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| Element Categories: |
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| Decoder: |
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| Encoder: |
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| Converter: |
| A converter has one or more source pads and one or more sink pads. |
| Converter pads may have different caps templates. Converters are |
| expected |
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| Filter: |
| A filter has one source and one sink pad. These pads have the same |
| caps and (thus) the same caps template. |
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| Filters generally do not handle events. |
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| Filters may have interfaces. |
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| Filters are generally not autoplugged unless they have interfaces. |
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| Source: |
| A source has one source pad and no sink pads. |
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| Sources usually handle events. |
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| Sources may have interfaces. |
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| Sources are not autoplugged. |
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| Sink: |
| A sink has one sink pad and no source pads. |
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| Sources usually handle events. |
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| Sources may have interfaces. |
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| Sinks are not autoplugged. |
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| Converter/Colorspace |
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