Difference between revisions of "VDD15"

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__NOTOC__
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{{VDD}}
−
= What is VideoLAN Dev Days 2015? =
+
= Welcome to VideoLAN Dev Days 2015 =
  
 
'''The Open Multimedia Conference that frees the cone in you!'''
 
'''The Open Multimedia Conference that frees the cone in you!'''
  
−
This is a technical un-conference, please bring laptops, cords, RJ45 cables and a '''good mood''' with you.
+
This is a technical un-conference; please bring laptops, power cords, power extensions, RJ45 cables and a '''good mood''' with you.
  
 
= Schedule =
 
= Schedule =
 +
Download a printable copy [http://images.videolan.org/images/events/VDD15.pdf here].
 +
 +
All the talks were recorded and are available under a CC license on [https://goo.gl/Fg1vci Youtube] now.
 +
 +
== Thursday, September 17th 2015 ==
 +
 +
Nothing is prepared for that day, but for people early at the hotel, we will get drinks at the hotel, at around 21:00.
 +
 +
Find Felix :D
  
 
== Friday, September 18th 2015 ==
 
== Friday, September 18th 2015 ==
  
−
=== Social event ===
+
=== Community day ===
−
If you subscribed for the social event, you should have received instructions by e-mail.
+
If you subscribed for the community day, you should have received instructions by e-mail.
  
−
Meeting point is '''AT''' EuroDisney, at '''9:45'''. Park opens at '''10:00'''.
+
Meeting point is '''at''' EuroDisney at '''9:45'''. The theme park opens at '''10:00''' and closes at '''21:00'''.
 +
 
 +
We will leave from the park at '''18:30'''
  
 
==== How to get there ====
 
==== How to get there ====
−
The best is to:
+
The best option is to take the Metro/RER. This takes approximately 1 hour and 5 minutes:
−
* take the ''Line 13'' from the Hotel to '''St Lazare''',
+
* take metro ''Line 13'' from the hotel to '''St Lazare''', then
−
* take the ''Line 3'' from '''St Lazare''' to '''Havre-Caumartin''', (1 stop only)
+
* take metro ''Line 3'' from '''St Lazare''' to '''Havre-Caumartin''' (1 stop only),
−
* take the ''RER A'' to '''Marne La Vallée-Chessy'''
+
* take the express train ''RER A'' to '''Marne La Vallée-Chessy'''
 +
** check on the platform display before boarding: not all trains go to Marne La Vallée-Chessy!
  
−
'''NB:''' This takes roughly 1 hour 5. You should buy your ticket (only one) before entering the Subway.
+
'''N.B.:''' You should buy a ticket to Marne La Vallée at the metro station. The ticket is valid for the entire journey.
  
−
=== Evening ===
+
=== Evening drinks ===
−
T.B.A.
+
We will meet at a bar, in front of the hotel, for drinks (soft and beers), at around '''20:30'''.
 +
 
 +
'''L'Industrie'''
 +
 
 +
125 boulevard Bessières
 +
75017 Paris
  
 
== Saturday, September 19th 2015 ==
 
== Saturday, September 19th 2015 ==
−
T.B.A.
+
 
 +
=== Morning ===
 +
 
 +
{| class="wikitable" style="width: 100%;"
 +
|-
 +
!style="width: 10%;"| Time || Description
 +
|-
 +
|  '''8:45 - 9:45''' || Registration and Breakfast
 +
|-
 +
| '''9:45 - 10:00''' || '''Opening remarks''' by Jean-Baptiste Kempf ''(VideoLAN)''
 +
|-
 +
| '''10:00 - 10:45''' || '''Daala''' by Timothy Terriberry ''(Mozilla)''
 +
|-
 +
| '''10:45 - 11:10''' || '''A new AAC free and open-source encoder'''  by Rostislav Pehlivanov ''(FFmpeg)''
 +
|-
 +
| '''11:10 - 11:20''' || ''Coffee break''
 +
|-
 +
| '''11:20 - 11:55''' || '''New video compression techniques under consideration for VP10''' by Alex Converse ''(Google)''
 +
|-
 +
| '''11:55 - 12:25''' || '''An update to x265''' by Deepthi Nandakumar ''(MCW)''
 +
|-
 +
| '''12:25 - 12:30''' || '''Spice''' by  Lord Julien Navas ''(Vodkaster)''
 +
|}
 +
 
