static void FadeAudio(SourceReaderSample sample, double fadeout)
{
using (var buffer = sample.Sample.ConvertToContiguousBuffer())
using (var data = buffer.Lock())
{
fadeout = Math.Min(1.0, fadeout);
fadeout = Math.Max(0.0, fadeout);
unsafe
{
var pData = (short*)data.Buffer.ToPointer();
int length;
buffer.instance.GetMaxLength(out length);
for (int i = 0; i < length / 2; i++)
pData[i] = (short)((double)pData[i] * fadeout);
}
}
}
bool showClosingFlashCard( SourceReaderSample sample)
{
if (!leaderBoard.OverlayData.TimeForOutroOverlay.HasValue)
return false;
return sample.Timestamp >= leaderBoard.OverlayData.TimeForOutroOverlay.Value.FromSecondsToNano();
}
public SourceReaderSampleWithBitmap(SourceReaderSample sample, float width = 1920f, float height = 1080f)
: base(sample.Reader, sample.Stream, sample.Flags, sample.Timestamp, sample.Duration, sample.Sample, sample.Count)
{
this.imageWidth = width;
this.imageHeight = height;
}
private void CheckForReposition(long offsetV, int readerIndex, SourceReaderSample sample, ref bool isContinue, ref bool isBreak)
{
if (reposReqeusted && sample.SampleTime + offsetV < startPosition)
{
var newPos = startPosition - offsetV;
Trace.WriteLine(string.Format("File index: {0}, Reposition: {1}-{2} = {3}",
readerIndex,
startPosition.FromNanoToSeconds(),
offsetV.FromNanoToSeconds(),
(newPos).FromNanoToSeconds()
));
if (newPos > sample.Duration)
{
//nextOffsetA = nextOffsetV = sample.Duration;
Trace.WriteLine(string.Format(
"File index: {0}, Skipping remainder of file. sampleDuration: {1}",
readerIndex, sample.Duration));
isBreak = true;
}
else
{
sample.Reader.SetCurrentPosition(newPos);
reposReqeusted = false;
isContinue = true;
}
}
}
private void ResequenceSample(long offsetV, long duration, SourceReaderSample sample)
{
if (sample.Stream.NativeMediaType.IsVideo)
sample.Resequence(offsetV, duration, this);
if (sample.Stream.NativeMediaType.IsAudio)
sample.Resequence(offsetV, duration, this);
}
private bool isEndOfStream(ref SourceReaderSample last, SourceReaderSample sample)
{
var endOfStream = sample.Flags.EndOfStream;
if (endOfStream)
last = sample;
return endOfStream;
}