INDEX  F.A.Q.  SEARCH  LATEST POSTS     Rules  Register  Profile  Private messages  Login


Search all forums or this forum: Advanced search
Youtube Upload, increase quality/control (HQ hack obsolete)
Forum Index -> How to's -> User guides Printer-friendly version
Goto page Previous  1, 2, 3 ... 14, 15, 16 ... 56, 57, 58  Next
Reply to topic
Author Message
hypnoticpimp
Member


Joined: 15 Jan 2004
Location: United States
Post Posted: Feb 18, 2008 12:41 Posts Comp View users profile Send private message Reply with quote
any1 know another service, where they cant reencode flv files?

zoobie
HDV IT Coder


Joined: 27 Feb 2005
Location: Colorado Rocky Mountains
Post Posted: Feb 18, 2008 12:43 Posts Comp View users profile Send private message Reply with quote
you could just get a regular host then upload anything you wish for a few bucks a month...
_________________
Sony HC5 HDV, Konica FS-1 SLR, Canon A1 Hi8
Shoot first and ask questions later toma.gif

gus999
Member


Joined: 18 Feb 2008
Location: United Kingdom
Post Posted: Feb 18, 2008 17:10 Posts Comp View users profile Send private message Reply with quote
Ok, i'm in the uk, and am experiencing the same "upgrading" of videos rendered at 640x480 as wmv files. I don't know whats going on at YT but i wish they'd stop being so darn secretive about it!
So, to all those of you questioning certain posters sanity, IT'S TRUE!!!
I can't provide examples as theyre all test vids set to private (nothing dodgey, just crap!) but the quality is good, (considering the source, not HD) and when you try to resize them smaller in the viewing window they WONT! smile.gif
I use Sony Vegas Pro8, record in cockpit heli videos on a sandisc v5 with an sd card in it (640x480 25fps, pal bullet cam).

bayme
hero


Joined: 10 Nov 2007
Location: EU
Post Posted: Feb 18, 2008 17:53 Posts Comp View users profile Send private message Reply with quote
gus999 wrote:
Ok, i'm in the uk, and am experiencing the same "upgrading" of videos rendered at 640x480 as wmv files. I don't know whats going on at YT but i wish they'd stop being so darn secretive about it!
So, to all those of you questioning certain posters sanity, IT'S TRUE!!!
Yes, we all know by now: http://forum.videohelp.com/topic346256.html

Here's what I think is going on:
They are so secretive about it, because the decision involves quite a daring move for Google/YouTube, and they're not sure if they can even handle it yet, traffic-wise, and with regards to copyright-territories. BayTSP (Viacom's agent claiming infringements at YT) is probably f*cking it all up for YT.

Also, if they now allow the videos to use up to 1 Megabit/s bandwidth, then why not also raise the 350 kbit/s limit we had to deal with in this thread? Should they allow the users to have control over what quality users would like their content to be offered in, or should they avoid lag and make connection-speed the determining factor for the version/quality they offer? They are probably discussing all this as we speak.

reez
Member


Joined: 01 Dec 2007
Location: United States
Post Posted: Feb 18, 2008 18:03 Posts Comp View users profile Send private message Reply with quote
they're probably reading this friggin thread trying to figure out wat da hell to do

bayme
hero


Joined: 10 Nov 2007
Location: EU
Post Posted: Feb 20, 2008 15:23 Posts Comp View users profile Send private message Reply with quote
,.

