NAudio.MediaFoundation.MediaFoundationApi.CreateMemoryBuffer C# (CSharp) Method

        public static IMFMediaBuffer CreateMemoryBuffer(int bufferSize)
        {
            IMFMediaBuffer buffer;
            MediaFoundationInterop.MFCreateMemoryBuffer(bufferSize, out buffer);
            return buffer;
        }

        // Token: 0x06000A59 RID: 2649 RVA: 0x0001E1A8 File Offset: 0x0001C3A8
        private IMFSample ReadFromSource()
        {
            int num = this.sourceProvider.Read(this.sourceBuffer, 0, this.sourceBuffer.Length);

            if (num == 0)
            {
                return(null);
            }
            IMFMediaBuffer imfmediaBuffer = MediaFoundationApi.CreateMemoryBuffer(num);
            IntPtr         destination;
            int            num2;
            int            num3;

            imfmediaBuffer.Lock(out destination, out num2, out num3);
            Marshal.Copy(this.sourceBuffer, 0, destination, num);
            imfmediaBuffer.Unlock();
            imfmediaBuffer.SetCurrentLength(num);
            IMFSample imfsample = MediaFoundationApi.CreateSample();

            imfsample.AddBuffer(imfmediaBuffer);
            imfsample.SetSampleTime(this.inputPosition);
            long num4 = MediaFoundationTransform.BytesToNsPosition(num, this.sourceProvider.WaveFormat);

            imfsample.SetSampleDuration(num4);
            this.inputPosition += num4;
            Marshal.ReleaseComObject(imfmediaBuffer);
            return(imfsample);
        }