/// <summary>
/// this is callback from remote host side to get asset associated with checksum from VS.
/// </summary>
public async Task RequestAssetAsync(int sessionId, byte[][] checksums, string streamName)
{
try
{
Contract.ThrowIfFalse(_owner._currentSessionId == sessionId);
using (Logger.LogBlock(FunctionId.JsonRpcSession_RequestAssetAsync, streamName, _source.Token))
using (var stream = await DirectStream.GetAsync(streamName, _source.Token).ConfigureAwait(false))
{
using (var writer = new StreamObjectWriter(stream))
{
writer.WriteInt32(sessionId);
await WriteAssetAsync(writer, checksums).ConfigureAwait(false);
}
await stream.FlushAsync(_source.Token).ConfigureAwait(false);
}
}
catch (IOException)
{
// remote host side is cancelled (client stream connection is closed)
// can happen if pinned solution scope is disposed
}
catch (OperationCanceledException)
{
// rpc connection is closed.
// can happen if pinned solution scope is disposed
}
}
/// <summary>
/// this is callback from remote host side to get asset associated with checksum from VS.
/// </summary>
public async Task RequestAssetAsync(int serviceId, byte[][] checksums, string streamName)
{
try
{
using (var stream = await DirectStream.GetAsync(streamName, _source.Token).ConfigureAwait(false))
{
using (var writer = new ObjectWriter(stream))
{
writer.WriteInt32(serviceId);
await WriteAssetAsync(writer, checksums).ConfigureAwait(false);
}
await stream.FlushAsync(_source.Token).ConfigureAwait(false);
}
}
catch (IOException)
{
// remote host side is cancelled (client stream connection is closed)
// can happen if pinned solution scope is disposed
}
catch (OperationCanceledException)
{
// rpc connection is closed.
// can happen if pinned solution scope is disposed
}
}
/// <summary>
/// this is callback from remote host side to get asset associated with checksum from VS.
/// </summary>
public async Task RequestAssetAsync(int scopeId, Checksum[] checksums, string streamName)
{
try
{
using (Logger.LogBlock(FunctionId.JsonRpcSession_RequestAssetAsync, streamName, _source.Token))
using (var stream = await DirectStream.GetAsync(streamName, _source.Token).ConfigureAwait(false))
{
var scope = _owner.PinnedRemotableDataScope;
using (var writer = new ObjectWriter(stream))
{
writer.WriteInt32(scopeId);
await WriteAssetAsync(writer, scope, checksums).ConfigureAwait(false);
}
await stream.FlushAsync(_source.Token).ConfigureAwait(false);
}
}
catch (IOException)
{
// remote host side is cancelled (client stream connection is closed)
// can happen if pinned solution scope is disposed
}
catch (OperationCanceledException)
{
// rpc connection is closed.
// can happen if pinned solution scope is disposed
}
}
/// <summary>
/// this is callback from remote host side to get asset associated with checksum from VS.
/// </summary>
public async Task RequestAssetAsync(int scopeId, Checksum[] checksums, string streamName, CancellationToken cancellationToken)
{
try
{
using (var source = CancellationTokenSource.CreateLinkedTokenSource(_shutdownCancellationSource.Token, cancellationToken))
using (Logger.LogBlock(FunctionId.JsonRpcSession_RequestAssetAsync, streamName, source.Token))
using (var stream = await DirectStream.GetAsync(streamName, source.Token).ConfigureAwait(false))
{
using (var writer = new ObjectWriter(stream, source.Token))
{
writer.WriteInt32(scopeId);
await WriteAssetAsync(writer, scopeId, checksums, source.Token).ConfigureAwait(false);
}
await stream.FlushAsync(source.Token).ConfigureAwait(false);
}
}
catch (IOException)
{
// direct stream can throw if cancellation happens since direct stream still uses
// disconnection for cancellation
}
catch (OperationCanceledException)
{
// this can happen if connection got shutdown
}
}
/// <summary>
/// this is callback from remote host side to get asset associated with checksum from VS.
/// </summary>
public async Task RequestAssetAsync(int serviceId, byte[] checksum, string streamName)
{
try
{
var service = ChecksumScope.Workspace.Services.GetRequiredService <ISolutionChecksumService>();
using (var stream = await DirectStream.GetAsync(streamName, _source.Token).ConfigureAwait(false))
{
using (var writer = new ObjectWriter(stream))
{
writer.WriteInt32(serviceId);
writer.WriteArray(checksum);
var checksumObject = service.GetChecksumObject(new Checksum(checksum), _source.Token);
writer.WriteString(checksumObject.Kind);
await checksumObject.WriteToAsync(writer, _source.Token).ConfigureAwait(false);
}
await stream.FlushAsync(_source.Token).ConfigureAwait(false);
}
}
catch (IOException)
{
// remote host side is cancelled (client stream connection is closed)
// can happen if pinned solution scope is disposed
}
catch (OperationCanceledException)
{
// rpc connection is closed.
