How to convert images to video?

Convert img??? sequence to a video. 3 images per second. ??? start from 000,001,…

ffmpeg -framerate 3 -i img%03d.png market_0810to0814_noaudio.mp4

How to add audio to video (no added original audio)?

Audio shorter than video, after video ended audio continue to play.

ffmpeg -i market_0810to0814_noaudio.mp4 -i RelaxingBallad.mp3 -c copy market_0810to0814_audio.mp4

Add shortest, to cut audio to same length of video.

ffmpeg -i market_0810to0814_noaudio.mp4 -i RelaxingBallad.mp3 -c copy -shortest market_0810to0814_audio.mp4