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docs: Gram and nit fixes for part-context.txt

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Reynaldo H. Verdejo Pinochet 2013-10-14 18:24:18 -07:00
parent 11503e4b3f
commit e6dda14148
1 changed files with 7 additions and 8 deletions
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15
docs/design/part-context.txt
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@ -15,7 +15,7 @@ queries, messages and functions to set a context on a complete pipeline.
Context types Context types
~~~~~~~~~~~~~ ~~~~~~~~~~~~~
Context type names should be unique and be put in appropiate namespaces, Context type names should be unique and be put in appropiate namespaces,
e.g. "gst.egl.EGLDisplay", go prevent name conflicts. Only one specific to prevent name conflicts, e.g. "gst.egl.EGLDisplay". Only one specific
type is allowed per context type name. type is allowed per context type name.
@ -42,9 +42,9 @@ do the following steps until one succeeds:
on the bus. on the bus.
Bins will propagate any context that is set on them via Bins will propagate any context that is set on them to their child elements via
gst_element_set_context() to their child elements, including newly added gst_element_set_context(). Even to elements added after a given context has
elements after the context was set. been set.
Bins can handle the GST_MESSAGE_NEED_CONTEXT message, can filter both Bins can handle the GST_MESSAGE_NEED_CONTEXT message, can filter both
messages and can also set different contexts for different pipeline parts. messages and can also set different contexts for different pipeline parts.
@ -57,10 +57,9 @@ a pipeline with gst_element_set_context().
If an element inside the pipeline needs a specific context, it will post If an element inside the pipeline needs a specific context, it will post
a GST_MESSAGE_NEED_CONTEXT message on the bus. The application can now a GST_MESSAGE_NEED_CONTEXT message on the bus. The application can now
create a context of the requested type or pass an already existing create a context of the requested type or pass an already existing context
context to the element (or the complete pipeline). to the element (or to the complete pipeline).
Whenever an element creates a context internally it will post a Whenever an element creates a context internally it will post a
GST_MESSAGE_HAVE_CONTEXT message on the bus. Bins will cache these GST_MESSAGE_HAVE_CONTEXT message on the bus. Bins will cache these
contexts and pass them to any future elements that request them. contexts and pass them to any future elements that requests them.