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Mac PVR Coming Soon
Posted by
pudge
on Tue Jul 16, 2002 10:11 AM
from the must-get-new-toy dept.
from the must-get-new-toy dept.
mgrochmal writes "One of the items bouncing around the rumor mills is EyeTV, a TiVo-like device for Apple computers. Made by El Gato Software, it hooks up to one of the Mac's USB ports and captures MPEG-1 video, with a choice between a VideoCD-compatible recording, or a higher quality recording. You can read about a preview build of it, as well as read a comparison between it and a TiVo." It doesn't come with a hard drive; and here I was, thinking I wouldn't fill up my new 160GB hard drive any time soon. Silly me.
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Let's hope they do a better job than ATi (Score:2, Interesting)
HELLO, ANYBODY THERE??? (Score:3, Interesting)
Re:Let's hope they do a better job than ATi (Score:2)
USB? Ick. (Score:5, Insightful)
Re:USB? Ick. (Score:2)
I SO want one of these, seeing them just yesterday on their website. A friend's dad just got one for HIS Mac, and loves it, rejoicing in being able to get rid of his TiVo
Re:USB? Ick. (Score:2)
You're kidding, right? Maybe if it's compressed...and given the way USB was designed, I wouldn't expect to be able to do much with your computer while it's capturing. For an external gadget, FireWire would've been much better. DV would be a better capture format than MPEG; it's more easily edited (which is good for cutting ads out of stuff you want to archive). Sony has a device that converts analog video (composite or S-video) to DV and puts it out on FireWire...add a computer-controlled tuner to it and you'd be all set.
(Do Macs have AGP slots? If they do, why couldn't someone drop in any old video card that the rest of us use? Failing that, I know most of 'em do PCI, and you can still find video cards and capture cards that use PCI. I capture to Huffyuv-compressed AVI (720x480, 29.97 fps) with an All-In-Wonder Radeon. The video goes to MPEG only after all the ads are edited out.)
Re:USB? Ick. (Score:3, Interesting)
And as for DV, at 25 Mbps it's about five times the bandwidth that a consumer piece of gear should have to deal with. If it weren't 4:1:1*, it'd be better than DVD in a lot of ways.
An inexpensive consumer PVR really only needs to deal with MPEG-2, at bit rates around and below 4 Mbps. Anything more than that is too dang much.
* This notation refers to the number of samples taken from each color component channel. TV is expressed in the YUV color space, meaning one channel of luminance (a black-and-white signal, essentially) and two channels of color. It's not like RGB where each color is a primary hue, so don't bother trying to think of it that way. The very best way to sample is 4:4:4, or four samples per cycle of each channel. A good compromise is 4:2:2, or twice as many luminance samples as color samples. This maintains both good image resolution and good color resolution. DV samples at 4:1:1, which means the colors are ``squashed.'' Two shades that are close to one another on the uncompressed video will come out of the DV process as the same hue. So DV, despite its high bit rate, isn't quite good enough for broadcast work. At least, that's the prevailing opinion among the folks I work with.
Re:WRONG WRONG, no, and WRONG. (Score:3, Interesting)
Let me just put the last nail in this particular coffin. I don't know everything, but I work with broadcast video every day, so I have some working knowledge at least. We're talking about the width of the pipe, here, and that's all. I have seen a USB hard drive sustain reads of about 900 KB per second for an hour, so it's clear that USB is capable, in the most literal sense, of sustaining transfers in excess of 10 Mbps. Since you can squeeze an awful lot of broadcast-quality video into 10 Mbps, USB is therefore not inherently unsuited to compressed video transport.
You seem to be arguing-- for reasons that baffle me-- that the fact that the video must be compressed outside the computer sucks and that only internal, software-based compression is okay. Based on the rack of SD and HD MPEG-2 encoding gear in my lab at the office, I'd have to call ``bullshit'' on that assertion. As I've said before, I have never seen a professional application of a software-based real-time MPEG-2 encoder, so I can't really form an opinion. But they're conspicuous by their absence, I think.
I mean, let's put this in perspective. There are two kinds of compressed video: broadcast quality, and horseshit. On that scale, everything I've ever seen south of a Minerva VNP is horseshit, and that includes both USB encoders and consumer PCI cards.
You find the variety of horseshit compressed video you can squeeze out of your PC to be acceptable, but you find the kind you can get out of the EyeTV widget to be unacceptable. That's a valid opinion, and I respect it. But don't let that develop into a superiority complex. It's still horseshit.
Re:USB? Ick. (Score:5, Informative)
Just as an example, on my TiBook 667 I have 2 USB ports. On them are:
Port 1 - a MacAlly external keyboard and MS optical Intellimouse.
