Video slideshow

With ffmpeg:

ffmpeg -y -r 1 -loop_input -shortest -i <IMAGE> -acodec copy -i <AUDIO> output.avi

• -y – overwrite output,
• -r 1 – fps=1,
• -loop_input – loop image,
• -shortest – end when we run out of inputs,
• -acodec copy – don't recode