Re: Video decoding in GTA-02
On Sep 8, 2007, at 11:22 AM, Ian Stirling wrote: It's not _quite_ that bad. You get >> 1 hour, even playing h.263 very loudly while on a phone call. That's cool for demo purposes. Unfortunately H.263 is really only of interest to people with patience - the average end-user will consider H.263 support to be equivalent to no video support, since there's no media available in that format, and e.g. Handbrake doesn't support it. H.263 requires a bit less CPU for playback than H.264, but unfortunately requires more bits for the same quality, which I think is why it's been almost completely replaced by H.264. I don't mean to make this out to be a crisis, but in order to sell in quantity to non-geeks, the phone will have to support H.264, or else we'll need something like Handbrake that supports H.263. If it had H.264 support in hardware with that screen, it would be *really* sweet! ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
On Saturday 08 September 2007 19:31:30 Ted Lemon wrote: > > What about encoding features of the smedia chips ? The day there will > > be a camera on the neo... > Unless you're encoding a long run of video, I don't think this is a > major issue. If you are, yeah, hardware encoding for H.264 sounds > like a great idea. If you got a decent camera on it, you WILL be encoding long videos at times. Just look at the videos coming out of the Nokia N93 for an example of it done right... signature.asc Description: This is a digitally signed message part. ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
Ted Lemon wrote: On Sep 8, 2007, at 7:00 AM, Mikko Rauhala wrote: Software playing will probably take a bit more power, sure, but that aside, the Neo's youtube capabilities already partially exceed (*sigh* at the obligatory comparison) the iPhone's. A lot more power, not a little. Flash is even worse - that's why Apple refused to support it. Figure you might get an hour of battery life if you decode H.264 in hardware, if your CPU can even keep up. Because that's how long the battery lasts with no power management on the Neo right now. The Neo's CPU is roughly equivalent to the Nokia It's not _quite_ that bad. You get >> 1 hour, even playing h.263 very loudly while on a phone call. ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
On Sep 8, 2007, at 7:00 AM, Mikko Rauhala wrote: Software playing will probably take a bit more power, sure, but that aside, the Neo's youtube capabilities already partially exceed (*sigh* at the obligatory comparison) the iPhone's. A lot more power, not a little. Flash is even worse - that's why Apple refused to support it. Figure you might get an hour of battery life if you decode H.264 in hardware, if your CPU can even keep up. Because that's how long the battery lasts with no power management on the Neo right now. The Neo's CPU is roughly equivalent to the Nokia 770, which can't play H.264 video in real time. ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
On Sep 8, 2007, at 3:28 AM, Florent THIERY wrote: But who really wants to check out youtube videos in the subway ? Marketing, marketing... My wife uses the video feature on her iPod quite a bit when we're traveling. And video podcasts are a great idea for the subway - just as good as reading a magazine, only the pictures move! So don't be too attached to the idea that this is just marketing fluff. The lack of H.264 support is a definite weakness. What about encoding features of the smedia chips ? The day there will be a camera on the neo... Unless you're encoding a long run of video, I don't think this is a major issue. If you are, yeah, hardware encoding for H.264 sounds like a great idea. ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
la, 2007-09-08 kello 13:00 +0100, Ian Stirling kirjoitti: > At least on trivial tests I did - it seemed to play youtube videos just > fine on mplayer at 320*240. Indeed. Software playing will probably take a bit more power, sure, but that aside, the Neo's youtube capabilities already partially exceed (*sigh* at the obligatory comparison) the iPhone's. (At least from what I've heard the latter has access to a limited subset of videos transcoded to H.264 spesifically for Apple.) There are some scaling and rotation issues (what with them requiring CPU power), but those can presumably be hw-assisted on the GTA-02 GPU anyway. 'course, a simple GUI for youtube playing will be required (prior to gnash being workable on the Neo, and perhaps preferrable phone-UI-wise afterwards too). Using youtube-dl and mplayer, shouldn't be a big project. Not that interested in youtube myself, though. -- Mikko Rauhala - [EMAIL PROTECTED] - http://www.iki.fi/mjr/> Transhumanist - WTA member - http://www.transhumanism.org/> Singularitarian - SIAI supporter - http://www.singinst.org/> ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
Florent THIERY wrote: It doesn't. It does one of the simpler MPEG-4 profiles, don't recall the details. (One of the S-Media models does H.264, but no VGA.) Can't really feel much pain for that, personally. Personally i do a bit, since online video is moving towards ubiquitous h264 (in Flash player for desktops, or with dedicated chips in f.e. appleTV or mobile phones). But who really wants to check out youtube videos in the subway ? Marketing, marketing... At least on trivial tests I did - it seemed to play youtube videos just fine on mplayer at 320*240. This will presumably mean that it needs 50%ish of CPU at 400Mhz. Which isn't utterly horrible battery life, just horrible. 4-5 hours? ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
Florent THIERY wrote: > Personally i do a bit, since online video is moving towards ubiquitous > h264 (in Flash player for desktops, or with dedicated chips in f.e. > appleTV or mobile phones). But who really wants to check out youtube > videos in the subway ? Marketing, marketing... Not youtube, but I often watch Google Eng.EDU videos on the bus to work on my Nokia N800, and would do so on my Neo in the future. With earplugs of course ... -- Rod ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Video decoding in GTA-02
> It doesn't. It does one of the simpler MPEG-4 profiles, don't recall the > details. (One of the S-Media models does H.264, but no VGA.) > > Can't really feel much pain for that, personally. Personally i do a bit, since online video is moving towards ubiquitous h264 (in Flash player for desktops, or with dedicated chips in f.e. appleTV or mobile phones). But who really wants to check out youtube videos in the subway ? Marketing, marketing... What about encoding features of the smedia chips ? The day there will be a camera on the neo... Who knows if the next neo won't use something like http://3dlabs.com/content/productOverview.asp ;) Flo ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Video decoding in GTA-02
There, remembered to change the subject line... pe, 2007-09-07 kello 14:33 -0700, Ted Lemon kirjoitti: > On Sep 7, 2007, at 1:19 PM, Raphael Jacquot wrote: > >> - At least several hours of H.264 playback. > > possibly doable but I don't believe the current hardware can handle it > > The point here is that for the GTA02, if the video hardware supports > hardware playback of H.264, we need a driver that allows us to take > advantage of that. You're right that it's a nonstarted on the > GTA01, but that's okay. It doesn't. It does one of the simpler MPEG-4 profiles, don't recall the details. (One of the S-Media models does H.264, but no VGA.) Can't really feel much pain for that, personally. -- Mikko Rauhala - [EMAIL PROTECTED] - http://www.iki.fi/mjr/> Transhumanist - WTA member - http://www.transhumanism.org/> Singularitarian - SIAI supporter - http://www.singinst.org/> ___ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
