Package org.opencastproject.mediapackage

Class AdaptivePlaylist.HLSMediaPackageCheck

java.lang.Object

org.opencastproject.mediapackage.AdaptivePlaylist.HLSMediaPackageCheck

Enclosing interface:

AdaptivePlaylist

public static class AdaptivePlaylist.HLSMediaPackageCheck
extends Object

Fix HLS playlists/media already in the workspace as the result of an ingest This builds the hierarchies of a HLS playlist with masters as the roots. This is useful if mixed files are ingested into a mediapackage. HLS files with relative links will fail in an inspection unless the relative paths are fixed. Logical names should be preserved if they exists.

Constructor Summary

Constructors

Constructor	Description
HLSMediaPackageCheck(List<Track> tracks, Function<URI,File> getFileFromURI)	Builds a map of files in the mediapackage so that it can be analyzed and fixed if needed

Method Summary

Modifier and Type	Method	Description
boolean	needsRewriting()
List<Track>	rewriteHLS(MediaPackage mp, BiFunction<File,Track,Track> replaceTrackFileInWS, Function<Track,Void> removeFromWS)	Rewrite the playlist file from master on down, this has to be done in multiple steps because the act of putting a file into a collection changes the path and new path is not known in advance.

Methods inherited from class java.lang.Object

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

Constructor Details

HLSMediaPackageCheck

public HLSMediaPackageCheck(List<Track> tracks,
 Function<URI,File> getFileFromURI)
                     throws IOException,
MediaPackageException,
URISyntaxException

Builds a map of files in the mediapackage so that it can be analyzed and fixed if needed

Parameters:

tracks - - list of tracks from a media package

getFileFromURI - - a function to get files from the media package by URI

Throws:

IOException - if can't read file

URISyntaxException - if bad URI

MediaPackageException - - if mediapackage is incomplete and missing segments

Method Details

needsRewriting

public boolean needsRewriting()

rewriteHLS

public List<Track> rewriteHLS(MediaPackage mp,
 BiFunction<File,Track,Track> replaceTrackFileInWS,
 Function<Track,Void> removeFromWS)
                       throws MediaPackageException

Rewrite the playlist file from master on down, this has to be done in multiple steps because the act of putting a file into a collection changes the path and new path is not known in advance. The two functions are passed in to this function to manage the tracks in its storage

Parameters:

mp - to be rewrittem

replaceTrackFileInWS - A function that creates a new track with the file using the metadata in the track, returning a new track in the media package.

removeFromWS - A function that removes() the track from the media package in the workspace

Returns:

old tracks that are removed from the media package

Throws:

MediaPackageException - if bad mp