[Cin] first PGS subtitle muxed!

[Andrew Randrianasulu]

I used
https://github.com/magiruuvelvet/jimaku-editor/blob/master/pgs-encoder/main.c

plus pngnq-1.1 (you might want to add #include "zlib.h" if one of its few
files failed to compile)

https://master.dl.sourceforge.net/project/pngnq/pngnq/1.1/pngnq-1.1.tar.gz?viasf=1

Next I just followed instructions, turning pgssup's example output into
real xml with one line,  then encoding into output.pgs, then using tsmuxer
+ provided meta file for muxing. (tsmuxer warned me about setting
hdmv-descriptors option in meta file)

It seems to be there!
[mpegts @ 0xe5d04600] max resync size reached, could not find sync byte
    Last message repeated 33 times
Input #0, mpegts, from 'udf.iso':
  Duration: 00:00:02.55, start: 4200.033367, bitrate: 11111 kb/s
  Program 1
  Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p(tv,
bt709, bottom first), 720x480 [SAR 1:1 DAR 3:2], 29.97 fps, 29.97 tbr, 90k
tbn, 59.94 tbc
  Stream #0:1[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] /
0x0090), 1920x1080

subtitle and vid sizes does not match because I selected SD size in CinGG
while making this test render)

Sadly, recent update broke xfwm4 on my tablet and Cin does not want to fly
without window manager....
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