[FFmpeg-user] dynamic image overlay

Mark mwambler at yahoo.com
Fri Jan 23 03:28:52 CET 2015

Thanks for responding.  I'd like to alter the overlay image / watermark based on an external condition.  So far I've tried pointing the image input to an http servlet that will alter the image data.  Didn't work as it seems ffmpeg caches the remote image after the first call.

Thanks again


Sent from my iPhone

> On Jan 22, 2015, at 4:38 PM, Werner Robitza <werner.robitza at gmail.com> wrote:
> On Thu, Jan 22, 2015 at 10:28 PM, Mark Ambler
> <mwambler-at-yahoo.com at ffmpeg.org> wrote:
>> Hi All,Found this thread on the mailing list from back in 2012.  Was it ever implemented?  if yes... any command line samples out there?
>> https://ffmpeg.org/pipermail/ffmpeg-user/2012-August/008703.html
> It says,
>> Is there currently any way to get it to overlay with an image where the image can be updated every so often, during the ffmpeg session?
> I don't understand what exactly is wanted here. Can you please
> describe that with a more specific example?
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