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SageTV Media Extender Discussion related to any SageTV Media Extender used directly by SageTV. Questions, issues, problems, suggestions, etc. relating to a SageTV supported media extender should be posted here. Use the SageTV HD Theater - Media Player forum for issues related to using an HD Theater while not connected to a SageTV server. |
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#1
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Not too much power!!!
I hope that the new extender of sageTV will not consume too much power.
For me a little XScale would just be right. So I could use the extender as server, when it isn't used. Also a standby would be useful. I hope the new extender makes enough usage of the new decoding chips (like Horizon STB hz 4130, but I guess that it is not available yet). For me the only thing the extender should do, is to listen on a port to a videostream that I send to it by my router-nas. On another port controls should be possible. Also IR-command should be replicated on a third port. |
#2
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DSM-330 useless
I've heard, that the DSM-330 neither supports h.264 neither x.264 but only divx.
This makes it useless (H.264 is part of the future DVB-H). I don't want to use a pc only to transcode. Didn't they hear about the broadcom BCM7411 who does all the decoding? I hope that the sageTV expander will be better!!! |
#3
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Basically, the extender will run a special version of SageTV software which will support rendering the UI but with the STV processing done on the server. It will support streaming media from the server via Sage's protocol for hardware decoding via the SOC. IR will be via an integral IR receiver in the hardware, the software in the box will interpret those IR commands and trigger the appropriate STV execution on the server. At least that's what I expect to see based on the SageTV architecture and what we know. I basically expect it to operate (at a user level) almost exactly like the current extender. Remember, this is a SageTV Extender it extends the SageTV interface and functionality to supplemental displays via a "thin" client box. |
#4
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Can't wait for this thing to get here, but I've got other work to do before I'm even ready for it to begin with...got to work on the wireless network first.
__________________
-Jason |
#5
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Sweet! |
#6
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Not PC but computer
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That's all you need for a webserver. (It can take supplementary memory from a USB-Stick or a NAS in the network). I've got a Router (ASUS wl500gp) with linux. It works as a webserver, downloadmachine, bittorrent, mediaserver, video server ... It has a whole Wikipedia on it. It administrates Joomla (xoops before). It has a MySQL, LightSQL, different webserver, php, perl, ftp-server, webbrowser, ssl, compiler, phpmyadmin, ... It uses only an ARM. DLINK DSM-520 uses also an ARM. You can access with telnet. There is also a busybox and dropbear ... Every extender I know has a little processor and could be used as webserver if I am right. But it seems that the processor of the DSM is slightly to feable for a h.264 SOC. So my conclusion was that the processor of a good extender would be slightly more powerful than the processor of the router (XScale or Strongarm perhaps). This would be useful for my webserver, because it is slightly too slow. Quote:
This UPnP is much too expensive and terribly unsecure. I only need a naked TCP connection (rtp http mms or mmsh or ...). My router already can transmux everything the expander needs (but it can't do any transcoding of video). To replicate IR signals on a TCP port shouldn't be a big task. It makes the expander "thinner" because so the client can respond to IR-commands and the expander is liberated. If I would have to construct an expander (what God never wouldn't allow!!) I would make a contract with ASUS and take the routerboard of the WL500GP. Then I would add SOC'S, HiFi and HDMI functionality and maximze the clockspeed at 300MHZ (maximum without active cooler). The whole thing would be an extender. Am I wrong? |
#7
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What you are looking for is a thin server.
The HD Extender is a thin client, and that is all it is intended to do. Adding server features to it would increase the cost, and that is not what SageTV users want. They want an affordable HD Extender, much like the current SD Extender.
__________________
Mayamaniac - SageTV 7.1.9 Server. Win7 32bit in VMWare Fusion. HDHR (FiOS Coax). HDHR Prime 3 Tuners (FiOS Cable Card). Gemstone theme. - SageTV HD300 - HDMI 1080p Samsung 75" LED. |
#8
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#9
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A propos Xscale
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Did you have a look at Networked Media Tank? And it's cheap!! (<176$) But it has to much commercial software on it. I don't know if it is open source. But it's linux with the wonderful syabas middle ware. I don't know how the audio is like (What is SPDIF? optical? Dolby 5.1?) |
#10
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__________________
Server: Asus M3A; AMD Phenom quad core CPU; 3Gb RAM ; ATi x1600 PCIe Video Card Tuners: 1 Adaptec PVR 3610, 2 PVR 500s; 1 HDHomerun; 2 HD PVR Storage: 1.2 Tb Clients: 2 HD Extenders |
#11
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Thin client
For the SaveTV extender
To stay competitive: a) Open source: Linux b) No WLAN, No Hard Disk, No powerline, No USB: ONLY Ethernet c) Good processor with low power d) h.264 (by SoC) e) hdmi 1.3 f) dolby at least 5.1 optical connector g) No UPnP, only pure (secured) TCP/IP connection h) <120$ (Real thin client: No processor but only miniPCI-card (could be added to router with miniPCI)) |
#12
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The tech spec is even more interesting...
http://www.syabas.com/download/Netwo...cification.pdf The one thing that caught my eye was Code:
* 4 standard definition streams (PAL and NTSC formats) in any of the following format: VC-1, H.264, MPEG-4 and MPEG-2 * One high definition stream 1920 x 1080i(60), 1920 x 1080p (30), 1280 x720p (60) and one standard definition stream simultaneously ![]() |
#13
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I like the ability to add a wifi-n card to it...
