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Analysis

Overview

Audio content connects an audio resource to a frame

• Audio content is a content of a frame representing audio.
• Audio resources are resources for audio.
• Audio resources have the same information as any other resources plus specific information about the audio they are representing.
• Audio content is responsible for returning the visual representation of the audio
• There should be drag and drop support, so audio can be dropped onto a frame and a audio content is created automatically from them. Audio are scaled if they are bigger than the frame they are dropped onto.
• There should be support for creating a frame with audio content by choosing an audio file.
• Audio resources should support clipping (in point, out point), rate and volume

Task requirements

• Define basic audio content.
• Define basic audio resource.
• Define how content work with frames to find a renderer (is this a scene?)

Task result

The result of this task should be source code.

Implementation idea

• Create class !IAudioContent which is concrete implementation of org.sophie2.base.model.book.FrameContent for audio.
• AudioContent should override mainResource() and return Prop<AudioResource>.
• Create class AudioResource which is concrete implementation of org.sophie2.base.model.book.resource.BookResource for audio resources.
• AudioResource should have methods:
  • inPoint
  • outPoint
  • startPoint (0)
  • endPoint (same as duration)
  • rate
  • volume
  • duration

• Audio
  • Audio can be played without a frame presence (some script)
  • Audio can be represented by an image
  • Audio can have a controller
  • Determine if any of this should be part of the content, or kept elsewhere, ie does the content have any say in how the resource is represented on screen?
  • If yes, maybe contents should have extension points that keep the list of renderers for this content (and similar for audio and video, ie any content)

Related

• UNPLANNED_BASE_MODEL_FRAME_CONTENT_R0
  
• BASE_RESOURCE_COMMONS_R0
• IMAGE_CONTENT_R0
• VIDEO_CONTENT_R0

How to demo

• Create a frame with audio resource.
• Check if the resource is set correctly and check if the information about the resource is correct.
• Try changing the resource and check again the same things.

Design

Implementation

^{(Implementation results should be described and linked here (from the wiki or the repository))}

Testing

Comments

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