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audio/video: update documentation for vfunc's that require chaining up

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Andoni Morales Alastruey 2012-10-08 12:43:03 +02:00 committed by Sebastian Dröge
parent d9279b1304
commit 8a5cf5ef4d
4 changed files with 32 additions and 0 deletions
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6
gst-libs/gst/audio/gstaudiodecoder.h
View file

@ -215,12 +215,18 @@ struct _GstAudioDecoder
* Allows closing external resources.
* @negotiate: Optional.
* Negotiate with downstream and configure buffer pools, etc.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @decide_allocation: Optional.
* Setup the allocation parameters for allocating output
* buffers. The passed in query contains the result of the
* downstream allocation query.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @propose_allocation: Optional.
* Propose buffer allocation parameters for upstream elements.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
*
* Subclasses can override any of the available virtual methods or not, as
* needed. At minimum @handle_frame (and likely @set_format) needs to be

6
gst-libs/gst/audio/gstaudioencoder.h
View file

@ -159,12 +159,18 @@ struct _GstAudioEncoder {
* Allows closing external resources.
* @negotiate: Optional.
* Negotiate with downstream and configure buffer pools, etc.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @decide_allocation: Optional.
* Setup the allocation parameters for allocating output
* buffers. The passed in query contains the result of the
* downstream allocation query.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @propose_allocation: Optional.
* Propose buffer allocation parameters for upstream elements.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
*
* Subclasses can override any of the available virtual methods or not, as
* needed. At minimum @set_format and @handle_frame needs to be overridden.

10
gst-libs/gst/video/gstvideodecoder.h
View file

@ -219,18 +219,28 @@ struct _GstVideoDecoder
* Event handler on the sink pad. This function should return
* TRUE if the event was handled and should be discarded
* (i.e. not unref'ed).
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @src_event: Optional.
* Event handler on the source pad. This function should return
* TRUE if the event was handled and should be discarded
* (i.e. not unref'ed).
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @negotiate: Optional.
* Negotiate with downstream and configure buffer pools, etc.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @decide_allocation: Optional.
* Setup the allocation parameters for allocating output
* buffers. The passed in query contains the result of the
* downstream allocation query.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @propose_allocation: Optional.
* Propose buffer allocation parameters for upstream elements.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
*
* Subclasses can override any of the available virtual methods or not, as
* needed. At minimum @handle_frame needs to be overridden, and @set_format

10
gst-libs/gst/video/gstvideoencoder.h
View file

@ -188,18 +188,28 @@ struct _GstVideoEncoder
* Event handler on the sink pad. This function should return
* TRUE if the event was handled and should be discarded
* (i.e. not unref'ed).
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @src_event: Optional.
* Event handler on the source pad. This function should return
* TRUE if the event was handled and should be discarded
* (i.e. not unref'ed).
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @negotiate: Optional.
* Negotiate with downstream and configure buffer pools, etc.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @decide_allocation: Optional.
* Setup the allocation parameters for allocating output
* buffers. The passed in query contains the result of the
* downstream allocation query.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
* @propose_allocation: Optional.
* Propose buffer allocation parameters for upstream elements.
* Subclasses should chain up to the parent implementation to
* invoke the default handler.
*
* Subclasses can override any of the available virtual methods or not, as
* needed. At minimum @handle_frame needs to be overridden, and @set_format