Last edited by bayme on Feb 21, 2008 15:21, edited 1 time in total
diddyman4real
Member


Joined: 10 Feb 2008
Location: United States
Post Posted: Feb 21, 2008 06:35 Posts Comp View users profile Send private message Reply with quote
45tripp wrote:

2. you can still cheat duration, if you're willing to pad the stream with still images.
[/quote]



please explain what you mean by pad the stream. i want to cheat the duration of a video, tell me how please. biggrin.gif

wwechamp
Member


Joined: 11 Feb 2008
Location: United States
Post Posted: Feb 21, 2008 14:16 Posts Comp View users profile Send private message Reply with quote
If you don't know how to pad a file then all is lost for you lol. confused.gif
But seriously it would be easier for you if there was an example somewhere.

benrtc
Member


Joined: 24 Jan 2008
Location: United States
Post Posted: Feb 23, 2008 05:59 Posts Comp View users profile Send private message Reply with quote
Nevermind. The video below WAS in 480x360 but is now 320x240. Perhaps YT is experimenting.

http://www.youtube.com/watch?v=yLhzqDjCs8w

45tripp
Dolphin Blue


Joined: 21 Dec 2004
Location: Triptonia
Post Posted: Feb 23, 2008 09:52 Posts Comp View users profile Send private message Reply with quote
benrtc wrote:
Perhaps YT is experimenting.


they are,
add &fmt=6 to the end of the url
http://forum.videohelp.com/topic346256.html


as for padding,
it's simply adding still images to pad the stream to the desired length.
many ways to do it,
any editor will do.

somenone actually had an example up,
but took it down...
oh well.

i'll post an example using avisynth
(you can't just copy paste this stuff)

so lets say you start with a progressive ntsc dvd clip at 4/3,
you've got a duration of 120 seconds.
first decide by how much you intend on extending the length of the clip.
50%, 100%, 200% or up to the 11 min max?

I'll go for 50%
so we want an extra 60 seconds of blank footage.
at a framerate of 23.976, thats ~ 24x60 = 1440 frames.
keep in mind the blank clip has to match the properties of your clip,
and you can add some text to your blank frame to signify the end.
so as an example in avisynth:

Code:
LoadPlugin("C:\Program Files\AviSynth 2.5\dgdecode.dll")
a = mpeg2Source("VideoFile.d2v").lanczos4resize(448,336)
b = wavsource("audio.wav")
c= BlankClip(length=1440, pixel_type="yv12", width=448, height=336, fps=24000, fps_denominator = 1001, audio_rate=48000, stereo=true).subtitle("fin", align=5, size=36)
d = audiodub(a,b)
e=d+c
return(e)


and then you encode your avs,
so that your total bitrate stays below 350k
(as an example):

Code:
mencoder videoblank.avs -o mencblank.flv -af resample=22050:0:0 -of lavf -ovc lavc -lavcopts vcodec=flv:vpass=1:vbitrate=301:trell:v4mv:mv0:mbd=2:cbp:aic:cmp=3:subcmp=3 -oac mp3lame -lameopts abr:br=32:mode=3

mencoder videoblank.avs -o mencblank.flv -af resample=22050:0:0 -of lavf -ovc lavc -lavcopts vcodec=flv:vpass=3:vbitrate=301:trell:v4mv:mv0:mbd=2:cbp:aic:cmp=3:subcmp=3 -oac mp3lame -lameopts abr:br=32:mode=3


gl
tripp

frifox
Member


Joined: 29 Oct 2007
Location: United States
Post Posted: Feb 23, 2008 12:20 Posts View users profile Send private message Reply with quote
45tripp wrote:

as for padding,
it's simply adding still images to pad the stream to the desired length.
many ways to do it,
any editor will do.

somenone actually had an example up,
but took it down...
oh well.

i added black frames with white text in sony vegas, does the same job...

example taken down? well, if anybody needs another example, here is one:
--[ Duration: 2:05
--[ Video Size - 640x480
--[ Video Bitrate - 1200Kbps
--[ Video Framerate - 25fps
--[ Audio Bitrate - 128Kbps
--[ Audio Codec - VBR MP3 (LAME)
--[ http://www.youtube.com/watch?v=bwkrpCqvcR0


btw, can we add those black frames using only ffmpeg? that will reduce the whole video uploading process by removing sony vegas out of the equation...