// can happen if pinned solution scope is disposed
}
}
private static void SynthToCam(string text, CameraWindow cw)
{
var synthFormat = new System.Speech.AudioFormat.SpeechAudioFormatInfo(System.Speech.AudioFormat.EncodingFormat.Pcm, 11025, 16, 1, 22100, 2, null);
using (var synthesizer = new SpeechSynthesizer())
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Count());
var pbuilder = new PromptBuilder();
var pStyle = new PromptStyle
{
Emphasis = PromptEmphasis.Strong,
Rate = PromptRate.Slow,
Volume = PromptVolume.ExtraLoud
};
pbuilder.StartStyle(pStyle);
pbuilder.StartParagraph();
pbuilder.StartVoice(VoiceGender.Male, VoiceAge.Adult, 2);
pbuilder.StartSentence();
pbuilder.AppendText(text);
pbuilder.EndSentence();
pbuilder.EndVoice();
pbuilder.EndParagraph();
pbuilder.EndStyle();
synthesizer.SetOutputToAudioStream(waveStream, synthFormat);
synthesizer.Speak(pbuilder);
synthesizer.SetOutputToNull();
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Count());
waveStream.Seek(0, SeekOrigin.Begin);
var ds = new DirectStream(waveStream)
{
RecordingFormat = new WaveFormat(11025, 16, 1)
};
var talkTarget = TalkHelper.GetTalkTarget(cw.Camobject, ds);
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
talkTarget.Stop();
talkTarget = null;
ds = null;
waveStream.Close();
}
}
}
private static void SynthToCam(string fileName, CameraWindow cw)
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Count());
//read in and convert the wave stream into our format
using (var reader = new WaveFileReader(fileName))
{
var newFormat = new WaveFormat(11025, 16, 1);
byte[] buff = new byte[22050];
using (var conversionStream = new WaveFormatConversionStream(newFormat, reader))
{
do
{
int i = conversionStream.Read(buff, 0, 22050);
waveStream.Write(buff, 0, i);
if (i < 22050)
{
break;
}
} while (true);
}
}
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Count());
waveStream.Seek(0, SeekOrigin.Begin);
var ds = new DirectStream(waveStream)
{
RecordingFormat = new WaveFormat(11025, 16, 1)
};
var talkTarget = TalkHelper.GetTalkTarget(cw.Camobject, ds);
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
talkTarget.Stop();
talkTarget = null;
ds = null;
waveStream.Close();
}
}
/// <summary>
/// this is callback from remote host side to get asset associated with checksum from VS.
/// </summary>
public async Task RequestAssetAsync(int scopeId, Checksum[] checksums, string streamName, CancellationToken cancellationToken)
{
try
{
using (var combinedCancellationToken = _shutdownCancellationSource.Token.CombineWith(cancellationToken))
using (Logger.LogBlock(FunctionId.JsonRpcSession_RequestAssetAsync, streamName, combinedCancellationToken.Token))
using (var stream = await DirectStream.GetAsync(streamName, combinedCancellationToken.Token).ConfigureAwait(false))
{
using (var writer = new ObjectWriter(stream, combinedCancellationToken.Token))
{
writer.WriteInt32(scopeId);
await WriteAssetAsync(writer, scopeId, checksums, combinedCancellationToken.Token).ConfigureAwait(false);
}
await stream.FlushAsync(combinedCancellationToken.Token).ConfigureAwait(false);
}
}
catch (Exception ex) when(ReportUnlessCanceled(ex, cancellationToken))
{
// only expected exception will be catched. otherwise, NFW and let it propagate
Debug.Assert(cancellationToken.IsCancellationRequested || ex is IOException);
}
}
private static void SynthToCam(string fileName, CameraWindow cw)
{
try
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Length);
var newFormat = new WaveFormat(11025, 16, 1);
try
{
if (File.Exists(fileName))
{
//read in and convert the wave stream into our format
var reader = new WaveFileReader(fileName);
var buff = new byte[22050];
using (var conversionStream = new WaveFormatConversionStream(newFormat, reader))
{
while (true)
{
var i = conversionStream.Read(buff, 0, buff.Length);
waveStream.Write(buff, 0, i);
if (i < 22050)
{
break;
}
}
}
}
else
{
throw null;
}
}
catch
{
const int BUFFER_LIMIT = 1024000;
using (var ar = new AudioReader(newFormat.SampleRate, newFormat.Channels))
{
ar.ReadSamples(fileName, (b, c) =>
{
waveStream.Write(b, 0, c);
return(waveStream.Length >= BUFFER_LIMIT);
});
}
}
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Length);
waveStream.Seek(0, SeekOrigin.Begin);
var ds = new DirectStream(waveStream)
