yeap, thanks a lot.
after installing ffmpeg everything is working smoothly.
On 29.12.2011 12:12, Fabrice Silva wrote:
> It seems that the Animation.save method assume that ffmpeg is installed,
> as there is no cmd_gen keyword argument for this method.
>
> As a quick and dirty fix, you may change the imposed commandline
> constructor overloading the ffmpeg_cmd method
>
> ani.ffmpeg_cmd = ani.mencoder_cmd
>
> or, if you prefer using gstreamer, something like that (not tested)
> def gst_cmd(fname, fps, codec, frame_prefix):
> cmd = 'gst-launch multifilesrc location="{prefix}%%04d.png"
> index={i0} num-buffers={nb} '\
> 'caps="image/png,framerate=\(fraction\){fps}/1" ! pngdec !
> ffmpegcolorspace ! '\
> '{codec_f} ! filesink location={fname} '
> nb_frames = len([tmp for tmp in os.listdir('./') if
> tmp.endswith('.png') and tmp.startswith(frame_prefix)])
> return cmd.format(prefix=frame_prefix, i0=0, nb=nb_frames,
> fps=fps, codec_f=codec+'mux', fname=fname)
>
> ani.ffmpeg_cmd = gst_cmd
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