public TimeSpan Seek(TimeSpan position)
{
// A workaround for a case when we seek to the end of a content while audio and video streams have
// a slightly different duration.
if (position > currentStreams.Duration)
{
position = (TimeSpan)currentStreams.Duration;
}
currentSegmentId = currentStreams.SegmentId(position);
var previousSegmentId = currentStreams.PreviousSegmentId(currentSegmentId);
lastDownloadSegmentTimeRange = currentStreams.SegmentTimeRange(previousSegmentId);
var seekToTimeRange = currentStreams.SegmentTimeRange(currentSegmentId);
// We are not expecting NULL segments after seek.
// Termination will occur after restarting
if (seekToTimeRange == null)
{
LogError($"Seek Pos Req: {position} failed. No segment/TimeRange found");
currentTime = position;
return(currentTime);
}
currentTime = seekToTimeRange.Start;
LogInfo(
$"Seek Pos Req: {position} Seek to: ({seekToTimeRange.Start}/{currentTime}) SegId: {currentSegmentId}");
return(seekToTimeRange.Start);
}
public TimeSpan Seek(TimeSpan position)
{
// A workaround for a case when we seek to the end of a content while audio and video streams have
// a slightly different duration.
if (position > currentStreams.Duration)
{
position = (TimeSpan)currentStreams.Duration;
}
currentSegmentId = currentStreams.SegmentId(position);
var previousSegmentId = currentStreams.PreviousSegmentId(currentSegmentId);
lastDownloadSegmentTimeRange = currentStreams.SegmentTimeRange(previousSegmentId);
var seekToTimeRange = currentStreams.SegmentTimeRange(currentSegmentId);
// We are not expecting NULL segments after seek.
// Termination will occur after restarting
if (seekToTimeRange == null)
{
LogError($"Seek Pos Req: {position} failed. No segment/TimeRange found");
throw new ArgumentOutOfRangeException();
}
// Seek operation clears all buffered data (bufferTime=0). bufferTime is set to currentTime
// during Start(). bufferTime will get updated after chunk download.
currentTime = TimeSpan.Zero;
// Clear dataClockLimit. Download will start after new dataClockLimit is
// received.
_dataClockLimit = TimeSpan.Zero;
LogInfo(
$"Seek Pos Req: {position} Seek to: ({seekToTimeRange.Start}-{seekToTimeRange.Start + seekToTimeRange.Duration}/{currentTime}) SegId: {currentSegmentId}");
return(seekToTimeRange.Start);
}
