public Player(System.IO.Stream stream, AudioDevice device)
{
bitstream = new Bitstream(stream);
decoder = new Decoder();
if (device != null)
{
audio = device;
}
else
{
FactoryRegistry r = FactoryRegistry.systemRegistry();
audio = r.createAudioDevice();
}
audio.open(decoder);
}
//UPGRADE_NOTE: Synchronized keyword was removed from method 'convert'. Lock expression was added. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1027"'
public virtual void convert(System.IO.Stream sourceStream, System.String destName, ProgressListener progressListener, Decoder.Params decoderParams)
{
lock (this)
{
if (progressListener == null)
progressListener = PrintWriterProgressListener.newStdOut(PrintWriterProgressListener.NO_DETAIL);
try
{
if (!(sourceStream is System.IO.BufferedStream))
sourceStream = new System.IO.BufferedStream(sourceStream);
int frameCount = - 1;
//UPGRADE_ISSUE: Method 'java.io.InputStream.markSupported' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaioInputStreammarkSupported"'
if (sourceStream.markSupported())
{
//UPGRADE_ISSUE: Method 'java.io.InputStream.mark' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaioInputStreammark_int"'
sourceStream.mark(- 1);
frameCount = countFrames(sourceStream);
//UPGRADE_ISSUE: Method 'java.io.InputStream.reset' was not converted. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1000_javaioInputStreamreset"'
sourceStream.reset();
}
progressListener.converterUpdate(javazoom.jl.converter.Converter.ProgressListener_Fields.UPDATE_FRAME_COUNT, frameCount, 0);
Obuffer output = null;
Decoder decoder = new Decoder(decoderParams);
Bitstream stream = new Bitstream(sourceStream);
if (frameCount == - 1)
frameCount = System.Int32.MaxValue;
int frame = 0;
long startTime = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
try
{
for (; frame < frameCount; frame++)
{
try
{
Header header = stream.readFrame();
if (header == null)
break;
progressListener.readFrame(frame, header);
if (output == null)
{
// REVIEW: Incorrect functionality.
// the decoder should provide decoded
// frequency and channels output as it may differ from
// the source (e.g. when downmixing stereo to mono.)
int channels = (header.mode() == Header.SINGLE_CHANNEL)?1:2;
int freq = header.frequency();
output = new WaveFileObuffer(channels, freq, destName);
decoder.OutputBuffer = output;
}
Obuffer decoderOutput = decoder.decodeFrame(header, stream);
// REVIEW: the way the output buffer is set
// on the decoder is a bit dodgy. Even though
// this exception should never happen, we test to be sure.
if (decoderOutput != output)
throw new System.ApplicationException("Output buffers are different.");
progressListener.decodedFrame(frame, header, output);
stream.closeFrame();
}
catch (System.Exception ex)
{
bool stop = !progressListener.converterException(ex);
if (stop)
{
throw new JavaLayerException(ex.Message, ex);
}
}
}
}
finally
{
if (output != null)
output.close();
}
int time = (int) ((System.DateTime.Now.Ticks - 621355968000000000) / 10000 - startTime);
progressListener.converterUpdate(javazoom.jl.converter.Converter.ProgressListener_Fields.UPDATE_CONVERT_COMPLETE, time, frame);
}
catch (System.IO.IOException ex)
{
throw new JavaLayerException(ex.Message, ex);
}
}
}
//UPGRADE_NOTE: Synchronized keyword was removed from method 'open'. Lock expression was added. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1027"'
/// <summary> Opens this audio device.
///
/// </summary>
/// <param name="decoder The">decoder that will provide audio data
/// to this audio device.
///
/// </param>
public virtual void open(Decoder decoder)
{
lock (this)
{
if (!Open)
{
this.decoder = decoder;
openImpl();
Open = true;
}
}
}
public virtual void convert(System.String sourceName, System.String destName, ProgressListener progressListener, Decoder.Params decoderParams)
{
if (destName.Length == 0)
destName = null;
try
{
System.IO.Stream in_Renamed = openInput(sourceName);
convert(in_Renamed, destName, progressListener, decoderParams);
in_Renamed.Close();
}
catch (System.IO.IOException ioe)
{
throw new JavaLayerException(ioe.Message, ioe);
}
}
//UPGRADE_NOTE: Synchronized keyword was removed from method 'close'. Lock expression was added. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1027"'
/// <summary> Closes this audio device. If the device is currently playing
/// audio, playback is stopped immediately without flushing
/// any buffered audio data.
/// </summary>
public virtual void close()
{
lock (this)
{
if (Open)
{
closeImpl();
Open = false;
decoder = null;
}
}
}
