public static Action<long, long> Concat(ISourceReader reader, ProcessSample transforms, Func<bool> isAborted)
{
return (offsetA, offsetV) =>
{
reader.SetCurrentPosition(0);
var stream = FromSource(reader, isAborted);
bool firstV = false;
stream(s =>
{
if (isAborted())
return false;
if (s.Flags.EndOfStream)
return transforms(s);
if (!firstV && s.Stream.CurrentMediaType.IsVideo)
{
firstV = true;
return true;
}
if (s.Stream.CurrentMediaType.IsVideo)
s.Resequence(offsetV);
if (s.Stream.CurrentMediaType.IsAudio)
s.Resequence(offsetA);
return transforms(s);
});
};
}
public static Action<long, long> Concat(ISourceReader reader, ProcessSample transforms, Action<long, long> next, Func<bool> isAborted)
{
return (offsetA, offsetV) =>
{
var newOffsetA = offsetA;
var newOffsetV = offsetV;
reader.SetCurrentPosition(0);
var stream = FromSource(reader, isAborted);
stream(s =>
{
if (isAborted())
return false;
if (s.Flags.EndOfStream)
return false;
if (s.Stream.CurrentMediaType.IsVideo)
s.Resequence(offsetV);
if (s.Stream.CurrentMediaType.IsAudio)
s.Resequence(offsetA);
var r = transforms(s);
if (s.Stream.CurrentMediaType.IsVideo)
newOffsetV = s.SampleTime;
if (s.Stream.CurrentMediaType.IsAudio)
newOffsetA = s.SampleTime;
return r;
});
next(newOffsetA, newOffsetV);
};
}