protected override void Setup()
{
frame->NbSamples = sampleCount;
frame->Format = (int)format.SampleFormat;
frame->ExtendedData = (byte **)&frame->Data;
FF.av_samples_fill_arrays(frame->ExtendedData, frame->Linesize, (byte *)cache, format.Channels, sampleCount, format.SampleFormat, 1);
}
public void Resize(int sampleCount)
{
if (format == null)
{
throw new InvalidOperationException($"{nameof(AudioFrame)} 对象未指定格式");
}
this.sampleCount = sampleCount;
int bytes = format.GetBytes(sampleCount);
cache.Resize(bytes);
FF.av_samples_fill_arrays(datas, null, cache.data, format.Channels, sampleCount, format.SampleFormat, 1);
}
