/// <summary>
/// 音频源文件输入 使用后必须释放
/// Marshal.FreeHGlobal(tt);
/// </summary>
/// <param name="data">源数据 需要采用带格式数据 如WAV 前44个字节</param>
/// <param name="bassFlag">BASSFlag.BASS_STREAM_DECODE</param>
/// <param name="dataPtr">分配的内存</param>
/// <returns></returns>
public int StreamCreateFile(byte[] data, out IntPtr dataPtr, BASSFlag bassFlag = BASSFlag.BASS_STREAM_DECODE)
{
dataPtr = Marshal.AllocHGlobal(data.Length);
Marshal.Copy(data, 0, dataPtr, data.Length);
int result = Native.NativeMethods.BASS_StreamCreateFileMemory(true, dataPtr, 0, data.Length, bassFlag);
return(result);
}
public int SampleCreate(int dataLen, int freq, int chan, int dataMax, BASSFlag flags)
{
int handle = Native.NativeMethods.BASS_SampleCreate(dataLen, freq, chan, dataMax, flags);
//If successful, TRUE is returned, else FALSE is returned. Use BASS_ErrorGetCode to get the error code
if (handle == 0)
{
throw new WavException(BassErrorCode.GetErrorInfo());
}
return(handle);
}
/// <summary>
/// 音频源转采样率
/// </summary>
/// <param name="mixS">目标句柄</param>
/// <param name="chan">源句柄</param>
/// <param name="bassFlag"></param>
/// <returns></returns>
public bool MixerStreamAddChannel(int mixS, int chan, BASSFlag bassFlag = BASSFlag.BASS_DEFAULT)
{
bool result = Native.NativeMethods.BASS_Mixer_StreamAddChannel(mixS, chan, bassFlag);
return(result);
}
/// <summary>
/// 音频源转换目标
/// </summary>
/// <param name="sample">目标采样率</param>
/// <param name="chan">目标通道</param>
/// <param name="bassFlag">BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_MIXER_END</param>
/// <returns></returns>
public int MixerStreamCreate(int sample, int chan, BASSFlag bassFlag = BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_MIXER_END)
{
int result = Native.NativeMethods.BASS_Mixer_StreamCreate(sample, chan, bassFlag);
return(result);
}
