nate aune managing multimedia content and podcasts with plone
DESCRIPTION
With the rise of podcasting and sharing multimedia content online, there is a growing need for tools that help content producers publish multimedia to their website. We will discuss the Plone4Artists suite of products which streamline the process of publishing audio, videos and images on your Plone site. After installing the Plone4Artists add-ons, Plone will be able to extract the metadata from uploaded audio, video and image files, make this metadata editable and searchable and playback the audio/video files in the browser. Using RSS syndication, you can also make collections of this multimedia content available to your users as a podcast/vodcast/photocast feed. We will also discuss some of the challenges of handling large files in Plone, including tools to improve the uploading process and how to store large files outside of the ZODB and instead on the file system.TRANSCRIPT
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Multimedia and Podcasting with Plone
Plone Conference 2007Naples, Italy
Nate Aunewww.jazkarta.com
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What is podcasting?
• Simplified distribution
• audio/video files as enclosures in an RSS/Atom feed
• Subscribe once and forget about it
• On-demand
• Users can listen/watch your multimedia content on their device of choice
• Don’t need to visit your website
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
What is Plone’s answer?
• Plone out-of-the-box
• File content type (no metadata, no play)
• Syndication is only RSS 1.0 (need RSS 2.0)
• PloneMultimedia suite of add-on products
• ATAudio, ATVideo, ATPhoto
• qRSS2Syndication for podcasting
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What is Plone4Artists?
• Grassroots project to build an out-of-the-box portal solution for artist communities
• Built on top of the core Plone product
• Leverages Zope 3 component architecture
• Doesn’t introduce new content types
• Easy to extend to support new media types
• Easy to install and pre-configured
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Features• Drag-n-drop addition of content (WebDAV)
• Extraction of audio/video metadata (ID3)
• Playback of audio and video in browser (Flash player)
• Podcasting and vodcasting (RSS 2.0)
• Calendaring (import/export of iCal)
• Assigning Creative Commons licenses
• Improved uploading using Flash, Java applet, Tramline
• Community features: tagging, rating, commenting
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Plone4Artists Core Components
• Plone4ArtistsSite
• Plone4ArtistsAudio (upload mp3 or ogg)
• Plone4ArtistsVideo (upload video or embed)
• Plone4ArtistsCalendar (month & listing view)
SVN at http://plone4artists.org/svn/projects6
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Plone4ArtistsAdditional components• Plone4ArtistsNewsletter (by Malthe Borch)
• PloneFlashUpload (bulk uploads in browser)
• ContentLicensing (assign licenses to content)
Not released
• ContentRating (rate any piece of content)
• ContentTagging (tag any piece of content)
• Plone4ArtistsPodcast (embed audio in blog)
• Plone4ArtistsRevverVideo (by Alec Mitchell)
• Plone4ArtistsSubtyper (subtype any content)
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
A natural evolution
• CMFAudio (CMF-based)
• ATAudio (Archetypes-based)
• Plone4ArtistsAudio (Zope 3)
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Why Zope 3?
• Usability - user uploads File and system figures out how to handle it. Easier with Z3
• Pluggability - easily extend to support other formats besides MP3 and Ogg
• Reusability - abstracting the code into Zope 3 components means it is easier to reuse
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
No more new content types
• ATAudio
• ATVideo
• ATPhoto
Old approach New approach
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
No more new content types
• ATAudio
• ATVideo
• ATPhoto
Old approach New approach
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
No more new content types
• ATAudio
• ATVideo
• ATPhoto
• ATFile
• Plone4ArtistsAudio
• Plone4ArtistsVideo
• ATImage
• Plone4ArtistsImage
• ATLink
• Plone4ArtistsLink
Old approach New approach
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Pure Zope 3components
with Plone
wrappers
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Example sites
• talk.bmc.com - blogs and podcasts
• engagemedia.org - social justice videos
• thedailyreel.com - online guide to videos
• bilive.it - online community for musicians
• phonogen.com - mp3s for artists
• plone.tv - aggregated audio/video/screencasts
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talk.bmc.com
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engagemedia.org
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TheDailyReel.com
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bilive.it
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
ID3 Metadata in iTunes
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Add a normal File
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Add new file form
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Audio view page
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Demo tool icons
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Edit audio
• ID3 metadata is auto-extracted
• Modified metadata is written back to the file
• Cover art image field
• Genre vocabulary
• Comment field
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Add blob file
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Normal file listing
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Activate audio container
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
View is now track listing
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Add via WebDAV
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Connect to server
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Mounted Plone folder
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Drag-n-drop copy to Plone
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Track listing after upload
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Uploading video
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Embedding video
1. 2.
