/**
* Constructor for WebService
* @param prefix string where the server should listen. Example "http://localhost:8080/"
*/
public WebService(string prefix, Encoder encoder, Streaming streaming)
{
log.Debug("Creating Web Service");
this.dvrbConfig = null;
this.uriPrefixes = new string[] { prefix };
this.encoder = encoder;
this.streaming = streaming;
// Create a listener.
this.listener = new HttpListener();
}
private void UpdateDVRB(Uri uri, string method, string content, HttpListenerContext context)
{
DVRBResult result;
HttpListenerResponse response = context.Response;
try
{
// parse xml body
XmlSchemas.dvrb body = new XmlSchemas.dvrb();
body.ReadXml(new System.IO.StringReader(content));
log.Debug(content);
Encoder.CodecType enc_type = Encoder.CodecType.CBR;
switch (body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].type)
{
case "CBR":
enc_type = Encoder.CodecType.CBR;
break;
case "VBR_QUALITY":
enc_type = Encoder.CodecType.VBR_QUALITY;
break;
case "VBR_BITRATE":
enc_type = Encoder.CodecType.VBR_BITRATE;
break;
case "VBR_PEAK":
enc_type = Encoder.CodecType.VBR_PEAK;
break;
}
if (body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].bitrate.Length == 0)
{
body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].bitrate = "0";
}
if (body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].quality.Length == 0)
{
body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].quality = "0";
}
if (body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].peak.Length == 0)
{
body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].peak = "0";
}
// Set video props.
result = this.encoder.SetVideoParams(
System.Int32.Parse(body.encoding[0].GetvideoRows()[0].width),
System.Int32.Parse(body.encoding[0].GetvideoRows()[0].height),
System.Int32.Parse(body.encoding[0].GetvideoRows()[0].fps),
enc_type,
System.Int32.Parse(body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].bitrate),
System.Int32.Parse(body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].quality),
System.Int32.Parse(body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].peak),
System.UInt64.Parse(body.encoding[0].GetvideoRows()[0].GetvcodecRows()[0].keyframe));
if (!result.Succeeded)
{
throw new System.Exception("wmEncoder.SetVideoParams ERROR: " + result.Description);
}
// Set audio props.
result = this.encoder.SetAudioParams(
System.Int16.Parse(body.encoding[0].GetaudioRows()[0].channels),
System.Int32.Parse(body.encoding[0].GetaudioRows()[0].freq),
System.Int32.Parse(body.encoding[0].GetaudioRows()[0].GetacodecRows()[0].bitrate),
System.Int16.Parse(body.encoding[0].GetaudioRows()[0].bits));
if (!result.Succeeded)
{
throw new System.Exception("wmEncoder.SetAudioParams ERROR: " + result.Description);
}
// Set metadata
result = this.encoder.SetMetadata(
body.metadata[0].title,
body.metadata[0].subject,
body.metadata[0].description,
body.metadata[0].source,
body.metadata[0].language,
body.metadata[0].relation,
body.metadata[0].coverage,
body.metadata[0].creator,
body.metadata[0].publisher,
body.metadata[0].contributor,
body.metadata[0].rights,
body.metadata[0].date,
body.metadata[0].type,
body.metadata[0].format,
body.metadata[0].id);
if (!result.Succeeded)
{
throw new System.Exception("wmEncoder.SetMetadata ERROR: " + result.Description);
}
// Set recording params
if (body.file[0].name.Length > 0 && body.file[0].path.Length > 0 && body.file[0].interval.Length > 0)
{
result = this.encoder.SetRecordParams(body.file[0].name, body.file[0].path, System.Int32.Parse(body.file[0].interval));
if (!result.Succeeded)
{
throw new System.Exception("wmEncoder.SetRecordParams ERROR: " + result.Description);
}
}
// Set source params
foreach (XmlSchemas.dvrb.inputRow input in body.input)
{
Encoder.ESourceType source_type;
switch (input.type)
{
case "video":
source_type = Encoder.ESourceType.DeviceVideo;
break;
case "audio":
source_type = Encoder.ESourceType.DeviceAudio;
break;
case "desktop":
source_type = Encoder.ESourceType.DesktopVideo;
break;
default:
throw new System.Exception("Unknown source type " + input.type);
}
result = this.encoder.SetSource(source_type, input.name);
if (!result.Succeeded)
{
throw new System.Exception("wmEncoder.SetSource ERROR: " + result.Description);
}
}
// Set live streaming params
result = this.encoder.SetOutParams(internalPort);
if (!result.Succeeded)
{
throw new System.Exception("wmEncoder.SetOutParams ERROR: " + result.Description);
}
// Set OnDemand params
if (body.output[0].GetvodRows()[0].path.Length > 0)
{
result = this.streaming.SetVoDInfo(body.output[0].GetvodRows()[0].path);
if (!result.Succeeded)
{
throw new System.Exception("m_Streaming.SetVoDInfo ERROR: " + result.Description);
}
}
this.dvrbConfig = body;
this.SendResponse(200, "OK", response);
}
catch (System.Exception e)
{
log.Error("updateDVRB:: Bad request from " + context.Request.UserHostAddress + ", exception :" + e.Message);
this.SendResponse(400, "Bad Request: " + e.Message, response);
}
}
