/// <summary>
/// 结束喊话
/// </summary>
private void StopCollectSound()
{
try
{
if (!IsRecoding)
{
return;
}
//停止音频采集
var rtn = PcmAudio.waveInStop(hRecord);
if (rtn == 0) //停止采集成功，立即重置设备,重置设备将会导致所有的buffer反馈给程序
{
IsRecoding = false;
ShowMsg("停止采集音频数据。");
rtn = PcmAudio.waveInReset(hRecord); //重置设备
}
Thread.Sleep(500);
if (rtn == 0) //重置设备成功，立即关闭设备
{
rtn = PcmAudio.waveInClose(hRecord); //关闭设备
}
//GC.Collect();
}
catch (Exception ex)
{
ShowMsg(ex.Message);
}
}
/// <summary>
/// 开始喊话
/// </summary>
private void StartCollectSound()
{
try
{
if (IsRecoding)
{
return;
}
////初始化音频编码解码
//EvrcProtocal.InitEncoder();
//EvrcProtocal.InitDecoder();
EvrcProtocal.StartSpeech();
var rtn = 0;
hRecord = IntPtr.Zero;
rtn = PcmAudio.waveInOpen(out hRecord, -1, ref lpFormat, _wd, 0, 0x00030000);
if (rtn == 0)//成功返回0
{
//将准备好的buffer提供给音频输入设备
for (int i = 0; i < MAXRECBUFFER; i++)
{
//准备一个bufrer给输入设备
PcmAudio.waveInPrepareHeader(hRecord, ref globalhdr[i], (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
//发送一个buffer给指定的输入设备，当buffer填满将会通知程序
PcmAudio.waveInAddBuffer(hRecord, ref globalhdr[i], (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
}
//开启指定的输入采集设备
rtn = PcmAudio.waveInStart(hRecord);
if (rtn == 0)
{
IsRecoding = true;
ShowMsg("正在采集音频数据...");
}
else
{
ShowMsg("采集音频失败");
}
}
}
catch (Exception ex)
{
ShowMsg(ex.Message);
}
}
/// <summary>
/// 喊话处理
/// </summary>
/// <param name="hdr"></param>
private void OnSoundData(PcmAudio.WaveHdr hdr)
{
if (!IsRecoding)
{
return;
}
if (hdr.dwBytesRecorded == 0)
{
return;
}
//使采集过程，直到此buffer已经沾满，不能再填充
PcmAudio.waveInUnprepareHeader(hRecord, ref hdr, (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
//将采集到的声音发送给播放线程
if (hdr.lpData != IntPtr.Zero)
{
DataProc(hdr.dwBytesRecorded, hdr.lpData);
}
}
private unsafe void btnTest_Click(object sender, EventArgs e)
{
try
{
#region 测试：PCM音频采集 + evrc编码 + evrc解码 + PCM音频播放
//hPlay = IntPtr.Zero;
//PcmAudio.WaveHdr hdr;
//var plyrts = PcmAudio.waveOutOpen(out hPlay, -1, ref lpFormatPlay, _wdPlay, 0, 0x00030000);
//if (plyrts == 0)//打开成功
//{
// plyrts = PcmAudio.waveOutSetVolume(hPlay, 0xffffffff);//设置音量
// if (plyrts == 0)
// {
// //evrc编码后数据存放：EvrcBuff
// for (var i = 0; i < EvrcBuff.Length; i++)
// {
// //二维数组复制到一维数组
// var tmp = new byte[AUDIOPACKLENGTH];
// for (var j = 0; j < AUDIOPACKLENGTH; j++)
// {
// tmp[j] = EvrcBuff[i, j];
// }
// //数组存buffer转为Intptr
// //var dec = Marshal.AllocHGlobal(RECBUFFER);
// hdr = new PcmAudio.WaveHdr
// {
// lpData = Marshal.AllocHGlobal(RECBUFFER),
// dwBufferLength = (UInt32)RECBUFFER
// };
// //var buffer = Marshal.AllocHGlobal(AUDIOPACKLENGTH);
// //Marshal.Copy(tmp, 0, buffer, AUDIOPACKLENGTH);
// EvrcProtocal.evrc_decode(tmp, ref hdr.lpData);//解码得到byte[]
// //将要输出的数据写入buffer
