[x264-devel] X264 to iPad

Alex Jurkiewicz alex at bluebottle.net.au
Sun Jan 30 23:49:14 CET 2011


Hi Avi,
You didn't describe the method by which video is sent from EE to the
iPads. Regardless, x264 as-is cannot do such things -- it is only a
video encoder -- and you need to look elsewhere. VLC or ffmpeg may do
what you want.

Alex

On Tue, Jan 25, 2011 at 1:28 AM, Avi Shvartz <avishvartz1 at yahoo.com> wrote:
> Hello list,
> I am new in this list so please forgive me if my question is not inline with the
> list. Purpose:
> - Transmit a Power Point presentation, both slides and movies, or other video
> resources such as TV, DVD etc..
> via WiFi to ~20iPads within a meeting room .
> Note: the presenter is in the same room , so the delay between the presentation
> show on the PC
>
> and the display on the iPads should be minimal.
> Problem:
> - A ~30sec delay between the video changes on the PC and the appearance on the
> iPads.
>
> Topology:
> - PC XP with power point/movies.
> - 100MHZ TCP/IP connection to a video streamer machine.
> - Video streamer machine:
>      - i7950 cpu.
>      - 4GB memory.
>      - 2xSSD (one for the operating system and one for the video capture card).
>      - Video capture card : SKYDIGITAL CAPTUREX-X
>      - Operating system: most updated WIN7 professional.
>      - Microsoft Expression Encoder 4 pro: version 4.0.1639.0
>      - IIS 7.
> - WiFi : Two Access points 802.11n (for high availability and avoiding bandwidth
> problems)
>    configured with WPA2-Entreprise.
> - iPad: 4.2.1
>
> Taxonomy:
> - From brief analysis it seems that most of the delay is in the Expression
> Encoder side.
>
>
> Some questions:
> - Can the Expression Encoder be replaced with X264 software?
> Note: iPad use - Any other ideas ?
> Thank you very much for your kind help
> Avi"Apple Live HTTP Streaming protocol"as explained in:
> http://developer.apple.com/library/ios/#documentation/networkinginternet/conceptual/streamingmediaguide/HTTPStreamingArchitecture/HTTPStreamingArchitecture.html#//apple_ref/doc/uid/TP40008332-CH101-SW2
>
>
>
>
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>


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