[Libav-user] PTS from best_effort_timestamp?

Isaac Wang isaac.wang at visorcorp.com
Thu Sep 29 01:24:03 CEST 2011

On 9/28/2011 11:39 AM, Nicolas George wrote:
> Le sextidi 6 vendémiaire, an CCXX, Isaac Wang a écrit :
>> Thank you for your reply -- what 'higher format' would you recommend
>> I use for streaming then?
> You did not explain enough what you actually want to do, I do not think that
> anyone could advise you relevantly.
> I know that some people use RTP to stream audio and video over UDP; RTP
> seems quite an ugly protocol, but it works. I believe other people use
> MPEG-TS streams, but I can not fathom why.
> Regards,
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I am trying to send video frames over a network.  Specifically, I am 
trying to write a program that will output a video stream that I can 
view using VLC / ffmpeg / ffplay.  I've tried to use UDP to no avail and 
RTP as per instructions listed at this site: 

but I can't get my program to work (specifically, I am using av_free to 
deallocate memory allocated from url_close_dyn_buf but none of the 
memory is actually freed and I eventually run out of memory).

I would appreciate any detailed suggestions / guides for how to output 
video onto a network stream.  Thanks in advance.
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