[libav-bugs] [Bug 833] New: Subtitle S_DVBSUB support

[bugzilla at aruru.libav.org]

https://bugzilla.libav.org/show_bug.cgi?id=833

            Bug ID: 833
           Summary: Subtitle S_DVBSUB support
           Product: Libav
           Version: 9
          Hardware: X86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: ---
         Component: libavformat
          Assignee: bugzilla at libav.org
          Reporter: bugzillavlib at aubabu.de

It seems that currently the subtitle codec S_DVBSUB is not supported. It is
used by TVHeadend for recordings and if this
thread(https://tvheadend.org/boards/5/topics/848) is correct, it would be a
minor change (I'm no expert and could be wrong)

I uploaded a sample here:
https://www.dropbox.com/s/umvlg0qyd3sbh8k/sampleAvconv.mkv?dl=0

The suggested change was something like this:

diff --git a/lib/ffmpeg/libavformat/matroska.c
b/lib/ffmpeg/libavformat/matroska
index c7e9663..dd22ccd 100644
--- a/lib/ffmpeg/libavformat/matroska.c
+++ b/lib/ffmpeg/libavformat/matroska.c
@@ -59,6 +59,7 @@ const CodecTags ff_mkv_codec_tags[]={
     {"S_ASS"            , CODEC_ID_SSA},
     {"S_SSA"            , CODEC_ID_SSA},
     {"S_VOBSUB"         , CODEC_ID_DVD_SUBTITLE},
+    {"S_DVBSUB"         , CODEC_ID_DVB_SUBTITLE},
     {"S_HDMV/PGS"       , CODEC_ID_HDMV_PGS_SUBTITLE},

     {"V_DIRAC"          , CODEC_ID_DIRAC},

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