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design: improve stream-status document

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Wim Taymans 2012-10-09 15:57:29 +02:00
parent f688d4d8a7
commit f7fc8b7643
1 changed files with 5 additions and 6 deletions
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11
docs/design/part-stream-status.txt
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@ -12,7 +12,7 @@ the threadpool to use.
We accommodate for the following requirements: We accommodate for the following requirements:
- Application is informed when a streaming thread is about to be created. It - Application is informed when a streaming thread is about to be created. It
should be possible for the application to suggest a custom GstTask. should be possible for the application to suggest a custom GstTaskPool.
- Application is informed when the status of a streaming thread is changed. - Application is informed when the status of a streaming thread is changed.
This can be interesting for GUI application that want to visualize the status This can be interesting for GUI application that want to visualize the status
of the streaming threads (playing/paused/stopped) of the streaming threads (playing/paused/stopped)
@ -42,9 +42,9 @@ Use cases
- The application will usually react to the STREAM_STATUS messages with a sync - The application will usually react to the STREAM_STATUS messages with a sync
bus handler. bus handler.
- The application can create and configure a custom GstTask to manage the - The application can configure the GstTask with a custom GstTaskPool to
streaming thread or it can ignore the message which will make the element manage the streaming thread or it can ignore the message which will make
use its default GstTask. the element use its default GstTaskPool.
- The application can react to the ENTER/LEAVE stream status message to - The application can react to the ENTER/LEAVE stream status message to
configure the thread right before it is started/stopped. This can be used to configure the thread right before it is started/stopped. This can be used to
@ -86,8 +86,7 @@ Messages
application and configure the thread appropriatly. application and configure the thread appropriatly.
- "object", G_TYPE, GstTask/GThread - "object", G_TYPE, GstTask/GThread
A GstTask/GThread controlling this streaming thread. This can be NULL when A GstTask/GThread controlling this streaming thread.
the object controlling the streaming thread is not yet created.
- "flow-return", GstFlowReturn - "flow-return", GstFlowReturn
A status code for why the thread state changed. when threads are created A status code for why the thread state changed. when threads are created