 +
=== Afternoon ===
 +
 
 +
{| class="wikitable" style="width: 100%;"
 +
|-
 +
!style="width: 10%;"| Time !! Description
 +
|-
 +
| '''14:10 - 14:50''' || '''VLC 3.0''' by  Jean-Baptiste Kempf ''(VideoLAN)''
 +
|-
 +
| '''14:50 - 15:30''' || '''The Thor Codec''' by Thomas Davies ''(Cisco)''
 +
|-
 +
| '''15:30 - 15:40''' || ''Coffee break''
 +
|-
 +
| '''15:40 - 16:00''' || '''How to optimize press coverage for FLOSS projects''' by Sebastian Grüner ''(golem.de)''
 +
|-
 +
| '''16:00 - 16:20''' || '''VP9 encoding/decoding performance vs. H.264/HEVC''' by Ronald Bultje ''(FFmpeg)''
 +
|-
 +
| '''16:20 - 18:00''' || ''Break-out sessions''
 +
|}
 +
 
 +
'''GROUP PHOTO''' at '''18:00''', before the VideoLAN meeting!
 +
 
 +
==== Break-out sessions, Saturday ====
 +
{| class="wikitable" style="width: 100%; text-align: center"
 +
|-
 +
! style="width: 10%;"| Time
 +
! style="width: 18%;"| Auditorium
 +
! style="width: 18%;"| Room 1
 +
! style="width: 18%;"| Room 2
 +
! style="width: 18%;"| Room 3
 +
! style="width: 18%;"| Room 4
 +
|-
 +
! 16:30 - 17:30
 +
|
 +
| '''VLC technical discussion'''
 +
| FFmpeg
 +
| Libav
 +
|
 +
|-
 +
! 17:30 - 18:00
 +
|
 +
| VLC Mobile Ports discussion
 +
| FFmpeg
 +
| Generic Hacking
 +
|
 +
|-
 +
! 18:10 - 19:40
 +
|
 +
| '''VideoLAN annual meeting''' Assemblée Générale Ordinaire, Assemblée Générale Extraordinaire && Réunion<br />
 +
This is for '''VideoLAN non-profit''' members.
 +
|
 +
|
 +
|
 +
|}
 +
 
 +
=== Dinner ===
 +
Dinner is at '''20:00''' next to the place, at The Royal Trinité.
 +
 
 +
59 Rue de Châteaudun, 75009 Paris, France
 +
 
 +
[https://goo.gl/maps/30dCb Royal Trinité]
 +
 
 +
You '''must''' choose your food before, by [http://goo.gl/forms/4yZx5l8bZg selecting here].
  
 
== Sunday, September 20th 2015 ==
 
== Sunday, September 20th 2015 ==
−
T.B.A.
+
 
 +
{| class="wikitable" style="width: 100%; text-align: center"
 +
|-
 +
! style="width: 10%;"| Time
 +
! style="width: 15%;"| Auditorium
 +
! style="width: 15%;"| Room 1
 +
! style="width: 15%;"| Room 2
 +
! style="width: 15%;"| Room 3
 +
! style="width: 15%;"| Room 4
 +
! style="width: 15%;"| Room 5
 +
|-
 +
! 9:30 - 10:00
 +
| colspan="5" | ''Breakfast''
 +
|-
 +
! 10:xx - 11:30
 +
|
 +
| Localisation/Weblate
 +
| VLC/iOS VLC/Android meetup
 +
| FFmpeg general meeting
 +
| Libav
 +
| Daala hackathon
 +
|-
 +
! 11:30 - 11:45
 +
| colspan="5" | ''Coffee break''
 +
|-
 +
! 11:45 - 11:45
 +
|
 +
|
 +
|
 +
| FFmpeg general meeting
 +
| x264 meeting
 +
| Daala hackathon
 +
|-
 +
! 12:45 - 14:00
 +
| colspan="5" | ''Lunch break''
 +
|-
 +
! 14:00 - 14:45
 +
|
 +
| FFmpeg / Libav discussion? Possibly with just Ff/av devels and jb to mod
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
! 14:45 - 15:30
 +
|
 +
| FFmpeg / Libav discussion?
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
! 15:30 - 15:45
 +
| '''Closing Remarks'''<br/> by Jean-Baptiste Kempf ''(VideoLAN)''
 +
| —
 +
| —
 +
| —
 +
| —
 +
| —
 +
|-
 +
! 15:45 - 16:45
 +
|
 +
| open source music production
 +
| VideoLAN '''roots''' meeting
 +
|
 +
|
 +
|
 +
|-
 +
! 16:45 - 17:45
 +
|
 +
|
 +
| VideoLAN '''roots''' meeting
 +
|
 +
|
 +
|
 +
|}
 +
 