// PcmAudio.WaveHdr hdrcopy = hdr;//todo:将最后一帧播放出来
// plyrts = PcmAudio.waveOutPrepareHeader(hPlay, ref hdrcopy, (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
// if (plyrts == 0)//播放成功
// {
// plyrts = PcmAudio.waveOutWrite(hPlay, ref hdrcopy, (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
// }
// }
// ShowMsg("播放成功");
// }
//}
//int i;
//byte[] pDat = new byte[RECBUFFER];
//int uiDatLen = 16;
//byte[] ucEvrcDat = new byte[AUDIOPACKLENGTH];
//byte* pPcm;
//for (int j = 0; j < globalhdr.Length; j++)
//{
// Marshal.Copy(globalhdr[j].lpData, pDat, 0, RECBUFFER);
// byte ucFrameNum = pDat[12];
// if (ucFrameNum <= 0x0a)
// {
// for (i = 0; i < ucFrameNum; i++)
// {
// switch ((pDat[13 + (i >> 2)] >> (6 - (i % 4) * 2)) & 0x03)
// {
// case 0x02:
// ucEvrcDat[0] = 3;
// memcpy(&ucEvrcDat[1], &pDat[uiDatLen], 10);
// pPcm = (uint8*)malloc(PCM_PRE_FRAME_SIZE);
// evrc_decode(ucEvrcDat, pPcm);//解码
// m_pPlaySound->PostThreadMessage(WM_PLAYSOUND_PLAYBLOCK, (WPARAM)PCM_PRE_FRAME_SIZE, (LPARAM)pPcm);//触发播放事件
// uiDatLen += 10;
// break;
// case 0x03:
// ucEvrcDat[0] = 4;
// memcpy(&ucEvrcDat[1], &pDat[uiDatLen], 22);
// pPcm = (uint8*)malloc(PCM_PRE_FRAME_SIZE);
// evrc_decode(ucEvrcDat, pPcm);
// m_pPlaySound->PostThreadMessage(WM_PLAYSOUND_PLAYBLOCK, (WPARAM)PCM_PRE_FRAME_SIZE, (LPARAM)pPcm);
// uiDatLen += 22;
// break;
// default:
// //_DEBUG("OutWrite unknow FrameRate!\r\n");
// break;
// }
// }
// }
//}
#endregion
#region 测试：PCM音频采集 + PCM音频播放
hPlay = IntPtr.Zero;
var plyrts = PcmAudio.waveOutOpen(out hPlay, -1, ref lpFormatPlay, _wdPlay, 0, 0x00030000);
if (plyrts == 0) //打开成功
{
plyrts = PcmAudio.waveOutSetVolume(hPlay, 0xffffffff); //设置音量
if (plyrts == 0)
{
pcmcache = new PcmAudio.WaveHdr
{
dwBufferLength = (UInt32)RECBUFFER
};
for (int i = 0; i < globalhdr.Length; i++)
{
pcmcache.lpData = globalhdr[i].lpData;
//将要输出的数据写入buffer
plyrts = PcmAudio.waveOutPrepareHeader(hPlay, ref pcmcache, (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
if (plyrts == 0)//播放成功
{
plyrts = PcmAudio.waveOutWrite(hPlay, ref pcmcache, (UInt32)Marshal.SizeOf(typeof(PcmAudio.WaveHdr)));
}
}
}
}
ShowMsg("播放成功");
#endregion
#region 测试：编码数据传输 + APP音频解析（通过）
//Func1();
//string arr =
// "C0 6F 00 19 00 00 00 00 00 00 10 6A 0A AA AA A0 4C F9 E5 00 0C 1C E2 6E 1D 07 23 C5 2C C0 D3 5C 27 70 5A 17 32 96 F9 68 C2 98 7E 2C 38 56 EA 98 48 B0 3C 1C 7F F6 96 FB 3A 94 F9 37 79 73 35 99 17 5D BC 15 D9 01 60 76 DF D8 83 7D DC E8 48 FB 88 F1 CA B7 73 BA 94 E2 59 51 DE AC BA BA 00 CC 95 00 D9 4F 90 77 E9 79 CD FD AD C3 D9 37 41 77 BF 9D FC 9F ";
//var arrsnd = HexStringToByteArray(arr);
//SendUdpPacket(_voiceSocket, txtIP.Text, POC_NET_UDP_PORT, arrsnd, arrsnd.Length);
//Func2();
#endregion
}
catch (Exception exception)
{
ShowMsg("测试按钮：" + exception.Message);
}
}