mirror of https://bitbucket.org/ausocean/av.git
44 lines
804 B
Go
44 lines
804 B
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"io/ioutil"
|
|
|
|
"bitbucket.org/ausocean/av/cmd/adpcm"
|
|
)
|
|
|
|
func main() {
|
|
var inPath string
|
|
var adpcmPath string
|
|
flag.StringVar(&inPath, "in", "data.pcm", "file path of input data")
|
|
flag.StringVar(&adpcmPath, "out", "encoded.adpcm", "file path of output")
|
|
flag.Parse()
|
|
//read pcm
|
|
pcm, err := ioutil.ReadFile(inPath)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
//encode adpcm
|
|
var comp []byte
|
|
start := 0
|
|
for i := 0; i < len(pcm); i++ {
|
|
if i%1010 == 1009 {
|
|
block := pcm[start : i+1]
|
|
|
|
encBlock, err := adpcm.EncodeBlock(block)
|
|
if err != nil {
|
|
//todo: use correct logging of error
|
|
panic(err)
|
|
}
|
|
comp = append(comp, encBlock...)
|
|
start = i + 1
|
|
}
|
|
}
|
|
// save adpcm to file
|
|
err = ioutil.WriteFile(adpcmPath, comp, 0644)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|