Port 2 - Belkin 7-port powered USB hub.
Then, attached to the hub I have a Palm USB adapter, one of those Griffin iKnobbie things (it's useless, but cool) a Microtech Smartmedia/CF reader, and a gamepad. But I also have several devices that'll ONLY work when either hooked up to the free port on the keyboard or directly attached to the PowerBook:
-DiskOnKey (128MB)
-Epson Stylus Photo 785EPX
-Olympus D-3000 digital camera
-Compaq iPaq 3765
So not only are my USB ports pretty darned busy, but I have devices that'll only work in a particular order and/or port. OTOH my Firewire port has only two devices that I connect, and then only when needed: an external hard drive and a Canon DV camcorder. And I could always get a Firewire hub if I needed one.
In general, most people are using their Firewire ports less, and if/when El Gato attacks the PC market there's a decent (and growing) number of PC's with that port (or you can add one for about $30). For their application, I think Firewire would have been a better choice.
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Parent
Re:USB? Ick. (Score:2, Interesting)
Re:USB? Ick. (Score:2, Interesting)
I thought iKnobbiething was a good stand-in under the circumstances... In fact, maybe there's a market for a device with that kind of name!
Re:USB? Ick. (Score:2, Interesting)
USB? What were they thinking? (Score:5, Insightful)
This doesn't make any sense. If the Macintosh is really the target platform for this, why didn't they use Firewire? All current Macs ship with Firewire (even the $799 G3 iMac).
Re:USB? What were they thinking? (Score:2)
USB = plenty of bandwidth for compressed data (Score:3, Informative)
The review mentions that the standard (only?) compression results in about 650MB of data for each hour of recording. Basing an estimate of USB bulk data transfer capacity on the fact that you can get 4x USB CDR drives, this thing is only using approximately 1/4 of the capacity of a USB connection.
I can see the disclaimer on the Commerical now... (Score:4, Funny)
The problem with MPEG-1 (Score:5, Informative)
Since MPEG-1 can't store data like this, one of the two fields will have to be discarded before capturing. This means you'll lose half of the temporal information automatically. This will leave anything originally shot of film looking jerky on playback, and anything shot on video less "present."
Good PVR systems use MPEG-2, which can store fields. There are good MPEG-2 hardware cards for Mac, even, that they could use instead. Heck, a Dual G4 can encode MPEG-2 in software in significantly faster than real time with the DVD Studio Pro Codec.
Re:The problem with MPEG-1 (Score:2)
Poor-Man's DVD Recorder (Score:5, Interesting)
This is why my brother is looking hard at buying an EyeTV. Course, he could also look for a solution with a DVD-burner built into it and a MPEG-2 encoder card, but that costs a lot more than the $200 he would be spending to add this to his exiting iMac + External DVD-burner setup.
Parent
Re:The problem with MPEG-1 (Score:2)
Deinterlacing? (Score:2)
That said, MPEG-2 would be the best approach.
Or even better, if someone released Bt8x8 drivers for OS X - Then you'd be able to use one of the many PCI tuner cards which give FAR better performance at a lower price.
Shouldn't be that hard... Just a matter of someone porting the BTTV drivers...
vidcap card != PVR? (Score:2)
Re:vidcap card != PVR? (Score:2)
Re:vidcap card != PVR? (Score:2)
Yes, I know there's cron-type software out there... could probably write an applescript for it, too. But, I'm not running OS X on the box I'm doing the video stuff on, since it won't play nice with the SOnnet G4 upgrade.
Two deceptions in the lead: (Score:3, Informative)
This is not a rumor; this is an announced, real, for-sale-today product. www.elgato.com.
This will work with a Mac, but is not an Apple product. Just to be clear.
Not a Rumor (Score:5, Informative)
Re:Not a Rumor (Score:2)
None of these PC devices have nailed it (Score:4, Informative)
By contrast all the PC software that I've tried is still fundamentally based on pointing at a programming ggrid and asking the software to record something. That's when it works. I've had a lot of problems with, not only drivers, but also the software itself doing things like having problems recording adjacent programs -- to say nothing of crashing on a fairly regular basis.
I've come to believe that we'll move toward having a "digital entertainment center" that may be (hopefully will be) based on as open an architecture as possible but will be optimized for specific types of entertainment-related functions as opposed to general computing. We all like the idea of this infinitely hackable, totally open computer device, but -- at least for now -- I think Tivo has demonstrated rather convincingly that specialization has some advantages too.
