/// <summary>
/// Initializes a new instance of the <see cref="AudioPlayer" /> class.
/// </summary>
/// <param name="xaudio2">The xaudio2 engine.</param>
/// <param name="audioStream">The input audio stream.</param>
public AudioPlayer(XAudio2 xaudio2, Stream audioStream)
{
this.xaudio2 = xaudio2;
audioDecoder = new AudioDecoder(audioStream);
//sourceVoice = new SourceVoice(xaudio2, audioDecoder.WaveFormat);
sourceVoice = new SourceVoice(xaudio2, audioDecoder.WaveFormat,0,1.0f);
localVolume = 1.0f;
sourceVoice.BufferEnd += sourceVoice_BufferEnd;
sourceVoice.Start();
bufferEndEvent = new AutoResetEvent(false);
playEvent = new ManualResetEvent(false);
waitForPlayToOutput = new ManualResetEvent(false);
clock = new Stopwatch();
// Pre-allocate buffers
audioBuffersRing = new AudioBuffer[3];
memBuffers = new DataPointer[audioBuffersRing.Length];
for (int i = 0; i < audioBuffersRing.Length; i++)
{
audioBuffersRing[i] = new AudioBuffer();
memBuffers[i].Size = 32 * 1024; // default size 32Kb
memBuffers[i].Pointer = Utilities.AllocateMemory(memBuffers[i].Size);
}
// Initialize to stopped
State = AudioPlayerState.Stopped;
// Starts the playing thread
playingTask = Task.Factory.StartNew(PlayAsync, TaskCreationOptions.LongRunning);
}
private static void Main(string[] args)
{
string fileName;
if (args.Length == 1)
{
fileName = args[0];
}
else
{
var dialog = new OpenFileDialog {Title = "Select an audio file (wma, mp3, ...etc.) or video file..."};
if (dialog.ShowDialog() != DialogResult.OK)
return;
fileName = dialog.FileName;
}
var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
var audioDecoder = new AudioDecoder(stream);
var outputWavStream = new FileStream("output.wav", FileMode.Create, FileAccess.Write);
var wavWriter = new WavWriter(outputWavStream);
// Write the WAV file
wavWriter.Begin(audioDecoder.WaveFormat);
// Decode the samples from the input file and output PCM raw data to the WAV stream.
wavWriter.AppendData(audioDecoder.GetSamples());
// Close the wav writer.
wavWriter.End();
audioDecoder.Dispose();
outputWavStream.Close();
stream.Close();
}
public AudioInfo Decode( Stream stream, params object [] args )
{
AudioDecoder decoder = new AudioDecoder ( stream );
AudioInfo audioInfo = new AudioInfo ();
audioInfo.AudioChannel = ( AudioChannel ) decoder.WaveFormat.Channels;
audioInfo.BitPerSample = decoder.WaveFormat.BitsPerSample / 8;
audioInfo.SampleRate = decoder.WaveFormat.SampleRate;
audioInfo.AudioStream = stream;
audioInfo.AudioDecoder = this;
audioInfo.Samples = new SampleStruct () { AudioDecoder = decoder, DataPointers = decoder.GetSamples ().GetEnumerator () };
return audioInfo;
}
private void DisposePlayer()
{
audioDecoder.Dispose();
audioDecoder = null;
sourceVoice.Dispose();
sourceVoice = null;
for (int i = 0; i < audioBuffersRing.Length; i++)
{
Utilities.FreeMemory(memBuffers[i].Pointer);
memBuffers[i].Pointer = IntPtr.Zero;
}
}
private async void btnSharpDXMP3toWav_Click(object sender, RoutedEventArgs e)
{
var LocalFolder = await ApplicationData.Current.LocalFolder
.CreateFolderAsync(@"Assets", CreationCollisionOption.OpenIfExists);
var folder = await StorageFolder.GetFolderFromPathAsync(Windows.ApplicationModel.Package.Current.InstalledLocation.Path + @"\Assets");
var fileMP3 = await folder.GetFileAsync(string.Format("{0}", "Clk_1Sec1_10s_70s_150s_210s_270s.mp3"));
var fileWav = await LocalFolder.CreateFileAsync(string.Format("{0}", "SharpDx.wav"), CreationCollisionOption.ReplaceExisting);
using (Stream streamMP3 = await fileMP3.OpenStreamForReadAsync())
{
using (Stream streamWav = await fileWav.OpenStreamForWriteAsync())
{
AudioDecoder audioDecoder = new AudioDecoder(streamMP3);
WavWriter wavWriter = new WavWriter(streamWav);
wavWriter.Begin(audioDecoder.WaveFormat);
// Decode the samples from the input file and output PCM raw data to the WAV stream.
wavWriter.AppendData(audioDecoder.GetSamples());
// Close the wav writer.
wavWriter.End();
audioDecoder.Dispose();
}
}
this.me1.Source = new Uri(string.Format("ms-appdata:///local/Assets/{0}", "SharpDx.wav"));
//Stream streamMP3 = await fileMP3.OpenStreamForReadAsync();
//Stream streamWav = await fileWav.OpenStreamForWriteAsync();
//AudioDecoder audioDecoder = new AudioDecoder(streamMP3);
//WavWriter wavWriter = new WavWriter(streamWav);
//wavWriter.Begin(audioDecoder.WaveFormat);
//// Decode the samples from the input file and output PCM raw data to the WAV stream.
//wavWriter.AppendData(audioDecoder.GetSamples());
//// Close the wav writer.
//wavWriter.End();
//audioDecoder.Dispose();
//await streamWav.FlushAsync();
}
