public void CanCreateSourceReaderFromUrl()
{
MediaFoundationCore.Startup();
using (var reader = MediaFoundationCore.CreateSourceReaderFromUrl(@"C:\Temp\test.mp3"))
{
Assert.IsNotNull(reader);
}
MediaFoundationCore.Shutdown();
}
public void CanCreateByteStreamFromIOStream()
{
var stream = new MemoryStream();
var comstream = new ComStream(stream);
using (var byteStream = MediaFoundationCore.IStreamToByteStream(comstream))
{
Assert.IsNotNull(byteStream);
}
}
public void CanCreateByteStreamFromIOStream()
{
MediaFoundationCore.Startup();
var stream = new MemoryStream();
var comstream = new ComStream(stream);
var byteStream = MediaFoundationCore.IStreamToByteStream(comstream);
Assert.IsNotNull(byteStream);
Marshal.ReleaseComObject(byteStream);
MediaFoundationCore.Shutdown();
}
public void CanCreateSourceReaderFromIOStream()
{
using (var stream = GlobalTestConfig.TestMp3AsStream())
using (var comstream = new ComStream(stream))
{
using (var byteStream = MediaFoundationCore.IStreamToByteStream(comstream))
{
Assert.IsNotNull(byteStream);
using (
var reader = MediaFoundationCore.CreateSourceReaderFromByteStream(byteStream.BasePtr,
IntPtr.Zero))
{
Assert.IsNotNull(reader);
}
}
}
}
public void CanCreateSourceReaderFromIOStream()
{
MediaFoundationCore.Startup();
var stream = File.OpenRead(@"C:\Temp\test.mp3");
using (var comstream = new ComStream(stream))
{
var byteStream = MediaFoundationCore.IStreamToByteStream(comstream);
Assert.IsNotNull(byteStream);
using (var reader = MediaFoundationCore.CreateSourceReaderFromByteStream(byteStream, IntPtr.Zero))
{
Assert.IsNotNull(reader);
}
Marshal.ReleaseComObject(byteStream);
}
MediaFoundationCore.Shutdown();
}
public void CanCreateSourceReaderFromUrl()
{
var filename = Path.ChangeExtension(Path.GetTempFileName(), "mp3");
try
{
using (var stream = GlobalTestConfig.TestMp3AsStream())
{
File.WriteAllBytes(filename, stream.ToArray());
using (var reader = MediaFoundationCore.CreateSourceReaderFromUrl(filename))
{
Assert.IsNotNull(reader);
}
}
}
finally
{
File.Delete(filename);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AacEncoder"/> class.
/// </summary>
/// <param name="sourceFormat"><see cref="WaveFormat"/> of the audio data which gets encoded.</param>
/// <param name="targetStream"><see cref="Stream"/> which should be used to save the encoded data in.</param>
/// <param name="defaultBitrate">Default samplerate. Use 192000 as the default value.</param>
/// <param name="containerType">Guid of the container type. Use <see cref="TranscodeContainerTypes.MFTranscodeContainerType_MPEG4"/> as the default container.</param>
public AacEncoder(WaveFormat sourceFormat, Stream targetStream, int defaultBitrate, Guid containerType)
{
if (sourceFormat == null)
{
throw new ArgumentNullException("sourceFormat");
}
if (targetStream == null)
{
throw new ArgumentNullException("targetStream");
}
if (!targetStream.CanWrite)
{
throw new ArgumentException("Stream is not writeable.");
}
if (defaultBitrate <= 0)
{
throw new ArgumentOutOfRangeException("defaultBitrate");
}
if (containerType == Guid.Empty)
{
throw new ArgumentNullException("containerType");
}
var targetMediaType = FindBestMediaType(AudioSubTypes.MPEG_HEAAC,
sourceFormat.SampleRate, sourceFormat.Channels, defaultBitrate);
if (targetMediaType == null)
{
throw new NotSupportedException("No AAC-Encoder was found. Check whether your system supports AAC encoding.");
}
var sourceMediaType = MediaFoundationCore.MediaTypeFromWaveFormat(sourceFormat);
SetTargetStream(targetStream, sourceMediaType, targetMediaType, containerType);
}
public void CanEnumerateMFDecoders()
{
MediaFoundationCore.EnumerateTransforms(MFTCategories.AudioDecoder, MFTEnumFlags.All);
}