 +
=== Daala hackathon ===
 +
Open to anyone curious about Daala or video coding in general, we can help you write your first patch or teach you things!
 +
 
 +
To get started you can clone the Daala repository:
 +
 
 +
<code>
 +
git clone https://github.com/xiph/daala.git
 +
</code>
 +
 
 +
* How to build and run Daala: https://wiki.xiph.org/Daala_Quickstart
 +
* Demonstrations and explanations of some of the techniques used in Daala: https://people.xiph.org/~xiphmont/demo/
 +
** Note that some of the older demos do not match what is in Daala anymore.
 +
** For more details see https://wiki.xiph.org/Daala#Documents and https://wiki.xiph.org/Daala#Presentations
 +
* Easy bugs to fix: https://github.com/xiph/daala/labels/easy
 +
 
 +
=== Dinner ===
 +
Around 19:00 at ''Au Metro''.
 +
 
 +
19 Rue de Malte, 75011 Paris
 +
Metro ''Filles du Calvaire'' or ''Oberkampf''
 +
 
 +
This dinner is '''not''' sponsored by VideoLAN.
  
 
= Practical information =
 
= Practical information =
Line 46: Line 246:
 
[https://www.google.fr/maps/place/Criteo/@48.878914,2.3315591,17z/data=!4m6!1m3!3m2!1s0x47e66e04d509ec8f:0xbf35e94464e752f7!2sCriteo!3m1!1s0x47e66e04d509ec8f:0xbf35e94464e752f7 Google Maps]
 
[https://www.google.fr/maps/place/Criteo/@48.878914,2.3315591,17z/data=!4m6!1m3!3m2!1s0x47e66e04d509ec8f:0xbf35e94464e752f7!2sCriteo!3m1!1s0x47e66e04d509ec8f:0xbf35e94464e752f7 Google Maps]
  
−
== Accomodation ==
+
== Accomodation / Hotel ==
 
For sponsored participants, the hotel is:  
 
For sponsored participants, the hotel is:  
  
Line 60: Line 260:
  
 
Most venues will accept EMV credit and debit cards (i.e. Chip & PIN), at least VISA and MasterCard. Swipe-only cards can be more tricky (it has been illegal for banks to issue them for years in France, so only foreign visitors use them). American Express is widely but not universally accepted. Diners/Discovery, UnionPay, JCB, etc. are mostly only accepted in shops catering to tourists.
 
Most venues will accept EMV credit and debit cards (i.e. Chip & PIN), at least VISA and MasterCard. Swipe-only cards can be more tricky (it has been illegal for banks to issue them for years in France, so only foreign visitors use them). American Express is widely but not universally accepted. Diners/Discovery, UnionPay, JCB, etc. are mostly only accepted in shops catering to tourists.
 +
 +
Best change rates are close to the Hotel, Metro Bourse, Vivienne Street.
  
 
== Transportation ==
 
== Transportation ==
Line 69: Line 271:
  
 
=== Paris-CDG / Roissy airport ===
 
=== Paris-CDG / Roissy airport ===
 +
 +
'''Important note:''' there are works on the RER B line at night until Friday, included. The RER B service is interrupted between the airport and the Aulnay-sous-Bois station at 11pm. There is a replacement bus available but this incurs a much higher trip time. More information: http://www.transilien.com/contents/fr/Docs---PDF/Travaux/20150720-B-Roissy-2007au3010bis.pdf
 +
 +
[[Image:Paris_Metro_box.jpg|thumb|175px|Ticket vending machines]]
  
 
* Upon landing, follow the signs for local trains. There is one station for T1/T3 and one for T2 (A-G).
 
* Upon landing, follow the signs for local trains. There is one station for T1/T3 and one for T2 (A-G).
−
* At the station, look for '''blue/green''' ticket vending machines.
+
* At the station, look for '''red/green''' ticket vending machines.
 
