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Xbox 360 now supports x264?


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#1 Unrealistic

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Posted 27 July 2009 - 22:49

So I stumbled across something just now by accident. I used Windows 7 Media Center to share all of my video files on my Homegroup. After that, I setup Media Center to scan these folders and share them across the network. With this setup, I then went and added a Media Center Extender and input the 360's unique number.

I was watching some shows and saw an x264 file and said "**** it, worth a shot." To my amazement, the 360 started streaming it in HD and I watched it. I've tested other x264 files and they are working as well. :)

Now as far as I knew, the xbox 360 only supported h264. If anyone is on Windows 7 RTM, has a 360 and some HD x264 files, could you test and confirm?

These are MKV/x264 files.

Edited by Unrealistic, 27 July 2009 - 22:56.



#2 Audioboxer

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Posted 27 July 2009 - 22:52

x264 is a library for encoding h264. H.264 is the video codec/video format, x264 is a program to encode H.264 video format.

Basically, x264 is not a codec, h264 is the codec that is needed to support HD.

From Wiki itself

x264 is a free software library for encoding video streams into the H.264/MPEG-4 AVC format


The 360 has support for H264, I dunno about AVC, don't think it does that.

#3 ViperAFK

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Posted 27 July 2009 - 22:55

It doesn't support the mkv container though making it goddamn useless to me.

#4 OP Unrealistic

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Posted 27 July 2009 - 22:55

Right, but before today I have never been able to stream x264 files. It would say "unsupported codec".

Viper: I am streaming .MKV files. At least now I am with Windows 7 RTM MCE.

#5 Audioboxer

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Posted 27 July 2009 - 22:57

It doesn't support the mkv container though making it goddamn useless to me.


MKV is just a container, I don't know how many times on this board I've had to tell people it's codec support that matters not container :p Containers can be remuxed.

Right, but before today I have never been able to stream x264 files. It would say "unsupported codec".

Viper: I am streaming .MKV files. At least now I am with Windows 7 RTM MCE.


That's because Windows 7 actually knows how to stream to the 360.

The only limits I know are video bitrate

- H.264 video support: Up to 15 Mbps, Baseline, Main, and High (up to level 4.1) Profiles with 2 channel AAC LC and Main Profiles.
- Added MPEG-4 Part 2 video support: Up to 8 Mbps, Simple Profile with 2 channel AAC LC and Main Profiles.


And the 360 won't do 5.1 sound when streaming H264, at least not AC3 or DTS, only that WMA audio codec in 5.1. It will downmix AC3 5.1 to 2.0.

#6 OP Unrealistic

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Posted 27 July 2009 - 22:59

I will have to test that, because I could have sworn it was in AC3 5.1. Too lazy to test it atm though.

Just thought it was interesting though because before today I've never been able to play these files. I'd like to see if other people can confirm this though, because if it is not working for them, then I know what I installed to allow them to play.

#7 ViperAFK

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Posted 27 July 2009 - 23:00

MKV is just a container, I don't know how many times on this board I've had to tell people it's codec support that matters not container :p Containers can be remuxed.



That's because Windows 7 actually knows how to stream to the 360.

The only limits I know are video bitrate



And the 360 won't do 5.1 sound when streaming H264, at least not AC3 or DTS, only that WMV audio codec in 5.1. It will downmix AC3 5.1 to 2.0.

Did you not notice my post said "mkv CONTAINER" lol I am very (obviously) aware of the difference.

And even when I have files that are .mp4 or use software to put it into and mkv4 container it doesn't play at all on my xbox unless I stream it which is odd (for example playing off a usb doesn't work for h.264 at all) I have had some luck using xenonmkv to make it into a .mp4 and streaming with tversity though.

The h.264 support is really shoddy in general, for example it the xbox cant play h.264 files larger than 4 gigs, and can ONLY use 2 channel aac audio.

@Unrealistic what are you using to stream .mkv? tversity works but it tries to transcode it for some reason.

#8 Audioboxer

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Posted 27 July 2009 - 23:01

I will have to test that, because I could have sworn it was in AC3 5.1. Too lazy to test it atm though.

Just thought it was interesting though because before today I've never been able to play these files.


You should of asked for help before hand, I could've got you setup for streaming before now :p It's just Windows Vista wasn't made in mind for streaming HD content, you had to use 3rd party software.

#9 Jester124

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Posted 27 July 2009 - 23:02

It doesn't support the mkv container though making it goddamn useless to me.


Divx has a tech preview driver that gives access to mkv files for streaming. the only catch is you have to be using the 32bit win 7 as 64bit is not yet supported. I'v been using it since the Win 7 RC works pretty good. The only probles I have is 1080p is touch and go but it more than likely is my pc as its an old athlon 64 3500+ system.

Edit: Streaming through MC not through Dashboard

#10 Audioboxer

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Posted 27 July 2009 - 23:03

Did you not notice my post said "mkv CONTAINER" lol I am very (obviously) aware of the difference.

And even when I have files that are .mp4 or use software to put it into and mkv4 container it doesn't play at all on my xbox unless I stream it which is odd (for example playing off a usb doesn't work for h.264 at all) I have had some luck using xenonmkv to make it into a .mp4 and streaming with tversity though.

The h.264 support is really shoddy in general, for example it the xbox cant play h.264 files larger than 4 gigs, and can ONLY use 2 channel aac audio.


Well put it this way, MKV container support wouldn't really change anything.

The same limitations would be in place, as those limitations are due to codec & hardware support/compatibility, not container support.

#11 OP Unrealistic

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Posted 27 July 2009 - 23:03

Viper, can you test this? I was streaming a 6.56GB 720p x264 movie in mkv container. I'm just using the Media Center Extender to stream, no 3rd party software.

@Audioboxer, I didn't want to use TVersity or any other conversion software, even though my computer can clearly handle doing it. I'm odd with converting formats, even if they are mathematically similar.

#12 ViperAFK

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Posted 27 July 2009 - 23:05

With windows media player? WMP streaming doesnt seem to work at all for me so I can't test that anyway. I have to use orb or tversity, or usually copy files to my usb drive.

#13 Jester124

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Posted 27 July 2009 - 23:06

With windows media player? WMP streaming doesnt seem to work at all for me so I can't test that anyway.


no i corrected my post only in media center

#14 OP Unrealistic

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Posted 27 July 2009 - 23:07

Windows 7 Homegroup sharing -> Windows Media Center 7 sharing -> Xbox 360 Media Center Extender.

#15 ViperAFK

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Posted 27 July 2009 - 23:07

Media center doesn't even recognize mkv files for me.



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