45tripp
Dolphin Blue


Joined: 21 Dec 2004
Location: Triptonia
Post Posted: Feb 23, 2008 13:02 Posts Comp View users profile Send private message Reply with quote
frifox wrote:

i added black frames with white text in sony vegas, does the same job...


45tripp wrote:

many ways to do it,
any editor will do.


frifox wrote:

example taken down?


an example of methodology,
not of uploaded content.

frifox
Member


Joined: 29 Oct 2007
Location: United States
Post Posted: Feb 23, 2008 13:05 Posts View users profile Send private message Reply with quote
oh, then pardon me for misunderstanding uglylol.gif

stsin
Member


Joined: 10 Feb 2008
Location: United States
Post Posted: Feb 24, 2008 12:45 Posts Comp View users profile Send private message Reply with quote
YT's HQ conversion is too sporadic to rely on for now. None of my huge test videos have been converted. Even if they do, it will be Mono and quality still won't be as good as from us using similar bitrate. That is for those who can see the HQ version. Plus we lack control, other than attempting to filter it so YT may compress it better. If look at YT's 750+ Kbps conversions, I still see artifacts and such. So I'll look back on YT's HQ version when they get it finalized, and allow users to set an option to force video to HQ when exists, because their 320x240 version looks like total poop.

Been trying to convert videos under 350Kbps with no padding. Now even playing with avisynth (and yes, it is awesome). Correct time and all.
http://www.youtube.com/watch?v=A47MeRCW1Qs
I have slower paced vids which look even better and are quite acceptable to stay under 350Kbps with no padding.

But with some videos I sure missed the HQ version from a month ago, so I too started to pad the ends, even though it may be annoying to some.
http://www.youtube.com/watch?v=W3KxpVo7PAE

When padding, I add 75% of the original in extra frames with avisynth, so the streaming won't stutter for most people. Going all the way to 10:59 for short videos is way too much, not quite as enjoyable for that extra quality.

I still use ffmpeg with Avanti as the GUI. Now feeding it with avisynth scripts. The type of filters to use is something I'm still figuring out. Any suggestions for favorite filters to help compressability are welcomed. To get even more bitrate for the video, I started to use VBR audio. Avanti GUI doesn't have a VBR option for Lame, so I just demux and use lame.exe. Sometimes the -aq option is still huge and force -abr which gives acceptable quality...depends on video. Then mux it to the final with Avanti.

45tripp
Dolphin Blue


Joined: 21 Dec 2004
Location: Triptonia
Post Posted: Feb 25, 2008 15:59 Posts Comp View users profile Send private message Reply with quote
stsin wrote:
Now feeding it with avisynth scripts. The type of filters to use is something I'm still figuring out. Any suggestions for favorite filters to help compressability are welcomed.


there are some filtering suggestions in the general youtube discussion thread,
linked to in my first post of this guide.
i think most of it was vdub filtering, but still you could frameserve from vdub to avanti.
Also there's an avisynth example script somewhere in this thread from me too.
basically strip noise/detail.

stsin wrote:

Avanti GUI doesn't have a VBR option for Lame


because ffmpeg has no option for it.


gl

bayme
hero


Joined: 10 Nov 2007
Location: EU
Post Posted: Feb 25, 2008 16:28 Posts Comp View users profile Send private message Reply with quote
45tripp wrote:
Code:
mv0:mbd=2:cbp:aic:cmp=3:subcmp=3

Hey, just some hints from users in the mencoder list I've seen on those filters/commands:
http://thread.gmane.org/gmane.comp.video.mencoder.user/7898/focus=7902
I have removed mv0 and the cmp from my mencoder batch-files, they don't do much for quality, except when you encode cartoons.

The filters I currently have left in, and know are compatible with the YouTube player, are:
mbd=2:trell:v4mv:aic:cbp:last_pred=3:predia=4:dia=4:preme=2:vratetol=900

Maybe useful to some..

acid_burn
Member


Joined: 28 Jan 2007
Location: USA
Post Posted: Feb 29, 2008 23:29 Posts Comp View users profile Send private message Reply with quote
Hey guys! I found some dude who manage to get his video with the right dimensions and duration.
http://ca.youtube.com/watch?v=6TL4SllcWD0

acid_burn
Member


Joined: 28 Jan 2007
Location: USA
Post Posted: Feb 29, 2008 23:33 Posts Comp View users profile Send private message Reply with quote
oops looks like the video is before feb4th. Try this one and check the date.
http://ca.youtube.com/watch?v=JbbPtZbI9ZI
no idea how he did it, anyone care to explain?

dtfinch
Member


Joined: 07 Feb 2008
Location: United States
Post Posted: Mar 01, 2008 00:25 Posts Comp View users profile Send private message Reply with quote
45tripp wrote:
stsin wrote:
Avanti GUI doesn't have a VBR option for Lame

because ffmpeg has no option for it.

They just never got around to documenting it well. Use -aq instead of -ab and give it the VBR level (1-9 for mp3). The range changes from one audio format to another.


acid_burn: I think they've started serving you 480x360 videos by default.

MisterH
Member


Joined: 01 Mar 2008
Location: Australia
Post Posted: Mar 01, 2008 17:26 Posts Comp View users profile Send private message Reply with quote
Now that stage6 has gone south, we might see more HD experimenting from youtube.
Either that or they'd take them as an example of why hosting HD content isn't such a great idea.

45tripp
Dolphin Blue


Joined: 21 Dec 2004
Location: Triptonia
Post Posted: Mar 01, 2008 19:57 Posts Comp View users profile Send private message Reply with quote
dtfinch wrote:
They just never got around to documenting it well. Use -aq instead of -ab and give it the VBR level (1-9 for mp3). The range changes from one audio format to another.


yes...
ffmpeg documentation is horrendous!

@acid_burn, MisterH

is you wish to follow youtube experimentations, developments,
they're keeping track here:
http://forum.videohelp.com/topic346256.html

StreamHunter
Member


Joined: 12 Jun 2007
Location: United States
Post Posted: Mar 03, 2008 20:56 Posts Comp View users profile Send private message Reply with quote
benrtc wrote:
Nevermind. The video below WAS in 480x360 but is now 320x240. Perhaps YT is experimenting.

http://www.youtube.com/watch?v=yLhzqDjCs8w


Try to add &fmt=18 at the end of your link...this is YT's HD experiment...

hypnoticpimp
Member


Joined: 15 Jan 2004
Location: United States
Post Posted: Mar 09, 2008 13:15 Posts Comp View users profile Send private message Reply with quote
Can someone please tell me how i convert this to flash hi quality. So i can upload on a server. I tried mencoder but i got alot of skipping frames, When converting this .mov file

Heres the stats

File type - Quicktime (.MOV)

Video -

mp4v - ISO MPEG- 4

status - codec status undetermined
Frames 23.976

Display - 720 x 480


Audio

Codec - mp4a Mpeg-4 AAC LC
Info - 48000Hz 128 kb/s tot Stereo (2/0)

Status Undetermined

ricardouk
Member


Joined: 15 Mar 2005
Location: PORTUGAL
Post Posted: Mar 17, 2008 08:12 Posts Comp View users profile Send private message Reply with quote
bayme wrote:
...or should they avoid lag and make connection-speed the determining factor for the version/quality they offer?...


That is the only way to go... what is the point of having high quality videos if most people will experience lag when playing them, i would stop using youtube

raising the limit is not the answer in my opinion, providing the link to the High quality version and let the user decide like they are doing now is the right decision.
_________________
I love it when a plan comes together!
Ricardo Santos

olibi
Member


Joined: 18 Mar 2008
Location: Norway
Post Posted: Mar 18, 2008 10:16 Posts Comp View users profile Send private message Reply with quote
Hello. Changing the duration doesn't affect the bitrate... I still can't upload without it being re encoded... Any help on how to fix?

bayme
hero


Joined: 10 Nov 2007
Location: EU
Post