SUCCESS: Web based 120fps video in REAL TIME! - Page 3
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  1. #21
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    Quote Originally Posted by mdrejhon View Post
    Hey Hyper, can you tell me what capture software you used to record 120 frames per second at 1080p? I have two Intel 520 SSD's in RAID 0 capable of writing at a bit over 1 gigabyte a second, so I should have the bandwidth to record uncompressed 1080p/120fps, so I'd like to attempt this.

    But first, I'd love to break the news of what you've done (and mention you & link to you), so if you could create a lower-bitrate 20 second video (preferably about 30 Mbps instead of 100 Mbps), and try to use an MP4 container instead of AVI container, I'd most appreciate it! This would be a much more manageable 100 MB video file playable on more computers, and hit servers with less bandwidth.

    Hey. It comes down to a combination of GPU power, CPU power, Hard Drive speed, and Codec used. I used Dxtory for the capture. I have a clip now that is 28 seconds long, and is at 120fps almost consistently with maybe just a few frames dropped. Encoded at 30mbps. But still having issues getting it to work. Using the "export to file" option in the x264 codec allows an output to MP4, but drops the Audio. THAT file works. However...if I set the x264 compression and either set audio to direct stream copy, or conversion to another format, the html5 player refuses to play it (though both files play fine locally in MPC).

    Here is the clip with Audio: Download

    Here is the no-audio version of the clip running beautiful 120fps in the HTML5 player:



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  3. #22
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    Just realized VirtualDub apparently doesn't save to MP4 on its own. Will find a fix and update soon.

  4. #23
    It's still playing in slow motion at 30fps on my 5850... I understand why it would lag but not why it would play in slow motion.

  5. #24
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    Quote Originally Posted by Cpt.Teacup View Post
    It's still playing in slow motion at 30fps on my 5850... I understand why it would lag but not why it would play in slow motion.


    Not sure. What browser are you using? For me in IE11 it uses between 3-6% CPU time to play it.

  6. #25
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    Also...stayed up till 6am to get this stuff figured out. The video converter I tried to use didn't want to cooperate with the 98GB video capture source file. So I had to cut a piece of that out and encode lossless with VirtualDub. Then open that file into the new program and convert to MP4. Which...worked. Except when I chose the "Keep original framerate" option, it auto-detected it at 25fps instead of 120fps. And the highest manually selectable option is 60fps. So the rest will have to wait. Have a lot of work tomorrow and really have to get to bed now. As a side note...what's interesting is that the file size difference after conversion...


    25fps = 100MB
    60fps = 101MB
    120fps = 106MB


    So after encoding...the extra framerate doesn't increase the file size in a linear fashion. Not by a long shot.

  7. #26
    Chrome 29.0.1547.57
    Your first video played in slow motion in MPC as well.

    I don't know how to download the new video from that link.

  8. #27
    I don't even know how I double posted...

  9. #28
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    Quote Originally Posted by Cpt.Teacup View Post
    I don't even know how I double posted...
    I wonder if it may be related to having to patch AMD drivers for the catleap, losing hdcp and gpu accelerated video viewing. Keep in mind that 120fps 1080p isn't a joke. I'm surprised I was even able to capture at that rate in a game as demanding as bf3.

  10. #29
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    Eureka! I think I've got it!





  11. #30
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    I've added a 34.6MB version of the above video. I figure it will be much faster to load for people. Server is on a gigabit connection but 104MB for a 28 second clip might be overboard. Let me know if you see any noticeable quality difference between the video above, and this new video.





 

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