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docs/design/draft-klass.txt: We use Filter now.

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Original commit message from CVS:
* docs/design/draft-klass.txt:
We use Filter now.
Added Connector to mark elements that are only used to
allow pipeline connections.
Moved Debug to extra feature since most of them are
functionally something else.
This commit is contained in:
Wim Taymans 2006-02-28 17:24:10 +00:00
parent 9857a3cea2
commit 2ce6ef3edd
2 changed files with 18 additions and 7 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2006-02-28 Wim Taymans <wim@fluendo.com>
* docs/design/draft-klass.txt:
We use Filter now.
Added Connector to mark elements that are only used to
allow pipeline connections.
Moved Debug to extra feature since most of them are
functionally something else.
2006-02-28 Wim Taymans <wim@fluendo.com> 2006-02-28 Wim Taymans <wim@fluendo.com>
* docs/design/draft-klass.txt: * docs/design/draft-klass.txt:

16
docs/design/draft-klass.txt
View file

@ -45,7 +45,7 @@ Proposal:
* Source : produces data * Source : produces data
* Sink : consumes data * Sink : consumes data
* Filter : transforms data, no modification on the data is * Filter : filters/transforms data, no modification on the data is
intended (although it might be unavoidable). The intended (although it might be unavoidable). The
filter can decide on input and output caps independently filter can decide on input and output caps independently
of the stream contents (GstBaseTransform). of the stream contents (GstBaseTransform).
@ -69,10 +69,10 @@ Proposal:
typically works on raw types only. The source media type typically works on raw types only. The source media type
is listed first. is listed first.
* Analyzer : reports about the stream contents. * Analyzer : reports about the stream contents.
* Debug : tee, identity, fakesrc, navseek, ...
* Control : controls some aspect of a hardware device * Control : controls some aspect of a hardware device
* Extracter : extracts tags/headers from a stream * Extracter : extracts tags/headers from a stream
* Formatter : adds tags/headers to a stream * Formatter : adds tags/headers to a stream
* Connector : allows for new connections in the pipeline. (tee, ...)
* ... * ...
- Based on media type - Based on media type
@ -100,6 +100,7 @@ Proposal:
* Device : operates on some hardware device (disk, network, * Device : operates on some hardware device (disk, network,
audio card, video card, usb, ...) audio card, video card, usb, ...)
* Visualisation : intended to be used for audio visualisation * Visualisation : intended to be used for audio visualisation
* Debug : intended usage is more for debugging purposes.
3) suggested order: 3) suggested order:
@ -117,7 +118,7 @@ Proposal:
id3demux : Extracter/Metadata id3demux : Extracter/Metadata
udpsrc : Source/Network/Protocol/Device udpsrc : Source/Network/Protocol/Device
videomixer : Mixer/Video videomixer : Mixer/Video
ffmpegcolorspace : Transform/Video (intended use to convert video with as little ffmpegcolorspace : Filter/Video (intended use to convert video with as little
visible change as possible) visible change as possible)
vertigotv : Effect/Video (intended use is to change the video) vertigotv : Effect/Video (intended use is to change the video)
volume : Effect/Audio (intended use is to change the audio data) volume : Effect/Audio (intended use is to change the audio data)
@ -127,12 +128,13 @@ Proposal:
adder : Mixer/Audio adder : Mixer/Audio
videobox : Effect/Video videobox : Effect/Video
alsamixer : Control/Audio/Device alsamixer : Control/Audio/Device
audioconvert : Transform/Audio audioconvert : Filter/Audio
audioresample : Transform/Audio audioresample : Filter/Audio
xvimagesink : Sink/Video/Device xvimagesink : Sink/Video/Device
navseek : Debug navseek : Filter/Debug
decodebin : Decoder/Demuxer decodebin : Decoder/Demuxer
level : Transform/Analyzer/Audio level : Filter/Analyzer/Audio
tee : Connector/Debug
Use cases: Use cases: