private unsafe CompressionStatus ReadDeflateOutput(byte[] outputBuffer, StreamFlag flushCode, out int bytesRead)
{
if (outputBuffer?.Length < 0)
{
throw new ArgumentException("outputbuffer length must be bigger than 0");
}
lock (SyncLock)
{
fixed(byte *bufPtr = &outputBuffer[0])
{
_compression_struct.Destination = (IntPtr)bufPtr;
_compression_struct.DestinationSize = outputBuffer.Length;
var readStatus = CompressionStreamStruct.compression_stream_process(ref _compression_struct, flushCode);
switch (readStatus)
{
case CompressionStatus.Ok:
case CompressionStatus.End:
bytesRead = outputBuffer.Length - (int)_compression_struct.DestinationSize;
break;
default:
bytesRead = 0;
break;
}
_finished = readStatus == CompressionStatus.End;
return(readStatus);
}
}
}
public UserSampleStream(uint freq, uint channels, StreamProc proc, StreamFlag flag, int getData_retryMax = 0)
: base(getData_retryMax)
{
this.streamProc = (handle, buffer, length, user) => this.disposed ? 0x80000000 : this.proc(buffer, length);
this.proc = proc;
this.handle = _BASS_StreamCreate(freq, channels, (uint)flag, this.streamProc, (IntPtr)this.GetHashCode());
if (this.handle == IntPtr.Zero)
{
throw new BASSException("UserSampleStream: BASS_StreamCreate Failed.");
}
}
public FileStream(String filename, StreamFlag flags = 0, ulong offset = 0, ulong length = 0, int getData_retryMax = 0)
: base(getData_retryMax)
{
IntPtr ret = _BASS_StreamCreateFile(false, filename, offset, length, (BASS_UNICODE | (uint)flags));
if (ret == IntPtr.Zero)
{
throw (new BASSException("Could not create stream."));
}
handle = ret;
_BASS_ChannelSetPosition(ret, 0, BASS_POS_BYTE);
}
public static extern CompressionStatus compression_stream_process(ref CompressionStreamStruct stream, StreamFlag flags);
public FlvHeader(StreamFlag streamFlag)
{
HeaderBytes = new byte[] { (byte)'F', (byte)'L', (byte)'V', 0x01, 0x05, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00 };
StreamType = streamFlag;
}
