segmento/main.go

69 lines
1.3 KiB
Go

package main
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"segmento/internal/playlist"
"segmento/internal/segment"
)
type listener struct {
}
func (l *listener) OnUpdate(p playlist.Playlist) {
fmt.Println("Playlist updated")
fmt.Println("Playlist:")
fmt.Println(p.Render())
fmt.Println("")
}
func main() {
// TODO accept some flags with:
// URL - source of stream
// TargetLength - length of segments in seconds
// Output
// -d some_dir/ => output playlist and chunks to this directory, cleaning up old files from time to time.
// -b 0.0.0.0:3000 => serve playlist and chunks from an HTTP server bound to this address
var url string
flag.StringVar(&url, "url", "", "URL of MP3 stream")
flag.Parse()
if url == "" {
log.Println("Invalid arguments")
flag.PrintDefaults()
os.Exit(-1)
}
client := &http.Client{}
resp, err := client.Get(url)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
listener := listener{}
playlist := playlist.NewMediaPlaylist()
playlist.AddListener(&listener)
segmenter := segment.NewMP3HTTPSegmenter()
segments, err := segmenter.Segment(resp.Body)
if err != nil {
log.Fatal(err)
}
// Block while reading the segments into the playlist:
if err = playlist.ReadSegments(segments); err != nil {
log.Fatal(err)
}
log.Println("exiting")
}