ffmpeg -i http://192.168.0.2/video.mp4 -vf "movie=image.png [watermark]; [in][watermark] overlay=0:0 [out]"  http://localhost:9090/feed0.ffm

this is not ok, the image.png is not applied on the video

ffmpeg -i http://192.168.0.2/video.mp4 -vf "movie=image.png [watermark]; [in][watermark] overlay=0:0 [out]"  experiment.avi

this is ok, the image.png is correctly applied on the video