__________________
-Jason |
#14
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EvilPenguin
Since you're the codec expert-do you have any sense of how flexible the decoders on this will be with respect to X.264 playback? I've found that the hardware accelerated Cyberlink x.264 decoder is very finicky about which files it will play back. Quote:
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#15
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![]() I'll be very interested as to its container/format compatabilities are so I can figure out the optimal encoding profiles for my plug-in. |
#16
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Competitive with what?
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SageTV is NOT a hardware manufacturer, they are a software developer/supplier/service provider. They are NOT creating a general-purpose thin client like you seem to think/expect/want. They are creating a SageTV specific software solution centered around hardware OEM'd from another company. Of course they will sell the hardware, but that will be purely out of convenience. Quote:
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x264 is not a codec. x264 is an encoder, and implementation of the H.264 (aka MPEG-4 AVC, aka MPEG-4 part 10) codec. From what I've been able to glean in the little I've looked at the "x264 acceleration" issue, the problem is not with x264, but with the people doing the encodes. x264 is just an encoder and it allows the user to tweak anything, as a result, it appears people are making encodes using encoding parameters in x264 that the current crop of accelerated codecs can't deal with. Knowing that, it's hard to say whether a SOC decoder would have trouble with the same parameters, one would hope, that given that these SOCs are designed to a wide range of applications (HD DVD, Blu-ray, to DVB/Satellite), that they support a larger subset of the MPEG-4 part 10 specification. However I do fear (to a degree) that people using x264 are using parameters that don't fall into any of the "industry standard" AVC profiles. For example, (unfortunately wikipedia is the most convenient place): http://en.wikipedia.org/wiki/H.264 HD DVD, Blu-ray, and probably satellite are using High Profile (maybe Main for Sat?), I think HD DVD uses level 4, and Blu-ray 4.1 (Blu-ray has higher bandwidth ceiling). What stands out to me, looking at this, is given the source and purpose of may "x264" encodes, I'd guess they're using some features from the "Extended Profile" which are to aid low-bitrate encoding that aren't supported in other profiles. If you look at the Sigma 8630 series it supports H.264 BP@L3, MP@L4.1 and HP@L4.1, but not XP (the 8620 is the same but only to L4.0). If these problematic "x264" encodes are using XP features, then it's unlikely the extender will be able to handle them. Now there is an alternative issue, and that is GOP size, HD DVD and Blu-ray have (IIRC) somewhat limited GOP size, to reduce memory requirements since storage/bandwidth isn't the primary issue, however x264 is quite likely encoded without concern for memory usage, using long GOPs. The problem with this being the likely cause is that Satellite generally uses huge GOPs because bandwidth is the primary concern, and IIRC ATI/nVidia don't have a problem accelerating satellite H.264, so that would indicate that that's not the issue. There is one more I guess, it's been questioned if the splitter most commonly used with "x264" encodes (mkv) is the problem. If it's that, then provided Sage/extender can deal with that container, it shouldn't be a problem. So I'm not sure what to think, if it's really an incompatible profile issue, I think those with XP encodes are SOL probably. |
#17
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Oh, and I just want to make it clear for everyone here, everything I post WRT the extender is pure speculation on my part, it's based on what little info has been posted on the forum (largely from what was learned about the demo unit shown an CES last winter). Hopefully it will prove to be educated and reasonable accurate speculation, but it's speculation none the less. |
#18
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FWIW, I've never been able to get any of the h264 encoded files that I created with your plugin to work with the Cyberlink decoder. It didn't really matter-it was rare that I would make any that were high resolution, but now that I'm going to be using a separate playback device, I'm more willing to have my main computer do long encodes.
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#19
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RTSP?
I see that the NMT can RTSP.
I don't exactly know what it is. But perhaps it is another point of my whishlist: Replication of the remote control to a TCP/IP protocol? Is there any expert that can confirm it? (By the way: Did anyone have a look at the AB IPBox 900HD Or 9000HD?) |
#20
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__________________
Server: Sage 6.1.9, Java 1.6.0_01, AthlonXP 3000+, 512MB RAM, Terratec Cinergy 2400i, Technotrend S2-3200 Client: Sage Client 6.1.9, Java 1.6.0_01, AthlonXP 3000+, 512MB RAM, GeForce 6150, ForceWare 93.71, nForce 8.26, PureVideo 1.02-223, SageMC 6.3.2c |
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