[Libav-user] Watermarks implementation

[Paul B Mahol]

On 8/15/13, Andrey Mochenov <andrey2067 at gmail.com> wrote:
> Hi,
>
> We are using FFmpeg libraries git-ee94362 libavformat v55.2.100.
> Our purpose is to add watermark (semi-transparent PNG image) on the video.
> The corresponding option in MMpeg application is "-vf".
>
> Our question: How to implement the feature using FFmpeg libraries?

By using overlay filter, there are examples how to use filters with libraries.

>
> Andrey Mochenov.
>