3.
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Multimedia and Podcasting with Plone (10/27/06) www.jazkarta.com 866.864.4918
Podcasting
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Podcast feed
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Subscribe to podcast
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Smart Folders
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Activate media container
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Smart Folder as podcast
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
RSS 2.0 Syndication
• Using basesyndication (Zope 3 adaptors)
• also used to provide RSS feeds for Quills
• Support iTunes metadata
• targeted for Plone4ArtistsAudio 1.0 final
• Syndication of other media files
• Vodcasting (videos), Photocasting (photos)
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Multimedia and Podcasting with Plone (10/27/06) www.jazkarta.com 866.864.4918
Challenges of large filesUploading and Storing
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Pain points
• Uploading large files is tedious
• ZODB is currently not designed to store large files
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Making upload less tedious
• WebDAV/FTP
• gives you progress bar but it can be buggy
• PloneJUpload - java applet
• not all browsers have Java support
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PloneJUpload
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Preferred upload solutions
• ZipFileTransport
• upload a Zip file and it’s extracted on the server
• PloneFlashUpload
• upload multiple files using Flash widget in browser
• Tramline
• bypass Zope and use Apache
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PloneFlashUpload
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Easy install
• Automated install using buildout:
• Downloads and installs:
• Zope, Plone, PIL, add-on products
• Creates Plone instance
• Quickinstalls Plone4Artists products
• Applies GenericSetup profile (TODO)
• Imports sample content using gsxml (TODO)
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Buildout makes it easyCheck out the buildout, bootstrap and run buildout
$ svn co http://plone4artists.org/svn/projects/p4a.buildout
$ cd p4a.buildout
$ python bootstrap.py
$ bin/buildout -v (go get a coffee)
Start the instance
$ bin/instance fg
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Community feedback
• Commenting
• easycommenting, zc.comment
• Ratings
• lovely.rating, contentratings, RatingsEngine
• Tagging
• lovely.tag, tagger, topicwidget
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Demoplone.tv
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Multimedia and Podcasting with Plone (10/27/06) www.jazkarta.com 866.864.4918
What’s nextplone4artists.org/products/plone4artistssite/roadmap
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More info• Product pages:
• plone4artists.org/products
• SVN repository:
• plone4artists.org/svn/projects
• Mailing list:
• groups.google.com/group/p4a-user
• IRC:
• #plone4artists on irc.freenode.net
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Plone4ArtistsBoF & sprint
• BoF:
• when: TODAY! @ 5:15pm
• Sprint
• when: October 13-15, 2007
• where: Naples, Italy
• http://openplans.org/projects/plone4artists-sprint
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Idea: Plone4ArtistsLink
• Existing new content types
• ATGoogleVideo
• ATOdeoAudio
• ATYouTubeVideo?
• Activate remote media on an ATLink
• Identifies remote service (Google, Odeo, YouTube)
• Applies an appropriate view (Flash player)
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Why store media on FS?
• Avoid ZODB bloat
• Expose to 3rd party streaming software
• Easier to backup or move to another system
• Transcode video files
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Alternative storage layers
• FileField(‘mediafile’, storage=...)
• ExternalStorage
• used on plone.org’s PloneSoftwareCenter
• FileSystemStorage
• used by Andreas Jung for large media project
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www.jazkarta.com 866.864.4918Multimedia and Podcasting with Plone (10/27/06)
Alternative file field• BlobFile
• dependent on blob
• ATTramline
• dependent on Tramline
• AttachmentField
• new version has FlexStorage
• PLIP #154 - Large File Handling
• http://plone.org/products/plone/roadmap/154
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Preferred solutions
• ZODB with blob support
• Now working on Zope 2.9 / 2.10 / 2.11
• Use with ATBlobField from Enfold Systems
• Amazon S3
• scalable storage solution
• pay for what you use
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