//------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// Provides a pcm stream that can be used to a waveout device (i.e. speakers)
/// or can write pcm samples to a System.IO.Stream
/// </summary>
public void Start()
{
//declares
IMp3FrameDecompressor decompressor = null;
HttpWebResponse resp = null;
IsActive = true;
//init state to buffering
playbackState = StreamingPlaybackState.Buffering;
//do web request
var webRequest = (HttpWebRequest)WebRequest.Create(this.mp3url);
try
{
resp = (HttpWebResponse)webRequest.GetResponse();
}
catch (Exception ex)
{
DebugEx.Assert(ex);
}
if (resp == null)
{
return;
}
//local buffer that is overriden each time a mp3 frame is decompressed
var buffer = new byte[16384 * 4];
var respStream = resp.GetResponseStream();
var readFullyStream = new ReadFullyStream(respStream);
//Streaming Loop
try
{
while (playbackState != StreamingPlaybackState.Stopped)
{
//get frame
Mp3Frame frame;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (Exception ex)
{
DebugEx.TraceError(ex.Message);
break;
}
//get the codec info from the first frame
if (decompressor == null)
{
decompressor = Tools.CreateFrameDecompressor(frame);
audioFormat = new AudioFormat(decompressor.OutputFormat.SampleRate, (ushort)decompressor.OutputFormat.BitsPerSample, (ushort)decompressor.OutputFormat.Channels);
if (OnPCMStart != null)
{
OnPCMStart(this, decompressor.OutputFormat);
}
}
//write decompressed (pcm) samples to local buffer
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
if (IsActive)
{
//fire event
if (OnAudioDataCaptured != null)
{
OnAudioDataCaptured(this, new AudioEventArgs(buffer, decompressed));
}
}
}
}
catch (Exception ex)
{
DebugEx.TraceError(ex.Message);
}
}
//------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// Provides a pcm stream that can be used to a waveout device (i.e. speakers)
/// or can write pcm samples to a System.IO.Stream
/// </summary>
public void Start()
{
//declares
IMp3FrameDecompressor decompressor = null;
HttpWebResponse resp = null;
IsActive = true;
//init state to buffering
playbackState = StreamingPlaybackState.Buffering;
//do web request
var webRequest = (HttpWebRequest)WebRequest.Create(this.mp3url);
try
{
resp = (HttpWebResponse)webRequest.GetResponse();
}
catch (Exception ex)
{
DebugEx.Assert(ex);
}
if (resp == null)
return;
//local buffer that is overriden each time a mp3 frame is decompressed
var buffer = new byte[16384 * 4];
var respStream = resp.GetResponseStream();
var readFullyStream = new ReadFullyStream(respStream);
//Streaming Loop
try
{
while (playbackState != StreamingPlaybackState.Stopped)
{
//get frame
Mp3Frame frame;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (Exception ex)
{
DebugEx.TraceError(ex.Message);
break;
}
//get the codec info from the first frame
if (decompressor == null)
{
decompressor = Tools.CreateFrameDecompressor(frame);
audioFormat = new AudioFormat(decompressor.OutputFormat.SampleRate, (ushort)decompressor.OutputFormat.BitsPerSample, (ushort)decompressor.OutputFormat.Channels);
if (OnPCMStart != null)
OnPCMStart(this, decompressor.OutputFormat);
}
//write decompressed (pcm) samples to local buffer
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
if (IsActive)
{
//fire event
if (OnAudioDataCaptured != null)
OnAudioDataCaptured(this, new AudioEventArgs(buffer, decompressed));
}
}
}
catch (Exception ex)
{
DebugEx.TraceError(ex.Message);
}
}
