[Ffmpeg-devel] ffmpeg/rtsp - dropped videoframes

Michael Niedermayer michaelni
Wed Dec 6 22:00:20 CET 2006


Hi

On Tue, Dec 05, 2006 at 04:21:19PM +0100, Clemens Fischer wrote:
> Hi,
> 
>  
> 
> I'm using ffmpeg to transcode the video stream of a network camera but the
> resulting video is not useable because according to the verbose output
> almost all frames are dropped.
[...]
> *** 8 dup!
> 
> *** drop!
[...]
> *** drop!10 q=2.0 size=      62kB time=0.4 bitrate=1410.8kbits/s dup=9
> drop=19    
> 
> *** drop!
> 
> *** drop!
> 
> *** drop!
> 
> *** drop!
> 
> *** drop!10 q=2.0 size=      62kB time=0.4 bitrate=1410.8kbits/s dup=9
> drop=24    
> 
> *** drop!
> 
> frame=   11 q=2.1 Lsize=     120kB time=0.4 bitrate=2457.6kbits/s dup=9
> drop=26
[...]
> . the question is now where the problem could be located (rtsp stream, sdp
> and/or ffmpeg). For the moment I totally lost because I have no idea how to
> fix this problem but maybe you could provide me some hint(s), because with
> VLC and realplayer everything works pretty well.

the whole looks like theres something wrong with the timestamps ...

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you really think that XML is the answer, then you definitly missunderstood
the question -- Attila Kinali




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