** Do not use the yellow/grey machines (at terminal 2), those are for long distance trains only.
 
** Do not use the yellow/grey machines (at terminal 2), those are for long distance trains only.
 
* Buy a ticket for zones 1-5 (to Paris). The cost is 10€ one way. Credit cards are accepted.
 
* Buy a ticket for zones 1-5 (to Paris). The cost is 10€ one way. Credit cards are accepted.
 +
** If you only have cash, you have to queue at the staffed ticketing booth ("''Billeterie''" in French)
 
* Take the regional express(RER) line B (blue). You can use any train toward Paris.
 
* Take the regional express(RER) line B (blue). You can use any train toward Paris.
 
* Alight at ''Gare du Nord''.
 
* Alight at ''Gare du Nord''.
−
* See also ''Gare du Nord'' below.
+
* See below from Gare du Nord.
  
−
* To the sponsored hotel:
+
* 2€ Alternative From/To ''Palais Royal /Louvre'': http://www.easybus.com/fr/paris-cdg (online booking), takes 50min
−
** Transfer to subway(M) line 2 toward ''Porte Dauphine''.
 
−
** Alight at '''Place de Clichy''' (6 stops)
 
−
** Transfer to subway(M) line 13 toward Asnières...
 
−
** Get off at '''Porte de Clichy''' (4 stops)
 
−
 
 
−
* To the conference venue:
 
−
** Transfer to express(RER) line A (red) toward ''Poissy''
 
−
** Alight at ''Auber''.
 
−
** Walk for 15 minutes.
 
−
 
 
−
TODO: walking map
 
  
 
=== Orly (ORY) airport ===
 
=== Orly (ORY) airport ===
−
 
+
* Upon landing, follow the signs for Orlyval.
−
TODO?
+
* At the station, buy the ticket from the vending machines, before boarding.
 +
* Buy a ticket for Paris. The cost is 12€ one way. Credit cards are accepted.
 +
** If you only have cash, you have to queue at the staffed ticketing booth ("''Billeterie''" in French)
 +
* Take the Orlyval to Antony. Then take the regional express(RER) line B (blue) to Paris (Direction Charles de Gaulle Airport).
 +
* Alight at ''Gare du Nord''.
 +
* See below from Gare du Nord.
  
 
=== Beauvais (BVA) airport ===
 
=== Beauvais (BVA) airport ===
Line 99: Line 300:
  
 
=== Gare du Nord (North railway station) ===
 
=== Gare du Nord (North railway station) ===
 +
 +
If you arrive at Gare du Nord or Gare de l'Est, you need to buy a zone 1 / Paris ticket. It is valid on the subway, the tramway, busses and, '''within the Paris city limits''', on the regional express trains (RER).
 +
 +
==== To the conference venue ====
 +
* Transfer to regional express train (RER) line E (magenta) toward ''Haussmann St Lazare''.
 +
* Alight at the final stop, ''Haussman St Lazare''.
 +
 +
Walking route:
 +
[https://www.google.fr/maps/dir/32+Rue+Blanche,+75009+Paris,+France/Haussmann+-+Saint-Lazare,+France/@48.8767778,2.3281097,17z/data=!3m1!4b1!4m14!4m13!1m5!1m1!1s0x47e66e49a8a4ba55:0x95f959c0c70dfded!2m2!1d2.3316096!2d48.8788866!1m5!1m1!1s0x47e66e35df16346b:0x5b4b229d8b94e143!2m2!1d2.329037!2d48.875188!3e2 Google Maps]
 +
 +
==== To the sponsored hotel ====
 +
* Continue from ''Haussman Saint Lazare'' (2 stops) above
 +
* Transfer to subway(M) '''line 13''' toward ''Asnières'' or ''Gennevilliers''.
 +
** Check the metro destination, as there are two branches on the line. DO NOT go toward Saint Denis.
 +
* Get off at '''Porte de Clichy''' (6 stops)
 +
 +
The hotel is just around the corner.
  
 
=== Gare de l'Est (East railway station) ===
 
=== Gare de l'Est (East railway station) ===
 +
Routes are essentially the same as from Gare du Nord. The Magenta express train station is located between Gare du Nord and Gare de l'Est. See above.
  
