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main.go
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main.go
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//mp4ff-info prints the box tree of input mp4 (ISOBMFF) file.
package main
import (
"flag"
"fmt"
"log"
"os"
"strings"
"github.com/edgeware/mp4ff/mp4"
)
var usg = `Usage of mp4ff-info:
mp4ff-info prints the box tree of input mp4 (ISOBMFF) file.
For some boxes, more details are available by using -l with a comma-separated list:
all:1 - level 1 for all boxes
trun:1 - level 1 only for trun box
all:1,trun:0 - level 1 for all boxes but trun
`
var Usage = func() {
parts := strings.Split(os.Args[0], "/")
name := parts[len(parts)-1]
fmt.Fprintln(os.Stderr, usg)
fmt.Fprintf(os.Stderr, "%s [-l string] <mp4File> \n", name)
flag.PrintDefaults()
}
func main() {
specBoxLevels := flag.String("l", "", "level of details, e.g. all:1 or trun:1,subs:1")
version := flag.Bool("version", false, "Get mp4ff version")
flag.Parse()
if *version {
fmt.Printf("mp4ff-info %s\n", mp4.GetVersion())
os.Exit(0)
}
var inFilePath = flag.Arg(0)
if inFilePath == "" {
Usage()
os.Exit(1)
}
ifd, err := os.Open(inFilePath)
if err != nil {
log.Fatalln(err)
}
defer ifd.Close()
parsedMp4, err := mp4.DecodeFile(ifd)
if err != nil {
log.Fatal(err)
}
err = parsedMp4.Info(os.Stdout, *specBoxLevels, "", " ")
if err != nil {
log.Fatal(err)
}
}