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

On Thu, 9 Apr 2015 09:24:42 +0530 Ramprasad N wrote: > Hi, > The second pass shows error (IO error: Error number 0 occurred) but > the file gets generated and looks fine, but I don't know whether it > actually used the 1st pass. run ffmpeg 1pass h263, then run 2pass to another file. then use fra

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

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

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

Hi, The second pass shows error (IO error: Error number 0 occurred) but the file gets generated and looks fine, but I don't know whether it actually used the 1st pass. C:\Users\ramprasad>ffmpeg.exe -i foreman_qcif.y4m -b:v 128k -pass 1 -vcodec h263 -f 3gp -y NUL ffmpeg version N-69422-gf5722ba Cop