Add vlc_faq

vlc_faq.md

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+# Subtitles stretched
+
+https://forum.videolan.org/viewtopic.php?p=477906#p477906
+=> no feature for the moment
+
+
+# Picture too late
+
+Exemple de log
+
+```
+main warning: picture is too late to be displayed (missing 51 ms)
+main debug: picture might be displayed late (missing 11 ms)
+```
+
+# Mux sans demux ?
+
+```
+cvlc -vvvvvv '--sout' '#std{access=file,dst=test.flac,mux=dummy}' ../01\ -\ Always\ the\ Sun.flac
+```
+
+==> crée quand meme un demux et un packetizer
+
+```
+[00007f26b8003210] dummy mux debug: writing header data
+[00007f26b8c0f270] flac demux packetizer debug: emulated sync word
+[00007f26d0000c40] main input debug: EOF reached
+[00007f26d0000c40] main input debug: waiting decoder fifos to empty
+[00007f26b8c0c6c0] main decoder debug: killing decoder fourcc `flac'
+[00007f26b8c0c6c0] main decoder debug: removing module "flac"
+[00007f26b8000e20] main stream output debug: removing a sout input (sout_input: 0x7f26b8c16f70)
+[00007f26b8003210] dummy mux debug: removing input
+[00007f26b8003210] main mux warning: no more input streams for this mux
+[00007f26b8c17cc0] main demux debug: removing module "flacsys"
+[00007f26b8c0f270] main demux packetizer debug: removing module "flac"
+[00007f26b8c04a80] main stream debug: removing module "record"
+[00007f26b80046a0] main stream debug: removing module "cache_read"
+[00007f26b80042f0] main stream debug: removing module "filesystem"
+[00007f26d0000c40] main input debug: Program doesn't contain anymore ES
+[000055ccb0dd2080] main playlist debug: dead input
+[00007f26b8000e20] main stream output debug: destroying useless sout
+[00007f26b8001220] main stream out debug: destroying chain... (name=std)
+[00007f26b8001220] main stream out debug: removing module "stream_out_standard"
+[00007f26b8003210] main mux debug: removing module "dummy"
+[00007f26b8003210] dummy mux debug: Dummy/Raw muxer closed
+[00007f26b80025e0] main access out debug: removing module "file"
+[00007f26b80025e0] file access out debug: file access output closed
+[00007f26b8001220] main stream out debug: destroying chain done
+[000055ccb0dd2080] main playlist debug: changing item without a request (current 0/1)
+[000055ccb0dd2080] main playlist debug: nothing to play
+```
+
+# Burning subtitles into video file
+
+https://forum.videolan.org/viewtopic.php?p=478133#p478133
+
+# SSH control 
+
+```
+vlc -I qt --extraintf rc
+```
+
+# No subtitles UPnP
+
+maybe not supported
+
+# Recording stream
+
+On a side note: here's a command for listening to and recording an audio stream (where 'stream-url' is the link to the stream and 'user' is your login name):
+nvlc --no-color stream-url --sout "#duplicate{dst=display,dst=std{access=file,mux=mp3,dst=/home/user/Desktop/"$(date +%Y-%m-%d_%H%M%S).mp3"}}"
+
+# Chromecast duplicate 
+
+https://forum.videolan.org/viewtopic.php?f=14&t=145821&p=478302#p478302
+
+# Transcode soverlay
+
+https://forum.videolan.org/viewtopic.php?t=130728
+
+# Chromecast not found
+
+https://forum.videolan.org/viewtopic.php?p=478546#p478546
+
+# Chromecast command line
+
+```
+"C:\Program Files\VideoLAN\VLC\vlc.exe" "C:\Windows\media\Alarm01.wav" --sout="#chromecast{ip=192.168.0.169}" --demux-filter=demux_chromecast
+```
+
+# Windows compilation
+
+Hi,
+
+If you don't want to bother with installing tools in your system, you can use the docker image right from the CI: https://code.videolan.org/videolan/dock ... ree/master
+
+The vlc-debian-win64 has every tools you might want so as to compile for windows. A guide using this method should definitively be written anyway as it is by far the easiest one. It should fix your issue too. You just have to run the ./extra/package/win32/build.sh file or follow what Travis does.
+
+I believe the release version is bigger because there might be debugging symbols included so as to work with the crash reporting tool, but it's a shot in the dark.
+
+# auto-hide control
+
+https://forum.videolan.org/viewtopic.php?f=35&t=145935&p=478818#p478818