public override bool MoveTo(Guid playbackId, DateTime dateTime, MoveCriteria moveCriteria)
{
lock (_playbackLockObj)
{
if (!_playbackCursors.ContainsKey(playbackId))
{
throw new KeyNotFoundException(nameof(playbackId));
}
}
DateTime cur = dateTime;
// TODO: implement below to do proper update of cursor
switch (moveCriteria)
{
case MoveCriteria.After:
break;
case MoveCriteria.AtOrAfter:
break;
case MoveCriteria.AtOrBefore:
break;
case MoveCriteria.Before:
break;
}
lock (_playbackLockObj)
{
_playbackCursors[playbackId] = cur;
}
return(true);
}
public override bool MoveTo(Guid playbackId, DateTime dateTime, MoveCriteria moveCriteria)
{
lock (_playbackLockObj)
{
if (!_playbackSessions.ContainsKey(playbackId))
{
throw new KeyNotFoundException(nameof(playbackId));
}
}
DateTime cur = dateTime;
bool atVideo = IsAtVideo(cur);
Toolbox.Log.Trace(nameof(MoveTo) + " - " + moveCriteria + ", Asked time: " + dateTime.ToString("o") + ", At Video: " + atVideo);
switch (moveCriteria)
{
case MoveCriteria.After:
if (atVideo)
{
do
{
cur = cur + _frameDistance;
} while (!IsAtVideo(cur)); //this avoids the edge case where the current time is at video, but +framedistance is not.
}
else
{
cur = NextSequence(cur);
}
break;
case MoveCriteria.AtOrAfter:
if (!atVideo)
{
cur = NextSequence(cur);
}
break;
case MoveCriteria.AtOrBefore:
if (!atVideo)
{
cur = PreviousSequence(cur) + TimeSpan.FromSeconds(60) - _frameDistance;
}
break;
case MoveCriteria.Before:
if (atVideo)
{
cur = cur - _frameDistance;
}
else
{
cur = PreviousSequence(cur) + TimeSpan.FromSeconds(60) - _frameDistance;
}
break;
}
Toolbox.Log.Trace("{0} - now at:{1}", nameof(MoveTo), cur.ToString("o"));
lock (_playbackLockObj)
{
_playbackSessions[playbackId].Cursor = cur;
}
return(true);
}
