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--- projects:vlc_powered_streaming [2016/09/08 13:14]
over23 [Stream in HTTP:]
+++ projects:vlc_powered_streaming [2017/06/13 19:56] (current)
over23
@@ Line 1: / Line 1: @@
 Documentation: https://wiki.videolan.org/Documentation:Streaming_HowTo/Command_Line_Examples/
+  * http://www.guidingtech.com/ebooks/vlc-media-player/
+  * http://alex.mamchenkov.net/2014/11/27/vlc-mosaic-multiple-rstp-streams/comment-page-1/
+  * to test for streaming purposes instead of VLC : https://obsproject.com/
+  * brmlabi stream: https://brmlab.cz/user/jenda/duga
 ====== HTTP streaming ======
+=== Stream as mosaic ===
+mosaic.vlm.conf
+<code>
+### static video from file
+new channel1 broadcast enabled
+setup channel1 input file:///Users/pavouk/Movies/Walk.On.Water.2004.DVDRip.DivX.avi
+setup channel1 output #mosaic-bridge{id=1,height=360,width=640}
+new channel2 broadcast enabled
+setup channel2 input file:///Users/pavouk/Movies/xxx/Big_boobs_beauty_Pinkule_has_multiple_orgasm-563509.mp4
+#setup channel2 output #duplicate{dst=mosaic-bridge{id=2,height=366}}
+setup channel2 output #mosaic-bridge{id=2,height=360,width=640}
+new channel3 broadcast enabled
+setup channel3 input file:///Users/pavouk/Movies/xxx/Big_boobs_beauty_Pinkule_has_multiple_orgasm-563509.mp4
+setup channel3 output #mosaic-bridge{id=3,height=360,width=640}
+new channel4 broadcast enabled
+setup channel4 input file:///Users/pavouk/Movies/xxx/Big_boobs_beauty_Pinkule_has_multiple_orgasm-563509.mp4
+setup channel4 output #mosaic-bridge{id=4,height=360,width=640}
+### background image
+new mosaic broadcast enabled
+setup mosaic input file:///Users/pavouk/Dropbox/Public/Wallpapers/GITS.png
+setup mosaic option image-duration=-1
+setup mosaic option image-fps=0
+setup mosaic option mosaic-rows=2
+setup mosaic option mosaic-cols=2
+setup mosaic option mosaic-position=1
+setup mosaic output #transcode{sfilter=mosaic,vcodec=mp4v,VB=8500,acodec=none,fps=25,scale=1}:display
+control channel1 play
+control channel2 play
+control channel3 play
+control channel4 play
+control mosaic play
+</code>
+  * to run
+<code>
+vlc --vlm-conf ~/Movies/mosaic.vlm.conf --mosaic-width 1280 --mosaic-order "1,2,3,4" --mosaic-height 720
+</code>
 ===== Stream in HTTP: =====
@@ Line 13: / Line 60: @@
   vlc http://server.example.org:8080
+  * server side, HTTP, from file
+  /Applications/VLC.app/Contents/MacOS/VLC -vvv ~/Movies/Bio\ Nano\ Technology-New\ Frontiers\
+  in\ Molecular\ Engineering\ -\ Andreas\ Mershin\ at\ TEDxAthens-sjV7NNwm1GU.mkv --sout
+  '#standard{access=http,mux=ogg,dst=127.0.0.1:8080}'
 ===== Transcode and stream in HTTP =====
@@ Line 27: / Line 80: @@
+===== Dronovo poznámky =====
+Ne zcela s jasnou souvislosti se streamingem videa z labky, ale pár poznámek ze streamingu videa/fotek z vebkamery pripojene k rbpi(3).
+Pokud stačí típnutí fotky z webkamery...
+<code>
+sudo apt-get install fswebcam
+</code>
+<code>
+fswebcam -r 640x480 --jpeg 85 -D 1 shot.jpg
+</code>
+Video (ale ani rbpi3 to rozumne nestíhá... možná použít jiný codec...)
+<code>
+sudo apt-get install vlc=nox
+</code>
+<code>
+vlc v4l2:// :v4l2-dev=/dev/video0 :v4l2-width=640 :v4l2-height=480 --sout="#transcode{vcodec=h264,vb=1800,scale=1,acodec=none}:rtp{sdp=rtsp://:8554/live.ts}" -I dummy
+</code>
+Na druhé straně ve vlc pustit network stream z adresy <code>rtsp://ip_addr_rbpi:8554/live.ts</code>
+==== STREAM POMOCI FFMPEG ====
+<code>
+ffmpeg -re -ar 44100 -ac 2 -acodec pcm_s16le -f alsa -ac 2 -i hw:1,0 -i /dev/video0
+                        -vcodec h264_omx -vf scale=-1:480 -vb 300k -acodec aac -ab 128k -g 50 -strict experimental -f
+                        flv rtmp://a.rtmp.youtube.com/live2/XXXXXXXXXXXXXXX
+</code>