[Asterisk-video] H264 and Grandstream

[Atle Samuelsen]

Hi John Martin,

That's the reason *stupid* but ok.. Do you know if that's the same
truuth to H263 ? And if it is.. Maybe we should talk to ffmpeg / x264
people to make them add support for this in their software?

- Atle

* John Martin <John.Martin at AuPix.com> [070130 09:30]:
> Hi Atle,
>   Asterisk uses its own h264 file format. You have to chop up a standard
> stream and re-assemble into a stream containing packets with (possibly)
> multiple NALs and headers on the front of each packet. The headers
> contain timestamp and packet lengths, plus any marker bits.
> 
>   We've developed our own solution for this but I'm not aware of any
> opensource way of achieving it at the moment. I'm sure others will pipe
> up if there is a way.
> 
> Regards, John
> 
> -----Original Message-----
> From: asterisk-video-bounces at lists.digium.com
> [mailto:asterisk-video-bounces at lists.digium.com] On Behalf Of Atle
> Samuelsen
> Sent: 29 January 2007 15:19
> To: asterisk-video at lists.digium.com
> Subject: [Asterisk-video] H264 and Grandstream
> 
> 
> Hi guys,
> 
> I'm haveing some problems when trying to encode video with ffmpeg. Has
> anybody been able to resample a avi file to h264 format so asterisk can
> eat it?
> 
> I'm trying now with
> 
> ffmpeg -i /home/clona/test.avi -s 352x288 test.h264
> 
> When doing this I get a h264 encoded file (verified with x264) but I'm
> not able to make view it when calling into asterisk from a GSV3000
> phone.
> 
> Anybody have any ideas on what I'm doing wrong?
> 
> - Atle
> 
> 
> 
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