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Work on #7603

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niksedk 2023-11-07 18:50:44 +01:00
parent 742f87f6e2
commit 3340af204c
1 changed files with 2 additions and 3 deletions
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5
src/libse/ContainerFormats/Mp4/Boxes/Stbl.cs
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@ -6,7 +6,6 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using Nikse.SubtitleEdit.Core.Cea608;
namespace Nikse.SubtitleEdit.Core.ContainerFormats.Mp4.Boxes
{
@ -151,10 +150,10 @@ namespace Nikse.SubtitleEdit.Core.ContainerFormats.Mp4.Boxes
var max = ChunkOffsets.Count;
var index = 0;
double totalTime = 0;
var stscLookup = Stsc.ToDictionary(p => p.FirstChunk);
for (var chunkIndex = 0; chunkIndex < max; chunkIndex++)
{
var newSamplesPerChunk = Stsc.FirstOrDefault(item => item.FirstChunk == chunkIndex + 1);
if (newSamplesPerChunk != null)
if (stscLookup.TryGetValue((uint)chunkIndex + 1, out var newSamplesPerChunk))
{
samplesPerChunk = newSamplesPerChunk.SamplesPerChunk;
}