//-------------对外接口------------------
public void initWithNew(
string strAudioPath,
string outPutPath,
ProcessCb cb = null,
CallBackZero finishCb = null)
{
/*
* 如果文件夹已经存在则删除
*/
if (Directory.Exists(strOutPutPath_ + "\\" + FLODER_NAME_FIRST_CUT))
{
Directory.Delete(strOutPutPath_ + "\\" + FLODER_NAME_FIRST_CUT, true);
}
/*
* 初始化
*/
strAudioPath_ = strAudioPath;
strOutPutPath_ = outPutPath;
processCb_ = cb;
finishCb_ = finishCb;
listAudioParts_ = new List <AudioPart>();
initFolder();
initBuffer(strAudioPath);
/*
* 大规模工作集合
*/
isProcessing_ = true;
initListAudioPart(buffer_, onInitListAudioPartCallBack);
}
public void Dispose()
{
corCut = null;
corTrans = null;
nowProcess_ = 0;
finishCb_ = null;
processCb_ = null;
callBackTime = 0;
AudioIndex = 0;
buffer_ = null;
listAudioParts_.Clear();
}
private void initListAudioPart(byte[] buffer, CallBackZero cb = null)
{
corCut = StartCoroutine(cutAudio(listAudioParts_, buffer, 4, cb));
}
private IEnumerator cutAudio(List <AudioPart> listAudioParts, byte[] buffer, int cutTime, CallBackZero cb = null)
{
short[] intBuffer = new short[buffer.Length / 2];
int index = 0;
byte[] arr = new byte[2];
float batchTime = 100000.0f;
for (long i = 0; i < buffer.Length - 1; ++i)
{
if (i % 2 == 1)
{
arr[0] = buffer[i - 1];
arr[1] = buffer[i];
intBuffer[index] = BitConverter.ToInt16(arr, 0);
index++;
}
/*
* 更新进度
*/
if (i % (int)batchTime == 0)
{
NowProcess += batchTime / (float)(buffer.Length - 1) * 0.2f;
yield return(new WaitForEndOfFrame());
}
}
NowProcess = 0.2f;
index = 0;
long dotOneIndex = 0;
long value = 0;
long[] testDotOneTimeValue = new long[buffer.Length / (2 * SAMPLE_RATE / 10)];
for (long i = 0; i < intBuffer.Length; ++i)
{
value += Math.Abs(intBuffer[i]);
index++;
if (index >= SAMPLE_RATE / 10)
{
index = 0;
testDotOneTimeValue[dotOneIndex] = value;
value = 0;
dotOneIndex++;
}
if (i % (int)batchTime == 0)
{
NowProcess += batchTime / (float)(intBuffer.Length) * 0.2f;
yield return(new WaitForEndOfFrame());
}
}
NowProcess = 0.4f;
/*
* 裁剪音频
*/
bool isOnRecorder = false;
int lowerTime = 0;
long markStartIndex = 0;
long markEndIndex = 0;
for (long i = 0; i < testDotOneTimeValue.Length; ++i)
{
if (isOnRecorder == false)
{
if (testDotOneTimeValue[i] > LOWER_VOICE)
{
markStartIndex = i;
isOnRecorder = true;
}
}
else
{
if (testDotOneTimeValue[i] < LOWER_VOICE)
{
lowerTime++;
if (lowerTime >= cutTime || i >= testDotOneTimeValue.Length - 1)
{
/*打断*/
isOnRecorder = false;
lowerTime = 0;
markEndIndex = i;
cutAudioByDotOneTime(buffer, markStartIndex, markEndIndex, listAudioParts);
}
}
else
{
/*
* 出现回升就打断
*/
lowerTime = 0;
}
}
if (i % (int)batchTime == 0)
{
NowProcess += batchTime / (float)(testDotOneTimeValue.Length) * 0.2f;
yield return(new WaitForEndOfFrame());
}
}
NowProcess = 0.5f;
if (cb != null)
{
cb();
}
}