// Token: 0x06000945 RID: 2373 RVA: 0x0001B0A0 File Offset: 0x000192A0 private long ConvertOneBuffer(IMFSinkWriter writer, int streamIndex, IWaveProvider inputProvider, long position, byte[] managedBuffer) { long num = 0L; IMFMediaBuffer imfmediaBuffer = MediaFoundationApi.CreateMemoryBuffer(managedBuffer.Length); int count; imfmediaBuffer.GetMaxLength(out count); IMFSample imfsample = MediaFoundationApi.CreateSample(); imfsample.AddBuffer(imfmediaBuffer); IntPtr destination; int num2; imfmediaBuffer.Lock(out destination, out count, out num2); int num3 = inputProvider.Read(managedBuffer, 0, count); if (num3 > 0) { num = MediaFoundationEncoder.BytesToNsPosition(num3, inputProvider.WaveFormat); Marshal.Copy(managedBuffer, 0, destination, num3); imfmediaBuffer.SetCurrentLength(num3); imfmediaBuffer.Unlock(); imfsample.SetSampleTime(position); imfsample.SetSampleDuration(num); writer.WriteSample(streamIndex, imfsample); } else { imfmediaBuffer.Unlock(); } Marshal.ReleaseComObject(imfsample); Marshal.ReleaseComObject(imfmediaBuffer); return(num); }
private long ConvertOneBuffer(IMFSinkWriter writer, int streamIndex, IWaveProvider inputProvider, long position, byte[] managedBuffer, int seconds, ref bool flag) { long durationConverted = 0; int maxLength; IMFMediaBuffer buffer = MediaFoundationApi.CreateMemoryBuffer(managedBuffer.Length); buffer.GetMaxLength(out maxLength); IMFSample sample = MediaFoundationApi.CreateSample(); sample.AddBuffer(buffer); IntPtr ptr; int currentLength; buffer.Lock(out ptr, out maxLength, out currentLength); int oneLength = inputProvider.WaveFormat.AverageBytesPerSecond; int read = 0; if (flag) { for (int i = 0; i < seconds; i++) { read = inputProvider.Read(managedBuffer, 0, oneLength); } flag = false; } else { read = inputProvider.Read(managedBuffer, 0, oneLength); } if (read > 0) { durationConverted = BytesToNsPosition(read, inputProvider.WaveFormat); Marshal.Copy(managedBuffer, 0, ptr, read); buffer.SetCurrentLength(read); buffer.Unlock(); sample.SetSampleTime(position); sample.SetSampleDuration(durationConverted); writer.WriteSample(streamIndex, sample); //writer.Flush(streamIndex); } else { buffer.Unlock(); } Marshal.ReleaseComObject(sample); Marshal.ReleaseComObject(buffer); return(durationConverted); }