{
RecordingFormat = new WaveFormat(11025, 16, 1)
};
var talkTarget = TalkHelper.GetTalkTarget(cw.Camobject, ds);
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
talkTarget.Stop();
talkTarget = null;
ds = null;
}
}
catch (Exception ex)
{
Logger.LogException(ex, "SynthToCam");
}
}
private static void SynthToCam(string text, CameraWindow cw)
{
var synthFormat = new System.Speech.AudioFormat.SpeechAudioFormatInfo(System.Speech.AudioFormat.EncodingFormat.Pcm, 11025, 16, 1, 22100, 2, null);
using (var synthesizer = new SpeechSynthesizer())
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Count());
var pbuilder = new PromptBuilder();
var pStyle = new PromptStyle
{
Emphasis = PromptEmphasis.Strong,
Rate = PromptRate.Slow,
Volume = PromptVolume.ExtraLoud
};
pbuilder.StartStyle(pStyle);
pbuilder.StartParagraph();
pbuilder.StartVoice(VoiceGender.Male, VoiceAge.Adult, 2);
pbuilder.StartSentence();
pbuilder.AppendText(text);
pbuilder.EndSentence();
pbuilder.EndVoice();
pbuilder.EndParagraph();
pbuilder.EndStyle();
synthesizer.SetOutputToAudioStream(waveStream, synthFormat);
synthesizer.Speak(pbuilder);
synthesizer.SetOutputToNull();
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Count());
waveStream.Seek(0, SeekOrigin.Begin);
ITalkTarget talkTarget = null;
var ds = new DirectStream(waveStream)
{
RecordingFormat = new WaveFormat(11025, 16, 1)
};
switch (cw.Camobject.settings.audiomodel)
{
case "Foscam":
ds.Interval = 40;
ds.PacketSize = 882; // (40ms packet at 22050 bytes per second)
talkTarget = new TalkFoscam(cw.Camobject.settings.audioip, cw.Camobject.settings.audioport,
cw.Camobject.settings.audiousername,
cw.Camobject.settings.audiopassword, ds);
break;
case "NetworkKinect":
ds.Interval = 40;
ds.PacketSize = 882;
talkTarget = new TalkNetworkKinect(cw.Camobject.settings.audioip, cw.Camobject.settings.audioport, ds);
break;
case "iSpyServer":
ds.Interval = 40;
ds.PacketSize = 882;
talkTarget = new TalkiSpyServer(cw.Camobject.settings.audioip,
cw.Camobject.settings.audioport,
ds);
break;
case "Axis":
talkTarget = new TalkAxis(cw.Camobject.settings.audioip, cw.Camobject.settings.audioport,
cw.Camobject.settings.audiousername,
cw.Camobject.settings.audiopassword, ds);
break;
default:
//local playback
talkTarget = new TalkLocal(ds);
break;
}
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
if (talkTarget != null)
{
talkTarget.Stop();
}
talkTarget = null;
ds = null;
waveStream.Close();
}
}
}
private static void SynthToCam(string fileName, CameraWindow cw)
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Count());
//read in and convert the wave stream into our format
using (var reader = new WaveFileReader(fileName))
{
var newFormat = new WaveFormat(11025, 16, 1);
byte[] buff = new byte[22050];
using (var conversionStream = new WaveFormatConversionStream(newFormat, reader))
{
do
{
int i = conversionStream.Read(buff, 0, 22050);
waveStream.Write(buff, 0, i);
if (i < 22050)
{
break;
}
} while (true);
}
}
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Count());
waveStream.Seek(0, SeekOrigin.Begin);
ITalkTarget talkTarget;
var ds = new DirectStream(waveStream)
{
RecordingFormat = new WaveFormat(11025, 16, 1)
};
switch (cw.Camobject.settings.audiomodel)
{
case "Foscam":
ds.Interval = 40;
ds.PacketSize = 882; // (40ms packet at 22050 bytes per second)
talkTarget = new TalkFoscam(cw.Camobject.settings.audioip, cw.Camobject.settings.audioport,
cw.Camobject.settings.audiousername,
cw.Camobject.settings.audiopassword, ds);
break;
case "NetworkKinect":
ds.Interval = 40;
ds.PacketSize = 882;
talkTarget = new TalkNetworkKinect(cw.Camobject.settings.audioip, cw.Camobject.settings.audioport, ds);
break;
case "iSpyServer":
ds.Interval = 40;
ds.PacketSize = 882;
talkTarget = new TalkiSpyServer(cw.Camobject.settings.audioip,
cw.Camobject.settings.audioport,
ds);
break;
case "Axis":
talkTarget = new TalkAxis(cw.Camobject.settings.audioip, cw.Camobject.settings.audioport,
cw.Camobject.settings.audiousername,
cw.Camobject.settings.audiopassword, ds);
break;
default:
//local playback
talkTarget = new TalkLocal(ds);
break;
}
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
if (talkTarget != null)
{
talkTarget.Stop();
}
talkTarget = null;
ds = null;
waveStream.Close();
}
}
