/// <summary>
/// 重采样
/// </summary>
/// <param name="inDatas">输入PCM数据缓冲区的数组。当此参数为<see cref="IntPtr.Zero"/>时，将输出重采样器中剩余的采样点。</param>
/// <param name="inSampleCount">输入缓冲区存放的采样个数（多声道只计算一个）</param>
/// <param name="outDatas">输出PCM数据缓冲区的数组。</param>
/// <param name="outSampleCount">输出缓冲区能够容纳的采样个数（多声道只计算一个）</param>
/// <returns>返回输出的采样个数</returns>
public int Resample(IntPtr inDatas, int inSampleCount, IntPtr outDatas, int outSampleCount)
{
int resultSampleCount = FF.swr_convert(ctx, (byte **)outDatas, outSampleCount, (byte **)inDatas, inSampleCount);
if (resultSampleCount < 0)
{
throw new FFmpegException(resultSampleCount);
}
return(resultSampleCount);
}
