private void InternalStopStream()
{
if (playbackState != StreamingPlaybackState.Stopped)
{
if (!fullyDownloaded)
{
try
{
webRequest.Abort();
}
catch { }
}
playbackState = StreamingPlaybackState.Stopped;
if (waveOut != null)
{
try
{
waveOut.Stop();
waveOut.Dispose();
}
finally
{
waveOut = null;
}
}
if (processorWaveProvider != null)
{
try
{
processorWaveProvider.Dispose();
}
finally
{
processorWaveProvider = null;
}
}
FirePropertyChangedAction(false);
//SmartSleep(1500, "InternalStopStream");
}
}
public WaveInChannelProcessor(string streamName, string waveInSourceName, int waveInChannel, Common.ProcessRadioSignalingItemDelegate sigDelegate, Action <bool> propertyChangedAction, float initialVolume, bool recordingEnabled, Common.SignalRecordingType recordingType, int recordingKickTime, Common.NoiseFloor noiseFloor, int customNoiseFloor, bool removeNoise, bool decodeMDC1200, bool decodeGEStar, bool decodeFleetSync, bool decodeP25, string waveOutDevName)
{
_streamShouldPlay = true;
_streamName = streamName;
_waveInSourceName = waveInSourceName;
_waveInChannel = waveInChannel;
_sigDelegate = sigDelegate;
_propertyChangedAction = propertyChangedAction;
sourceActive = false;
_recordingEnabled = recordingEnabled;
_recordingType = recordingType;
_recordingKickTime = recordingKickTime;
_noiseFloor = noiseFloor;
_customNoiseFloor = customNoiseFloor;
_removeNoise = removeNoise;
_decodeMDC1200 = decodeMDC1200;
_decodeGEStar = decodeGEStar;
_decodeFleetSync = decodeFleetSync;
_decodeP25 = decodeP25;
_waveOutDevName = waveOutDevName;
bufferedWaveProvider = new BufferedWaveProvider(AudioProcessingGlobals.GetWaveFormatForChannels(1));
bufferedWaveProvider.BufferDuration = TimeSpan.FromSeconds(3);
processorWaveProvider = new ProcessorWaveProvider(streamName, bufferedWaveProvider, ProcessRadioSignalingItem, propertyChangedAction, recordingEnabled, recordingType, recordingKickTime, noiseFloor, customNoiseFloor, removeNoise, decodeMDC1200, decodeGEStar, decodeFleetSync, decodeP25);
volumeProvider = new VolumeWaveProvider16(processorWaveProvider);
volumeProvider.Volume = initialVolume;
FirePropertyChangedAction(true);
WaveInManager.Instance.SetupForProcessor(this);
sourceActive = true;
waveOut = CreateWaveOut();
waveOut.Init(volumeProvider);
waveOut.Play();
}
private void WaveStreamProc()
{
string icyStreamName = string.Empty;
while (_streamShouldPlay)
{
ResetFeedInactivityTimeout();
SetFeedActive(true, false);
System.Threading.Thread.Sleep(new System.Random().Next(100, 1500));
try
{
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.DarkCyan, "Initiating connection to {0}", _streamName);
playbackState = StreamingPlaybackState.Buffering;
FirePropertyChangedAction(false);
bufferedWaveProvider = null;
fullyDownloaded = false;
webRequest = (HttpWebRequest)WebRequest.Create(Common.UrlHelper.GetCorrectedStreamURL(_streamURL));
//webRequest.Timeout = webRequest.Timeout * 20;
/*test - start*/
webRequest.Headers.Clear();
webRequest.Headers.Add("Icy-MetaData", "1");
SetupWebRequestSettings(webRequest);
/*test - end*/
HttpWebResponse resp;
try
{
resp = SmartGetWebResponse(webRequest);// (HttpWebResponse)webRequest.GetResponse();
string newUrl = string.Empty;
if (!ValidateResponse(resp, out newUrl, out icyStreamName))
{
if (!string.IsNullOrWhiteSpace(newUrl))
{
webRequest = (HttpWebRequest)WebRequest.Create(newUrl);
//webRequest.Timeout = webRequest.Timeout * 20;
/*test - start*/
webRequest.Headers.Clear();
webRequest.Headers.Add("Icy-MetaData", "1");
SetupWebRequestSettings(webRequest);
/*test - end*/
resp = SmartGetWebResponse(webRequest);// (HttpWebResponse)webRequest.GetResponse();
PrintHttpWebResponseHeader(resp, "WaveStreamProc.Redirected", out icyStreamName);
}
}
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.ProtocolError)
{
Common.DebugHelper.WriteExceptionToLog("WaveStreamProcessor.WebRequest.GetResponse", e, false, _streamURL);
try
{
System.Net.HttpWebResponse httpRes = e.Response as System.Net.HttpWebResponse;
if (httpRes != null && httpRes.StatusCode == HttpStatusCode.NotFound)
{
SetFeedActive(false, false);
}
}
catch { }
}
if (e.Status != WebExceptionStatus.RequestCanceled)
{
//ConsoleHelper.ColorWriteLine(ConsoleColor.Red, "WaveStreamProcessor Error: {0}", e.Message);
//Common.DebugHelper.WriteExceptionToLog("WaveStreamProcessor Error", e, false);
InternalStopStream();
ClearStreamTitle();
SmartSleep(30 * 1000, string.Format("WebRequest.GetResponse: {0}", e.Status));
