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TracksBoard.Load method |
  
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TracksBoard.Load method |
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Remarks
Loads a session, saved at an earlier time through the TracksBoard.Save method, from the given input file.
During the execution of the loading session the CallbackPercentage delegate is invoked, with the nOperation parameter set to OPERATION_SOUND_LOADING, in order to notify about the percentage of advancement of the loading session.
The format of the saved file is in plain XML format: in case you should need to create this file manually, the format of the file is similar to the one shown below:
XML |
<?xml version="1.0" ?> <TracksBoardSession Tracks="4" InitialDurationMs="30000" Speakers="6"> <Items> <Item Type="0" Track="1" OffsetMs="0" Speaker="0" VolumeAmplitude="1.000000" StartPositionMs="0" EndPositionMs="120961"> <Pathname>C:\Temp\1\Drums.mp3</Pathname> <FriendlyName>Drums</FriendlyName> <VolumePointFirst Amplitude="1.000000" /> <VolumePointLast Amplitude="1.000000" /> </Item> <Item Type="0" Track="2" OffsetMs="2032" Speaker="0" VolumeAmplitude="1.000000" StartPositionMs="0" EndPositionMs="114272"> <Pathname>C:\Temp\1\Guitar.mp3</Pathname> <FriendlyName>Guitar</FriendlyName> <VolumePointFirst Amplitude="0.000000" /> <VolumePointLast Amplitude="0.000000" /> <VolumePoints> <VolumePoint PositionMs="4589" Amplitude="1.000000" /> <VolumePoint PositionMs="21945" Amplitude="1.000000" /> <VolumePoint PositionMs="24109" Amplitude="0.860000" /> <VolumePoint PositionMs="34848" Amplitude="0.860000" /> <VolumePoint PositionMs="36167" Amplitude="1.000000" /> <VolumePoint PositionMs="50481" Amplitude="1.000000" /> <VolumePoint PositionMs="52318" Amplitude="0.770000" /> <VolumePoint PositionMs="69392" Amplitude="0.770000" /> <VolumePoint PositionMs="71735" Amplitude="1.000000" /> <VolumePoint PositionMs="114679" Amplitude="1.000000" /> </VolumePoints> </Item> <Item Type="0" Track="0" OffsetMs="2131" Speaker="0" VolumeAmplitude="1.000000" StartPositionMs="0" EndPositionMs="21440"> <Pathname>C:\Temp\1\voice.mp3</Pathname> <FriendlyName>Voice 1</FriendlyName> <VolumePointFirst Amplitude="1.000000" /> <VolumePointLast Amplitude="1.000000" /> </Item> <Item Type="2" Track="4" OffsetMs="20468" VolumeAmplitude="1.000000" StartPositionMs="0" EndPositionMs="18727" Voice="2" RemoveFinalSilence="1"> <SpeechPathname>C:\m_sounds\speech_2.txt</SpeechPathname> <FriendlyName>Spoke voice</FriendlyName> </Item>
.... other items
</Items> </TracksBoardSession>
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For each item added to the file, the presence of the following set of attributes is mandatory
* Type
* Track
* OffsetMs
* StartPositionMs
* EndPositionMs
* Pathname (audio files only)
* one between SpeechPathname and SpeechString for "Text To Speech" elements
For details about the use of the TracksBoard refer to the How to use the TracksBoard to visually compose songs tutorial.
For further details about methods of the TracksBoard refer to the TracksBoard class section.
Syntax
[Visual Basic] Public Function Load ( strPathname as String ) as enumErrorCodes |
[C#] public enumErrorCodes Load ( string strPathname ); |
[C++] public: enumErrorCodes Load ( string strPathname ); |
Parameter |
Description |
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strPathname |
Absolute pathname of the file containing the session to load |
Return value
Value |
Meaning |
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Negative value |
An error occurred (see the LastError property for further error details) |
enumErrorCodes.NOERROR (0) |
The method call was successful. |
enumErrorCodes.WARN_SESSION_NOT_FULLY_LOADED |
Warning about the fact that, although the loading session was completed, one or more items available inside the session file could not be loaded and were discarded; this could happen when a pathname is wrong or when one of the mandatory attributes is missing |
