[FFmpeg-user] RTSP stream: long delay to start video

Dâniel Fraga fragabr at gmail.com
Thu Dec 20 01:55:50 CET 2012


On Tue, 18 Dec 2012 21:53:01 -0700
Roger Pack <rogerdpack2 at gmail.com> wrote:

> So you think it fixed one problem and introduced another? which commit was it?

	I sent this message to Marton Balint too.

	Roger and Tom, thanks for replying. The commit which introduces
the delay to start the RTSP stream is this one:

3166a6fc379789b3782f431dd232033c2069c443 is the first bad commit
commit 3166a6fc379789b3782f431dd232033c2069c443
Author: Marton Balint <cus at passwd.hu>
Date:   Sun Oct 14 00:47:15 2012 +0200

    ffplay: if there is no audio stream, use external clock by default
    
    Otherwise playing the video could be much slower than realtime if the system
    can't decode or display the frames fast enough.
    
    Signed-off-by: Marton Balint <cus at passwd.hu>

:100644 100644 95a6ac4635f227c7d72edf2ee6b3bd75ca0d87f6
c6cf880ccc2c3090749c00508e8a037977c98cbe M      ffplay.c

	***

	The problem is: Marton Balint knows about it, but he's taking
too long to fix it. Is there some other developer interested in this bug?

	To sum up: after this commit, ffplay takes 10 seconds to start
the stream. As the description says, it is for streams without audio, but even 
that is wrong because ffplay is not detecting the audio stream also.

	But if you could fix the delay to start, it would be great!

	Thanks.

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