private void StreamMp3(object state)
{
fullyDownloaded = false;
var url = (string)state;
webRequest = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse resp;
try
{
resp = (HttpWebResponse)webRequest.GetResponse();
}
catch (WebException e)
{
if (e.Status != WebExceptionStatus.RequestCanceled)
{
ShowError(e.Message);
}
return;
}
var buffer = new byte[16384 * 4];
IMp3FrameDecompressor decompressor = null;
try
{
using (var responseStream = resp.GetResponseStream())
{
var readFullyStream = new ReadFullyStream(responseStream);
do
{
if (IsBufferNearlyFull)
{
Debug.WriteLine("Buffer getting full, taking a break");
Thread.Sleep(500);
}
else
{
Mp3Frame frame;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (EndOfStreamException)
{
fullyDownloaded = true;
break;
}
if (decompressor == null)
{
decompressor = CreateFrameDecompressor(frame);
bufferedWaveProvider = new BufferedWaveProvider(decompressor.OutputFormat);
bufferedWaveProvider.BufferDuration = TimeSpan.FromSeconds(20);
}
if (frame!= null) {
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
bufferedWaveProvider.AddSamples(buffer, 0, decompressed);}
}
} while (playbackState != StreamingPlaybackState.Stopped);
Debug.WriteLine("Exiting");
decompressor.Dispose();
}
}
finally
{
if (decompressor != null)
{
decompressor.Dispose();
}
}
}
private void StreamMP3()
{
var webRequest = (HttpWebRequest)WebRequest.Create(_source);
HttpWebResponse resp = null;
try
{
resp = (HttpWebResponse)webRequest.GetResponse();
}
catch (WebException e)
{
if (e.Status != WebExceptionStatus.RequestCanceled)
{
}
return;
}
byte[] buffer = new byte[16384 * 4]; // needs to be big enough to hold a decompressed frame
IMp3FrameDecompressor decompressor = null;
try
{
using (var responseStream = resp.GetResponseStream())
{
var readFullyStream = new ReadFullyStream(responseStream);
while (!_stopEvent.WaitOne(0, false))
{
if (_bufferedWaveProvider != null && _bufferedWaveProvider.BufferLength - _bufferedWaveProvider.BufferedBytes < _bufferedWaveProvider.WaveFormat.AverageBytesPerSecond / 4)
{
//Debug.WriteLine("Buffer getting full, taking a break");
Thread.Sleep(100);
}
else
{
Mp3Frame frame = null;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (EndOfStreamException)
{
// reached the end of the MP3 file / stream
break;
}
catch (WebException)
{
// probably we have aborted download from the GUI thread
break;
}
if (decompressor == null)
{
// don't think these details matter too much - just help ACM select the right codec
// however, the buffered provider doesn't know what sample rate it is working at
// until we have a frame
WaveFormat waveFormat = new Mp3WaveFormat(frame.SampleRate, frame.ChannelMode == ChannelMode.Mono ? 1 : 2, frame.FrameLength, frame.BitRate);
decompressor = new AcmMp3FrameDecompressor(waveFormat);
this._bufferedWaveProvider = new BufferedWaveProvider(decompressor.OutputFormat)
{BufferDuration = TimeSpan.FromSeconds(5)};
_waveOut = new DirectSoundOut(1000);
_waveOut.Init(_bufferedWaveProvider);
_waveOut.Play();
_waveOut.PlaybackStopped += wavePlayer_PlaybackStopped;
}
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
//Debug.WriteLine(String.Format("Decompressed a frame {0}", decompressed));
_bufferedWaveProvider.AddSamples(buffer, 0, decompressed);
}
if (_stopEvent.WaitOne(0, false))
break;
}
Debug.WriteLine("Exiting");
// was doing this in a finally block, but for some reason
// we are hanging on response stream .Dispose so never get there
if (decompressor != null) {
decompressor.Dispose();
decompressor = null;
}
}
}
finally
{
if (decompressor != null)
