Package org.opencastproject.silencedetection.ffmpeg

Class FFmpegSilenceDetector

java.lang.Object

org.opencastproject.silencedetection.ffmpeg.FFmpegSilenceDetector

public class FFmpegSilenceDetector
extends Object

Find silent sequences in audio stream using Gstreamer.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FFMPEG_BINARY_CONFIG
static final String	FFMPEG_BINARY_DEFAULT

Constructor Summary

Constructors

Constructor	Description
FFmpegSilenceDetector(Properties properties, org.opencastproject.mediapackage.Track track, org.opencastproject.workspace.api.Workspace workspace)	Create nonsilent sequences detection pipeline.

Method Summary

Modifier and Type	Method	Description
org.opencastproject.silencedetection.api.MediaSegments	getMediaSegments()	Returns found media segments.
static void	init(org.osgi.framework.BundleContext bundleContext)	Update FFMPEG binary path if set in configuration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FFMPEG_BINARY_CONFIG

public static final String FFMPEG_BINARY_CONFIG

See Also:

• Constant Field Values

FFMPEG_BINARY_DEFAULT

public static final String FFMPEG_BINARY_DEFAULT

See Also:

• Constant Field Values

Constructor Details

FFmpegSilenceDetector

public FFmpegSilenceDetector(Properties properties,
 org.opencastproject.mediapackage.Track track,
 org.opencastproject.workspace.api.Workspace workspace)
                      throws org.opencastproject.silencedetection.api.SilenceDetectionFailedException,
org.opencastproject.mediapackage.MediaPackageException,
IOException

Create nonsilent sequences detection pipeline. Parse audio stream and store all positions, where the volume level fall under the threshold.

Parameters:

properties -

track - source track

Throws:

org.opencastproject.silencedetection.api.SilenceDetectionFailedException

org.opencastproject.mediapackage.MediaPackageException

IOException

Method Details

init

public static void init(org.osgi.framework.BundleContext bundleContext)

Update FFMPEG binary path if set in configuration.

Parameters:

bundleContext -

getMediaSegments

public org.opencastproject.silencedetection.api.MediaSegments getMediaSegments()

Returns found media segments.

Returns:

nonsilent media segments