/fd/13 2013-03-20 13:45:42.411422486 +0100
@@ -31,4 +31,5 @@
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
TAG:language=en
+TAG:title=Subtitle - en-xx;02
[/STREAM]
}}}
If I understand correctly the issue, it seems that the language is only
recognized when the "title" metadata tag is present.
And indeed, the "title" metadata tag arrives to the AVI file, while the
"language" metadata tag is completely ignored.
The core problem looks like it is: the AVI muxer is ignoring the
"language" metadata tag.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2385#comment:11>
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