public override bool Decode(Packet packet, Frame outFrame)
{
if (!(outFrame is AudioFrame audioFrame))
{
throw new ArgumentException($"{nameof(outFrame)}必须是{nameof(AudioFrame)}类型且不为null。");
}
if (packet != null)
{
int gotPicture = 0;
FF.avcodec_decode_audio4(codecContext, outFrame.frame, &gotPicture, packet.packet).CheckFFmpegCode("音频解码发生错误");
if (gotPicture == 0)
{
return(false);
}
if (stream != null)
{
outFrame.presentTimestamp = new Timestamp(outFrame.frame->Pts, stream->TimeBase);
}
audioFrame.format = InFormat;
if (resampler != null)
{
resampler.InternalResample(audioFrame); // resample and update
}
else
{
outFrame.UpdateFromNative();
}
}
else if (resampler != null)
{
resampler.ResampleFinal(audioFrame);
if (audioFrame.LineDataBytes == 0)
{
return(false);
}
}
else
{
return(false);
}
return(true);
}
