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docs/design/part-states.txt: minor corrections

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Reynaldo H. Verdejo Pinochet 2015-05-01 20:37:18 -03:00
parent 937ad1615a
commit e394e62578
1 changed files with 4 additions and 4 deletions
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8
docs/design/part-states.txt
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@ -17,7 +17,7 @@ State definitions
- PAUSED: The element should be ready to accept and process data. Sink - PAUSED: The element should be ready to accept and process data. Sink
elements however only accept one buffer and then block. elements however only accept one buffer and then block.
- PLAYING: The same as PAUSED except for live sources and sinks. Sinks accept - PLAYING: The same as PAUSED except for live sources and sinks. Sinks accept
and rendering data. Live sources produce data. and render data. Live sources produce data.
We call the sequence NULL->PLAYING an upwards state change and PLAYING->NULL We call the sequence NULL->PLAYING an upwards state change and PLAYING->NULL
a downwards state change. a downwards state change.
@ -30,7 +30,7 @@ the following state changes are possible:
NULL -> READY NULL -> READY
- The element must check if the resources it needs are available. - The element must check if the resources it needs are available.
Device sinks and -sources typically try to probe the device to constrain Device sinks and sources typically try to probe the device to constrain
their caps. their caps.
- The element opens the device, this is needed if the previous step requires - The element opens the device, this is needed if the previous step requires
the device to be opened. the device to be opened.
@ -162,7 +162,7 @@ function returns a GstElementStateReturn.
the pending state value. The function returns GST_STATE_NO_PREROLL. the pending state value. The function returns GST_STATE_NO_PREROLL.
- If the element returned FAILURE to the previous _set_state() call, this - If the element returned FAILURE to the previous _set_state() call, this
funciton will return FAILURE with the state set to the current state of function will return FAILURE with the state set to the current state of
the element and the pending state set to the value used in the last call the element and the pending state set to the value used in the last call
of _set_state(). of _set_state().
@ -298,7 +298,7 @@ Bin:
Locking overview (element) Locking overview (element)
~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~
* Element commiting SUCCESS * Element committing SUCCESS
- STATE_LOCK is taken in set_state - STATE_LOCK is taken in set_state
- change state is called if SUCCESS, commit state is called - change state is called if SUCCESS, commit state is called