Re: [Linphone-users] video decoding error

[Simon Morlat]

What is n800 ?
Possibly there are transmission errors (the stream exceeds maximum bandwidth), 
or the n800 does not send a RFC4629 or RFC2429 compliant h263-1998 stream.
An ethereal capture would tell us more.

Simon

Le Thursday 10 January 2008 20:27:42 Randall Smith, vous avez écrit :
> I'm making calls to/from my n800 with OS2008, which includes an SIP
> client.  I've receiving video on the n800, but getting an error on
> linphone in the logs.  Supposedly, the n800 sends and receives h.263+
> video.  Here is some of what I'm seeing in the linphone output.
>
>
> ortp-warning-ms_AVdecoder_process: error -1.
> ortp-warning-ms_AVdecoder_process: error -1.
> ortp-warning-ms_AVdecoder_process: error -1.
> ortp-warning-ms_AVdecoder_process: error -1.
> ortp-warning-[h263 @ 0xb70d2ac8]warning, clipping 1 dct coefficients to
> -127..127
> [h263 @ 0xb70d2ac8]warning, clipping 1 dct coefficients to -127..127
> [h263 @ 0xb70d2ac8]warning, clipping 1 dct coefficients to -127..127
> [h263 @ 0xb70d2ac8]warning, clipping 1 dct coefficients to -127..127
> [h263 @ 0xb70d2ac8]Bad picture start code
> [h263 @ 0xb70d2ac8]header damaged
> [h263 @ 0xb70d2ac8]Bad picture start code
> [h263 @ 0xb70d2ac8]header damaged
> [h263 @ 0xb70d2ac8]Bad picture start code
> [h263 @ 0xb70d2ac8]header damaged
>
> and here is some AV info from the log:
>
> m=audio 15440 RTP/AVP 3 0 8 110 101^M
> a=rtpmap:3 GSM/8000^M
> a=rtpmap:0 PCMU/8000^M
> a=rtpmap:8 PCMA/8000^M
> a=rtpmap:110 speex/8000^M
> a=rtpmap:101 telephone-event/8000^M
> a=fmtp:101 0-16^M
> a=silenceSupp:off - - - -^M
> m=video 11878 RTP/AVP 103^M
> a=rtpmap:103 h263-1998/90000^M
>
>
> Randall
>
>
>
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