Stephane List wrote:
[...]
>>> VLC can play this Stream with live555 and ffmpeg as decoder, but i would
>>> be glad if theres an easy"out of the box" solution.
>> Is your client on the same network of the camera? Is there any firewall
>> in the middle? Or do you have a windows firewall enabled, which blocks
>> the UDP traffic?
>>
>> What's probably happening is that ffmpeg asks for RTP over UDP, but
>> something is blocking the UDP traffic... VLC solves this problem by
>> switching to RTP over RTSP if no packet is received after a short timeout.
>>
>> Can you try to change the "protocol_mask = (1 << RTSP_PROTOCOL_RTP_LAST) -
>> 1;"
>> line in libavformat/rtsp.c (around line 1061) in
>> "protocol_mask = (1<< RTSP_PROTOCOL_RTP_TCP);" and see if this helps?
>>
>
> Hi,
>
> It's not a matter of TCP or UDP
So, changing the "protocol_mask = ..." line as I suggested did not help?
> Axis cameras support both protocols.
I know this. But if something inside the network is dropping UDP packets,
the axis camera has no way to know this...
> In file libavformat/utils.c , you can read :" /* Do not open file if
> the format does not need it. XXX: specific
> hack needed to handle RTSP/TCP */
This looks something completely unrelated.
Luca
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