Package org.silverpeas.core.io.media.video.ffmpeg

Class FFmpegUtil

java.lang.Object

org.silverpeas.core.util.exec.ExternalExecution

org.silverpeas.core.io.media.video.ffmpeg.FFmpegUtil

public class FFmpegUtil
extends ExternalExecution

This class wrapp FFmpeg command line execution.

 ffmpeg -ss $i*$interval -i /path/to/video.mov -vframes 1 -filter:v scale="600:-1" /path/to/thumbnail_$i.jpg
 

Author:

ebonnet

Nested Class Summary

Nested classes/interfaces inherited from class org.silverpeas.core.util.exec.ExternalExecution

ExternalExecution.Config

Constructor Summary

Constructors

Constructor	Description
FFmpegUtil()

Method Summary

Modifier and Type	Method	Description
static List<String>	extractVideoThumbnail(File videoFile, File outputFile, double position)	Extracts a frame of the specified video at the given position and stores the obtained image into the specified output file.
static boolean	isActivated()

Methods inherited from class org.silverpeas.core.util.exec.ExternalExecution

exec, exec

Methods inherited from class java.lang.Object

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

Constructor Detail

FFmpegUtil

public FFmpegUtil()

Method Detail

isActivated

public static boolean isActivated()

extractVideoThumbnail

public static List<String> extractVideoThumbnail(File videoFile,
                                                 File outputFile,
                                                 double position)

Extracts a frame of the specified video at the given position and stores the obtained image into the specified output file. The type of the image is get from the output file extension.

Parameters:

videoFile - the file containing the video.

outputFile - the file into which will be registered the extracted thumbnail.

position - the position of the frame in the video from which a thumbnail will be extracted. Note that in most formats it is not possible to seek exactly, so the extraction will seek to the closest seek point before the given position.

Returns:

a List of console lines written by the image extraction command.