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Improve TS read performance slightly

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This commit is contained in:
Nikolaj Olsson 2019-10-21 18:14:07 +02:00
parent 8dba59e913
commit 9bf5dd71ae
1 changed files with 1 additions and 3 deletions
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4
libse/TransportStream/TransportStreamParser.cs
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@ -55,7 +55,6 @@ namespace Nikse.SubtitleEdit.Core.TransportStream
var packetBuffer = new byte[packetLength]; var packetBuffer = new byte[packetLength];
var m2TsTimeCodeBuffer = new byte[4]; var m2TsTimeCodeBuffer = new byte[4];
long position = 0; long position = 0;
long callBackTicks = 0;
SubtitlesLookup = new Dictionary<int, List<DvbSubPes>>(); SubtitlesLookup = new Dictionary<int, List<DvbSubPes>>();
// check for Topfield .rec file // check for Topfield .rec file
@ -169,10 +168,9 @@ namespace Nikse.SubtitleEdit.Core.TransportStream
TotalNumberOfPackets++; TotalNumberOfPackets++;
position += packetLength; position += packetLength;
if (callback != null && DateTime.UtcNow.Ticks - 10000 * 500 > callBackTicks) // call back every half second if (TotalNumberOfPackets % 100000 == 0)
{ {
callback.Invoke(ms.Position, transportStreamLength); callback.Invoke(ms.Position, transportStreamLength);
callBackTicks = DateTime.UtcNow.Ticks;
} }
} }
else else