private Stream getNextAudioStream(string basename)
{
if (getAudioStream() != null && getCurrentPCMFormat() != null)
{
FileStream fs = new FileStream(Path.Combine(getOutputFolder(), getCurrentAudioFileName()), FileMode.Create, FileAccess.Write);
urakawa.media.data.audio.PCMDataInfo dataInfo = new urakawa.media.data.audio.PCMDataInfo(getCurrentPCMFormat());
Stream curAS = getAudioStream();
curAS.Position = 0;
dataInfo.setDataLength((uint)curAS.Length);
dataInfo.writeRiffWaveHeader(fs);
copyData(curAS, fs, dataInfo.getDataLength());
fs.Close();
}
mAudioMemoryStream = new MemoryStream();
mPCMFormat = null;
return(getAudioStream());
}
/// <summary>
/// Create a new audio node by importing data from a file.
/// </summary>
public urakawa.core.TreeNode CreateAudioNode(string filename)
{
urakawa.Presentation p = getPresentation(0);
urakawa.core.TreeNode node = p.getTreeNodeFactory().createNode(typeof(AudioNode).Name, DataModelFactory.NS);
// Update the media data manager to accept this type of file
if (!p.getMediaDataManager().getEnforceSinglePCMFormat())
{
System.IO.FileStream audioStream = System.IO.File.OpenRead(filename);
urakawa.media.data.audio.PCMDataInfo info = urakawa.media.data.audio.PCMDataInfo.parseRiffWaveHeader(audioStream);
audioStream.Close();
p.getMediaDataManager().setDefaultPCMFormat(info);
p.getMediaDataManager().setEnforceSinglePCMFormat(true);
}
// I'll go ahead and not comment this part
urakawa.media.data.audio.AudioMediaData audio = p.getMediaDataFactory().createAudioMediaData();
audio.appendAudioDataFromRiffWave(filename);
urakawa.media.data.audio.ManagedAudioMedia media =
(urakawa.media.data.audio.ManagedAudioMedia)p.getMediaFactory().createAudioMedia();
media.setMediaData(audio);
urakawa.property.channel.ChannelsProperty prop = p.getPropertyFactory().createChannelsProperty();
prop.setMedia(FindChannel("bobi.audio"), media);
node.addProperty(prop);
return(node);
}