{
decompressor.Dispose();
}
if (_waveOut!=null)
{
_waveOut.Stop();
}
}
}
private void StreamMp3(object state)
{
this.fullyDownloaded = false;
HttpWebResponse resp = null;
try
{
resp = (HttpWebResponse)webRequest.GetResponse();
}
catch (WebException e)
{
if (e.Status != WebExceptionStatus.RequestCanceled)
{
PackageHost.WriteError("Error HTTP: " + e.Message);
Manager.Instance.Stop();
}
return;
}
var buffer = new byte[16384 * 4]; // needs to be big enough to hold a decompressed frame
IMp3FrameDecompressor decompressor = null;
try
{
using (var responseStream = resp.GetResponseStream())
{
var readFullyStream = new ReadFullyStream(responseStream);
do
{
if (IsBufferNearlyFull)
{
System.Diagnostics.Debug.WriteLine("Buffer getting full, taking a break");
Thread.Sleep(500);
}
else
{
Mp3Frame frame;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (EndOfStreamException)
{
fullyDownloaded = true;
// reached the end of the MP3 file / stream
break;
}
catch (WebException)
{
// probably we have aborted download from the GUI thread
break;
}
if (decompressor == null)
{
// don't think these details matter too much - just help ACM select the right codec
// however, the buffered provider doesn't know what sample rate it is working at
// until we have a frame
decompressor = CreateFrameDecompressor(frame);
bufferedWaveProvider = new BufferedWaveProvider(decompressor.OutputFormat);
bufferedWaveProvider.BufferDuration = TimeSpan.FromSeconds(20); // allow us to get well ahead of ourselves
//this.bufferedWaveProvider.BufferedDuration = 250;
}
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
//Debug.WriteLine(String.Format("Decompressed a frame {0}", decompressed));
bufferedWaveProvider.AddSamples(buffer, 0, decompressed);
}
}while (playbackState != StreamingPlaybackState.Stopped);
// ######## Exiting ########
// was doing this in a finally block, but for some reason
// we are hanging on response stream .Dispose so never get there
decompressor.Dispose();
}
}
finally
{
if (decompressor != null)
{
decompressor.Dispose();
}
}
}
private void StreamMP3()
{
var webRequest = (HttpWebRequest)WebRequest.Create(_source);
HttpWebResponse resp = null;
try
{
resp = (HttpWebResponse)webRequest.GetResponse();
}
catch (WebException e)
{
if (e.Status != WebExceptionStatus.RequestCanceled)
{
}
return;
}
byte[] buffer = new byte[16384 * 4]; // needs to be big enough to hold a decompressed frame
IMp3FrameDecompressor decompressor = null;
try
{
using (var responseStream = resp.GetResponseStream())
{
var readFullyStream = new ReadFullyStream(responseStream);
while (!_stopEvent.WaitOne(0, false))
{
if (_bufferedWaveProvider != null && _bufferedWaveProvider.BufferLength - _bufferedWaveProvider.BufferedBytes < _bufferedWaveProvider.WaveFormat.AverageBytesPerSecond / 4)
{
//Debug.WriteLine("Buffer getting full, taking a break");
Thread.Sleep(100);
}
else
{
Mp3Frame frame = null;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (EndOfStreamException)
{
// reached the end of the MP3 file / stream
break;
}
catch (WebException)
{
// probably we have aborted download from the GUI thread
break;
}
if (decompressor == null)
{
// don't think these details matter too much - just help ACM select the right codec
// however, the buffered provider doesn't know what sample rate it is working at
// until we have a frame
WaveFormat waveFormat = new Mp3WaveFormat(frame.SampleRate, frame.ChannelMode == ChannelMode.Mono ? 1 : 2, frame.FrameLength, frame.BitRate);
decompressor = new AcmMp3FrameDecompressor(waveFormat);
