Class MetadataExtractor

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Definition

Namespace:
Tizen.Multimedia
Assembly:
Tizen.Multimedia.Metadata.dll

Provides a means to get the metadata from a media file.


                
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public class MetadataExtractor : IDisposable
Inheritance
object
MetadataExtractor
Implements
System.IDisposable

Constructors

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MetadataExtractor(byte[])

Initializes a new instance of the MetadataExtractor class with the specified buffer.

Declaration

                
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public MetadataExtractor(byte[] buffer)
Parameters
Type Name Description
byte[] buffer

The buffer to extract the metadata.
Exceptions
Type Condition
System.ArgumentNullException

buffer is null.
System.ArgumentException

The length of buffer is zero.
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MetadataExtractor(string)

Initializes a new instance of the MetadataExtractor class with the specified path.

Declaration

                
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public MetadataExtractor(string path)
Parameters
Type Name Description
string path

The path for the file to extract the metadata.
Exceptions
Type Condition
System.ArgumentNullException

path is null.
System.IO.FileNotFoundException

path does not exist.

Methods

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Dispose()

Releases all resources used by the MetadataExtractor object.

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public void Dispose()
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Dispose(bool)

Releases the resources used by the MetadataExtractor object.

Declaration

                
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protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
bool disposing

true to release both managed and unmanaged resources; false to release only unmanaged resources.
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~MetadataExtractor()

Finalizes an instance of the MetadataExtractor class.

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protected ~MetadataExtractor()
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GetArtwork()

Gets the artwork image in the source.

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public Artwork GetArtwork()
Returns
Type Description
Artwork

The Artwork if it exists, otherwise null.
Exceptions
Type Condition
System.InvalidOperationException

An internal process error occurs.
System.ObjectDisposedException

The MetadataExtractor has been already disposed of.
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GetFrameAt(uint, bool)

Gets the frame of a video media.

Declaration

                
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public byte[] GetFrameAt(uint timeStamp, bool accurate)
Parameters
Type Name Description
uint timeStamp

The timestamp in milliseconds.
bool accurate

true to get an accurate frame for the given timestamp, otherwise false to get the nearest i-frame of the video rapidly.
Returns
Type Description
byte[]

The raw frame data in RGB888 if a frame at specified time exists, otherwise null.
Exceptions
Type Condition
System.InvalidOperationException

An internal error occurs.
System.ObjectDisposedException

The MetadataExtractor has been already disposed of.
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GetMetadata()

Retrieves the Metadata.

Declaration

                
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public Metadata GetMetadata()
Returns
Type Description
Metadata

The Metadata for the given source.
Exceptions
Type Condition
System.InvalidOperationException

An internal process error occurs.
System.ObjectDisposedException

The MetadataExtractor has been already disposed of.
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GetSyncLyrics(int)

Gets the sync lyrics of the source.

Declaration

                
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public SyncLyrics GetSyncLyrics(int index)
Parameters
Type Name Description
int index

The index of lyrics to retrieve.
Returns
Type Description
SyncLyrics

The SyncLyrics object if index is valid, otherwise null.
Exceptions
Type Condition
System.InvalidOperationException

An internal process error occurs.
System.ObjectDisposedException

The MetadataExtractor has been already disposed of.
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GetVideoThumbnail()

Gets the frame of a video media.

Declaration

                
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public byte[] GetVideoThumbnail()
Returns
Type Description
byte[]

The raw thumbnail data in RGB888 if it exists, otherwise null.
Exceptions
Type Condition
System.InvalidOperationException

An internal process error occurs.
System.ObjectDisposedException

The MetadataExtractor has been already disposed of.

Implements

System.IDisposable