−
TODO
+
=== Gare de Lyon (South/East railway station) ===
 +
If you arrive at Gare de Lyon, you need to buy a zone 1 / Paris ticket. It is valid on the subway, the tramway, busses and, '''within the Paris city limits''', on the regional express trains (RER).
  
−
=== Gare de Lyon (South/East railway station) ===
+
==== To the conference venue ====
 +
 
 +
* Take subway(M) '''line 14''' toward ''Saint Lazare''
 +
* Alight at the final stop '''Saint Lazare''' (5 stops)
 +
 
 +
Walking route:
 +
[https://www.google.fr/maps/dir/32+Rue+Blanche,+75009+Paris,+France/Haussmann+-+Saint-Lazare,+France/@48.8767778,2.3281097,17z/data=!3m1!4b1!4m14!4m13!1m5!1m1!1s0x47e66e49a8a4ba55:0x95f959c0c70dfded!2m2!1d2.3316096!2d48.8788866!1m5!1m1!1s0x47e66e35df16346b:0x5b4b229d8b94e143!2m2!1d2.329037!2d48.875188!3e2 Google Maps]
 +
 
 +
==== To the sponsored hotel ====
 +
* Continue from ''Haussman Saint Lazare'' (2 stops) above
 +
* Transfer to subway(M) '''line 13''' toward ''Asnières'' or ''Gennevilliers''.
 +
* Get off at '''Porte de Clichy''' (6 stops)
 +
 
 +
The hotel is just around the corner.
  
 
=== Other? ===
 
=== Other? ===
 +
 +
== From the hotel to the conference ==
 +
* Take subway(M) line 13 toward ''Chatillon-Montrouge''
 +
* Get off at ''Liège'' and walk
  
 
Feel free to ask for advice on the mailing list if your station is missing.
 
Feel free to ask for advice on the mailing list if your station is missing.
Line 119: Line 356:
  
 
=== Internet ===
 
=== Internet ===
 +
Hopefully, there will be Wi-Fi.
  
 
== Weather forecast ==
 
== Weather forecast ==
  
−
:Fri Sep 18 Cloudy 70° Low 47°
+
:Fri Sep 18 Occasional rain 20°C Low 12°C
−
:Sat Sep 19 Mostly cloudy and warm 78° Low 55°
+
:Sat Sep 19 Occasional rain 19°C Low 10°C
−
:Sun Sep 20 Sunshine 74° Low 53°
+
:Sun Sep 20 Fog 20°C Low 12°C
−
:Mon Sep 21 Clouds breaking for some sun 71° Low 52°
+
:Mon Sep 21 Mostly cloudy 18°C Low 12°C
  
−
in celcius thats about high 20C-25C and low 10C.
+
In Fahrenheit, this is a high of 64°F-66°F and a low of 50°F.
  
 
[[Category:About VideoLAN]]
 
[[Category:About VideoLAN]]
 +
[[Category:VDD]]

Latest revision as of 10:06, 13 March 2019

VideoLAN Dev Days conferences
VDD12 • VDD13 • VDD14 • VDD15 • VDD16 • VDD17 • VDD18 • VDD19 • VDD23 • VDD24

Welcome to VideoLAN Dev Days 2015

The Open Multimedia Conference that frees the cone in you!

This is a technical un-conference; please bring laptops, power cords, power extensions, RJ45 cables and a good mood with you.

Schedule

Download a printable copy here.

All the talks were recorded and are available under a CC license on Youtube now.

Thursday, September 17th 2015

Nothing is prepared for that day, but for people early at the hotel, we will get drinks at the hotel, at around 21:00.

Find Felix :D

Friday, September 18th 2015

Community day

If you subscribed for the community day, you should have received instructions by e-mail.

Meeting point is at EuroDisney at 9:45. The theme park opens at 10:00 and closes at 21:00.

We will leave from the park at 18:30

How to get there

The best option is to take the Metro/RER. This takes approximately 1 hour and 5 minutes:

  • take metro Line 13 from the hotel to St Lazare, then
  • take metro Line 3 from St Lazare to Havre-Caumartin (1 stop only),
  • take the express train RER A to Marne La Vallée-Chessy
    • check on the platform display before boarding: not all trains go to Marne La Vallée-Chessy!

N.B.: You should buy a ticket to Marne La Vallée at the metro station. The ticket is valid for the entire journey.

