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XBMC can decode non-h264 HD video on ATV2 in software but it's not fast enough ... so I was just wondering would it be possible to add some kind of delay of lets say 1 or 2 mins (or more) where the video would be decoded and buffered before a playback was started. Can something like that be made to avoid the stuttering issues ? If one would have to re-buffer a couple of times in a movie then I think even that will be more than acceptable.....
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spiff
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sure, decoding two mins of video at 720p, 24fps would only take
resolution*data per pixel * number of frames * number of seconds =
1280*720*1.5*24*60*2 = 3.7GB memory for 720p.
1920*1080*1.5*24*60*2 = 8.3GB memory for 1080p.
assuming video is kept in yuv, multiply by 4/1.5 for rgba.
audio would be, assuming 48kHz 16bit 5.1 audio
48000*6*2*60*2 = 65MB.
so a total of approx 3.8GB memory for 720p, 8.4GB for 1080p. does your atv2 have that to offer? didn't think so.
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spiff
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we won't ever be able to lift this restriction. the hw is simply too weak.
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spiff Wrote:we won't ever be able to lift this restriction. the hw is simply too weak.
Undocumented, more like it.
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Is the newer ffmpeg implementation targeted for eden release?
Thanks,
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Interesting comments, does this mean when Eden is released we will see a newer stable version of xbmc for atv2!!
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I'm frankly surprised that SMB performance is so poor. The protocol itself isn't bad. I'd love to play 1080p MPEG2 content that I capture off of my antenna on the atv2 without transcoding but right now it's just not happening. It's a minor bump and I'm hoping with time the mythtv frontend plugin or plex plugins will help. :-)