Remove text version of headings for fwg. This is now contained in the
Original commit message from CVS: Remove text version of headings for fwg. This is now contained in the SGML
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GStreamer Filter Writer's Guide
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===============================
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Outline:
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Basic concepts
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Chain vs loop elements
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Scheduling
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Buffers
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Typing and Properties
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Metadata
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Building our first filter
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Constructing the boilerplate
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Doing it the easy way with FilterFactory
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(NOTE: FilterFactory doesn't exist yet)
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Doing it the hard way with G[tk]Object
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An identity filter
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Building an object with pads
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Attaching functions
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The chain function
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The plugin_init function
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Registering the types
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Registering the filter
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Building a simple test application
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Initialization
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Instantiating the plugins
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(NOTE: we really should have a debugging Sink)
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Connecting them
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Running the pipeline
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Loop-based Elements
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How scheduling works, aka pushing and pulling
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How a loopfunc works, aka pulling and pushing
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Adding a second output
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Identity is now a tee
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Modifying the test application
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Types and Properties
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Building a simple format for testing
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A simple MIME type
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Type properties
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Typefind functions and autopluggin
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Buffers and Metadata
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Anatomy of a Buffer
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Refcounts and mutability
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Metadata
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How Properties work efficiently
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Metadata mutability
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(FIXME: this is an unsolved problem)
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Sources and Sinks
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Writing a source
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Pull vs loop based
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Region pulling
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(NOTE: somewhere explain how filters use this)
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Writing a sink
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Gee, that was easy
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State management
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What are states?
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Mangaging filter state
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