this._bufferedWaveProvider = new BufferedWaveProvider(decompressor.OutputFormat)
{
BufferDuration = TimeSpan.FromSeconds(5)
};
_waveOut = new DirectSoundOut(1000);
_waveOut.Init(_bufferedWaveProvider);
_waveOut.Play();
_waveOut.PlaybackStopped += wavePlayer_PlaybackStopped;
}
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
//Debug.WriteLine(String.Format("Decompressed a frame {0}", decompressed));
_bufferedWaveProvider.AddSamples(buffer, 0, decompressed);
}
if (_stopEvent.WaitOne(0, false))
{
break;
}
}
Debug.WriteLine("Exiting");
// was doing this in a finally block, but for some reason
// we are hanging on response stream .Dispose so never get there
if (decompressor != null)
{
decompressor.Dispose();
decompressor = null;
}
}
}
finally
{
if (decompressor != null)
{
decompressor.Dispose();
}
if (_waveOut != null)
{
_waveOut.Stop();
}
}
}
private void StreamMP3()
{
HttpWebRequest request = null;
try
{
var resp = ConnectionFactory.GetResponse(_source, false, out request);
var buffer = new byte[16384 * 4]; // needs to be big enough to hold a decompressed frame
IMp3FrameDecompressor decompressor = null;
using (var responseStream = resp.GetResponseStream())
{
var readFullyStream = new ReadFullyStream(responseStream);
while (!_stopEvent.WaitOne(10, false) && !MainForm.ShuttingDown)
{
if (_bufferedWaveProvider != null &&
_bufferedWaveProvider.BufferLength - _bufferedWaveProvider.BufferedBytes <
_bufferedWaveProvider.WaveFormat.AverageBytesPerSecond / 4)
{
//Debug.WriteLine("Buffer getting full, taking a break");
Thread.Sleep(100);
}
else
{
var da = DataAvailable;
if (da != null)
{
Mp3Frame frame;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (EndOfStreamException)
{
// reached the end of the MP3 file / stream
break;
}
catch (WebException)
{
// probably we have aborted download from the GUI thread
break;
}
if (decompressor == null || _bufferedWaveProvider == null)
{
// don't think these details matter too much - just help ACM select the right codec
// however, the buffered provider doesn't know what sample rate it is working at
// until we have a frame
WaveFormat waveFormat = new Mp3WaveFormat(frame.SampleRate,
frame.ChannelMode == ChannelMode.Mono ? 1 : 2, frame.FrameLength, frame.BitRate);
RecordingFormat = new WaveFormat(frame.SampleRate, 16,
frame.ChannelMode == ChannelMode.Mono ? 1 : 2);
decompressor = new AcmMp3FrameDecompressor(waveFormat);
_bufferedWaveProvider = new BufferedWaveProvider(decompressor.OutputFormat)
{
BufferDuration = TimeSpan.FromSeconds(5)
};
_sampleChannel = new SampleChannel(_bufferedWaveProvider);
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
}
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
_bufferedWaveProvider.AddSamples(buffer, 0, decompressed);
var sampleBuffer = new float[buffer.Length];
int read = _sampleChannel.Read(sampleBuffer, 0, buffer.Length);
da(this, new DataAvailableEventArgs((byte[])buffer.Clone(), read));
if (Listening)
{
WaveOutProvider?.AddSamples(buffer, 0, read);
}
}
}
if (_stopEvent.WaitOne(0, false))
{
break;
}
}
AudioFinished?.Invoke(this, new PlayingFinishedEventArgs(ReasonToFinishPlaying.StoppedByUser));
// was doing this in a finally block, but for some reason
// we are hanging on response stream .Dispose so never get there
if (decompressor != null)
{
decompressor.Dispose();
decompressor = null;
}
}
}
catch (Exception ex)
{
var af = AudioFinished;
af?.Invoke(this, new PlayingFinishedEventArgs(ReasonToFinishPlaying.DeviceLost));
MainForm.LogExceptionToFile(ex, "MP3Stream");
}
finally
{
try
{
request?.Abort();
}
catch { }
request = null;
}
}