Yawn! (Score:2)
My major beef with Mac OS X right now is no TV-in card. I like to have CNN/CNBC/Fox News in a little window running while I type away at my work. With a three monitor Mac system, I have plenty of places to put that window. I have an ATI All-In-Wonder card that works beautifully in Mac OS 9 but has no drivers for Mac OS X and ATI doesn't give a damn if it ever does. It just runs one of the monitor like a plain RagePro 128. Which is fine, because I will never buy another card from ATI nor will my business until ATI provides TV-in/out drivers for the All-In-Wonder for Mac OS X. Unfair? Maybe so, but I am the customer, so I am always right. Nvidia is now my sole Mac Video Card supplier.
Cool (Score:2)
Re:Cool (Score:3, Informative)
"Q. Does EyeTV support PAL format and work internationally?
A. Not yet. EyeTV currently only supports NTSC format for use in North America."
Apple Home Entertainment System (Score:3, Interesting)
save your money and get a 7500/7600 (Score:4, Insightful)
So that's the video input part, on a machine that's 6+ years old. The Tivo part can be done with a bit of script magic (Applescript, perl, whatever) or tools like BTV from bensoftware [bensoftware.com]. You can encode to MPEG/cinepak/whatever on the fly, or later on. If you don't need the Tivo part, Apple's software does a good job of recording things.
Total cost is about $50 these days, and I'll bet the quality is better.
Re:save your money and get a 7500/7600 (Score:2)
Total cost is about $50 these days
The only problem with that scenario is that the 7500/7600 had only SCSI on the motherboard, so you'd probably also want/need to slap an IDE card in there so you could use large cheap IDE drives -- and that factor runs up the cost appreciably.
~jeff
Anything you can do... (Score:2)
quicktime broadcaster? (Score:3, Interesting)
http://www.apple.com/quicktime/products/broadcast
QuickTime Broadcaster not only encodes video in real-time to MPEG-4 over a network, but will also save a file to disk as well. And the app is AppleScriptable! -- so the only problem now is getting the video (tuned to the appropriate channel) into the machine at the right time. Too bad there's no cheap PCI TV tuners for the Mac...
I've got to think that this approach -- and the El Gato "PVR" for that matter -- is vastly inferior to a "set-it-and-forget-it" tivo.
~jeff
Re:quicktime broadcaster? (Score:2)
Speaking of which, how hard would it be to port some of the video4linux code over to Darwin/BSD anyway? Seems like a weekend job for someone who knows a little about how Darwin works..
Looks Like a Great Product (Score:2)
Since then, there were next to ZERO Macintosh TV tuners out there for Mac OS X use. ATI appears to have one, but its feature set is limited. Eskape Labs has been working on its MyTV OS X software for over a year now, and was in the running for my money until EyeTV showed up.
A USB TV tuner is a good fit. It doesn't suck up a precious PCI slot. It can be moved to any computer with cable hookup and USB. Works great with older or laptop Macs. Fits everyone I need for my new home.
The PTR features are a bonus, but will be very much appreciated. The price can't be beat, either. Competitive products will cost up to $1000 since they have internal hard drives. EyeTV appears to balance the abilities of the Mac with the features of a basic PTR.
The RCA video inputs also allow you to use the computer as a quickie display for today's game consoles such as PlayStation, or a basic video input for your camera.
Not a bad price at $199 (during Macworld, only $179), and the product quality looks good. While FireWire may seem a logical choice, it's overkill--USB has more than enough bandwidth. The only thing you need is to keep some drive space clear.
Biggest flaw - No TV out ports! (Score:2, Insightful)
From what I've heard the software is top notch, free TV guide, ability to pause live TV, etc... but its useless unless you like to watch all of your shows in a tiny window on your computer's screen.
More information (Score:4, Informative)
I got most of my info from this link: http://www.macintoshdigitalhub.com/reviews/eyetv/i ndex.html [macintoshdigitalhub.com]. Hope this helps clear stuff up!
I Like!!! (Score:2)
Who needs a HD? (Score:2)
Re:Apply Capture? (Score:3, Informative)
The difference is... (Score:4, Informative)
Parent
Re:USB 2.0? (Score:3, Interesting)
Re:Exciting? Hardly! (Score:2)
Re:No Repeating Recordings? (i.e., TiVo Season Pas (Score:2)
Re:Not new at all (Score:2)
Not that it matters, because (as you said) Dazzle has a Firewire based DV bridge (the Hollywood model) that works great. Composite / s-video in and out, just like the usb, only running a much higher thruput with the Firewire. That's what I picked up, and it works great. I can patch it into my vcr and record live tv, too! See my previous comments about my Mac possibly being a PVR
Not necessary (Score:2)
Re:what about the quality? (Score:2)