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Do not allow negative time codes in PAC - thx sandrickn :)

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Related to #4982
This commit is contained in:
niksedk 2021-12-09 19:35:03 +01:00
parent 79d7c417d4
commit d726027b76
1 changed files with 8 additions and 3 deletions
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11
src/libse/SubtitleFormats/Pac.cs
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@ -1226,9 +1226,14 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
internal static void WriteTimeCode(Stream fs, TimeCode timeCode)
{
// write four bytes time code
string highPart = $"{timeCode.Hours:00}{timeCode.Minutes:00}";
byte frames = (byte)MillisecondsToFramesMaxFrameRate(timeCode.Milliseconds);
string lowPart = $"{timeCode.Seconds:00}{frames:00}";
var hours = Math.Max(0, timeCode.Hours);
var minutes = Math.Max(0, timeCode.Minutes);
var seconds = Math.Max(0, timeCode.Seconds);
var milliseconds = Math.Max(0, timeCode.Milliseconds);
string highPart = $"{hours:00}{minutes:00}";
byte frames = (byte)MillisecondsToFramesMaxFrameRate(milliseconds);
string lowPart = $"{seconds:00}{frames:00}";
int high = int.Parse(highPart);
if (high < 256)