44 lines
631 B
Go
44 lines
631 B
Go
package main
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import (
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"bufio"
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"fmt"
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"io"
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"log"
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"os"
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)
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const fname = "/home/rob/Desktop/example.mp3"
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const syncHeader1 = 0xFF
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const syncHeader2 = 0xFE
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func main() {
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f, err := os.Open(fname)
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if err != nil {
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log.Fatal(err)
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}
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bufreader := bufio.NewReader(f)
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buf := make([]byte, 4)
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var i int
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for {
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_, err := io.ReadFull(bufreader, buf)
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if err != nil {
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log.Fatal(err)
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}
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if parseBytes(buf) {
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fmt.Printf("Got possible header %X at %d\n", buf, i)
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}
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i++
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bufreader.UnreadByte()
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}
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}
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func parseBytes(buf []byte) bool {
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return buf[0]&syncHeader1 == syncHeader1 || buf[0]&syncHeader2 == syncHeader2
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}
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