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application-development: interfaces: improve formatting

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Reynaldo H. Verdejo Pinochet 2017-09-07 15:42:02 -07:00
parent b71e9787b7
commit 88bd4e58ad
1 changed files with 12 additions and 8 deletions
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markdown/application-development/advanced/interfaces.md
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@ -28,11 +28,15 @@ particular element implementation details, such as element names for
particular network source types and so on. Therefore, there is a URI particular network source types and so on. Therefore, there is a URI
interface, which can be used to get the source element that supports a interface, which can be used to get the source element that supports a
particular URI type. There is no strict rule for URI naming, but in particular URI type. There is no strict rule for URI naming, but in
general we follow naming conventions that others use, too. For example, general we follow naming conventions that others use too. For example,
assuming you have the correct plugins installed, GStreamer supports assuming you have the correct plugins installed, GStreamer supports:
“file:///\<path\>/\<file\>”, “http://\<host\>/\<path\>/\<file\>”,
“mms://\<host\>/\<path\>/\<file\>”, and so on.
```
file:///<path>/<file>
http://<host>/<path>/<file>
mms://<host>/<path>/<file>
...
```
In order to get the source or sink element supporting a particular URI, In order to get the source or sink element supporting a particular URI,
use `gst_element_make_from_uri ()`, with the URI type being either use `gst_element_make_from_uri ()`, with the URI type being either
`GST_URI_SRC` for a source element, or `GST_URI_SINK` for a sink `GST_URI_SRC` for a source element, or `GST_URI_SINK` for a sink
@ -55,10 +59,10 @@ xvimagesink and the Video4linux2 elements.
The Video Overlay interface was created to solve the problem of The Video Overlay interface was created to solve the problem of
embedding video streams in an application window. The application embedding video streams in an application window. The application
provides an window handle to the element implementing this interface to provides a window handle to an element implementing this interface,
draw on, and the element will then use this window handle to draw on and the element will then use this window handle to draw on
rather than creating a new toplevel window. This is useful to embed rather than creating a new toplevel window. This is useful to embed
video in video players. video in video players.
This interface is implemented by, amongst others, the Video4linux2 This interface is implemented by, amongst others, the `Video4linux2`
elements and by ximagesink, xvimagesink and sdlvideosink. elements and by `ximagesink`, `xvimagesink` and `sdlvideosink`.