/// <summary>
/// Import an audio file to the project by creating a new node with audio from the file.
/// The node is created but not actually added but a command is returned.
/// </summary>
/// <param name="path">Full path to the audio file to import.</param>
/// <param name="contextNode">The context node before which to import the audio file.
/// If null, add at the end.</param>
/// <returns>The command for adding the node.</returns>
public Commands.AddTreeNode ImportAudioFileCommand(string path, TreeNode contextNode)
{
Stream input = File.OpenRead(path);
PCMDataInfo info = PCMDataInfo.parseRiffWaveHeader(input);
input.Close();
getPresentation().getMediaDataManager().getDefaultPCMFormat().setBitDepth(info.getBitDepth());
getPresentation().getMediaDataManager().getDefaultPCMFormat().setNumberOfChannels(info.getNumberOfChannels());
getPresentation().getMediaDataManager().getDefaultPCMFormat().setSampleRate(info.getSampleRate());
AudioMediaData data = (AudioMediaData)
getPresentation().getMediaDataFactory().createMediaData(typeof(AudioMediaData));
data.appendAudioDataFromRiffWave(path);
ManagedAudioMedia media = (ManagedAudioMedia)getPresentation().getMediaFactory().createAudioMedia();
media.setMediaData(data);
Channel audio = GetSingleChannelByName(AUDIO_CHANNEL_NAME);
ChannelsProperty prop = getPresentation().getPropertyFactory().createChannelsProperty();
prop.setMedia(audio, media);
TreeNode node = getPresentation().getTreeNodeFactory().createNode();
node.setProperty(prop);
TreeNode root = getPresentation().getRootNode();
Commands.AddTreeNode command = new Commands.AddTreeNode(node, root,
contextNode == null ? root.getChildCount() : contextNode.getParent().indexOf(contextNode));
return(command);
}
/// <summary>
/// Append a new audio asset to the root.
/// Set the location and timing of the audio node to that of the asset.
/// Set the text in the node to the label of the asset.
/// The phrase is added to the list of phrases in that project.
/// </summary>
/// <param name="asset">The asset to append.</param>
public void AppendPhrase(AudioMediaAsset asset)
{
CoreNode node = this.getPresentation().getCoreNodeFactory().createNode();
ChannelsProperty prop = (ChannelsProperty)node.getProperty(PropertyType.CHANNEL);
AudioMedia audio = (AudioMedia)this.getPresentation().getMediaFactory().createMedia(MediaType.AUDIO);
audio.setLocation(new MediaLocation(asset.Path));
audio.setClipEnd(new Time((long)Math.Round(asset.LengthInMilliseconds)));
prop.setMedia(mAudioChannel, audio);
TextMedia text = (TextMedia)this.getPresentation().getMediaFactory().createMedia(MediaType.TEXT);
text.setText(asset.Name);
prop.setMedia(mTextChannel, text);
this.getPresentation().getRootNode().appendChild(node);
mPhrases.Add(new Phrase(node, asset));
}