}
continue;
}
var buffer = new byte[16348 * 4];
IMp3FrameDecompressor decompressor = null;
try
{
int metaInt = -1;
bool bIsIcy = IsIcecastStream(resp, out metaInt);
if (!bIsIcy)
{
metaInt = -1;
}
using (var responseStream = resp.GetResponseStream())
{
Stream readFullyStream = null;
if (!string.IsNullOrWhiteSpace(icyStreamName))
{
UpdateStreamTitle(icyStreamName, false);
FirePropertyChangedAction(true);
}
if (bIsIcy && metaInt > 0)
{
readFullyStream = new ReadFullyStream(new IcyStream(responseStream, metaInt, ProcessIcyMetadata));
}
else
{
readFullyStream = new ReadFullyStream(responseStream);
}
do
{
if (IsBufferNearlyFull)
{
SmartSleep(500);
//ConsoleHelper.ColorWriteLine(ConsoleColor.DarkCyan, "Buffer is getting full, taking a break, {0}sec...", bufferedWaveProvider.BufferedDuration.TotalSeconds);
//ConsoleHelper.ColorWriteLine(ConsoleColor.DarkCyan, " {0}", _streamURL);
}
else
{
Mp3Frame frame;
try
{
frame = Mp3Frame.LoadFromStream(readFullyStream);
}
catch (EndOfStreamException eose)
{
fullyDownloaded = true;
SmartSleep(1500, "EndOfStreamException");
if (playbackState != StreamingPlaybackState.Stopped)
{
Common.DebugHelper.WriteExceptionToLog("Mp3Frame.LoadFromStream", eose, false, _streamURL);
}
continue;
}
catch (WebException wex)
{
InternalStopStream();
SmartSleep(3 * 60 * 1000, "WebException");
if (playbackState != StreamingPlaybackState.Stopped)
{
Common.DebugHelper.WriteExceptionToLog("Mp3Frame.LoadFromStream", wex, false, _streamURL);
}
continue;
}
if (frame != null)
{
KickFeedInactivityTimeout();
SetFeedActive(true, true);
if (decompressor == null)
{
try
{
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.DarkGray, "Creating MP3 Decompressor for {0}...", _streamURL);
decompressor = CreateFrameDecompressor(frame);
bufferedWaveProvider = new BufferedWaveProvider(decompressor.OutputFormat);
bufferedWaveProvider.BufferDuration = TimeSpan.FromSeconds(20);
processorWaveProvider = new ProcessorWaveProvider(_streamName, bufferedWaveProvider, _sigDelegate, _propertyChangedAction, _recordingEnabled, _recordingType, _recordingKickTime, _noiseFloor, _customNoiseFloor, _removeNoise, _decodeMDC1200, _decodeGEStar, _decodeFleetSync, _decodeP25);
//volumeProvider = new VolumeWaveProvider16(bufferedWaveProvider);
volumeProvider = new VolumeWaveProvider16(processorWaveProvider);
volumeProvider.Volume = _initialVolume;
waveOut = CreateWaveOut();
waveOut.Init(volumeProvider);
FirePropertyChangedAction(false);
}
catch (Exception ex)
{
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.Red, "Excpetion in stream {0}: {1}", _streamURL, ex.Message);
Common.DebugHelper.WriteExceptionToLog("WaveStreamProcessor", ex, false, string.Format("Exception in stream {0}", _streamURL));
InternalStopStream();
SmartSleep(3 * 60 * 1000, "Exception:CreateFrameDecompressor");
continue;
}
}
int decompressed = decompressor.DecompressFrame(frame, buffer, 0);
bufferedWaveProvider.AddSamples(buffer, 0, decompressed);
var bufferedSeconds = bufferedWaveProvider.BufferedDuration.TotalSeconds;
if (bufferedSeconds < 0.5 && playbackState == StreamingPlaybackState.Playing && !fullyDownloaded)
{
playbackState = StreamingPlaybackState.Buffering;
FirePropertyChangedAction(false);
waveOut.Pause();
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.DarkRed, "Stream Paused... Buffering... {0}", _streamURL);
}
else if (bufferedSeconds > 4 && playbackState == StreamingPlaybackState.Buffering)
{
waveOut.Play();
playbackState = StreamingPlaybackState.Playing;
FirePropertyChangedAction(false);
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.DarkGreen, "Stream Playing... {0}", _streamURL);
}
}
else
{
if (IsFeedInactive())
{
try
{
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.DarkYellow, "Restarting {0} due to inactivity...", _streamName);
InternalStopStream();
}
finally
{
LongSmartSleep(FEED_NOT_ACTIVE_SLEEP_SECS, "WaveStreamProc.IsFeedInactive");
}
}
}
}
}while (playbackState != StreamingPlaybackState.Stopped);
if (decompressor != null)
{
try
{
decompressor.Dispose();
}
finally
{
decompressor = null;
}
}
}
}
finally
{
if (decompressor != null)
{
try
{
decompressor.Dispose();
}
finally
{
decompressor = null;
}
}
}
}
catch (Exception ex)
{
#if DEBUG
Common.DebugHelper.WriteExceptionToLog("WaveStreamProc", ex, false, "General Catch");
#endif
try
{
InternalStopStream();
}
finally
{
LongSmartSleep(15, "WaveStreamProc");
}
}
}
}