Evening drinks

We will meet at a bar, in front of the hotel, for drinks (soft and beers), at around 20:30.

L'Industrie

125 boulevard Bessières 75017 Paris

Saturday, September 19th 2015

Morning

Time Description
8:45 - 9:45 Registration and Breakfast
9:45 - 10:00 Opening remarks by Jean-Baptiste Kempf (VideoLAN)
10:00 - 10:45 Daala by Timothy Terriberry (Mozilla)
10:45 - 11:10 A new AAC free and open-source encoder by Rostislav Pehlivanov (FFmpeg)
11:10 - 11:20 Coffee break
11:20 - 11:55 New video compression techniques under consideration for VP10 by Alex Converse (Google)
11:55 - 12:25 An update to x265 by Deepthi Nandakumar (MCW)
12:25 - 12:30 Spice by Lord Julien Navas (Vodkaster)

Afternoon

Time Description
14:10 - 14:50 VLC 3.0 by Jean-Baptiste Kempf (VideoLAN)
14:50 - 15:30 The Thor Codec by Thomas Davies (Cisco)
15:30 - 15:40 Coffee break
15:40 - 16:00 How to optimize press coverage for FLOSS projects by Sebastian Grüner (golem.de)
16:00 - 16:20 VP9 encoding/decoding performance vs. H.264/HEVC by Ronald Bultje (FFmpeg)
16:20 - 18:00 Break-out sessions

GROUP PHOTO at 18:00, before the VideoLAN meeting!

Break-out sessions, Saturday

Time Auditorium Room 1 Room 2 Room 3 Room 4
16:30 - 17:30 VLC technical discussion FFmpeg Libav
17:30 - 18:00 VLC Mobile Ports discussion FFmpeg Generic Hacking
18:10 - 19:40 VideoLAN annual meeting Assemblée Générale Ordinaire, Assemblée Générale Extraordinaire && Réunion

This is for VideoLAN non-profit members.

Dinner

Dinner is at 20:00 next to the place, at The Royal Trinité.

59 Rue de Châteaudun, 75009 Paris, France

Royal Trinité

You must choose your food before, by selecting here.

Sunday, September 20th 2015

Time Auditorium Room 1 Room 2 Room 3 Room 4 Room 5
9:30 - 10:00 Breakfast
10:xx - 11:30 Localisation/Weblate VLC/iOS VLC/Android meetup FFmpeg general meeting Libav Daala hackathon
11:30 - 11:45 Coffee break
11:45 - 11:45 FFmpeg general meeting x264 meeting Daala hackathon
12:45 - 14:00 Lunch break
14:00 - 14:45 FFmpeg / Libav discussion? Possibly with just Ff/av devels and jb to mod
14:45 - 15:30 FFmpeg / Libav discussion?
15:30 - 15:45 Closing Remarks
by Jean-Baptiste Kempf (VideoLAN) 		— — — — —
15:45 - 16:45 open source music production VideoLAN roots meeting
16:45 - 17:45 VideoLAN roots meeting

Daala hackathon

Open to anyone curious about Daala or video coding in general, we can help you write your first patch or teach you things!

To get started you can clone the Daala repository:

git clone https://github.com/xiph/daala.git

Dinner

Around 19:00 at Au Metro.

19 Rue de Malte, 75011 Paris Metro Filles du Calvaire or Oberkampf

This dinner is not sponsored by VideoLAN.

Practical information

Emergency situation

In case of emergency, call the European emergency number 112.

Location / main venue

The venue is in Paris (France), 9th district, near St Lazare:

Criteo
32 rue Blanche
75009 Paris, France

Google Maps

Accomodation / Hotel

For sponsored participants, the hotel is:

Timhotel Berthier Paris 17
4 Boulevard Berthier
75017 Paris, France

http://www.timhotel-berthier-paris-17.com/
Google Maps

Payment

The local currency is the Euro. Merchants are forbidden from accepting other currencies (except exchange).

Most venues will accept EMV credit and debit cards (i.e. Chip & PIN), at least VISA and MasterCard. Swipe-only cards can be more tricky (it has been illegal for banks to issue them for years in France, so only foreign visitors use them). American Express is widely but not universally accepted. Diners/Discovery, UnionPay, JCB, etc. are mostly only accepted in shops catering to tourists.

