av

README

av

Local audio/video streaming thingy written in Go.

Synopsis

./av -d <dir> [-p port {8080}] [-v] [-vv] [-ffmpeg]
  -d string
        directory to serve
  -ffmpeg
        concat media files recursively from each level to the directory being served; EXTERNAL DEPENDENCY ON FFMPEG
  -h    this help
  -p string
        port where fileserver will be served (default "8080")
  -v    verbose application
  -vv
        very verbose application

Getting started

To start up the web server, you can run the shell script

./run.sh

or

go run main.go -d <dir> [-p port {8080}] [-v] [-vv] [-ffmpeg]
go build && ./av -d <dir> [-p port {8080}] [-v] [-vv] [-ffmpeg]

Useful ffmpeg commands

• MKV to MP4 w/o re-encoding

ffmpeg \
	-i <video file>.mkv  \
	-codec copy <video file>.mp4 

• MKV to MP4 w/ re-encoding (slow for movies)

ffmpeg -i <video>.mkv -c:v mpeg4 -c:a libvorbis <output>.mp4

• Add subtitles to MP4

ffmpeg \
	-i <video file>.mp4  \
	-i <subtitle>.srt  \
	-c copy \
	-c:s mov_text \
	outfile.mp4

• combine (different) audio files

ffmpeg \
	-i "1.mp3" \
	-i "2.wav" \
	-i "3.flac" \
	-filter_complex 'concat=n=${x}:v=0:a=1[a]' \ # ${x}, where x is nr of input, ie how many '-i' flags
	-map '[a]' \
	-codec:a libmp3lame \
	-b:a 256k \
	output.mp3

• Break a/v files to HLS (HTTP Live Stream) format

ffmpeg \
	-i <audio/video file>  \
	-c:a libmp3lame  \
	-b:a 128k  \
	-map 0:0  \
	-f segment  \
	-segment_time 10  \
	-segment_list outputlist.m3u8  \
	-segment_format mpegts output%03d.ts