The Pirate CInema - Online version [AND festival 2014]
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METHOD - TODO:
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________________________________________________________________________________________________________TECHNICAL NEEDS
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- Server host ?
*- PirateByran (magnuse@tii.se)
*- La Quadrature du net (JB Bayle: bruceleeperry@startmail.com)
*- Kopimi (
*- CCC (
*
- Video streaming host ?
*- Creacast ( gilles.misslin@creacast.com via Antoine Schmitt / Ososphère )
- Dedicated Machine ?
- Encoding / Transcoding / Titles Machine ?
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RETROPLANNING
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JULY:
- streaming test with existing recordings
- test MLT
AUGUST:
$$ -> 1st 1/3 wire-transfer to Brendan
NICO - check for partner on video streaming
develop new glitch script
define the server host
define the video streaming host
get osd working with MLT
SEPTEMBER:
web interface design and optimisations
tests in real situation
OCTOBER:
$$ -> 2d 1/3 wire-transfer to Brendan
last web interface design and optimisations
optimize for playback (larger combined files? transcoding? pre-compiled clips?)
last tests
NOVEMBER:
early nov - public launch
DECEMBER:
$$ -> 3d 1/3 wire-transfer to Brendan
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TECH TIPS
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HTML5 VIDEO STREAMING
http://phoboslab.org/log/2013/09/html5-live-video-streaming-via-websockets
http://en.wikipedia.org/wiki/HTML5_video
http://www.willus.com/author/streaming2.shtml
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Last conversation on Skype :
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2- top 100 film: result is streamed a a video + OSD
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3- an app: like deluge, that play your own mp4 or mp3 downloads as a stream
3- can also be a dvd image with ubuntu and all the shit necessary
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ISSUES ON THE ACTUAL VERSION:
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- I noticed that 1 torrent mng kinda stay limitated at 2 files at once - what if we have multiple instances
- I also noticed that many video playback (even small) is slow
- but the same compiled in a single file - work as a charm (even a 6Go file)
-> I'm wondering if multiple instances of video player - with extrem big files wouldnt be a good option
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Since they are all re-muxed and encoded in the same codec.
Yes - We have to develop a super reliable reincoding script - that can digest most of the formats
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If necessary have an harware dvi device that can do it
there is even vesion of it made for streaming :)
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I would start at the output. get a fake working with live streaming and a pre-recorded video. sort out the infrastructure.
then step back to vplayer and get that streaming with 1 file.
then re-write vplayer to do in-line osd.
then make it with a switcher for 2 or 3 videofiles.
then hack the caching / glitching updater scripts.
and if we wanted to glitch on the fly in gstreamer - what would it need ?
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you could ask the gstreamer core devs if they have time. some of them do commercial consulting for this kind of stuff.
but they will insist on using gstreamer1.0 and we are still using gst0.10
in theory the upgrade should not be too hard but it may break some of our code.
you could also ask Jaromil but he hates gstreamer.
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THE METHOD I SUGGEST/
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ok so at some point we should make a kind of table
where we list each step of the video-version hypothesis
and we detail what it would require in each step
and the issues we are facing ... if their is for each step
if the issues are isolates - its great we can try to optimize without stress
if some issues are overlapping/related - we have to discuss more of the different option possibles for the step in question -
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does it sound like a proper way to start a todo ?
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the other thing we might try is MLT:
http://www.mltframework.org/
we could have a directory where we put bits of files we just received (or proper files if needed)
then we run the MELT command *.mp4 on the directory ..
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well then if we just have a better glitch script then that uses MLT then we can reduce it to one pass.
Test video: https://www.dropbox.com/s/watg89d7b1qg5n3/Pirate_cinema_oct13_CENTER.mov
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LAST GLITCH SCRIPT (SEATTLE VERSION)
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#!/bin/bash
directory="$1"
ls "$directory" | while read name_origine
do
echo $name_origine
#hash=$("$name_origine" | md5sum | cut -b-32)
#echo "REPONSE" $hash
TMPFILE=`mktemp /tmp/XXXXXX.avi`
TMPFILEB=`mktemp /tmp/XXXXXXX.avi`
rm $TMPFILE
rm $TMPFILEB
avconv -i "$1$name_origine" \
-c:v mpeg4 -q 3 -map_metadata -1 -r 25 \
-c:a libvo_aacenc -b:a 320k -ac 2 -s 1280x720 -t 1600 -aspect 16:9 $TMPFILE
ruby datamosh.rb $TMPFILE $TMPFILEB
avconv -i $TMPFILEB \
-c:v mpeg4 -b:v 2000k -qmin 3 -qmax 31 -crf 8 -r 25 -aspect 16:9 \
-c:a libvo_aacenc \
-b:a 128k -ar 48000 -ac 2 -s 1280x720 "$name_origine ok.mp4"
rm $TMPFILE
rm $TMPFILEB
done