[FFmpeg-devel] Does the H.263 in FFmpeg support two pass encoding

Michael Niedermayer michaelni at gmx.at
Thu Apr 9 10:06:48 CEST 2015


On Thu, Apr 09, 2015 at 09:24:42AM +0530, Ramprasad N wrote:
> Hi,

> The second pass shows error (IO error: Error number 0 occurred) but the

how can this be reproduced ?
or can you put a abort()/breakpoint in libavutil/error.c and provide
a backtrace from ffmpeg_g ?


[...]
> Also,
> For the same command line, an older version of ffmpeg (dec-2013) fails in
> the second pass with the error
> [h263 @ 0192FBC0] statistics are damaged at line 0, parser out=0
> Error while opening encoder for output stream #0:0 - maybe incorrect
> parameters such as bit_rate, rate, width or height
> 

> Does h263 (in ffmpeg) support 2 pass encoding?

yes


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

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20150409/8973fb02/attachment.asc>


More information about the ffmpeg-devel mailing list