public async Task ConnectAsync(DateTime initialTimeStamp, CancellationToken token)
{
IRtspTransportClient rtspTransportClient = _transportClientProvider();
Volatile.Write(ref _rtspTransportClient, rtspTransportClient);
await _rtspTransportClient.ConnectAsync(token);
RtspRequestMessage optionsRequest = _requestMessageFactory.CreateOptionsRequest();
RtspResponseMessage optionsResponse = await _rtspTransportClient.ExecuteRequest(optionsRequest, token);
if (optionsResponse.StatusCode == RtspStatusCode.Ok)
{
ParsePublicHeader(optionsResponse.Headers[WellKnownHeaders.Public]);
}
RtspRequestMessage describeRequest = _requestMessageFactory.CreateDescribeRequest();
RtspResponseMessage describeResponse =
await _rtspTransportClient.EnsureExecuteRequest(describeRequest, token);
string contentBaseHeader = describeResponse.Headers[WellKnownHeaders.ContentBase];
if (!string.IsNullOrEmpty(contentBaseHeader))
{
_requestMessageFactory.ContentBase = new Uri(contentBaseHeader);
}
var parser = new SdpParser();
IEnumerable <RtspTrackInfo> tracks = parser.Parse(describeResponse.ResponseBody);
bool anyTrackRequested = false;
foreach (RtspMediaTrackInfo track in GetTracksToSetup(tracks))
{
await SetupTrackAsync(initialTimeStamp, track, token);
anyTrackRequested = true;
}
if (!anyTrackRequested)
{
throw new RtspClientException("Any suitable track is not found");
}
RtspRequestMessage playRequest = (initialTimeStamp != default(DateTime) ? _requestMessageFactory.CreatePlayRequest(initialTimeStamp) : _requestMessageFactory.CreatePlayRequest());
RtspResponseMessage playResponse =
await _rtspTransportClient.EnsureExecuteRequest(playRequest, token, 1);
// TODO : Create a specific parse to convert the clock values
Regex clockRegex = new Regex(@"clock=(?<startTime>\d{8}T\d{6}Z)\-(?<endTime>\d{8}T\d{6}Z)", RegexOptions.Singleline);
foreach (string playResponseHeader in playResponse.Headers.GetValues("Range"))
{
Match clockMatches = clockRegex.Match(playResponseHeader);
if (clockMatches.Success)
{
_mediaPayloadParser.BaseTime = DateTime.ParseExact(clockMatches.Groups["startTime"].Value, "yyyyMMddTHHmmssZ", CultureInfo.InvariantCulture, DateTimeStyles.None);
}
}
}
public async Task ConnectAsync(CancellationToken token)
{
IRtspTransportClient rtspTransportClient = _transportClientProvider();
Volatile.Write(ref _rtspTransportClient, rtspTransportClient);
await _rtspTransportClient.ConnectAsync(token);
RtspRequestMessage optionsRequest = _requestMessageFactory.CreateOptionsRequest();
RtspResponseMessage optionsResponse = await _rtspTransportClient.ExecuteRequest(optionsRequest, token);
if (optionsResponse.StatusCode == RtspStatusCode.Ok)
{
ParsePublicHeader(optionsResponse.Headers[WellKnownHeaders.Public]);
}
RtspRequestMessage describeRequest = _requestMessageFactory.CreateDescribeRequest();
RtspResponseMessage describeResponse =
await _rtspTransportClient.EnsureExecuteRequest(describeRequest, token);
string contentBaseHeader = describeResponse.Headers[WellKnownHeaders.ContentBase];
if (!string.IsNullOrEmpty(contentBaseHeader))
{
_requestMessageFactory.ContentBase = new Uri(contentBaseHeader);
}
var parser = new SdpParser();
IEnumerable <RtspTrackInfo> tracks = parser.Parse(describeResponse.ResponseBody);
bool anyTrackRequested = false;
foreach (RtspMediaTrackInfo track in GetTracksToSetup(tracks))
{
await SetupTrackAsync(track, token);
Codec = track.Codec;
anyTrackRequested = true;
}
if (!anyTrackRequested)
{
throw new RtspClientException("Any suitable track is not found");
}
RtspRequestMessage playRequest = _requestMessageFactory.CreatePlayRequest();
await _rtspTransportClient.EnsureExecuteRequest(playRequest, token, 1);
}