WEBM billboard multiple videos showcase. Well, sort off.....

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DrPiZz
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WEBM billboard multiple videos showcase. Well, sort off.....

Post by DrPiZz »

Hi all,

In case you didn't know, since the previous update of maniaplanet it is again (since using .bik movies was broken) possible to have movies on your billboard. I decided to make a showcase of it and here it is.

https://www.youtube.com/watch?v=8DRCceFS3f0

Since previous maniaplanet update it is again possible to have your own movies on the billboards. The restriction is that they have to be in .webm format.
:D The good news is that they work again.
:roll: The bad news is that, like in some previous maniaplanet update while movies where still in .bik format, that when you combine movies like i did in the above example and start a race, the movies are out of sync. They only run in sync when in the trackeditor you open up the saved track and look at the billboard. As soon as you start to validate the track, they are out of sync.
Please fix this synchronisation Nadeo, in the last versions of maniaplanet were .bik files where still allowed, the synchronisation also worked... :thx:
<edit> i noticed that after a while the video tends to speed up ..., please fix this too Nadeo :thumbsup: </edit>

Proces to create this:
- Original movie: 148MB, 1509 frames, 30fps, 720P, WEBM format
- Converted into 1509 individual jpg's with FreeVideoToJPGConverter
- Divided those 1509 into 37725 smaller jpg's (with a selfmade program)
- Stiched 25x1509 files into 25 uncompressed AVI movies, 3.9 GB total (With another selfmade program)
- Converted AVI files to WEBM using ffmpeg resulting in 25 webm files, 20.8 MB total
- pointed each billboard to a separate webm movie
- made this movie while in the editor with NVIDIA shadowplay

To create your own webm movie for use as avatar or billboard movie, download ffmpeg (freeware) and use the following command:
<complete path to ffmpeg.exe>ffmpeg.exe -i <path to movie to convert><existing moviename> -c:v libvpx -crf 10 -b:v <BITRATE>K <path to resulting moviename><resulting moviename>

example command:
c:\ffmpeg\bin\ffmpeg.exe -i c:\ffmpeg\data\demo.avi -c:v libvpx -crf 10 -b:v 150K c:\webm\demo.webm

*experimenting with the bitrate can learn you about the size of the resulting movie

5o5 Smurf
Last edited by DrPiZz on 26 Oct 2014, 16:58, edited 3 times in total.
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Ozon
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by Ozon »

Nice work! :1010
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HaagseSmurf
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by HaagseSmurf »

Awesome stuff ! :1010
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haenry
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by haenry »

that looks amazing :shock:
I wish it worked during race!
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TMarc
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by TMarc »

Simple guess: the panels were never meant to be used as such a big screen for one single movie ;)
It looks like a TV news video wall with dozens of different live feeds 8-)

It's great, and thanks a lot for the detailed description :thumbsup:
But do you really think people (especially drivers) would notice the wall for longer time, at least while racing?
It certainly eats lot of performance, and I fear the synchronisation would eat even more performance.

If you place the start directly in front of the video wall, are the subvideos already out of sync there? :?
And what happens on respawn, on map reset?
DrPiZz
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by DrPiZz »

TMarc wrote:Simple guess: the panels were never meant to be used as such a big screen for one single movie ;)
Meant for it or not, as you can see in the video they are in sync after saving and opening up the map while in edit mode. As stated in my first post: it worked before in maniaplanet when billboards could be fed bik files, the sync-ed nicely.
TMarc wrote:It looks like a TV news video wall with dozens of different live feeds 8-)
I guess that's why they call such a thing a billboard
TMarc wrote:It's great, and thanks a lot for the detailed description :thumbsup:
yw, at least now there is a little tutorial for creating animated avatars in webm format.
TMarc wrote:But do you really think people (especially drivers) would notice the wall for longer time, at least while racing?
Who cares what i think ;)
TMarc wrote:It certainly eats lot of performance, and I fear the synchronisation would eat even more performance.
No it doesn't
TMarc wrote:If you place the start directly in front of the video wall, are the subvideos already out of sync there? :? And what happens on respawn, on map reset?
out of syncness..
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TMarc
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by TMarc »

can you observe if they at least start plaing at the same time, or if they are played with different speed?
It would also be interesting to see if the number of panels affects this.
e.g. use only 4 panels.
DrPiZz
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by DrPiZz »

4 panels had the same result as my 25 panels.....
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TMarc
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Re: WEBM billboard multiple videos showcase. Well, sort off.

Post by TMarc »

ok, I'll move this to the reports then.
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