Short Movie Generator With Background Image

generate short movie for YouTube and other movie platforms by merging background image and mp4 movie.

How to execute

./execute_convert.sh (background_filename) (start_time)

for example:

./execute_convert.sh ./background1.png 00:00:18.6

How to build

go build -ldflags "-w" compose_image_files_for_short_movie.go

How to get image files from mp4 movie

ffmpeg -i hoge.mp4 decomposed_ffmpeg_frames/frame_%d.png

How to get audio files from mp4 movie

ffmpeg -i hoge.mp4 -vn -acodec copy mymusic.aac

How to trim audio files

ffmpeg -i mymusic_raw.aac -ss 00:00:12 -c copy trim.aac
ffmpeg -i mymusic_raw.aac -ss 00:00:12.5 -c copy trim.aac

How to get movie or audio file length(time)

ffprobe hoge.mp4
ffprobe hoge.aac