Best change rates are close to the Hotel, Metro Bourse, Vivienne Street.

Transportation

NOTE: VideoLAN does not refund taxi expenses nor car rentals.

Paris-CDG / Roissy airport

Important note: there are works on the RER B line at night until Friday, included. The RER B service is interrupted between the airport and the Aulnay-sous-Bois station at 11pm. There is a replacement bus available but this incurs a much higher trip time. More information: http://www.transilien.com/contents/fr/Docs---PDF/Travaux/20150720-B-Roissy-2007au3010bis.pdf

Ticket vending machines
  • Upon landing, follow the signs for local trains. There is one station for T1/T3 and one for T2 (A-G).
  • At the station, look for red/green ticket vending machines.
    • Do not use the yellow/grey machines (at terminal 2), those are for long distance trains only.
  • Buy a ticket for zones 1-5 (to Paris). The cost is 10€ one way. Credit cards are accepted.
    • If you only have cash, you have to queue at the staffed ticketing booth ("Billeterie" in French)
  • Take the regional express(RER) line B (blue). You can use any train toward Paris.
  • Alight at Gare du Nord.
  • See below from Gare du Nord.

Orly (ORY) airport

  • Upon landing, follow the signs for Orlyval.
  • At the station, buy the ticket from the vending machines, before boarding.
  • Buy a ticket for Paris. The cost is 12€ one way. Credit cards are accepted.
    • If you only have cash, you have to queue at the staffed ticketing booth ("Billeterie" in French)
  • Take the Orlyval to Antony. Then take the regional express(RER) line B (blue) to Paris (Direction Charles de Gaulle Airport).
  • Alight at Gare du Nord.
  • See below from Gare du Nord.

Beauvais (BVA) airport

We feel sorry for you. Take the bus.

Gare du Nord (North railway station)

If you arrive at Gare du Nord or Gare de l'Est, you need to buy a zone 1 / Paris ticket. It is valid on the subway, the tramway, busses and, within the Paris city limits, on the regional express trains (RER).

To the conference venue

  • Transfer to regional express train (RER) line E (magenta) toward Haussmann St Lazare.
  • Alight at the final stop, Haussman St Lazare.

Walking route: Google Maps

To the sponsored hotel

  • Continue from Haussman Saint Lazare (2 stops) above
  • Transfer to subway(M) line 13 toward Asnières or Gennevilliers.
    • Check the metro destination, as there are two branches on the line. DO NOT go toward Saint Denis.
  • Get off at Porte de Clichy (6 stops)

The hotel is just around the corner.

Gare de l'Est (East railway station)

Routes are essentially the same as from Gare du Nord. The Magenta express train station is located between Gare du Nord and Gare de l'Est. See above.

Gare de Lyon (South/East railway station)

If you arrive at Gare de Lyon, you need to buy a zone 1 / Paris ticket. It is valid on the subway, the tramway, busses and, within the Paris city limits, on the regional express trains (RER).

To the conference venue

  • Take subway(M) line 14 toward Saint Lazare
  • Alight at the final stop Saint Lazare (5 stops)

Walking route: Google Maps

To the sponsored hotel

  • Continue from Haussman Saint Lazare (2 stops) above
  • Transfer to subway(M) line 13 toward Asnières or Gennevilliers.
  • Get off at Porte de Clichy (6 stops)

The hotel is just around the corner.

Other?

From the hotel to the conference

  • Take subway(M) line 13 toward Chatillon-Montrouge
  • Get off at Liège and walk

Feel free to ask for advice on the mailing list if your station is missing.

Connectivity

Power supply

The AC power sockets are "French" IEC type E. Connectors from "German" IEC type F countries should fit safely, as they are usually bi-standards. There should have a hole for the French-style ground pin.

The electrical system is 220V / 50Hz. If you come from outside Europe, please make sure your devices are compatible beforehand.

Internet

Hopefully, there will be Wi-Fi.

Weather forecast

Fri Sep 18 Occasional rain 20°C Low 12°C
Sat Sep 19 Occasional rain 19°C Low 10°C
Sun Sep 20 Fog 20°C Low 12°C
Mon Sep 21 Mostly cloudy 18°C Low 12°C

In Fahrenheit, this is a high of 64°F-66°F and a low of 50°F.

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