[FFmpeg-user] Render images to video with overlaid logo
Seattle Chaz
seattlechaz at hotmail.com
Wed Jan 4 01:41:33 CET 2012
Greetings all:
True ffmpeg noob here. I have a quality control problem. I
successfully rendered my image sequence to video THEN rendered the video
with an overlaid logo. After the 2nd rendering pass, the video is
visibly degraded.
Can this be done in a single render, i.e. render the image sequence to
video AND overlay the logo? Thanks in advance.
CURRENT WORKFLOW
Creating an MPEG-4 file from all the JPEG files in the current
directory:
mencoder mf://*.jpg -mf w=800:h=600:fps=25:type=jpg -ovc lavc \
-lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi
Overlay the logo to the lower right corner on an existing video.
ffmpeg -i output.avi -vf "movie=hope.png [logo];[in][logo] overlay=W-w-10:H-h-10 [out]" -vcodec libx264 hope.mp4
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